106results about How to "Inhibitory" patented technology

This invention describes a bifidobacterium, i.e., bifidobacterium longum BM358 that can resist intestinal pathogens as well as resist oxidation. The bifidobacterium longum has such properties as high security, outstanding acid and bile resistance, adhesion to intestinal epithelial cells, outstanding intestinal pathogen resistance and oxidation resistance. The bifidobacterium longum can be used to prevent and treat gastritis, gastrelcosis and duodenitis caused by pylorus helicobacteria, and enteritis, acute diarrhea and enterogastric disorder caused by colibacillus and other intestinal pathogens.

A unit-combination type heat transfer enhancement device of the invention relates to the field of the unit type heat transfer enhancement device which utilizes the fluid of a heat transfer pipe as the power, comprising rotors, a support frame, sleeve shafts and a connecting axis, wherein the support frame is fixed at the two ends of the heat transfer pipe; the two ends of the connecting axis are respectively fixed on the support frame; the centers of the sleeve shafts are through holes; a plurality of the sleeve shafts are arranged on the connecting axis in a penetrating manner; the rotors are arranged on the sleeve shafts in a penetrating manner; and one or more rotors is / are matched with one sleeve shaft. The rotor consists of flow-disturbing rotary vanes, a hinge structure and tail end spiral drive blades. The fluid in the pipe in the technical scheme drives the rotors to rotate at a proper speed by the tail end spiral drive blades, thus having the inhibiting and cleaning effects on the fouling deposit; the proportion of the length of the flat and straight part of the flow-disturbing rotary vane and that of the tail end spiral drive blades can be changed flexibly; and according to the practical needs, bulges are also arranged on the thin sheet of the edge to further disturb the fluid to flow, thus further improving the effects of the heat transferring and self cleaning.

The invention discloses a high-durability concrete which comprises the following raw materials: cement, river sand, macadam, water, fly ash, nano microbead, natural zeolite micropowder, aluminum oxide, sodium sulfate, diethanolamine, sodium hydroxide, methyl trichlorosilane, ethanol, an air entraining agent, a lignosulfonate water reducing agent, polyvinyl alcohol, mixed fiber, sodium nitrate and polyvinylpyrrolidone. The mixed fiber is the combination of carbon fiber, steel fiber, polypropylene fiber and polyvinyl alcohol fiber in a weight ratio of 1:(2-5):(3-7):(3-6). The high-durability concrete has the advantages of high strength, favorable water impermeability, favorable freezing resistance and favorable durability, and has long service life when being applied to hydrotechnics, harbors, roads and other projects.

The invention relates to a low-flow resistance rotor with self-cleaning function and heat transfer enhancement used in a heat transfer tube, which comprises a plurality of rotors, supporting frames and a connecting shaft line. The supporting frames are fixed at the two ends of the heat transfer tube. The two ends of the connecting shaft line are fixed on the supporting frames respectively. The plurality of rotors are skewered on the connecting shaft line between the two supporting frames. The rotor consists of a hollow shaft and fins, wherein the hollow shaft is provided thereon with one and more fin(s), each fin is oblique to the central line of the hollow shaft, the working surface of each fin is swirl or flat or a combination thereof, and the fins are fixed uniformly on the outer surface of the hollowing shaft. In the inventive technical proposal, a fluid inside a tube can drive the rotor by the fins to rotate at a proper speed, so as to inhibit and eliminate the deposition of dirt, the fins can disturb the fluid inside the tube to enhance the convection heat transfer, the rotor occupies a small area inside the heat transfer tube to increase the axial flow area and reduce the blockage rate and flow resistance in the heat transfer tube, and the service life of the rotor is significantly prolonged.

The invention relates to a method for preventing and controlling tissue culture seedling pollution by mercuric chloride. In the method for preventing and controlling tissue culture seedling pollution, the pollution of a polluted tissue culture seedling can be eliminated by a plurality of transfer periods, wherein each transfer period comprise the following two steps: (1) adding mercuric chloride into a culture medium of the tissue culture seedling; and (2) transferring the polluted tissue culture seedling on the culture medium containing the mercuric chloride. The mercuric chloride adopted by the invention is spectrum fungicide, has the effects of inhibition and sterilization on the polluted tissue culture seedling culture medium, has less dosage, can be directly added into the culture medium, carries out high pressure sterilization along with the culture medium and does not reduce the sterilizing effect; the pollution rate is reduced below 5 percent, the production cost can be effectively reduced, and economic benefits are improved; and as for some tissue culture seedlings rushing for a growing season, when the seedlings for production are polluted, the invention can eliminate the pollution, supplement the seedling dosage and reduce loss. In addition, the used culture medium carries out chemical processing so as to prevent pollution and be beneficial to environmental protection.

The invention relates to bamboo salt food tea and a production method thereof. The production method comprises the following steps of: drying materials such as lotus leaves, hemp fruits, pine needles, and mulberry leaves respectively; powdering the materials to obtain powder; adding bamboo salt into the powder to obtain a mixture; and performing high temperature sterilization on the mixture to prepare powder, tea bags, tablets or candies, or boiling the mixture in water and filtering the mixture to prepare aqueous beverage. Most people have moist, lustrous and firm facial skin, feel vigorous and difficultly feel tired in work, and the hair hardly becomes dry and yellow, whitens or drops off when the people drink the bamboo salt food tea for 1 to 3 months; and the bamboo salt food tea alsohas effects of lowering blood fat, blood pressure, and blood sugar, and has magical effects of curing stomach diseases, nourishing a stomach, and invigorating the stomach for the people who have all kinds of stomach diseases.

The invention provides a fresh keeping agent, a preparation method thereof, and the application of the fresh keeping agent in fresh keeping treatment of dishcloth gourds. The fresh keeping agent comprises chitosan, L-cysteine, cinnamic aldehyde and water, and the pH of the fresh keeping agent is 5.6-6.5. The chitosan can form semipermeable membranes on the surfaces of the dishcloth gourds, so that restraining the loss of water on the cuticle of the dishcloth gourds is facilitated, and the depletion of substances in the dishcloth gourds is delayed; the L-cysteine is beneficial to protecting the color of the cuticle of the dishcloth gourd, restraining the oxygenolysis of cuticle chlorophyll and avoiding generating black spots; the cinnamic aldehyde is beneficial to restraining the dishcloth gourds from infecting pathogenic bacteria microorganisms during storage and restraining the dishcloth gourds from being decomposed; the chitosan, the L-cysteine and the cinnamic aldehyde all contain functional groups which are easy to form hydrogen bonds, so that when synergistic effects of the chitosan, the L-cysteine and the cinnamic aldehyde are exerted, improving the compactability, the inoxidizability and the bacteriocidal property of the semipermeable membranes formed on the surfaces of the dishcloth gourds by the chitosan is facilitated. The pH is controlled within the range, which is close to the autologous pH of the dishcloth gourds, so that further improving the fresh keeping effect of the fresh keeping agent is facilitated.

The invention provides a method for expressing and producing pseudoplectania nigrella mature peptide recombinant proteins in pichia pastoris cells in a constitutive type mode, which comprises the following steps of: 1) optimizing pseudoplectania nigrella mature peptide genes; 2) obtaining pichia pastoris glyceraldehyde-3-phosphate dehydrogenase promoter DNA sequences by adopting methods such as molecular cloning and the like, and placing the pseudoplectania nigrella mature peptide genes under the regulation and control of the glyceraldehyde-3-phosphate dehydrogenase promoters to connect with plasmids to obtain new, constitutive and secretory type pichia pastoris efficient expression vectors; 3) converting the pichia pastoris by using the vectors and obtaining the recombinant pichia pastoris strains to obtain the pseudoplectania nigrella mature peptide with bioactivity; and 4) optimizing the high-density fermentation conditions of the engineering strains and the expression and purification of the recombinant protein. The pseudoplectania nigrella mature peptide prepared by the method can be applied in the fields of medicinal treatment, food, feed, scientific research and the like and is suitable for the scale production of pseudoplectania nigrella protein.

The invention discloses an application of Esculin to prevent and / or treat terminal advanced glycation end-products disease and Cardio-Cerebral-Vascular Disease, especially for the coronary atherosclerosis and arterial atherosclerosis, which is characterized by the following: cracking of terminal advanced glycation end-products, eliminating superoxide anion radical; protecting organism cell from Free-Raducak Injury; antagonizing Experimentative Hyperlipoidemia and decreasing Carotid Atherosclerosis formation. The invention has low toxicity, easy extraction, vast resource, good prospects, which is a perfect Chinese Herb to cure Cardio-Cerebral-Vascular Disease.

The invention belongs to the technical field of inclined well construction, and discloses drilling fluid, and a local crushing formation inclined well inverse well guide hole drilling process adopting same. The drilling fluid comprises bentonite, a coating agent, inorganic salt, a viscosity / filtration loss reducer, a wall protective agent and water, and the components are in synergistic cooperation, so dispersion of clay and rock debris is effectively inhibited, the well wall stabilizing ability is improved and the downhole safety of well drilling is effectively guaranteed. According to the local crushing formation inclined well inverse well guide hole drilling process, the aims of carrying the rock debris and returning slag, balancing the pressure of the bottom layer, stabilizing the well wall and the like are fulfilled by injecting the drilling fluid provided by the invention; and the inverse well guide hole drilling process can perform construction in the fractured formation, so the construction efficiency is increased by above 25 percent and the application range of the reverse well method is widened.

The invention relates to a phosphor-containing crown macromolecular hybrid nanometer material and a preparation method and application thereof. The phosphor-containing crown macromolecular hybrid nanometer material is characterized in that phosphonitrilic chloride trimer is used as a core to synthesize novel phosphor-containing crown macromolecules by a layered modifying method, the surface is modified with pyridine, the novel phosphor-containing crown macromolecule of which the surface contains metal ion chelating sites is obtained, and the copper ions and gold ions are directly complexed, soas to form the hybrid nanometer material for preparing anti-tumor drugs. The phosphor-containing crown macromolecular hybrid nanometer material has the advantages that the raw materials are commercialized, the molecular weight of the prepared phosphor-containing crown macromolecule is uniform, the preparation method is simple, the controllability of reaction process is high, the operation is easy, and a plurality of metal ion chelating sites is contained; the prepared hybrid nanometer material can be applied to the anti-tumor study, and the good application prospect is realized.

The invention relates to a feed additive, in particular to an oligopolymerization chitosan-astragalus polysaccharide ecological feed additive which comprises Candida utilis, enterococcus faecalis, lactobacillus acidophilus and bacillus subtilis. The feed additive is prepared by culturing the follwing compositions in parts by weight: 1-3 parts of Candida utilis, 1-3 parts of enterococcus faecalis, 1-3 parts of lactobacillus acidophilus and 1-3 parts of bacillus subtilis in a culture medium for 60-72h under the temperature of 28-37 DEG C, wherein the culture medium comprises 1g of agar, 1g of beef extract, 2.5g of yeast extract, 35g of sugar, 1.5g of defoamer, 1g of peptone, 20-50g of oligopolymerization chitosan and 20-50g of astragalus polysaccharide. distilled water is added till the total volume is 1000 ml, and the pH is 6.0, and the mixture is treated by high pressure sterilization for 20m under the temperature of 121 DEG C for later use. The additive can fulfill multiple synergistic function to guarantee the effect and has the advantages of remarkable effect, convenient use and the like.

The invention relates to a method for inducing placenta-derived mesenchymal stem cells to be differentiated into islet-like cells. According to the method, placenta-derived mesenchymal stem cells are induced to be differentiated to islet-like cells and are identified by using cytokines, such as basic fibroblast growth factors (bFGF), hexadecadrol and beta-mercaptoethanol. The method lies in further investigating the differentiation potential of placenta-derived mesenchymal stem cells, discussing and studying optimum conditions of in-vitro separation, culture and differentiation of the placenta-derived mesenchymal stem cells, studying the possibility and the feasibility of inducing the placenta-derived mesenchymal stem cells to be differentiated into the islet-like cells, seeking an optimum inducing system of inducing differentiation in vitro and further finding a method for inducing the placenta-derived mesenchymal stem cells to be differentiated to insulin-producing cells (IPCs). Therefore, the method provides a foundational research basis for clinical application of the placenta-derived mesenchymal stem cells to the insulin-producing cells.

The invention discloses a plant bacteriostatic composition and application thereof in daily necessities. The plant bacteriostatic composition is prepared from the following plants: radix sophorae flavescentis, radix et rhizoma rhei, rhizoma belamcandae, radix scutellariae and rhizoma polygoni cuspidati. The plant bacteriostatic composition is prepared by carrying out high pressure homogeneous extraction, centrifugal separation and membrane concentration, and then carrying out macroreticular resin absorption separation and membrane concentration. The plant bacteriostatic composition does not contain chemosynthetic substances, thus being non-toxic, free from side effects, safe and reliable, and being directly applied to the skin; the plant bacteriostatic composition effectively removes and inhibits microorganisms such as bacteria, fungi and viruses on the skin of a human body, and has the functions of being capable of effectively preventing the human skin from being infected by the microorganisms, resisting allergy, treating eczema, and the like. The plant bacteriostatic composition can be used as a bacteriostatic function material for the daily necessities with a bacteriostasis function, and can be added into the daily necessities such as shampoo, bath foam, liquid soap, cosmetics and soaps so as to be prepared into anti-dandruff shampoo, antibacterial bath foam, antibacterial liquid soap, acne-removing cosmetics and antibacterial soaps.

The invention discloses a solid-free slurry-replacing well completion protective fluid and a preparation method thereof, which belongs to the technical field of exploitation of oil and gas fields. The completion protective fluid comprises, by weight, 100 parts of a formate-based liquid, 0.2 to 0.4 part of a thickening agent, 1 to 3 parts of a high temperature high temperature, 0.2 to 3 parts of a clay stabilizing agent and 0.2 to 1 part of a waterproof locking agent. The completion protective fluid has the following advantages: (1) the completion protective fluid has no solid phase, so solid phase settlement does not exist; (2) the completion protective fluid has good rheological properties and a low shearing force value; (3) the completion protective fluid has an excellent hydrocarbon reservoir protection function; (4) the completion protective fluid has good high temperature resistance and salt resistance stability, and a system has good displacement and carrying capability under reservoir temperature; (5) the completion protective fluid is safe, nontoxic, easily degradable and compatible with the environment; (6) the completion protective fluid has good compatibility with a drilling fluid and a fracturing fluid, and the rheological properties of the completion protective fluid are not influenced after mixing; (7) the completion protective fluid has little corrosivity and greatly reduces corrosivity of a saline solution to downhole tools; and (8) the completion protective fluid has great specific gravity and no solid phase and is applicable to areas with abnormal high temperature and high-pressure area.

The invention discloses a biphenyl compound with anti-tumor activity and a preparation method thereof, the biphenyl compound shows the anti-tumor activity both in vitro and in vivo, which can induce apoptosis and inhibit proliferation of a cell line for colorectal cancer, lung cancer, liver cancer, breast cancer or pancreatic cancer in vitro, and inhibit tumor for the liver cancer and the colorectal cancer in vivo, so that the biphenyl compound can be applied in the preparation of anti-tumor drugs. The preparation method of the biphenyl compound has the advantages of easy obtainment of sources of raw materials, mild reaction conditions, simple operation of the reaction process, and cheap and easy obtainment of used reagents.

The invention discloses medicinal tincture for treating vesicle tinea pedis and a preparation method thereof. The medicinal tincture is prepared from the following raw materials in part by weight: 50 parts of glabrous greenbrier rhizome, 50 parts of lightyellow sophora root, 50 parts of golden larch bark, 50 parts of phellodendron, 50 parts of densefruit pittany root-bark, 50 parts of belvedere fruit, 50 parts of knotgrass, 50 parts of common cnidium fruit, 50 parts of chinaberry bark and root-bark, 50 parts of hydnocarpus seed and 2,200 parts of 95 percent alcohol. The preparation method comprises the following steps of: grinding the glabrous greenbrier rhizome, the lightyellow sophora root, the golden larch bark, the phellodendron, the densefruit pittany root-bark, the belvedere fruit, the knotgrass, the common cnidium fruit, the chinaberry bark and root-bark and the hydnocarpus seed into coarse powder, soaking the coarse powder into the 95 percent alcohol for 10 days, filtering medicinal residues to obtain filter liquor, namely the medicinal tincture for treating the vesicle tinea pedis, and filling the medicinal tincture into plastic bottles for later use. The invention has the advantages that: the medicinal tincture has the good effect of relieving itching, does not have irritation and is easy and convenient to use; and compared with other ointments and creams, the medicinal tincture is a pure Chinese medicinal preparation and does not have the side effect of containing hormone ointments.

The invention relates to an argyi leaf cigarette, which comprises 1000-1500 argyi leaf and 0-1 essence, wherein its production comprises that: washing, breaking into material; treating with normal cigarette production into cigarette powder, adding food adhesive, mixing uniformly, compressing into hollow cylinder. The inventive cigarette has argyi leaf, with antibiosis function and bronchus expanding function.

The invention belongs to the field of wireless communication, and particularly relates to a small broadband differential excitation dual-mode and dual-polarized base station antenna in this field. Theantenna comprises a first dielectric plate, a second dielectric plate a third dielectric plate, a reflection plate, a coaxial connector, a radiation patch, a driving branch and baluns. The first dielectric plate is horizontally arranged at the uppermost layer of the whole antenna; the reflection plate is horizontally arranged at the lowest layer of the whole antenna; the pair of mutually orthogonal baluns are arranged between the first dielectric plate and the second dielectric plate, and the first dielectric plate and the reflection plates are respectively perpendicular to the baluns up anddown; the orthogonal surfaces of the orthogonal baluns are respectively printed with the second dielectric plate and the third dielectric plate to allow the second dielectric plate and the third dielectric plate to be mutually perpendicular to the first dielectric plate and the reflection plate. The small broadband differential excitation dual-mode and dual-polarized base station antenna ensuresthe miniaturization while ensuring the broadband.

The invention discloses anti-tumor oligopeptide B1 sourced from hemocyanin of litopenaeus vannamei. The oligopeptide has an amino acid sequence as shown in SEQ ID NO:1. The oligopeptide can be used for inhibiting growth of cervical cancer cells HeLa, and can become an excellent anti-cancer medicine with low side effect.

The invention discloses a method for treating, breeding and sprouting lignum sappan seeds by utilizing a biogas slurry. The method comprises the following steps of: collecting seeds of a single lignum sappan mother tree, drying the seeds in the sun, soaking the lignum sappan seeds into the biogas slurry at low temperature during breeding, sprouting at normal temperature, cleaning the seeds which mould, and seeding after the seeds are white, wherein the biogas slurry is black brown and has no obvious odour of pig manure water, the biogas slurry is fully exposed in the air before the seeds are soaked, floating slags on surface of the biogas slurry are eliminated, then clear water is added to dilute until concentration of the biogas slurry is 50-75%, and the diluted biogas slurry is taken as the biogas slurry used for soaking the seeds. The biogas slurry is available, the production cost is low, and the method is simple and is easy to operate. According to the method disclosed by the invention, less mould is grown on the surfaces of the seeds bred by adopting the method, germination is fast, the germinating capacity is high, the germination rate is high, the soaking time is 15-90 minutes only, only 30-46% of the surfaces of the seeds mould, the germination rate reaches 85.3-95.1%, all the seeds are white and germinate within 3-4 days, and favourable conditions are created for rapidly multiplying a lignum sappan rare tree, thus the method disclosed by the invention has the advantage of better economic benefit and social benefit.

The invention discloses stenotrophomonas for promoting growth and development of Lilium spp and / or antagonizing pathogenic bacteria of the Lilium spp and application of the stenotrophomonas. The stenotrophomonas is stenotrophomonas rhizophila, a strain number of the stenotrophomonas rhizophila is G44, and a registration number of the stenotrophomonas rhizophila in the China General MicrobiologicalCulture Collection Center is CGMCC No.20185. The stenotrophomonas has the characteristics of producing siderophore, producing indoleacetic acid, producing ACC deaminase and the like for promoting plant growth, and the growth and development of Lilium spp plants can be obviously optimized by inoculating the stenotrophomonas to the Lilium spp plants, namely, the growth of overground parts and underground parts of the Lilium spp is promoted, the flowering time of the Lilium spp is advanced, the reproductive growth period of the Lilium spp is prolonged, and the fresh weight of bulbs of the Liliumspp is increased. Meanwhile, the strain has an obvious inhibition or antagonism effect on the pathogenic bacteria of the Lilium spp, such as botrytis cinerea of the Lilium spp.

The present invention relates to an American ginseng fruit, its medicine composition and medicine application. Said American ginseng fruit and its medicine composition contain American gniseng fruit or American ginseng fruit extract and pharmaceutically-usable carrier or excipient. Said invention can effectively use the American ginseng fruit, and adds a new medicinal plant resource, and has the unique action different from that of American ginseng root, and has the health-care function.

The present invention relates to one kind of chronic trachitis treating Chinese medicine and its preparation. The Chinese medicine is prepared with atractylodes rhizome and orange peel for eliminating wetness evil; glossy ganoderma for invigorating lung and kidney to relieve cough and asthma; mankshood for warming Yang to eliminate phlegm; ephedra for warming lung to eliminate phlegm and relievecough and asthma; dahurian rhododendron leaf for eliminating phlegm and relieving cough; forsythia and climbing groundsel herb for clearing away heat and toxic matter and diphenhydramine hydrochloride for relaxing bronchus smooth muscle. With the functions of warming kidney, invigorating Yang, eliminating wetness evil, etc., the present invention can cure chronic trachitis radically.

A garlicin injection for preventing and treating acute and chronic bacillary dysentery and enteritis, pertussis, fungus infection of lung and digestive tract, etc is prepared through ultrasonic treating to garlicin and tween-80, mixing with alcohol, ultrafiltration, pouring it in containers containing N2 in dark condition, sterilizing, and lamp examining.

The invention provides a extreme pressure antiwear agent with structure of right general formula, wherein R, R' is same or different alkyl group with C1-C20 linear chain or branched chain, asphalt base, aromatic group or aralkyl, R'' is amino or alkyl group with C1-C18 linear chain or branched chain, aromatic group, aralkyl or asphalt base. The antiwear agent is reacted by phosphorus trichloride and C1-C20 alcohol, hydrazine hydrate or C4-C18 orgnic amine. The antiwear agent of the invention can be used in lubrication oil and lubricant grease with 0.1-3.0 w% of recommeding amount.

The invention discloses a biphenyl compound, a preparation method and uses thereof. The preparation method comprises: carrying out fermentation culture on Aspergillus versicolor with a preservation number of 3A00080 to obtain a fermentation broth containing a biphenyl compound and hypha, extracting the fermentation broth by using ethyl acetate to obtain a crude extract, carrying out pressure reducing silica gel column chromatography on the crude extract, carrying out reverse phase medium pressure column chromatography, and carrying out separating purification through reverse phase semi-preparative high performance liquid chromatography to obtain the biphenyl compound. According to the present invention, the biphenyl compound can inhibit Saccharomyces cerevisiae, and can strongly inhibit Bacillus subtilis and Staphylococcus aureus.

The invention provides a Lactobacillus plantarum P9 with pesticide degrading activity, and the deposited number is CGMCC No.16401. The Lactobacillus plantarum P9 has a pesticide degrading activity. Plant milk stem P9 can degrade organophosphorus pesticides such as omethoate, methamidophos and dimethoate, and has good fungal inhibition, especially against Phytophthora melonis. Therefore, it can beused as a vegetable and fruit detergent or agricultural biological agent and has the effect of degrading organophosphorus pesticides, removing organophosphorus pesticide residues and inhibiting mouldactivity. Because of its acid resistance, bile acid resistance, catalase and protease stability, it can survive in the gastrointestinal organs of animals, including humans, so it can be used as a foodor food additive, probiotic bacteria with probiotic activity.