708results about How to "Easy to kill" patented technology

The invention provides a nanometer capsule of a macromolecule adriamycin bonding medicine with a targeting function and a preparation method thereof. The nanometer capsule is mixed assembled with two block copolymers of poly ethylene glycol-polylactic acid, wherein the polylactic acid chain end of one block copolymer is connected with adriamycin, with a molar ratio of 98-70 percent in the nanometer capsule, while the poly ethylene glycol chain end of the other block copolymer is connected with lactose, with a molar ratio of 2-30 percent in the nanometer capsule. The adriamycin connected with the polylactic acid chain end is located in the capsule inner core, which is double protected by polylactic acid and poly ethylene glycol and has sustained release function; while the lactose connected with the poly ethylene glycol chain end is located in the outer layer of the capsule, which has targeting function and leads the nanometer capsule preferentially enter the cells carrying the lactose receptors.

The invention discloses a pH-responsive anti-tumor drug carrier material and a preparation and application of the pH-responsive anti-tumor drug carrier material. The preparation method comprises the following steps that (1) gold nanoparticles wrapped by mesoporous silica are prepared, and the gold nanoparticles comprise gold nanospheres or gold nanorods; (2) gold nanoparticles wrapped by carboxylation mesoporous silica are prepared; (3) water-soluble zinc oxide quantum dots are prepared; and (4) the pH-responsive anti-tumor drug carrier material is prepared. According to the pH-responsive anti-tumor drug carrier material and the preparation and application of the pH-responsive anti-tumor drug carrier material, the whole technological process design of the preparation method, the parameter conditions adopted by the reaction steps and the like are optimized, and the existing problems that drug releasing is uncontrollable, the drug loading capacity is low, and side effects are prone to being caused when the gold nanoparticles wrapped by the mesoporous silica serve as a drug carrier can be effectively solved.

The invention relates to a honey processing process. The honey processing process is characterized by comprising the following steps: (1) raw honey inspection; (2) (a) melting, wherein the heating temperature is 45-60 DEG C, and the heating time is 30-60 minutes or 4-8 hours according to the state of raw honey; (b) filtration, namely carrying out pressure filtration in a sealing device at the temperature higher than 40 DEG C so as to remove impurities and larger crystals; (3) vacuum concentration; (4) cooling. According to the honey processing process, the filtration step sequentially comprises rough filtration, fine filtration and refined filtration, wherein the temperature of the fine filtration is higher than that of the rough filtration, and the temperature of the refined filtration is higher than that of the fine filtration. The different processing time can be set according to different states of the raw honey, so that the pertinence is strong, not only can melting quality and the smooth operation of subsequent steps be guaranteed, but also the efficiency is increased, and the unnecessary time waste is reduced; besides, the filtration is performed three times, and the filtering temperatures are different, so that the efficiencies of each filtration process and the whole filtration are increased, and the purity of finished honey is improved.

The application relates to the technical field of cultivation, discloses a pepper high efficient seedling culture method, the step comprises seed soaking, seed drying, seed sprouting, substrate treatment, seed planting, seedling management, acclimatization and transplanting. The pepper high performance seedling culture method requires 3-4 day sprouting period, shows 92-94% sprouting rate, contains 2-4% pesticide rate, lasts short time, has high performance rate, saves 12.8% planting cost; pepper seed soaks for a short period in high temperature liquid, kills bacteria, breaks dormancy, then soaks for a long period in low temperature liquid, speeds up seed germination; seed regularly receives mist sprinkling sprouting agent at comparatively low temperature, which keeps humidity, promotes root growth, kills pesticide, increases seed sprouting rate; substrate mixing with pepper stem inhibits bacteria and kills insects, enhances nutrients, turns waste to wealth, lowers planting cost; the method controls stringently environment conditions after planting, increases sprouting rate, acclimatizes seedling before planting, reinforces disease fighting ability and environment adaptability, the survival rate of pepper seedling reaches 100%.

The invention discloses a making method of carbon-based high-valent silver molecular crystal battery, which comprises the following steps: dissolving silver nitrate into pure water; stirring; placing the active carbon in the silver nitrate solution; adsorbing; filtering; drying the active carbon; placing the potassium peroxodisulfate or sodium peroxodisulfate as oxidizer into distilled water; adding sodium hydroxide; diluting; heating; stirring to react with dried active carbon; insulating; filtering; washing four times through pure water; obtaining the product with Ag4O4 distributed evenly on the surface of active carbon; displaying stronger chemical adsorbing ability and chemical reactivity; reinforcing the purifying capacity of organic toxic and harmful material absorbed by active charcoal.

Disclosed is a method for making cleaned flat type green tea consists of grading and gathering the tea fresh leaves, cleaning, water-removing, microwave sterilization process, and controlling the microwave water-removing to make the moisture content in the tea to be 20%-30%, and the moisture content in the end product tea to be 5%-8%.

A group of two vegetative insecticides A and B for preventing and eliminating armyworm, aphis, borer, red spider, cabbage caterpillar, etc and promoting the growth of agricultural crops is prepared from flavescent sophora rhizome, false hellebore and the flower bud of liliae daphne. Its preparing process is also disclosed.

The invention relates to a folic acid coupled targeted ferriferrous oxide/mesoporous silica/copper sulfide nano-composite particle as well as a preparation method and an application thereof. The nano-composite particle consists of Fe3O4@mSiO2 core-shell structural nanoparticles, wherein the core-shell structural nanoparticles take Fe3O4 nanoparticles as cores and mSiO2 as shells, and copper sulfide nanoparticles and folic acid cover the surfaces of the shells; the folic acid is grated on one part of the mesoporous silica (mSiO2) and the copper sulfide particles are loaded on the other part of the mesoporous silica; and polyethylene glycol is grated on the surface of the copper sulfide nanoparticles. Compared with the prior art, the nano-composite particles disclosed by the invention has a broad application prospect in the aspects of nuclear magnetic resonance imaging, drug loading and photothermal therapy; anti-cancer drugs and photothermal reagents can be transmitted to tumor parts in a targeted mode; the nano-composite particle can reduce toxic and side effects on normal tissues and cells, and meanwhile, the nano-composite particle can effectively kill cells, so that a treatment effect is further improved; and moreover, the nano-composite particle is relatively low in preparation condition demand and cost.

The invention discloses a lyase for killing staphylococcus and an application of the lyase and also discloses an amino acid sequence and an encoding gene sequence of the lyase. A recombined lyase constructed by using the disclosed encoding gene can realize soluble expression in Escherichia coli BL21 (DE3); the lyase can be used for efficiently killing various types of staphylococcus including clinically-separated methicillin-sensitive staphylococcus aureus (MSSA) and methicillin-resistant staphylococcus aureus (MRSA) in vitro and can also be used as an antibiotic for treating staphylococcus infection in vivo; and the disclosed lyase can also be used for rapidly cracking the cell wall of the staphylococcus and releasing substances in cells, such as adenosine triphosphate (ATP), DNA (Deoxyribonucleic Acid) and the like, and various detections on the staphylococcus can be realized through detecting released substances.

The invention discloses a negative oxygen ion photocatalyst decomposition liquid for formaldehyde removal and a preparation method thereof. The liquid is prepared from 14 parts of a formaldehyde trapping agent, 3-5 parts of a nano photocatalyst, 3-5 parts of nano silver ions, 4-6 parts of negative ion powder, 6-10 parts of cellulose, 3-5 parts of ethanol, 0.3-0.7 part of essence and 75.3-80.5 parts of deionized water. The negative oxygen ion photocatalyst decomposition liquid for formaldehyde removal and the preparation method thereof have an excellent catalytic degradation function, can release negative oxygen ions for a long time and can thoroughly kill bacteria and microorganisms since the formaldehyde trapping agent, high-activity nano Ti02 and Ag+ with a high-efficiency sterilizationfunction are added. Harmful gas such as formaldehyde, benzene, VOC and the like brought by the bacteria, the microorganisms and decoration can be thoroughly caught and decomposed, spatial structures of organic molecules are changed and convert into tasteless and harmless molecules, negative oxygen ions are released, sterilization and disinfection are carried out, and therefore indoor air is thoroughly and effectively purified.

The invention discloses a hand-pushing dust collecting sweeper. The hand-pushing dust collecting sweeper comprises a dust collecting sweeper body, a dust collecting sweeper bottom plate is arranged at the bottom end of the dust collecting sweeper body, and sweeper front wheels and sweeper rear wheels are arranged on the bottom plate and each provided with a brake device; a handle push rod is arranged at the upmost end of the dust collecting sweeper body, a spring device is arranged at the tail end of the handle push rod and connected with the dust collecting sweeper body, and a water collecting bag is arranged in the middle of the handle push rod and connected to a water tank through a water pipe. The hand-pushing dust collecting sweeper can sweep large-area grounds and carpets, and is convenient to move and place, good in cleaning effect, free of cleaning dead angles, low in manufacturing cost and convenient to popularize.

The invention relates to a mouldproof and mothproof treatment method for wood. The mouldproof and mothproof treatment method comprises the following steps: (1) processing wood at 85-90 DE C for 3 hours under the condition that the relative humidity is 48%-50%; (2) fumigating the wood with a 35% acetate solution at 1-1.5MPa and 105 DEG C for 30-45 minutes; (3) preparing a treating fluid; (4) soaking the wood treated in the step (2) with the treating fluid at 35 DEG C for 2 hours; (5) treating the wood surface treated in the step (4) with quick lime; and (6) treating the wood processed in the step (5) at 78 DEG C for 3 hours under the condition that the relative humidity is 25%-38%. The mouldproof and mothproof treatment method for the wood provided by the invention is simple; heavy metal is not used in the treatment process; no components which pollute a human body or the environment are generated after treatment; pollution is avoided; meanwhile, the treatment time is shortened to a few hours; and the treatment efficiency is greatly improved.

The invention discloses a weed prevention and control method used in the organic rice planting process. The weed prevention and control method used in the organic rice planting process is low in cost, good in effect, truly free of toxin and damage and practical. The method is characterized that a rice seedling bed is irrigated 7-10 days after rice seedlings are transplanted, deep water weed control is achieved, the weed control water level is kept to be 55-65% of the height of the rice seedlings, and the water level is kept continuously for 8-10 days and nights; during the time from transplanting of the rice seedlings to water treatment, the water level is kept in the field, soil can not be exposed, and growth of weeds and weed seeds is inhibited or the weeds and the weed seeds are dead under the condition that oxygen and sunlight irradiation lack. The method is low in implementation cost, good in weed prevention and control effect and very beneficial to later growth of rice. The method solves the problems which farmers long to solve all the time but are not solved in the organic rice planting process, and has an important promoting significance in planting of organic rice.

The invention discloses a live pig slaughtering equipment. The live pig slaughtering equipment comprises a shock device, a conveying device and a controller, wherein a slaughtering device and a blood-taking device are arranged between the shock device and the conveying device; the shock device and the slaughtering device are connected by an oblique conveying belt; the slaughtering device comprisesa clamping lever, a stabbing knife, a pig pushing plate and a support frame II; the pig pushing plate is positioned at the front end of the support frame II; a pushing air cylinder is arranged at thefront end of the pig pushing plate; a blood collecting tank I is arranged at the right side of the support frame II; the blood collecting tank I is obliquely arranged from the front to the back; an outlet is formed at the back end of the blood collecting tank I; the blood-taking device comprises a conveying belt II arranged obliquely from the left to the right and a blood collecting tank II arranged on the right side of the conveying belt II; and a plurality of filter screens are vertically arranged at equal intervals in the blood collecting tank I and the blood collecting tank II. The live pig slaughtering equipment provided by the invention has simple structure, less participation of personnel and automatic stabbing operation.

A vacuum cleaner head for attachment to a suction pipe or hose of a vacuum cleaner includes a body, an inlet through which air from a surface enters the body en route to the vacuum cleaner, and an agitation plate attached movably to the body across or adjacent to the inlet and adapted to beat against the surface in use. An ultraviolet lamp illuminates and disinfects dust and debris as is passes through the head.

The invention relates to a preparation method for a microbial organic soil bactericidal and insecticidal warming conditioning agent. Fermentation raw materials are domestic fungus cultivation residue substances, the fermentation raw materials are crushed and added with water, and thus the water content mass percent of the fermentation raw materials is 25-35%; decomposing inoculants are added at a mass ratio of1:1000, the mixture is mixed uniformly, the fermentation raw materials mixed with strains are added with tourmaline powder with a mass percent of 5%, rare earth negative ion powder with a mass percent of 2%, composite biological insecticides accounting for 1% of the finished product total mass and composite biological bactericides accounting for 1% of the finished product total mass, the mixture is mixed uniformly, then loose packing or granulation is carried out, drying is carried out and the water content is 10%; packaging is carried out, and a microbial organic soil bactericidal and insecticidal warming conditioning agent is prepared. The produced conditioning agent is advantageous in that the organic matter content is high, the ground temperature is raised, absorption of phosphor and potassium for crops can be raised, the conditioning agent has functions of preventing soil borne diseases, releasing phosphorus and potassium, fixing nitrogen and killing nematodes and green environmental protection is achieved.

The invention discloses a silver phosphate/P25 bi-functional composite material, a preparation method and an application thereof, and belongs to the technical field of antibacterial materials, photocatalysis and environment treatment. The preparation method comprises the following steps of dispersing the P25 in water under the assistance of ultrasonic to obtain a P25 dispersion solution; dissolving silver nitrate in deionized water, adding the silver nitrate solution into the above P25 dispersion solution with magnetic stirring to obtain a mixed solution; dropwise adding a prepared phosphatic solution into the mixed solution slowly until brown yellow turbid appears in the reaction system; stirring continuously after the phosphatic solution is completely added; pump-filtering, washing, and vacuum-drying the product to obtain the silver phosphate/P25 bi-functional composite material. The prepared composite material not only has relatively good photocatalytic degradation effect for an organic dye rhodamine B, but also has wide-spectrum sterilization effect for common bacteria. The bi-functional composite material has wide application prospects in the fields of treatment and purification of environment pollutions, environment-friendly functional materials, etc.

The invention discloses a biogas slurry fattening turtle feed and a preparation method thereof. The biogas slurry fattening turtle feed is prepared from, by weight, 300-400 parts of pig hair meal, 200-300 parts of fly maggot, 70-80 parts of highland barley, 30-40 parts of inkfish paste, 20-30 parts of biogas slurry, 80-90 parts of bean pulp, 70-80 parts of maize germ meal, 10-20 parts of a mixture of rice chaff and husks, 10-20 parts of malt sprout, 8-15 parts of pumpkin seeds, 40-50 parts of grassiness, 30-40 parts of teosinte, 2-3 parts of honeysuckle, 1-2 parts of radix sophorae flavescentis, 2-3 parts of dandelion, 2-3 parts of coptis chinensis, 50-60 parts of garlic husks, 20-30 parts of apple juice, 15-20 parts of lentinus edodes powder, 5-8 parts of maize pollen, 2-3 parts of oleum morrhuae, 3-4 parts of egg shell powder, 2-3 parts of vinegar powder and 0.5-1 part of vanilla powder. The feed is comprehensive in nutrient, delicious, convenient to use and remarkable in benefit, turtles can growth rapidly, and are beautiful in appearance, healthy and easy to fatten, time and materials are saved, and turtle meat is delicious and rich in nutrient.

The invention provides a fresh-keeping method for agricultural fruits and vegetables. The method comprises the following steps: a step 1: fresh fruits and vegetables are placed in an air-cooled cold storage and precooling is carried out for 12-24 hours, and the temperature of the cold storage is 1-3 DEG C; a step 2: precooled fruits and vegetables are placed in an enclosed environment for carrying out disinfection treatment; a step 3: disinfected fruits and vegetables are placed in a packaging container for carrying out modified atmosphere packaging; a step 4: packaged fruits and vegetables are placed in a cold storage for refrigeration. The fresh-keeping method can be used for effectively reducing aerobic respiration of fruits and vegetables, and maintaining storage of moisture in fruits and vegetables; propagation of microorganisms or bacteria is not generated in the storage environment, fresh-keeping time is prolonged, and shape, color or mouthfeel of fruits and vegetables are not changed.

The present invention relates to one kind of paint for pipeline capable of resisting corrosion of sulfate reducing bacteria and its production process. The paint consists of two liquid components, including component A and component B, to be mixed in use. The component A is produced through adding modified phenol phenolic aldehyde type epoxy resin and bisphenol type epoxy resin into mixed solvent; adding chrome oxide green, precipitated barium sulfate, graphite and other seven kinds of material; mixing through stirring and grinding. The component B is produced through adding mannis added and modified polybasic amine into mixed solution. The paint is applied to the inner wall of oil field pipeline to prevent corrosion of sulfate reducing bacteria.

The invention discloses a method for preparing a nematode-killing microbial organic fertilizer, which comprises the following steps of: (1) grinding agricultural organic waste, adding water and a composting bacterial agent, uniformly mixing, keeping the temperature to be between 55 and 65 DEG C, and composting for 15 to 20 days; (2) adding the water and the composting bacterial agent into livestock and poultry excrement, uniformly mixing, keeping the temperature to be between 55 and 65 DEG C, and composting for 15 to 20 days; and (3) mixing materials obtained in the step (1) and the step (2),adding microbial composite liquid, chelating trace elements and humic acid, and uniformly mixing to obtain the nematode-killing microbial organic fertilizer. Environmental pollution is reduced, the content of organic matters and various trace elements in the produced organic fertilizer is high, the fertility-retaining capacity and buffer property of soil can be improved, the nutrient-deficiency symptom of crops can be obviously improved, the absorption of phosphorus and potassium by the crops is promoted, underground pathogenic bacteria can be prevented and killed, and a good living environment is created for the root systems of plants.