426results about How to "Drug resistance" patented technology

The invention relates to a hydrogen sulfide treating agent for oil fields and a method for treating hydrogen sulfide. The invention belongs to the technical field of hydrogen sulfide treatment in oil and gas fields. The hydrogen sulfide treating agent for oil fields is characterized by comprising the following components in percentage by weight: 10 to 45 percent of nitrate, 5 to 50 percent of nitrite, 5 to 10 percent of water soluble microorganism activating system, and 45 to 80 percent of water. The method for treating hydrogen sulfide with the hydrogen sulfide treating agent for oil fields comprises: to treat hydrogen sulfide in oil reservoirs, adding the hydrogen sulfide treating agent into injected water, namely injecting the hydrogen sulfide treating agent into a water pipe according to an injection concentration of 100 to 1,500 mg/L to mix the hydrogen sulfide treating agent with the injected water, and injecting the mixture into a stratum by a water injection pipe; and to treat hydrogen sulfide in a production system, adding the hydrogen sulfide treating agent in produced liquid and gas, namely injecting the hydrogen sulfide treating agent into a production system according to an injection concentration of 100 to 1,500 mg/L to mix the hydrogen sulfide treating agent with the produced liquid and gas. The hydrogen sulfide treating agent has the advantages of treating hydrogen sulfide generated by different factors, improving recovery rate of oil fields, along with convenience for construction, quick effectiveness, low cost, safety, no toxin, environmental friendliness and the like.

The invention provides a culture method for tiger frogs, and particularly relates to the field of aquaculture. The culture method includes the steps of frog pond construction, specifies selection and spawning, tadpole culture, froglet and adult frog feeding and disinfection management. By improving the quality of culture water and adjusting a feed formula, technical problems caused by large density, poor water quality and improper feeding in artificial culture of tiger frogs are solved, the immunity of tiger frogs is effectively improved, the morbidity of tiger frogs is reduced, and the survival rate of tiger frogs in artificial culture is increased.

The invention provides a traditional Chinese medicine prepration for treating avian nephropathogenic infectious bronchitis, and the active ingredients thereof are prepared by the following raw materials according to the mixture ratio by weight: 80-120 parts of heartleaf houttuynia herb, 60-100 parts of tatarian aster root, 50-70 parts of perilla leaf, 40-60 parts of sea-ear shell, 40-60 parts of cassia seed, 35-60 parts of swordlike atractylodes rhizome, 30-60 parts of platycodon root, 30-50 parts of airpotato yam rhizome, 30-50 parts of oriental stephania root, 30-50 parts of rhubarb, 30-50 parts of membranous milkvetch root, 30-50 parts of tangerine peel, 30-40 parts of lightyellow sophora root, 20-40 parts of liquoric root, 20-40 parts of cape jasmine fruit, 20-40 parts of turmeric root-tuber, 20-40 parts of Sanxian and 20-40 parts of Chinese gentian. The medicine can effectively treat the avian nephropathogenic infectious bronchitis, the cure rate is more than 90 percent, and the medicine has difficult recurrence, obvious effect, convenient administration, no toxicity or side effects, safe use and low price. Bacteria have difficulty generating the drug resistance by using the medicine, thereby avoiding the occurrence of veterinary drug residues and social public harms.

An eka-cecropinA-magainin heterozygous gene engineering antibacterial peptide is prepared by adopting No.1-7 amino acid residue on N end of cecropinA CA and No.2-12 amino acid residue on N end of magainin M, design synthesizing heterozygous peptide CA(1-7)-M(2-12) gene by codon, connecting with carrier pPICZ alpha-A, mutating by point mutation technology to obtain mutant pPICZ alpha-CA-Mu-1, pPICZ alpha-CA-Mu-2 and pPICZ alpha-CA-Mu-3, converting SMD1168, and expressing CecA-Mag heterozygous antibacterial peptide to make into use under alcohol hydrogenase starter regulation.

The invention relates to a biocontrol strain Y-1 for preventing and controlling fungal diseases of grapes and application of the biocontrol strain Y-1 in prevention and control of grape diseases and belongs to the technical field of biological prevention and control of plant diseases. The strain is Meyerozyma guilliermondii Y-1 with a preservation number of CCTCC (China Center For Type Culture Collection) NO:M2015814. The Meyerozyma guilliermondii Y-1 is used for preparing a biocontrol preparation for preventing and controlling the grape diseases, and the biocontrol preparation has an obviousprevention and control effect on multiple pathogenic fungi. The Meyerozyma guilliermondii Y-1, provided by the invention, as an active ingredient of the biocontrol preparation, has the characteristicsof stable prevention and control effect, long persistence and wide disease control spectrum as well as has the properties of environment friendliness, safety and low possibility of generating pesticide resistance; the strain has high propagation speed, is cultured under simple culture conditions and is easy for storage and industrial production; defense related enzyme activity in plant bodies canbe improved, and a good development and application prospect is realized.

The invention discloses a Rhodopseudomonas strain. The name of the Rhodopseudomonas strain is Rhodopseudomonas PSB-06, and the collection number is CCTCC NO:M2012518. The invention also discloses a biocontrol microbial inoculum which is obtained through the activation, seed culture and production culture of the strain. The preparation of the biocontrol microbial inoculum comprises the multiple steps of activation, seed culture and production culture. The invention also discloses a Rhodopseudomonas strain biocontrol fermentation liquid which is prepared from the biocontrol microbial inoculum through fermentation and centrifugation. Each of the Rhodopseudomonas strain, the biocontrol microbial inoculum and the biocontrol fermentation liquid can be used in antagonizing phytophthora capsici or controlling phytophthora blight of pepper.

A composite insecticide contains Bacillus thuringienis, muscardine and nimbin, and is prepared from the gemma of Bacillus thuringienis and muscardine, and nim seed powder through proportionally mixing.

The invention discloses a feed additive capable of replacing antibiotics and application of the feed additive. The feed additive is prepared from the following raw materials in weight percent: 10 % to 20% of glyceryl monolaurate, 20% to 40% of didansylhistamine, 30% to 60% of glycerin monostearate and 0 to 40% of a carrier. The feed additive provided by the invention is prepared by taking the glyceryl monolaurate, the didansylhistamine and the glycerin monostearate as the main raw materials and compounding according to a proper ratio and can replace the antibiotics in a piglet cultivation process; the disease-resisting capability of piglets is improved, the development of intestinal tracts is promoted and the functions of the intestinal tracts are improved; the daily gain and feed intake are remarkably improved, the diarrhea rate and the death and culling rate are remarkably reduced, the feed conversion ratio is improved, the growth and development are promoted, the economic benefits of cultivation are improved, the utilization of the antibiotics is reduced, the environment pollution is reduced, and the green, safe and healthy development of a pig industry is facilitated.

The invention discloses essential oil for cleaning and caring female private parts and a preparation method of the essential oil, aiming at the problems that the existing products are complicated and inconvenient to use, and not obvious in effect and long in treatment cycle, easily cause injuries or secondary infection of the private parts, and have abundant using contraindication, and consumers can have serious problems due to improper use. The essential oil is prepared from the following components in percentage by weight: 10-15% of lavender spike essential oil, 17-22% of palmarosa essential oil, 12-20% of tea tree essential oil, 18-23% of clary sage essential oil, 10-15% of leptospermum scoparium essential oil, 10-15% of eucalyptus essential oil, and 4-9% of thujanol thyme essential oil. By utilizing the characteristics that the plant essential oil has the excellent antibacterial, antiviral, antimicrobic, sterilization and inflammation-diminishing efficacies, the principle that the plant essential oil has the volatility, the characteristic that the plant essential oil with complicated components can not have drug resistance like antibiotics, as well as the characteristic that that the essential oil has more curative effects through scientific mixing, the essential oil provided by the invention has the advantages of obvious effect and rapidness in taking effect.

The present invention discloses a combination of Chinese medicines for poultry and the preparation method and application. Hypericum forsythia and bidens grass are distilled. And then distilled liquid and residua are collected. The residua and the residual liquid after distillation being added with a hepatitis grass and a climbing nightshade are decocted three times. The decoction liquid is combined and concentrated to a thick concentration. A 95 percent ethanol is diluted to alcohol concentration of 60 percent to 70 percent. The drug liquid after sedimentation, filtration and concentration added with 95 percent ethanol are transferred to alcohol concentration of 75 percent to 80 percent and then are sedimentated and filtrated. The filtrate is concentrated. The drug liquid added with distilled water is frozenly precipitated, filtrated and concentrated. The combination of Chinese medicines is produced out after a combination of the distilled liquid of the hypericum forsythia and the bidens and the decoction liquid of the hepatitis grass and the climbing nightshade are combined. The combination of Chinese medicines has a cure rate of about 90% for a viruses and bacterial infectious disease of poultry, can be used to prepare the animal drug for treating duck viral hepatitis and chicken newcastle disease and has little side effect, safe use and fast absorption.

The invention relates to a method of treating a host animal to eliminate pathogenic cells. The method comprises the steps of administering to the host animal a hapten-carrier conjugate, administering to the host animal a TH-I biasing adjuvant, and administering to said host animal a ligand conjugated to a hapten herein the ligand-hapten conjugate is administered during the first cycle of therapy with the hapten-carrier conjugate. The invention also relates to the same method wherein the ratio of the hapten-carrier conjugate to the TH-I biasing adjuvant on a weight to weight basis ranges from about 1:10 to about 1:1.

The invention discloses an application of a feed additive in preparation of a laying hen feed for improving egg quality and egg laying capability. The feed additive includes, by weight, 10-45% of glycerol monolaurate, 10-30% of glycerol dilaurate, 30-50% of glycerol monostearate, and 0-20% of a carrier. In feed additive, the glycerol monolaurate, the glycerol dilaurate and the glycerol monostearate are combined together, so that the feed additive significantly improves the egg quality and improves the egg laying capability of a laying hen.