Suspension guiding and supporting solenoid valve

The invention relates to a suspension guiding and supporting solenoid valve. The suspension guiding and supporting solenoid valve comprises a filler neck, a cylindrical valve spool, an outer shell, outer armatures, coil springs, a spring, a stop, an insulating layer, O-rings, coils, an inner armature, a shell and a valve seat. The valve spool is fixedly mounted in the filler neck, and provided with through holes communicated with a first cavity of the filler neck; the filler neck is mounted at one end of the outer shell through the shell; the stop is fixed at the other end of the outer shell; the inner and outer armatures, the valve seat, the coil springs and the coils are mounted in an inner cavity of the outer shell, the coil springs are clamped between the inner armature and the outer armatures, and the inner and outer armatures and the valve seat as a whole are suspended and supported in the outer shell through the coil springs; an inner cavity of the valve seat is communicated with ...

Antibiotic polyester staple fiber with high hygroscopicity and gas permeability

The utility model discloses an antibiotic polyester staple fiber with high hygroscopicity and gas permeability, be circular shape core fibre including the cross -section, a plurality of saw dentate bulging of core fibre outer wall circumference equipartition, core fibrillar center department are equipped with two waist - round hole orthogonal and crisscross setting, and a through -hole is respectively established to two crisscross four right angle benchs that form of waist - round hole, the laminating of through -hole inner wall is equipped with the cross -section and is the annular animal protein fibrous layer of circle, animal protein fibrous layer inner wall is equipped with the cross -section and is the annular vegetable fibre layer of circle, the animal protein fibrous layer comprises silkworm chrysalis albumen and natural fibre element, the vegetable fibre layer is fibrous by the bamboo. The utility model discloses fluffy degree well, elasticity is good, the comfort level is high, ...

Flexible photoelectric detector with adjustable energy band

A flexible photoelectric detector with an adjustable energy band comprises a bottom reflecting electrode layer, an N-type GAN layer, a P-type GAN layer, a single-layer two-dimensional GdClBr layer and a metal upper electrode layer which are sequentially arranged on a flexible insulating substrate, and the metal upper electrode layer is arranged on the edge of the P-type GAN layer. The GaN has wide band gap performance and can absorb an ultraviolet band, the single-layer two-dimensional GdClBr can detect light of an infrared band, the band gap of the single-layer two-dimensional GdClBr can be changed through bending, and the detection range of the infrared band is enlarged.

Oval trachinotus compound feed

The invention relates to feed, in particular to oval trachinotus compound feed, which is prepared from the following ingredients in mass percent: 12 to 18 percent of steam fish meal, 15 to 20 percent of fish meal made in China, 3 to 6 percent of fermented bean dregs, 18 to 25 percent of soya bean meal, 3 to 6 percent of peanut meal, 20 to 30 percent of strong flour, 1 to 2 percent of blood meal, 1 to 2 percent of soybean lecithin, 2 to 3 percent of ocean fish oil, 1 to 2 percent of calcium biphosphate, 1 to 2 percent of compound mineral substances and 1 to 2 percent of vitamin B complex. The oval trachinotus compound feed of the invention has the following advantages that: (1) the nutrition is balanced, the palatability is good, and the phagostimulant performance is strong; (2) the immunity is enhanced, and the stress-resistance effect can be obtained; (3) the fish body intestinal tracts can be protected, the occurrence of plant diseases can be prevented, and the culture survival rate is ...

Anti penetration looks fibre

The utility model discloses an anti penetration looks fibre, including inner core and outer core, the cross -section of inner core is circular, a plurality of outer flanges of inner core outer wall circumference equipartition, the cross -section of outer flange is convex, and outer flange one side is equipped with the recess, the cross -section of outer core is ring shape, and outer in -core wall is equipped with a plurality of and outer flange and corresponds the interior flange of complex, the cross -section of interior flange is convex, in the tip of interior flange stretches into the recess, and the opposite direction that buckles of interior flange and outer flange, it is equipped with curved arch to lie in on the outer in -core wall between two adjacent flanges. The utility model discloses an anti penetration looks fibre can effectively reduce the transmissivity of visible light, has better shrink nature simultaneously.

Antibacterial fiber

The utility model discloses an antibacterial fiber, which comprises a body, the cross -section of body is the pentagon, this external edge is equipped with and is five closed angles dispersing the form, the both sides of closed angle are the first cambered surface of indent, two first cambered surfaces of every closed angle are through the 2nd arc surface connection, through the transition of third cambered surface between the first cambered surface of two adjacent closed angles, it is the oval -shaped through -hole to be equipped with the cross -section in the closed angle, it is the antibiotic core of oval -shaped to be equipped with the cross -section in the through -hole, the elliptical section's of through -hole the major axis and the elliptical section's of antibiotic core major axis is perpendicular, body center department is equipped with the cross -section and is the circular shape centre bore, the elliptical section's of through -hole major axis tip passes through passageway intercommunication ...

Regeneration composite fiber

The utility model discloses a regeneration composite fiber, including the inner core that sets gradually from inside to outside, middle core and outer core, middle core is the bamboo fibre, the cross -section of middle core is the annular, a plurality of inner groovies of inner edge circumference equipartition of middle core, a plurality of outer recesses of outer fringe circumference equipartition of middle core, the cross -section of inner groovy and outer recess is isosceles trapezoid, upper base that inner groovy and outer recess all used isosceles trapezoid is the opening part, the inner core is the cotton fiber, the cross -section of inner core is circular, inner core outer fringe circumference equipartition is a plurality of outer protruding with inner groovy grafting complex, outer bellied cross -section is circular, outer bellied length of diameter is greater than the length of the upper base of inner groovy, outer core is the silk fibre, the cross -section of outer core is the ...

Air conditioner and pressure relief method thereof

The invention provides an air conditioner and a pressure relief method thereof. The air conditioner comprises a compressor, a condenser, a throttling device, an evaporator and a temperature controller, wherein the compressor is provided with an inlet and an outlet; an inlet of the condenser is connected with the outlet of the compressor; an inlet of the throttling device is connected with the outlet of the condenser; an inlet of the evaporator is connected with the outlet of the throttling device; an outlet of the evaporator is connected with the inlet of the compressor; and the temperature controller detects the temperature of the condenser and enables the compressor to change a running state when the detected temperature exceeds a preset range. The temperature of the condenser is detected by the temperature controller; and when the temperature of the condenser exceeds the preset range, the temperature controller enables the compressor to change the running state, thereby the safe running ...

Detachable antitheft nut sub -assembly and installation extracting tool thereof

The utility model discloses a detachable antitheft nut sub -assembly and installation extracting tool thereof belongs to antitheft nut and appurtenance technical field. Wherein the antitheft nut sub -assembly includes antitheft nut and protects the bowl, and wherein first one of antitheft nut be the rotary -table, and there are 3 at least zigzag ka tai this rotary -table surface lower part along the circumferencial direction equipartition, is lighter than the cylinder of rotary -table bottom surface diameter at the bottom of rotary -table fixedly connected with diameter, and the inside of rotary -table and cylinder is equipped with the internal thread that has a perfect understanding, protects bowl to overlap and locates on antitheft nut's the cylinder. The utility model also discloses an antitheft nut sub -assembly of another kind of structure and respectively with the supporting detachable antitheft nut sub -assembly installation extracting tool who uses of two kinds of antitheft nut ...

High moisture absorbable and breathable's antibiotic deodorization fibre

The utility model discloses a high moisture absorbable and breathable's antibiotic deodorization fibre, which comprises a body, the body is including being four first filaments dispersing form evenly distributed, the interior end connection of four first filaments becomes integrative, if the dry dentate bulging of outer tip of first filament, establish antibiotic layer between the dentate bulging, first cambered surface is established at first filament both sides middle part, the inner right angle seat that forms of first cambered surface of two adjacent first filaments, establish deodorization polyester fiber layer in the right angle seat, establish two the straight planes that can laminate on the right angle seat on the deodorization polyester fiber layer, two straight planes are through the 2nd arc surface connection, establish the second filament between two adjacent first filaments, second filament cross -section is lobate shaped, the laminating of the interior cambered surface of ...

Novel fibre of high strength

The utility model discloses a novel fibre of high strength, including two longitudinal symmetries and the crisscross first filament that sets up, the cross -section of first filament is the V -arrangement, two crisscross backs of first filament are at the middle part vacuole formation, the cavity cross -section is parallelogram, be equipped with the second filament in the cavity, the cross -section of second filament is the cross, four ends of second filament support the four corners of cavity respectively, two crisscross backs of first filament are domatic at a plurality of V -arrangements of periphery formation, the V -arrangement is equipped with the third filament in being domatic, third filament cross -section is the T font, the third filament is including the upper end and lower tip that link into an integrated entity, the tip supports the domatic bottom of V -arrangement down, the lower surface butt of upper end is in the domatic upper portion both sides of V -arrangement, the upper ...

Spindle elevating device of woodwork vertical spindle milling machine

The present invention relates to a spindle elevating device of a woodwork vertical spindle milling machine. The elevating device comprises a motor, a spindle, an inner elevating cylinder and a sleeve. The spindle is arranged in the inner elevating cylinder, and rises and falls with the inner elevating cylinder along the sleeve. One side of a support plate is fixedly connected with the motor, and the other side is connected with the inner elevating cylinder of the spindle. A threaded nut fixed on the support plate is connected with an elevating screw rod. A worm bracket is fixed on the sleeve, the elevating screw rod, a thrust bearing and a worm are connected with the worm bracket by flat keys and nuts, and a worm is engaged with a worm gear by the worm bracket. The worm, the worm gear and the elevating screw rod are driven to rotate by rotating a hand wheel. The support plate, the motor, the spindle and the elevating screw rod are driven by the threaded nut to simultaneously rise and fall ...

Block chain anonymous electronic voting method based on zk-SNARK

The invention belongs to the technical field of information security, and particularly relates to a block chain anonymous electronic voting method based on zk-SNARK. The purpose of the method is that a standard model under a standard hypothesis is proved to be safe, and existing voting characteristics such as qualification, privacy, anonymity, double voting, no receipt, stress resistance and the like are perfected and improved. Comprising the following steps: step 1, generating system parameters and a public and private key pair set corresponding to candidates according to an initialization algorithm of system operation; 2, a user registration stage; 3, when a voter needs to carry out pre-vote selection operation on the vote vector; 4, officially voting the candidates by the voters to generate encrypted voting ciphertexts and an aggregation result of the ciphertexts; and 5, obtaining the final number of votes of the candidates.

Application of sperm specific sncRNAs in prediction or evaluation of sperm DNA damage

The invention relates to the technical field of medical biological detection, and provides novel application of sperm specific sncRNAs, in particular to application of the sperm specific sncRNAs in preparation of a diagnostic reagent or a kit for predicting or evaluating sperm DNA (deoxyribonucleic acid) injury, and the sperm specific sncRNAs are selected from one or more of Gly-GCC-32-1, Gly-GCC-31-2, Gly-GCC-33-3, Gl-CTC-40-10, SeC-TCA-37-4, iMet-CAT-18-18 and hsa-miR-151a-5p. The invention further provides a kit for predicting or evaluating the DNA damage of the sperms by utilizing the quantitative detection of the specific sncRNAs of the sperms. The kit and the detection method disclosed by the invention are simple, convenient, reliable, short in period and high in specificity, and are beneficial to judging the change condition of the sperm quality in the treatment process and selecting the most favorable treatment scheme, so that corresponding personalized treatment and intervention ...

Grouper fry larval stage feed and preparing method thereof

The invention discloses grouper fry larval stage feed and a preparing method thereof. According to the grouper fry larval stage feed, feed raw materials which are easy to digest and absorb, high in utilization rate and strong in food calling are chosen according to growing and physiological digestion characteristics of grouper fry in larval breeding stage. Meanwhile, micronutrients of vitamin and mineral elements are reinforced, the metamorphosis development of the fry is prompted, the growing performance is improved, and disease resistance and stress resistance of the fry are improved. The grouper fry larval stage feed is reliable in raw material source, stable and safe in quality, convenient to feed and suitable for grouper fry cultivation in scale. In addition, the grouper fry larval stage feed overcomes the defects that natural feed is high in cost, prone to polluting water quality, unstable in quality and prone to bringing pathogeny of parasite, bacteria and virus.

Temperature humidity regulation and control system of transformer substation

Temperature humidity regulation and control system of transformer substation for temperature and humidity in the real -time detection transformer substation, the normal operating of circuit in the assurance transformer substation. Being equipped with air intake and air outlet on the transformer room, being equipped with the fan in air intake department, be equipped with in air outlet department and be located the carousel, the carousel rotates with the transformer room lateral wall to be connected, is equipped with the first through -hole, second through -hole, shutter and the third through -hole group that are located on the same circumference on the carousel, and the flow in the ventilation wind channel of constitution was different when first through -hole, second through -hole, shutter and third through -hole communicated with each other with the air outlet, be equipped with a plurality of temperature sensor and humidity transducer in the different positions of transformer room, the ...

Construction method for lossless penetration of large-diameter pipeline through pipe culvert

The invention relates to the technical field of pipe culvert construction, in particular to a construction method for a large-diameter pipeline to penetrate through a pipe culvert in a lossless mode, a stress section after the pipeline penetrates through the pipe culvert is simulated through the BIM technology, a fixing point where a support needs to be arranged is calculated, the fixing support is designed in advance according to the magnitude and direction of stress, and the support can fix the pipeline more reliably; the displacement of the pipeline due to large stress is avoided, the accurate calculation and control of the pipeline stress are realized, the use of brackets is reduced, and the construction cost and the construction time are reduced.

Antibiotic profile fiber

The utility model discloses an antibiotic profile fiber, including the body, the cross -section of body be circular, and body center department is equipped with the inner chamber, a plurality of recesses of evenly distributed on the outer circumference of body, and the recess be semi -circular, is equipped with the antibiotic core that corresponds with the recess on the outer circumference of body, and the cross -section of antibiotic core is the ellipse, centre bit in semicircular groove's the bottom of antibiotic core, an antibiotic core partially insert is originally internal, and another part is exposed in the recess, and the part that antibiotic core exposes in the recess is equipped with a plurality of through -holes, and the major axis of antibiotic core compares with the length of minor axis and is 2: 1-4: 1, being located the major axis extreme point of the antibiotic core of recess and the top extreme point of recess and being in same circumference, the major axis of antibiotic ...

A chlorinator for producing zirconium oxychloride

The utility model relates to a zirconium oxychloride apparatus for producing field, in particular to a chlorinator for producing zirconium oxychloride. It includes conversion zone, settling section and changeover portion, the settling section includes a support housing, set up first heat preservation in the support housing, the changeover portion includes the 2nd support housing, set up the secondheat preservation in the 2nd support housing, lay first flame retardant coating in the second heat preservation, the conversion zone includes the 3rd support housing, set up the third heat preservation in the 3rd support housing, lay the second flame retardant coating in the third heat preservation, the 3rd support housing is outward around establishing the intermediate frequency coil, the settling section is provided with gas outlet and first charge door, the conversion zone is provided with row cinder notch, chlorine air inlet and second charge door. An object of the utility model is to provide ...

In-store drying process device of solar-assisted heat pump

The invention relates to an in-store drying process device of a solar-assisted heat pump in the technical field of grain storages, comprising a heating system of the solar-assisted heat pump, an air supply and return system, a ventilation cage-on-the-ground air supply system and a grain-shoveling machine. The output end of the heating system of the solar-assisted heat pump is connected with the input end of the air supply and return system which is connected with an air inlet hole and an air outlet hole of a barn; the ventilation cage-on-the-ground air supply system and the grain-shoveling machine are respectively arranged in the barn; and the ventilation cage-on-the-ground air supply system is connected with the air inlet hole of the barn. The invention can fully utilize solar energy and decrease the energy consumption of the system; the use of the solar-assisted heat pump ensures the safety and the high efficiency of a drying process; and the reasonable use of the ventilation cage-on-the-ground ...

Multi-use machine tool workbench for woodworker

The invention relates to a multi-use machine tool workbench for woodworkers, which is provided with a planer workbench, a base, a guide shaft and an eccentric locking rod, wherein one side of the planer workbench is provided with a slide seat which is hinged with the guide shaft; the guide shaft is fixed on an inclined plane on one side of the base through a supporting bolt; the planer workbench can be turned over around the guide shaft; the tail part of the guide shaft is provided with a bolt which is connected with a lifting handle through threads; the slide seat is connected with the lifting handle through a positioning screw nail; the slide seat and the planer workbench can move back and forth and lift along the guide shaft by rotating the lifting handle; and the other side of the planer workbench is provided with the eccentric locking rod which is matched with a locking bush fixed on the inclined plane of the base to fix the planer workbench. The planer workbench is hinged on one side ...

Multi -functional composite fiber

The utility model discloses a multi -functional composite fiber, including the basal layer, the radiation protection layer, viscose layer and antistatic layer, the cross -section of basal layer is circular, basal layer center department establishes the through -hole, the cross -section on viscose layer appears for the ring, circumference equipartition cross -section is for the circular shape layer of protecting against radiation between basal layer and the viscose layer, protect against radiation layer butt on basal layer and viscose layer, the cross -section of antistatic layer appears for the ring, the antibiotic layer of circumference equipartition in viscose layer and the antistatic layer, the cross -section on antibiotic layer is parallelogram, the wherein relative both ends on antibiotic layer are located the anchor ring of viscose layer and antistatic layer boundary, the other both ends on antibiotic layer are stretched into the logical inslot of antistatic layer respectively and ...

Seedling raising method for grafted double-trunk muskmelon seedling

The invention discloses a seedling raising method for a grafted double-trunk muskmelon seedling. The method comprises the following steps of S1, grafting a muskmelon scion onto a rootstock in a double-root-cutting manner, and cutting a grafted seedling into a matrix to enable the grafted seedling to grow the roots again; and S2, when the grafted seedling grows to have two leaves and one core, topping the muskmelon scion to enable the muskmelon scion to grow two growth points again from the axil of the true leaf, and when the new growth points grow to be 0.35-0.65 cm, treating the growth pointswith an inhibitor with relatively low concentration to promote double trunks to be uniform so as to obtain the double-trunk muskmelon seedling. Due to the fact that double trunks grow evenly, field management of the seedling is the same as that of a common plant, field planting is conducted according to general field management, field management is conducted according to common field management,and ...

Multi-parameter integrated COD (Chemical Oxygen Demand) water quality monitoring system and monitoring method thereof

The invention discloses a multi-parameter integrated COD (Chemical Oxygen Demand) water quality monitoring system comprising a wireless transmission system (2), a monitoring terminal (3) arranged far away from the water area to be monitored and in the monitoring room, and at least one multi-parameter induction terminal (1) that is arranged at the water area to be monitored; each multi-parameter induction terminal (1) is wirelessly connected with the inlet end of the wireless transmission system (2); and the outlet end of the wireless transmission system (2) is wirelessly connected with the monitoring terminal (3). The invention also provides a method which utilizes the monitoring system to carry out the multi-parameter integrated COD water quality monitoring. The method comprises the steps of 1) monitoring the following four parameters of the water area to be monitored by the multi-parameter induction terminal (1): ultrasonic absorption, turbidity, temperature and pH value; 2) transmitting ...

Preparation method of high gel type egg-white powder

The invention relates to an egg white powder preparation method, especially a high gel type egg white powder preparation method. The method solves the problems of high energy consumption, high cost, long production cycle and poor stability of the egg white powder gel in the existing high gel type egg white powder preparation methods. The method comprises: 1, mixing polysaccharide solution and egg white liquid, adjusting pH value and obtaining a mixed liquor; 2, adding active dry yeast and fermenting; 3, passing the fermented mixed liquor through a filter, spray drying and obtaining egg white powder; 4, packaging the egg white powder into sealed bags, performing dry heat treatment and obtaining high gel type egg white powder. The invention achieves the advantages of simple process, easy operation, low energy consumption, low raw material price, low cost and short cycle which is shortened 4-11 days; the produced high gel type egg white powder achieves good gel stability, has a gel hardness ...

Adjustable photovoltaic tracker of actuating lever installation unit and multi -angle

The utility model discloses an adjustable photovoltaic tracker of actuating lever installation unit and multi -angle, one of them kind actuating lever installation unit, its characterized in that: including the fixed cover of actuating lever, fixed cover link, link fixing base and pedestal connection pole, the fixed cover of actuating lever rotates to be installed on fixed cover link, having seted up at least two on the fixed cover link and having supplied the first bolt hole of the vertical male of first bolt, seted up at least two on the link fixing base and supplied the vertical male second bolt hole of first bolt, first bolt hole and second bolt hole are rectangular form, and the contained angle between first bolt hole and the second bolt hole is 60 to 90, the utility model discloses utilize actuating lever installation unit can reach the diversified effect that alternaties the angle, adjusts the height to the performance of carrying out the adaptability adjustment to the topography ...

Novel anti bacterial fibre

The utility model discloses a novel anti bacterial fibre, including first filament and second filament, the second filament includes circular portion, the leaf body and arc portion, second filament center is equipped with circular portion, circular portion center is equipped with the centre bore, the centre bore intussuseption is filled with the active carbon particle, circular portion outer fringe is disperses a plurality of leaves of the form equipartition body, the leaf body is crooked form, the external reason of leaf is equipped with the arc portion of extending to both sides, it has first filament to fill between adjacent two leaves body, the profile that the outer fringe of first filament and the outer fringe of arc portion formed is for round, be equipped with the through -hole in the first filament, the cross -section of through -hole is formed by stacking on square and circular complex, the circular shape diameter is greater than the length of side of square and is lighter than ...

Piston ring for rolling piston compressor of air conditioner and preparation method thereof

The invention belongs to the field of surface engineering and discloses a piston ring for a rolling piston compressor of an air conditioner and a preparation method thereof. An alloy coating is plated on a piston ring base, and zirconia nanofibers are doped in the alloy coating. The preparation method comprises the following steps that (1) pretreatment is carried out on the surface of the piston ring base, and the pretreatment aims to carry out deoiling and rust removal on the base, so that the surface of the base can be smooth and easy to plate; (2) chemical plating is carried out on the surface of the piston ring base, wherein the zirconia nanofibers are added to plating solutions for chemical plating, the pretreated piston ring base is completely steeped into the plating solutions with the zirconia nanofibers added for chemical plating, and stirring is carried out during the chemical plating. The preparation method for the piston ring for the rolling piston compressor of the air conditioner ...

Synthetic fiber who protects against radiation

The utility model discloses a synthetic fiber who protects against radiation, including first fibre and second fibre, first fibrous cross section is the C style of calligraphy, form the breach on the first fibre, first fibre outer wall is equipped with the radiation protection coating, the second fibre is established to breach department card, the fibrous cross section of second is the I shape, the second fibre is including lieing in the inboard tip of breach, lie in the outer tip in the breach outside and connect the tip and the linking portion of outer tip, the laminating of linking portion runs through the breach, the transition of circular arc limit is passed through at the both ends of interior tip and outer tip, interior tip passes through circular arc limit butt at first fibre inner wall, outer tip is through side butt in it at first fibre outer wall. The utility model discloses a synthetic fiber who protects against radiation is with low costs, has reduced the waste of raw and other ...

Compound feed for seawater white pomfret

Compound feed for seawater white pomfret of the invention relates to a feed, in particular to a compound feed for seawater white pomfret, consisting of the following raw materials in mass percent: 28% to 37% of vapour fish powder, 25% to 30% of fermented soybean meal, 5% to 10% of peanut meal, 3% to 5% of sepia paste, 10% to 20% of strong flour, 5% to 10% of shrimp head powder, 3% to 5% of plant oil, 1% to 2% of compound mineral and 0.5% to 1% of compound vitamin. The feed provided by the invention has full nutrition and is characterized by growth promoting, strong feed attraction, good taste and low feed coefficient, and can help release the growth potential of white pomfret to the greatest degree, reduce feeding cost and improve economical efficiency.

Method for producing food attractant by using fish soluble extract

The invention relates to the field of feed processing, in particular to a method for producing a food attractant by using a waste fish soluble extract in a processing process of fish meal. The method produces a food attractant capable of improving the feed palatability of aquaculture animals by taking the waste and fish soluble extract from the production of the fish meal as a raw material and bythe procedures of steam boiling, mixing, fermentation, drying, and packaging. By the processing and enzymolysis, the polymer proteins in the fish soluble extract are hydrolyzed into small peptides and free amino acids, so the absorption utilization ratio and the food attraction of the fish soluble extract are improved. The method has the advantages of making the waste profitable by using the processing waste from the fish meal as the raw material, reducing the pollution of discharged fish meal to the environment, along with environment friendliness, stable source of the raw material, and simple ...

Anti-erosion mullite brick for blast furnace and preparation method thereof

The invention relates to an anti-erosion mullite brick for a blast furnace and a preparation method thereof. The anti-erosion mullite brick is produced from the following raw materials in parts by weight: 15-30 parts of fused corundum having granularity ranging from 3 to 1 mm, 12-28 parts of synthetic mullite having granularity ranging from 3 to 1 mm, 20-28 parts of fused corundum having granularity of less than 1mm, 10-20 parts of fused corundum having granularity of 0.074mm, 3-6 parts of white quartz having granularity ranging from 0.21 to 0.12mm, 8-10 parts of alpha-aluminum oxide having granularity of less than or equal to 5 microns, 4-6 parts of clay having granularity of 0.074mm, and 3-5 parts of binding agent. The anti-erosion mullite brick for the blast furnace provided by the invention has the characteristics of low porosity, low impurity content, high strength, good high-temperature performance, excellent erosion resistance and high penetration resistance; the anti-erosion mullite ...

Compound anti bacterial fibre

The utility model discloses a compound anti bacterial fibre, including first filament, the cross -section of first filament is the U type, curved kerve is established to the bottom of first filament, it is the first antibiotic core of circular shape to establish the cross -section in the kerve, first antibiotic core fraction is located the kerve, the diameter of first antibiotic core is less than the inner wall width of the U type cross -section upper end of first filament, first antibiotic core top is established the cross -section and is the antibiotic core of elliptical second, first square groove is established to the both sides inner wall symmetry of the upper end of first filament, the antibiotic core of second lies in long epaxial both ends and stretches into first square inslot, the antibiotic core of second lies in short epaxial both ends and establishes arc wall and the square groove of second respectively, the laminating of first antibiotic core is stretched into in the arc wall ...

Method for preparing long storage life liquid state egg

The invention relates to a preparation method for liquid egg with long preservation period, relating to the application of lysozyme, in particular to a producing method of the liquid egg. The invention solves the problem that the preservation period of the liquid egg after processing is short. The method of the invention is characterized in that: the lysozyme and synergistic substances are added into egg liquid, then pasteurized to obtain the liquid egg product; wherein, the additive amount of the lysozyme is 0.03 to 0.25 percent of the total weight of the liquid egg and the additive amount of the synergistic substances is 0.1 to 1.0 percent of the total weight of the liquid egg; the vigor of the lysozyme is 8000U/mg to 20000U/mg. Under the cold storage condition at the temperature of 0 to 4 DEG C, the preservation period of the liquid egg prepared by the invention reaches 6 weeks which is 3 weeks longer than the original preservation period.

Anti-rebounding self-balancing valve structure

The invention provides an anti-rebounding self-balancing valve structure. The anti-rebounding self-balancing valve structure comprises a shell, a filler neck and a switch blade. According to the anti-rebounding self-balancing valve structure, the switch blade blocks the filler neck under the action of external force, an outlet and an inlet of the valve are communicated; under the action of inertia force, the switch blade continues to move to achieve wedge-caulking with the shell. After the switch blade stops movement, under the action of balance pressure of ambient gas of the whole switch blade and the action of the wedge-caulking force of the spherical surface of the switch blade and the conical portion of the shell, the phenomenon that the valve rebounds after being opened under the action of external force is avoided, and the reliability of opening of products is guaranteed.

Fluffy type short -staple with elasticity

The utility model discloses a fluffy type short -staple with elasticity, including the first silk that is located center part, the cross -section of first silk is the pentalpha, first silk outer fringe forms five archs of equipartition, be equipped with second silk and two third silks between two adjacent archs, the cross -section of second silk and third silk is triangle -shaped, two third silk symmetric position in second silk both sides, it is protruding, the third silk, the second silk, the setting of laminating in proper order of third silk and arch, an extreme point of second silk and third silk coincides with two adjacent bellied point of interfaces that correspond, two other extreme point inscriptions of second silk and third silk are on the inner wall of fourth silk, the fourth silk bale covers peripheral and evenly set up along the length direction interval of first silk at first silk, first silk inscription is on the inner wall of fourth silk, first silk, all be equipped with ...

Method for preparing flaky prawn seedling starter feed

The invention discloses a method for preparing a flaky prawn seedling starter feed, which comprises the following steps: crushing a mixture of fish meal, chicken meal, beer yeast, squid powder, wheat flour and mineral elements into 120-300-mesh particles; uniformly stirring the particles so as to obtain a powdered material; uniformly homogenizing egg powder and artemia into a 200-300-mesh productby using a colloid mill, and adding a mixture of betaine, fish oil, soybean lecithin and vitamins into the obtained product to carry out emulsifying homogenization, thus obtaining emulsified liquid; and mixing the powdered material with the emulsified liquid, adding water into the obtained mixture, then carrying out drum drying and vacuum drying, and cooling to obtain the flaky prawn seedling starter feed, wherein the mass of the water accounts for 30-50% of the total mass of the raw materials, the temperature for drum drying is 100-200 DEG C, and the vacuum degree for vacuum drying is 60-90kPa.

Grouper compound feed and preparation method thereof

The invention relates to a fish feed and a preparation method thereof, in particular to a grouper compound feed and a preparation method thereof. The grouper compound feed consists of the following raw materials in percentage by mass: 30 to 40 percent of fish meal, 15 to 20 percent of bean pulp, 10 to 20 percent of wheat high protein flour, 20 to 30 percent of flour, 1 to 2 percent of yeast powder, 1 to 2 percent of compound vitamin, 0.1 to 1 percent of compound mineral matter, 0.5 to 1 percent of choline, 1 to 2 percent of monocalcium phosphate, 2 to 4 percent of isinglass, 0.1 to 0.5 percent of VC and 1 to 2 percent of dried small shrimp powder. The feed of the invention is prepared by refining according to the growth characteristic and nutritional requirement of the groupers, has comprehensive nutrition and strong food calling property, can furthest release the growth potential of the groupers, adds various mineral matters and vitamins and can improve the gut immunologic barrier and ...

Piston ring for heat insulation wear-resistant air-conditioning rolling piston compressor and preparation method of piston ring

The invention discloses a piston ring for a heat insulation wear-resistant air-conditioning rolling piston compressor and a preparation method of the piston ring, belonging to the field of surface engineering. A heat insulation coating is arranged on a piston ring matrix; a wear-resistant coating is arranged outside the heat insulation coating; the heat insulation coating refers to a zirconium oxide ceramic coating; and zirconium oxide hollow nanospheres are doped into the heat insulation coating. The preparation method comprises the following steps: preparing the heat insulation coating on the surface of the pretreated piston ring matrix; performing chemical plating on the surface of the piston ring matrix coated with the heat insulation coating so as to prepare the wear-resistant coating, preparing the heat insulation coating by utilizing a dip-coating method, and completely dipping the pretreated piston ring matrix into zirconium oxide sol added with the zirconium oxide hollow nanospheres ...

Hyphostroma albumen powder, making method thereof and rice cold resistance albumen fertilizer containing same

The invention relates to a hyphostroma albumen powder, making method thereof and rice cold resistance albumen fertilizer containing same. The invention aims at solving the problem that the existing rice fertilizers have no function of cold resistance.The hyphostroma albumen powder of the invention is made by the following steps: by weight parts, 10-15 parts of corn steep liquor, 60-80 parts of corn starch and 20-30 parts of glucose are put into a fermentation cylinder to be mixed into a culture medium; the medium is disinfected and then inoculated in a penicillin thallus for fermentation, and the fermentation temperature is at 20-30 DEG C and pH value is 5.7-6.6. The rice cold resistance albumen fertilizer is prepared by 60-75% of the hyphostroma albumen powder, 15-25% of NPK, 6-10% of cold resistant nutrient, 1.5-3% of higher molecular drought resistant nutrient and 2-4% of plant growth regulator. The invention can improve cold resistant and disease resistant capability of rice in seedling ...

Flat unipolar photovoltaic tracker of swing arm formula

The utility model discloses a flat unipolar photovoltaic tracker of swing arm formula, its characterized in that: including photovoltaic board support, actuating lever installation unit and drive arrangement, photovoltaic board support includes a plurality of photovoltaic board support subelement, all be fixed with photovoltaic board actuating lever on the photovoltaic board support subelement, drive arrangement includes the swing arm, the push rod, driving motor and actuating arm, driving motor's output shaft is connected to the upper end of actuating arm, thereby drive movable arm rotation through driving motor, the lower extreme of actuating arm articulates on the push rod, swing arm and photovoltaic board actuating lever one -to -one, the upper end of corresponding swing arm is connected to photovoltaic board actuating lever on the photovoltaic board support subelement, the lower extreme of all swing arms all articulates on the push rod. The utility model discloses the simple dexterity ...

Novel composite fiber

The utility model discloses a novel composite fiber, including inner core and cladding core outside the inner core outlying, the cross section of outer core appears for the ring, it is the first filament of circular shape that outer core one side is equipped with a plurality of cross section, first filament glues be connected together in proper order, the outer in -core of first filament part embedding, outer in -core is equipped with a plurality of second filaments with the relative opposite side of first filament place side, the second filament is located outer in -core portion, the cross section of inner core is circular, inner core center department is equipped with the through -hole, be equipped with on the inner core and be a plurality of passageways of dispersing form interval distribution, the quantity of passageway and the same and mutual correspondence of the quantity of second filament, the passageway runs through the inner core and stretches into outer in -core, passageway intercommunication ...

Novel breathable chemical fiber

The utility model discloses a novel breathable chemical fiber, which comprises a body, the cross -section of body is regular hexagon, six faces of body are the first cambered surface of indent, through the transition of straight plane between two adjacent first cambered surfaces, establish the branch support body on the straight plane, divide support body one end face butt on straight plane, divide support body both sides face to be the second cambered surface of the indent of symmetry, the 2nd arc surface connection is rather than adjacent first cambered surface, the end of two second cambered surfaces passes through the third cambered surface transition of evagination, if equal dry first through -hole on branch support body and the body, every divides the first through -hole on the support body and lies in same straight line rather than the first through -hole on the body that corresponds and the central point of body, establish the second through -hole on the body between adjacent two ...

Mullite-andalusite product for key position of dry quenching device and preparation method thereof

The invention belongs to the field of fireproofing materials for quenching devices, in particular relating to a mullite-andalusite product for a key position of a dry quenching device and a preparation method thereof. The mullite-andalusite product is characterized by being prepared from the following raw materials in parts by weight: 10-15 parts of M60 mullite particles, 40-55 parts of M47 mullite particles, 10-15 parts of andalusite particles, 10-15 parts of pickled silimanite, 5-10 parts of alpha-AL2O3 micropowder, 5-10 parts of binding clay and 3-5 parts of pulp binding agent. The preparation method comprises: carrying out mulling, removing iron through magnetic separation and screening on the raw materials and putting in a molding machine for pressing; and drying the molded semiproduct and then entering into a kiln for sintering so as to obtain a finished product. The mullite-andalusite product has the advantages of good thermal shock resisting stability, small thermal expansion rate ...

Machine with fertilizer, digging, watering and feeding mechanism

The utility model relates to a machine with a fertilizing, a digging, a watering and a seeding mechanisms, which is composed of the following four parts: a fertilizing mechanism, a digging mechanism, a watering mechanism, and a seeding mechanism. The utility model has the advantages that plant spacing is accurate, the keeping seedling number of a required Mu is ensured, scientific side deep fertilizing can be carried out, labor intensity can be reduced, effort is saved, water is saved, and fuel is saved.

Device for remote rehabilitation training

The invention relates to the technical field of remote rehabilitation training, in particular to a device for remote rehabilitation training, which comprises a depth camera module and a voice prompt module, the voice prompt module is used for performing intelligent voice prompt on the training content of the user and matters needing attention corresponding to the training content; the depth camera module is used for shooting training actions of the user in real time when the user carries out training according to the training content to obtain a training video, and sending the training video to the voice prompt module; and the voice prompt module is also used for identifying wrong actions of the user according to the training video and performing reminding. Rehabilitation training can be remotely guided for a user, and functional rehabilitation of a patient is scientifically and effectively promoted.

Fluidizing chlorination method zirconium oxychloride apparatus for producing

The utility model relates to a zirconium oxychloride apparatus for producing field, in particular to is used for fluidizing chlorination method zirconium oxychloride apparatus for producing for one kind. Including chlorinator, multistage cooling device and tail gas processing device, chlorinator the multistage cooling device with the tail gas processing device from left to right connect graduallythrough the pipeline, chlorinator with be equipped with the hydrogen air inlet on the pipeline of intercommunication between the multistage cooling device. An object of the utility model is to providea fluidizing chlorination method zirconium oxychloride apparatus for producing to the solution has fluidizing chlorination method zirconium oxychloride apparatus for producing now and method production efficiency is low, the problem of the poor and easy polluted environment of product quality.

Preparation method of egg white protein assistant antihypertensive peptides

The invention discloses a preparation method of egg white protein source assistant antihypertensive peptides, and relates to a preparation method of antihypertensive peptides. The method solves the problems of heavy workload of desalinization processing of the traditional pepsin hydrolysis separation method in the preparation process, venomous eluent acetonitrile, long processing period and high reaction end temperature of a chymotrypsin hydrolysis separation method. The method comprises the following steps of: stirring egg white with proteinase for hydrolyzation under the conditions that the pH value is 5 to 8 and the temperature is 30 to 50 DEG C, then sequentially desalting hydrolyzate through strong acid cation exchange resin columns and strong basicity anion exchange resin columns, and filtering effluent liquid through an ultrafiltration membrane and purifying the effluent liquid through gel filtration pre-installed columns Superdex Peptide 10-300GL to obtain the egg white protein ...

Compound feed of tilapia

The invention relates to a type of feed, in particular to a type of compound feed of tilapia. The compound feed of tilapia comprises the following raw materials according to mass percent: 3-8% of fish meal, 20-30% of bean pulp, 5-10% of peanut pulp, 10-15% of corn, 8-12% of cottonseed pulp, 15-20% of rape seed pulp, 12-18% of strong flour, 1-2% of monocalcium phosphate, 1-2% of composite mineral substance, 1-2% of composite vitamins and 1-2% of soybean oil. The feed of tilapia in the invention has the advantages of comprehensive nutrition, promoting growth, strengthening immunity, resisting stress, protecting the intestinal canal of the fish body, preventing occurrence of diseases and the like.

Universal power source for ion optical system

The invention relates to a universal power source for an ion optical system, in particular to a universal power source for an ion optical system in an inductive coupling plasma quadrupole rod mass spectrometer. The power source comprises a microprocessor, a relay drive, a relay, a digital analog converter, a controllable positive high-voltage power module and a controllable negative high-voltage power module. The input end of the microprocessor is used for receiving an external control instruction, and the two output ends of the microprocessor are connected with the input end of the relay drive and the input end of the digital analog converter respectively. The output end of the digital analog converter is connected with the controllable positive high-voltage power module and the controllable negative high-voltage power module. The output end of the controllable positive high-voltage power module and the output end of the controllable negative high-voltage power module are connected with ...

Optimization method for solving encasement problem under multiple weight restrictions based on three-dimensional space

The invention belongs to the field of industrial application of logistics and warehousing and relates to an optimization method for realizing three-dimensional encasement under the limiting condition that multiple weight restrictions of goods are met, in particular to a mixed optimization method for individual encasement. The optimization method for three-dimensional encasement is characterized by comprising the following steps that a calculation path diagram of the ant colony algorithm is designed; inspiring factors of the ant colony algorithm, information elements on nodes, an information element updating method and a transfer and selection strategy key technology are designed; the description method of each restriction is given, an encasement inspiring algorithm is designed, a loading layout three-dimensional diagram is drawn, and each goods loading position is displayed. The optimization method for solving the three-dimensional encasement problem under the multiple weight restrictions ...

Spliced pole structure motor and spliced pole design method and application thereof

The invention relates to a spliced pole structure motor and a spliced pole design method and application thereof, and belongs to the technical field of motor manufacturing. The motor comprises a stator iron core, a rotor iron core, splicing poles, a rotating shaft and an armature winding, the rotor iron core is fixedly arranged on the rotating shaft, the splicing poles are uniformly arranged in the rotor iron core in a surrounding mode, the stator iron core is sleeved outside the rotor iron core, an air gap is reserved between the rotor iron core and the stator iron core, and motor grooves are uniformly arranged in the stator iron core in a surrounding mode. And armature windings are arranged in the motor slots. The magnetic field mathematical model of the spliced pole structure is approximate to a step function, so that the higher harmonics of the magnetic field can be remarkably reduced, the segmented magnetic field of the magnet is closer to a standard sine wave after being synthesized ...

Moisture absorbable and breathable's chemical fiber

The utility model discloses a moisture absorbable and breathable's chemical fiber, which comprises a body, be equipped with on the body be disperse the form interval evenly distributed a plurality of divide the support body, the body outer wall is equipped with the natural fibre layer, the interior end connection who divides the support body becomes integrative, the interior tip of adjacent minute support body passes through the transition of circular arc limit, branch's first corpus fibrosum of external tip fixture sliding seat and second corpus fibrosum, the cross -section of first corpus fibrosum appears for E, the central line of branch support body coincides with the central line of the first horizontal bar in the intermediate level of the first corpus fibrosum that corresponds, be equipped with two first spaces on the first corpus fibrosum, first space outwards sets up, the cross -section of second corpus fibrosum appears for H, the central line of the second horizontal bar on the ...

High shrink nature deodorization fibre

The utility model discloses a high shrink nature deodorization fibre, be the circular shape body including the cross -section, the body center is equipped with deodorization polyester fiber layer, the cross -section on deodorization polyester fiber layer is horizontal S -shaped, form two reversions' concave part on the deodorization polyester fiber layer, form in the concave part and hold the chamber, it is equipped with the V -arrangement through -hole to hold the intracavity, V -arrangement through -hole part stretches into the appearance intracavity, the vertical bottom center department that holds the chamber of being close to of most advanced part of V -arrangement through -hole, be equipped with circular through -hole in the opening portion of V -arrangement through -hole, circular through -hole part stretches into in the V -arrangement through -hole, the concave part is outer to be equipped with the triangle -shaped through -hole with the relative opposite side of appearance chamber ...

Bactericidal composition for preventing and treating rice seedling blight

The invention provides a bactericidal composition for preventing and treating rice seedling blight and belongs to the technical field of bactericidal compositions for preventing and treating rice seedling blight. The bactericidal composition for preventing and treating rice seedling blight is composed of 30-70 wt% of imidazole quinoline copper and 30-70 wt% of triazolone. A using method of the bactericidal composition for preventing and treating rice seedling blight provided by the invention comprises: blending 20g of a mixture of imidazole quinoline copper and triazolone into 3000ml of clear water to obtain a mixture; and spraying the mixture into a rice seedbed which is 60 square meters in area. The bactericidal composition containing imidazole quinoline copper and triazolone bactericides affects biosynthesis of sterols, so that the cellular membrane function of thalli is damaged. According to the test application, resistance generated by pathogenic bacteria is not discovered and the ...

Fire -retardant regeneration composite fiber

The utility model discloses a fire -retardant regeneration composite fiber, including circular shape inner core and the annular outer core of circle, the inner core middle part is equipped with the cavity of cross -section for parallelogram, the transition of circular arc limit is passed through at four angles of cavity, the center of cavity and the center coincidence of inner core, a plurality of saw dentate bulging of inner core outer fringe circumference equipartition, be equipped with the through -hole on the saw dentate bulging, a plurality of circular -arc archs that correspond with saw dentate bulging of inner edge circumference equipartition of outer core, circular -arc protruding card go into between two adjacent saw dentate bulging and with two adjacent saw dentate bulging interference fit, outer core outer wall is equipped with the resistant layer of firing. The utility model discloses a fire -retardant regeneration composite fiber has good gas permeability, travelling comfort ...

Combined electronic mechanical brake

A combined electronic mechanical brake is composed of a motor, a bracket, a speed reducer, a first clamp, a first friction plate, a second friction plate, a brake disc, a third friction plate, a second clamp, a fourth friction plate, a fixed bracket, a thrusting plate, a first ball bar, a sleeve, a second ball bar, a fixed bolt, a baffle ring, a thrusting ball, a screw rod, a nut, a first thrusting cylinder, a wear resistant sleeve, a second thrusting cylinder and a positioning bolt. When in use, the combined electronic mechanical brake can effectively reduce the motor power and save mounting space, has the advantages of low energy consumption, high response speed, convenience in maintenance, simplicity in structure, low cost and the like, can effectively utilize a force amplifying mechanism to quickly increase the braking torque, so as to conveniently realize ABS, EDB, and other integrated control, adopts multiple friction plates to effectively reduce the temperature rise during braking ...

Missile/rocket pyrovalve reliability index verification test method

Disclosed is a missile/rocket pyrovalve reliability index verification test method. According to the method, initiation strength of a pyrovalve firing device is used as reliability characteristic; an initiation vessel test fixture is designed; initiation under different initiation strengths is achieved by changing the volume of an initiation vessel. According to theoretical basis of the method, initiation pressure is inversely proportional to the initiation vessel; the initiation strength reliability characteristic complies with normal distribution; tolerance limit coefficients are reversed by a normal distribution table according to reliability indexes to be verified; accordingly, initiation strength required is designed, initiation test is performed, and pyrovalve reliability index estimation is performed according to the test results.

Automobile anti-theft anti-robbery system

The invention relates to an automobile anti-theft anti-robbery system which comprises an image collecting module, a control module and an executing module. An image collecting device transmits a collected image to a DSP chip. The image is preprocessed by an image preprocessing module and undergoes de-noising processing in the preprocessing module with a wavelet transform method. Rough positioning of a human face is carried out in a human face detecting module with an image background standardization method and feature value extraction is facilitated by reinforcing the image with a histogram modification method. After human face features are extracted, data are input to a matching module and a neural network matching method is adopted in the matching module. If a matching result is positive, a control system outputs a driving allowance signal, otherwise, a driving forbidding signal is output. After the system transmits the driving allowance signal, an engine is controlled to work and an ...

Litopenaeus vannamei compound feed

The invention relates to a lLitopenaeus vannamei compound feed and belongs to the field of shrimp feed and preparation methods thereof. According to weight percentage, the compound feed contains 10-15percent of fish meal, 18-22 percent of fermented soybean meal, 8-12 percent of peanut cake, 2-6 percent of corn protein powder, 8-10 percent of soya bean meal, 20-25 percent of high gluten flour, 2-6percent of shrimp shell powder, 1-3 percent of selenium-enriched yeast, 1-3 percent of bentonite, 2-4 percent of squid extract, 2-4 percent of kelp powder, 0.5-1.5 percent of monocalcium phosphate, 0.5-1.5 percent of fish oil and 2-4 percent of premix. The compound feed can substitute for the present prawn compound feed and be used for the artificial breeding of litopenaeus vannamei. The compoundfeed is good in palatability, easy to digest and absorb and nice in the stability in water, reduces feed coefficient and cost, nitrogen and phosphorus emission and pollution to the water body environment ...

Main shaft butt joint node and adjustable photovoltaic tracker of multi -angle

The utility model discloses a main shaft butt joint node and adjustable photovoltaic tracker of multi -angle, wherein, main shaft butt joint node is including butt joint sleeve pipe, the 3rd penetrating bolt, fourth penetrating bolt and bolt backing plate, and the one end welded fastening butt joint sheathed tube one end of a photovoltaic board actuating lever is offered two thirds that supply the 3rd penetrating bolt to penetrate and is bored a hole on the butt joint sleeve pipe, and offer a fourth that supplies fourth penetrating bolt to penetrate on the butt joint sleeve pipe and bore a hole, the butt joint sheathed tube other end is offered confession bolt backing plate and put into the backing plate hole that docks the intraductal space of sheathed tube within outer, offers the backing plate hole that is used for penetrating fourth penetrating bolt on the bolt backing plate, and during on -the -spot the installation, the fixed cover of actuating lever can directly be passed to the ...

High elasticity profile fiber that breathes freely

The utility model discloses a high elasticity profile fiber that breathes freely, which comprises a body, the body comprises the dacron silk, and the cross -section of body is the cross, and four outer tip of body are equipped with circular -arc leaf margin, and four right angles departments at body center are through the transition of circular arc limit, lies in on four straight flanges of body to be equipped with semi -circular protrudingly between circular -arc leaf margin and the circular arc limit, and the cavity is located to be equipped with in the body center, the cross -section of cavity is the X -shaped, and four outer tip of cavity do not point to the center department on corresponding circular arc limit, and the cavity inner wall is equipped with extra large alginate fibre layer. The utility model discloses moisture absorbable and breathable nature is good, and elasticity is good, and well just structural strength is high for fluffy degree.

Method for preparation of egg white oligopeptide having high F value

The invention discloses a making method of high-F value egg oligopeptide, which comprises the following steps: a. predisposing raw material; b. hydrolyzing protein for two steps; c. adsorbing through active carbon; d. desalting; obtaining the product with molecular weight at 300-1000 and F value more than 20.

High shrink super absorbent polymer fibre

The utility model discloses a high shrink super absorbent polymer fibre, which comprises a body, the cross -section of body is parallelogram, four edges of body pass through the cambered surface transition, body center department outwards is radial four the interior arc holes that are equipped with, the interior tip in four interior arc holes each other does not communicate with each other, four interior arc holes are clockwise and buckle, the length that lies in two epaxial arc holes of length in the parallelogram cross -section of body is greater than the length in two epaxial arc holes of weak point in the parallelogram cross -section that lies in the body, be equipped with the through -hole between two adjacent interior arc holes, the center in interior arc hole is located and is located through outer arc jogged joint rather than the center of close body one end, four outer arc holes are clockwise and buckle. The utility model discloses a fluffy degree of fibre and shrink nature are ...

Fish and shrimp polyculture compound feed and preparation method thereof

The invention relates to a fish and shrimp compound feed, in particular to a tilapia and litopenaeus vannamei polyculture compound feed, and belongs to the fields of compound feeds and processing thereof. The fish and shrimp polyculture compound feed is prepared from the following raw materials in percentage by mass: 7 to 12 percent of directly heated fish meal, 15 to 30 percent of soybean meal, 15 to 30 percent of rapeseed meal, 1 to 2 percent of liquid phospholipid, 5 to 15 percent of wheat short, 15 to 30 percent of corn, 8 to 20 percent of strong flour, 0.5 to 1 percent of calcium dihydrogen phosphate, 0.05 to 0.1 percent of compound vitamin, 0.5 to 1 percent of compound mineral, 0.02 to 0.3 percent of immune potentiator and 0.5 to 1 percent of fish oil. The fish and shrimp polyculture compound feed has the advantages of low feed coefficient, promotion of the fast growth of the tilapia and the litopenaeus vannamei, difficulty in polluting culture water quality, low cost and the like ...

Fluffy type short -staple

The utility model discloses a fluffy type short -staple, including the core fibre, the fibrous cross -section of core is three lobate shaped, the core fibre includes three blade, the one end of three blade links into an integrated entity, the other end is convex leaf margin, establish first interior fibre and the interior fibre of second between two adjacent blades, fibrous cross -section is fan -shaped in first interior fibre and the second, fibrous sector section's the summit and the point of interface coincidence of two adjacent blades in first interior fibre and the second, the through -hole is established along its length direction to the interior fibre of fibre and second in first, the centre of a circle of through -hole is located first fibre and the fibrous sector section's of second center department, the core fibre, the equidistant outer fiber of establishing of its length direction is followed outward to the interior fibre of fibre and second in first, the radian of the inner ...

Anonymous authentication method in public place code exhibition scene

The invention belongs to the technical field of network information security, and particularly relates to an anonymous authentication method in a public place code exhibition scene. According to the method, the code display verification efficiency in an actual application scene can be improved, and the verification party can verify the validity of the certificate on the premise of not invading the privacy of the user. Comprising the following steps: step 1, generating parameters; step 2, issuing certificates: a user needs to show certificates to a service provider when entering and exiting various public places, so that the user needs to interact with an issuer to obtain an effective certificate related to the user before showing the certificates; step 3, voucher presentation: after the user obtains and verifies the validity of the vouchers in the voucher obtaining stage, the user aggregates a plurality of different vouchers together, and presents the vouchers owned by the user to the service ...

Compound feed for sciaenops ocellatus

The invention relates to a feed, in particular to a compound feed for sciaenops ocellatus. The compound feed for the sciaenops ocellatus consists of the following raw materials in percentage by mass: 8 to 12 percent of vapor fish meal, 12 to 15 percent of domestic fish meal, 3 to 5 percent of fermented soybean meal, 20 to 25 percent of soybean meal, 3 to 5 percent of peanut meal, 8 to 12 percent of corn, 8 to 10 percent of rapeseed meal, 12 to 15 percent of high protein flour, 1 to 2 percent of blood meal, 1 to 2 percent of soybean lecithin, 1 to 2 percent of sea-fish oil, 0.5 to 1 percent of monocalcium phosphate, 0.5 to 1 percent of compound mineral substance, and 0.5 to 1 percent of compound vitamin. The compound feed for the sciaenops ocellatus has the advantages of comprehensive nutrition, strong taste attractant, excellent palatability and low feed coefficient, promotes the growth, and can stimulate the growth potential of the sciaenops ocellatus, reduce the culture cost, and improve ...

Method for preparing flaky prawn seedling starter feed

Waterproof ventilative chemical fibre cloth

The utility model discloses a waterproof ventilative chemical fibre cloth, including the chemical fibre precoat, chemical fibre precoat lower surface is equipped with the non -woven fabrics layer, chemical fibre precoat upper surface is equipped with a plurality of lugs that are the matrix and distribute, the lug is the square structure, chemical fibre precoat upper surface crimping PU layer, PU layer lower surface is equipped with a plurality of archs that are the matrix and distribute, the protruding hemisphere that is, protruding crimping is on four lugs rather than corresponding, bellied diameter L1 is less than interval L2 and the length of side L3 sum of lug between adjacent lug, run through on the PU layer and be equipped with thick passageway between the detail of fore -and -aft both ends, the cross -section of passageway is the S -shaped, the bottom of passageway is located bellied bottom center department. The utility model discloses an it is good that the water gas permeability ...

Welding assembling method for pipeline of carrier rocket

The invention relates to a welding assembling method for a pipeline of a carrier rocket. The welding assembling method comprises the following steps of designing a special welding tool; welding a valve of a pipeline on the ground at first; and then mounting the pipeline on the carrier rocket. Integrated welding and mounting of the pipeline of the carrier rocket is realized. The welding tool comprises a base, a plurality of supports and adjusting devices, wherein the base has a fan-shaped flat plate structure; the supports are arranged on the base; and the adjusting devices are arranged on the supports. According to the welding method, the mounting quality of the pipeline of the carrier rocket and the mounting quality of the valve are greatly improved by integrated installation, the mounting efficiency is improved, and mounting procedures are simplified; and the welding assembling method is particularly applied to general assembly of the welding pipeline in complicated three-dimensional ...

Fish and shrimp polyculture compound feed and preparation method thereof

The invention relates to a fish and shrimp compound feed, in particular to a tilapia and litopenaeus vannamei polyculture compound feed, and belongs to the fields of compound feeds and processing thereof. The fish and shrimp polyculture compound feed is prepared from the following raw materials in percentage by mass: 7 to 12 percent of directly heated fish meal, 15 to 30 percent of soybean meal, 15 to 30 percent of rapeseed meal, 1 to 2 percent of liquid phospholipid, 5 to 15 percent of wheat short, 15 to 30 percent of corn, 8 to 20 percent of strong flour, 0.5 to 1 percent of calcium dihydrogen phosphate, 0.05 to 0.1 percent of compound vitamin, 0.5 to 1 percent of compound mineral, 0.02 to 0.3 percent of immune potentiator and 0.5 to 1 percent of fish oil. The fish and shrimp polyculture compound feed has the advantages of low feed coefficient, promotion of the fast growth of the tilapia and the litopenaeus vannamei, difficulty in polluting culture water quality, low cost and the like ...

Preparation method and application of astaxanthin encapsulated by soybean protein nanofibers

The invention discloses a preparation method and application of astaxanthin encapsulated by soybean protein nanofibers, and belongs to the field of nutrient substance delivery protection. According to the protein/astaxanthin compound and the preparation method thereof, the astaxanthin loading capacity of the protein/astaxanthin compound is enhanced through the fibrillated soybean protein isolate, the protein/astaxanthin compound is obtained through an emulsification-evaporation method and hydrophobic interaction and hydrogen bonds between the protein and the astaxanthin, and the problems that the astaxanthin is poor in water solubility, unstable in chemical property and low in bioavailability are solved. Meanwhile, the preparation method is simple, and the material source is wide.

Hyphostroma albumen powder, making method thereof and rice cold resistance albumen fertilizer containing same

The invention discloses a rice cold resistance albumen fertilizer containing hyphostroma albumen powders, wherein the rice cold resistance albumen fertilizer consists of 60-75 % of hyphostroma albumen powders by mass, 15-25 % of azophoska by mass, 6-10 % of cold resistance nutrients by mass, 1.5-3 % of macromolecular cold resistance nutrient agent by mass, and 2-4 % of plant growth regulator. The mass ratio of nitrogen, phosphorus and potassium is (6-8) : (3-5) : (2-3). Due to the adoption of the rice cold resistance albumen fertilizer, rice is provided with comprehensive nutrients after the fertilizer is fertilized in a rice seedbed. The content of azophoska in the fertilizer is extremely high, which is significantly higher than that in high-quality human feces and pig manure. When the fertilizer is fertilized on seedlings, the genes of rice seedlings can be optimized. Meanwhile, the cold resistance and disease resistance of rice in seedling stage can be improved and the root systems of ...

Preparation method of high gel type egg-white powder

The invention relates to an egg white powder preparation method, especially a high gel type egg white powder preparation method. The method solves the problems of high energy consumption, high cost, long production cycle and poor stability of the egg white powder gel in the existing high gel type egg white powder preparation methods. The method comprises: 1, mixing polysaccharide solution and egg white liquid, adjusting pH value and obtaining a mixed liquor; 2, adding active dry yeast and fermenting; 3, passing the fermented mixed liquor through a filter, spray drying and obtaining egg white powder; 4, packaging the egg white powder into sealed bags, performing dry heat treatment and obtaining high gel type egg white powder. The invention achieves the advantages of simple process, easy operation, low energy consumption, low raw material price, low cost and short cycle which is shortened 4-11 days; the produced high gel type egg white powder achieves good gel stability, has a gel hardness ...

Rotary shaft stop device

The invention relates to a rotary shaft stop device. The rotary shaft stop device is provided with a stop pin which can be inserted into a rotary shaft; the stop pin is arranged in a fixed base of which one end is provided with an opening; the rear part of the stop pin is nested with a spring and connected with a steel wire pull rib with a protection sleeve; the other end of the steel wire pull rib is connected with an adjusting pin shaft with a T-shaped handle; and the adjusting pin shaft is matched and positioned with a limit tube through a positioning pin. In the rotary shaft stop device, the stop pin controlled by and connected with the steel wire pull rib is matched with the rotary shaft to control the rotary shaft to rotate; the rotary shaft stop device has simple structure, convenient operation, can effectively stop and control the rotation of the rotary shaft, plays a good role in rotary shaft stop, and guarantees the safety of other disassembly operations.

Compound feed of tilapia

The invention relates to a type of feed, in particular to a type of compound feed of tilapia. The compound feed of tilapia comprises the following raw materials according to mass percent: 3-8% of fish meal, 20-30% of bean pulp, 5-10% of peanut pulp, 10-15% of corn, 8-12% of cottonseed pulp, 15-20% of rape seed pulp, 12-18% of strong flour, 1-2% of monocalcium phosphate, 1-2% of composite mineral substance, 1-2% of composite vitamins and 1-2% of soybean oil. The feed of tilapia in the invention has the advantages of comprehensive nutrition, promoting growth, strengthening immunity, resisting stress, protecting the intestinal canal of the fish body, preventing occurrence of diseases and the like.

Efficient condenser easy to disassemble

The efficient condenser comprises a condenser bottom plate, an outer water cooling sleeve and a top cover, the condenser bottom plate is fixedly installed at the lower end of the outer water cooling sleeve, a spiral fixing shaft is welded to the middle of the lower wall of the top cover, and a spiral water jacket is welded to the outer wall of the spiral fixing shaft; an outer water cooling sleeve water outlet pipe and an outer water cooling sleeve water inlet pipe which are communicated with the cavity are fixedly installed on the upper side and the lower side of the outer wall of the outer water cooling sleeve respectively, and a spiral water jacket water outlet pipe and a spiral water jacket water inlet pipe upper section are fixedly installed at the upper end and the lower end of the spiral water jacket respectively. According to the invention, a flowing channel of gas needing to be condensed is designed into a rotating channel formed by the spiral water jacket and the outer water cooling ...

Double-shaft differential conditioning machine for fish fry mouth opening bait

The utility model discloses a double-shaft differential conditioning machine for fish fry mouth opening bait. The double-shaft differential conditioning machine comprises a machine shell, the machine shell is formed by fixedly connecting a first cavity and a second cavity, and a first stirring shaft and a second stirring shaft are arranged in the first cavity and the second cavity respectively. First paddles and second paddles are fixedly connected in the radial direction of the first stirring shaft and the radial direction of the second stirring shaft respectively, the turning direction of the first paddles and the turning direction of the second paddles are opposite, and the length of the first paddles is larger than the length of the second paddles. The rotating speed of the first stirring shaft is smaller than the rotating speed of the second stirring shaft. The machine shell is further provided with at least one filling pipe and air outlet pipes, the filling pipes are communicated ...

Highway route accident obstacle inspection device

The invention relates to the technical field of unmanned patrol cars, in particular to a highway route accident obstacle inspection device which comprises a side plate, a driving assembly is arranged at one end of the bottom side of the side plate, a steering assembly is arranged at the other end of the bottom side of the side plate, the driving assembly comprises a first fixing plate, one side of the first fixing plate is fixedly connected with an adapter, and the adapter is fixedly connected with a second fixing plate. And one end of the adapter is rotationally connected with one side of the side plate. According to the device, through the arrangement of the steering assembly and the driving assembly, the device can be transferred to the guardrail, the rear axle is driven to drive the driving wheels to rotate, so that the device moves on the guardrail, compared with the complex situation that the device moves on the ground, fewer obstacles are moved on the guardrail, and meanwhile, the ...

High elasticity high -strength fiber with antibiotic effect

The utility model discloses a high elasticity high -strength fiber with antibiotic effect, include the body of constituteing by a plurality of fiber monofilament, fiber monofilament is formed by first filament and second filament complex, first filament and second filament cross -section are the same semi -circular and symmetric distribution, are equipped with the same recess on the opposite face of first filament and second filament, the recess systematic is with anion layer, the body including the central cellosilk that is located center department and with the concentric cellosilk layer that distributes of central cellosilk, the first filament of center cellosilk is relative with the second filament on cellosilk layer, and the second filament of central cellosilk is relative with the first filament on cellosilk layer. The utility model has the characteristics of the structure is full, and intensity is high, and the bacterinertness is good, and elasticity is good.

Litopenaeus vannamei compound feed

The invention relates to a lLitopenaeus vannamei compound feed and belongs to the field of shrimp feed and preparation methods thereof. According to weight percentage, the compound feed contains 10-15 percent of fish meal, 18-22 percent of fermented soybean meal, 8-12 percent of peanut cake, 2-6 percent of corn protein powder, 8-10 percent of soya bean meal, 20-25 percent of high gluten flour, 2-6 percent of shrimp shell powder, 1-3 percent of selenium-enriched yeast, 1-3 percent of bentonite, 2-4 percent of squid extract, 2-4 percent of kelp powder, 0.5-1.5 percent of monocalcium phosphate, 0.5-1.5 percent of fish oil and 2-4 percent of premix. The compound feed can substitute for the present prawn compound feed and be used for the artificial breeding of litopenaeus vannamei. The compound feed is good in palatability, easy to digest and absorb and nice in the stability in water, reduces feed coefficient and cost, nitrogen and phosphorus emission and pollution to the water body environment ...

Power driven gear for woodworking multi-purpose machine tool

The invention relates to a power driven gear for a woodworking multi-purpose machine tool, which comprises a motor, a planning tool shaft wheel, a feeding chain wheel, a double-chain wheel, a tension chain wheel and a feeding belt wheel, wherein the feeding belt wheel is arranged on a bearing plate, the double-chain wheel and the bearing plate are arranged on a middle shaft, the middle shaft is fixed on a pedestal, a motor belt wheel and the feeding belt wheel are in clutch connection and transmission through another toothed belt, a small chain wheel coaxial with the feeding belt wheel is connected with a large chain wheel on the double-chain wheel through a chain, and the small chain wheel on the double-chain wheel, the tension chain wheel and the feeding chain wheel are connected together through another chain. Because the feeding belt chain wheel is connected with the middle shaft which is fixedly arranged on the pedestal through the bearing plate, the feeding belt wheel can lift upwards ...

Dry coke quenching conflict wall that once removes dust

The utility model relates to a dry coke quenching conflict wall that once removes dust, including the wall body, the wall body lower part sets up first arch brace, and first arch brace lower part setsup the second arch brace, and second arch brace lower part sets up the third arch brace, sets up a knee wall between first arch brace and the second arch brace, sets up the 2nd knee wall between third arch brace and the second arch brace, and the arch brace is and builds into two -layer arch brace with laying bricks the 2nd knee wall with the second. The utility model provides a long -term problem of collapsing that causes of using of conflict ancient piece of jade, round, flat and with a hole in its centre barricade, increase the whole steadiness of wall body. Increase the design with boy'sbrick about the arch, change the brick shape of sub - brick. Increase tongue groove occlusal structure on the brick, increase the binding force between the brick, increase wall body life, reduce enterprise's ...

Construction method for super-long diversion of cofferdam in limited space

The invention relates to a construction method for super-long diversion of a cofferdam in a limited space, which comprises the following steps of: calculating a diversion area according to designed water flow and diversion quantity of a river, and determining the diameter of a steel pipe and the number of diversion pipes; circular flange plates are welded to the two ends of each steel pipe, bolt holes are reserved in the flange plates, after the flanges are welded, the two steel pipes are connected through bolts, the steel pipes are sequentially connected to the specified length, air bags are placed at the two ends of a flow guide pipe, the air bags are filled with air, and the flow guide pipe is placed into water through a crane at the upstream of a river. Manually pulling to a specified position along the water flow direction, deflating and sinking the air bag, and circulating in sequence until all the flow guide pipes are mounted; a proper place is selected for cofferdam construction ...

Ventilative anti bacterial fibre of high moisture absorption of high elasticity

The utility model discloses a ventilative anti bacterial fibre of high moisture absorption of high elasticity, including the three outer pole that is triangular distribution, adjacent outer pole juncture is equipped with the interior pole of inside extension, pole other end butt is lieing in the inner ring outer wall of locating at three outer pole center in three, the inside active carbon particle that is equipped with of inner ring, outer pole middle part is equipped with external pole, external pole is including the straight -bar and the arc pole that link into an integrated entity, the straight -bar from outer pole outside insert perpendicularly and the butt on the inner ring outer wall, the outer end connection of straight -bar has and uses two the arc poles of straight -bar as the symmetry axis, the inside outer passageway that is equipped with the intercommunication of straight -bar and arc pole, be equipped with the internal channel that runs through on the inner ring, outer passageway ...

Zirconium tetrachloride purifier

The utility model relates to a zirconium tetrachloride purifier especially relates to the zirconium tetrachloride purifier that two electron thalposis wares of an accessible obtained the higher zirconium tetrachloride crystal of purity, the utility model discloses a design of two electron thalposis wares through the control to electron thalposis ware and heating device, has improved the purity ofzirconium tetrachloride crystal, in using, when reaction furnace temperature is too high, control heating device begins the cooling, when reaction furnace temperature reaches the predetermined temperature, control heating device begins to keep warm, then, the zirconium tetrachloride distillation, zirconium tetrachloride gas makes progress away, when second thalposis ware detects the high temperature of zirconium tetrachloride gas, contains the waste that more zirconium tetrachloride gas caused zirconium tetrachloride in the gas, central processing unit is given to second thalposis ware just signal ...

Device and method for preparing tetramethoxysilane

The invention provides a device and a method for preparing tetramethoxysilane and relates to the field of tetramethoxysilane preparation. The device comprises a reactive distillation tower, a reboiler and an overhead condenser; a rectification section, a reaction section and a stripping section are arranged in the reactive distillation tower from top to bottom; a methanol inlet and a silicon tetrachloride inlet are formed in the outer wall of the reaction section; a tower bottom outlet is formed in the bottom of the reactive distillation tower, and a liquid outputting pipe is arranged at the tower bottom outlet; the reboiler is arranged outside the bottom of the reactive distillation tower, and one end of the reboiler is communicated with a tower bottom outlet pipe, while the other end of the reboiler is communicated with the stripping section; the overhead condenser is arranged at the top of the reactive distillation tower, and one end of the overhead condenser is communicated with a top ...

High air -permeability's novel composite fiber

The utility model discloses a high air -permeability's novel composite fiber, include by the interior inner core that sets gradually outside to, the arc fibre, trapezoidal fibre, parabola shape fibre and outer core, the cross -section of inner core is the square, inner core center department is equipped with the cross -section and is the circular shape through -hole, four outer wall middle parts of inner core all are equipped with the arc wall, the laminating is equipped with the arc fibre in the arc wall, center that trapezoidal fibre used the through -hole is centre of a circle circumference evenly distributed, trapezoidal fibrous interior end face centre is equipped with the recess, insert respectively in two adjacent trapezoidal fibrous recesses at the fibrous both ends of arc, center that parabola shape fibre used the through -hole is centre of a circle circumference evenly distributed, the fibrous both ends of parabola shape difference butt is at the tip of adjacent two trapezoidal ...

Online UBI vehicle insurance method based on evidence verifiable SNARK

The invention belongs to the technical field of communication security, and particularly relates to an online UBI vehicle insurance method based on evidence verifiable SNARK. The invention provides a UBI vehicle insurance scheme for protecting privacy, and the scheme solves the privacy problem in UBI vehicle insurance by adopting a block chain, an intelligent contract and a non-interactive zero-knowledge proof technology. Comprising the following steps of: 1, generating a public parameter and initializing a key and a certification use parameter; step 2, the insured user joins in the UBI vehicle insurance; 3, the vehicle signs the collected driving data; 4, the vehicle verifies the collected driving data; and 5, generating a vehicle insurance premium and generating a certificate of vehicle insurance premium generation. And step 6, verifying the insurance premium and certification by the smart contract.

Lens power supply for mass spectrometer

The invention relates to a DC (Direct Current) adjustable power supply in an analytical instrument, and particularly relates to a DC analytical instrument of a lens system for an ICP-MS (Inductively Coupled Plasma Massspectrometry) analyzer. The power supply comprises a control circuit, a voltage output circuit, a sampling circuit, a power supply module and a protection circuit, wherein the input end of the control circuit is used for receiving a control instruction of an upper computer and is connected with the power supply module and the protection circuit; the output end outputs a control signal to a voltage output circuit, the input end of the voltage output circuit is connected with the output end of the control circuit and is further connected with the power supply module and the protection circuit; the output end is connected with a lens pole piece and a sampling circuit; the input end of the sampling circuit is further connected with the power supply module and the protection circuit ...