111results about How to "Avoid external pollution" patented technology

The invention relates to a visible / near infrared spectroscopy-based poultry infertile egg detecting method and device. The device is a poultry egg detecting device based on visible / near infrared spectroscopy. The device comprises a power source (1), a heat sink (2), an object carrying table (3), a light probe (4), a support (5), an optical fiber (6), a temperature sensor (7), a light source (8) and a detection dark box (9) and also comprises an optical signal sensor (10). The device can monitor environment temperatures in a poultry egg detection process and prevents influences of overhigh temperatures on normal incubation of poultry eggs to be detected. The adjustable probe is adopted, and the position of the light probe can be fixed without adjustment when samples of a same kind are detected, thus reducing detection time. The device adopts a non-contact detection process, overcomes disadvantages that traditional egg candling or other detecting methods need contact with poultry eggs to be detected, and avoids the problem of outside contamination caused by contact type detecting methods. The device and the method (through building an optimum mathematic model from poultry egg spectrum data and fertilization results) can detect, in high accuracy, infertile eggs and fertile eggs before incubation and can increase the production efficiency.

The present invention provides a microbial sample processing device, comprising: a machine body provided with a machine chamber and a sealed movable door; and a sealed housing, a stretchable airbag, a sample tray, a mechanical arm, a bar code scanner, a liquefier, culture dishes, a gas-temperature sensor, and a temperature control device which are arranged in the machine chamber, wherein the sample tray is provided with a plurality of sample seats, the sample seats are used for placing the culture dishes, the liquefier is communicated with the culture dishes, each culture dish is provided with culture plates and a streak-inoculation pen used for streak inoculating the sample in the culture dishes from the liquefier on the culture plate. The microbial sample processing device is reasonable in structure, fast and safe, reliable and efficient, can complete the whole process of mixing and liquefying, streak inoculation, dilution and separation, and incubation of microbial community automatically in a one-stop manner, and can replace manual labor and ensure biological safety.

The invention discloses lubricating oil containing sheet magnetic nanometer Fe3O4 particles and a preparation method of the lubricating oil. The preparation method of the lubricating oil comprises the following steps of: (1), using oleic acid to clad sheet magnetic nanometer Fe3O4 particles to carry out surface modification to obtain modified Fe3O4 particles; (2), mixing the modified Fe3O4 particles with III base oil, wherein mass fraction of the modified Fe3O4 particles is 0.1%-2.0wt%, and preparing the lubricating oil containing sheet magnetic nanometer Fe3O4 particles through ultrasonic dispersion and high-speed shearing dispersion. The lubricating oil prepared by the preparation method disclosed by the invention has extremely good friction resistance and abrasion resistance, and high carrying capacity. Moreover, the prepared lubricating oil has the advantages of being stable in characteristics, capable of being stored for a long time without precipitation. Besides, the lubricating oil can be extensively applied to mechanical lubricating, can be used for saving energy consumption and prolonging service lives of mechanical parts, and therefore, the application prospect is extensive.

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.

The invention relates to blend oil, particularly to peony seed oil for puerperae and a preparing method. The blend oil provided by the invention includes the following components in parts by weight: 15-30 parts of peony seed oil, 69.5-84.9 parts of soybean oil and 0.1-0.5 part of sanchi extract. The blend oil is prepared completely according to requirements of puerperae, is complete and reasonable in nutritional ingredients, very good in mouthfeel, and benefits to human health. The preparation method for the blend oil, provided by the invention, includes the following steps: freezing peony seeds soaked in water, smashing the seeds at a low temperature and microwave vacuum drying the peony seeds. According to the blend oil and the preparing method, extraction of peony seed oil is facilitated, loss of effective constituents is reduced, and the oil extraction rate is improved.

The invention relates to a 3D (Three-dimensional) desktop printing method and system. Compared with the traditional method, the difference is characterized in that an adhesive is only sprayed in the current layer of contour area in the printing process, and the cutting is carried out on a layer after the adhering is carried out on the layer. The method and the system provided by the invention have the beneficial effects of greatly saving processing auxiliary materials and reducing the manufacturing cost of processing equipment.

The invention provides a chromatographic separation device, and a method for separating a vitamin C mother liquor by using the same. The chromatographic separation device comprises a feed tube, discharge tubes and a plurality of separators connected in series, a distributor, a separation material layer and a collector are sequentially arranged in the tank body of every separator from top to bottom, the distributors are connected with the feed tube, and the collectors are communicated with the discharge tubes; the outlet of the collector of every separator is communicated with the inlet of thedistributor of the next separator; and the outlet of the collector of the last separator is communicated with the inlet of the distributor of the first separator. The vitamin C mother liquor is subjected to decolorizing, filtration, concentration, ion exchange and secondary filtration, then is conveyed into the chromatographic separation device, and is separated to obtain gulonic acid and vitaminC. The chromatographic separation device, and a method for separating a vitamin C mother liquor by using the same have the advantages of short process route, low running cost, and great reduction of the sewage discharge amount.

The invention relates to a ceramic matrix composite material and a method for preparing the same, in particular to a TaC-TaSi2 ceramic composite material synthesized by hot pressing reaction in situ and a method for preparing the same. The two components TaC and TaSi2 are reacted in situ with a volume percentage of 0<Tasi2<100%. The preparation method comprises firstly milling the raw materials of tantalum powder, silicon powder and graphite powder for 12-48 hours in a resin tank under a dry condition, cold press forming(5-20MPa) in a graphite mould after sieving, sintering the moulded product in a vacuum or argon atmosphere hot pressing furnace with a heating rate of 10-15 DEG C / min, a sintering temperature of 1600-1700 DEG C, an insulation sintering time of 1-2 hours and a sintering pressure of 30-40MPa. The TaC-TaSi2 ceramic composite material with high density and good mechanical property can be rapidly prepared at a lower temperature using the preparation method of the invention.

The invention discloses a disinfection device for a medical device. The disinfection device comprises a shell, a cleaning part and a disinfection part, wherein the cleaning part is positioned at the left side of the shell, and the disinfection part is positioned at the right side of the shell. The disinfection device provided by the invention has the advantages that the cleaning and disinfection are carried out separately, the cleaning is more thorough, the disinfection is more complete and the cleaning and disinfection are carried out in the shell to avoid external pollution.

A system for producing kombucha-based alcoholic beverage includes a brew vessel for steeping tea to form a tea liquor, a primary fermentation vessel configured for anaerobic fermentation of a tea liquor into an alcoholic brew, a secondary fermentation vessel configured for further anaerobic fermentation of the alcoholic brew to an alcohol by volume (ABV) of at least 7%, an aerobic fermenter for fermenting tea liquor when mixed with sugar and inoculated with a symbiotic culture of bacteria and yeast (“SCOBY”) to form a fermented tea liquor, and a mixing tank dimensioned and configured to mix the alcoholic brew and the fermented tea liquor in desired ratios to produce a fermented alcoholic beverage having an ABV of approximately 3% to 7%. A method for producing kombucha-based alcoholic beverage is also disclosed.

The invention discloses a ceramic powder preparation method based on freezing casting molding. The method comprises the following steps: (1) mixing a powder raw material, a solvent and an additive toobtain slurry with the solid phase content of 30-70wt%; (2) converting the slurry into a raw material blank with an internal through hole structure by adopting freezing casting molding and vacuum freeze drying processes and utilizing a temperature gradient formed by a mold; (3) putting the raw material blank into a reaction device with airflow control and anti-pollution functions in a high-temperature graphite sintering furnace, and carrying out high-temperature synthesis in a controlled reaction environment; and (4) carrying out ball milling and carbon removal process treatment on the raw material blank synthesized at high temperature to obtain the high-purity ceramic powder. The method can be used for macroscopic preparation of ceramic powder such as nitride and nitric oxide based on high-temperature gas-solid synthesis reaction, and has good application prospect and popularization value.

The invention relates to a ceramic matrix composite material and a synthetic method thereof, which are concretely an in-situ reactive synthesized TaC-SiC ceramic composite material by hot pressing and a synthetic method thereof. The method aims at solving the problems that the oxidation resistance of TaC is not ideal and loose surface oxide layers are easy to form in an oxidizing atmosphere, and the like. Two composition phases of TaC and SiC are in-situ formed and the percentage content of SiC is 0 to 50vol. percent. The concrete synthetic method is as follows: tantalum powders, silicon powders and graphite powders are used as materials which are ball milled for 10 to 40 hours under dry condition in a resin tank, after sieving the materials are put in a graphite die for cold molding (5 to 20 MPa), and then the materials are sintered in vacuum or a hot pressing furnace introduced with argon, with the sintering temperature of 1950 to 2150 DEG C, heat preserving sintering time of 1 to 2 hours and sintering pressure of 30 to 40 MPa. The synthetic method can synthesize the TaC-SiC ceramic composite materials by in-situ reaction, the prepared TaC-SiC ceramic composite materials are mainly used for structural components of ablation resistance under high temperature and anti-oxidation and the materials are applied to the aerospace field.

The invention specifically relates to a lubricating oil containing oleic acid-modified superparamagnetic nanometer hollow beads and a preparation method thereof, belonging to the technical field of lubricating oil. The lubricating oil comprises the following components: 1, 0.1 to 2 wt% of superparamagnetic nanometer hollow Fe3O4 beads grafted with oleic acid function groups; and 2, 98 to 99.9 wt% of three kinds of base oil. The preparation method comprises the following steps: 1, synthesizing the superparamagnetic nanometer hollow Fe3O4 beads in one step by using a solvothermal synthesis method and grafting the oleic acid function groups onto the surfaces of the superparamagnetic nanometer hollow Fe3O4 beads at the same time; 2, mixing the hollow Fe3O4 beads grafted with the oleic acid function groups and the three kinds of base oil; 3, subjecting a product obtained after previous mixing to ultrasonic dispersion; 4, carrying out high-speed shearing and dispersion on the product having undergone ultrasonic dispersion; and 5, preparing the finished lubricating oil containing the oleic acid-modified superparamagnetic nanometer hollow beads. The lubricating oil containing the oleic acid-modified superparamagnetic nanometer hollow beads have excellent resistance to friction and abrasion, high bearing capability and stable quality and produce no precipitation after long-term storage.

The invention relates to the field of towel drying equipment, and in particular relates to a portable towel dryer. The portable towel dryer comprises a main housing, a top cover matched with the main housing, a pedestal and a power socket, wherein the main housing is arranged on the base; the power socket is connected with a circuit board in the main housing through a conductor; a heating plate connected with the circuit board is arranged in the main housing; a fan used for blowing air upwards is arranged below the heating plate; a metal net erected on a boss at the sidewall of the main housing is arranged above the heating plate; the main housing is spherical and is characterized in that a flow guide groove which extends from top to bottom is formed in the sidewall, a draining hole is formed in the bottom part, and a control button is arranged at the outer part. When in use, a towel is placed on the metal net in the dryer, the power supply is connected, and then the water in the towel can be evaporated, thus the towel can be quickly dried, and an environment suitable for bacterial reproduction is removed; therefore, the towel drying equipment is beneficial for human health.

The invention discloses a connecting device for a water inlet pipe of a washing machine and relates to the technical field of washing machines. The device comprises a water outlet head and the water inlet pipe; the water outlet head is mounted at the water outlet end of a water faucet; the first end of the water inlet pipe is connected with the water outlet head; the second end of the water inletpipe is connected with a water inlet of the washing machine; a sealing plug capable of moving up and down is mounted in the water outlet head and is used for sealing the water outlet of the water outlet head; the upper end of the sealing plug is connected with a compression spring; an ejecting column is arranged in the first end of the water inlet pipe; and when the outside of the water outlet head is sleeved with the water inlet pipe, the sealing plug is opened upwards by the ejecting column, and thus the water inlet pipe communicates with the water outlet head. According to the connecting device, the water faucet and the water inlet pipe are connected quickly by the aid of the water outlet head, and the sealing plug is arranged in the water outlet head, so that the problem of water leakage of the water faucet when the water inlet pipe slides down accidentally is effectively avoided; and meanwhile, the upper end of the sealing plug is connected with the compression spring, so that pressing sealing is safer and more reliable, and water leakage accidents can be completely eradicated.

The invention relates to a rolling type efficient optical fiber grinder. The rolling type efficient optical fiber grinder comprises a crate, a grinding piece conveying mechanism, an optical fiber fixture mechanism and a driving motor. The grinding piece conveying mechanism comprises an unreeling mechanism, a reeling mechanism and a supporting belt mechanism. The optical fiber fixture mechanism comprises an optical fiber fixture, a fixture tray and tray rotating shafts. The tray rotating shafts are symmetrically mounted in the crate. The tray rotating shafts are connected with the fixture trayby eccentric wheels. A belt wheel transmission mechanism is mounted at the bottoms of the tray rotating shafts. The driving motor drives the tray rotating shafts to rotate by the belt wheel transmission mechanism. Worms at the two tray rotating shafts are engaged with worm gears. The worm gears on two sides synchronously drive reeling shaft gears on two sides of the reeling mechanism and supporting belt gears on two sides of the supporting belt mechanism by an intermediate gear set. The driving motor drives the reeling mechanism and the supporting belt mechanism to run. The rolling type efficient optical fiber grinder is suitable for accurate machining of optical fibers on the slight-convex spherical end face. A plurality of rows of optical fibers can be processed at one time, production efficiency is high, grinding tools can be fully used, and the processing cost is lowered.

The invention relates to the technical field of food production and processing, and discloses instant boudin and a manufacturing method thereof. On the basis of the concept of a healthy diet, the invention provides the manufacturing method of the healthy nutrient instant boudin which is prepared from the following main raw materials: skinless chicken breast, pig leg meat, pig fat and pig blood. The pig blood which is cheap, nutrient-rich and palatable and is easy to obtain is used as the flavor raw material and a simple and stable process is adopted to process the instant boudin, the original flavor and nutrition of the raw materials of the product are kept to the maximum, and the obtained instant boudin has the advantages of good color, aroma and taste, balanced nutrition, strong meat feeling, mastication resistance and dense texture. Equipment needed for preparing the instant boudin is common equipment and has the advantages of low cost, high operability and easiness in mass production, an additional value of the pig blood is increased, additionally, a nutrient healthful food with high cost performance is provided for the masses, and good popularization and market values are obtained.

The invention discloses a sterilizing device for medical instruments in delivery rooms and relates to the field of the medical instruments in the delivery rooms. The problem that an existing sterilizing device is low in sterilizing efficiency is to be solved. The sterilizing device comprises body. An opening is formed in the upper end of the body, and a washing box is installed below the opening.A moving plate is movably installed on the bottom of the washing box and provided with multiple water leaking holes. A stirring box and a waste water box are further installed in the body. A gap is slightly formed between the stirring box and the moving plate. A rotating shaft is arranged in the stirring box, and a water drainage opening is formed in the bottom of the stirring box. A communicatingpipe is arranged in the rotating shaft and provided with a liquid outlet. Stirring assemblies are uniformly installed on the exterior of the rotating shaft. The sterilizing device is reasonable in design, the medical instruments in the delivery rooms are flushed, stirred and sterilized, disinfectant and the medical instruments in the delivery rooms are sterilized dynamically, the sterilizing effect can be improved, the sterilizing time is shortened, and the use effect is good.

The invention discloses a blockchain label placing device which comprises a box body. A sealing door is hinged to the box body through a hinge, the two sides of an inner cavity wall of the box body are provided with sliding rails, placing boxes are arranged on the sliding rails in a sliding mode, partition plates are arranged in the placing boxes and divide an inner cavities of the placing boxes into a plurality of storage cavities, air suction pipes are arranged on the two sides of the bottom of the box body correspondingly, air suction fans are installed in the air suction pipes, connectingpipes are in threaded connection with the outer ends of the air suction pipes, a first filter net and a second filter net are arranged in the connecting pipes, and a drying agent is arranged between the first filter net and the second filter net. Compared with the prior art, the blockchain label placing device has the advantages that external pollution can be prevented, moisture can be prevented,and labels can be placed in a classified mode.

The invention provides a full-automatic mechanized intelligent strip-shaped pseudostellaria root processing method. The technological process comprises the following steps: immersing, air bubble cleaning, high pressure washing, tap water spraying, low-temperature drying, vibrating strip-tidying desilking, high-temperature drying, tail removal, screening grading, and packaging. By the mechanized intelligent processing method, whole-process linkage can be achieved, and fresh soil-carrying pseudostellaria root dug from a base can be directly processed into tail-removed graded strip-shaped finished product pseudostellaria root. Through the technological improvement, whole-process automatic processing can be realized, and closed operation can be achieved. By the method, processing efficiency is enhanced, and health and safety of the production process are guaranteed and appearance and quality of pseudostellaria root are also improved.

The invention provides a spindle-shaped material tail removing machine which comprises a feeding mechanism, an impurity removal screening mechanism, a tail removing mechanism and a dust removal mechanism; the tail removing mechanism comprises a mesh tail removing rotary drum, a tail removing scraping plate located at the bottom of the outer side of the mesh tail removing rotary drum, and a tail receiving hopper which is connected to the bottom of the tail removing scraping plate in a supporting mode; and the tail end of the mesh tail removing rotary drum communicates with a discharging hopper. With the adoption of the spindle-shaped material tail removing machine, mechanical impurity removal, preliminary screening, tail removing and dust removal of spindle-shaped materials like radix pseudostellariae can be realized.

The invention relates to blending oil and particularly relates to refreshing and eyesight improving type peony seed blend oil and a preparation method. The blend oil provided by the invention comprises following components in parts by mass: 15-30 parts of peony seed oil, 69-84 parts of peanut oil, 0.1-0.9 part of a chrysanthemum extract and 0.1-0.9 part of a mulberry leaf extract. The blend oil is prepared according to the refreshing and eyesight improving requirements completely; nutritional ingredients are comprehensive and reasonable and the mouth feel is very good; the blend oil is very good for health of a human body; according to the preparation method of the blend oil provided by the invention, peony seeds are immersed by water and then are frozen; the peony seeds are crushed at a low temperature and then are dried by microwave in vacuum so as to be good for extracting the peony seed oil, reducing the loss of active ingredients and improving the oil yield.

The invention provides a chromatographic separation device and a method for using the chromatographic separation device to separate vitamin C mother liquor. The chromatographic separation device includes a feed pipe, a discharge pipe, and a plurality of separators connected in series in series. Distributors, separation material layers, and collectors are arranged in sequence in the tank of the separators from top to bottom, and each distributor communicates with the feed pipe. , each collector communicates with the discharge pipe; the outlet of the collector of the upper separator communicates with the inlet of the distributor of the next separator; the outlet of the collector of the last separator communicates with the outlet of the first separator The inlet of the distributor is connected. The vitamin C mother liquor is decolorized, filtered, concentrated, ion exchanged and secondary filtered in sequence, and then sent to a chromatographic separation device for separation to obtain gulonic acid and vitamin C. The chromatographic separation device and the method for separating vitamin C mother liquor provided by the application have short process routes, low operating costs, and greatly reduced sewage discharge.

The invention relates to a container for accommodating a chemical reagent, in particular to a reagent bottle. The reagent bottle comprises a bottle body and a bottle cap, wherein a depression is formed outside the bottle body, so that an adhered reagent label is free of abrasion; the bottle cap consists of an inner cap and an outer cap, the inner cap is fixedly connected with the outer cap through threads on the inner wall of the outer cap, the inner cap is communicated with the bottle body, bulges are arranged outside the outer cap, meanwhile the two ends of the inner cap protrude out of the outer cap, and the side of a circular bottle opening is manufactured into a sharp nozzle, so that a solution forms a thin stream to flow down. Through the inner cap and the outer cap, the reagent is unlikely to sprinkle outside when being taken, the flow velocity of the solution during dropping and pouring is effectively controlled due to the sharp nozzle-shaped bottle opening, the operation is convenient, and the upper part of a bottle plug is manufactured into the shape of the sharp nozzle matched with the bottle opening, so that the bottle opening of the reagent bottle is prevented from being polluted by the outside.

The invention relates to single nucleotide polymorphism, in particular to an rs 3909184 detection genotyping kit based on an AllGlo probe and a genotyping method thereof. The kit comprises a real-time fluorescence quantification PCR (polymerase chain reaction) reagent, positive control and negative control, and rs 3909184 is an SNP (single nucleotide polymorphism) locus serial number provided by NCBI(National Center of Biotechnology Information). The detection genotyping method includes the steps that DNA in an EDTA anticoagulant whole blood sample is extracted by adopting a conventional method; the real-time fluorescence quantification PCR reagent provided by the rs 3909184 detection genotyping kit based on the AllGlo probe is used for conducting real-time fluorescence quantification PCR amplification on DNA; the rs 3909184 SNP locus is genotyped according to detected fluorescence signals. On the premise of keeping high specificity and sensibility of the AllGlo probe, the detection price is lower than that of a direct sequencing method, the process is simpler, and consumed time is shorter.

The invention relates to an ironing-free circulating clothes dryer which comprises a cabinet body, a fan, a heating body, a clothes rack for supporting clothes and a clothes rail arranged on the top of the cabinet. The ironing-free circulating clothes dryer also comprises a gravity straightening device, a heating cavity and an air flue, wherein an air outlet is formed in a top plate of the cabinet; the heating cavity is formed in a bottom plate of the cabinet, the heating body and the fan are arranged in the heating cavity, one end of the air flue communicates with the air outlet while the other end of the air flue communicates with an air inlet of the heating cavity; a dropping and draining hole is formed in the bottom of the heating cavity; and the gravity straightening device is arranged on the lower end of the clothes. With adoption of the structure, by arranging the gravity straightening device, clothes can be straightened and is crease-resistant; and the ironing-free circulating clothes dryer is energy-saving due to hot wind closed circulation and external pollution is avoided.

The invention relates to a blend oil, in particular to a heat-clearing and wind-dispelling peony seed blend oil and a preparation method. The heat-clearing and wind-dispelling peony seed blend oil comprises the following ingredients by mass: 15 to 30 parts of peony seed oil, 69.5 to 84.9 parts of soya bean oil, and 0.1 to 0.5 part of a wild chrysanthemum extract. The heat-clearing and wind-dispelling peony seed blend oil is prepared completely according to heat-clearing and wind-dispelling requirements, is comprehensive and reasonable in nutritional ingredients, tastes good, and is beneficial to human health. The preparation method of the heat-clearing and wind-dispelling peony seed blend oil comprises the steps of soaking peony seeds in water, and freezing, crushing and conducting microwave vacuum drying on the peony seeds in sequence, thereby being more conductive to extraction of the peony seed oil, reducing the loss of active ingredients and improving the oil yield.

The invention discloses an improved suction filtration device with an automatic sampling function. The suction filtration device comprises a vacuum pump, a filter cup, a filter head, a suction filtration bottle, a liquid inlet pipe, an exhaust pipe and an opened container containing liquid to be subjected to suction filtration; the suction filtration bottle, the filter head and the filter cup aredetachably and hermetically connected from bottom to top in sequence; the filter cup is provided with a liquid inlet, one end of the liquid inlet pipe is connected with the liquid inlet, and the otherend of the liquid inlet pipe is inserted into the opened container; a filter head exhaust port is formed in the side wall of the filter head; one end of the exhaust pipe is connected with the filterhead exhaust port, and the other end of the exhaust pipe is connected with an air inlet of the vacuum pump; a filter membrane is arranged between the filter head and the filter cup; a liquid collection device is arranged in the filter head and is in a funnel shape; an upper port of the liquid collection device is in contact with the filter membrane; a lower port of the liquid collection device isinserted into the suction filtration bottle. The invention further discloses a suction filtration method of the improved suction filtration device with the automatic sampling function. According to the improved suction filtration device and the suction filtration method, by automatic feeding of liquid into the filter cup and quantitative suction filtration of the required liquid, the experiment efficiency is improved, and meanwhile, external contamination and sample waste are avoided.