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90results about How to "Improve drug utilization" patented technology

Suppository for treating hemorrhoid

The invention relates to a herbal drug for hemorrhoids with natural plants, in particular to a drug with specific formulation, comprising a plurality of active pharmaceutical ingredients, certain amount of penetration enhancer and certain amount of pharmacyeutical adjuvant with the following weight proportion. The active pharmaceutical ingredient comprises one hundred shares of sophoricoside, eighty shares of panax notoginseng, one hundred and ten shares of lightyellow sophora root, one hundred shares of bletilla striata, one hundred shares of common cnidium fruit, one hundred shares of patrinia scabiosaefolia link, sixty-five shares of moxa leaf, eighty shares of pursslane, sixty-five shares of honeysuckle, sixty-five shares of parsnip, fifty shares of alumen, fifty shares of borax, five shares of borneol, and thirty shares of licorice. The penetration enhancer comprises a certain amount of laurocapram and a certain amount of propanediol with the weight proportion of eighty to fifteen - thirty; the adding amount of the penetration enhancer is point zero eight to point four percent of the weight of the active pharmaceutical ingredient. The drug has the advantage of being more effective than oral drugs and external lotion due to full play of effective ingredients by adding penetration enhancer in specific prescription and formulation.
Owner:温先敏

RFID-based greenhouse intelligent medicine spraying robot and method

The invention discloses an RFID-based greenhouse intelligent medicine spraying robot and method. The RFID-based greenhouse intelligent medicine spraying robot is characterized by comprising a central controller, an RFID path identification module, an image processing module, a medicine spraying module, a dosage module, a medicament detection module, a wireless communication module, a man-machine interaction module, a self-state detection module, a driving module, a power supply module, an alarm module and a storage module. The center controller is respectively connected with the RFID path identification module, the image processing module, the medicine spraying module, the dosage module, the medicament detection module, the wireless communication module, the man-machine interaction module, the self-state detection module, the driving module, the power supply module, the alarm module and the storage module. According to the invention, the whole medicine spraying process of fruits and vegetables in a greenhouse is finished in an intelligent mode, waste of medicines and medicine residuals are reduced, the work efficiency and the medicament utilization rate are greatly improved, the physical labor of people is reduced, and the people are prevented from medicament harm.
Owner:UNIV OF JINAN

Fertilizer for soil sterilization for preventing and controlling continuous cropping disease

InactiveCN101318865ABreak through the bottleneck that cannot be promoted on a large scaleIncrease productionFertilizer mixturesContinuous croppingDisease
The present invention relates to a fertilizer capable of disinfecting soil for preventing a replant disease, and a manufacturing method thereof. The raw materials of the invention are active carbon and zeolite, which absorb chloropicrin, and manure. The materials are made by a scientific method according to a certain proportion to produce a novel fertilizer which takes the prior practice of basal dressing during crop planting and disinfects the soil while fertilizing, thereby not only performing the disinsection and sterilization of the chloropicrin, but also simplifying the application of the chloropicrin and eliminating the potential risk of chloropicrinism. The method enables farmers to use chloropicrin to prevent the replant disease of crop conveniently and safely while achieving the aim of increasing yield and harvest. After the soil disinfection, no harmful residue is left in the soil and the crop, and thus the method can be used for producing harmless agricultural products.
Owner:张迎秋

Skin external-use composition for promoting wound healing

The invention provides a skin external-use composition for promoting wound healing. The composition is aqueous solution containing recombinant human insulin-like growth factors and recombinant human acidic fibroblast growth factors, and the pH of the aqueous solution is 4 to 9. The skin external-use composition can effectively promote the healing of wounds or sores and accelerate healing. The skin external-use composition in a better embodiment of the invention can still have high biological activity after the composition is stored for a long time in the form of aqueous solution, thereby having high rate of medicament utilization.
Owner:上海尚优生物科技有限公司

Injectable calcium sulphate-based sustained-release implantation component containing medicine-carrying particle and application

The invention relates to a medicine-carried injectable calcium sulfate based slow-release implant composition and application thereof. The slow-release implant composition adopts a component A and a component B, wherein the component A comprises 100 portions of semi-hydrated sulfuric acid, 0.1 to 10 portions of nucleater, 0.1 to 5 portions of plasticizer, 0 to 5 portions of surfactant and 2 to 5 portions of medicine-carrying particles, and the medicine-containing mass concentration is between 4 and 20 percent; and the component B is a diluent, and the weight of the diluent is 30 to 60 portions as calculated by 100 portions of the semi-hydrated sulfuric acid. The medicine-carried particle injectable calcium sulfate based slow-release implant system has the advantages that: the slow-release implant system can inject local medicine-release implant into focuses and make the implant formed without operation, overcome the defect that general preformed implant materials do not closely contact circumferential bone tissues, and prevent encapsulation of fiber tissues; due to the osteoacusis function of calcium sulfate, the slow-release implant system is more suitable for growth and repair of the bone tissues; and due to unique medicine-carried particles, the slow-release implant system can realize local medicine release, is stable to release medicines, has long medicine effect time and high medicine utilization rate, and is suitable for treating bone defect and the like caused by osteomyelitis, osteocarcinoma and the like.
Owner:TIANJIN UNIV

Solid essential balm

A solid essential balm contains menthol, holly oil, eucalyptus oil, camphor, cloves oil, and solid oil. Its advantages are high utilization rate, durable effect and low volatility.
Owner:赵子珍

Intelligent chemical spraying robot for farmland based on electromagnetic detection

The invention discloses an intelligent chemical spraying robot for a farmland based on electromagnetic detection, and the robot is characterized in that a central controller of the robot is connected with an electromagnetic detection recognition path module, a permanent magnet detection module, a solar tracking module, a solar power generation module, an image processing module, a chemical spraying module, a chemical dispensing module, a chemical detection module, a wireless communication module, a man-machine interaction module, a self-condition detection module, a driving module, an alarm module, a storage module, and a power supply module. The robot intelligently completes the whole process of chemical spraying for crops of the farmland, reduces the waste and residuals of chemicals, improves the work efficiency and utilization rate of chemicals, is environment-friendly, saves energy, and enables a person not to be damaged by chemicals.
Owner:UNIV OF JINAN

Auxiliary treatment device for child allergic asthma

The invention discloses an auxiliary treatment device for child allergic asthma. The auxiliary treatment device mainly comprises a spraying device, a control device, an atomizing device, an air purification device, a ventilation pipe, a rotating shaft, a telescopic air pipe, a box body, a gas mixing tank, a fixed valve, an oxygen adding hole, an air funnel, a purification air pipe, an air pump, a gas collecting box, a clamping groove, a connecting top cover, a fan and an air quality sensor. The spraying device, the atomizing device and the air purifying device are controlled in an integrated mode and act together, spraying is uniform, countercurrent pollution cannot be caused, and cleaning and disinfecting are easy; the air purification device uses a four-layer multifunctional filter system composed of a pre-filtering net, an ionization filter screen, an activated carbon filter screen and an HEPA filter screen; the atomizing device is a gas compression type atomizer, the human body inhales oxygen comfortably, the oxygen can enter tracheae such as the bronchus and the lungs, the clinical effect is excellent, and the auxiliary treatment device is particularly suitable for treatment of respiratory diseases, convenient to use, accurate in curative effect, reasonable in design and capable of being widely applied clinically.
Owner:尹文艳

Method for preparing core-shell type polysaccharide gum location targeting carrier material

The invention discloses a method for preparing a location targeting polysaccharide gum carrier material. According to the method, water-based ferroferric oxide is coated with calcium pectinate, a drug carrier is made with a low-methoxyl pectin carrier as a framework material, the ferroferric oxide is modified by a hydrophile group, targeting is achieved through the magnetic ferroferric oxide, drugs are located in the diseased region by means of the external magnetic field and then released, and in this way, drug content in normal tissue is reduced, drug utilization rate is increased, and drug toxicity is reduced; by taking the low-methoxyl pectin carrier as the framework material, toxicity is avoided, safety is achieved, biocompatibility and biodegradability are high, the therapeutic index of drugs can be increased, drug toxicity can be reduced, and the side effects of drugs can be reduced.
Owner:ZHONGBEI UNIV

Wicker anti-cracking color-protecting drying method

InactiveCN105500484AChange anti mildewChange softenBiocideWood treatment detailsParaffin waxRootstock
The invention provides a wicker anti-cracking color-protecting drying method, and relates to the technical field of wicker plaiting article production. Before wicker is cut down, anti-cracking color-protecting liquid medicine is injected into the wicker from the rootstock of the wicker or the root of a branch; when the anti-cracking color-protecting liquid medicine is detected at the end of the branch, the wicker can be cut; leaves of the cut-down wicker are removed, and then the wicker is soaked into a solution for 2 h, wherein the solution is prepared on the basis that the ratio of glycerinum to water is 1:10; then, the wicker is taken out and dried, then soaked in molten paraffin wax and taken out, and the surface of the wicker is completely wrapped by paraffin wax; a fine sand and salt mixture is an embedding agent, slow heating is performed, and drying and softening are performed on the wicker. The living wicker processing technology is simple, and a traditional wicker postprocessing method is broken through; after living wicker anti-cracking color-protecting drying processing, the wicker can be directly used for plaiting wicker products, the original color of the wicker can be kept, the wicker is not likely to crack, and the medicine utilization rate is greatly improved compared with a traditional method.
Owner:蚌埠海上明珠农业科技发展有限公司

Reservoir type ropivacaine pharmaceutical composition as well as preparation method and application thereof

The invention provides a reservoir type ropivacaine pharmaceutical composition as well as a preparation method and application thereof. The pharmaceutical composition comprises: ropivacaine, a pharmaceutical solvent, a medicinal phospholipid, medicinal oil, and pharmaco enhancers, a non-essential antioxidant and a non-essential acid-base regulator. The pharmaceutical composition has a controllable release behavior and a sustained release effect, can significantly reduce the peak serum concentration of the drug, maintain a stable plasma concentration in the body, prolong the effective treatment time, reduce the effective therapeutic dose, improve the utilization of the drug, and reduce the risk of neurotoxicity. The pharmaceutical composition has a long-lasting analgesic effect and can be used for pain treatment.
Owner:SHANGHAI INST OF MATERIA MEDICA CHINESE ACAD OF SCI

Preparation method of drug balloons as well as drug balloons prepared by preparation method and application thereof

The invention provides a preparation method of drug balloons as well as the drug balloons prepared by the preparation method and application thereof. The preparation method is characterized by comprising the following steps: curing chitosan to surfaces of balloons to obtain balloons with surfaces modified by the chitosan; spraying a drug solution on the obtained balloons with the surfaces modified by the chitosan to obtain the balloons with surfaces provided with drug coatings; carrying out surface solvation treatment on the balloons and carrying out segmented folding and packing to obtain the drug balloons. According to the drug balloons prepared by the preparation method provided by the invention, the drug coatings can be uniformly and firmly combined on the surfaces of the balloons and not easily fall off; drugs are prevented from being washed off in an in-vivo conveying process; the loss of drugs is reduced and the utilization rate of the drugs is improved; the preparation method provided by the invention is accurate, stable and efficient, is suitable for industrial large-scale production and has a wide application prospect.
Owner:LEPU MEDICAL TECH (BEIJING) CO LTD

Electromagnetic-detection-based intelligent greenhouse pesticide spraying robot and method

The invention relates to an electromagnetic-detection-based intelligent greenhouse pesticide spraying robot and method. The intelligent greenhouse pesticide spraying robot is composed of a central controller, an electromagnetic detection identification path module, a permanent magnet detection module, an image processing module, a pesticide spraying module, a pesticide dispensing module, a drug detection module, a wireless communication module, a human-computer interaction module, a self-state detection module, a driving module, an alarm module, a storage module block, and a power supply module. The central controller is connected with the electromagnetic detection identification path module, the permanent magnet detection module, the image processing module, the pesticide spraying module, the pesticide dispensing module, the drug detection module, the wireless communication module, the human-computer interaction module, the self-state detection module, the driving module, the alarm module, the storage module block, and the power supply module. According to the invention, the whole pesticide spraying process of fruit and vegetable plants in a greenhouse can be completed intelligently; the pesticide wasting and residue can be reduced; the work efficiency and pesticide utilization rate can be improved; and thus people can be protected from being injured by the pesticide.
Owner:UNIV OF JINAN

Method for preparing rattan mildew proofing medicament

InactiveCN104430646ASteps to change anti-mildew treatmentCause harmBiocideFungicidesLiving treeAdditive ingredient
The invention provides a method for preparing a rattan mildew proofing medicament and relates to the technical field of production of rattan-woven products. The method comprises the specific steps: weighing all raw material ingredients for preparing the mildew proofing medicament according to a weight ratio, and mixing the raw material ingredients together; placing the mixed raw material ingredients into a vessel, adding water, decocting, boiling with intense fire firstly, then, decocting for 20-30 minutes with soft fire, and filtrating to remove decoction dregs, so as to obtain medicated liquid, wherein the volume of water added accords with that 6kg of medicated liquid is prepared from 1 kg of mixed raw material ingredients; removing macromolecular substances from the medicated liquid by adopting a nanofiltration technology, thereby preparing the rattan mildew proofing medicament. According to the method, the mildew proofing process for living trees is simple, and the traditional mildew proofing methods are broken through; after living rattan is subjected to mildew proofing, the rattan can be directly used for weaving the rattan-woven products, the steps of carrying out mildew proofing on the rattan in the traditional rattan weaving processes are thoroughly changed, the mildew proofing effect is greatly improved, and the utilization ratio of drugs is greatly increased compared with that of the traditional methods; the mildew proofing medicament is non-toxic and cannot cause any injury to human bodies.
Owner:安徽阜南县万家和工艺品有限公司

Remediation method of trichloroethylene-polluted underwater

The invention discloses a remediation method of trichloroethylene-polluted underwater, and belongs to the field of remediation of underwater subjected to organic pollution. The remediation method of the trichloroethylene-polluted underwater comprises the following steps of (1) measuring the content of trichloroethylene in the trichloroethylene-polluted underwater, and accounting the total volume of the polluted underwater; (2) producing a remediation agent A aqueous solution; (3) producing a remediation agent B aqueous solution; (4) dividing the remediation agent A aqueous solution and the remediation agent B aqueous solution into 3-10 parts separately and equally; (5) forming an injection well and a pumping well in a pollution source area of the trichloroethylene-polluted underwater, carrying out a reaction for 12-36 h, meanwhile, pumping the trichloroethylene-polluted underwater out of the pumping well, and reinjecting the trichloroethylene-polluted underwater to the injection well;(6) after the reaction in the step (5) is completed, collecting underwater through the pumping well or a monitoring well, detecting a trichloroethylene concentration, and recording data; and (7) whenthe trichloroethylene concentration is higher than a remediation target, repeating the step (4) to the step (6), wherein when the pollutant concentration is lower than the remediation target, remediation work is completed.
Owner:UNIV OF JINAN

High-molecular anti-tumor medicine for bonding vascular disrupting agent and immunomodulatory agent and preparation method thereof

ActiveCN109771657ASolve the problem of difficult penetration into tumor interiorLong-term effective resistanceEther/acetal active ingredientsPharmaceutical non-active ingredientsChemical reactionCycloaddition
The invention discloses a high-molecular anti-tumor medicine for bonding a vascular disrupting agent and an immunomodulatory agent and a preparation method thereof. According to the high-molecular anti-tumor medicine, a polyethylene glycol block and a polylactide block serve as main chains, and the vascular disrupting agent and immunomodulatory agent pharmaceutical molecules are grafted and bondedat the same time on the main chins through chemical reactions such as a sulfydryl-alkene light click reaction, an esterification reaction and a nitrine-alkyne cyclic addition reaction. Due to the synergistic effect of the tumor vascular occlusion therapy and the immune therapy, the high-molecular anti-tumor medicine improves the anti-cancer activity under the condition that the dosage of the medicine is reduced, and the defects that a traditional chemotherapeutic has difficulty in infiltrating in tumor cells and has drug resistance are avoided; meanwhile, the immune therapy is used for activating the immune system of a patient to kill the tumor cells for a long time, and clinical tumor metastasis and relapse are effectively prevented. In addition, a synthetic method of the anti-tumor polymer bonding medicine has the advantages of being simple, effective, mild in reaction condition and the like.
Owner:XIANGTAN UNIV

Intraocular-pressure continuous glaucoma detection system and detection method thereof

ActiveCN110367927AImprove prevention and controlGood treatment effectEye treatmentTonometersDiseaseIrritation
The invention belongs to the technical field of detection and treatment of ophthalmic diseases and particularly discloses an intraocular-pressure continuous glaucoma detection and drug delivery systemwhich comprises a corneal contact lens. An intraocular-pressure detection circuit and a drug delivery circuit are integrated in the corneal contact lens, the intraocular-pressure detection circuit isused for detecting intraocular-pressure information and transmitting the intraocular-pressure information to a single chip microcomputer outside the corneal contact lens in a wireless manner, and thesingle chip microcomputer judges the intraocular pressure according to the received information. When the intraocular pressure is beyond a normal range, the single chip microcomputer wirelessly supplies power to the drug delivery circuit, and a drug is delivered after rectification by the drug delivery circuit. The detection system can continuously detect the fluctuation of the intraocular pressure and the abnormal increase of the intraocular pressure for a long time, can timely adopt an iontophoresis mode to carry out controllable drug delivery when the intraocular pressure exceeds the normal range, and ensures the real-time detection of the intraocular pressure and timely, efficient and controllable drug treatment. In addition, the system has the advantages of portability, small irritation to eyes, no limitation by places and time for diagnosis and treatment of glaucoma, high drug utilization rate and the like.
Owner:SUN YAT SEN UNIV

High-air-permeability degradable drug-loaded skin wound dressing and preparation method thereof

The invention discloses a high-air-permeability degradable drug-loaded skin wound dressing and a preparation method thereof. The dressing comprises a dressing inner layer, a dressing outer layer and a repairing colloid layer, wherein the repairing colloid layer is located between the dressing inner layer and the dressing outer layer; the dressing inner layer is obtained by performing electrostatic spinning on an inner layer spinning solution; and the dressing outer layer is obtained by performing electrostatic spinning on an outer layer spinning solution. The used material of the dressing are safe and non-toxic, the biodegradation rate is high, the pollution to the environment is avoided, and environmental pollution caused by medical waste can be effectively relieved. The dressing is simple in preparation process, mild in reaction condition and high in safety, is very suitable for industrial production, and has high economic value and environmental protection value.
Owner:湘雅生物医药(湖州)有限公司

Medicinal paste for treating hyperosteogeny and bone wound and its preparing method

A Chinese medicine in the form of ointment for treating hypersteogeny, bone fracture, arthrodynia, arthritis, etc is prepared from multiple Chinese-medicinal materials including Sichuan aconite root, hot pepper, myrrh, safflower, etc. Its preparing process is also disclosed.
Owner:江西昌正科技产业有限公司

Doxorubicin prodrug for combined use of tumor penetration enhanced photo-thermal and chemotherapy and preparation method of doxorubicin prodrug

ActiveCN114209824AGive full play to the effect of chemotherapyImprove drug utilizationOrganic active ingredientsDrug photocleavageChemo therapyTumor cells
The invention discloses an adriamycin prodrug for combined use of tumor penetration enhanced photothermal and chemotherapy and a preparation method of the adriamycin prodrug. The preparation method comprises the following steps: after DOX and NPC-PEG-SH react, connecting a sulfydryl end with a photothermal conversion material to synthesize DOX-photothermal conversion nanoparticles; further, a hydrazone bond is introduced into PEG and PCL to prepare pHPP; finally, the DOX-photothermal conversion nanoparticles are coated with the pHPP, and the DOX prodrug is prepared. The nano-drug prepared by the invention has the characteristic of combined use of photothermal and chemotherapy with enhanced in-tumor permeation, and can more effectively resist tumor cells. The nano-drug has an intelligent size regulation strategy, has a large size in blood to enhance long circulation, is disintegrated into small-size DOX-photothermal conversion nano-particles in a tumor to enhance permeation, and can generate heat under near-infrared illumination to release DOX after penetrating into the deep part of the tumor, so as to achieve the purpose of enhancing the penetration of the DOX-photothermal conversion nano-particles. Therefore, the aim of combining photo-thermal and chemotherapy is fulfilled.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Method for treatment of oily sludge

The invention provides a method for treatment of oily sludge. The method includes the steps of primary conditioning and tempering treatment, namely adding sludge, water, a demulsifier and a flocculantin a certain proportion, and diluting the sludge to the flow state from a viscous state via full mixing with mechanical stirring; ultrasonic treatment, namely heating a sludge and water mixture subjected to primary conditioning and tempering into 45-55DEG C for ultrasonic treatment; secondary conditioning and tempering treatment, namely adding an alkaline dispersing agent and a dehydrating agentto carry out secondary conditioning and tempering treatment on depth-level oil which is not completed separated in the previous treatment for further oil-solid separation; centrifugal separation; drying and oil-water layer separation.
Owner:TIANJIN UNIV

Deep dehydration pretreatment process for landfill sludge

The invention relates to a deep dehydration pretreatment process for landfill sludge. The deep dehydration pretreatment process comprises the following steps of (1) performing viscosity measurement onexcess sludge of a sewage treatment plant to obtain a sludge viscosity standard range; (2) diluting to-be-treated landfill sludge based on the sludge viscosity standard range obtained in step (1), then measuring the viscosity of the to-be-treated landfill sludge so that the viscosity of the diluted landfill sludge is within the sludge viscosity standard range and is smaller than a maximum value of the sludge viscosity standard range; and (3) adding a chemical conditioning agent to the diluted landfill sludge, conditioning and then dehydrating the diluted landfill sludge to obtain the deep dehydration pretreatment sludge having a water content of less than 60%, and recycling the sludge dehydration liquid for diluting the landfill sludge. Compared with the prior art, the deep dehydration pretreatment process for the landfill sludge effectively reduces the generation of the dehydration liquid and maximizes the effect of the medicament by using the sludge viscosity as a reference for thelandfill sludge dilution degree, and fills in the gap of the technical field of pretreatment before conditioning of the landfill sludge.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Preparation method for anti-cracking color protecting drug liquid for living rattan

The invention provides a preparation method for anti-cracking color protecting drug liquid for living rattan, and relates to the technical field of production of rattan-weaved products. The preparation method comprises the specific steps that all raw material components are mixed together; the mixture is placed in a container, water is added for decoction, the water is firstly burned to be boiled with big fire, and then the mixture is boiled slowly with soft fire for 20 min to 30 min; drug residues are filtered out, drug liquid is taken, and according to the water adding quantity, 6 kg of drug liquid is prepared from each kilogram of mixed raw materials; and macromolecular substances in the drug liquid are removed through a nanofiltration technology, and the anti-cracking color protecting drug liquid for the living rattan is prepared. The treatment process for the living rattan is simple, and a traditional rattan aftertreatment method is broken through. After the living rattan is subjected to anti-cracking color protecting and drying treatment, the rattan can be directly used for weaving the rattan-weaved products, the original color of the rattan can be kept, the rattan is not prone to crack, and the drug utilization rate is greatly increased compared with a traditional method.
Owner:蚌埠海上明珠农业科技发展有限公司

Clinical nutritional composition for promoting ulcerative colitis mucosa repair and preparation method of clinical nutritional composition

The invention discloses a clinical nutritional composition for promoting ulcerative colitis mucosa repair and a preparation method of the clinical nutritional composition. The clinical nutritional composition is prepared from the following components in parts by mass: protein, carbohydrate, fat, apigenin, butyric acid compounds, walnut oligopeptide, calcium, iron, zinc, potassium, magnesium, phosphorus, selenium, copper, chromium, molybdenum, iodine, vitamin D, vitamin C, vitamin A, vitamin B1, vitamin B2, vitamin B3, vitamin B6, folic acid, vitamin B12, vitamin E, vitamin K, biotin and pantothenic acid. The composition aims at the characteristics of two diseases of intestinal mucosa injury and colon motility abnormality of UC patients, can quickly supply energy, inhibit inflammation and recover colon motility, further accelerates repair of colon mucosa, improves the nutrient absorption rate and drug utilization rate, and achieves the goals of inducing and maintaining clinical relief and mucosa healing, preventing and treating complications and improving the activity period UC treatment of the life quality of the patients.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Method for preparing Chinese medicinal tablet by ultramicropulverization technology

The present invention relates to a method for preparing Chinese medicine tablet preparation by adopting ultramicropulverization technology. Said method includes the following steps: raw material treatment, granulating, tabletting and coating, in which when the Chinese medicinal material is pulverized, the Chinese medicinal material can be pulverized into the crude granules with 60-300 meshes, then the crude granules are ultramicropulverized into the fine granules with 1250-2500 meshes, then dissolving these granules with solvent, filtering and taking out the filtrate. Said invention is small in table volume, high in medicinal effective component extraction rate and high in medicine utilization rate.
Owner:李建立

Elastic polyurethane antibacterial material and preparation method thereof

The invention discloses an elastic polyurethane antibacterial material and a preparation method thereof. The preparation method comprises the steps: subjecting tartaric acid and polyhydric alcohols toa catalytic reaction to obtain modified polyhydric alcohols, then adding an antibacterial agent and an emulsifier into the modified polyhydric alcohols, feeding nitrogen for cooling after a period ofhigh-temperature reaction, adding polyisocyanate and a chain extender into the reactants, and terminating with gastrodin to obtain the elastic polyurethane antibacterial material. The antibacterial material disclosed by the invention can generate ROS stimulation response in the presence of bacteria, so that the medicine utilization rate is effectively improved. The tartaric acid provided by the invention has a large number of active functional groups, a cross-linked network structure can be formed, the cross-linking density of the network structure can be changed by adjusting the proportion of synthetic raw materials, and the drug release rate during response of the antibacterial material is regulated and controlled. The added gastrodin can improve the mechanical property and the deformation resistance of the polyurethane antibacterial material, so that the polyurethane antibacterial material still has good physical and mechanical properties after chemical bonds are broken in the ROSresponse drug release process.
Owner:浙江德美博士达高分子材料有限公司

Air-ground cooperative pesticide application method and system

The invention provides an air-ground cooperative pesticide application method and system. The method comprises the steps that: target information of a to-be-operated orchard is obtained, wherein the target information includes geographic feature information and fruit tree feature information; according to the target information, a collaborative operation path of a plant protection unmanned aerial vehicle and a ground pesticide application unmanned vehicle is determined; and the plant protection unmanned aerial vehicle and the ground pesticide application unmanned vehicle are controlled to operate according to the collaborative operation path. According to the air-ground cooperative pesticide application method and system of the invention, the collaborative operation path is planned according to the feature information of orchards and fruit trees; on this basis, the plant protection unmanned aerial vehicle and the ground pesticide application unmanned vehicle are controlled to operate according to the planned collaborative operation path; the ground pesticide application unmanned vehicle is utilized to perform supplementary operation on an operation blind area of the plant protection unmanned aerial vehicle in an air-ground collaborative pesticide spraying mode, and therefore, pesticide liquid can fully cover the fruit trees, the pesticide utilization rate is improved to the maximum extent, negative effects caused by unreasonable pesticide spraying are reduced, environmental pollution is reduced, the pesticide spraying control mode and effect are optimized, fruit tree diseases and insect pests are effectively prevented and treated, and stable yield and yield increase of fruits can be effectively guaranteed.
Owner:BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI

Anti-cracking and color-protecting drying method for rattan

InactiveCN105522630AChange anti mildewChange softenReed/straw treatmentTwigRhizome
The invention provides an anti-cracking and color-protecting drying method for a rattan, and relates to the technical field of production of rattan-woven products. Anti-cracking and color-protecting chemical liquid is injected into the rhizome of the rattan or the root of the twig before the rattan is cut down. When it is detected that the anti-cracking and color-protecting chemical liquid exists at the tail end of the twig, the rattan is cut down. The cut rattan is soaked in a solution prepared from glycerinum and water according to the proportion of 1:10 for two hours after the leaves of the rattan are removed. Then the rattan is taken out, dried, soaked in molten paraffin again and taken out so that the surface of the rattan can be completely wrapped by the paraffin. Fine sand is used as an embedding medium, the rattan is heated slowly, dried and softened. The processing technology for the living rattan is simple and breaks through a traditional rattan post-processing method. After the living rattan is subjected to anti-cracking and color-protecting drying treatment, the rattan can be directly used for weaving rattan-woven products, the original color of the rattan is kept, the rattan is not prone to cracking, and the chemical utilization rate is greatly improved compared with the traditional method.
Owner:蚌埠海上明珠农业科技发展有限公司
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