折叠鞋盒

Liquid material feeding system and verification method thereof

The invention discloses a liquid material feeding system and a verification method thereof. The liquid material feeding system comprises a feeding pipeline, a metering assembly, a material conveying main pipeline, a material conveying branch pipeline, a verification assembly and a debugging assembly. Wherein the feeding pipeline is used for conveying a liquid material to the metering assembly; the metering assembly is used for metering the liquid material conveying amount; the material conveying main pipeline is used for conveying the liquid material in the metering assembly to the material conveying branch pipeline; a conveying passage of the material conveying branch pipeline is used for conveying a liquid material with a preset weight to target material mixing equipment, and a verification passage is used for communicating with a verification assembly; the verification assembly can stabilize the pressure of the material conveying main pipeline at a preset pressure parameter and stabilize ...

NITROGEN-CONTAINING COMPOUND, AND ELECTRONIC ELEMENT AND ELECTRONIC DEVICE USING SAME

The present application relates to a nitrogen-containing compound. The structural formula of the nitrogen-containing compound is as shown in formula I, in which ring A and ring B are each independently selected from a benzene ring or a fused aromatic ring with 10 to 14 ring-forming carbon atoms, and at least one of ring A and ring B is selected from the fused aromatic ring with 10 to 14 ring-forming carbon atoms; L is selected from a single bond, a substituted or unsubstituted arylene group with 6 to 30 carbon atoms, and a substituted or unsubstituted heteroarylene group with 3 to 30 carbon atoms; and Het is a substituted or unsubstituted nitrogen-containing heteroaryl group with 3 to 30 carbon atoms. The nitrogen-containing compound of the present application can improve the luminous efficiency of an organic light-emitting device and the conversion efficiency of a photoelectric conversion device using the nitrogen-containing compound.

旋转刀架

沙发（yf-2301）

纪念章（葫芦形-佛）

纪念章（葫芦形-木）

匹克球拍

纪念章（葫芦形-道）

Scrap collecting and processing device for machine tool

The invention provides a chipping collecting and processing device for a machine tool, belongs to the technical field of chipping processing of machine tools, and aims to solve the problem that in the prior art, chippings are mostly compacted by adopting a hydraulic structure so as to be conveniently processed, but when chippings with high resilience value are processed, the chippings can rebound after being compressed, so that the discharging is inconvenient, the chipping collecting and processing device comprises a bottom plate and a side clamping assembly, the two side clamping assemblies are arranged on the two sides of the upper surface of the bottom plate. The material pushing assembly is arranged on the sliding rail, the direction of the sliding rail is perpendicular to the clamping direction of the two side clamping assemblies, and the material pushing assembly can move on the sliding rail in a reciprocating mode; and the number of the vertical plates is two, the two vertical plates ...

Method and device for brushing solder resist on metal annular part for diffusion welding

The invention provides a method and device for brushing a solder resist on an annular metal part for diffusion welding, and belongs to the field of metal material welding. The problems that solvent type protection glue used in a traditional welding area and a traditional non-welding area is long in drying time and not environmentally friendly are solved. The method for brushing the solder resist on the metal annular part for diffusion welding comprises the following steps: S1, pasting a transfer pasting film; s2, removing the redundant transfer film in the step S1; s3, the surface of the annular part is engraved, the transfer film in a non-welding area is cut off and engraved according to welding needs to form a part to be sprayed, the end face of the side, attached to the transfer film, of the annular part is upwards arranged on the base in a sleeving mode, the pressing plate assembly is pressed on the transfer film, the base is rotated, and engraving is conducted through relative rotation ...

HIGH-SPEED MILLING MICRO LUBRICATION LIQUID SUPPLY NOZZLE STRUCTURE, SEPARATION AND RECOVERY MECHANISM AND SYSTEM

A high-speed milling micro lubrication liquid supply nozzle structure, a gas-liquid separation and recovery mechanism and a system, the nozzle structure comprising at least two nozzle bodies. Mixing channels are arranged in the nozzle bodies; a gas pipeline (I-16) and a lubricating oil pipeline (I-17) are disposed in a pipeline shell (I-18), and both the gas pipeline (I-16) and the lubricating oil pipeline (I-17) are disposed around a center point of the pipeline shell (I-18). Said structure may effectively prevent splattering of chips and fog droplets, and reduce the harm to the environment and operators. The gas-liquid separation and recovery mechanism may be used to separate a lubricating agent, chips and gas, thereby reducing pollution to the environmental.

米包装袋（久香圆）

文胸(深V无痕)

纪念章（葫芦形-水）

纪念章（葫芦形-土）

High -voltage testing intelligence fence device

... 本实用新型公开了一种高压试验智能电子围栏装置，旨在提供一种使用方便的高压试验智能电子围栏装置。它包括两个磁力表座、两个双鉴探测器、无线信号收发装置、声光报警器以及无线电源插座；所述磁力表座包括带手柄的座体，以及安装于座体上的万向臂；两所述双鉴探测器分别安装于两磁力表座的万向臂的夹持端，其中一个双鉴探测器设置于高压试验区域外侧，并通过无线信号收发装置与声光报警器通信连接；另一个双鉴探测器设置于高压试验区域内侧，并通过无线信号收发装置与无线电源插座通信连接。本实用新型可靠性强，使用方便，可极大的减少监护人员的投入，降低高压试验的人力成本。 ...

Mechanical hand of automobile hand gear test

... 本实用新型提供一种汽车手排挡测试机械手，用于汽车手排挡的疲劳测试，所述汽车手排挡测试机械手包括：机械手连接手柄固定座，用于连接所述汽车手排挡手柄；执行机构，包括连接至机械手连接手柄固定座的相互垂直的X轴驱动器和Y轴驱动器，驱动汽车手排挡手柄沿着X轴和Y轴运动，实施换挡操作。 ...

Wood chip automatic mixing warehouse for composition board production line

... 种用于复合板生产线的木片自动配比料库，它包括氯化镁自动配比溶解池、氯化镁溶液罐、自动称重下料机构、强制搅拌机、氧化镁自动投料机构和混合料下料仓，氯化镁溶液罐的进料口与氯化镁自动配比溶解池的出料口相通，自动称重下料机构的进料口与氯化镁溶液罐的出料口相通，本发明的推广能够提供种全自动称重配比的种用于复合板生产线的木片自动配比料库，配比精度高，稳定高效，大大提高复合板成品质量的稳定性。 ...

Hemostatic fibrous membrane with asymmetric structure and preparation method thereof

The invention discloses a hemostatic fibrous membrane with an asymmetric structure and a preparation method of the hemostatic fibrous membrane, and belongs to the technical field of hemostatic material preparation. According to the technical scheme, a hydrophobic fiber membrane is prepared through electric blowing spinning, PAA/PEI-CMC powder is sprayed in the hydrophobic fiber membrane while electric blowing spinning is conducted, and a hydrophilic fiber layer is prepared; then, the PAA/PEI-CMC powder is stopped from being sprayed, electric blowing spinning continues to be carried out, and a hydrophobic fiber layer is prepared; the hydrophilic fiber layer and the hydrophobic fiber layer form the hemostatic fiber membrane with an asymmetric structure. The hemostatic fibrous membrane with the asymmetric structure is prepared by a one-step method, has the asymmetric structure with strong adhesive force, and can effectively realize rapid blood coagulation and in-vivo hemostasis.

Slide separating device and working method thereof

The invention discloses a slide separating device and a working method thereof, and relates to the technical field of medical instruments.The slide separating device comprises a workbench, a plurality of supporting legs are evenly installed at the bottom of the workbench, a baffle is installed at the top of the workbench, and two sliding holes are formed in one side of the workbench; and connecting rods are slidably mounted in the two sliding holes correspondingly, a moving plate is mounted at one ends of the two connecting rods, a mounting plate is mounted on the moving plate through a lifting assembly, and a sliding rod is mounted on one side of the mounting plate. According to the glass slide placing device, when a glass slide needs to be placed in a placing box, a glass slide support is placed on the surface of a workbench and attached to a positioning block, the glass slide support is well placed through a positioning rod, then a lifting motor is started to drive a lifting threaded ...

Mobile robot with sound wave growth promoting function

The invention belongs to the technical field of robots, and discloses a mobile robot with a sound wave growth promoting function, which is started through a wireless remote control module, realizes autonomous obstacle avoidance and ensures safe driving by using an infrared sensor, measures the temperature and relative humidity of a crop growth environment through a temperature and humidity sensor, acquires an image of a plant to be promoted to grow through a visual sensor, and displays the image. The acquired temperature and humidity data and plant images are transmitted to the control module, the self-sounding frequency of the plant and the sound wave intensity required by growth promotion are determined, an electric signal of which the frequency is the self-sounding frequency of the plant is transmitted to the power amplifier, and finally, the electric signal is converted into sound waves through the transducer or the transducer array, and the sound waves are transmitted in an air medium ...

Inclination-adjustable anti-subsidence foundation of power transmission tower

The inclination-adjustable anti-subsidence foundation comprises a starting device and at least four adjustable jacks, and the four adjustable jacks are correspondingly arranged between the top faces of four foundation main columns and the bottom faces of tower legs of the power transmission tower respectively. The shape of the adjustable jack corresponds to the shape of the tower leg and the shape of the foundation main column, a limiting plate is arranged on the side portion of the adjustable jack, and a bolt hole is formed in the limiting plate; foundation bolts are arranged to penetrate through the bolt holes of the tower legs and the bolt holes of the limiting plates and are fixed to the foundation main column, the foundation bolts are fixed through locking nuts, and the locking nuts are located at the tops of the tower legs; the starting device is used for being connected with the adjustable jack. And timely straightening of the iron tower is realized in a time-saving and labor-saving ...

Application of 2-roots alcohol in inhibiting bacteria, promoting plant growth and/or inducing plants to generate resistance

The invention provides an application of 2-roots alcohol in inhibiting bacteria, promoting plant growth and/or inducing plants to generate resistance, and also provides a method for inhibiting bacteria, promoting plant growth and/or inducing plants to generate resistance, and a biopesticide, a plant resistance inducer and a plant growth regulator. According to the invention, the feasibility of the 2-roots alcohol as a plant growth regulator, a resistance inducer and a biopesticide is directly defined and proved in field experiments. Compared with other methods of biological pesticides and growth regulators, the application and the method have the advantage of being easy and convenient to operate, the requirement for outdoor spraying conditions is low, and the method can be applied and popularized in fields.

Mobile hybrid-based applet solution

The invention discloses a mobile hybrid-based applet solving method. The mobile hybrid-based applet solving method is provided with two parts, namely a mobile terminal applet buffer and a mobile terminal applet loader, the method comprises the following steps of: 1) downloading, decompressing and updating a local cache applet in an applet cache to achieve dynamic issuing of a service and repeated use of the service after one-time loading; 2) an applet loader: calling a native application function of the APP; and cache information is shared, so that a complete service based on HTML can be normally used in a native APP, the realization of functions can be completed by using an applet, and multi-terminal use can be realized through one-time development; the method comprises the following steps: packaging and compressing HTML page functions originally used for being published on a server and corresponding APP resources through a standard zip format to generate a local applet package; when the ...

High-precision laser angle measurement method

The invention relates to a high-precision laser angle measurement method, which comprises the following steps of: firstly, establishing a Gaussian beam model of actual laser propagation, and establishing a relation model between a beam azimuth angle resolving value and an actual beam azimuth angle according to the Gaussian beam model; secondly, on the basis of the relation model, introducing a hyperbolic tangent function, and carrying out rough estimation on the azimuth angle of the light beam to obtain a rough estimation value of the azimuth angle of the light beam; constructing a BP neural network model, configuring network parameters, and performing high-precision modeling on the rough estimation value of the azimuth angle of the light beam and the actual azimuth angle of the light beam to obtain an accurate angle measurement model; and finally, inputting the rough estimation value of the azimuth angle of the light beam into the configured BP neural network by using the accurate angle ...

Thermal power generating unit pollutant emission control method based on coal quantity variable speed regulation

The invention relates to a thermal power generating unit pollutant emission control method based on coal quantity variable-speed regulation, which comprises the following steps of: performing nitrogen oxide emission control on an upper-layer coal mill, a middle-layer coal mill, a lower-layer coal mill and a middle-upper-layer coal pulverizing system, and controlling SO2 or dust emission. The method has the beneficial effects that the rotating speed adjusting characteristic of the variable-rotating-speed coal mill is utilized, according to the influence of different coal pulverizing systems and combustion coal types on pollutant generation, rapid coal quantity distribution and coal pulverizing system output adjustment are carried out in the rapid load changing process, pollutant generation is reduced or inhibited from the source side, and the pollution is reduced. The pressure of environmental protection equipment output adjustment under the rapid variable load working condition is relieved ...

Integrated processing device for transformer lug plate

The invention discloses a transformer lug plate integrated processing device which comprises a mounting platform, a high-pressure oil pump and a driving motor connected with the high-pressure oil pump are mounted in the mounting platform, a cutting mechanism and a punching mechanism are arranged on the mounting platform and used for cutting and punching a lug plate, and a bending mechanism is arranged on one side of the mounting platform and used for bending the lug plate. The high-pressure oil pump is connected with a hydraulic oil main pipe, the hydraulic oil main pipe is communicated with a first oil distribution pipe, a second oil distribution pipe and a third oil distribution pipe through a four-way valve, and when the punching device is used, oil can be supplied to the punching mechanism through the first oil distribution pipe, oil can be supplied to the cutting mechanism through the second oil distribution pipe, and oil can be supplied to the bending mechanism through the third oil ...

Traction motor vibration test tool and method

A traction motor vibration test tool comprises a bottom plate fixed with a vibration test bench, and is characterized in that a disc-shaped round boss is installed on the bottom plate, the round boss is arranged in the center of the bottom plate, the installation height of the round boss on the bottom plate is adjustable, a traction motor is horizontally arranged on the bottom plate, an upper suspension of the traction motor is detachably connected with the bottom plate, and the traction motor is arranged on the bottom plate. And the lower suspension is detachably connected with the circular boss. Synchronism of the upper suspension and the lower suspension in the vibration process is guaranteed, the vibration working condition of the traction motor during actual installation is simulated, the test reliability is improved, the traction motor is horizontal, the upper suspension and the lower suspension are fixed to the tool, the low-frequency drifting phenomenon in the low-frequency range ...

FRESH-KEEPING AND STERILIZING APPARATUS FOR REFRIGERATOR, AND CONTROL METHOD

A fresh-keeping and sterilizing apparatus for a refrigerator, and a control method. The fresh-keeping and sterilizing apparatus for a refrigerator comprises an electric control board, a direct-current high-voltage power supply, and an ion generator all sequentially connected. The ion generator comprises a positive ion discharge electrode and a negative ion discharge electrode. An output direct-current high-voltage of the ion generator can be adjusted when an input voltage is constant, and high voltages required by fresh keeping and sterilizing are separately obtained. By adjusting the designed circuit of the direct-current high-voltage power supply inside the ion generator, the output voltage of the ion generator is switched, and the problem is solved that a conventional ion generator for a refrigerator can only output a fixed direct-current high-voltage and only can implement the fresh keeping function or the sterilizing function when the input voltage is constant, but in the present invention ...

THAWING APPARATUS FOR REFRIGERATOR

Disclosed is a thawing apparatus for a refrigerator, comprising a thawing room (1). The thawing room comprises a housing (11), a liner (12) and a door body (13). An electromagnetic wave excitation module (141), an electromagnetic wave high-voltage oscillation module (142) and a monitoring module (143) used for monitoring a food temperature are provided inside the thawing room. The electromagnetic wave excitation module, the electromagnetic wave high-voltage oscillation module and the monitoring module are electrically connected to one another. A first electrode (21) and a second electrode (22) which are used for being in contact with food are provided inside the thawing room. The first and second electrodes are electrically connected to the electromagnetic wave high-voltage oscillation module. A temperature sensor (23) electrically connected to the monitoring module is further provided inside the thawing room. The first and second electrodes release a high-frequency electromagnetic wave ...

Ce-Mn-based solid solution catalyst and preparation method and application thereof

The invention relates to the technical field of solid solution catalysts, in particular to a Ce-Mn-based solid solution catalyst and a preparation method and application thereof. The preparation method of the Ce-Mn-based solid solution catalyst provided by the invention comprises the following steps: mixing a mixed solution of soluble cerium salt and potassium permanganate with soluble manganese salt, adjusting the pH value to be greater than 7, sequentially performing oxidation-reduction reaction and aging, and calcining the obtained solid to obtain the Ce-Mn-based solid solution catalyst, wherein the calcination temperature is 400-600 DEG C, and the calcination time is less than 8 hours. The preparation method is simple and low in cost, and the prepared solid solution catalyst has good catalytic activity and catalytic stability and is suitable for large-scale industrial application.

Water-based enhanced coating as well as preparation method and application thereof

The invention discloses a water-based enhanced coating as well as a preparation method and application thereof, and relates to the technical field of coatings. The high-temperature-resistant fireproof coating is prepared from the following components in parts by mass: 13 to 17 parts of a fireproof material, 2 to 4 parts of a binder, 1 to 2 parts of a surfactant, 10 to 12 parts of a suspending agent, 0.003 to 0.005 part of a defoaming agent and the balance of water, the mass fraction of the total organic matter components in the water-based enhanced coating is less than 20%; the density of the water-based enhanced coating is 1.06 g/cm < 3 > to 1.09 g/cm < 3 >. The method can be applied to casting green sand surface spraying, the high-temperature resistance and anti-scouring performance of the sand mold surface are improved, the high-temperature strength of the sand mold is improved, and the casting surface quality is improved.

REFRIGERATOR CAPABLE OF SWITCHING BETWEEN PRESERVATION MODE AND STERILIZATION MODE

Provided is a refrigerator capable of switching between a preservation mode and a sterilization mode, comprising an ionizer (1) provided in the refrigerator and a control system used for controlling the voltage of the ionizer (1). The control system realises switching between the preservation mode and the sterilization mode by adjusting the voltage of the ionizer (1). The refrigerator of such a structure has the advantages of flexible and convenient control, and better effects of food refrigeration, etc.

NANOWIRE GIANT PIEZO-RESISTIVE PROPERTY MEASUREMENT DEVICE AND MANUFACTURING METHOD THEREFOR

Provided are a nanowire giant piezo-resistive property measurement device and a manufacturing method therefor. The measurement device comprises: a nanowire (6); a platinum resistance temperature sensor (1); an electrothermal actuator (2); a capacitive measurement-based displacement sensor (3); an electrode (4); and a capacitive measurement-based load sensor (9). The platinum resistance temperature sensor (1), the electrothermal actuator (2), the displacement sensor (3), and the load sensor (9) are connected sequentially. There are four electrodes (4). The four electrodes (4) are disposed between the displacement sensor (3) and the load sensor (9). The nanowire (6) is disposed between two horizontally placed electrodes (4). The electrodes (4) are disposed at an upper side and a lower side of the nanowire (6). The measurement device and the manufacturing method therefor can realize concurrent measurement of a mechanical property and an electrical property of the nanowire (6), thereby completing ...

Vehicle air conditioner compressor crankshaft mills eccentric orfice anchor clamps

... 本实用新型涉及汽车空调压缩机曲轴加工设备领域，尤其是种汽车空调压缩机曲轴的铣偏心孔夹具，它包括基板，在基板上设置有固定凹模和活动凹模，在固定凹模的侧边设置有与曲轴主体的半侧配合的内凹结构，在活动凹模的侧边设置有与曲轴主体的另外半侧配合的内凹结构，在固定凹模与活动凹模配合时，两个内凹结构配合形成对曲轴主体限位配合的腔体，在内凹结构内部与曲轴上的定位孔对应区域设置有与定位孔配合的定位销；靠近活动凹模侧的基板上设置有气缸，气缸的伸缩端与活动凹模固定连接；该汽车空调压缩机曲轴的铣偏心孔夹具，通过固定凹模和活动凹模的配合，实现曲轴的精确定位，而且定位简单方便，能提高加工效率和确保加工精度。 ...

Urban agglomeration combination trip chain extraction method and system based on mobile phone signaling big data

The invention discloses an urban agglomeration combined trip chain extraction method based on mobile phone signaling big data, and the method comprises the following specific steps: obtaining mobile phone signaling big data in an urban agglomeration range from a communication operator, and designing different types of abnormal data preprocessing algorithms, the method comprises the following steps: respectively processing four types of abnormal mobile phone signaling data including repeated data, default data, ping-pong data and drift data, designing an automatic machine learning algorithm to identify a travel mode of each travel track point in the mobile phone signaling big data, and setting a corresponding parameter table for five different travel modes, and finally, the purpose of extracting the urban agglomeration multimode combined trip chain from the mobile phone signaling big data is achieved. The method provided by the invention is beneficial to further mining the data value of ...

Urban sewage biological treatment system and method for improving phosphorus and nitrogen removal efficiency

The invention provides an urban sewage biological treatment system and method for improving phosphorus and nitrogen removal efficiency. The town sewage biological treatment system comprises a pre-anoxic zone, an anaerobic zone, a denitrification phosphorus removal zone, an anoxic zone, an anoxic/aerobic switching zone, an aerobic zone, an oxygen elimination zone, a rear anoxic zone, a rear aerobic zone and a solid-liquid separation zone which are arranged in sequence, a water outlet of the oxygen elimination zone is connected with a water inlet of the denitrification phosphorus removal zone, part of sludge in the solid-liquid separation zone flows back to the pre-anoxic zone, and a carbon source is added to the water inlet ends of the anaerobic zone, the anoxic zone and the rear anoxic zone. According to the town sewage biological treatment method, raw water carbon source waste can be reduced, energy consumption and external carbon source dosage are reduced, flexible adjustment of the operation ...

Automobile air outlet control method and system, storage medium and intelligent terminal

The invention relates to an automobile air outlet control method and system, a storage medium and an intelligent terminal, and relates to the field of automobile air conditioners. Seat image information is acquired; judging whether figure feature information exists in the seat image information or not; if yes, seat number information and vacancy number information are acquired; target air outlet number group information and vacant air outlet number group information are determined; determining air outlet effect information; determining air outlet information of a direct blowing air outlet; the air outlets corresponding to the target air outlet number group information are subjected to air outlet according to the direct blowing air outlet air outlet information; if not, air blowing is not carried out; and when the character feature information does not exist, the air outlets corresponding to all the vacant air outlet number group information are subjected to air outlet according to the direct-blowing ...

NEUROSURGICAL ULTRASOUND FOCUS ASSIST THREE-STAGE ATOMIZATION COOLING AND POSTOPERATIVE WOUND FILM FORMING DEVICE

A neurosurgical ultrasound focus assist three-stage atomization cooling and postoperative wound film forming device, comprising a transducer housing (404), a horn II (4014) being disposed within the transducer housing (404); at least two layers of piezoelectric ceramic sheets II (4015) are disposed at a top portion of the horn II (4014), an electrode plate (4016) that is connected to an ultrasonic generator being disposed between the two adjacent layers of piezoelectric ceramic sheets II (4015); a bottom portion of the transducer housing is a hemispherical structure, and a plurality of piezoelectric elements (4011) that are connected to the ultrasonic generator are disposed at an inner side of the spherical structure; a nozzle (4013) is disposed at a bottom portion of the horn II (4014), the nozzle (4013) being connected to a medical nano fluid storage cup (608), and compressed gas may be introduced into the nozzle (4013), while an inner side of the nozzle (4013) is further provided with ...

ORGANIC COMPOUND, AND ELECTRONIC ELEMENT AND ELECTRONIC DEVICE USING SAME

The present application relates to an organic compound, and an electronic element and an electronic device using same. The structural formula of the organic compound is shown as formula 1. According to the organic compound provided in the present application, the light-emitting efficiency of an organic electroluminescent device using the organic compound can be improved, and the conversion efficiency of a photoelectric conversion device using the organic compound can be improved.

A plurality of on-line of the outdoor unit module and utilize the module heating and at the same time defrosting method

... 本发明公开种多联机的室外机模块及利用该模块制热并同时除霜的方法，该模块包括压缩机(1)、四通换向阀(2)、两个室外换热器、两个外机电子膨胀阀和五个电磁阀；压缩机(1)与四通换向阀(2)、第电磁阀(7)、第二电磁阀(8)连通；四通换向阀(2)与第三电磁阀(9)、第四电磁阀(10)连通；第电磁阀(7)、第三电磁阀(9)和第室外换热器(3)连通，第二电磁阀(8)、第四电磁阀(10)和第二室外换热器(5)连通；两个室外换热器之间设有带第五电磁阀(11)的连通管(13)；该方法的关键在于：个室外换热器常规制热循环而另个室外换热器同时进行除霜循环。该模块及方法在除霜过程中能同时持续对房间制热。 ...

Sedimentation tank for flocculation

The sedimentation tank comprises a sedimentation tank body, a first supporting plate and a second supporting plate are installed on the outer walls of the two sides of the sedimentation tank body correspondingly, and a first hydraulic cylinder and a second hydraulic cylinder are installed at the top of the first supporting plate and the top of the second supporting plate correspondingly; a first hydraulic telescopic rod and a second hydraulic telescopic rod are arranged at the top of the first hydraulic cylinder and the top of the second hydraulic cylinder correspondingly, and a first mounting plate and a second mounting plate are mounted at the top end of the first hydraulic telescopic rod and the top end of the second hydraulic telescopic rod correspondingly. A first connecting plate and a second connecting plate are mounted on one side of the upper surface of the first mounting plate and one side of the upper surface of the second mounting plate correspondingly, and a rotating shaft ...

Light-weight assembling type quick connection operating rod

The utility model discloses a light-weight assembling type quick connection operating rod which comprises a fixing rod, a first connecting rod is installed at one end of the fixing rod, a second connecting rod is installed at the other end of the fixing rod, and a first connecting part is installed at the end of the first connecting rod and used for installing a carrier through the first connecting part. A second connecting part is installed at the end of the second connecting rod and used for being locked with the first connecting part through the second connecting part, so that the problems that an existing operating rod is large in weight, and balance of the operating rod is difficult to control after the operating rod is lengthened when a ground wire is hung on a high-altitude line or equipment are expected to be solved.

Exempt from flip rubbish recycling bin

... 本实用新型公开了种免翻盖垃圾回收桶。目前的垃圾回收桶，当向桶内丢入垃圾时，必须先用手翻起桶盖而使手部被污染，不卫生。本实用新型包括桶身和盖在桶身上的上盖，其特征在于，所述的上盖上连接可向下打开的活门，上盖上开有用于放置活门的通孔，所述的活门与上盖之间装有用于活门自动复位的复位弹簧。本实用新型与现有技术相比具有的有益效果是：采用这种活门结构，无需翻起上盖即可使垃圾通过自身重量落入桶身中，活门通过复位弹簧自动复位，使用方便且卫生；同时，防水契榫结构可防止雨水等进入桶内。 ...

Composite adsorption material as well as preparation method and application thereof

The invention provides a composite adsorption material as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing hydrogel balls by taking montmorillonite minerals, agar and sodium alginate as raw materials; and carrying out composite culture on the hydrogel balls and bacillus cereus under inorganic salt oligotrophic conditions, and carrying out solid-liquid separation after culture to obtain the gel composite adsorption material. The prepared microorganism-mineral (micro-mineral) composite adsorption material is high in product purity, and can be applied to treatment of uranium-containing wastewater (low concentration), for example, as a UO2 < 2 + > adsorbent applied to treatment of radioactive wastewater. The method is low in preparation cost, contributes to relieving the environmental pressure of radioactive wastewater, and has good environmental and economic benefits.

Automatic vaccine injection equipment for pigs

The invention relates to the field of pig vaccine injection, in particular to automatic pig vaccine injection equipment. Comprising a first support, an overturning door pushing device, a fixing unit, an injection unit, a conveying unit, a disinfection spraying device and an excrement collecting device, after a pig enters the first support, the fixing unit sends out an instruction through an infrared camera, the fixing unit clamps the abdomen of the pig, the disinfection spraying device disinfects the pig, and the excrement collecting device collects excrement in the first support; a pig can be moved to a designated injection position through the conveying unit, injection can be conducted on the left side and the right side of the pig in any direction through the injection device, and after vaccine is injected to the pig, the whole set of injection process is completed by loosening the first fixing unit and canceling fixing of the pig; a pig can be suspended and fixed in all directions, ...

ADJUSTABLE ION STERILIZATION SYSTEM AND REFRIGERATOR THEREOF

The present invention relates to an adjustable ion sterilization system and a refrigerator thereof. The system comprises an ion generation device and an electric control panel which is used for controlling the ion generation device, and the system also comprises a selection switch, wherein the ion generation device comprises a plurality of pairs of positive and negative ion output ends; and the selection switch is used for controlling the turning on and off of some positive and negative ion output ends. The ion generation device comprises a high-voltage trigger module and a boosting module which are connected, wherein the input end of the high-voltage trigger module is electrically connected to the electric control panel, and the output end of the boosting module is directly connected to a first section of positive and negative ion output ends; and the output end of the boosting module is also connected to a second section of positive and negative ion output ends through the selection switch ...

Feeding device for solid raw materials

The invention discloses a feeding device for solid raw materials, and the feeding device comprises a material storage device which is provided with a material storage cavity for containing the solid raw materials and a material outlet communicated with the material storage cavity; the first sealing plug is movably arranged in the material storage cavity, and in a first state, the first sealing plug is connected with the discharging opening in an inserted mode and seals the discharging opening; in the second state, the first sealing plug is separated from the inner wall of the discharging opening; the driving mechanism is connected with the first sealing plug and can drive the first sealing plug to move so that the first sealing plug can be switched between the first state and the second state. According to the feeding device for the solid raw materials, the feeding speed can be better controlled, and the possibility that the discharging opening is blocked is reduced.

Metal-organic framework nano hybrid as well as preparation method and application thereof

The invention relates to a metal-organic framework nano hybrid as well as a preparation method and application of the metal-organic framework nano hybrid, and the metal-organic framework nano hybrid is characterized in that an LMND (LMND at ZIF-90) modified LMND (LMND at ZIF-90) nano hybrid material is constructed through ultrasonic synthesis. Due to the fact that the imidazole-metal combination effect is strong, the LMND-coated ZIF-90 shows good water phase dispersity. The surface of the LMNDs is covered with ZIF-90, so that charges carried by the nano liquid drops are changed from negative charges to positive charges. Due to opposite charges of the ZIF-90 and the LMNDs, the stability of the LMND ZIF-90 is improved, and electrons and holes in the ultrasonic process can be captured through electrostatic interaction to achieve separation of the LMND ZIF-90. The LMND (at) ZIF-90 stock solution can store acoustic chemical energy and continuously release active oxygen (. O2 <->,. OH and < 1 ...

MULTI-FUNCTIONAL FRESH-KEEPING DEVICE AND CONTROL METHOD THEREFOR AND REFRIGERATION DEVICE

A multi-functional fresh-keeping device and a control method therefor and a refrigeration device. The multi-functional fresh-keeping device comprises an ionizer (110), a fresh-keeping mode circuit, a disinfecting mode circuit and a control system. The control system is connected to the ionizer (110) by means of the fresh-keeping mode circuit and the disinfecting mode circuit respectively. The multi-functional fresh-keeping device further comprises a filtering module (120) and an air supply mechanism (130) that are connected to the control system. The filtering module (120) is used for purifying air, and the air supply mechanism (130) is used for accelerating gas circulation. When the control system controls the ionizer (110) to work by means of the fresh-keeping mode circuit, the control system controls the air supply mechanism (130) to work at the same time; when the control system controls the ionizer (110) to work by means of the disinfecting mode circuit, the control system controls ...

Composite board production line with short wood repeated utilization device

... 种带有短木重复利用装置的复合板生产线，涉及复合板生产技术领域，它包括复合板原料自动称重配比系统、复合板成型线（10）、复合板固化转运车（11）、复合板次固化室（12）、复合板二次固化室（13）和全自动复合板锯边机（14），复合板原料自动称重配比系统包括氯化镁自动配比溶解池（1）、氯化镁溶液罐（2）、自动称重下料机构（3）、强制搅拌机（4）、氧化镁自动投料机构（5）和混合料下料仓（6），氯化镁溶液罐（2）的进料口与氯化镁自动配比溶解池（1）的出料口相通，自动称重下料机构（3）的进料口与氯化镁溶液罐（2）的出料口相通；本发明的推广能够提供种稳定、高效，且良品率高的复合板生产线。 ...

Preparation method of strain/humidity sensing material with hydrophobic surface

The invention provides a method combining electrostatic spinning and ultrasonic cavitation technologies, and particularly relates to a simple method for preparing a sensor with hydrophobic surface strain/humidity dual functions, which comprises the following steps: preparing a TPU spinning solution and preparing a TPU fiber membrane through electrostatic spinning; the preparation method comprises the following steps: putting a TPU (Thermoplastic Polyurethane) fiber membrane into an AgNPs (at) CNTs (ACs) conductive dispersion liquid, and carrying out ultrasonic cavitation treatment in an ultrasonic cell crusher to prepare the ACT-C composite fiber membrane. ACs form a brush-shaped microstructure on the surface of the fiber, so that the surface roughness of the fiber membrane is increased, and the super-hydrophobicity of the surface is reflected; and preparing the ACT-C composite fiber membrane into the strain/humidity sensor. When the sensor is used for strain sensing, an ultralow detection ...

Multifunctional device for preventing power transmission line tower from being damaged by external force

The invention discloses an external damage prevention multifunctional device for a power transmission line tower, which is arranged around a tower foot of the power transmission line tower in a flood prevention area and comprises a concrete column, a spiral anchor rod and a horizontal grounding wire, the bottom of the concrete column and the top of the spiral anchor rod are connected through flange bolts. The concrete column is positioned above the spiral anchor rod; the spiral anchor rod is fixed under the ground; one part of the concrete columns are located under the ground, and the other part of the concrete columns are located above the ground and are perpendicular to the ground; the horizontal grounding wire is positioned below the ground and is flush with the position of the flange; one end of the horizontal grounding wire is connected with a grounding hole reserved in the flange, and the other end of the horizontal grounding wire is connected with a ground wire on the tower leg of ...

DEVICE FOR RECYCLING, SEPARATING AND PURIFYING OIL MIST DURING MINIMUM QUANTITY LUBRICANT GRINDING AND MACHINING PROCESS

A device for recycling, separating and purifying oil mist during a minimum quantity lubricant grinding and machining process, comprising: a wind power separation mechanism and a filtering and recycling mechanism, wherein the wind separation mechanism comprises a pipeline and a draught fan (4) which is fixedly connected to one end of the pipeline; the draught fan (4) is used for forming negative pressure in the pipeline; at least one tapered filter net mechanism (5) is provided in the pipeline; the tip of the tapered filter net mechanism (5) faces one side of an air inlet direction of the pipeline; the filter and recycling mechanism is connected to the pipeline and comprises a tank body (9), a filter mechanism and a recycling mechanism; the tank body (9) is connected to the pipeline by means of a connecting part; and the filter mechanism is connected to the recycling mechanism.

Comprehensive investment benefit optimization system and method based on power distribution network

The invention provides a comprehensive investment benefit optimization system and method based on a power distribution network, and relates to the technical field of power distribution networks. A comprehensive investment benefit optimization system based on a power distribution network comprises an index establishment module, a technical benefit evaluation module, a benefit statistics module, an economic benefit evaluation module, an investment decision module, a social benefit evaluation module, a central control unit and an environmental benefit evaluation module. The index establishing module comprises a technical index establishing unit, an economic index establishing unit, a social index establishing unit and an environment index establishing unit. According to the method, benefit prediction units in a technical benefit evaluation module, an economic benefit evaluation module, a social benefit evaluation module and an environmental benefit evaluation module are used for predicting ...

Rapid detection method for performance evaluation of nitrogen and phosphorus removal biological system

The invention belongs to the technical field of sewage treatment, and relates to a rapid detection method for performance evaluation of a nitrogen and phosphorus removal biological system, and the method comprises the following steps: testing the biological nitrogen and phosphorus removal rate of sludge, testing the whole process of the biological system, and analyzing test data. A nitrogen and phosphorus removal test method can be used for mastering the optimal potential of nitrogen and phosphorus removal of microorganisms in a short time; the whole process test of the biological system is refined to each functional unit, a core control index of each functional unit is provided, and a sampling point location is optimized, so that the number of sampling and testing samples is reduced, the overall test time is shortened, and the practical problem of data missing of the functional units is solved; the test data is combined with process operation parameter analysis, the theoretical conversion ...

Polishing machine for polytetrafluoroethylene pipe production and processing

The invention discloses a grinding machine for polytetrafluoroethylene pipe production and processing, and relates to the technical field of grinding machines, the grinding machine comprises a bottom plate, a mounting plate is mounted at the top of the bottom plate, two long plates are mounted on one side of the mounting plate, and circular blocks are mounted on the sides, close to each other, of the two long plates; a plurality of insertion holes are uniformly formed in one side of the circular block, hollow blocks are mounted in the insertion holes, two circular through holes are symmetrically formed in the peripheral side of each hollow block, and sliding rods are slidably mounted in the circular through holes. During use, a plurality of polytetrafluoroethylene tubes are sequentially inserted into insertion holes, a synchronous motor is started, a driving gear is driven to rotate, a plurality of driven gears are made to rotate, and a rotating threaded rod is driven to move towards a ...

High-density interconnection circuit board and manufacturing method thereof

The invention relates to the technical field of circuit board manufacturing, in particular to a high-density interconnection circuit board and a manufacturing method thereof. Comprising a first substrate and a second substrate, and the second substrate covers the first substrate; wherein the first substrate comprises a first conducting layer, a second conducting layer and a first insulating layer; the second substrate includes a third conductive layer and a second insulating layer. According to the high-density interconnection circuit board, it can be guaranteed that the wire circuits located on the first substrate have good thickness uniformity, the quality of the circuit board is greatly improved, meanwhile, raw material waste caused by the fact that the thickness of etched and thinned copper is large can be avoided, and cost is saved.

Electrolytic bath pole plate, electrolytic unit and electrolytic bath

The invention discloses a polar plate of an electrolytic bath, an electrolysis unit and the electrolytic bath. The polar plate comprises a first surface, the first surface is provided with a first flow field area and a second flow field area which surround the center of the polar plate, and the first flow field area is concentrically arranged around the second flow field area; each of the first flow field area and the second flow field area in the radial direction of the polar plate comprises a plurality of annular drainage layers which are arranged layer by layer from inside to outside, and an annular fluid channel is formed between every two adjacent drainage layers; each drainage layer comprises drainage columns which are arranged at intervals in the circumferential direction, radial fluid channels are formed between the drainage columns which are arranged at intervals, the annular fluid channels are communicated with the radial fluid channels, and the radial fluid channels in every ...

NETWORK DISASTER RECOVERY METHOD AND SYSTEM

A network disaster recovery method and a network disaster recovery system relate to the field of IP communications, and solve the problem of global network breakdown due to a failure occurring at a Session Initiation Protocol (SIP) distribution agent device. The method comprises: when failing to process a received service request, a first SIP distribution agent device transferring the service request to a second SIP distribution agent device, where the first SIP distribution agent device and the second SIP distribution agent device not only serve as backup apparatuses for each other but also work normally; and the second SIP distribution agent device processing the service request transferred by the first SIP distribution agent device. The technical solution provided in the present invention is applicable to an SIP network and implements a flexible and reliable backup mechanism.

ELECTROSTATIC-ATOMIZATION ULTRASONIC WAVE ASSISTED LOW-DAMAGE AND CONTROLLABLE BIOLOGIC BONE GRINDING PROCESS AND APPARATUS

Disclosed are an electrostatic-atomization ultrasonic wave assisted low-damage and controllable biologic bone grinding process and apparatus. The electrostatic-atomization ultrasonic wave assisted low-damage and controllable biologic bone grinding process and apparatus solve the problem in the prior art of severe bone debris blockage, and has good cooling effect and high operation efficiency. The solution is as follows: an electrostatic-atomization ultrasonic wave assisted low-damage and controllable biologic bone grinding apparatus comprises: a rotatable main shaft; a water-catching grinding tool for grinding a biologic bone, the main shaft being connected to the water-catching grinding tool by means of an ultrasonic vibration mechanism, and driven by the main shaft and the ultrasonic vibration mechanism, the water-catching grinding tool achieving a longitudinal motion and a rotation motion; a cooling and film-forming mechanism provided at one side of the water-catching grinding tool and ...

Engine start relief pressure valve mechanism

... 本实用新型提供一种发动机启动减压阀机构，包括凸轮轴、正时从动链轮、减压凸轮、减压器座、离心飞块；正时从动链轮设置在凸轮轴的端面并通过链条与曲轴连接；减压器座压紧于链条上面，并通过定位销固定在凸轮轴上；离心飞块固定在减压器座上，并连接有复位弹簧；其中，在离心飞块设置有滑槽；减压凸轮穿过正时从动链轮以及减压器座，减压凸轮为圆柱形，减压凸轮的一端通过圆柱销插入离心飞块的滑槽内，减压凸轮的另一端安装在凸轮轴上并伸入凸轮轴的基圆位置。本实用新型的发动机启动减压阀机构整体结构巧妙、安装简便、工作可靠。 ...

Method and system for identifying high-permeability zone of gas reservoir

The invention discloses a gas reservoir high-permeability zone identification method and system, and the method comprises the following steps: obtaining a gas reservoir well permeability cumulative probability curve and a high-permeability zone statistical table of each layer of a gas field, and calculating the ratio of the relative high-permeability zone average permeability to the reservoir average permeability according to the high-permeability zone statistical table of each layer of the gas field; calculating the ratio of the average permeability of the relative high-permeability zone to the average permeability of the surrounding rock; the method comprises the following steps of: partitioning and segmenting a high-permeability strip, and performing systematic analysis and demonstration through geological partitioning and layering statistics in combination with dynamic monitoring data; establishing a relative high-permeability zone division standard based on the gas reservoir well permeability ...

Monitoring system and method for wind generating set

The embodiment of the invention discloses a monitoring system and method for a wind generating set. The system comprises an SCADA (Supervisory Control And Data Acquisition) and a plurality of sets of control devices, a set of control device is arranged in each wind generating set; each set of control device comprises a controller and a plurality of hardware main control modules; the controller is used for detecting the running state of each connected hardware main control module and correspondingly sending the identifier of each hardware main control module and the display information matched with the running state of the hardware main control module to the SCADA; a display icon corresponding to each hardware main control module in the multiple sets of control devices is arranged in the SCADA, and the SCADA is used for displaying the display icon of at least one hardware main control module according to the received display information. According to the monitoring system and method of the ...

All-metal preset ball soluble bridge plug

The invention discloses an all-metal preset ball soluble bridge plug which comprises an all-metal soluble bridge plug body, a containing cavity and a limiting block are arranged in a guiding shoe of the all-metal soluble bridge plug body, an all-metal soluble preset ball is preset in the containing cavity, and the limiting block is used for limiting the all-metal soluble preset ball in the containing cavity; when the upper pressure of the all-metal soluble bridge plug is larger than the lower pressure of the all-metal soluble bridge plug, the all-metal soluble preset ball can block the bottom of the containing cavity, and a fluid channel on the lower portion of the guiding shoe is prevented from being communicated with a fluid channel of a central pipe of the all-metal soluble bridge plug. When the lower pressure of the all-metal soluble bridge plug is larger than the upper pressure of the all-metal soluble bridge plug, the all-metal soluble preset ball is limited in the containing cavity ...

METHOD AND SYSTEM FOR LOADING WEB PAGE IMAGES, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM

A method for loading web page images, a system for loading web page images (110, 120), an electronic device (100) and a readable storage medium. Said method for loading web page images comprises: receiving an operation instruction to load a web page image (S11); acquiring a data network which is currently connected (S12); loading an image according to the data network which is currently connected, wherein loading an image according to the data network which is currently connected comprises: if the data network which is currently connected is a first network, loading a preset high-resolution image, and if the data network which is currently connected is a second network, loading a preset low-resolution image corresponding to said preset high-resolution image (S13). In the present method for loading web page images, by means of acquiring a data network to which a smart terminal is currently connected, web page images of different resolutions are loaded according to differences in data networks ...

Macromolecular particle as well as preparation method and application thereof

The invention relates to a polymer particle and a preparation method and application thereof, the polymer particle is formed by crosslinking at least partially crosslinkable polymer materials including rigid nanoparticles, and at least one rigid nanoparticle has an aspheric symmetrical shape in a solution. The rigid nanoparticles at least partially form a basically ordered arrangement structure 5 in the polymer particles; when being used as a stationary phase for chromatographic separation, the polymer particles disclosed by the invention have excellent mechanical properties and good biocompatibility, and meanwhile, the separation effect can be effectively improved.

Wastewater denitrification device and denitrification method

The invention provides a wastewater denitrification device and a denitrification method, and belongs to the technical field of wastewater denitrification, the device comprises an anaerobic tower, an anoxic tank, an aerobic tank, a clarifier, a biological desulfurization filter, a methane dissolving tank, a methane anaerobic denitrification tank, a filtering device and a biological aerated filter which are sequentially communicated through liquid pipelines. The biological desulfurization filter tank is divided into two stages; the anaerobic tower, the primary biological desulfurization filter tank and the methane dissolving tank are sequentially communicated through a gas pipeline. According to the system, biogas generated in a traditional wastewater anaerobic treatment system can be used for biological denitrification after being purified, a carbon source does not need to be additionally added, screening, purification and enrichment of methane anaerobic denitrifying bacteria are achieved ...

High-precision measuring and calculating method for acceleration field of dynamic centrifugal machine

The invention relates to a high-precision measurement and calculation method for an acceleration field of a dynamic centrifugal machine, and belongs to the technical field of mechanical environment test and measurement. The specific coefficient of the linear change can be calculated by utilizing the acceleration measured values of a plurality of points on the dynamic centrifugal machine, so that the acceleration measured value at the sensitive position of the test piece on the dynamic centrifugal machine is obtained; and partial derivative analysis is carried out on a mathematical formula corresponding to the calculation process, so that the uncertainty of the measured value can be obtained. By means of the method, an acceleration field measuring and calculating system which is simple in structure, convenient to install and operate and high in precision can be designed, and the method is suitable for high-precision measuring and calculating of acceleration fields on various dynamic centrifugal ...

Separation and detection method for new impurities in indobufen tablets

The invention discloses a method for separating and detecting new impurities in indobufen tablets, and relates to the technical field of medicine detection. The new impurity is an impurity C. The method comprises the following steps: carrying out gradient elution by using a mobile phase A and a mobile phase B by using an HPLC (High Performance Liquid Chromatography) method and using hexadecyl bonded silica gel as a filler, and detecting in a detector, the mobile phase A being a perchlorate buffer solution; and the mobile phase B is tetrahydrofuran of 0.5% trifluoroacetic acid. The detection method is strong in specificity, high in sensitivity, good in accuracy, convenient to operate and capable of effectively controlling medicine quality.

A cutter for blade boss characteristic cutting process

... 本实用新型提供了一种用于叶片凸台特征切削加工的刀具，其能解决目前采用硬质合金球头刀对叶片凸台特征进行切削加工时易出现的加工时间长、加工效率低、刀具磨损严重、生产成本高以及叶片凸台表面质量低的问题。其为大角度锥度刀，其包括侧部圆锥面和底部R1角，侧部圆锥面与底部R1角光滑过渡连接成整体，底部R1角与待加工叶片凸台特征的R2角角度一致，侧部圆锥面为刀具切削刃。 ...

Chicken breeding equipment

The utility model discloses chicken raising equipment which comprises a material storage barrel, a stirring assembly, a raising pot and a bottom plate, a mounting frame is mounted at the top of the raising pot through bolts, water adding devices are mounted on two sides of the mounting frame through bolts, and the material storage barrel is mounted at the top of the raising pot through the mounting frame. Due to the fact that the discharging pipe is welded to the bottom of the material storage barrel, when supplementary feeding of feed is carried out, the barrel cover is screwed to be separated from the threaded opening in the top of the feeding opening, feed is fed into the material storage barrel through the feeding opening, and the feed enters the dry groove in the feeding basin through the discharging pipe at the bottom of the material storage barrel. When the feed in the dry tank is buried in the discharge port in the bottom of the discharge pipe, discharging is stopped, waste caused ...

Adjustable reducing double-groove cutter

The invention discloses an adjustable variable-diameter double-groove cutter. The adjustable variable-diameter double-groove cutter is used for carrying out one-time clamping machining on two grooves, with different depths and different radiuses, of a to-be-machined product. Due to the fact that the two grooving assemblies can be variable in diameter and adjustable in depth on the cutter body, one cutter handle is clamped to a machine tool spindle, and then one-time clamping machining can be conducted on two grooves of different depths and different radiuses of a product to be machined; the problem that the concentricity of multiple grooves cannot meet the requirement after multiple times of clamping machining on different machine tools is solved.

Method for controlling cold start of boiler through variable-speed regulation of rare earth motor medium-speed coal mill

The invention relates to a method for controlling cold-state starting of a boiler through variable-speed regulation of a rare-earth motor medium-speed coal mill, which comprises the following steps of: starting the boiler in a cold state, heating the coal mill through a primary air heater until a coal mill starting condition is reached, confirming that tiny-oil or plasma ignition flame detection is normal, and starting the coal mill and a coal feeder; and adjusting the coal feed amount correction coefficient k and the coal mill rotating speed coefficient x according to the boiler heating rate and the boiler boosting rate. The method has the beneficial effects that by reducing the rotating speed of the coal mill, the minimum coal feeding amount limitation of the coal mill is effectively reduced, stable temperature rise and pressure rise of cold-state starting of the boiler are achieved, and the situation that temperature rise and pressure rise are too fast when pulverized coal is fed during ...

Choke manifold is fixed glib with resistant erosion

... 本实用新型涉及种节流管汇用耐冲蚀固定油嘴，属于油气井放喷、测试地面压力控制、流量调节的重要工具。它主要由1油嘴壳体和2变径油嘴内套组成。其特点是，油嘴壳体外表面连接螺纹丝扣镀铜处理，防止与固定式节流阀装配时粘扣，变径油嘴内套设计上采用“逐渐缩小+等直径+逐渐扩大过流内腔”结构，且通体100mm全部堆焊厚度不小于4.0mm的YG8硬质合金碳化钨材料。本实用新型与现有等直径过流内腔固定油嘴相比，具有使流经的流体流速和压力平稳降低、压降缓慢下降、温降下降平缓（前后温度相差甚小）、高耐冲蚀性等优点，有效解决了油嘴出口端冲蚀问题，同时结构的改变节约了成本，延长了油嘴的使用寿命，提高了油气井地面节流效率，现场实用性强，应用效果显著。 ...

Water inlet grating plate for disinfection tank

The water inlet grating plate comprises a mounting frame body, a first grating plate body and a second grating plate body are mounted at the top of the mounting frame body, the first grating plate body is located at the front end of the second grating plate body, and the second grating plate body is located at the rear end of the second grating plate body. Wherein each of the first grating plate body and the second grating plate body comprises a steel plate, a top cover, a grating slotted hole, a groove, a pull ring, a positioning column and a first powerful magnet, the positioning columns are mounted at four corners of the bottom of the top cover, the first powerful magnet is mounted at the bottom end of each positioning column, and the steel plate is mounted in the center of the bottom of the top cover; a grating groove hole is formed in the steel plate, and positioning holes are formed in the two sides of the top of the mounting frame body. The water inlet grating plate solves the problem ...

Antioxidant composition as well as preparation method, cosmetic and application thereof

The invention discloses an antioxidant composition as well as a preparation method, cosmetics and application thereof. The antioxidant composition is prepared from the following components in parts by weight: 0.1 to 2 parts of disulfide glutathione, 1 to 8 parts of olive extract, 0.1 to 2 parts of thiotaurine, 1 to 5 parts of candida/glucose/rapeseed methyl oleate fermentation product, 5 to 10 parts of vegetable fat, 20 to 50 parts of polyhydric alcohol and 23 to 72.8 parts of water. The antioxidant composition disclosed by the invention can be stored for a long time, is not easy to discolor and inactivate, has remarkable antioxidant and whitening effects, has a remarkable inhibition effect on superoxide anions, hydroxyl radicals, DHHP and ROS, also has excellent antioxidant stability, and can be applied to skin care products as an additive.

Application of nicotinic acid to induction of plant defense related gene expression and disease resistance

The invention relates to application of nicotinic acid to induction of plant defense related gene expression and disease resistance. It is found that nicotinic acid has the effects of up-regulating expression of rice plant defense related genes OsCHI, OsPOX223, OsPAL and OsNPR1 and improving the disease resistance, especially rice blast resistance, of rice, and is an effective plant source induced disease-resistant agent.

Total station for municipal engineering surveying and mapping

A total station for municipal engineering surveying and mapping comprises a total station body and further comprises a base with universal wheels, and a ceiling capable of adjusting the vertical position is arranged above the base. A safety box capable of adjusting the vertical position is arranged on the front side of the base, a liftable lifting plate is arranged in the safety box, and the total station body is detachably mounted at the top of the lifting plate; a left safety side rod and a right safety side rod which can relatively swing are arranged on the inner side of the safety box, and a protection block for protecting and fixing the total station body is hinged to the upper side of each safety side rod; a sliding base capable of adjusting the front-back position is arranged in the middle of the top end of the base, and a supporting foot capable of adjusting the vertical position is arranged at the bottom of the rear side of the base. The problems that existing equipment is prone ...

Three-dimensional mapping system and method for indoor complex scene

The invention relates to the technical field of three-dimensional mapping, in particular to a three-dimensional mapping system and method for an indoor complex scene, and the method comprises the following steps: S1, obtaining three-dimensional point cloud data through a moving trolley, a rotating platform and a two-dimensional laser radar; s2, performing filtering processing on the three-dimensional point cloud data by using a filtering algorithm; s3, point cloud feature extraction is carried out; s4, controlling the mobile trolley to move to another position, repeating the steps S1-S3, performing point cloud registration based on the point cloud features extracted from the two positions, and analyzing and calculating attitude transformation of the two-dimensional laser radar; s5, calculating attitude transformation between two adjacent scans of the two-dimensional laser radar; s6, forming a three-dimensional point cloud picture; and S7, correcting and optimizing the pose of the two-dimensional ...

Loess area transformer substation retaining wall diversion device

The invention belongs to a transformer substation retaining wall flow guide device, and particularly relates to a transformer substation retaining wall flow guide device in a loess area, which is arranged at a protection slope at the lower part of a transformer substation retaining wall and comprises a flow guide pipe arranged in the protection slope, and one end of the flow guide pipe is connected with a flow guide filter ball positioned on the inner side of the protection slope. The interior of the ball body is filled with broken stones or fiber materials for preventing loess flowing in along with seepage water from being discharged, so that the flow guide requirement is met, the broken stones or filiform materials for filtering are prevented from being lost, and the transformer substation equipment instability fault caused by foundation subsidence due to the fact that the loess foundation in a transformer substation is scoured by seepage water and removed through a flow guide pipe is ...

Flue gas denitration device and method for gas turbine unit

The invention relates to a gas turbine unit flue gas denitration device and method, and the method comprises the steps: monitoring raw flue gas component parameters through a raw flue gas analyzer, starting an oxidation layer, moving an adsorption layer into a flue through a flue wall guide rail, recovering the adsorption layer to a regeneration pool along the flue wall guide rail and an in-pool guide rail, and emptying the regeneration pool through a liquid outlet pipe, and soaking the adsorption layer in the absorption liquid. The device has the beneficial effects that the regeneration tank is arranged below the flue, and the in-tank guide rail and the flue wall guide rail which are communicated are arranged, so that the adsorption layer can move between the flue and the regeneration tank, denitration operation and adsorption layer regeneration are realized, and the adsorption layer rises according to the concentration of nitrogen oxide in flue gas for denitration or regeneration; the ...

WIDTH-ADJUSTABLE PACKAGING BAG FORMING DEVICE, BAG MAKING DEVICE, PACKAGING MACHINE AND METHOD

Disclosed are a width-adjustable packaging bag forming device, a bag making device, a packaging machine and a method. The forming device (II-1) comprises two parts which are symmetrically arranged, with the width between the two parts being adjustable, wherein the middle part serves as a guide surface; two sides of the guide surface are side wings bending towards the middle part; and the parts exceeding the guide surface of the side wings in length are bent towards a back side of the guide surface to form rear inclined angles. The invention can achieve the effect that when a packaging film (I-5) passes by same, the packaging film (I-5) starts to bend back inwards at a certain angle. A screw rod and sliding block mechanism is used as a width adjusting device of an automatic width-adjustable noodle packaging bag forming device system, has an accurate adjustment range, is suitable for various widths of packaging bags, and is of great significance for the three-dimensional forming effect of ...

AUXILIARY HYDRAULIC SYSTEM AND CONCRETE PUMPING DEVICE

An auxiliary hydraulic system and a concrete pumping device. The auxiliary hydraulic system comprises a main oil pump (1), a stirring motor (7), a water-cleaning motor (9), a first reversing valve (6), and a second reversing valve (8). An oil inlet of the main oil pump (1) is connected to an oil tank, an oil outlet of the main oil pump (1) is connected to an oil inlet (P) of the first reversing valve (6), a first working oil port (A) and a second working oil port (B) of the first reversing valve (6) are connected to two oil ports of the stirring motor (7) respectively, an oil return port of the first reversing valve (6) is connected to an oil inlet of the second reversing valve (8), a first optional oil outlet and a second optional oil outlet of the second reversing valve (8) are connected to a first oil port of the water-cleaning motor (9) and the oil tank respectively, and a second oil port of the water-cleaning motor (9) is connected to the oil tank. The auxiliary hydraulic system can ...

SYSTEM AND METHOD FOR TRANSMITTING SESSION INITIATION PROTOCOL MESSAGES

A system and method for transmitting session initiation protocol (SIP) messages. The system includes: a core network element (202), a client terminal (204), a plurality of application servers (206), a first level SIP message distribution device (208), a SIP message authentication and forwarding device (210) and a second level SIP message distribution device (212). The present invention enables the concatenation among SIP distribution devices and large capability distribution of application servers.

Cab protection device for safe driving of automobile

The utility model belongs to the technical field of automobile safe driving, and particularly relates to a cab protection device for automobile safe driving, which comprises a mounting plate, a first protection plate and a second protection plate which are the same in structure, and two sides of the first protection plate and two sides of the second protection plate are both located below the mounting plate. During use, through installation of the installation plate and the connection rod on the inner top wall of an automobile, the first protection plate and the second protection plate are screwed and fastened through cooperation of screwing pieces, and the first protection plate and the second protection plate are connected in a screwed mode through the installation plate and the connection rod in a screwed mode. The safety protection device has the advantages that the stability of the positions of the first protection plate and the second protection plate is guaranteed, the safety of ...

Application of phenethyl alcohol in aspect of inducing plant resistance

The invention provides application of phenethyl alcohol in the aspect of inducing plant resistance. The model plant arabidopsis thaliana is taken as a test material, and the obvious resistance to the colletotrichum gloeosporioides of the arabidopsis thaliana can be generated after the induction of low-concentration phenethyl alcohol, and the disease condition of the colletotrichum gloeosporioides is The analysis on hormone and transcriptome in arabidopsis thaliana shows that phenethyl alcohol has a positive effect on the aspect of inducing the disease resistance of model plant arabidopsis thaliana, and is an effective plant source resistance inducer.

ORTHOPEDIC SURGERY GRINDING EXPERIMENTAL APPARATUS INTEGRATING COOLING AND ELECTROSTATIC ATOMIZATION FILM FORMATION

An orthopedic surgery grinding experimental apparatus integrating cooling and electrostatic atomization film formation, comprising a linear triaxial platform which is able to move forth and back, left and right, and up and down, an electrical spindle (28), and a workpiece fixation means. The linear triaxial platform comprises an X-axis structure which is able to move left and right, a Y-axis structure which is able to move forth and back, and a Z-axis structure which is able to move up and down. The workpiece fixation means is fixed on the Y-axis structure, and the electrical spindle (28) is fixed on the Z-axis structure and is mounted on the upper end of the workpiece fixation means. A grinding bit (38) is mounted on the lower end of the electrical spindle (28), a grinding cooling means is provided inside a grinding bit handle (82) or around the grinding bit (38), and an electrostatic atomization film formation means is provided around the grinding bit (38). The grinding experimental apparatus ...

Walking stick with distress system

... 本实用新型公布了一种带有呼救系统的拐杖，其包括一拐杖本体、一传感器、一蓄电池元件以及一报警器，所述报警器以及所述传感器安装于所述拐杖本体，所述拐杖本体的高度可调节，以满足不同用户的需求，当用户在使用所述多功能拐杖时，用户发生跌倒，同时拐杖的倾斜角度达到预设值时，所述传感器通信地连接于所述报警器，以提醒周围人群，使得周围人群能够帮助使用所述多功能拐杖的跌倒用户，所述蓄电池元件能够为所述传感器以及所述报警器提供电能，以使所述多功能拐杖能够长期被用户使用，从而有效地保障用户的生命安全。 ...

Novel layered copper-based solid Fenton catalyst as well as preparation method and application thereof

The invention discloses a novel layered copper-based solid Fenton catalyst as well as a preparation method and application thereof, and belongs to the technical field of water treatment. The preparation method of the catalyst comprises the following steps: (1) adding glucose and aluminum isopropoxide into water, and stirring to obtain a solution A; adjusting the pH value of the solution B to 5.0, standing, drying and roasting to obtain a solid B; (2) adding the solid B into water, and carrying out ultrasonic dispersion to obtain a suspension C; adding scandium salt and copper salt into the suspension C, and stirring to obtain suspension D; and (3) adding citric acid into the turbid liquid D, stirring to form sol E, drying the sol E in a drying oven, and roasting to obtain the catalyst. According to the present invention, the efficient and stable mineralization removal effect is provided for the degradation-resistant organic pollutants in the wide pH range.

Sample selection network fusing target feature information and prediction information

A sample selection network fusing target feature information and prediction information comprises a projection layer, a merging unit and a score calculation unit, and is used for estimating a sample score for each target according to feature information extracted by a detection network and predicted regression information and classification information. The sample selection method is based on the sample scores, and the number ni of positive samples required by each target is calculated according to the sample scores of the candidate samples. And sorting the candidate samples of each target according to scores from high to low, and selecting the first ni samples with the highest scores as positive samples and the rest samples as negative samples for each target. The training method comprises the following steps: acquiring a sample score corresponding to each target by using a sample selection network, selecting a positive sample and a negative sample by using a sample selection method, and ...

Method and system for analyzing enrichment conditions of fault-karst reservoir based on charging dredging evaluation

The invention provides a fault-karst oil reservoir enrichment condition analysis method and a fault-karst oil reservoir enrichment condition analysis system based on filling dredging evaluation. The scheme comprises a type identification step, a parameter setting step, a fracture filling adjustment condition evaluation step, a fracture dredging condition evaluation step, a reservoir condition evaluation step and an enrichment condition calculation and analysis step. Through the steps, whether the to-be-analyzed fault solution belongs to the coverage area fault solution or the denudation area fault solution is judged, then corresponding calculation list parameters are called to obtain various parameters needed by analysis and calculation, corresponding scores are given, comprehensive evaluation and calculation are achieved from the three aspects of the fracture filling adjustment condition, the fracture dredging condition and the reservoir condition, and the fault solution analysis accuracy ...

Centralized feeding device for crickets and using method

The invention relates to a centralized breeding device for crickets and a using method, and relates to the technical field of insect breeding. Comprising a feeding box, a feeding pipe, a fixing clamp, a water feeder, a food bowl, a delivery room and a feeding pipe fixing piece. Fixing clamps are connected to the feeding pipe fixing pieces, and the feeding pipe fixing pieces are detachably connected with the inner wall of the feeding box through the fixing clamps; the feeding pipe is arranged on the feeding pipe fixing sheet; the water feeder, the food bowl and the delivery room are all distributed in the breeding box. Through the arrangement of the feeding pipe and the feeding pipe fixing piece, a safe habitat can be provided for crickets, and cricket death caused by extrusion in operation is effectively prevented; meanwhile, the outer wall of the feeding pipe is smooth, the crickets cannot climb, and the crickets are prevented from jumping and escaping when being transferred and taken ...

Flexible high-pressure hose for fracturing, assembly and abrasion detection method of flexible high-pressure hose

The invention provides a flexible high-pressure hose for fracturing, an assembly and a wear detection method of the flexible high-pressure hose. The flexible high-pressure hose comprises an inner rubber layer, a wear detection layer, a pressure-bearing framework layer, a fireproof flame-retardant layer and an outer rubber layer. The flexible high-pressure hose assembly comprises the flexible high-pressure hose for fracturing, a detection chip and an RFID radio frequency chip, wherein the detection chip and the RFID radio frequency chip are arranged in the flexible high-pressure hose body for fracturing. The wear detection method is realized by adopting the flexible high-pressure hose assembly for fracturing. The compressive strength, the flexibility, the wear resistance and the acid and alkali resistance of the flexible hose can be improved, the service life of the flexible hose is prolonged, and the damage condition of the flexible hose is easy to detect.

DEVICE FOR GRINDING TEMPERATURE ONLINE DETECTION AND PHASE CHANGE HEAT TRANSFER NANOFLUID GRINDING

A device for grinding temperature online detection and phase change heat transfer nanofluid grinding comprises a housing (11), a grinding device, a power device, a transmission device, a control module, a temperature measuring module and a speed and torque measuring module. The grinding device is mounted at the front end of the housing (11), and the power device, the transmission device, the control module, the temperature measuring module and the speed and torque measuring module are mounted inside the housing (11). The grinding device is connected with the power device by means of the transmission device, the temperature measuring module is connected with the grinding device and the control module respectively, the speed and torque measuring module is arranged on one side of the transmission device, and the speed and torque measuring module and the power device are both connected with the control module. A phase change heat transfer nanofluid grinding head is used in the grinding device ...

HEATING BUILDING MATERIAL AND PREPARATION METHOD THEREFOR

A heating building material and a preparation method therefor. The heating building material integrates multiple functions such as thermal insulation, heating, electric insulation, waterproofness, and heat conduction; moreover, the surface layer thereof has the appearance and texture of materials such as marble, granite and wood. Therefore, said building material has both a heating function and a decorative effect. The heating building material comprises a base material (1), a thermal insulation layer (2), a reflecting layer (3), a heating radiation layer (4), and an enamel facing layer (5) in sequence. The method comprises: taking a base material; printing or applying a heating layer onto the surface of the base material; and then, providing a facing layer on the surface of the heating layer. The prepared heating building material can emit 5-20 μm far-infrared radiation light waves after being energized, and is warm, confortable, healthy, energy-saving, environment-friendly, and pollution-free ...

Half automatic regulating apparatus of car seat

... 本实用新型提供一种汽车座椅半自动调节装置，包括由一锁止器和一解锁按钮构成的锁止装置，用于座椅整体前后移动扳手的解锁或座椅靠背角度移动扳手的解锁，所述锁止器具有使扳手处在锁止状态的第一位置和使扳手处在解锁状态的第二位置；所述解锁按钮与所述锁止器连接，在解锁按钮每被按下一次后触发所述锁止器上述两种位置之间切换一次。 ...

Lock of active electric power meter

The invention discloses a lock of an active power meter, which comprises a locking device and a control device, the locking device is provided with an authentication unlocking device and a motor, the motor drives the locking device to unlock and lock the lock, the authentication unlocking device is connected with the control device to acquire an authentication signal of the control device, and the authentication signal is transmitted to the control device. The authentication unlocking device is provided with a movable baffle controlled by an electromagnet, and the control device is connected with the electric power meter to obtain electric energy for the lockset to use. The metering device lock has the advantages that combination of the metering device lock and the metering device is achieved, the risk that the lock is stolen and replaced is reduced through active control, meanwhile, effective identity verification during unlocking is achieved through the authentication unlocking device ...

Power transmission corridor monitoring method based on Beidou navigation satellite and remote sensing satellite

The invention discloses a power transmission corridor monitoring method based on a Beidou navigation satellite and a remote sensing satellite. The method comprises the following steps: (1) drawing a basic layer of a power transmission corridor area; (2) acquiring area monitoring information of a power transmission corridor area acquired by a remote sensing satellite in real time, and fusing the area monitoring information with the basic layer to form an area monitoring layer; (3) acquiring terminal positioning information of a power transmission corridor area acquired by a Beidou navigation satellite in real time, and fusing the terminal positioning information with the basic map layer to form a terminal positioning map layer; and (4) based on the surface domain monitoring layer and the terminal positioning layer, detecting an overlapping degree of a preset area of the surface domain monitoring layer and a terminal identification area of the terminal positioning layer, and if the overlapping ...