30results about How to "Extend effective storage time" patented technology

The invention discloses a full-automatic coagulate blood analytical instrument and a using method thereof. The instrument comprises a sample position module, a reagent position module, an incubation detection module, a gripper module, a cupping module, a needle movement module, a light source module, a pump station module, a consumable module, a power source module and a cuboid-shaped frame body composed of six faces of a front face, back face, left side face, right side face, top face and bottom face, wherein the center in the frame body is provided with a main cavity, the sample position module, the reagent position module, the incubation detection module, the gripper module and the needle movement module are all located in the main cavity, the left side face of the frame body is provided with a left side cavity, the pump station module is located in the left side cavity, the right side face of the frame body is provided with a right side cavity, the consumable module and the light source module are located in the right cavity, the cupping module is located in the right side cavity and penetrates into the main cavity, the back face of the frame body is provided with a back cavity, the power source module is located in the back cavity, and through the synergy of the modules, the full-automatic coagulation analysis is achieved.

The invention discloses a waterproof pulverized coal and a preparation method thereof, wherein the waterproof pulverized coal comprises components with parts by weight: calcium salt or calcium hydroxide (Ca(OH)2) 5-30 parts, stearic acid or stearate 1-10 parts or pulverized coal 60-94 parts. The method for preparing the waterproof pulverized coal comprises steps: firstly, the components with parts by weight are weighted, are added into a roller type reaction kettle to be kept to heat for 20-60 min after being heated to 110-140 DEG C, thereby obtaining the waterproof pulverized coal. The method for preparing the waterproof pulverized coal can convert pulverized coal to be a hydrophobic substance from a hydrotropic substance, greatly reduces hydrophilic performance of the pulverized coal, and can prevent volatile components in the pulverized coal from volatilizing, thereby preventing the autoignition problem of the pulverized coal during storing, prolonging service life, improving safety during storage and transportation, and having excellent application prospect.

The invention provides a drying container, which comprises an outer tank body and an inner tank body, wherein a bottle wall is provided with an accommodating space; the inner tank body is positioned in the outer tank body; and a drying agent is positioned in the accommodating space.

The invention relates to a livestock semen diluent and the application thereof, and in particular to a sheep fresh semen preserve diluent and the application thereof, aiming at solving the problems that the sheep semen preservation time is short, the vigor of the preserved semen is reduced, the integrity of plasma membrane is destroyed, the fertility rate is low, and the embryo mortality is high in the existing sheep semen preservation method. The sheep fresh semen preserve diluent is prepared from basic liquid, yolk and astaxanthin, wherein the volume ratio of the basic liquid to the yolk in the sheep fresh semen preserve diluent is equal to 8 to 2, and the concentration of the astaxanthin in the sheep fresh semen preserve diluent is 0.5-4 micromol / L. The application method of the sheep fresh semen preserve diluent in sheep fresh semen preservation comprises the steps of 1. preparing the sheep fresh semen preserve diluent; 2. diluting sheep semen; and 3. preserving the semen. The sheep fresh semen preserve diluent can be obtained.

The invention discloses a video monitoring system based on dynamic image detection. The video monitoring system comprises an image monitoring system and a dynamic image detection system, the dynamic image detection system comprises a second image collection module, a dynamic image processing module and a wireless transmission module, monitoring areas on front ends of the second image collection module and the image monitoring system are the same, and the clocks are synchronous; the dynamic image detection system receives a current image, performs dynamic image analysis on the current image and a previous frame of reference image, and transmits a dynamic image and a timestamp of the dynamic image to a background storage server and / or a remote monitoring terminal via the wireless transmission module through the Internet; and the background storage server marks the stored video monitoring information by using the dynamic image and the timestamp of the dynamic image and preferentially covers the unmarked video monitoring information during circular storage. Compared with the prior art, the video monitoring system has the advantages that the dynamic image detection system accesses the original image monitoring system in a wireless manner, therefore the hardware architecture of the original image monitoring system does not need to be changed.

The invention relates to the technical field of biological experiments, in particular to an automatic sampling and storing device for biology laboratories. The automatic sampling and storing device includes a shell, the top end of the shell is fixedly connected with a controller; the inner side of the bottom end of the shell is fixedly connected with a storage battery; the inner side of the shellis fixedly connected with a sliding rail. A sliding plate is slidably connected to the inner side of the sliding rail. A sampling test tube is attached to the inner side of the sliding plate; a cleaning channel is fixedly connected to the inner side of the left end of the shell. An electromagnetic valve is fixedly connected to the inner side of the left end of the shell; the inner side of the leftend of the shell is fixedly connected with an electric cooler and a fixed rod. The top end of the fixed rod is fixedly connected with a fan; according to the invention, through the arrangement of a collecting pipe, a hose, the sampling test tube, a water pumping device and other components, the collecting of a liquid sample can be realized, the influence of the liquid sample collected for the first time on a liquid sample collected for the second time can be prevented, the effect of an automatic pipeline is realized, and the accuracy of the next sample collecting is ensured.

The invention relates to a heat-resistant protective agent for a universal monoclonal antibody. Compared with monoclonal antibody heat-resistant protective agents containing different components, the invention finds that trehalose has more excellent protection on monoclonal antibodies at normal temperature and low temperature; 0.1% of tris (hydroxymethyl) aminomethane hydrochloride (Tris-HCl) is added in the formula of the protective agent, so that the stability of the monoclonal antibody in a high-temperature environment is enhanced, 10% of glycerol and 0.25% of mannose are added, so that the protective effect on IgM and IgA subtype monoclonal antibodies is enhanced, and the effective preservation time of the monoclonal antibody is greatly prolonged by the universal heat-resistant protective agent disclosed by the invention; cold storage and normal-temperature preservation of different antibody subtype monoclonal antibodies and related products in the storage and transportation process are achieved, and the storage life of the monoclonal antibodies can be prolonged to 18 months or above at the temperature of 2-8 DEG C, 15 months at the temperature of 25 DEG C and 16 days at the temperature of 37 DEG C.

The invention belongs to the technical field of food, and particularly relates to compound probiotic lactase blended milk powder. Composite probiotic, lactase, prebiotics, milk powder, silicon dioxide, proteins raw materials, minerals and sweet agents are mixed according to a given ratio, so that not only can the problem that the lactose intolerance people cannot absorb the lactase be solved, butalso the intestinal flora can be regulated, and the intestinal absorption can be promoted; and by adding the prebiotics and silicon dioxide, the stability of the blended milk powder can be improved, and the activity of the probiotic and the lactase can be maintained and improved.

The invention discloses a non-active cooling low-temperature storage and transportation device based on a multilayer phase-change material, and belongs to the field of low-temperature storage of biological materials. The device comprises a plurality of phase change material layers and heat insulation layers which are alternately arranged, a to-be-stored biological material is arranged in the center of an innermost phase change material layer, the phase change temperature area of a phase change material layer adjacent to the biological material is equal to or lower than a target storage temperature, and the phase change temperature areas of all the phase change material layers are sequentially increased or equal in a direction from inside to outside. The storage and transportation temperature and effective storage time requirements required by different biological materials can be met, longer effective storage time can be achieved under the same space condition, and for low-temperaturestorage and transportation of a liquid nitrogen temperature area, a longer effective storage time can be achieved with a relatively small amount of liquid nitrogen.

The invention discloses a preparation method of animal peripheral blood erythrocytes, relates to the technical field of erythrocyte preparation, and in particular, relates to a preparation method of animal erythrocytes. At present, many methods for preparing the animal peripheral blood erythrocytes exist. However, the extraction rate is low, time is consumed, and the cost is high. The effective preservation time of the prepared erythrocytes is short, so that frequent preparation is needed and waste of the mouse erythrocytes is caused. The invention aims to provide an erythrocyte extraction process and an erythrocyte preservation method which are simple and convenient to operate, low in cost, high in stability and high in extraction rate. The invention provides the erythrocyte extraction process which comprises the following six steps: (1) preparation, (2) pretreatment, (3) crude extraction, (4) blocking process, (5) dissolution process and (6) preservation.

The invention discloses an antibacterial environment-friendly food packaging box and a preparation process thereof, and relates to the technical field of food packaging production.The preparation process of the antibacterial environment-friendly food packaging box comprises the following steps that S1, a food packaging base material is prepared, after cleaning is completed, 46 w% of polypropylene particles, 22 w% of natural resin adhesive, 10 w% of straw powder, 7 w% of light calcium carbonate powder, 4 w% of glycerol, 8 w% of absolute ethyl alcohol and 3 w% of pentaerythritol stearate are sequentially added into the high-temperature mixing furnace. The antibacterial agent is prepared from polyhexamethylene guanidine, chlorhexidine gluconate, copper nitrate hexahydrate, nano-zinc oxide, sodium dodecyl benzene sulfonate and deionized water according to a specific mode and proportion, the antibacterial agent is blended into food packaging raw materials, cell walls of bacteria can be destroyed in the application process, the metabolic process of microorganisms can be terminated, and the food packaging effect is improved. Microorganisms cannot grow and breed, so that the packaging barrel and the packaging cover have efficient antibacterial performance.

A formula of a moisture-proof anti-inflammatory drug comprises medicines in parts by weight as follows: 1,950 parts of metronidazole, 1,650 parts of clotrimazole, 82 parts of chlorhexidine acetate, 800 parts of lactose, 980 parts of tartaric acid, 260 parts of low-substituted carboxy cellulose, 750 parts of boric acid, 200 parts of polyvinylpyrrolidone, 260 parts of sodium carboxymethyl starch, 1,000 parts of sodium bicarbonate, 650 parts of pregelatinized starch and 260 parts of microcrystalline cellulose. A technology of the drug comprises the steps of S1, preparing an effervescent film agent solution; S2, preparing a dispersing agent; S3, preparing alkaline particles; S4, preparing acidic particles; S5, preparing main drug particles; S6, preparing a finished product. Moisture in a preparation process can be removed effectively, the drug quality cannot be affected by inside imbibition, meanwhile, outside moisture can be separated from inside effective ingredients and dispersing agent ingredients effectively through a protective film coating outside, the purpose of moisture-proof is achieved, and the technology has very high practical value.

The invention belongs to the technical field of data storage devices, especially an educational data storage device with precise positioning function. Aiming at the problem that the data storage device is inconvenient to find data, the following scheme is proposed, including a frame, and the outer wall of the bottom of the frame The four corners are all fixed with universal wheels by screws, and the inner walls of both sides of the frame are provided with moving plate chute, the inner walls of the two moving plate chute are slidingly connected with the moving plate, and the outer wall of one side of the two moving plates The shells are all fixed by screws, the top outer wall of the frame is provided with a lead screw installation hole, and the inner wall of the lead screw installation hole is connected with a lead screw through a bearing. The invention is convenient for drying data, helps to reduce the probability of data being damaged due to excessive humidity, can effectively avoid data burning caused by excessive temperature, is conducive to improving the speed of data search, helps to speed up work efficiency, and helps to improve The data protection effect can effectively extend the effective storage time of the data.

The invention discloses a method for enhancing stability of biological oil by adding a composite additive, which comprises the following steps: 1. preparation of biomass raw material: screening pulverized rice hull, and drying; 2. preparation of biological oil: carrying out cracking reaction on the dried rice hull by using a bubbling fluidized bed biomass quick thermal cracking device; 3. screening the composite additive; and 4. adding the composite additive into the biological oil, uniformly mixing, and storing in a closed vessel. The composite additive added into the biological oil obviously enhances the stability of the biological oil; compared with the single additive, the composite additive can obviously lower the kinematic viscosity of the biological oil; the method does not need to perform complicated processing on the biological oil; and the method is low in operating cost and does not need expensive equipment or other rigid controlled conditions. The method can effectively enhance the stability of the biological oil and obviously lower the viscosity of the biological oil, so that the biological oil can be effectively stored at 25 DEG C for more than 90 days.

The invention relates to the technical field of liver transplantation in clinical medicine, in particular to an ultralow-temperature preservation solution and a preservation method for liver. The ultralow-temperature preservation solution comprises a loading solution, a low-temperature preservation solution and a recovery solution, the loading solution is prepared from a Williams E culture medium, 3-O-methyl-D-glucopyranose and silolamide; the ultralow-temperature preservation solution comprises a UW solution, polyethylene glycol and silolamide; the resuscitation solution is prepared from a Williams E culture medium and silolamide. 3-O-methyl-D-glucopyranose, silolamide and polyethylene glycol are combined to treat the in-vitro liver, the in-vitro liver is protected, the in-vitro liver can be preserved at the ultralow temperature of minus 6 DEG C to minus 6 DEG C, the effective preservation time of the donor liver is effectively prolonged to 48-72 hours, the unfrozen in-vitro hepatocytes have good quality, and the unfrozen in-vitro hepatocytes are free of toxic and side effects. The problem of liver tissue damage caused by low temperature is obviously relieved, and the liver transplantation curative effect is improved.

The invention relates to an edible glutinous yam storage method. The edible glutinous yam storage method comprises the following steps of: (1), harvesting glutinous yams; (2), pre-cooling the harvested glutinous yams at 12-20 DEG C for 8-24 hours, and then, removing the glutinous yams having plant diseases and insect pests and / or mechanical injury; (3), performing low-temperature treatment at 8-15DEG C for 3-10 days; and (4), storing at 4 DEG C. Due to low-temperature pre-treatment, cold damage of the glutinous yams at low temperature can be effectively reduced; the rotting rate is reduced; the effective storage time can be greatly prolonged in cooperation with low-temperature storage at 4 DEG C; due to gradient low-temperature treatment, cold damage of the glutinous yams at low temperature can be effectively reduced; the rotting rate is reduced; and the effective storage time can be greatly prolonged in cooperation with low-temperature storage at 4 DEG C.

The invention discloses a method for storing tussah eggs, which comprises the following steps: sealing the tussah eggs, immersing them in a liquid medium, and storing them in cold storage at 0-3°C. The liquid medium may be water. According to the method for storing tussah eggs of the present invention, the tussah eggs are stored in a water bath at 0-3°C for 180 days, and there is no significant difference between the floating egg rate, green egg rate, egg loss rate, eclosion rate, female rate and CK. The storage method of the invention significantly prolongs the effective storage time of the tussah eggs, reduces the loss of the tussah eggs caused by cold storage, and reduces the production cost of the commercial production of the flat-bellied wasp.

The invention provides a low-temperature container and a pipeline thereof. The pipeline comprises a pipeline body, an inner sleeve, a middle sleeve and an outer sleeve; two ends of the pipeline body are opened; the inner sleeve is arranged on the periphery of the pipeline body in a sleeving mode, and a gap is formed between the inner sleeve and the pipeline body; the first end of the inner sleeve is connected with the pipeline body; the middle sleeve is arranged on the periphery of the inner sleeve in a sleeving mode, and a gap is formed between the middle sleeve and the inner sleeve; the second end of the middle sleeve is connected with the second end of the inner sleeve; the outer sleeve is arranged on the periphery of the middle sleeve in a sleeving mode, and a gap is formed between the outer sleeve and the middle sleeve; and the first end of the outer sleeve is connected with the first end of the middle sleeve, and the second end of the outer sleeve is connected with the other end, opposite to the first end of the inner sleeve, of the pipeline body. A heat transfer path is added to the pipeline, so that the heat flow value is small, namely heat transfer is small, and heat leakage of the pipeline is effectively reduced. The pipeline is compact and simple in overall structure, tight in connection, safe and reliable.

The invention provides a low-temperature storage tank which comprises a shell, a heat exchanger and a heat exchanger. The conveying pipe is used for conveying a first low-temperature medium; the conveying pipe extends in the axis direction of the shell, fixedly penetrates through the top of the shell and extends into the shell. The lower container body is provided with a hollow inner cavity for storing a first low-temperature medium, is positioned in the shell, is fixedly connected with the conveying pipe and is communicated with the conveying pipe; the upper container body is located above the lower container body in a spaced mode, arranged on the conveying pipe in a sleeving mode and connected with the conveying pipe in a heat conduction mode, and a container cavity used for storing a second low-temperature medium is formed in the upper container body; the boiling point temperature of the second low-temperature medium is not higher than that of the first low-temperature medium. The upper container body is closer to the outer side of the shell than the lower container body. Heat outside the storage tank is firstly conducted to the upper container body through the conveying pipe, part of the heat is absorbed by the low temperature of the second low-temperature medium in the upper container body, the heat conducted to the lower container body is reduced, and the effective storage time of the first low-temperature medium is prolonged.

The invention belongs to the technical field of pigment storage devices, and particularly relates to a pigment storing box used for artistic pattern design and facilitating sample taking. In order tosolve the problem that material taking of an existing pigment storing box is not convenient, the following scheme is put forward; a bottom cover is included; the inner wall of one side of the bottom cover is provided with a bottom plate slide groove; a bottom plate is connected to the inner wall of the bottom plate slide groove in a sliding manner; a supporting column is fixed to the top outer wall of the bottom plate through a screw; the top of the outer wall of one side of the supporting column is sleeved with a fixed rod; the outer wall of one side of the supporting column is provided witha color mixing plate slide groove, and the inner wall of the color mixing plate slide groove is connected with a color mixing plate in a sliding manner; and a water tank is fixed to the outer wall ofthe top of the fixed rod through a screw. The pigment storing box used for artistic pattern design and facilitating sample taking can prevent that pigments become dry and hard and cake, and consequently the pigments lose efficacy, the effective preservation time of the pigments can be prolonged easily, the pigment freezing phenomenon can be effectively improved, the possibility of the phenomenon that the pigments cake and a discharging pipe is blocked can be reduced easily, the paintbrush cleaning speed can be increased, and time of a user can be saved easily.

The invention discloses a low-temperature storage and transportation device without active cooling based on a multi-layer phase change material, which belongs to the field of low-temperature preservation of biological materials. The device comprises multiple alternately arranged phase change material layers and thermal insulation layers, the biological material to be preserved is arranged in the center of the innermost phase change material layer, and the phase change temperature zone of the phase change material layer adjacent to the biological material is equal to or lower than The target storage temperature, along the direction from the inside to the outside, the phase change temperature regions of each phase change material layer are sequentially increased or equal. The invention can adapt to the requirements of storage and transportation temperature and effective storage time required by different biological materials, can achieve longer effective storage time under the same space conditions, and can use relatively less liquid nitrogen for low-temperature storage and transportation in the liquid nitrogen temperature zone. The amount of nitrogen achieves a longer effective storage time.

The invention discloses a liquid formula composition which comprises 3, 4-dimethylpyrazole, organic acid or inorganic acid and a solvent. The mass ratio of the 3, 4-dimethylpyrazole to the organic acid or the inorganic acid is 1: (0.5-5), and the mass ratio of the 3, 4-dimethylpyrazole to the solvent is 1: (0.5-50). The invention also discloses an application of the liquid formula composition in fertilizer production. The liquid formula composition containing 3, 4-dimethylpyrazole as a nitrification inhibitor has the advantages of high stability, good compounding property and low loss rate. The liquid formula composition can be used for producing a simple substance fertilizer or a compound fertilizer in the processes of tower granulation, drum granulation, drum granulation, extrusion granulation and the like in an internal adding or external spraying manner, the loss rate of effective components in the production process is low, and the produced stable fertilizer is not easy to harden and long in effective storage time.