88results about How to "Important application value" patented technology

The invention discloses a micro-nanometer structure TiO2 coating with high hardness and high adhesion force and a preparation method thereof. The thickness of the TiO2 coating is 10mum to 100mum, the crystal phase compositions of TiO2 in the coating are anatase phase and rutile phase, and in addition, the anatase TiO2 accounts for 3 percent to 35 percent of the mass percent of the TiO2 coating. The liquid phase hot spraying coating method and the traditional hot spraying coating method are adopted and are combined, TiO2 liquid materials and powder are simultaneously sent into hot spraying coating flame, compared with the TiO2 coating obtained by the liquid phase hot spraying coating method, the prepared TiO2 coating has the advantages that the microhardness is improved by nearly 10 times,the adhesion force is improved nearly 3 times, the photocatalysis function of the TiO2 coating is favorably realized, important application values are realized, and the micro-nanometer structure TiO2coating is hopeful to generate huge social and economic benefits.

The invention discloses a closed-loop control system for treating landfill leachate in cooperation with partial nitrosation and denitrification and a denitrifying and decarburizing method for treating the landfill leachate. A programmable logic controller in the system is connected with a water inlet pump, a water outlet valve, a mud valve, a stirrer, a fan, a water inlet/outlet and an alarm floating ball switch, a sensor automatically controls the process of a reactor such as water charging, stirring, aerating, depositing, mud discharging, and water discharging, and the system is provided with a constant temperature system to control the reaction temperature. The denitrifying and decarburizing method comprises the following steps of: firstly stirring in an anaerobic way to denitrify partial nitrite nitrogen and nitrate in the reactor after the water charging, and aerating to degrade the residual organic matter and carry out partial nitrosation, so that the most degradable organic matters can be removed, and about 53% of ammonia nitrogen can be converted into nitrite nitrogen, therefore, a condition can be created for the anaerobic ammonia oxidation treatment. The system can carry out the stable denitrification treatment and the partial nitrosation treatment on the landfill leachate, can further effectively remove the organic mattes, and is high in mud settleability, high in activity, full-automatic in control, convenient and reliable.

The invention discloses a flexible pressure sensing piece, a sensor and a manufacturing method of the flexible pressure sensing piece. A low-cost semiconductor processing technology is applied to manufacturing technologies of the high-flexibility piezoresistive type flexible pressure sensing piece and the sensor, a groove is manufactured in a semiconductor rigid substrate to form a tooth-shaped structure of a flexible substrate, a conductive material layer is coated on the surface of the flexible substrate, electrodes are manufactured, and therefore the flexible pressure sensing piece can be manufactured. Through the method, the flexibility of the flexible pressure sensor can be effectively regulated, the size of the device can be customized according to different requirements, and therefore miniaturization of the device can be achieved more easily. In addition, the flexible pressure sensor can be in intelligent connection with other devices quite conveniently, and therefore intelligentization of the device is guaranteed.

The invention discloses a NF-kappa B specifically activated gene expression vector and application thereof. A gene expression technique is implemented by the NF-kappa B specifically activated gene expression vector. The gene expression vector contains two elements, i.e., a regulatory gene-expressed promoter sequence and a promoter downstream effect gene coding sequence, wherein the promoter sequence consist of a section of NF-kappa B response sequence and a minimal promoter sequence. After the gene expression vector is introduced into NF-kappa B overactivated cells, an effect gene on the vector is expressed under the activation of a sequence-specific transcription factor NF-kappa B, and the effect gene generates influence on cell physiology, such as cell growth inhibition, apoptosis and death. The gene expression technique provided by the invention can be used for treating diseases related to NF-kappa B overactivation, such as inflammation and cancers. The gene expression vector constructed by the invention can be used in the preparation of gene therapy reagents and drugs for treating diseases related to NF-kappa B overactivation.

The invention relates to a gene AhRRS5 associated with bacterial wilt resistance of arachis hypogaea.L, a construction method of an over-expression vector of the gene and an application of the gene AhRRS5 or the over-expression vector to tobacco bacterial wilt resistant gene engineering, belonging to the technical field of plant gene engineering. The gene contains nucleotide sequences shown in SEQ ID No.1. The over-expression vector is constructed to transform tobaccos, and over-expression of the over-expression vector in the tobaccos can conduce to obviously improving the resistance of the transgenic tobaccos to bacterial wilt through ralstonia solanacearum inoculation identification and molecular detection of the transgenic plants, thereby indicating that AhRRS5 plays an important regulating role in responses of the plants to ralstonia solanacearum infection, which has important significance in bacterial wilt resistant gene engineering breeding application of the plants and strongly promotes the development and application of the tobacco bacterial wilt resistant gene engineering.

The invention relates to a method and system for measuring a spatial correlation structure of partially coherent light. The method comprises: disturbance is introduced into a to-be-measured light source, porous array structure outputting is carried out and then Fourier transform is carried out, and a light intensity of the light source transmitted to a Fourier plane is recorded; no disturbance is introduced into the to-be-measured light source, porous array structure outputting is carried out and then Fourier transform is carried out, a light intensity of the light source transmitted to a Fourier plane is recorded; inverse Fourier transform and screened array filtering are carried out on the light intensities recorded in disturbance and non-disturbance states, results after filtering are subtracted, and then an obtained result is transmitted to a light source plane in an inverse manner, so that a cross-spectral density function of the light source plane is obtained; and then according to a relationship between a correlation structure function, the cross-spectral density function, and a source field light intensity, a correlation structure of the light source is obtained. Therefore, complete real-part and virtual-part information of the spatial correlation structure of the to-be-measured light source can be obtained simultaneously.

The invention relates to an establishment method for an irrigation test system in a forest root division zone. Seedlings are adopted as root stocks, the parts, more than 10-12 cm away from the ground, of the root stocks are cut off, opposite faces of two adjacent root stocks are obliquely cut to piths, a branch on a seed tree of tree species to be researched is adopted as a scion, the two sides of the scion are obliquely cut and then grafted into the cut surfaces of the two root stocks, and a grafted seedling can have two complete root systems and one shared scion. A root division cultivation device comprising two plastic basins is assembled, nutrient soil or matrixes, of equal quantity, are filled into the two independent plastic basins, the two complete root systems of the grafted seedling are transplanted into the two plastic basins respectively, the grafted seedling is cultivated, and an irrigation test is carried out on the root division zone at the right moment. According to the method, uneven water supply conditions of a forest root system can be simulated, and alternate irrigation of the root division zone can be simulated for relevant researches. The method is applied to researches on alternate irrigation of the root division zone, drought stress, salt stress and other aspects and has important research and application value.

The invention discloses a bacterium and a constructing method and application thereof. The bacterium features co-operation of 1,3-propylene glycol and L-lactic acid. Further, the bacterium is acid-producing Klebsiella oxytoca and includes acid-producing Klebsiella oxytoca PLL CCTCC M2016186. The constructing method of the bacterium refers to genetic engineering modification for wild fungi. The bacterium and the constructing method and application thereof have the advantages that it is possible to co-produce 1,3-propylene glycol and L-lactic acid by fermenting the bacterium, both the two products are high in molar conversion rate and concentration with fewer types of byproducts and low byproduct concentration, product extraction process can be simplified, efficient biological production of 1,3-propylene glycol and L-lactic acid can be achieved, and the bacterium has promising industrial application prospect.

The invention discloses a practical quantum secure communication method, which mainly solves the practical problem of quantum secure direction communication of the given data. According to the practical quantum secure communication method in the invention, a classic error correcting code is used to perform error correcting coding on a message and a random number is used to carry out encryption protection; the obtained ciphertext is used as a state selecting sequence to carry out non-orthogonal quantum state coding, and the obtained quantum state is used as a signal state; then, a certain number of non-orthogonal quantum states are randomly generated and used as a detection state; the detection state or the signal state is randomly sent according to a synchronous clock; a receiving end carries out random measurement and estimates quantum error rate and quantum response rate according to the detection result of the detection state; the correlation between the measurement result of the signal state and the state selecting sequence of a sending end is used for carrying out error correcting decoding and obtaining a target message. The practical quantum secure communication method in theinvention has unconditional security, can be implemented by using a current single-photon or weak coherent state quantum communication system and has a good application prospect in the field of network security and secure communication.

The invention relates to a small-DNA-molecular-weight standard, and a standard plasmid and a preparation method thereof. Small DNA sequences with the length of 100 bp, 200 bp, 300 bp, 400 bp, 500 bp, 600 bp, 700 bp and the like are constructed onto a plasmid by using overlapping polymerase chain reaction, restriction endonuclease digestion, DNA connection and other methods. After the plasmid is completely digested by single restriction enzyme, and seven uniform-brightness strips can be obtained through enzyme digestion. The small-DNA-molecular-weight standard is used for preparing a DNA standard reference substance, and is used for indicating the relative value of DNA molecular weight in agarose electrophoresis.

The invention discloses a spriulina polysacchride with the antitumor activity, and a preparation method of the spriulina polysacchride. A derivative of the spriulina polysacchride comprises four monosaccharides of D-glycuronic acid, D-acetylgalactosamine, L-fucose and galactose, and the molecular weight of the derivative is 5000-18000 Da. The extracted single spriulina polysacchride has an obvious inhibiting effect on tumor cells, and thus can be used for preparation of antitumor drugs.

The invention discloses a double-scale ceramic particle hybrid high-elastic modulus high-strength aluminum alloy. The double-scale ceramic particle hybrid high-elastic modulus high-strength aluminum alloy is characterized in that the double-scale ceramic particle hybrid high-elastic modulus high-strength aluminum alloy comprises chemical compositions including, by mass, 6.5%-10% of Si, 0.3%-0.7% of Mg, 0.1%-0.5% of TiB2, 2%-8% of SiC and the balance Al. The invention also provides a preparing method of the double-scale ceramic particle hybrid high-elastic modulus high-strength aluminum alloy.Al powder, Ti powder and B powder are sintered for in-situ endogeny of nano-scale TiB2 particles, micron-SiC ceramic particles are externally added to prepare the high-elastic modulus high-strength aluminum alloy, the contents of the nano-TiB2 and micron-SiC ceramic particles are optimized, the superposition effect of nano-sized ceramic particles and micron-sized ceramic particles in an aluminum matrix is realized, and the mechanical properties of the aluminum alloy are improved.

This invention relates to a determination method for wheat high molecular weight glutelin subunit, especially a method through technique of acid capillary electrophoresis. The key emphasis in current wheat breeding work is to improve the HMW-GS component, especially to improve the frequency of excellent high molecular weight glutelin subunit or subunit pairs The combination of current usual breeding method with label assistance selection techniques is the main means for wheat breeding improvement, wherein the rapid, microscale and accurate determination of excellent protein subunit for generation in the early hybrid time is the key to improve the breeding efficiency. The main task of this invention is to provide the buffer type and additives and condition parameter of acid capillary electrophoresis and clean-up procedures of capillary.

The invention provides a turnoff mechanism for sorting on two sides of a linear sorting machine, and a use method of the turnoff mechanism. The turnoff mechanism comprises a turnoff plate, a driven shifting fork, a drive shifting fork and a transmission mechanism, wherein the turnoff plate is provided with a first guide groove and a second guide groove which are mutually cross; the drive shifting fork drives the driven shifting fork to swing on the turnoff plate by the transmission mechanism, and when the drive shifting fork swings to seal a guide groove opening, at a crossing, of any one of the guide grooves, the driven shifting fork seals another guide groove opening, at the crossing, of the guide groove. Under the condition that mutual noninterference is ensured, sorting on two sides of the linear sorting machine is realized. The invention belongs to the field of sorting.

The invention discloses a facial expression motion unit identification method based on a space-time diagram convolutional network. The method comprises the steps: performing feature extraction on a facial motion unit AU area through a convolutional auto-encoder, then constructing a spatio-temporal relationship diagram of an AU sequence according to the AU spatio-temporal relationship closeness degree, and finally performing AU identification based on ST-GCN. According to the method, the facial motion unit is recognized based on the space-time diagram convolutional network, modeling is carried out on the space-time dependence relationship between the AUs by using the undirected space-time diagram model, and learning of AU deep representation features is carried out by using the space-time diagram convolutional network, so that the AU recognition accuracy is improved. The method can effectively solve the problems of poor robustness, low accuracy and the like of an AU detection model, and can be widely applied to expression analysis, emotion calculation and man-machine interaction application.

The invention discloses a preparation method of bacterial-cellulose-based composite for flocculating decolorization of printing-dyeing wastewater. The method is characterized in that bacteria are dynamically fermented and cultured to obtain bacterial cellulose secreted in a medium, and a porous absorbing material is supported in the purified bacterial cellulose to obtain the bacterial-cellulose-based composite for flocculating decolorization of printing-dyeing wastewater. The preparation method is simple to perform and low in production cost; the composite prepared herein is effectively applicable to the flocculating decolorization of printing-dyeing wastewater and the like, and the composite itself is green and biodegradable and has important applicable value in the field of flocculating decolorization.

The invention relates to zinc supplementing sustained release tablets and a making method thereof. The zinc supplementing sustained release tablets consist of the following raw materials of diatom minerals, nanometer zinc dioxide, potassium feldspar, molybdenum dioxide and kaolin, wherein A represents the diatom minerals, B represents the nanometer zinc dioxide, C represents the potassium feldspar, D represents the molybdenum dioxide, E represents the kaolin, the ingredient proportion of A to B to C to D to E is (40-50) to (30-35) to (8-10) to (8-10) to (6-8), wherein the total quantity of theraw materials is 100. The shaped zinc supplementing sustained release tablets are made through the following steps of performing material mixing on the raw materials, performing heating, performing cooling, adding the cooled materials to mold cavities, transporting the molds with the cooled materials into a furnace for sintering, and performing cooling. According to the zinc supplementing sustained release tablets and the making method thereof disclosed by the invention, the nanometer zinc dioxide deeply enters a plurality of micron order holes of the diatom minerals; the material structuresof the potassium feldspar, the molybdenum dioxide and he kaolin are firmly inlaid on the surfaces of the diatom minerals and the zinc dioxide to form the zinc supplementing sustained release tablets having a structure covered with micro holes; and the zinc supplementing sustained release tablets can be easy to carry, and can be convenient to take after being infused in hot water or decoction or after immersion, and a human body can be promoted to quickly absorb the zinc supplementing sustained release tablets.

The invention belongs to the technical field of membrane preparation and particularly relates to a method and a device for preparing a lipid bilayer membrane in situ in a liquid phase. Different from the common vesicle fusion method, the in-situ high-temperature vesicle fusion method adopted by the invention is characterized in that: 1, a sample introduction device is designed by combining an atomic force microscope (AFM) liquid tank needle holder to prepare a bilayer membrane in situ on a sample table; and 2, the fusion process is implemented at the temperature higher than a room temperature, so the process is accelerated. The formed bilayer membrane can be used for the observation of and study on an atomic force microscope (AFM). The method not only enables the forming process and surface topography of the membrane to be monitored by the atomic force microscope in real time, but also can change the liquid-phase environment of the membrane in situ by controlling the sample introduction device so as to control chemical and physical adsorption, chemical reactions, crystal growth and the like on the surface of the membrane. The method also can be used for preparing and modifying other amphiphilic membranes.

The present invention discloses a heavy metal passivation composition and applications thereof. According to the heavy metal passivation composition, the active ingredients comprise zeolite, red mud and a silicon-potassium fertilizer, and the heavy metal passivation composition comprises, by mass, 20-30 parts of zeolite, specifically 25 parts, 20-30 parts of red mud, specifically 25 parts, and 5-15 parts of a silicon-potassium fertilizer, specifically 10 parts. The present invention provides the heavy metal passivation composition comprising the active ingredients such as zeolite, red mud and a silicon-potassium fertilizer. According to the present invention, the test results show that the steel slag can significantly reduce the Cd content in the plant; and the heavy metal passivation composition can be suitable for various crops and fruits and vegetables, is especially suitable for reducing the content of the heavy metal Cd in rice and Chinese cabbage, and has important application value.

The invention relates to the field of biological and medical detection, in particular to a kit for detecting JWA expression in cancer or malignant tumor tissue. A kit for detecting JWA expression in cancer or malignant tumor tissue, characterized in that the kit includes primary antibody, general secondary antibody-polymer solution, chromogen, and blocking solution. The invention provides a kit for detecting the expression level of JWA protein in tumor tissue, and the result can be used as an important basis for judging the prognosis of tumor patients and formulating an individualized treatment plan, that is, detecting the expression level of JWA in tumor tissue, and according to the expression level of JWA levels to help determine treatment options. Obviously, the content of the present invention has very important original significance and application value. The expression level of JWA in cancer tissue can be used as an important molecular marker to measure the degree of tumor malignancy, formulate chemotherapy regimens, and judge prognosis.

The present invention discloses a high-quality exosome and a preparation method thereof, and particularly relates to an exosome, which is vesicles produced by cells and extracellular secreted, wherein the vesicles have the following characteristics that: a) the diameter is 30-90 nm; b) the density is 1.11-1.19 g/ml; c) and the vesicles contain one or a plurality of feature molecules such as TfR, LAMP, HSP70, HSC70 and CD9. The exosome of the present invention has characteristics of good uniformity and high safety, and can be subjected to mass production through the method of the present invention so as to meet clinical requirements.