753results about How to "Inhibition of germination" patented technology

The invention relates to sterilized type organic fertilizer. The sterilized type organic fertilizer consists of the following raw materials in percentage by weight: 55 to 70 percent of chicken manure leavening, 6 to 25 percent of plant crushing materials, 5 to 10 percent of organic additive and 6 to 15 percent of inorganic additive. The sterilized type organic fertilizer has high sterilization effect, provides various nutritive elements for crops, has a simple process, and is convenient to use and to be popularized and applied in large scale.

The invention belongs to the field of biofertilizer and relates to a biological organic-inorganic composite fertilizer and a production method thereof. The production method comprises the following steps: mixing a fermented Paenibacillus pabuli bacteria solution accounting for 65wt%-80wt% and a silicate bacteria solution accounting for 20wt%-35wt% to prepare a composite bacteria solution; then directly mixing the composite bacteria solution with organic materials, an inorganic fertilizer and an adhesive to adsorb; and mixing, crushing and screening to prepare the powdery biological organic-inorganic composite fertilizer, or mixing, crushing, granulating, drying and screening to prepare the granular biological organic-inorganic composite fertilizer. By adopting the method, the equipment investment and the equipment maintenance cost can be reduced, the labor and the labor intensity can be reduced, the transportation cost can be reduced and the production cost can be reduced; and the count of effectively live bacteria of single bacterium in the biofertilizer is above one million per gram and the count of total live bacteria is above 20 million per gram.

A complementary metal-oxide-semiconductor (CMOS) device includes a substrate with a first active region and a second active region; a first gate structure and a second gate structure, respectively disposed on the first active region and the second active region; a first spacer structure and a second spacer structure respectively disposed on sidewalls of the first gate structure and the second gate structure; a first LDD and a second LDD respectively disposed in the substrate at both sides of the first gate structure and the second gate structure; an epitaxial material layer, disposed in the first active region and located on a side of the first LDD; and a passivation layer, disposed on the first gate structure, the first spacer structure, and the first LDD and covering the second active region, wherein the passivation layer comprises a carbon-containing oxynitride layer.

The invention discloses a fibre-polymer compound toughened concrete and a preparation method for the same. The basic raw materials of the concrete are coarse aggregate, fine aggregate, portland cement, fly ash and a polycarboxylic water reducer; moreover, fibres and a polymer are added, the fibres are any one of end-hook type steel fibres, superfine type steel fibres, modified polyester fibres, polyvinyl alcohol fibres, basalt fibres and cellulose fibres, and are doped in a ratio that the volume doped amount in per 1 m<3> concrete is 0.08%; and the polymer is any one of ethylene-vinyl acetate copolymer, ethyl acrylate, styrene-acrylate copolymer, vinyl acetate-acrylate copolymer and organosilicone acrylate, and the doped amount of each polymer is 10% based on the mass of the portland cement and the fly ash. The preparation method comprises the following steps of: pouring stone, sand, a gelling material, fibres, and water dissolved with a water reducer, and then stirring according to a blending mode of pouring dry materials at first and then pouring wet materials; and pouring the polymer, and stirring and forming.

The invention discloses a method for controlling weeds in a tea garden, which comprises the following steps: first, plowing is carried out on the ground between tea plant rows in winter to remove root systems of the weeds such as nutgrass flatsedge, alligator alternanthera, greenbrier, chinaroot greenbrier, cogongrass, smartweed, lygodium and the like; a high-quality organic fertilizer is applied in spring: a certain amount of rape seed cake fertilizer is broadcast; the ground is covered with rice straws in spring: after the rape seed cake fertilizer is broadcast, all tea plant rows in the garden are immediately evenly covered with a certain amount of the rice straws; the high-quality organic fertilizer is applied in summer: a proper amount of the rape seed cake fertilizer is broadcast at a certain time; and the ground is covered with the rice straws in summer: after the rape seed cake fertilizer is broadcast, all tea plant rows are immediately evenly covered with a certain amount of the rice straws. The method enriches biodiversity of the tea garden, improves the ecological condition of the tea garden, increases tea yield, improves the quality of tea leaves; in addition, the method has the advantage of simple operation, is easy to be accepted by tea growers and has great popularization and application prospect.

The invention discloses a plant essential oil micro-emulsion orange fresh-keeping agent and a preparation method thereof. The method comprises the following steps of: 1, adding 0.1 to 5 weight percent of cinnamon essential oil into 0.3 to 15 weight percent of auxiliary emulsifier, and stirring the mixture uniformly to obtain a micro-emulsion oil phase; and 2, adding 30 to 49 weight percent of emulsifier into the micro-emulsion oil phase, stirring the mixture uniformly, then adding quantitative water into the mixture to obtain plant essential oil micro-emulsion raw solution, and storing the raw solution in a thermostatic water bath or an incubator of 25 DEG C. The plant essential oil micro-emulsion orange fresh-keeping agent has good fresh-keeping effect. Proved by experiments, the fresh-keeping agent with low essential oil concentration can remarkably inhibit spore germination and germ tube elongation of penicillium and sour rot bacteria, has good inhibiting effect on pathogenic bacteria in the orange storage process, and can obviously improve the good fruit rate in the orange storage process. The preparation method has simple process, accords with the fresh-keeping development direction of the current fruits and vegetables, and has good development and application potential.

The invention provides a nuisanceless traditional Chinese medicine pesticide which has good insecticidal effects, does not cause resistance to a pesticide, has long action time and can promote crop growth. The traditional Chinese medicine pesticide comprises, by weight, 10-60 parts of melia root bark extract, 10-60 parts of Celastrus angulatus velamen or bark extract, 10-60 parts of derris velamen extract, 10-40 parts of extract of root of Stellera chamaejasme, 10-50 parts of extract of root of Caulis Spatholobi, 10-50 parts of root or leaf extract of Tripterygium wilfordii Hook. f., 20-50 parts of castor bean extract, 20-50 parts of yellowish sophora root extract, 20-50 parts of croton seed extract, 20-50 parts of extract of seed case of Chinese prickly ash, 20-50 parts of tea seed bran extract, 20-50 parts of fructus cnidii extract and 20-50 parts of radix stemonae extract. The above extract products are organic solutions obtained through an ethanol extraction method.

The invention discloses a preparation method of Fuzhuan tea golden flower fungus spore powder, which comprising the steps of: inoculating golden flower fungus to a CZG slant culture medium, culturing for 5days at a temperature of 26-30 DEG C to obtain a seed culture; adding sterile water in the seed culture, washing down golden flower fungus spores, fully oscillating to obtain a uniformly-dispersed spore suspension; inoculating the spore suspension on the culture medium, carrying out constant-temperature culture at 26-30 DEG C, covering with a sterile breathable sealing film before white hypha germinates, removing the sterile breathable sealing film when yellow hypha germinates, continuously culturing for 3-5 days to obtain a yeast seed; then carrying out enlargement to obtain mouldy bran; and crushing the mouldy bran and then sieving to obtain the Fuzhuan tea golden flower fungus spore powder. The artificially cultured Fuzhuan tea golden flower fungus spore powder can be used for extracting effective components of the golden flower fungus and inoculating fermented Fuzhuan tea; and the fermentation period can be shortened and the pollution of infectious microbe is reduced.

The invention relates to a micro-blanking forming device and a forming method, in particular to a high-frequency auxiliary micro-blanking forming device and a method for a foil plate. The device and the method aim at solving the problems in the existing high-precision blanking forming of the foil plate that an interval between a female die and a male die is small, a blanking force is significantly increased by a size effect, and the dies are badly worn and have short service lives. The device comprises a female die fixing plate, a lower bolster and a lower die plate that are sequentially connected from the top down, wherein an upper die plate and a male die fixing plate are sequentially arranged above the female die fixing plate; a female die is embedded into the middle part of the upper surface of the female die fixing plate; a vibration component and a punch are sequentially mounted in the male die fixing plate from the top down in an inserting manner; a middle line of the punch is coincided with that of the female die; the vibration component is connected with a high-frequency power source; a guide sleeve is mounted on the upper surface of the female die fixing plate in an inserting manner; the upper end of a guide column is mounted in the male die fixing plate in an inserting manner; and the lower end of the guide column is mounted in the guide sleeve in an inserting manner. The device and the method are used for blanking forming of the foil plate.

The invention relates to a method for planting medicago sativa in a salinization wasteland of an arid region. In the method, a low-salt environment for plant seed germination and seedling growth is created by using a mode of pressure drip irrigation, so that successful planting of plant seedlings in the saline-alkali soil is realized; shading protection is provided for the medicago sativa seedlings by planting the medicago sativa and suaeda salsa together and using the characteristic of fast growth of the suaeda salsa; and meanwhile, the salt content of the soil of the medicago sativa root zone is reduced by using high biomass and in vivo salt gathering characteristic of the suaeda salsa. By the method, the inhibition of the saline-alkali soil environment on medicago sativa seed germination and seedling growth is overcome, a condition for later normal growth of the medicago sativa is created, and a technical support is provided for production of high-quality pasture in Xinjiang and development of the animal husbandry.

The invention relates to a gradient stress plasticity modification method which specially aims at damage control and fine structure regulation of high-entropy alloy material characteristics. The purpose of the method is to solve the problems that a high-entropy alloy casting state structure is mainly composed of bulky pine-tree crystals, and the comprehensive mechanical property of the high-entropy alloy casting state structure is poor. A preparation method mainly comprises the steps that a high-entropy alloy ingot is prepared; homogenization heat treatment, analogue simulation and canned forging are conducted; and a high-entropy alloy ingot blank is obtained. When the high-entropy alloy ingot is processed, preset variable cross-section canning is mainly adopted, the stress state of the interior of a high-entropy alloy material in the process is effectively controlled, and the gradient three-way compressive stress combined with deformation characteristics is formed. By means of the gradient stress plasticity modification method, initiation and propagation of microcracks induced by lattice distortion can be effectively inhibited finally, crystalline grains are refined, the comprehensive mechanical property is improved, and effective modification of the high-entropy alloy is achieved.

The invention relates to a citronella essential oil sprout inhibitor and application thereof to potato preservation, and discloses the citronella essential oil serving as a novel sprout inhibitor and the application thereof to the suppression of sprouting during potato preservation. The citronella essential oil is applied to the potato preservation environment by methods such as fumigating, spraying and the like, wherein the concentration of the essential oil is controlled to be in a range from 0.01 to 0.1mL/L through direct fumigating during fumigation; and spraying or dipping is adopted during liquid processing so as to control the concentration to be 0.1 to 1 percent. By using the citronella essential oil originated from a natural plant as an active ingredient, the sprouting during the potato preservation can be effectively suppressed, chemical substances are reduced or avoided, and the sprout inhibitor has the advantages of good sprout inhibition effect and environmental friendliness.

The invention relates to a biological disease-preventing organic fertilizer and a preparation method thereof. The components in part by mass of raw materials of the fertilizer are: 65 to 85 parts of decomposed organic substances, 5 to 15 parts of trichoderma bacterial agents, 5 to 15 parts of actinomycetes fermentation broth, wherein the decomposed organic substances are obtained by taking 45 to 65 parts of furfural residue, 20 to 35 parts of cigarette residue and 8 to 20 parts of weathered coal as raw materials, adding 1 to 2 parts of microbial fermentation bacterial agents for stacking fermentation and airing the obtained product till the moisture content is between 25 and 35 percent. The biological disease-preventing organic fertilizer has the advantages of good disease-preventing effect, safety, environment-protecting property and low cost.

The invention discloses novel technology for squeezing oil from fresh rubber seeds. The technology is characterized in that the fresh rubber seeds are not required to be stacked on a stock dump for a long time but directly crushed, dried, cooked, hardened, tempered and squeezed. The time from incoming of raw materials to obtaining of squeezed rubber seed oil and squeezed rubber seed oil cakes can be shortened to be within 3 hours. The technology can avoid the phenomena of heat generation, germination and mould development caused by the fact that the rubber seed raw materials are stacked on the stock dump for a long time in the prior art, can greatly improve the quality of the obtained rubber seed oil and the obtained rubber seed oil cakes, and can also improve the oil yield and the cake yield.

The invention discloses a high-and-stable yield Jizui litchi cultivation method and belongs to the technical field of litchi cultivation. The high-and-stable yield Jizui litchi cultivation method includes the steps of cultivating fruiting canes, controlling growth of tree tips and promoting growth of flowers, holding flowers and fruits and preventing diseases and insect pests. Particularly, the steps includes composting fish scale, fish heads, shrimp heads, crab shells and egg shells to form manure, applying basic fertilizer, flower promoting fertilizer and swelling fertilizer reasonably, prolonging the sunshine duration during tip cultivation in autumn, shortening the sunshine duration during tip growth control in winter, smearing aloe gel on portions of branches which are subjected to spiral girdling and covering the portions with plastic films, and in different periods, performing different foliage topdressings and spraying different pesticides to prevent plant diseases and insect pests. The high-and-stable yield Jizui litchi cultivation method has simple steps, is convenient to operate, guarantees numbers of the fruiting canes the next year, keeps the Jizui litchi strong in growth and achieves big fruits with high quality and high and stable yield, and accordingly increases economic benefit.

The invention relates to a device and a method for micro-deep drawing forming of foil boards, in particular to a method and a device for high-frequency vibration assisted micro-deep drawing forming of foil boards and aims to solve the problem that low-strength foil boards are difficult to form small-diameter cylinder pieces by means of deep drawing. An upper die base, an upper die component, a lower die component and a lower die base of the device are sequentially arranged from top to bottom, the upper end of the upper die component is connected with the lower surface of the upper die base, the lower end of the lower die component is connected with the upper surface of the lower die seat, a magnetic extendable micro-actuator and a male die are arranged in the upper die component sequentially from top to bottom, the magnetic extendable micro-actuator is connected with a high-frequency power supply, a power output end of the magnetic extendable micro-actuator is connected with the upper end of the male die, a back pressure spring and a back pressure ejector rod are arranged in a cavity of the male die sequentially from top to bottom, a deep drawing punch is inserted on the upper surface of the lower die component, and a belleville spring is sleeved on the outer side wall of the upper end of the male die. The device and the method are used for micro-deep drawing forming of the foil boards.

A double shoot seed and fertilizer placement unit has a leading shank that cuts a fertilizer trench in the soil, a seed shovel immediately behind but above the lower extremity of the shank to cut one or more seed shelves in the soil above and outboard of the fertilizer trench, a boot behind the shovel that places seeds on the shelf and then drops fertilizer into the fertilizer trench between and below the seeds, and a fertilizer guide member that rides in the fertilizer trench below the fertilizer outlet to maintain the integrity of the trench in preparation for the fertilizer and helps guide the fertilizer down to the bottom of the trench as it emanates from the boot.

The invention discloses a soil adjuster to prevent Cruciferae crop from clubroot, which comprises the following parts: 10-50% organics, 10-60% calcium magnesium phosphate fertilizer, 15-80% carbonate, 0. 8-5% potassium, 0. 8-5% magnesium, 0. 8-5% zinc, 0. 8-5% boron, wherein the wild or cultivated organics adopts Tagetes plant as raw material; the wild plant can be harvested during blossom period, which is dried and grinded into powder. The invention can avoid the clubroot to 80-95%, which is economic, safe, high-effective and convenient.

The invention discloses a wettable powder of high sporopollen of trichoderma and a preparation method thereof. The wettable powder comprises the following materials with mass percentages of: 5 to 6 percent of high sporopollen of trichoderma, 1 to 2 percent of fenaminosulf, 85 to 90 percent of diatomite and bentonite, 2 to 3 percent of sodium lignosulphonate, 0.5 to 1.0 percent of active carbon, 0.1 to 0.5 percent of citric acid and 1 to 2 percent of sodium carboxymethyl cellulose, wherein the classified name of the biocontrol strain adopted by the high sporopollen of trichoderma is TV-1 (trichoderna viride) and the preserving number is CGMCC No.2848. All the materials are mixed evenly, pre-crushed, then crushed by air flow, and sieved by a standard sieve with the meshes of 325; and by quality inspection, the qualified wettable powder of high sporopollen of trichoderma meets the following conditions that the content of the trichodrema spore is more than 0.5 billion/g, active spore rate is more than 80 percent, wettability is less than two minutes, suspension percentage is more than 70 percent, fineness (sieved by the standard sieve with the meshes of 325) is more than 99 percent, the water content is less than 2 percent, pH is 5 to 6 and the like.

The invention relates to a laser-impact strengthening treatment method for a steel welded joint of an X70 pipeline, wherein an energy absorption layer and a restraint layer are arranged on the surface of the steel welded joint of the X70 pipeline in sequence. The laser-impact strengthening treatment method is characterized in that during laser-impact strengthening treatment, the laser pulse width is 22ns-23ns, the wavelength is 1.054mu m, the amplification spontaneous radiation pulse width is 1mu s, a focusing system with the focal length of 2m for outputting laser is used for focusing, the focusing spot diameter is 5mm-8mm, the laser pulse power is about 2.0*109W, and the spot overlapping area on the surface of the welded joint is greater than 60%. After laser-impact strengthening, the surface of the steel joint of the pipeline generates plastic deformation, grain refinement and residual compressive stress, thus effectively improving the H2S stress corrosion resistance and hydrogen induced cracking resistance of the steel welded joint of the pipeline.

The invention discloses a composite powder composition for a ceramic coating and a ceramic coating, and a preparation method thereof. The composite powder composition comprises an yttria stable zirconia powder and graphene nanosheets. The ceramic coating, which is obtained by spraying the composite powder composition on a metal substrate, has obviously higher wear resistance than the pure-phase yttria stable zirconia coating, can obviously reduce abrasive dust generated by friction under high-load conditions, and obviously lowers the friction factor and average abrasion rate. The invention provides a feasible solution for enhancing wear resistance of the ceramic coating. Besides, the method has the advantages of high efficiency, favorable repeatability and the like, and is simple to operate and suitable for large-scale production.

The invention relates to a bolted steel angle-based steel bridge out-of-plane distortion fatigue reinforcement structure, and belongs to the technical field of bridge engineering. Web gaps among a steel plate girder web, a stiffening rib and a flange plate are reinforced by a steel angle. One limb of the steel angle is connected with the stiffening rib by high-strength bolts, while the other limb is connected with the flange plate by the high-strength bolts or screws; the structure can effectively improve the mechanical property of the web gaps and inhibit the initiation and propagation of out-of-plane distortion fatigue cracks, and the structure has the characteristics of being convenient in construction, simple in operation, low in cost and excellent in performance; in addition, in the connecting way of combining the steel angle with the screws, the structure not only can be reinforced without removing a concrete bridge deck or blocking traffic, but also can improve the safety and durability of the connection, prevent the steel angle from accidentally falling, and avoid accidents.