115results about How to "Free from infection" patented technology

A milk substitute of calf for promoting growth, improving digestion and preventing diseases is prepared from 16 raw materials including corn, cotton seed cake, lysine, methionine, BFAB02, edible salt, stone powder, etc through respective pulverizing, proportional mixing, and stirring.

The present invention is applicable to the field of computer security, and provides a BIOS update protection method, device and system. The method includes: when the device is in the power-on self-test POST stage, after the programmable logic device is started, there is only one output The control signal controls the write protection pin of the ROM chip storing the BIOS to be in the write protection invalid state or the write protection effective state; when the BIOS update is not required and the write protection pin of the ROM chip is in the write protection effective state, the device enters operation The system prohibits BIOS updates through hardware protection. The write protection state of the ROM chip of the present invention can only be modified once in the power-on self-check state, and when the BIOS update is not needed, the BIOS program is protected from virus infection through hardware, effectively improving the safety of equipment operation.

The invention relates to cotton gauze sanitary towel which is immersed in or sprayed with Chinese medicinal herbal plant liquid. The Chinese medicinal herbal plant liquid for immersing or spraying the sanitary towel is prepared from Chinese medicinal herbal raw materials such as nacre, polygonum paleaceum wall, garden burnet root, common ducksmeat herb, cyrtomium rhizome and the like and water according to a ratio; and the cotton gauze sanitary towel is immersed in or sprayed with the Chinese medicinal herbal plant liquid, and after liquid medicine is absorbed by the sanitary towel fully, the sanitary towel is dried and thus, the Chinese medicinal herbal plant liquid cotton gauze sanitary towel is obtained. The Chinese medicinal herbal plant liquid cotton gauze sanitary towel has the effects of resisting bacteria, disinfecting, killing insects, relieving itching, dissolving stasis, and relieving pain, clearing heat, detoxicating, activating meridians and promoting blood circulation, regulating qi and blood, smoothing menstrual period and the like, can balance the pH value of female vaginae effectively and inhibit bacterial breeding, and has the excellent treatment effect of abnormal menstruation, dysmenorrheal and pudendal pain, pruritus vulvae, swelling, pudendal hygro-erosion, peculiar smell and the like which are caused by multiple vulvar diseases. Except for the menstrual period, the Chinese medicinal herbal plant liquid cotton gauze sanitary towel also produces the obvious curative effect on various common gynecological diseases when worn at ordinary times, and achieves the effects of treatment with external application and positive prevention.

It is a process method of hemolysin in special cell device and its application, which belongs to medical test agent technique field. The hemolysin is composed of NaCI, Na#-[2] HPO#-[4]íñ12H#-[2] O, KH#-[2] PO#-[4], cavaform and double stilled water. Each component is mixed and is put in the water for four to five hours and is shaken every thirty to forty minutes and to be filtered to get the agent. The hemolysin in this invention is used as surface marks of leucocyte in blood tested by the flow cell device.

The invention belongs to the field of prevention and treatment of crop disease damage and particularly relates to a compound composition for biologically preventing and treating crop wilt and application thereof. The compound composition for biologically preventing and treating crop wilt comprises an organic fertilizer and strain powder having a weight ratio of 100:1 to 20:1. The compound composition is applicable to various crops with high wilt attack frequency in agricultural planting, such as common banana and dwarf banana. The compound composition for biologically preventing and treating crop wilt and application thereof have the advantages that the cost is low, the prevention and treatment stability is good, disease resistance rarely occurs, the advantages of biological prevention andtreatment are made full use, prevention and treatment effect is improved, daily management for crop cultivation is improved, and economic loss and prevention and treatment cost are reduced.

The invention discloses a preparation method for transferring gene of a natural effective pure biological active matter for resisting a newcastle disease virus. The invention is carried out according to the following steps: inoculating the newcastle disease virus into a chick embryo allantois liquid of ten days to prepare a virus antigen; extracting the virus antigen; using the extracted virus antigen for immunizing a pig; extracting the transferring gene for resisting the newcastle disease virus from the immunized pig; therefore, the transferring gene of the invention can be used for playing the role of preventing the infection of the newcastle disease virus and protecting a normal organism cell from being infected by the newcastle disease virus, thereby reducing the disease rate.

The invention provides a novel plant virus inoculation method, and in particular provides a field large-scale virus inoculation method by using a bacterium, mainly targeting at infectious clone of a plant virus which can be replicated in agrobacterium. The principle of the method is as follows: infectious clone of the plant virus is transformed into agrobacterium, and the virus can be brought into a plant cell by using the characteristic of natural wound and wound plant infection of the agrobacterium. The method is simple to operate, low in cost, high in efficiency, and suitable for field large-scale application, and can be used for the inoculation of a weak virus strain of the virus to protect a plant from the infection by a strong virus strain, and heterologous protein with high added value can be expressed in the plant using a virus vector.

The invention provides a microbial agent for preventing and treating apple ring rot and a preparation method thereof. The microbial agent is obtained by using a gel carrier loaded with compound microbial powder. The compound microbial agent comprises bacillus cereus ACCC03288 powder, trichoderma harzianum ACCC30371 powder, pseudomonas chlororaphis ACCC19853 powder, paecilomyces lilacinus ACCC30639powder and thorn spore streptomyces hygroscopicus ACCC40018 powder. The growth and reproduction of apple ring rot germs are synergistically inhibited, nutrition support is provided for apple trees, and the growth of apples is promoted. The gel carrier is obtained by utilizing a cross-linking reaction of acrylamide and sodium acrylate, cross-linking sodium alginate and calcium chloride and introducing polyvinyl alcohol, can be naturally degraded, has a slow release effect on the compound microbial powder, and provides nutrition support for the microbial growth, so that the compound microbial powder has a better control effect. The microbial agent only needs to be applied once, thereby reducing the labor intensity.

The present invention relates to an adenovirus vector vaccine for the prevention of an SARS-CoV-2 Ombke strain. According to the present invention, codon preference is adopted to optimize to obtain the new S gene sequence, and the new S gene sequence can be efficiently expressed in human cells, can efficiently express the S antigen after immunizing the body, can produce the neutralizing antibody aiming at the Ombucus chinensis strain SARS-CoV-2, and can effectively protect the body from the infection of the Ombucus chinensis strain.

The invention discloses a preparation method of a gel spray for wound repairing and the gel spray. The preparation method comprises the following steps of (1) dispersing locust bean gum into deionized water, adding sodium periodate, carrying out stirring reaction at 30-45 DEG C for 4-8h, transferring a reaction liquid to a dialysis bag of which the molecular cut off is 5,000 for dialysis to obtain oxidized locust bean gum; and (2) adding the oxidized locust bean gum obtained in the step (1) and polyoxyethylene diphenacylamine to a calcium chloride water solution, carrying out ultrasonic treatment for 10-30min and standing to obtain hydrogel for promoting healing of a wound. The hydrogel is capable of effectively promoting healing of the wound; meanwhile, the hydrogel is safe and free of thrill, has good biocompatibility and is used for wound treatment, and is capable of fully absorbing percolate of the wound due to good hygroscopic property and maintaining the wound surface physiologically moist; meanwhile, the hydrogel also has good antibacterial activity to avoid bacterial infection.

The invention discloses an aviadenovirus Hexon and infectious bursal disease virus VP2 fusion antigen and subunit vaccine, and a preparation method and application of the aviadenovirus Hexon and chicken infectious bursal disease virus VP2 fusion antigen and subunit vaccine. The aviadenovirus Hexon and chicken infectious bursal disease virus VP2 fusion antigen comprises an aviadenovirus Hexon protein and an chicken infectious bursal disease virus VP2 protein. The fusion antigen has the following amino acid sequence: (1) a protein formed by an amino acid sequence as shown in SEQ ID No.1; or (2) an amino acid sequence of a functional protein with the same code and homology being 95 percent to 100 percent as the protein amino acid sequence limited by the sequence SEQ ID No.1. A protective antigen of the subunit vaccine prepared through the invention is the fusion antigen, and the fusion antigen is prepared by adopting a gene engineering fermentation method, and has the advantages of low cost, high antigen purity, good immunogenicity and high safety.

The invention relates to a process for preparing anti-swine flu virus transfer factors. The transfer factors of the invention can play a role in preventing swine flu and protecting normal body cells from being invaded by swine flu viruses so as to reduce the morbidity. Meanwhile, the transfer factors for treating a swine suffering from swine flu virus infection can effectively improve the clinical symptoms, improve the cure rate and reduce the death rate. The process for preparing the transfer factors comprises the steps of preparing virus antigens, extracting the virus antigens, immunizing the swine by using the virus antigens, extracting the anti-swine flu virus transfer factors from the spleen of the immunized swine and the like.

The invention provides a brassica chinensis cultivation method with using wormcast produced from waste of a sugar refinery, and belongs to the technical field of vegetable plantation. The method comprises the steps that (1) a cultivation matrix is prepared by mixing bagasse, sugarcane filter mud, coal ash, wine slag, a calcium magnesium phosphate fertilizer, peanut bran and a fermented strain uniformly and stacking the same for fermentation, and adding an active nutrition agent, including cytex and thiamine hydrochloride, to wormcast 50-60 days after introduction of earthworm to obtain a cultivation matrix; (2) seeds are soaked and germination is accelerated; (3) sowing and seedling growing are carried out, plantation soil is sprayed with a weak trichoderma harzianum solution after sowing;and (4) thinning and field management is carried out by a foliar fertilizer is applied once in a six-leaf-one-center period of the brassica chinensis. According to the method, waste of the sugar refinery is changed into valuables, the waste is fermented and used for earthworm culturing, the wormcast is used for cultivation of brassica chinensis, the application amount of inorganic fertilizers forbrassica chinensis can be reduced, and the output and taste of brassica chinensis are ensured.

The invention relates to the technical field of influenza prevention and control, and provides a method, system and device for recommending a path based on an influenza risk, and a storage medium. Themethod comprises the following steps: detecting influenza symptom data in a target area, and acquiring risk users with influenza symptoms and risk-free users without influenza symptoms in the targetarea; generating a plurality of dynamic risk areas according to the risk users and the influenza symptoms thereof; calculating parameter values of advancing position points in the target area according to each dynamic risk area; and recommending a first path which can at least avoid the dynamic risk areas to the risk-free users and recommending a second path which can at least avoid the risk-freeusers to the risk users according to the parameter values of every advancing position point. According to the invention, the influenza risk areas are dynamically marked, a safe advancing path is guided, influenza risk diffusion in the target area is avoided, and the risk-free users are protected against infection.

The invention discloses an influenza new coronary combined vaccine. The influenza new coronary combined vaccine is prepared from the following raw materials in mass concentration: 1 to 100 micrograms/mL of recombinant new coronary vaccine containing RBD-Fc fusion protein, 1 to 50 micrograms/mL of influenza subunit vaccine containing H1N1 type influenza virus, 1 to 50 micrograms/mL of influenza subunit vaccine containing H3N2 type influenza virus, 1 to 50 micrograms/mL of influenza subunit vaccine containing B type influenza virus, an aluminum hydroxide solution and the balance of PBS phosphate buffer, wherein the final concentration of aluminum ions in the influenza new coronary combined vaccine is 0.5 to 2.0mg/mL. A preparation method comprises the following steps of: weighing all the raw materials; diluting the four vaccines with the PBS phosphate buffer respectively and then mixing with the aluminum hydroxide solution; and mixing according to an equal volume ratio to obtain the influenza new coronary combined vaccine. The influenza new coronary combined vaccine disclosed by the invention is a combined vaccine of a novel coronavirus vaccine containing an aluminum adjuvant and the influenza subunit vaccine containing the aluminum adjuvant; and after combination, the two antigen component vaccines are not mutually inhibited and can be very well compatible.

The invention discloses formula powder suitable for females at the pregnancy period and a preparation method of the formula powder, and belongs to the technical field of concoction milk powder and a nutrient food. The formula powder consists of lactoferrin, casein peptide phosphate, folic acid, ferrous gluconate, whey protein powder, galactooligosaccharide, fructo-oligosaccharide, docosahexaenoicacid, choline, taurine, vitamin A, vitamin D, vitamin C, vitamin E, vitamin K, vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, biotin, calcium, magnesium, phosphorus, sodium, potassium, zinc,selenium and fresh milk spray-dried powder. The formula powder is suitable for females at the pregnancy period, various nutrient substances can well promote absorption with each other and provide nutrients necessary for females at the pregnancy period without additional nutrient enrichment, and the formula powder can enrich the calcium, can resist anemia, can improve the immune function and disease resistance of the females at the pregnancy period, can make early-stage preparation for the females at the pregnancy period, and finally, can realize the purpose of prenatal and postnatal care.

The invention discloses an chimeric antigen receptor gene for HIV-1. The gene comprises a guide subregion, a structural domain, a hinge region, a trans-membrane structural domain, a co-stimulation structural domain, a signal transduction structural domain and a suicide gene system region, wherein the structural domain is combined with a CD4 binding site of a gp120. The invention further disclosesa plasmid with the gene, a T cell, a kit and application. According to the chimeric antigen receptor gene for the HIV-1, the plasmid with the gene, the T cell, the kit and the application, when the Tcell is applied, HIV-1 infection can be prevented, and meanwhile, the lethality on an HIV-1 infected cell can be improved; and once an HIV-1-CAR-T cell is input, adverse reactions occur, the cell in abody can be cleared at once through a suicide gene system, and therefore the preventive effect can be achieved.