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

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 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 discloses a waterproof coal powder and a preparation method thereof. The waterproof coal powder comprises the following components in parts by weight: 5-30 parts of calcium salt or Ca(OH)2, 1-10 parts of stearic acid or stearic acid Salt and 60-94 parts of coal powder; the preparation method first weighs the component formula of the said parts by weight, puts it into a drum reactor and raises the temperature to 110-140°C, and keeps heating for 20-60 minutes to obtain the waterproof coal powder . The method of the invention can change the coal powder from a hydrophilic substance to a hydrophobic substance, greatly reduce the hydrophilic property of the coal powder, and can prevent the volatilization of the volatile matter in the coal powder, thereby effectively avoiding the coal powder in storage. The problem of spontaneous combustion prolongs the storage time, increases the safety during storage and transportation, and has a good application prospect.

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.

A method for storing the germinated seeds of lectuce tea tree includes choosing the germinated seeds with shell, proportionally mixing peat, Ca-Mg-p fertilizer and water, adding said germinated seeds, stirring, loading the mixture in the perforated plastic bags, spreading the bags on an air-permeal material on the ground, covering them with plastic film and turning them over every 5-7 days.

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 discloses a method for rapidly detecting metal copper ions. A dicyandiamide aqueous solution at a certain concentration serving as a detection reagent and a to-be-detected sample are mixed, and the concentration of the copper ions in the to-be-detected sample is rapidly measured by a voltammetry method and by utilizing the fact that a coordination compound produced by reaction of the copper ions and dicyandiamide has electrochemical activity. Compared with the existing other copper ion electrochemical measurement method, the method for identifying the copper ions through specific combination of the copper and the dicyandiamide has the advantage that the detection reliability is improved; by the method, substances do not need to be modified on an electrode, pre-enrichment of the samples is not needed, the pretreatment process is simplified, and the copper ion concentration of the solution can be rapidly detected; and the method is simple and convenient to operate and suitable for rapid detection of the copper ion concentration of water.

The invention relates to the technical field of vat cleaning, in particular to a vat cleaning agent for treating foaming. The shortcoming of the short effective storage time, including defoaming agent, adhesion agent, second solvent and first solvent, and described defoaming agent comprises oily defoaming agent, and described first solvent comprises ethyl acetate, carbonate, methyl Sodium cocoyl taurate, simethicone, p-coumaric acid and water, the second solvent includes xylene, methanol and water. The present invention utilizes combined use to store the defoaming agent, adhesion agent, first solvent and second solvent in the form of separate placement, indirectly improving the effective storage time of the vat cleaning agent, and using p-coumaric acid to reduce the first solvent Its own internal slow reaction, p-coumaric acid can effectively use the second solvent to promote the reaction, improve the storage time, and accelerate the reaction rate of the cleaning agent.

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 relates to the technical field of biological experiments, in particular to an automatic sampling and storage device for biological laboratories, comprising a housing, the top of the housing is fixedly connected with a controller, and the inside of the bottom of the housing is fixedly connected with a storage battery The inside of the housing is fixedly connected with a slide rail, the inside of the slide rail is slidably connected with a slide plate, the inside of the slide plate is fitted with a sampling test tube, the inside of the left end of the housing is fixedly connected with a cleaning channel, the The inner side of the left end of the housing is fixedly connected with a solenoid valve, the inner side of the left end of the housing is fixedly connected with an electric cooler and a fixed rod, and the top of the fixed rod is fixedly connected with a fan. In the present invention, through the provided collection tube, soft Tubes, sampling test tubes and water pumps and other components can realize the collection of liquid samples, and can prevent the liquid samples collected for the first time from affecting the liquid samples collected for the second time, realize the role of automatic pipelines, and ensure the next time. Accuracy of sample collection.

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 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 discloses a video monitoring method based on dynamic image detection, which includes the following steps: step S1: wirelessly connect the dynamic image detection system to the image monitoring system of the existing architecture; step S2: the dynamic image detection system Perform dynamic image analysis on the collected image information, store the identified dynamic image and send the dynamic image and its time stamp to the background storage server and / or remote monitoring terminal via the Internet; step S3: the background storage server receives the dynamic image detection system Send the dynamic image, and use the dynamic image and its time stamp to mark the corresponding time point in the stored video surveillance information collected by the first image acquisition module, and preferentially cover unmarked video surveillance information during cyclic storage. Compared with the prior art, since the dynamic image detection system is wirelessly connected to the original image monitoring system, there is no need to change the hardware structure of the original image monitoring system.

The invention discloses a vacuum sealing container which is a quartz tube with an opening in the upper end. A sealing structure is arranged between the bottom and the opening end of the quartz tube. A cavity between the sealing cavity and the bottom of the quartz tube is in a vacuum or inert gas filling state. The sealing structure comprises a first sealing portion and a second sealing portion which are sequentially arranged from the bottom to the opening end of the quartz tube. A cavity between the first sealing portion and the second sealing portion is filled with titanium sponge. The invention further discloses a vacuum sealing method and a vacuum heat treatment method. Compared with the prior art, the sealing requirements for long-time vacuum heat treatment can be met, experiment results are ensured, operation is easy and convenient, and the implementation cost is low.