22results about How to "Increase water content" patented technology

The invention relates to the technical field of agricultural micro-ecological application, and discloses a method for improving the growth and drought resistance of oats by using arbuscular mycorrhizal fungi, the arbuscular mycorrhizal fungi having a close symbiotic relationship with the oats are selectively utilized, and the symbiotic relationship between the arbuscular mycorrhizal fungi and the oats is established in a condition control mode. Oat growth is promoted, and drought adaptability is improved. The AM fungi used in the method are selected from rhizosporidium intraradices or glomus mosseae, corn or trifolium repens is taken as a host, the two AM fungi are propagated in a propagation medium respectively, then two arbuscular mycorrhizal fungi inoculants and oat are co-cultured in a symbiotic culture medium respectively, and the two arbuscular mycorrhizal fungi inoculants and oat are co-cultured in a symbiotic culture medium respectively. An effective way for improving beneficial symbiosis of AM fungi and hosts under adverse conditions is provided, the infection symbiosis relation of the AM fungi to host plants is improved manually, and the yield of dry land oats is increased.

The invention relates to the technical field of ratooning rice planting, and particularly discloses a ratooning rice high-yield harvester and a planting method thereof.The method comprises the steps that the two ends of a rice field are filled with soil to form bed surface heightening areas; rice seedling planting is conducted through the modified wide-narrow row rice transplanter, and rice seedlings are transplanted in the mode that seven rows are planted at the same time; drying the field before the first season rice is harvested until the soil water content of the middle bed surface of the rice field is reduced to 40-45% and the soil water content of the bed surface heightening area is reduced to 25-30%, and then starting machine harvesting; a ratooning rice high-yield harvester is adopted for machine harvesting, the telescopic crawler belt keeps the maximum grounding length during straight running, and the telescopic crawler belt retracts to the minimum grounding length when the machine turns around in a bed surface heightening area; according to the planting method, on the premise that excessive field drying and machine tool sinking are avoided, the rolling area of the crawler belt on rice stubbles in the machine tool turning-around process is minimum, and the yield of ratooning rice is increased.

The invention discloses a preparation method and application of beta-aminobutyric acid for improving saline-alkaline tolerance of crops, and relates to the technical field of biochemistry. The invention provides a preparation method of beta-aminobutyric acid, which comprises the following steps: synthesizing a desoxyribonucleic acid sequence SEQ ID NO: 2 for coding transaminase according to an amino acid sequence shown in SEQ ID NO: 1, connecting the sequence shown in SEQ ID NO: 2 with a vector by using ligase, constructing a recombinant vector, introducing the recombinant vector into host bacteria to obtain recombinant bacteria, culturing, adding an inducer, and carrying out freeze-drying to obtain beta-aminobutyric acid. And collecting thalli to obtain the transaminase. The prepared beta-aminobutyric acid can improve the saline-alkali resistance of crops, increase the relative water content in saline-alkali stress plants, improve the lipid peroxidation capacity of the plants and effectively relieve the influence of saline-alkali stress on plant growth.

The invention discloses a new strain of melanospora sp. And application thereof, the new strain of melanospora sp. Is preserved in China General Microbiological Culture Collection Center on September 26, 2024, the preservation number is CGMCC No.41569, the melanospora sp. Is a microbial inoculum of a W18 strain, the preservation number is CGMCC No.41569, and the preservation number is CGMCC No.41569. The melanospora sp. Is applied to preparation of a plant growth promoter. The application of the melanospora sp. To plants comprises the following steps: 1, preparing a plant growth promoter; the method comprises the following steps: S1, preparing a spore suspension: inoculating a PDA culture medium with a strain, culturing until spores are completely produced, scraping the spores, and preparing the spore suspension by using a conditioning solution; s2, seedling raising: soaking plant seeds in sterile deionized water for one day in advance, and then soaking the plant seeds in sterile water at 50-70 DEG C for 1.5-3 hours; s3, seedling transplanting. According to the application, the relative water content, the chlorophyll content and the auxin content of plant seedling leaves can be remarkably improved, the plant growth promoting effect is achieved, and the plant is excellent in character and has wide application value in agriculture.

The invention relates to the technical field of engines, in particular to a test method and system for evaluating the demulsification performance of methanol engine lubricating oil, and the method comprises the following steps: selecting a methanol engine of a target model as a test engine, transforming an oil pan, and filling test lubricating oil to be tested into the methanol engine after transformation, the method comprises the following steps: establishing a demulsibility test cycle working condition of to-be-tested lubricating oil, testing a methanol engine by using the demulsibility test cycle working condition, collecting lubricating oil samples in an oil pan before and after the methanol engine is tested, and determining the demulsibility of the to-be-tested lubricating oil according to analysis results of the oil samples before and after the test. Therefore, the problem that a bench test evaluation method for the demulsification performance of the methanol engine lubricating oil is lacked is solved, and the method has the advantages of high evaluation repeatability, short period, low cost and the like.

The invention discloses a foliar fertilizer for improving the drought resistance of peach trees. The foliar fertilizer for improving the drought resistance of peach trees provided by the invention consists of lecithin, lauric acid and sodium silicate. By using the foliar fertilizer, the damage of drought to leaf tissue can be significantly reduced, the relative electrical conductivity of the leaves can be significantly reduced, the relative water content and photosynthetic rate of peach leaves under drought conditions can be increased, the ability of peaches to resist drought stress can be increased, the growth of plants can be promoted, the yield and quality of peaches can be improved, and the fertilizer has the advantages of quick effect, simple use and easy acceptance by the public.

The invention belongs to the technical field of cosmetics, and discloses a firming and anti-wrinkle composition as well as a preparation method and application thereof. The composition comprises the following components: kluyveromyces lactis / ganoderma sinensis fermentation product filtrate, sodium mannose phosphate and oligopeptide. Through the synergistic interaction of the kluyveromyces lactis / ganoderma sinensis fermentation product filtrate, the sodium mannose phosphate and the oligopeptide, the composition plays an inhibiting role in various aspects of skin laxity and aging from three key paths of enhancing cell viability, promoting tissue renewal and healing and promoting collagen generation; the aims of comprehensively and efficiently tightening and resisting wrinkles are fulfilled.

The application provides a preparation method of a sodium-rich and low-water-content Prussian blue positive electrode material, which comprises the following steps: dissolving sodium ferrocyanide or a hydrate thereof and a complexing agent in deoxygenated water under an inert gas atmosphere and at a certain temperature to obtain a mixed solution A; dissolving a transition metal salt or a hydrate thereof, a sodium supplementing agent, a complexing agent and an auxiliary complexing agent in deoxygenated water under an inert gas atmosphere and at a certain temperature to obtain a mixed solution B; continuously stirring solution A and solution B by dropwise adding them into a container with a positive pressure inert gas atmosphere and at a certain temperature, continuing to stir for a period of time after the dropwise adding is completed, and then standing, centrifuging and vacuum drying to obtain the Prussian blue positive electrode material. The Prussian blue positive electrode material comprises a mixed phase structure of rhombic phases and cubic phases, has the characteristics of high sodium content and low water content. The battery assembled by using the positive electrode material obtained by the method has a theoretical specific capacity close to the theoretical specific capacity under a small current density and still has a high specific capacity under a large current density.

The present application relates to a kind of high ductility silicon hydrogel, which is prepared by polymerization reaction of polymerizable composition containing thiol with functionality greater than or equal to 3, and the elongation of the high ductility silicon hydrogel is 285%-439%.The present application also relates to a kind of high ductility contact lens and its preparation method.By adding thiol with functionality greater than or equal to 3 as crosslinking agent in the formula of silicon hydrogel, the formed silicon hydrogel polymer network is more regular, more full and more stretchy, so that the prepared contact lens has good ductility, and the contact lens has high water content and low modulus.In addition, compared with the contact lens formed without adding thiol with functionality greater than or equal to 3, the size change of the contact lens formed after adding thiol with functionality greater than or equal to 3 is less than 5%.

The invention discloses a multi-vitamin fermentation essence which is prepared from the following components in percentage by mass: 0.1%-30% of polyglutamic acid, 0.01%-15.6% of fructan LEVAN, 0.2 ppm to 94 ppm of vitamin K2 and 0.02 ppm to 32 ppm of folic acid, and the molecular weight of the polyglutamic acid is 400D to 3,000,000 D. The invention further discloses a preparation method of the multi-vitamin fermentation essence. The invention further provides a preparation method of the multi-dimensional fermentation essence. The preparation method comprises the following steps: preparing bacillus subtilis fermentation liquor; adjusting the pH value of the bacillus subtilis fermentation liquor to 3.9 to 4.5 by using acid; adding diatomite, standing and settling, and removing the precipitate; the obtained supernate is filtered through a membrane, protein and salt are removed, washing and decolorizing are conducted, and the multi-dimensional fermentation essence is obtained. The invention further discloses a cosmetic which contains the multi-dimensional fermented essence or the multi-dimensional fermented essence powder.

The invention relates to a nanoemulsion water-based insecticidal aerosol and a preparation method thereof. The nano-emulsion water-based insecticidal aerosol comprises a nano-emulsion and a propellant, a continuous phase of the nano-emulsion is water, and the nano-emulsion water-based insecticidal aerosol further comprises the following components in percentage by mass in the nano-emulsion water-based insecticidal aerosol: 0.1%-2% of an insecticidal effective component and 0.01%-2% of a nonionic surfactant, the nonionic surfactant is prepared from one or more of a styrene acrylic acid polyether ester copolymer, polyoxyethylene alcohol ether, modified polycarboxylate, isomeric alcohol ether, sorbitan isostearate, sorbitan monooleate, laurel sorbitan, cetearyl alcohol polyether and stearic alcohol polyether. The nano emulsion water-based insecticidal aerosol does not need to adopt a cosolvent, and the nano microemulsion has good stability and good insecticidal effect in the storage and spraying process.

This utility model discloses a building air conditioning panel drainage component, belonging to the technical field of air conditioning panels. It is installed on the exterior wall of a building, with the air conditioning panel inclined on the outer side of the exterior wall. A first drainage component is installed on the side of the air conditioning panel with the lowest slope, and a second drainage component is installed inside the exterior wall. The top of the first drainage component has a first water inlet connected to the top of the air conditioning panel. A second water inlet is installed on one side of the second drainage component, and one end of the first drainage component is connected to the second water inlet. Through the combination of the first and second drainage components, the condensate from the air conditioning panels is drained to the ground.

This invention discloses the WRKY transcription factor gene StWRKY60 and its applications, belonging to the field of biotechnology. The nucleotide sequence of the STWRKY60 gene is shown in SEQ ID NO.1, and the amino acid sequence of the protein it encodes is shown in SEQ ID NO.2. The StWRKY60 gene provided by this invention can not only be used to improve the drought resistance of potato varieties, but also, through genetic engineering technology, be applied to drought-resistant breeding of other crops (such as tomatoes, tobacco, and rice), providing important genetic resources and effective technical means for addressing global drought and ensuring food security.

The utility model provides an agricultural seedling transplanting device. The agricultural seedling transplanting device comprises an excavating mechanism, a suspended supporting plate, a main body column, a tightening mechanism and a humidifying mechanism, the two suspended supporting plates are installed on the excavating mechanism in a mirror image mode, the main body column is installed on the two suspended supporting plates, the tightening mechanism is installed on the excavating mechanism and the main body column, and the humidifying mechanism is installed on the main body column. According to the agricultural seedling transplanting device, seedlings can be rapidly dug out, seedling transplanting work is more convenient and faster, it can be guaranteed that soil blocks for protecting the seedlings cannot be scattered in long-distance transportation, meanwhile, it can be guaranteed that the soil blocks for protecting the seedlings are kept wet in the transportation process, and therefore the phenomenon that the seedlings wither and even die is greatly reduced.

The invention relates to the technical field of non-woven fabrics, in particular to a superfine bio-based hydrolysis-resistant wiping non-woven fabric and a preparation method thereof.The non-woven fabric at least comprises a composite layer, the composite layer comprises a bio-based hydrolysis-resistant layer, fluff pulp fibers are embedded in the bio-based hydrolysis-resistant layer, and the fluff pulp fibers are made of polyester fibers. And the fluff pulp fibers are self-adhered to the bio-based hydrolysis-resistant layer. According to the superfine bio-based hydrolysis-resistant non-woven fabric for wiping, the fluff pulp fibers are embedded into the bio-based hydrolysis-resistant layer, and the fluff pulp and the bio-based hydrolysis-resistant layer are self-bonded, so that the fibers and particles do not fall off. In addition, due to the design of the mixed fluff pulp, the material can absorb water and contain water due to a track-and-track pore structure, and the water absorption property and the water-containing property of the material are improved.

The utility model provides a radio frequency medical beauty instrument, comprising a radio frequency instrument housing which is provided with a mounting groove along the axial direction of the radio frequency instrument housing; the conveying pipe comprises an output end, a conveying end and a connecting end which are connected in sequence, the connecting end penetrates through the radio frequency instrument shell, and the output end and the conveying end are clamped in the mounting groove; wherein the output end has a straight state and a bent state, when the output end is in the straight state, the output end is contained in the mounting groove, and when the output end is in the bent state, the output end protrudes out of the mounting groove and forms an included angle with the mounting groove. The connecting end in the conveying pipe can be connected with an aerial fog chamber of an external humidifier, so that water mist in the aerial fog chamber enters the conveying end through the connecting end and is finally discharged through the output end, the water content of gas around a radio frequency beautifying part is increased, water supplementing is indirectly achieved while radio frequency beautifying is conducted, and the water supplementing efficiency is improved. And moreover, the water is supplemented during the beauty treatment, so that the time is also saved.

The present application relates to an intestinal motility improving composition comprising a Tenebrio spp. larvae extract as an active ingredient.

The utility model discloses a bubbling system of a glass melting furnace. The bubbling system comprises a nitrogen supply device, a tetrabutyl titanate supply device, a tetraethoxysilane supply device, a mixed gas supply device, a bubbling device and pipelines for connecting the bubbling device, after the nitrogen supply device, the tetrabutyl titanate supply device and the tetraethoxysilane supply device are mutually connected in parallel, outlets of the nitrogen supply device, the tetrabutyl titanate supply device and the tetraethoxysilane supply device are communicated with an inlet of the mixed gas supply device, an outlet of the mixed gas supply device is communicated with the bubbling device, the bubbling device is arranged at the pool bottom of the glass melting furnace, and a gas outlet of the bubbling device faces the glass liquid level.

The invention discloses air conditioning equipment, and relates to the technical field of air conditioning, the air conditioning equipment comprises a box body, a ventilating mechanism, a purifying mechanism, a cleaning mechanism, a collecting mechanism, a humidifying mechanism and an adjusting mechanism, the ventilating mechanism is arranged in the box body, the ventilating mechanism is used for introducing air into the box body and discharging the air, and the purifying mechanism is arranged in the box body; the cleaning mechanism is arranged in the box body, the collecting mechanism is arranged below the cleaning mechanism, the humidifying mechanism is arranged above the purifying mechanism, the humidifying mechanism is used for increasing the content of water in air exhausted from the box body, and the adjusting mechanism is used for changing the use state of the equipment. Whether the humidifying mechanism is used or not is adjusted through the adjusting mechanism, so that air purification and air humidification can be integrated in the box body, the two functions can be selected and used more conveniently, meanwhile, through cooperation of the cleaning mechanism and the collecting mechanism, the filter element block can be cleaned without disassembly, and work is simpler and more convenient.

The invention provides a drought-resistant growth-promoting plant endophytic bacillus strain, which is named as Bacillus sp.AB513 and preserved in the China Center for Type Culture Collection, the preservation number is CCTCC NO: M20242072, the preservation date is September 25, 2024, and the nucleotide sequence of 16S rRNA (Ribosomal Ribonucleic Acid) is as shown in SEQ ID NO.1. The drought-resistant growth-promoting plant endophytic bacillus strain has the advantages that the drought-resistant growth-promoting plant endophytic bacillus strain can be applied to drought-resistant growth-promoting plants; the invention further provides application of the strain. The strain is used for promoting plant growth under drought conditions. The strain provided by the invention can promote germination of alfalfa under drought conditions, increase root length and bud length of alfalfa seedlings, increase fresh weight and dry weight of the alfalfa seedlings under drought conditions, increase chlorophyll content of alfalfa cotyledons and increase soluble protein content of the alfalfa cotyledons.

The present invention relates to MR-proADM as a marker of the extracellular volume status of a subject. In particular, the present invention relates to a method for determining an extracellular volume status of a subject. The method comprises determining, in a sample obtained from a subject, the level of a marker, i.e., proadrenomedullin (proADM), or a fragment thereof, preferably MR-proADM. Furthermore, the present invention relates to a method for in vitro diagnosis, risk stratification, therapy control and / or surgical control of a condition or medical condition in a subject wherein the extracellular volume status and salt retention in the subject are determined by the methods provided herein. Furthermore, the present invention relates to a kit and / or diagnostic device for performing the method provided herein.

The invention relates to the technical field of dumping sites, and provides an improvement method for a flat plate of a strip mine dumping site in an arid region. According to the improvement method, for each transformed flat plate group, through coordination and cooperation of a retaining wall arranged at the top of a flat plate step, a ridge-like terrain laid between the retaining wall and a slope surface, a water collecting pool arranged at the junction of the flat plate step and the slope surface and a water storage layer between the two flat plate steps, the water containing capacity of a flat plate rock stratum of the waste dump is improved, and meanwhile the water storage capacity of the flat plate rock stratum of the waste dump is improved. The influence of wind and sand on plants on the flat plate of the dump and surface water evaporation is reduced, water storage and salt reversion and regular irrigation are achieved, the problem of water resource shortage is solved, it is guaranteed that sufficient water can be continuously obtained in the plant growth and development period, and the survival rate and growth rate of plants in the arid region are increased.