Thermochromic composition, thermochromic erasable neutral ink and pen core filled with the same

The invention provides a thermochromic composition, a thermochromic microcapsule prepared by the thermochromic composition, thermochromic erasable neutral ink prepared by the thermochromic microcapsule, and a pen core filled with the thermochromic erasable neutral ink. The thermochromic composition comprises (1) an electron donating compound; (2) an electron accepting compound; and (3) an organic solvent. The thermochromic composition is characterized in that the organic solvent is diester formed by benzene ring-containing carboxylic acid and dihydric alcohol, or diester formed by dicarboxylic acid and benzene ring-containing fatty alcohol. A pen core can be assembled by the thermochromic erasable neutral ink of the invention combined with a specially-prepared erasable pen nib, which can realize functions of complete erasure of handwriting and repeated writing.

Automobile metal part surface treatment process method

The invention discloses an automobile metal part surface treatment process method. The automobile metal part surface treatment process method comprises the following steps of 1) preparing an antirustemulsion for later use; (2) degreasing, deoiling and derusting the surface of the metal part, and cleaning the surface of the metal part with a buffering agent; 3) cleaning the metal part with deionized water, blow-drying the metal part with cold air and then polishing the metal part; 4) immersing the polished metal part into molten alkali metal salt; 5) washing with an acidic buffer solution, washing with deionized water after washing is finished, and drying after washing is finished; 6) carrying out electroplating treatment on the surface of the metal part to form a protective coating; 7) immersing the metal part with the protective coating in the antirust emulsion, taking out the metal part and drying the metal part to form an antirust film; and (8) washing with the deionized water by adopting ...

Compensation method for increasing metering precision of electronic watt-hour meter

Phase correction factor epsilon and amplitude correction factor gamma are introduced and the variation curves of epsilon and gamma with voltage are set up. The compensation process includes the steps of epsilon and gamma input, measuring voltage, taking out epsilon and gamma values according to voltage value, calculating electric energy by w'=sigma gamma.in.Um COS (theta n + epsilon). Delta t, and comparing it with standard meter. If metering accuracy is not obtained, curves are corrected and said process is repeated. The method features use of software instead hardware, so having higher accuracy and low requirement to electronic elements.

Compensation method for increasing metering precision of electronic watt-hour meter

A tool table for fixed pencil

The utility model discloses a tool table for fixed pencil, including operation panel, frock board, plenum chamber and a plurality of fixing -line device: the frock board is the rectangle structure, and the upper end outside that corresponds the one end AND operation platform on long limit is articulated along the department, and the upper end of frock board is provided with a plurality of mountingholes, and fixing -line device detachable installs in arbitrary mounting hole, the plenum chamber setting is between operation panel and frock board, and the last lower extreme of plenum chamber difference AND operation platform and frock board are connected, and the plenum chamber overturns from top to bottom around the articulated department of AND operation platform with the other end that drives the corresponding length limit of frock board that exhausts through inflating. The utility model discloses a tool table for fixed pencil can join in marriage height and angle adjustment to the commentaries ...

Comb growth feed achieving comb growth consistency and increasing laying rate for laying hens of 16 weeks and with laying rate of 2%

The divisional application of the invention discloses a comb growth feed achieving comb growth consistency and increasing laying rate for laying hens of 16 weeks and with laying rate of 2%, belonging to the field of feed compositions. The feed is used for the laying hens of 16 weeks and with laying rate of 2%, and can promote the propagative organ development and weight gaining; the feed is mainly prepared from the following raw materials in parts by weight: 54.365 parts of corn, 3 parts of rice bran, 2.5 parts of wheat bran, 14 parts of bean pulp, 3 parts of fermented soybean meal, 3 parts of peanut meal, 2.8 parts of sunflower seed meal, 2 parts of rapeseed dregs, 3.5 parts of distillers dried grains with soluble (DDGS), 3 parts of corn bran, 1.0 part of soybean oil, 5.2 parts of mountain flour, 0.8 part of calcium hydrogen phosphate, 0.35 part of table salt, 0.13 part of methionine, 0.12 part of 70% lysine sulfate, 0.05 part of probiotics, 0.05 part of a complex enzyme preparation, 0.012 ...

Method for effectively producing protocorm by using zamiolulcas zamiif olia compound leaf rachis

The invention relates to a method for effectively producing a protocorm by using a zamiolulcas zamiif olia compound leaf rachis, and belongs to the technical field of flower culture. The method comprises pre-culture of zamiolulcas zamiif olia, preparation of a culture medium, inoculation and culture of the protocorm. In the method, the compound leaf rachis is taken as a plant propagation material, and the cultured protocorm can be taken as a subculture material without shearing the stems or leaves of zamiolulcas zamiif olia once again. By adopting the method, the propagation coefficient of zamiolulcas zamiif olia is increased by over 100 times, the propagation period is shortened to one third of leaf cutting propagation, and the demand of a large number of excellent seedlings in production can be met; the protocorm is taken as a target propagule, and has the advantages of easiness in storage, convenience for long-distance transportation and reduction in spreading of diseases and insect ...

稀土红色荧光材料、其制备方法及用途

The present invention discloses a rare earth red fluorescent material whose composition is (Eu2(1-x)/3MxMoO4)y.MC2O4, in which M is rare earth metal element selected from magnesium, calcium strontium, barium or their combination, x=0.001-0.1, y=0.1-0.5. Said invention also discloses its preparation method, including the following steps: mixing oxalic acid or water soluble oxalate, molybdic acid or water soluble molybdate, water soluble alkali earth metal salt and water soluble europium salt as raw material, grinding, washing, filtering and drying so as to obtain the invented product. Said product has good optical thermal stability, can send strong red fluorescence under the action of UV light excitation, so that it can be made into the rare earth red fluorescence powder with microfine grain size.

Rareearth blue fluorescent material, its preparation method and use

Autologous rapid propagation method for Changbai Mountain cacalia firma kom

The invention discloses an autologous rapid propagation method for Changbai Mountain cacalia firma kom and belongs to the technical field of plant cultivation. The method comprises the steps as follows: (1) round holes are formed in leaves of the cacalia firma kom by a hole puncher; (2) veratrum oxysepalum turcz., pulsatilla cernua Bercht.et opiz. and epimedium koreanum nakai are hit into juice and mixed uniformly in a volume ratio of 2:2:1, and yellow clay is added and stirred to prepare slurry; (3) the round holes in leaf veins of the cacalia firma kom are coated with the prepared slurry, and filter paper is bonded to upper and lower surfaces of the round holes so as to keep the slurry humid; and (4) adventitious roots grow on edges of the round holes in the leaf veins of the cacalia firma kom after 15-20 days, adventitious buds are divided after 30-40 days, and after new plants growing in positions of the round holes of the leaves are higher than 1 cm, the plants are sheared by scissors ...

Car separation and reunion pedal mounting structure

The utility model relates to a car separation and reunion pedal mounting structure, front wall reinforcing plate including preceding bounding wall, on welding in the front the bounding wall, preceding bounding wall with it glues to scribble seal between the front wall reinforcing plate, be equipped with on the front wall reinforcing plate that a projection welding bolt is held to be used for installing the separation and reunion pedal first and two seconds hold a projection welding bolt, also include the separation and reunion pedal arrangement board of a welding on the front wall reinforcing plate, scribble seal between the separation and reunion pedal arrangement board and the front wall reinforcing plate and glue, a supply is provided on the separation and reunion pedal arrangement board two seconds hold a through -hole that projection welding bolt one -to -one passed, the middle part of separation and reunion pedal arrangement board is equipped with the joint hole, and the main shaft ...

稀土蓝色荧光材料、其制备方法和用途

The present invention relates to a rare earth blue fluorescence material whose composition is (M1)x(M2)yEuz(M3)w(SiO3)nClm.SiO2, in which M1 is alkali earth metal element selected from Na, K and Rb or their combination, M2 is alkali earth metal element selected from Mg, Ca, Sr and Ba or their combination, and M3 is rare earth metal element selected from Y, La, Tb and Ce or their combination, X=0.05-0.3, y=0.05-0.3, z=0.001-0.05, w=0-0.5, n=0.1-0.5 and m=x+2y+2z+3w-2n. Said invention also discloses its preparation method and application. It has high stability and good luminous intensity, and can be made into the rare earth blue fluorescence powder and microfine grain size.

Automobile front-row safety belt fastening support

The invention relates to an automobile front-row safety belt fastening support. The automobile front-row safety belt fastening support comprises a support body; the front side surface of the support body is a fixed mounting surface, a first weld surface bent backwards is formed at the lower edge of the fixed mounting surface, and the first weld surface and the fixed mounting surface are combined to form an L-shaped structure; a bolt mounting hole is formed in the middle of the fixed mounting surface; the automobile front-row safety belt fastening support is characterized in that a first turnup bent backwards is formed on the left of the fixed mounting surface, while a second turnup bent backwards is formed on the right of the fixed mounting surface, a second weld surface bent leftwards is formed at the lower edge of the first turnup, while a third weld surface bent leftwards is formed at the lower edge of the second turnup, and the second weld surface and the third weld surface are flush ...

Rapid induction method for inserting adventitious bud on bean halve green leaf

The invention provides a rapid induction method for inserting an adventitious bud on a bean halve green leaf and belongs to the technical field of flower propagation. The rapid induction method comprises the following steps: dipping plant ash on a notch at the end of a bean halve green leaf stalk and inserting the bean halve green leaf stalk into humus disinfected by KMO4; pulping rough stem dryopteris erythrosora into juice and standing; taking liquid supernatant for later use; overlapping three to five layers of medical gauzes; immersing the medical gauzes into the extracted rough stem dryopteris erythrosora juice and paving the medical gauzes on the back face of a cutting slip leaf; covering the leave by using a plastic bag; controlling the soil humidity, the air humidity and the temperature to avoid rotting cutting slips to promote callusogenesis; after cutting for 10-15 days, removing the gauzes and the plastic bag after a new root grows for 1cm on a cutting slip leaf stalk; and irrigating ...

Public opinion monitoring method and public opinion monitoring system

The invention relates to the technical field of public opinion monitoring, and discloses a public opinion monitoring method and a public opinion monitoring system.The public opinion monitoring method comprises the following steps that S1, the system is accessed to an internet network, and ranking list content of hot search of all platforms is obtained through a program language; s2, performing keyword acquisition on the acquired content of the hot search ranking list, storing keywords, and establishing a keyword library; s3, the hot search content and the comment content are traversed through the content of the keywords by using a program language, the keywords are obtained by accessing the Internet and reading the hot search ranking list of each platform to establish a keyword library, and sensitive words are obtained by further retrieval through the keywords, because the concentration points of public opinions are mostly concentrated in the hot spots, the sensitive words can be obtained ...

Cladding light filtering device of double-cladding optical fiber laser and preparation method of cladding light filtering device

The invention relates to a cladding light filtering device of a double-cladding optical fiber laser and a preparation method of the cladding light filtering device. The cladding light filtering device includes an upper heat conduction assembly and a lower heat conduction assembly which are totally identical; a groove is formed in the upper heat conduction assembly along a length direction; an upper silicon wafer is pasted and embedded in the groove of the upper heat conduction assembly through a heat conduction material; a corrosion groove is formed in the upper silicon wafer along a length direction; the exterior of a double-cladding optical fiber of which the outer cladding is stripped is coated with a high-refractive index material, and thereafter, the double-cladding optical fiber is arranged in a corrosion groove of a lower silicon wafer of the lower heat conduction assembly; and the upper heat conduction assembly and the lower heat conduction assembly are bonded together to form one ...

Method for realizing loop self-healing function of repeater system

The invention provides a method for realizing the loop self-healing function of a repeater system, which comprises the following steps of: designing an FPGA internal software module, and transmitting an identification code with a reserved control word at a data transmission protocol processing module, wherein a main port transmits one identification code and a subsidiary port transmits the other identification code; continuously searching the identification code in received data stream through a link locking module in the data transmission protocol processing module after a light path is normally connected and data is received, wherein the link connection is built only when the received content is accordant, otherwise, the connection is not built; and if the link has not been locked and built when a watchdog timer overflows, exchanging main-subsidiary interfaces of the data protocol processing module with two interfaces between a series-parallel convention module and a parallel-series convention ...

加边光盘

The purpose of the invention is to solve the problem of frictional scuffing for planes between optical disc and optical disc or between optical disc and table top, wherein the optical disc center hole is thickened outwards for 1 cm and the optical disc outer rim is thickened inwards for 2 mm of width, thus realizing the effective optical disc protection and prolonged storage effective period.

Sample result display method and sample analyzer

The invention provides a sample result display method and a sample analysis device. The sample analysis device comprises a sample device, a reagent device, a sample adding device, a reagent separate injection device, a light source part, a receiving part, an analysis part and a display, the analysis part obtains a corresponding interferent detection result according to received interferent detection optical information generated by irradiating a sample or a mixture formed by the sample and a reagent with light beams with different optical parameters generated by the light source part, and determines the optical parameters of the light beams for obtaining an item detection result according to the interferent detection result; and the display displays the detection result of the interferent after the light beams with different optical parameters irradiate the sample or the mixture formed by the sample and the reagent. In the scheme, the sample or the mixture formed by the sample and the reagent ...

Auxiliary belt is pruned in plant molding

The utility model relates to an auxiliary belt is pruned in plant molding, the especially auxiliary belt is pruned in plant molding that can adjust length and width. Auxiliary belt is pruned in plant molding divide into a tape body and hookup location two parts according to the structure, and the hole labeled plant on the strip tape body waits to prune the position. The utility model discloses the structure is brief reasonable, and convenient to use can overcome the inhomogeneous problem of pruning, guarantees the figurative pruning effect of plant.

Concrete mixing plant

The invention relates to a concrete mixing plant which comprises a mounting frame, a mixing bin and a mixing rod assembly, the mixing bin is connected to the mounting frame, and the mixing rod assembly is arranged in the mixing bin; the stirring rod assembly comprises a rotating part, a first stirring part and a second stirring part, the rotating part is of a circular-truncated-cone-shaped cylindrical structure, the rotating part is rotationally connected to the mounting frame, the first stirring part and the second stirring part are each in an Archimedes spiral shape, the first stirring part is arranged in a protruding mode along the outer side wall of the rotating part, and the second stirring part is arranged in a protruding mode along the inner side wall of the rotating part; the spiral directions of the first stirring piece and the second stirring piece are opposite; the stirring bin is provided with a feeding port and a discharging port, the feeding port and the corresponding discharging ...

Low-delay Ethernet data transmission realizing method applied to digital repeater

The invention relates to the technical field of data communications, in particular to a low-delay Ethernet data transmission realizing method applied to a multi-service digital repeater with a point-to-point networking mode used. According to the method, secondary re-sampling is conducted on Ethernet data received from an Ethernet PHY chip, and a flag bit is assigned according to the effectiveness of data to form a new data stream. Then, the data stream is segmented into smaller groups with the cycle of a CPRI hyper frame as the cycle, the smaller groups are packaged into an IQblock of a basic frame of a CPRI to be transmitted. During data restoration, effective data can be extracted from the data stream according to effectiveness flags of the data to be reconstructed to form a complete Ethernet data packet. The process can be realized with few hardware resources, therefore, the system complexity is greatly simplified and system delay brought by the processing process is greatly shortened ...

Flowers hydroponics basket

The utility model relates to a flowers hydroponics basket, the especially flowers hydroponics basket that adjustable plant was supported the basket degree of depth and hung handle length. The utility model discloses a plant is supported the basket and hangs handle two parts, and the plant is supported the basket and divide into the three section that can stretch out and draw back, supports the basket degree of depth according to the plant roots length adjustment plant during use, hang the handle and be divided into four sections, have one on every section and hang the bayonet socket, can with support basket monolithic stationary the container along last, can adjust according to the container degree of depth during use and hang the handle telescopic joint. Because it is flexible adjustable that the plant is supported the basket and hangs the handle, consequently the utility model discloses can be applied to the container of degree of depth certain limit.

Rare-earth red fluorescent material, its preparation method and use

Water planting support

The utility model relates to a water planting support frame, especially an adjustable circular arc pole opens the water planting support frame of angle. The water planting support frame mainly divide into circular arc pole and support column two parts according to the structure, and through hinge node joint support pole, the bracing piece other end is located the support column on the circular arc pole. There are a plurality of bayonet sockets on the support column, through opening the angle with manual bolt fixed bayonet position decision circular arc pole. The device front end is equipped with the auxiliary stay rod, and the adjustment is detained by connection screw to supporting stick length. The utility model discloses the structure is brief reasonable, and convenient to use can be applied to the water planting container of diameter certain limit, improves water planting flowers ornamental effect.

Repeating revolver

The present invention relates to a repeating revalving pistol. A hole is opened on the back surface of bullet nest positioned on revolving direction side of the original revolving pistol and directedtowards muzzle bullet nest. Said hole has the functions of charging bullet and removing bullet, and said invented revolving pistol has the function of being ready to fire at all times.