94results about How to "Susceptible to infection" patented technology

The invention relates to an aquaculture water purification agent. The purification agent comprises the following components in parts by weight: 200-300 parts of polyaluminium chloride, 200-300 parts of potassium ferrate, 0.1-20 parts of cationoid polyacrylamide, 1-20 parts of powdered sulfur, 10-100 parts of activated carbon, 2-40 parts of calcium oxide, 100-300 parts of zeolite powder, 100-300 parts of kieselguhr and 0.1-5 parts of copper sulphate. The invention further relates to a preparation method of the aquaculture water purification agent. The aquaculture water purification agent is ingenious in design, has a physical purification and chemical agent synergistic effect and an obvious coagulation effect, quickly and thoroughly purifies and is suitable for large-scale popularization and application.

The invention discloses an injecting type biological prevention and control method in a solenopsis invicta nest. The injecting type biological prevention and control method is characterized by comprising the following steps: utilizing an injection device to insert a solenopsis invicta preventing and controlling agent containing pathogenic microorganisms into the solenopsis invicta nest, spraying the agent to each depth and position of the solenopsis invicta nest, and uniformly sprinkling the agent on solenopsis invicta bodies in each depth and position of the solenopsis invicta nest. Through utilizing the prevention and control method, the contact area of the pathogenic microorganisms and target insects can be increased, and solenopsis invicta nest moving phenomena caused by the damage of nest irrigation and chemical application on the ant nest are avoided; and besides, the humidity in the nest can be properly increased, and the environmental condition that the solenopsis invicta is infected with the pathogenic microorganisms is improved, so that the solenopsis invicta is more easily infected with various pathogenic microorganisms, and the insecticidal activity of the pathogenic microorganisms on the solenopsis invicta is enhanced. The injecting type biological prevention and control method has great prevention and control effects and finally achieves prevention and control purposes.

The invention relates to a method for preparing biological weed killer, wherein it uses Curvularia Boedijn Mds0404 CGMCC NO. 1827 as seed, which comprises 80-95% spore, 0-18% chemical weed killer, and 2-5% agent. And its production comprises that: activating seed, cultivating seed liquid, cultivating spore and collecting components. The invention has low cost and wide application.

The invention discloses a cucumber grafting method, comprising the steps of: truncating the stock, exposing a cavity, obliquely cutting a graft hole in the cavity of the stock; obliquely cutting a notch from the two edges of the cion; inserting the cion into the notch of the stock cavity, causing a bevel of the cion contacted with the cortex of the stock inner wall notch tightly. The inventive graft method of removing cotyledons of the stock has higher success ratio, which is more than 95%. Management is easy after grafting, the grafting wound is not easy to desiccate, and is not easy to be susceptible to soil diseases because the wound is high away from the ground, mature shoot is fast, operation is simpler, speed is fast, which is obviously faster than the traditional approach grafting or plug connection, and is simple to accepy by the wide melon grower and has practical and promotional value.

The invention discloses an alkylated chitosan multifunctional hydrogel as well as a preparation method and application thereof. The preparation method of the alkylated chitosan multifunctional hydrogel comprises the following steps: (1) preparing alkylated chitosan; (2) preparing an alkylated chitosan solution, and preparing a four-arm polyethylene glycol benzaldehyde solution; and (3) mixing thealkylated chitosan solution and the four-arm polyethylene glycol benzaldehyde solution, and performing gelatinization at room temperature. According to the method provided by the invention, an alkanechain is used to modify an amino group of chitosan to prepare the alkylated chitosan, the hydrophobic alkane chain and a hydrophobic cell membrane can be fixed to each other by hydrophobic interaction, so that blood cells can be fixed on the long chain of the chitosan, blood is coagulated, and bleeding is quickly stopped; and polyethylene glycol benzaldehyde is cross-linked through an imine bond to form the stronger-functional more-stable self-repairing hydrogel, and the hydrogel has the functions of concentrating the blood to stop bleeding, absorbing exudate, and promoting wound repair of a hydrogel.

The invention relates to a large-scale production method of a rotavirus vaccine, particularly a large-scale culture method of a rotavirus inactivated vaccine by using a 14L bioreactor. The method comprises the following steps: 1) revival and subculture of Vero cells; 2) cell collection and bioreactor inoculation; 3) bioreactor culture of cells; 4) solution exchange and cell washing; 5) rotavirus activation and infection; and 6) sustaining culture and collection of rotavirus. The invention aims to overcome the defect of low infectivity titer in the obtained virus since the rotavirus can not easily release cells in rotavirus vaccine large-scale production, thereby obtaining the high-titer rotavirus, and greatly enhancing the rotavirus yield. The invention also aims to overcome the defect of low adsorption infectivity of rotavirus in the mass production process, thereby greatly enhancing the rotavirus quality and further enhancing the antigenicity and immunogenicity of the rotavirus inactivated vaccine.

The invention discloses a high-yield and high-quality cultivation method for an anti-wilt banana variety. The method comprises the steps that the low-order planting anti-wilt banana variety is adopted for tissue culture seedlings; when the low order means soil preparation or planting, the ground of a planting hole is lower than a garden bed face, a step is formed, the paddy field banana garden level difference is 8-15 cm, and the mountain land banana garden is 14-22 cm; when banana plant corms begin to appear, earthing is performed to protect corms, and root growth is promoted. During early spring planting, the low planting density is adopted, plants can fruit earlier, and plants are prevented from fruiting or being frozen in winter; in summer and autumn, high planting density is adopted for planting, the yield per unit area can be increased, and meanwhile fruit quality is not affected; paper bags and nutritional agents are used for plant ears, so that the problem that fruits become green physiologically can be solved. According to the high-yield and high-quality cultivation method customized for the anti-wilt banana variety, the culture technology can achieve high yield, good quality and high benefits and achieves the great production significance.

The invention belongs to the technical field of medicine healthcare and particularly relates to a compound essential oil for adjutant therapy of burns and scalds. The compound essential oil for adjutant therapy of burns and scalds is mainly prepared from the following components in percentage by weight: 80-95% of mealworm oil, 1-3% of thyme essential oil, 0.5-1% of clove essential oil, 1-2% of chamomile essential oil and 5-15% of grape seed oil. The invention aims to solve the problems of slowness for wound healing, easiness for infection, high treatment expense and scars remained after healing, which are caused by the fact that the burns and the scalds are mainly treated by using drugs at present.

A circumcision anastomat comprises an upper anastomat, a lower anastomat and a fastening adjusting component which are connected with one another by connecting devices. The lower circumcision anastomat is in the shape of an irregular ring, a prepuce cutting groove is arranged on the outer wall of the circular lower anastomat, a latex pad is arranged in the prepuce cutting groove, prepuce antislip bumps are arranged at the upper edge of the outer wall of the circular lower anastomat, a prepuce antislip strip is arranged at the lower edge of the outer wall of the circular lower anastomat, a frenulum protecting portion is arranged at one end of an edge notch of the outer wall of the circular lower anastomat, a frenulum positioning bump is arranged on an edge notch, which corresponds to the outer wall of the lower anastomat, of the frenulum protecting portion, and a cutting surface with the frenulum protecting portion and a cutting surface of a main body are not positioned on the same horizontal plane. The circumcision anastomat can be applied to patients with long or short penis frenula under a synergistic effect of the lower anastomat, the upper anastomat, the fastening adjusting device and the connecting devices, suffering of the patients during circumcision can be thoroughly prevented, doctors can operate the circumcision anastomat easily, post-operation infection and side effects are avoided, and the circumcision anastomat is applicable to circumcision in various levels of hospitals.

The invention discloses a method for culturing a porcine epidemic diarrhea virus. The method comprises the following steps: (1) preparing a DMEM culture medium; (2) adding 1-8% of fetal bovine serum in the DMEM culture medium and carrying out monolayer cell culture; (3) discarding the DMEM culture medium inside a culture container formed with monolayer cells and washing with a washing liquid; (4) discarding the washing liquid and adding porcine trypsin, a cell affinity agent and the DMEM culture medium into the culture container formed with monolayer cells; and (5) placing the DMEM culture medium in the step (4) in a cell incubator, carrying out static culture for 1 minute-30 minutes, after the static culture is completed, taking the DMEM culture medium out, rapidly inoculating the porcine epidemic diarrhea virus, uniformly mixing, placing in the cell incubator, culturing and collecting the porcine epidemic diarrhea virus liquid. According to the method, by mainly changing the micro-relationship between the virus and micro cells during the culture, the affinity between the virus and the cells is increased so that the cells are more easily infected by the virus.

The invention provides a skin-friendly type medical endoscope. The skin-friendly type medical endoscope comprises an endoscope body, a control device, a display screen, and a keyboard or mouse input part, wherein the control device comprises a light source device and a processor, and the processor is used for processing a video image signal; the endoscope body comprises a body operation part and an insertion part. The skin-friendly type medical endoscope is characterized in that the insertion part sequentially comprises a flexible part, a bending part and an endoscope front end part which are mutually connected from the body operation part of the base end side; an operation button, a shutter button and a rotary button are arranged on the body operation part, the operation button is used for performing suction, air delivery and water delivery at the front end part of the endoscope, the shutter button is used for shooting up, and the rotary button is used for remotely controlling the bending part to bend; the outer surface layer of the insertion part is coated and connected with a simulation skin layer, and the outer surface layer of the simulation skin layer is coated and connected with a silicone rubber thin film. The skin-friendly type medical endoscope has the advantages that the operation is easy; when the endoscope is inserted into a body cavity of a patient, the injury to the body cavity of the patient is avoided, and the pain of the patient is greatly reduced.

The invention relates to a method for verifying anti-chalk disease traits of a swarm by an SNP marker. The method comprises the following steps: collecting larva samples from Italian swarms to be observed, extracting larva DNA, synthesizing a target primer, carrying out PCR with each extracted individual DAN as a template, carrying out electrophoresis detection on a PCR product, sequencing, finally comparing and analyzing the obtained sequencing result, and verifying the anti-chalk disease traits by judging whether the occurrence frequency PC of a C allele of randomly captured larva individuals from the swarm has difference with the occurrence frequency PT of a T allele in the SNP marker C2587245T. According to the invention, aiming at the problem that the Italian swarms are severely affected by the chalk disease, the SNP (C2587245T) marker related to anti-chalk disease of Italian bee larva provided from the molecular biology level for scientifically, accurately and quickly verifying the strength of the anti-chalk disease performance of the Italian swarms, the breeding cycle of the anti-chalk disease breeding of the Italian bees can be greatly shortened, the bee breeding speed is accelerated and the loss in the beekeeping industry caused by the chalk disease is reduced.

The invention discloses a cultivation method of sweet-scented osmanthus seedlings. The method comprises the steps that cuttage is carried out from the middle of May to the middle of July or from the middle of September to the middle of October; a seedbed land is at least 200 m away from other plant lands; humus soil disinfected through Dexon is used as fertilizer; a plastic film arched shed 50 cm away from the bed surface in the height direction and a shade frame with the light transmittance of 30-38% and 180 cm away from the bed surface are built on the bed; one-year-old semi-lignified twigs are disinfected to be used as cutting shoots, the lower portion 3 cm away from the base portion is soaked with naphthylacetic acid or an ABT rooting powder solution for at least one 1 h; cuttage is carried out in different seedbeds according to the planting spacing of 5*10 cm, and seedbeds are sufficiently irrigated with a 0.01% carbendazim water solution one time; the relative humidity in the plastic film arch shed is kept 85% or above, and the temperature is kept from 18 DEG C to 30 DEG C; the seedbeds are covered with the shield frame at morning and uncovered with the shield frame at night; sprouts at the base portions of cutting slips are removed in time; water is sprayed, and a 0.2% urea or monopotassium phosphate solution is sprayed on time every 10 days; twigs are used for cuttage, material obtaining is easy, the survival rate is high, and the effect is achieved rapidly.

The invention discloses a production method and purpose of photocatalysis nanometer active water. The production method comprises preparing photo-catalytic material on a solid media and immersing the photo-catalytic material in water, irradiating with ultraviolet light to lead the water to produce free radical and outputting the photocatalysis nanometer active water. The invention is used for plant protection, tap water for living, dealing recycle water, treating sewage and the like, is also capable of being utilized in medical treatment and health care. The free radical in the photocatalysis nanometer active water is capable of entering human body and animal body to directly kill bacterium, microorganism and viruses, establishing an artificial immune system to prevent and treat various diseases. The photocatalysis nanometer active water does not include any chemical composition, is nontoxic, has no harm to human body and animal body, and can be used for a long term. The invention can prevent and treat diseases by means of aerosol, injection, oral administration and target-oriented drug delivery, can cure various diseases like tracheitis, hepatitis B, HIV, lupus erythematosus, influenza and bird flu and the like which are caused by bacteria and viruses. Simultaneously, the effects of cleaning focus and preventing cancer are perfect. The production method of the photocatalysis nanometer active water is simple, low in cost, and easy to spread and use.

Provided is a novel ivermectin derivative and compositions for the treatment or prophylaxis of parasite infestations in mammals or birds which comprise: (A) a pharmaceutically effective amount of a 1-N-phenylpyrazole compound; (B) a pharmaceutically effective amount of an ivermectin derivative of formula (II) wherein: R14 represents -(CH2)S-O-Z wherein, s is 1 or 2; Y represents -CH(OR, 15)-, -C(=O)- or -C(=NOR 15); R15 represents hydrogen, alkyl or phenyl; and R16 represents -CH3 or -CH2CH3; Z is alkyl, alkenyl, alkynyl, acyl, alkylalkoxy, aryl, alkanoyloxy, alkoxycarbonyl, alkenoyl, alkynoyl, or aroyl.

The invention provides chicken feed with water seepage honey. The chicken feed with the water seepage honey comprises grain feed and premix and further comprises water seepage honey mixed chicken feed. The grain feed comprises, by weight, 62-64 parts of corn, 16-18 parts of bean pulp, 6-8 parts of rapeseed dregs, 1-2 parts of fish meal, 1-2 parts of calcium bicarbonate, 3-4 parts of shell powder, 4-6 parts of limestone, 0.4-0.6 part of soybean oil, 0.5-0.6 part of salt, 3-4 parts of wheat bran, 4-5 parts of sorghum flour and 3-4 parts of blood powder. The premix comprises, by weight, 4-6 parts of layer multi-vitamin, 3-5 parts of vitamin C (Vc), 20-22 parts of choline chloride, 1-2 parts of antioxidant amine, 60-70 parts of albumen powder and 1-2 part of oligosaccharide. The chicken feed with the water seepage honey is simple in matching, convenient to use, greatly improves immunity of chickens, and reduces mortality remarkably.

The invention discloses a disease-resistant planting method of tea oil trees, and belongs to the field of tea oil tree plantation. The disease-resistant planting method of tea oil trees comprises the following steps of (1) soil environment selection: selecting the soil, where sunshine is abundant, drainage of which is good and the PH value of which is 5-6.5, for afforestation, applying enough base fertilizer, irrigating the soil with enough moisture, and spraying appropriate ferrous sulphate solution and carbendazim wettable powder to disinfect the soil; and (2) selecting oil tea varieties having strong disease resistance, and selecting mother plants having the natural fruit infected rate below 4% and collecting seeds therefrom. The purpose of the invention is to provide a disease-resistant planting method of tea oil trees, the method is simple in operation, low in cost and high in efficiency, common insect diseases of the tea oil trees can be effectively controlled, and disease-resistant capability of the oil tea trees can be improved.

The invention relates to the field of buildings, in particular to a building material recovery device. According to the building material recovery device, the technical problem is solved. According tothe technical scheme, the building material recycling device comprises an underframe, a grinding mechanism, a turnover mechanism, a cutting mechanism, a first collecting box, a control screen, a sensor and a second collecting box. The underframe is connected with the grinding mechanism; the underframe is connected with the turnover mechanism; the underframe is connected with the cutting mechanism; the underframe is connected with the first collecting box; the underframe is connected with the control screen; the underframe is connected with the sensor; the underframe is connected with the second collecting box; the sensor is arranged beside the grinding mechanism; the turnover mechanism is connected with the cutting mechanism; the second collecting box is arranged below the turnover mechanism; and the first collecting box is arranged below the cutting mechanism. According to the building material recovery device, cement blocks on waste PTFE plate are ground and removed, and manual treatment is replaced, so that the efficiency is improved; and subsequent further recovery of the PTFE plate is facilitated.

The invention relates to a super-absorbent adsorption suppository which is roll-formed by a super-absorbent fabric. The outer surface of the super-absorbent fabric is adhered with a chitosan film, fiber or powder; The super-absorbent adsorption suppository is roll formed by super-absorbent fiber interweaved or embedded with a chitosan fabric, wherein the chitosan fiber is interweaved or embedded in the surface of the super-absorbent fabric; the super-absorbent fiber and the chitosan fiber form a uniformly distributed non-woven fabric; the volume ration of the super-absorbent fiber in the super-absorbent fiber interweaved or embedded with a chitosan fabric is 10-90%. The super-absorbent adsorption suppository has good effect for absorbing peculiar smell because the super-absorbent fiber has a water-retaining property and hydrophilic groups. Besides, the chitosan has good biocompatibility and the effects of hemostasis, bacteria resistance and bacteriostasis and heal-promotion, so that the super-absorbent adsorption suppository has positive physical effect and positive influence for vagina diseases of females under a non-antibiotic condition. Trial results show that the adsorption suppository has a significant efficiency for the above diseases over 98%, and maintains the weak acidic environment of a tract, and can keep a self-cleaning function of the vagina.

The invention relates to the field of plant transgenic technology, in particular to a method for improving the agrobacterium-mediated genetic transformation efficiency of maize. Transgenic plants areobtained by the steps of ultrasonic treatment of seeds to obtain germinated seeds, culture of agrobacteria containing target genes, seed infection and co-culture, agrobacterium removal, selective culture, and molecular detection of transgenic plants. The method can effectively shorten the time of transgene transformation and improve the agrobacterium-mediated genetic transformation efficiency of maize.

The invention discloses an ecological breeding method for local chickens, and belongs to the field of poultry breeding. The ecological breeding method for the local chickens includes the following steps of (1) farm selecting, wherein a litchi forest is selected as a farming site; (2) vegetable and Chinese herb interplanting; (3) chicken house constructing, wherein chicken houses are constructed inthe middle of the farm, and drainage ditches are formed in the periphery of the chicken houses; (4) brooding period managing, wherein A, the chicken houses are fumigated and disinfected for 5 h to 7h with mixing liquid of potassium permanganate and formaldehyde before chicks enter the houses; B, the chicks are put into an inhabiting room and placed according to the strong and weak condition, andthe weak chicks are put to the place closest to a heat source; C, in the first week, the temperature of the inhabiting room is adjusted to be 33 DEG C to 36 DEG C, and the relative humidity is adjusted to be 65% to 68%; (5) fattening period managing, wherein local chickens of 4 weeks old are put into the litchi forest and stocked; (6) disease prevention managing, wherein the chicken houses and forest land are periodically swept and disinfected, and sick chickens are isolated in time. The ecological breeding method for the local chickens aims at being reasonable in layout, the survival rate ofthe bred local chickens is high, and economic benefits are effectively improved.

The invention belongs to the technical field of biology, and particularly relates to a method for culturing paecilomyces bepiali chen by taking Arabian jasmine flowers as substrates. The Arabian jasmine flowers, coix seeds and corns serve as media, and domesticated cordyceps militaris strains are inoculated and cultured to obtain the paecilomyces bepiali chen. The preparation method of the paecilomyces bepiali chen is simple in technology and easy to implement, and the prepared paecilomyces bepiali chen contains rich substances such as polysaccharides, cordycepin, adenosine, caffeine and tea polyphenol, and has the effects of removing sleepiness, eliminating fatigue, enhancing vitality, concentrating thinking, resisting bacteria, inhibiting viruses, resisting mutation, tonifying the kidney, strengthening liver, tonifying qi and the like.