82results about How to "Keep the original shape" patented technology

The invention relates to a water body experiment apparatus and a water body experiment method. The apparatus comprises a sediment release unit, a culture unit, a control unit, a water body controlling system, and a water quality monitoring system. The sediment release unit, the culture unit, and the control unit are sequentially arranged adjacently. Each two adjacent units are connected with a baffle, such that an experiment box body with the three units communicating with each other is formed. The water body controlling system is used for regulating physical and chemical indicators of water body in the experiment apparatus. The water quality monitoring system is used for detecting the physical and chemical indicator values of water body, sediment, plankton and / or submerged aquatic plants in the experiment apparatus. According to the invention, sediment sampling, sediment pollutant releasing, and algae and submerged plant growing are effectively combined. With the apparatus, sediment release effect of different water environments can be simulated, and influences of different ecological projects (environmental-protection dredging projects and submerged aquatic plant restoration projects) upon water body eutrophication and water body pollution can be quantitatively studied.

The invention relates to a novel method for preparing a perovskite thin film. The novel method comprises a step of carrying out organic amine processing on a prepared perovskite precursor thin film, thereby preparing the perovskite thin film. According to the invention, the preparation technology is simple; cost is low; surface roughness of the thin film is low; crystallinity is high; and the novel method is applicable for preparing a large number of highly-efficient perovskite solar cells, light emitting diodes, light sensing elements and laser devices.

It relates to the arc shape bamboo wood original status restructuring material. It is made by arc bamboo plates with smooth inside and outside compressing and sticking along the same direction. It maintains the natural structure of the bamboo wood with high strength restructured material. It can replace many precious wood and all kinds of artificial board. It improves bamboo wood utilization rate and saves this particular resource.

The invention discloses a preparation method of a lithium iron phosphate / carbon nanotube composite material. The preparation method of the lithium iron phosphate / carbon nanotube composite material comprises the following steps: firstly stirring a water-based carbon nano tube dispersion liquid; then adding a lithium source, an iron source, phosphate, a carbon source and water, and stirring so as to form serum with certain consistency; then carrying out ball milling; then cooling and drying the serum after ball milling so as to prepare precursor powder containing a carbon tube; finally, sintering the precursor powder so as to obtain the lithium iron phosphate / carbon nanotube composite material. The design can guarantee that the prepared composite material not only is uniform in carbon coating layer and high in tap density, but also the carbon nano tube is dispersed among primary particles of a lithium iron phosphate material, and the electronic conductivity of the material can be improved greatly; the battery assembled by the composite material has a favorable electrochemical performance.

The medicinal coating powder containing nanometer material consists of hydromellose 55-65 wt%, copolymer of vinyl pyrrolidone and vinyl acetate 8 wt%, glycerin 15 wt%, Span 8 wt%, coloring agent 2-4 wt%, and nanometer titania 2-10 wt%. The medicinal coating powder containing nanometer material has simple production process, wide application, high performance / cost ratio, no physiological toxicity and many other advantages, and may meet the requirement of coating various solid Chinese medicine preparation.

The invention discloses a method for rapid optical clearing of biological tissues. The method includes: employs a strong polar aprotic solvent to conduct degreasing, wherein the strong polar aprotic solvent can be methyl methacrylate, hexamethylphosphoric triamide, N-methyl pyrrolidone, 1, 3-dimethyl-2-imidazolidinone, 1, 4-dioxane or 2, 5-dimethylfuran, then selecting a specific refractive index matching reagent with a refractive index of 1.52-1.59 to conduct clearing treatment, thus realizing rapid clearing of biological tissues. The degreasing and clearing treatment totally need only 18h to realize high clearing of mouse brain tissues, the method not only can realize brain tissue clearing, but also can achieve clearing of various organs, can well maintain the original morphology of biological tissues, and has high clearing degree and repeatability, and good fluorescence retaining effect, the soma and nerve fiber have strong fluorescence signal, and the application range is wide.

The invention discloses a method for manufacturing a crocodile specimen, which comprises the following steps: selecting a dead crocodile with unwounded skin; cleaning the crocodile and splitting the crocodile along the midline of the ventral face of the crocodile by using a scalpel vertical to the surface of the body; peeling off the skin and soaking the skin first in a 35 to 40 percent formaldehyde solution and then in a herb medicament prepared from cypress twig and leaves and eucalyptus leaves for antisepsis and sterilization; making the crocodile in a daily life state; and finally, drying the crocodile specimen for storage. The crocodile specimen made by the method can be stored for a long time without deformation and has high storage and visual values.

The invention discloses a platelet-rich plasma separation gel, a vacuum blood collection tube which is prepared by utilizing the separation gel and used for separating platelet-rich plasma, and a separation method. The platelet-rich plasma separation gel particularly comprises a resin, and the resin is prepared from the following raw materials in parts by weight: 120 parts of butyl acetate, 75-80 parts of phenethylene, 20-25 parts of butyl acrylate, 5-12 parts of acrylic acid, 2-2.5 parts of azodiisobutyronitrile (AIBN), and 0.5-0.8 parts of dodecyl mercaptan, and the specific weight ranges from 1.068 to 1.080 at the temperature of 25 DEG C and can be accurately adjusted according to the raw material ratio. The separation gel prepared by use of the resin and the manufactured vacuum blood collection tube are also included. When the blood collection tube is used for preparing platelet-rich plasma, the process is simple, convenient and easy, and the required time is short; repeated tube transfer is not required, so that cross contamination is avoided; and the operation is simple and convenient, the preparation cost is greatly reduced, the practicability and the feasibility are greatly improved, and a wide market prospect is achieved.

A process for preparing the instant dried sea cucumber includes such steps as pre-treating the fresh sea cucumber, immersing it in protecting liquid under vacuum condition, microwave sterilizing while shaping, vacuum freeze-drying, and sublimation drying. Its advantage is no damage to its nutritive components.

The invention discloses a column-shaped substrate sludge sampling device, and relates to collection of soil samples. The device is particularly suitable for collecting substrate sludge samples which are required to remain in original state though very loose. The device consists of a handle (1), a sample tube (2) and a sampling end (3); and the sampling end (3) comprises a rotating enclosed structure (4), a sampling end rear tube (6), a spring device (8), a sampling end front tip (9), a pin (7) and a tether (5). The invention is characterized in that during the process of pulling the sampling device out of the substrate sludge, the bottom part of the sampling tube is sealed tightly, so that the loose substrate sludge samples can be prevented from being washed away, and the gathered substrate sludge samples can be better remain in the original state. The device has the advantages of simple structure, convenient operation and the like, and can be widely applied to sampling of underwater substrate sludge and lake core sediment.

The invention relates to a ladder-shaped bamboo original state recombined material and a manufacturing method thereof, which belong to the field of materials. The ladder-shaped bamboo original state recombined material is formed by orderly arranging and splicing smooth ladder-shaped bamboo boards which take bamboo outers as ladder-shaped upper bases and bamboo inners as ladder-shaped lower bases; and the ladder-shaped bamboo boards can take the shape of an isosceles trapezoid or a non-isosceles trapezoid. The ladder-shaped bamboo original state recombined material has the advantages: a rounded hollow bamboo slab is processed into the ladder-shaped bamboo board so as to carry out original state bamboo slab recombination on the basis of keeping the natural structure of the bamboo according to characteristics of hollowness and cone-shape of the bamboo and large differences of the bamboo outers, the bamboo inners and bamboo joints in terms of the metal property and the like; compared with the traditional rectangular (square) combination, the utilization rate is increased due to the original state combination; multiple geometric figure recombination can be realized, and the recombined bamboo material with high strength can be manufactured. The ladder-shaped bamboo original state recombined material can be used for replacing precious woods and various artificial slabs. The utilization rate of the bamboo resources is increased, and wood resources are saved. The invention also provides a manufacturing method of the recombined material.

The invention discloses a fiber reinforced heating device (100) and a mattress equipped with the fiber reinforced heating device (100). The heating device (100) comprises flexible filaments (11) woven vertically and horizontally into a network, hard synthetic resin filaments (12) alternately woven with the flexible filaments (11) in the vertical or horizontal direction, and Copper wire (32) braided with flexible filaments (11) on the longitudinal edges on both sides and center, and the braided material is dipped in liquid carbon and then dried. Connect the copper wires (32) on the two longitudinal edges to the positive (+) terminals (31, 51) and the copper wire in the center to the negative (-) terminal (41). The carbon-coated woven material has a coating (90) formed by compressing or impregnating a gel-type flexible synthetic resin at the top and bottom. The heating device (100) can maintain the original network structure through the hard synthetic resin filaments (12) while maintaining flexibility. The heating device (100) has excellent durability because the flexible filament (11) does not break even when the heating device is subjected to bending or folding. Furthermore, the heating device (100) can provide localized heating by selectively applying power to the positive (+) terminals (31, 51) on both sides.

The invention relates to a method for processing a dendrobium huoshanense plant dry product. The method comprises the following process steps of: harvesting, picking, putting, fixing shapes, freezing quickly at ultralow temperature, dehydrating and drying under vacuum, sealing and packaging, namely selecting dendrobium huoshanense plants which are healthy and strong in growth and have the growth time of 2 to 5 years and the plant height of between 1 and 11 centimeters, picking the plants, washing, and fixing the shapes in a die; when the temperature of a freeze drying chamber is reduced to -80 DEG C, putting the die into the freeze drying chamber, freezing quickly, and reducing air pressure in the freeze drying chamber; heating gradually, drying under the vacuum for 34.5 hours until the pressure reaches to 10 pa, maintaining for 13 hours and halting; and weighing the dendrobium huoshanense plants, vacuumizing and packaging. In the method, in the process from drying to packaging of thedendrobium huoshanense plants, the original forms of the dendrobium huoshanense plants are kept, and the risk of counterfeiting the dendrobium huoshanense plants is reduced, so the reliability and cognition degree of products can be improved; and in the processing method, processing processes such as crushing and the like are avoided, so active ingredients and nutrient substances in raw materialsare ensured.

The present invention belongs to biomedicine engineering and is one method of constructing engineered tissue. The present invention features that biogel liquid is first prepared and them mixed with seed cell to form cell-biogel suspension, which exists first in liquid state and then in solid in certain condition, to realize double phase inoculation of seed cell in 3D rack. The tree parts of seed cell, biogel and 3D rack forms one united integral and this can realize the efficient combination between cell and material without loss or dropping, maintain the 3D homogeneous distribution of cell in material and maintain the initial form of the engineered tissue. The method of the present invention has simple operation, easy control and short culture period.

The invention relates to a processing method of panax notoginseng and other medicinal materials. The method adopts a device invented in the invention named Medicine and Edible Material Processing Device to produce, and allows panax notoginseng and other medicinal materials, a juice obtained by juicing panax notoginseng and other medicinal materials or a material obtained after extraction to be rapidly processed at below 50DEG C in order to rapidly prepare a powder with a required water content within 30min, so the loss of volatile components is reduced, the volatile components can also be recovered, the original form of the materials can be maintained as required, the problems of present methods are solved, and processing requirements of panax notoginseng and other fresh drugs, and edible materials can be met.

The invention discloses a modularized vacuum adsorption curve type thin plate element conveying device, which comprises a top plate, a cross beam and an air cylinder assembly module and is characterized in that a plurality of guide rails are arranged on the top plate, the cross beam extends into the corresponding front and back guide rails and can move along the front and back guide rails, left and right guide rails are arranged on the cross beam, the bottom of an air cylinder piston rod of the air cylinder assembly module is provided with a universal joint, the universal joint is connected with a suction disc arranged at the bottom of the universal joint, the suction disc is connected with a vacuum pipeline of vacuum equipment through a vacuum adsorption joint, guide rail grooves are connected into the air cylinder side wall, and the air cylinder assembly module is connected with the left and right guide rails through the guide rail grooves and can move along the left and right guide rails. The problem that the vacuum adsorption plate element conveying device in the prior art cannot be perfectly applicable to plate elements with different curvature variations, different wall thicknesses and different weight series is solved by the modularized vacuum adsorption curve type thin plate element conveying device, and the modularization-based vacuum absorption curve type thin plate element conveying device capable of being expanded and regulated according to actual use conditions is provided.

The invention provides a puccinia striiformis f. sp. tritici uredospore automatic statistical counting method, which can be used for quantitative monitoring and accurate counting of puccinia striiformis f. sp. tritici uredospores in outdoor field air. The method comprises the following steps of collecting a microscopic image of the puccinia striiformis f. sp. tritici uredospores to a computer through a TPBZ3 spore capturer and a research-level microscope; and then performing a K-means clustering algorithm, morphological processing, shape factor and area-based adhered spore judgment, concavity-based adhered contour segmentation and adhered spore contour section fusion and counting, wherein the counting accuracy can reach 98.6%, and automatic statistics and counting of the uredospores are realized. The method is high in counting precision and high in practicality, solves the difficult problem, urgently needed to be solved, of counting of the puccinia striiformis f. sp. tritici uredospores in the outdoor field air, and provides technical support for online development of a puccinia striiformis f. sp. tritici uredospore monitoring device.

The invention discloses a virtual detector for concrete performance and a detecting method and belongs to the field of concrete detection. The virtual detector is composed of a photographing unit, a data input unit, a calculating unit and a result output unit. By pre-arranging a concrete performance prediction model, an original image, obtained in the photographing unit, of a to-be-detected concrete test block and match ratio data are substituted into the concrete performance prediction model, thus corresponding concrete performance prediction values comprising a destruction image, concrete compressive strength and the slump after a concrete compressive strength experiment can be obtained so as to obtain concrete strength and flowability indexes. The problem that concrete strength and slump detection needs tedious, time-consuming and force-consuming manual experiments is solved, the whole detection process is simple and easy to implement, and the structure is concise and is miniaturized. Through the virtual detector and the detecting method, concrete is virtually detected, the cost can be effectively lowered, and environment friendliness is achieved.

The invention relates to a sampling device and in particular to a turnover type unconsolidated sediment sampling device which comprises a sampling end cover, a first sampling cylinder, a steel wire rope, a second sampling cylinder and a sampler, wherein the lower end of the sampling end cover is mounted at the upper end of the first sampling cylinder; the lower end of the first sampling cylinder is in threaded connection with the upper end of the second sampling cylinder; the lower end of the second sampling cylinder is in threaded connection with the upper end of the sampler; the upper end ofthe steel wire rope is connected with the sampling end cover; the lower end of the steel wire rope is connected with the sampler. The sampling device has the beneficial effects of being simple in structure and convenient to operate, requirements of different sampling depths can be met by increasing and decreasing the number of the second sampling cylinders according to sampling depths, the sampling cylinder can be divided into two parts, morphology of a sample is not damaged when being taken out from the sampling cylinder, and thus a relatively complete columnar sample can be taken; when sediment is pulled out, the bottom of the sampling device can be tightly sealed, so that loss of an unconsolidated sediment sample is effectively prevented, and original properties of a taken sample can be relatively well maintained.

The invention relates to a method for modifying silicon dioxide aerogel. The method of the invention is characterized in that the nature of the azeotropy of C4 to C10 aliphatic alcohols and water under the constant temperature is utilized for removing free water in the silicon dioxide wet gel; the esterification reaction of alcohol and hydroxyl on the surface of silicon dioxide is utilized for the surface finishing and modification of the silicon dioxide aerogel so as to obtain water repellent products; wherein, the mass ratio of the silicon dioxide, the water, the a lcohol and a catalyst is 1: (8.0 to 9.5): (10 to 20): (0.01 to 0.05) and the catalyst is alkyl-sulfuric acid, alkyl sulfate or alkyl sulphate ion, aryl sulfonic acid, aryl-sulphonate or aryl-sulphonate ion. The invention also relates to the silicon dioxide aerogel obtained by the method and the surface of the silicon dioxide aerogel is dehydrated and contains aliphatic groups.

The invention discloses a bdellovibrio freeze-drying preparation and a corresponding freeze-drying method. The method comprises the following steps of preparing bacteria solution according to a conventional culture method of bdellovibrio bacteriovorus to obtain a bdellovibrio bacteriovorus water preparation; mixing the bdellovibrio bacteriovorus water preparation with a freezing agent to obtain a mixed solution to be subjected to freeze drying; putting the mixed solution to be subjected to freeze drying into a freeze-drying container to be subjected to freeze-drying so as to obtain the bdellovibrio bacteriovorus freeze-drying preparation. Through data calculation, the shelf life of the bdellovibrio bacteriovorus freeze-drying preparation is much longer than that of a freeze-drying product obtained by a freeze method and a corresponding freeze agent in the prior art; the shelf life of the bdellovibrio bacteriovorus freeze-drying preparation is obviously prolonged. In addition, a protection agent provided by the invention has low price, and is suitable for large-scale popularization.

An embodiment of the invention relates to a tissue vitrification liquid SUT, which mainly comprises SDS, urea and TritonX-100. The invention further relates to a preparation and application of the tissue vitrification liquid SUT. The tissue vitrification liquid SUT provided in the embodiment is reduced in preparation cost and difficulty, is improved in vitrification effect, and has a cardiac muscle vitrification degree superior than that of some vitrification liquids in the prior art.

The invention discloses a process method for extracting theine from teas. The process method comprises the steps of firstly performing pretreatment by microwave, heating the teas to be not higher than the lower limit of the extraction temperature of supercritical CO2, and extracting by combining ultrasound and supercritical CO2 to obtain the natural theine, wherein the extraction pressure is 20-28MPa, the temperature is 45-65 DEG C, and the desorption temperature is 40-55 DEG C. The process method provided by the invention effectively strengthens the process for extracting theine and improves the extraction rate to 85-95%; when the process method is applied, the non-crushed teas not only remain the original shape but also retain the flavor of the teas, and especially retain over 90% of polyphenol compound after the extraction of theine, so that the teas still can meet the needs of special consumers. The process method provided by the invention has the advantages of high safety and efficiency, low cost, simple process, convenience in operation, and easiness of scale production.

The invention discloses a soil sampler, comprising a first sampling drill bit, a second sampling drill bit, a first slot, a second slot, a first connecting rod, a second connecting rod, a first handle, a second handle, a first A fastener, a second fastener, a first connecting strip and a second connecting strip; first slots are arranged on both sides of the first sampling drill bit, and the bottom end of the first sampling drill bit is connected to one end of the first connecting rod connected, and the first sampling bit and the first connecting rod are coaxial; the two sides of the second sampling bit are provided with second slots; the bottom end of the second sampling bit is connected to one end of the second connecting rod, and the second sampling The drill bit is coaxial with the second connecting rod. In the present invention, two semicircle-arc sampling drill bits are inserted into the soil successively for sample collection, and the sampling drill bits are easy to press down in the soil; the vertical pressure on the soil sample is small during the pressing down process, and it is easy to keep the original state of the soil; The arc sampling drill bit can be separated directly, which is convenient for taking out the soil sample from the sampling head, and effectively avoids disturbing the soil sample again.

The invention discloses a natural bee bread producing device. The natural bee bread producing device includes at least one bee-bread storage plate and a bee-bread storage frame, the bee-bread storage plate frame is provided with at least one containing part for containing the bee-bread storage plates, and the bee-bread storage plates are detachably connected with the bee-bread storage frame. The natural bee bread producing device is good in practicability and easy to disassemble. By the adoption of a bread removing device and a natural bee bread producing method which are matched with the natural bee bread producing device, high-quality natural bee bread can be rapidly produced, the original shape of the bee bread is maintained, wax dust, husks and other impurities do not exist, the operation is convenient, and the producing efficiency of the bee bread is greatly improved.

The invention relates to the field of lithium batteries, and discloses a two-dimensional layered lithium nickel phosphate positive electrode material and a preparation method thereof. The preparationmethod comprises the following steps: (1) taking a biomass resource as a raw material and ionic liquid as a template agent, and performing reacting to prepare a dark brown carbon product; (2) calcining the dark brown carbon product to prepare a carbon material of a two-dimensional layered structure; (3) adding a carbon material, a lithium source, a nickel source, a phosphorus source and a surfactant into deionized water to prepare slurry; (4) carrying out hydrothermal reaction on the slurry and collecting a product; (5) performing the freeze-drying of the product to prepare a two-dimensional layered lithium nickel phosphate precursor; (6) calcining and collecting the precursor to prepare the two-dimensional layered lithium nickel phosphate positive electrode material. The lithium nickel phosphate positive electrode material prepared in the invention takes the carbon material as a skeleton, has good conductivity, greatly improves high-rate stability, and meanwhile, has the advantages ofsimple whole preparation process, low energy consumption, low cost, greenness and environmental protection.

The invention discloses a whole-section type soil sampling device and a sampling method. The soil sampling device is used for being installed on a sampling frame to be matched with sampling. The soilsampling device comprises a sampling frame, a lifting mechanism and a cutter, wherein the sampling frame is provided with an accommodating cavity matched with the sampling frame, and the accommodatingcavity is provided with an opening end; the lifting mechanism is arranged on the sampling frame; and the cutter is arranged on the lifting mechanism and located at the opening end of the accommodating cavity, and the cutter translates from one side of the opening end of the accommodating cavity to the other opposite side of the opening end of the accommodating cavity under the action of the lifting mechanism so as to cut and separate soil in the sampling frame from external soil and thus achieve whole-section soil sampling. Compared with the prior art, the soil sampling device has the advantages that automatic cutting and sampling of soil can be achieved, time and labor can be greatly saved, the cost is reduced, the soil sampling device is particularly suitable for hard or high-compactness soil such as dry cohesive soil and alkaline soil, the formed cutting surface is smooth and tidy, and later specimen renovation is facilitated.

The invention relates to a sampling device, in particular to a loose sediment sampler. It includes a first sampling barrel, a sliding mechanism, a connecting spring, a second sampling barrel, a sampling outer cover, a sampling end cover, a sampling inner cover, a bottom cover plate, a pressure relief hole, etc., and a pressure relief hole is provided at the center of the upper end cover. The sliding mechanism is set on the outside of the first sampling barrel and can slide up and down along the outer cylindrical surface of the first sampling barrel. The outer cylindrical surface of the first sampling barrel is sequentially provided with grooves and initial position lines, Terminate the position line, the sampling outer sleeve is set outside the sampling inner sleeve. Beneficial effects: the device is simple in structure and easy to operate, and the number of sampling barrels can be increased or decreased according to needs, and the bottom of the sampling device can be tightly sealed during the process of pulling out from the sediment, which can effectively prevent the loss of loose sediment samples, and the collected samples It can better maintain the original properties, and the internal and external pressure difference is consistent, which reduces the difficulty of sampling and improves the sampling efficiency.

The invention discloses a liquid based cell preservative fluid which is used for matching with an imported or home-made film type liquid based cell film making machine for making films and belongs to the technical field of medicaments. The liquid based cell preservative fluid basically consists of the following components according to the ratios by volume: 10-30 percent of alcohols and the balance of double distilled water; the liquid based cell preservative fluid comprises the following components with the concentration expressed in percentage by mass / volume: 0.1-3.0 percent of phosphate, 0.1-2.0 percent of phenol and 0.1-2.0 percent of N-methyl-N-cyclohexyl-2-amino-3, 5-dibromobenzylamine. Firstly, the invention uses an ordinary biochemical reagent, and the price of consumptive materials is reduced in comparison with the cell preservative fluid produced by an imported auxiliary consumptive material Thinprer TCT. Secondly, because the N-methyl-N-cyclohexyl-2-amino-3, 5-dibromobenzylamine as a unique mucus decomposer is used, the cells wrapped by the mucus in a sample can be successfully separated, avoiding the accumulation and loss of positive cells. Smears prepared by using the liquid based cell preservative fluid to match with an automatic film making machine have clear and transparent backgrounds and uniformly distributed cell monolayers, and are convenient for the film reading of doctors in a pathology department.

The invention discloses a column-shaped substrate sludge sampling device, and relates to collection of soil samples. The device is particularly suitable for collecting substrate sludge samples which are required to remain in original state though very loose. The device consists of a handle (1), a sample tube (2) and a sampling end (3); and the sampling end (3) comprises a rotating enclosed structure (4), a sampling end rear tube (6), a spring device (8), a sampling end front tip (9), a pin (7) and a tether (5). The invention is characterized in that during the process of pulling the sampling device out of the substrate sludge, the bottom part of the sampling tube is sealed tightly, so that the loose substrate sludge samples can be prevented from being washed away, and the gathered substrate sludge samples can be better remain in the original state. The device has the advantages of simple structure, convenient operation and the like, and can be widely applied to sampling of underwater substrate sludge and lake core sediment.