332results about How to "Reduced Pollution Chances" patented technology

A reflection type display apparatus has a front light unit (FLU), and includes a display panel, a light guide disposed on the upper surface of the display panel, a light transparent adhesive layer attaching the lower surface of the light guide to the upper surface of the display panel, and a light source located at a side of the light guide for emitting light to the light guide. A protection window covers the light guide and the light source. By covering the display panel installed on the lower surface of the protection window and the light guide with a moisture-proof and light-shield film, moisture-proofing and light-shielding effects are obtained simultaneously. Further, by forming a light absorption layer at the edge of the light guide adjacent to the light source, generation of a hot spot at the edge of the light guide may be inhibited.

The present invention relates to high solid content vinyl acetate-ethylene copolymer latex for binder and the synthetic method, including 55 to 75 portion of vinyl acetate, 24 to 45 portion of ethylene, 3 to 5 portion of N-methylol acrylamide, 2 to 4 portion of PVA1788 and PVA0588, 0.4 to 1.0 portion of the compound of nonionic emulsifying agent nonyl phenol polyoxyethylene alkyl ether and anion emulsifying agent alkyl sulphate with 2:1 mixture ratio, 0.2 to 1.0 portion of 35 percents oxydol with 1:1 mixture ratio, 0.05 to 0.4 portion of formol zinc sulphate, 0.1 to 0.5 portion of ferrous sulphate, 0.5 to 1.0 portion of regular dodeca-carbon thiol-alcohol, 0.05 to 0.35 portion of potassium phosphate, 0.1 to 0.5 portion of sodium bicarbonate and 45 to 55 portion of de-ionized water. With the adoption of latex polymerization, low-residual monomer VAE latex with solid content more than 65 percents is synthesized, which is used as binder to be applied in timber processing industry and packaging industry.

The invention provides a preparation method of carboxylic styrene-butadiene latex. In the method, butadiene and styrene are adopted as main monomers, and unsaturated carboxylic acid or unsaturated carboxylic ester functional monomers are additionally adopted; a compound emulsifying system formed by a reacting type emulsifier, an anion emulsifier and a non-ionic emulsifier is adopted, and a persulfate thermal decomposition initiating agent is also adopted. Low-temperature polymerization is replaced by high-temperature polymerization, and a two-stage stepped temperature control process is adopted so as to ensure that the stability of the polymerization of the latex is greatly improved, prevent the generation of gel, improve the mechanical stability of the latex and reduce the energy consumption. The carboxylic styrene-butadiene latex prepared by the method has excellent oil resistance, solvent resistance, high and low temperature resistance (resistance of high temperature of -45 DEG C and high temperature of 220 DEG C) and good strength and is quite suitable for manufacturing asbestos or the non-asbestes sheet for a sealing gasket of a vehicle.

The invention discloses a manufacturing method of black zirconia ceramics which comprises, processing zirconium oxide ceramic powder into work piece blank, subjecting the obtained zirconium oxide to de-waxing, degreasing or low-temperature biscuit firing treatment with no protective atmosphere, then subjecting the pretreated zirconium oxide plain blank work piece to high-sintering under vacuum condition, or filling argon, hydrogen into the evacuated furnace, and conducting high-sintering in protective atmosphere.

The invention relates to a nucleic acid amplification and detection reaction tube. The nucleic acid amplification and detection reaction tube comprises a tube body and a tube cover which are mutually matched, wherein the tube body comprises a liquid storage area and a nucleic acid amplification area, the liquid storage area is arranged above the nucleic acid amplification area, and reactions and real-time detection means such as fluorescent signal acquisition and the like are completed in the nucleic acid amplification area; and a hollow groove is arranged in the tube cover, and the volume of the nucleic acid amplification area is respectively less than or equal to the volume of the liquid storage area and the volume of the hollow groove. After the reactions in the nucleic acid amplification area are completed, the reaction tube can be reversed, products in the nucleic acid amplification area can enter the hollow groove of the tube cover in centrifuging, vibration or other modes, and after the tube cover is opened, a small amount of samples is directly taken out to carry out detection in electrophoresis, chromatography or other modes, therefore, an operation step of tube replacement is omitted so as to reduce the probability of pollution.

The invention relates to a bioflocculant fermentation method, in particular to a bioflocculant fermentation method with a mycelium pellet as a vector. The method solves the problems of high energy consumption, high production cost and unsuitability for large-scale industrialized fermentation production and the like existing in the existing bioflocculant fermentation method and comprises the following steps of: 1, mixing rhizobium radiobacter with bacillus sphaericus and then culturing so as to obtain flocculant-producing bacteria seed liquid; 2, culturing aspergillus niger to be a mature mycelium pellet; 3, mixing the mature mycelium pellet with the flocculant-producing bacteria seed liquid and then culturing so as to obtain a mixed mycelium pellet; 4, taking 24-hour as a fermentation period, and drawing out the mixed mycelium pellet after each fermentation period is finished and pouring the mixed mycelium pellet into fresh culture mediums for culturing; and 5, repetitively operating the step 4 for 30-35 times and namely completing. According to the bioflocculant fermentation method provided by the invention, on the premise of guaranteeing stable flocculating rate, seed liquid demand is reduced, production efficiency is increased and production energy consumption is reduced; moreover, the invention has great significance on large-scale industrialized production of bioflocculant.

The invention relates to a rapid detecting technology for detecting mycobacterium tuberculosis through nucleic acid constant-temperature amplification and a kit for qualitative detection. The kit comprises an instrument-free DNA (Deoxyribonucleic Acid) extraction kit, a mycobacterium tuberculosis nucleic acid constant-temperature amplification reaction liquid, a contamination-prevention nucleic acid amplification product detecting device, mycobacterium tuberculosis positive control, and mycobacterium tuberculosis negative control. The kit disclosed by the invention has the advantages of high specificity, high sensitivity and high reaction speed, wherein 1-1.5 hours are only needed from the step of processing a single sample to the step of completing the detection; and the kit can simultaneously meet requirements on sample detection of medium flux and low flux and is particularly suitable for being used in field detection and primary hospitals, and one constant-temperature instrument is only needed in the entire reaction process.

The invention discloses a microbial sludge deodorizer and a preparation method thereof. The preparation method comprises the following steps: conducting high-density culture on strains of streptococcus thermophilus, bacillus subtilis, aspergillus oryzae, photosynthetic bacteria, saccharomyces cerevisiae, lactobacillus casei and pseudomonas putida; dehydrating and drying the various single strains which are subjected to high-density culture, so that hypopus microbial dry powder is prepared; and mixing the streptococcus thermophilus, the bacillus subtilis, the aspergillus oryzae, the photosynthetic bacteria, the saccharomyces cerevisiae, the lactobacillus casei and the pseudomonas putida according to weight ratio of 10-20 parts of the streptococcus thermophilus, 10-15 parts of the bacillus subtilis, 20-30 parts of the aspergillus oryzae, 10-15 parts of the photosynthetic bacteria, 10-20 parts of the saccharomyces cerevisiae, 10-15 parts of the lactobacillus casei and 10-20 parts of the pseudomonas putida, so that the microbial sludge deodorizer is obtained. The microbial sludge deodorizer provided by the invention is applicable to garbage deodorization; and in comparison with the prior art, the microbial sludge deodorizer is low in production investment, low in production cost and convenient to use, and moreover, the microbial sludge deodorizer is good in deodorizing effect.

The invention provides a method for marinating chicken feet products quickly and safely. The method comprises the following steps: (1) unfreezing, cutting, cleaning, pre-cooking and cooling frozen chickens feet products in sequence; (2) adding salt, monosodium, acetic acid and wild chili into water to prepare marinating liquid after stirring, heating and dissolving; (3) adding marinating liquid and the pre-treated chicken feet products into a vacuum curing jar to cure after being evacuated; and (4) fishing out the marinated chicken feet products, draining off the marinating liquid and performing vacuum packages after adding wild chili. The method has the advantages of simple processing, quickness, safety, and multiple flavor, and is suitable for producing various marinated products.

The invention discloses a complex preservative and an application to refresh and cool meat. The complex preservative is prepared from milk-derived antimicrobial peptides, nisin, chitosan, tea polyphenol, clove essential oil and water. Components in the preservative are originated from raw-food materials, and are safe and free from toxic and harm. The complex preservative fully uses the antibacterial activity, oxidization resistance and film forming property of every natural preservative agents, displays the synergetic effects among preservatives, and makes up shortcomings of narrow antimicrobial spectrum and limited preservation effect when the natural preservative is independently used; the packaging container and the refreshing treatment space are treated by ozone, thus the opportunity of polluting the chilled meat is reduced. Low chilled meat storage temperature inhibits the growth of microorganism and slows down the deterioration of the chilled meat. Through comprehensive use of multiple grid factors, the shelf life of the chilled meat is greatly prolonged. The complex preservative is simple in preparation technique, convenient to operate, good in effect and wide in commercial utilization value.

A freeze-dried injection of ropivacaine is prepared from the ropivacaine methanesulfonate (or hydrochloride), diluent chosen from mannitol, lactose, sodium chloride, dextran, glucose, glycine, hydrolytic gelatin and povidone, isotonic regulator and pH regulator through dissolving them in the water for injection, stirring, cooling, adding the water for injection, adding activated carbon, adsorption, filtering for removing carbon, fitlering by millipore filter and freeze drying.

The invention discloses a H3 subtype flu quick-detecting type classifying method based on an RT-LAMP technique. The method comprises the following steps: firstly, analyzing the HA gene sequence of the H3 subtype flu virus in a flu virus gene group sequence database, designing highly special and conserved RT-LAMP special primers and six primers corresponding to eight areas of target genes, wherein four primers are FIP, BIP, F3 and B3, and the other two primers are loop primers LP1 and LP2; secondly, treating a sample to be detected in advance, and extracting the total RNA of the sample to be used as a reaction template; thirdly, configuring an RT-LAMP reaction system; fourthly, mixing the RNA template into the RT-LAMP reaction system, arranging the RT-LAMP reaction system in a water bath, and carrying out RT-LAM enlargement at constant temperature; and fifthly, identifying the enlarged reaction product. The result shows that the reaction product contains H3 subtype flu virus when the reaction product is positive; and the reaction product is H3 subtype flu virus when the reaction product is negative.

The invention discloses a method for rapidly producing pickled chicken claws. The method comprises the following steps: 1, clearing and unfreezing chicken claws; 2, soaking the chicken claws with a liquid having 1-2% of salt and 5-10% of white vinegar and treating by ultrasonic wave; 3, boiling the treated chicken claws together with the liquid having 1-2% of salt and 3-4% of white vinegar for 3-8min; 4, cooling the boiled chicken claws by aseptic cold water added with 2-3% of white vinegar; 5, preparing a flavored soak liquid; 6, adding the cooled chicken claws in the flavored soak liquid and treating by the ultrasonic wave for 60-90min; and 7, vacuum-packing the pickled chicken claws to obtain finished products. The method for rapidly producing pickled chicken claws is characterized in that the soak liquid used by the pickled chicken claws is subjected to a fast cooling technology such that the soak liquid can achieve commercial sterilization, ultrasonic treatment is used in the soaking process for shortening soaking time, an irradiation technology is not used and only biological preservatives or extracts of fruits and vegetables are used as preservatives, and the shelf life is more than one year by computing according to current standards.

The invention relates to the field of biotechnology, in particular to a virus seed for producing vaccines for preventing human rabies by utilizing human diploid cells (KMB17) and a preparation method thereof. In the invention, a rabies fixed virus CTN-1V5 strain is continuously subcultured in the human diploid cells (KMB17), and a terminal dilution method is used for screening viruses with highertiter, thereby obtaining a rabies virus strain which is suitable for the human diploid cells (KMB17) and has good immunogenicity and heredity stability, and culturing a rabies vaccine virus seed (CTN-DK strain) capable of efficiently reproducing in the human diploid cells (KMB17). By using the virus seed for producing a human diploid cell (KMB17) rabies vaccine, the risk caused by residual heterogonous DNA (deoxyribonucleic acid) in the vaccine which is currently used at home can be effectively avoided, and the safety and practicability of the rabies vaccine in China are further improved, thus the invention has great social and economic benefits.

The invention provides a bamboo fungus cultivation method. The raw material formula and the processes are as follows: (1) the raw material formula comprises 500 kilograms of broad-leaved tree wood chips, crop straw or a corncob smashing material, 100 kilograms of bran, rice bran or corn flour, 1.5 kilograms of compound fertilizer, 0.8 kilogram of carbamide, 8 kilograms of lime powder, 4 kilograms of land plaster, 0.6 kilogram of potassium dihydrogen phosphate, 5 kilograms of white sugar and 330-350 kilograms of water; adding 3-5 kilograms of a 'Gymboree edible mushroom leavening agent' produced by the Beijing China Healthhead Science & Technology Co., Ltd; (2) fermenting; (3) conducting sterilization on a fermented material; (4) performing inoculation and cultivation; (5) performing cultivation in workshops or in rural cooperatives. By the skillful application of the biological fermentation technology, fundamental innovation and improvement of the zhijin bamboo fungus raw material and the seed production and cultivation technology are realized, so that the production cost is decreased by more than 50%; the biotransformation rate of the raw material to fresh zhijin bamboo fungus reaches more than 100:50, so that the key technical problem of industrialized cultivation of zhijin bamboo fungus is solved and the market need is fulfilled.

The invention relates to a bionic culture method for winter worm summer herb mycelium, which comprises: separating and pure culturing monospore, preparing liquid medium, inoculating the pure culture bacterium of mycelium, static culturing the superficial-layer liquid for six months; harvesting the mycelium; wherein, breaking the mycelium into monocellular or multicellular mycelium every month during the culture process. This invention needs no fermentor or other dear devices, and reduces cost more than 50% for 1g dry mycelium.

The safe high-efficiency continual closed cell culture virus generation/deactivation system comprises: a cell amplification unit connected to a gas supplying unit, a steam generator, a supplying device for cell growth medium, a primary fill and collection device, a heat source supply device, and a acid/alkali liquid supply device; a virus amplification unit connected to a gas supplying unit, a basic medium supply device, a cell/carrier separator, a heat source supply device, and a acid/alkali liquid supply device; and a old carrier collector. This invention integrates cell and virus amplification processes for automation control and standard production with little pollution.

A freeze-dried powder injection of arasaponin with beautiful appearance and high resistance to break is prepared from arasaponin and mannitol proportionally. Its preparing process is also disclosed.

The invention discloses an in-vitro separation and cultivation method for tooth-sourced mesenchymal stem cells. The in-vitro separation and cultivation method comprises the following steps: (A), gingiva on a tooth surface and surrounding tissue are scraped off, and the tooth is stored in tooth preserving fluid; (B), a culture solution is added to a centrifuge tube, dental pulp is collected to the centrifuge tube and cut into pieces by scissors; (C), collagenase type I and dispase are added to digest dental pulp tissue; (D), single-cell suspension is prepared; (E), the obtained single cell is subjected to primary culture, and the planting density of primary cells is (1-5)*10<4>/cm<2>; and (F), the cells are subjected to subculturing. The tooth is crushed with a physical method to obtain the dental pulp tissue, the collagenase type I and the dispase are used for digestion, the single-cell suspension is obtained, primary planting and culturing are performed for 10-15 days, and then passage is performed; and the problems that the primary cells are mixed with other components of the tooth and aging occurs probably in a cell mass culture process are solved effectively.