75results about How to "The results are reproducible" patented technology

The present invention relates to a preparation method of carbon quantum dots with adjustable fluorescence colors, and belongs to the technical field of nanometer materials. According to method, citric acid or a citrate is adopted as a carbon source, a nitrogen-containing compound is adopted as a nitridation agent, hydrogen peroxide is adopted as an oxidant, a hydrothermal synthesis method is adopted to obtain an aqueous solution of carbon quantum dots emitting blue or green fluorescence under ultraviolet light excitation, reaction conditions are easily controlled, and the method is suitable for scale production. The prepared carbon quantum dots have advantages of adjustable fluorescence color, high yield, high quantum efficiency, good result reproducibility and the like, wherein the product can be directly used for tumor cell labeling and live cell imaging labeling. According to the present invention, only the one reactant is required, the raw materials are easily-available and non-toxic, the production process does not require special protection, the reaction condition is easily controlled, and the obtained carbon quantum dots have advantages of high yield, high quantum efficiency, good result reproducibility and the like; and the method has characteristics of high yield, simple preparation process, low cost, easy scale production and the like.

The invention relates to a method for preparing a lithium silicate coated lithium ion battery ternary layered anode material and belongs to the technical field of inorganic materials. According to the method disclosed by the invention, the lithium silicate coated lithium ion battery ternary layered anode material is prepared by virtue of simple coprecipitation, hydrothermal and high-temperature solid-phase sintering reaction. The method disclosed by the invention is simple in synthetic process, high in production efficiency and suitable for large-scale production. Moreover, according to the method disclosed by the invention, raw materials needed by the reactants are readily available, non-toxic and low in cost, special protection is not needed in the production process, the reaction conditions are easily controlled, and the obtained product has the advantages of high yield, high result repeatability and the like. Compared with uncoated materials, the lithium silicate coated lithium ion battery ternary layered anode material prepared by the method disclosed by the invention has the advantages that the specific capacity, cycling stability, rate and other electrochemical performances of the battery are greatly improved.

The invention relates to a preparation method of a lithium zirconate-coated ternary layered cathode material of a lithium ion battery, and belongs to the technical field of new energy sources. Coating is realized by a hydrothermal method or a room-temperature stirring method; and the method specifically comprises the following three steps: preparation of an oxalate precursor, preparation of a ZrO2-coated oxalate precursor and preparation of a lithium zirconate-coated ternary layered cathode material. According to the method, the bonding strength between a coating layer Li2ZrO3 or Li4ZrO4 and a ternary cathode material of a main phase can be improved; the coating layer is uniform in thickness; and the rate capability and the cycling stability of the lithium ion battery, especially the rate capability are significantly improved. The method provided by the invention is simple in synthetic process, high in production efficiency and suitable for large-scale production, and has the advantages that the materials required by a reactant are available, nontoxic and low in cost; special protection is not needed in the production process; the reaction condition is easy to control; and the obtained product has the advantages of high yield, good result repeatability and the like.

The invention discloses an aeolotropic magnetic high polymer composite film material and a preparation method of the material and belongs to the technical field of magnetic high polymer composites. The composite film material comprises an FeCo magnetic nano particle and a polymer matrix. The method comprises the steps of: 1) adding the FeCo cubic magnetic nanoparticle into a high molecular polymerfor uniform stirring to form a mixture, and 2) spin-coating a glass sheet or a silicon sheet with the obtained mixture to form a film, putting the prepared film in a magnetic field for magnetic particle self-assembly, and performing curing at a certain temperature to form the aeolotropic magnetic high polymer composite film. A technology is simple; film thickness is easy to control; and the material contains an aeolotropic self-assembly nano rope, is good in directionality, high in production efficiency, good in mechanical property and has a potential application in the high and new technicalfield of flexible magnetic devices and the like.

The invention relates to a traditional Chinese medicinal composition for treating cervix diseases. The traditional Chinese medicinal composition comprises the following components in part by weight: 35 to 45 parts of bark of tree of heaven, 25 to 35 parts of lightyellow sophora root, 25 to 35 parts of tree peony bark, 25 to 35 parts of olibanum and 0.8 to 1.2 parts of borneol, wherein the lightyellow sophora root has the same weight as the tree peony bark and the olibanum. The invention also provides a method for detecting the traditional Chinese medicinal composition and a method for preparing a gelling agent of the traditional Chinese medicinal composition. In the traditional Chinese medicinal composition, on a basis of ensuring that the lightyellow sophora root has the same content as the tree peony bark and the olibanum, the content of bark of tree of heaven and the content of borneol are adjusted, so that the traditional Chinese medicinal composition fully utilizes the effects ofvarious raw materials to achieve the effects of clearing away heat, eliminating dampness, removing blood stasis and promoting regeneration of the tissue and has more exact efficacy. In the method forpreparing the gelling agent of the traditional Chinese medicinal composition, all components are extracted respectively to prepare the gelling agent, so that the method is simple and suitable for industrial production, has high extraction rate of drug effect ingredients and low cost. In addition, the invention also provides the method for detecting the traditional Chinese medicinal composition, which can effectively identify components and content of the traditional Chinese medicinal composition and has little disturbance and high result repeatability.

The invention relates to a device and method for testing the dynamic sound tightness of a closure member of a whole vehicle, and the device consists of an air leakage testing system and a supersonic detection system. The air leakage testing system comprises a fan, an air supply flexible pipe, a connecting plate, a silicone tube, and a micromanometer, wherein the fan, the air supply flexible pipe, the connecting plate, the silicone tube and the micromanometer are connected sequentially. The supersonic detection system comprises a supersonic signal generator, a supersonic detector, and a flexible detector. After the air leakage testing system is connected with a to-be-tested vehicle, the air leakage testing system supplies air to the vehicle quantitatively and enables the pressure on the surface of the closure member to reach a specified value. At this moment, a sealing strip of the closure member of the whole vehicle is in a dynamic sealing state, and then the supersonic detection system detects the supersonic leakage of the closure member of the whole vehicle and evaluates the dynamic sealing effect. The device is easy to implement, is low in cost, is simple in test conditions, and is good in result repeatability.

The invention relates to a human chromosome P16 gene detection kit. Particularly, the detection kit comprises a probe used for detecting a P16 gene and a hybridization buffer. The human chromosome P16 gene detection kit can be used for accurately and quickly detecting the abnormity of the human chromosome P16 gene.

The invention discloses a prevention and control method for field thrips and Tospovirus diseases. The method comprises the steps of carrying out field selection, carrying out pretreatment, carrying out transplanted disease control, carrying out disease control at the preliminary stage of flourishing growth, and carrying out harvesting. According to the method, the virus propagation thrips and the Tospovirus diseases propagated by the thrips can be effectively controlled, and the comprehensive control efficiency can reach 76.3% to 84.3%. According to the method, the prevention and control steps are simple, the design is reasonable, efficient and safe, the implementation performance is high, the prevention and control efficiency is high, the result repeatability is good, the yield per unit of crops and the income of farmers can be increased under the condition of not increasing prevention and control cost, the technical applicable range is wide, and the economic and ecological benefits are remarkable.

The invention provides a method for efficiently and comprehensively preventing and controlling sesame diseases. The method comprises the following steps: (1) selecting a disease-resistant variety; (2) selecting a high-quality farmland; (3) seeding in good time, performing rational close planting and performing crop rotation; (4) performing seed coating treatment; (5) preventing and controlling diseases in a seedling stage; (6) preventing and controlling diseases in a flowering stage; (7) harvesting in good time. The method can be used for effectively preventing and treating main diseases such as wilt of sesame, stem wilt and leaf wilt, the comprehensive prevention and control effect can be up to 77.37%-89.5%, and the yield is improved to 85.9-93.6%. The method is simple in comprehensive prevention and control step, reasonable in design, efficient and safe, high in practicability, high in prevention and control efficiency, good in result repetitiveness and low in cost, and can be used for increasing the sesame unit production and increasing incomes of farmers under the condition of not increasing the prevention and control cost, and is wide in technical application range and obvious in economic benefits and ecological benefits.

The invention relates to a method for preparing a human chromosome 7 enumeration probe and preparation of a human chromosome 7 enumeration kit by using the same. A human chromosome 7 can be accurately and quickly counted by applying the human chromosome 7 enumeration probe and the corresponding kit.

The invention discloses a carrier TiO2 and a preparation method as well as application thereof, an Au10 cluster supported catalyst, and a preparation method as well as application thereof. The carrier TiO2 is shaped like a sphere, wherein the surface of the sphere consists of multiple columnar structures. The preparation method of the carrier TiO2 comprises the following steps: adding Ti powder into hydrochloric acid, heating in a sectionalized way, centrifuging, washing and drying, thus obtaining the carrier TiO2, which is used for preparing the Au10 cluster supported catalyst. The Au10 cluster supported catalyst is prepared from an active component Au10 cluster and the carrier TiO2, wherein the mass ratio of Au to the carrier TiO2 is 0.005-0.02. The characteristics of high activity and high selectivity are achieved; the stable Au10 cluster supported catalyst can be obtained by adjusting an evaporating temperature after dipping, and the catalyst shows higher activity in catalyzing styrene oxidation; the preparation method of the carrier TiO2 is simple and easy to operate, stable in product and good in result repeatability, and has a good application prospect.