Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

587results about How to "Good regulation" patented technology

Water soluble humic acid multi-element solid fertilizer and production method thereof

The invention discloses a water soluble fertilizer and a production method thereof, in particular to a water soluble humic acid multi-element solid fertilizer and a production method thereof. The water soluble humic acid multi-element solid fertilizer is made by mixing water soluble humic acid, water soluble nitrogenous fertilizer, water soluble phosphorous fertilizer, water soluble potassic fertilizer and water soluble complex trace elements. Compared with the prior art, the water soluble humic acid multi-element solid fertilizer can reduce the transporting and packing cost, can be rapidly dissolved without agglomeration when in use, is applied along with water, and has the advantages of strong points, high nutrient content, complete nutrition, good water-solubility, combination of organic and inorganic matters as well as high effect of fertilizer and utilization rate. The utilization rate of product nitrogen reaches 60%, the utilization rate of phosphorus is 30-35%, and the utilization rate of potassium is 60-70%, so that the fertilizer application utilization rate is increased by more than 10% compared with the conventional fertilizer.
Owner:新疆三赢农业科技发展有限公司

Composition for preventing and treating virus diseases of crops

The invention discloses a composition for preventing and treating virus diseases of crops, which is prepared from a medicament A for preventing and treating virus diseases, a medicament B for killing pests with piercing-sucking mouthparts, a plant growth regulator, a plant nutrient ingredient C, an assistant and a carrier. The medicament-fertilizer composition realizes multiple purposes, can prevent and treat virus diseases and control the main transmitting vectors of the virus diseases such as aphids, plant hoppers and the like, is capable of adjusting the growth of crops and complementing nutrition to crops, improves the disease resistance of crops while enhancing the yield and quality of crops, and can be used for preventing and treating virus diseases of crops including rice, tobacco, cucumbers, tomatoes and the like.
Owner:GAUNGXI TIANYUAN BIOCHEM

Chinese medicinal herb-seaweed composite biological agent and preparation method thereof

The invention provides a Chinese medicinal herb-seaweed fertilizer composite biological agent and a preparation method thereof. Effective constituents are extracted from Chinese medicinal herbs and seaweed, which are used as main raw materials, to prepare the biological composite preparation. The Chinese medicinal herb-seaweed fertilizer composite biological agent not only reserves biological active substances in seaweed, but also enhances the drug effect of the Chinese medicinal herbs as insecticide. The biological composite preparation contains rich Chinese medicinal herbs and multiple active substances in seaweed, thereby enhancing the photosynthesis of crops, enhancing the crop yield and product quality, enhancing the drought tolerance, cold tolerance and stress tolerance of the crops, accelerating prematurity and fruit setting rate, preventing and killing various soil insects and enhancing the disease resistance of the crops. The invention has the advantages of low cost, favorable solubility and environmental protection, and is convenient for popularization.
Owner:青岛丰邦农化有限公司

Method for preparing WC base hard alloy with high hardness and high toughness

ActiveCN102061401AHigh crystalline integrityHigh hardnessCrystalline perfectionRare earth
The invention discloses a method for preparing a WC base hard alloy with high hardness and high toughness. Nano W powder, nano graphite powder and superfine Co powder or superfine Ni powder or superfine Co powder and superfine Ni powder with the specific surface area average granularity of smaller than 0.5 micron are used as raw materials; superfine Cr3C2 and rare earth are used as combined doping agents; the addition amount of the superfine Cr3C2 is controlled to account for 6-8 percent by mass of alloy binding agent; the addition amount of rare earth is controlled to account for 0.3-0.7 percent by mass of alloy binding agent in the terms of oxide; W-Co-C or W-Ni-C or a W-Co-Ni-C mixed material which is combined and doped by superfine Cr3C2 and rare earth is prepared by adopting a wet grinding process; an alloy press blank is prepared by adopting a die forming or hydrostaticisostatic forming process according to the product size and appearance characteristics; alloy is sintered by adopting a vacuum-sintering process or a pressure sintering process; and the alloy sintering temperature is controlled between 1,360 DEG C and 1,420 DEG C. According to the invention, WC base hard alloy with high crystalline perfection, pure plate-shaped crystal structure and isotropy can be prepared and the double-high performance characteristics of the alloy are realized.
Owner:GUANGDONG XIANGLU TUNGSTEN

Nano biological filler for purifying aquaculture wastewater in biological filter tank and preparation method of nano biological filler

The invention discloses nano biological filler for purifying aquaculture wastewater in a biological filter tank and a preparation method of the nano biological filler. The biological filler comprises an EM rejuvenation solution and an adsorption carrier of the EM rejuvenation solution, wherein the EM rejuvenation solution is a product obtained by performing mixed fermentation on an EM stock solution, molasses and deionized water; the adsorption carrier is obtained by performing mixed pressing on composite nano powder, kaolin powder and modified bentonite; the composite nano powder is a product obtained by performing mixing and high-temperature sintering on nano-level aluminum oxide, titanium dioxide and silicon dioxide; modified bentonite is prepared from sodium diethyldithiocarbamate modified original soil. The preparation method comprises the following steps: pressing adsorption carrier particles; fermenting to obtain the EM rejuvenation solution; dipping the EM rejuvenation solution by using the adsorption carrier to obtain the nano biological filler. The obtained nano biological filler is high in pore volume, high in cell adsorption capacity, large in specific surface area and strong in stability, has a good treatment effect on aquaculture sewage, and can be used for rapidly removing ammonia nitrogen, phosphorus and heavy metal ions in an aquaculture water body.
Owner:江苏三新山水生物科技有限公司

Farm-oriented addition agent composition

The invention relates to the field of agriculture and particularly relates to a farm-oriented addition agent composition. The farm-oriented addition agent composition comprises a humectant and a surfactant, wherein the mass percent of the humectant in the composition is 20%-95%; the mass percent of the surfactant in the composition is 5%-80%. The farm-oriented addition agent composition can be used for promoting pesticides to be absorbed by barks, has the capabilities of wetting and penetrating the barks, and is suitable for noninvasive medicine use of trunks.
Owner:张建国

Multi-effect biological pesticide aqueous solution agent and preparation method and application thereof

The invention relates to a multi-effect biological pesticide aqueous solution agent and a preparation method thereof. The multi-effect biological pesticide aqueous solution agent is characterized in that the agent contains 5-50 percent of pesticide active ingredient plant essence oil, 5-50 percent of simple organic carboxylic acid with a synergistic effect, 5-50 percent of pesticide assistant and 10-85 percent of water, wherein the plant essence oil is one or a mixture of wintergreen oil, camphor tree oil, clove oil, peppermint oil, eucalyptus oil, citionella oil, tea tree oil, lemongrass oil and cinnamon oil, the simple organic carboxylic acid with the synergistic effect is one or a mixture of formic acid, acetic acid and propionic acid, and the pesticide assistant is one or a mixture of dodecylbenzene sulfonic acid, Tween-80, Span-80 and OP-10. The agent can be used for insect killing, insect expelling, sterilization and antivirus in mosquito repelling, family agriculture, family flowering, organic agriculture and green agriculture.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Special liquid rooting fertilizer for vegetables as well as preparation method and application of special liquid rooting fertilizer

The invention discloses a special liquid rooting fertilizer for vegetables as well as a preparation method and an application of the special liquid rooting fertilizer. The rooting fertilizer consists of the following components in parts by mass: 100-150 parts of potassium nitrate, 100-150 parts of urea, 100-150 parts of potassium dihydrogen phosphate, 40-80 parts of fulvic acid, 10-50 parts of molasses, 10-50 parts of calcium ammonium nitrate, 10-50 parts of composite amino acid solution, 5-10 parts of ethylene diamine tetraacetic acid (EDTA) iron, 5-10 parts of ethylene diamine tetraacetic acid (EDTA) zinc, 5-10 parts of boric acid, 5-10 parts of sodium alginate, 5-10 parts of alpha-pimacol and 500-800 parts of water. The rooting fertilizer disclosed by the invention, through mutual matching and combined action of various components and contents, can achieve a remarkable rooting effect, and is simple and convenient to use, and is a product which is remarkable in effect on promoting root development of the transplanted vegetables.
Owner:SOUTH CHINA AGRI UNIV

Room-temperature terahertz wave detector

The invention relates to a room-temperature terahertz wave detector which uses a transistor with high electron mobility as a basic structure and comprises an antenna capable of efficiently coupling with terahertz waves, wherein the antenna and the transistor with high electron mobility are integrally arranged, but the antenna is mutually independent from the source electrode and drain electrode of the transistor with high electron mobility; a pair of butterfly antennae are connected between the source electrode and the drain electrode so as to generate a crosswise terahertz electric field in an electron channel; and one butterfly antenna is connected to the drain electrode of the transistor with high electron mobility so as to generate a lengthways terahertz electric field in the electron channel. By utilizing the detector provided by the invention, the regulation and control carried out on the two-dimensional plasma wave by the grid electrode of the transistor with high electron mobility can be effectively enhanced, and the terahertz wave can be detected with high speed, high efficiency, high sensitivity and low noise; simultaneously, under the working condition of room temperature, the application scope of terahertz wave can be obviously widened, and the application cost can be lowered; and, the room-temperature terahertz wave detector can be manufactured by using a semiconductor micro-processing technique with minimized device structure and high integrated level.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Preparation and use of glutinous rice tabia cementing material

InactiveCN102584102ASave energyCan not change the original appearanceBuilding material handlingEngineeringEnvironmental geology
The invention which relates to a cementing material with a glutinous rice lime mortar brick setting structure and a using method thereof belongs to the civil engineering field. The glutinous rice tabia cementing material is prepared according to the following steps: 1, preparing tabia; 2, weighing glutinous rice powder having a mass of about 3% of the dry mass of needed tabia, alum having a mass of about 0.4% of the mass of the glutinous rice powder and brown sugar having a mass of about 1% of the mass of the glutinous rice powder, and uniformly mixing the three substances; 3, putting the obtained mixture of the glutinous rice powder, alum and brown sugar into a heating vessel, adding clear water, uniformly stirring, and stewing to gelatinization; and 4, pouring the obtained well-gelatinized glutinous rice slurry into the tabia, and uniformly mixing in a mixer. The glutinous rice tabia cementing material of the invention, which has the advantages of energy saving, easily obtained materials, low processing degree, environmental protection, and improvement of the anti-compression shear strength of the brick setting structure, is an ideal cementing material for restoring and building a brick setting ancient architecture.
Owner:HOHAI UNIV

Alginic acid fertilizer synergist with ammonia volatilization inhibiting effect and preparation method of alginic acid fertilizer synergist

The invention discloses an alginic acid fertilizer synergist with an ammonia volatilization inhibiting effect. The alginic acid fertilizer synergist is characterized by being prepared from the following ingredients in parts by weight: 60-80 parts of seaweed, 2-5 parts of strains, 5-10 parts of carbon sources, 3-5 parts of nitrogen sources, 30-50 parts of water, 1.2-1.5 parts of medium trace elements, 0.4-0.6 parts of soil loosening agent, 2-4 parts of acid soil conditioners and 0.8-1.2 parts of plant growth regulators. The prepared alginic acid fertilizer synergist adopts the pure natural ingredients, so that the alginic acid fertilizer synergist is excellent in environmental protection property, can be degraded completely, and can facilitate a plant to absorb nutrients in soil; an ammonia volatilization inhibiting rate reaches up to 34-45%; the soil loosening agent can loosen the soil; the acid soil conditioner can improve a micro ecological environment of the soil and promote yield increasing of crops; the plant growth regulator accelerates germination and can increase the stress resistance of the crops; and the chelating state medium trace elements can increase the utilization ratio of nutrients and improve the quality of the crops.
Owner:QINGDAO HAILIYUAN BIOTECH

Efficient snail-killing type organic fertilizer produced from tea seed cakes and preparation method thereof

The invention relates to an efficient snail-killing type organic fertilizer produced from tea seed cakes and a preparation method thereof. The efficient snail-killing type organic fertilizer is characterized by being prepared from the following raw materials in percentage by weight: 45 to 60 percent of the tea seed cakes, 25 to 45 percent of chicken manure, 0.5 to 3 percent of phosphate fertilizer, 5 to 20 percent of organic additive, 0.5 to 3 percent of microbial decomposition agent, and 1 to 4 percent of snail-killing synergistic agent. The efficient snail-killing type organic fertilizer has the characteristics of complete nutrients, cultivatable fertility of a common organic fertilizer, can effectively kill paddy field pomacea, leeches, wireworms and the like, is biologically environment-friendly and nuisanceless, has the function of regulating the plant growth, can carry out snail-killing and fertilizing at the same time, simplifies the farming procedures, is convenient to use, saves labor power and materials, and can stimulate the growth of plant; and a contained plant growth regulator can promote the metabolism and the photosynthesis of the plants, promote the root system development, increase new roots, promote the reproductive development, and improve the disease-resistant and degeneration-resistant capacities of paddy.
Owner:广东新大地生物科技股份有限公司 +1

Ecological remediation device and method for electroplating waste land polluted soil

The invention belongs to the technical field of soil remediation, and in particular relates to an ecological remediation device for electroplating waste land polluted soil. The ecological remediation device comprises an ecological soil remediation pond, a nutrient liquid adjusting pond, a first atomizer and a first sucking pump, wherein the ecological soil remediation pond comprises a rainwater collecting tank positioned at the bottom and a polluted soil piling area positioned above the rainwater collecting tank; aquatic plants and terrestrial plants are planted in the polluted soil piling area; the rainwater collecting tank is connected with the nutrient liquid adjusting pond through a first pipeline; the nutrient liquid adjusting pond is connected with the first atomizer through a second pipeline; the first sucking pump is arranged on the second pipeline; the first atomizer is positioned above the polluted soil piling area. Compared with the prior art, the device has the characteristics of economy, environment-friendliness, high efficiency and short remediation period when being used for remedying electroplating waste land polluted soil. In addition, the invention further discloses an ecological remediation method for electroplating waste land polluted soil.
Owner:东莞市环境科学研究所

Process for manufacturing algae compound flushing fertilizer

The invention relates to an algae compound flushing fertilizer, and belongs to the field of compound fertilizers. The algae compound flushing fertilizer is prepared by treating natural wild or artificially cultured algae and mixing the effective ingredients of the algae and urea, monoammonium phosphate, potassium sulfate, ammonium sulfate, chelated trace element, anti-caking agent and plant regulator 6-BA. The algae compound flushing fertilizer comprises the following components in percentage by weight: 2 to 10 percent of algae extract, 15 to 60 percent of urea, 5 to 12 percent of monoammonium phosphate, 15 to 50 percent of potassium sulfate, 1 to 10 percent of ammonium sulfate, 0.5 to 1 percent of chelated trace element, 0.1 to 0.2 percent of anti-caking agent and 0.1 to 0.3 percent of 6-BA. The fertilizer can be directly used with water, directly exerts fertilizer efficiency after being used, has high fertilizer efficiency, can be directly absorbed by crops after being used, is suitable to be used as a base fertilizer or early topdressing and can be scattered or flushed, and generally 10 to 20 kilograms of fertilizer is applied in each mu.
Owner:BEIJING LEILI MARINE BIOINDUSTRY INC

Mechanical stepless speed gear with equal angular speed and shape-position and high gear ratio

A constant angular speed and synchro-positioning mechanical stepless gear with low paired and high gearing ratio is designed as infinitely gear with equally regular characteristics on theories of constant angular speed and synchro-positioning movement and constant angular speed and iso-directional and reversal speed regulation so as to dissolve the vital problem of traditional impulsive stepless gear. No weakness in the whole driving chain has equal bearing capacity and high load and shock resistance. The spatial structural series is flexible and can have driving shaft in all the directions. Its advantages include reasonable structure, easy operation, accurate and stability, and economical efficiency. Its main gearing system works at low-paired transmission, with high loading ability and outputs torque at low speed.
Owner:王国斌

Biodegradable algae liquid plastic film and preparation method thereof

The invention provides a biodegradable algae liquid plastic film, which is characterized by comprising the following components in parts by weight: 100 parts of algae extract, 2-10 parts of polyacrylate alginate jelly resin, 50-70 parts of lignosulfonate, 10-20 parts of humic acid, 20-30 parts of molasses or biochemical fulvate or a mixture of molasses and biochemical fulvate at a weight ratio of 1: 2, 10-20 parts of carboxymethyl cellulose and 300-500 parts of water. In addition, the invention also provides a preparation method of the algae liquid plastic film.
Owner:BEIJING LEILI MARINE BIOINDUSTRY INC

Fixed-frequency slow wave adjustable device

InactiveCN104536161ASmall scaleStrong optical responseNon-linear opticsMiniaturizationDielectric substrate
The invention relates to a fixed-frequency slow wave adjustable device which comprises a dielectric substrate and four graphene strips arranged on the dielectric substrate. Two graphene strips are tightly arrayed vertically and are used as electromagnetism-like induced transparency illuminated state units. The other two graphene strips are arrayed by a certain distance up and down horizontally and are used as electromagnetism-like induced transparency dark state units. Compared with the prior art, the structure is miniaturized, in addition, the optical response of graphene at a terahertz wave band is very strong so that in a transmission direction, one structure layer can achieve six-magnitude-order light speed lowering, the Fermi level of the graphene is very sensitive to external voltage, accordingly, the optical response of the graphene can be adjusted by adjusting the external voltage of the device, and slow wave adjustable performance is achieved.
Owner:TONGJI UNIV

Multiple-effect nanoscale biopesticide water aqua and use thereof

The invention relates to a multiple-effect nanoscale biopesticide water aqua, a preparation method of the multiple-effect nanoscale biopesticide water aqua and use of the multiple-effect nanoscale biopesticide water aqua. The invention is characterized in that the multiple-effect nanoscale biopesticide water aqua comprises 5-40% of pesticides active ingredient-containing plant essential oil, 20-90% of plant vinegar with efficiency enhancing effect and 5-40% of pesticide adjuvant, wherein the plant vinegar is one of or a mixture of more than one of bamboo vinegar, wood vinegar and / or grass vinegar, the plant essential oil is one of or a mixture of more than one of wintergreen, camphor tree oil, clove oil, peppermint oil, eucalyptus oil, citionella oil, tea tree oil, lemongrass oil or cinnamon oil, and the pesticide adjuvant is one of or a mixture of more than one of dodecylbenzenesulfonic acid, tween-80, SPAN-80 or OP-10. The water aqua is characterized in that the water aqua is used for repelling mosquitos as well as the application of killing insects, expelling parasite and virus resistance in family agriculture, family flower, organic agriculture and green agriculture.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Powdered multi-component fertilizer and its preparation method

The present invention relates to a powder multicomponent fertilizer and its preparation method. The composition of said multicomponent fertilizer is formed from 25 kinds of raw materials of magnesiumsulfate, cupric sulfate, manganese sulfate, zinc sulfate, potassium sulfate, urea and others. Its preparation method includes the steps of stoving, sun-drying, pulverizing to 180-200 meshes, mixing, uniformly stirring them so as to obtain the invented fertilizer. It can be used for regulating growth of plants, hastening germination, inducing root, strengthening seedling and raising adverse resistance, etc. It can be mixed with pesticide, the pesticide can be saved by 30-50%.
Owner:孙国庆 +1

Hydroponic nutrient solution for ornamental flowers

The invention discloses a hydroponic nutrient solution for ornamental flowers. The hydroponic nutrient solution comprises calcium nitrate potassium nitrate, potassium sulfate, ammonium nitrate, magnesium sulfate, calcium superphosphate, potassium dihydrogen phosphate, NaFe-EDTA.3H2O, boric acid, manganese sulfate, zinc sulfate, copper sulfate, ammonium molybdate, aspartic acid, tryptophan, vitamin B12, indoleacetic acid, thiophanate methyl, agricultural streptomycin, and the balance of water. The nutrient solution has the advantages of scientific proportioning, consideration of concentrations and proportions of nutritional elements in the nutrient solution, achieving of high solubility, high purity, few impurities and low price of a selected fertilizer, reasonable control of the amount of the fertilizer, timely supplementation of lost trace elements, and fertilizing and flower growth regulating effects.
Owner:杨定海

Voltage regulator having an inverse adaptive controller

A low drop-out (LDO) voltage regulator that has high a PSRR (Power Supply Ripple Rejection) performance and a high load regulation with low current consumption is disclosed. The voltage regulator doses not require any high gain error amplifier that may cause instability in the voltage regulator. A voltage-controlled current-feedback is presented that generates an inverse phase signal and compensation voltage for a ripple noise and dropout voltage, respectively. The voltage-controlled current-feedback generates a negative voltage slope with regard to the power supply voltage, which can cancel the ripple noise at the output terminal. The current-feedback creates a positive coefficient voltage with regard to the load current, which compensates the voltage drop caused by parasitic resistances.
Owner:NANOPOWER SOLUTION

Pet dog soft cookies with function of clearing ozostomia, and manufacturing method thereof

The invention discloses pet dog soft cookies with a function of clearing ozostomia, and a manufacturing method of the pet dog soft cookies, and belongs to the technical field of pet foods. The pet dog soft cookies comprise raw materials by weight parts: 25-40 parts of grain powder, 5-10 parts of grain starch, 5-15 parts of grain albumen powder, 15-40 parts of syrup, 2-5 parts of tara gum, 6-10 parts of fresh meat, 2-6 parts of animal fat, 2-5 parts of moisturizing agent, 0.1-0.15 part of sour agent, 0.5-0.8 part of multivitamin and amino acid, 0.05-0.15 part of potassium sorbate, 0.5-1.0 partof mineral elements, 0.5-5 parts of tea, 1-2 parts of flavor, 0.5-1.5 parts of phosphate and 30-70 parts of water. The manufacturing method of the pet dog soft cookies comprises the steps of mixing the raw materials, stirring, tabletting, baking and cooling. The tea in the components has a function of absorption, neutralization and polymerization on the odor in the oral cavity of a pet, so that the generation of the odor is effectively inhibited. The pet dog soft cookies contain about 22% of protein, thus reaching the standard specified by association of American feed control officials (AAFCO) for the pet food.
Owner:JIANGNAN UNIV

Moringa oleifera ferment and preparation method thereof

The invention provides moringa oleifera ferment and a preparation method thereof; the core is that a novel technology of chelating moringa oleifera active matter powder and fermented ferment concentrate produced by a factory is adopted, wherein the mass percentage of the moringa oleifera active matter powder is 10-20%; and the mass percentage of the fermented ferment concentrate is 80-90%. Whole-course constant-low-temperature ethanol extracting and composite enzymolysis wall-breaking technologies are adopted in the preparation process; probiotics is generated by fermenting by using saccharomycetes, so that the activity of moringa oleifera effective components can be directly absorbed by human-body tissue cells; the processed moringa oleifera effective components are changed from macromolecules to micromolecules, and therefore, harmful components, such as oxalic acid and phytic acid, are reduced, and the activity of the moringa oleifera effective components is kept and is easier to absorb by human bodies; particularly, on the premise of ensuring the advantages of the moringa oleifera ferment, the production cycle of the moringa oleifera ferment is greatly shortened; the production cost is effectively reduced, and thus, the moringa oleifera ferment is easier to popularize and apply widely.
Owner:广州天来宝生物科技有限公司

Caspase inhibitors and the use thereof

The invention discloses an organic rare earth bacteria inhibitor, mainly, a binary or ternary compound of lanthanon and 8-Hydroxyquinoline with other organic ligand. The invention also discloses the application of the organic rare earth bacteria inhibitor in preventing the plant bacteria and pests. The plant bacteria and pests include the rice bacteria and pests, the cotton bacteria and pests, the corn bacteria and pests, the vegetable bacteria and pests, and the like. The invention widens the application range of the rare earth to the pesticide filed; secondly, the invention comprehensively takes the advantage of the bacteriostatic function of the organic ligands and the rare earth, can perform double bacteriostatic effect with high bacteriostatic effect; in addition, the dosage of the organic rare earth bacteria inhibitor is less, the toxicity is low, the effective duration is long, the medicine resistance cannot be produced, and the production cost is low.
Owner:GRIREM ADVANCED MATERIALS CO LTD

Two-dimensional semiconductor negative capacitance field-effect transistor and preparation method thereof

The invention discloses a two-dimensional semiconductor negative capacitance field-effect transistor and a preparation method thereof. The device structure sequentially comprises a substrate, a two-dimensional semiconductor, a metal source-drain electrode, a ferroelectric gate medium with a negative capacitance effect and a metal gate electrode from bottom to top. The preparation method comprises the steps of firstly, preparing the transition metal chalcogenide two-dimensional conductor on a substrate; secondly, preparing the metal source-drain electrode by employing an electron beam lithography technology and combining a stripping process; thirdly, preparing a ferroelectric thin film with the negative capacitance effect on the structure; and finally, preparing the metal gate electrode on the thin film to form ferroelectric-controlled two-dimensional semiconductor negative capacitance field-effect transistor. Different from other two-dimensional semiconductor negative capacitance field-effect device structures, the metal-ferroelectric-semiconductor structure has the advantages that a high-performance negative capacitance field-effect device can be achieved; and an electrical test result shows that the subthreshold swing of the device is far smaller than 60mV / dec, the Boltzmann limit is broken through, and the two-dimensional semiconductor negative capacitance field-effect device simultaneously has the characteristics of extremely low power consumption, high-speed turnover and the like.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

Controller for FET pass device

A controller for regulating a FET to operate as a pass device including input, output and gate nodes coupled to a current path input, a current path output and the gate of the FET, respectively, a controlled low current device, and an oscillating high gain regulation amplifier. The voltage source provides a regulation voltage level relative to the input node. The low current device is coupled to the gate node and has a control input. The amplifier has a first input coupled to the output node, a second input coupled to the voltage source, and an output coupled to the control input of the controlled low current device to regulate the FET. The amplifier oscillates while regulating a voltage between the input and output nodes to the regulation voltage level. The controlled low current device presents a high impedance to the gate node to prevent oscillations from disturbing regulation.
Owner:INTERSIL INC

Application of disulfide compound in crop protection

The invention relates to application of a disulfide compound in crop protection. The invention discloses application of the disulfide compound shown by a structural formula (I) in serving as a plant growth regulator, a soil disinfectant or a pesticide synergist, wherein R1 and R2 independently represent C1-C6 alkyl, C3-C6 cycloalkyl, C2-C6 alkenyl, phenyl, tolyl, benzyl, fnrfuryl and furyl respectively. The disulfide compound can promote the growth and the development of plants, promote the formation of flower buds, improve the fruiting rate, protect fruit growth, improve the yield and the quality, kill bacteria, fungi, viruses and nematodes which are harmful to crops in soil, and reduce the using frequency or the dosage of insecticidal and acaricidal agricultural chemicals. 1 to 90 percent of the disulfide compound in percentage by weight and an agriculturally acceptable auxiliary agent are prepared into wettable powder, emulsions, sprayable solutions, concentrated emulsions, aerosols and seed coatings, and are sprayed after being diluted properly, irrigated to roots or splashed to leaf surfaces, stems, fruits or seeds of crops and soil, thus the disulfide compound is a multifunctional green pesticide.
Owner:罗山峰

Neutral compound fertilizer and preparation method thereof

The invention discloses a neutral compound fertilizer which is composed of 10-80 parts of nitrogenous fertilizers, phosphate fertilizers and potash fertilizers, 0-10 parts of microelement fertilizers, 1-7.5 parts of citric acid solvent magnesium oxide, 0-20 parts of humic acid and 0-0.08 part of plant growth regulator according to weight. The neutral compound fertilizer nutritionally balanced by comprising major elements needed in crop growth as well as microelements and secondary elements indispensable in crop growth, and can reduce fertilization times and save labor. The citric acid solvent magnesium oxide is creatively added so as to neutralize the acid radical in the fertilizer and make the produce to be physiologically neutral. Therefore, the neutral compound fertilizer can provide necessary magnesium nutrients for crops, improve the acid-base property, promote photosynthesis and enzyme activation, hasten crop growth, improve crop resistance, avoid soil acidification and soil salt and alkali accumulation, increase output, improve the quality and achieve yield increase and income increase. The neutral compound fertilizer does not need additional equipment in production and is simple in process, low in cost, high in added value and wide in the application prospect.
Owner:QINGDAO LILIHUI BIOTECH

Azole derivative, method for producing same, intermediate compound, and agricultural or horticultural chemical agent and industrial material protecting agent

Provided is an azole derivative which can be contained as an active ingredient in an agricultural or horticultural chemical agent having an excellent disease control effect. This azole derivative is represented by general formula (I). (In formula (I), R1 represents a C1-C6 alkyl group which may be substituted; R2 represents a functional group containing a carbonyl group, wherein a carbon atom in the carbonyl group is bonded to both a carbon atom substituted by R1 in the cyclopentane ring and any one selected from a hydrogen atom, a hydroxyl group, R3, OR3 and NR3R4; R3 and R4 independently represent a C1-C6 alkyl group, a C2-C6 alkenyl group or a C2-C6 alkynyl group; Y represents a halogen atom, a C1-C4 alkyl group, a C1-C4 haloalkyl group, a C1-C4 alkoxy group, a C1-C4 haloalkoxy group, a phenyl group, a cyano group or a nitro group; m represents 0-5; and A represents a nitrogen atom or a methine group.).
Owner:KUREHA KAGAKU KOGYO KK
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products