42results about How to "Has commercial potential" patented technology

The invention provides a method of improving buried resistance printed wire board resistance precision. The method of improving the buried resistance printed wire board resistance precision comprises the following steps: (1) supplying a board with a buried resistance layer, wherein the board with a buried resistance layer comprising an insulating medium layer, the buried resistance layer and a copper foil layer, (2) attaching a first light resistance film, proceeding a first time exposure, printing a circuit figure of a negative film on the first light resistance film, proceeding a first time develop, the circuit figure comprising a resistance circuit and a normal circuit, increasing 6 mil to a long side unilateral of circuit width of the resistance circuit, and increasing 1.25 mil to a broadside unilateral of circuit width of the resistance circuit, (3) proceeding a first time etching and a second time etching, (4) attaching a second light resistance film, proceeding a second time exposure, printing a circuit figure of a positive film on the second light resistance film, proceeding a second time develop, reducing 0.6 mil to a long side unilateral of circuit width of the resistance figure, and increasing 6 mil to a broadside unilateral of circuit width of the resistance figure, (5) proceeding a third time etching, and (6) proceeding brown oxide processing, controlling micro etching amount between 1.3-1.7um,proceeding a -17% extra compensation to the resistance figure of the positive film.

The invention discloses an ATRP method for constructing a series of low-toxicity and high-efficiency cationic gene vectors with PGMA (polyglyceryl methacrylate) as a skeleton in the technical field of the non-viral gene vectors. The ATRP method is smooth in polymerization reaction and easy to control; according to the ATRP method, a variety of high-performance cationic gene vectors with different molecular weights and narrow molecular weight distribution can be prepared as required; and the prepared cationic gene vectors are good in storage stability, have a transfection efficiency higher than the gold standard PEI in Hepg2, C6, Cos7, HEK293 and other cells, are easy to use and have a commercial potential.

The invention discloses construction of a series of bio-reducible cation polysaccharide gene vectors taking polysaccharides including dextran, cyclodextrin and prolan as frameworks and having high gene transfer efficiency with an ATRP (Atom Transfer Radical Polymerization) method, which belongs to the technical field of non-viral gene vectors. In the ATRP method, a polymerization reaction is stable and is easy to adjust and control, a plurality of high-performance cation polysaccharide gene vectors which belong to different molecular weight series and have narrow weight distribution can be prepared as required, and the prepared cation polysaccharide gene vectors have high storage stability and can keep original performance after being stored for certain days or certain months. The polysaccharide cation gene vectors have higher transfer efficiency than a liposome lipfect2000 which is applied commercially internationally in cells such as Hepg2, Hela, C6, Cos7, HEK293 and the like, are easy to use, and have commercial potentials.

The invention, which belongs to the field of the communication technology, particularly discloses a short message system and a short message system-based intelligent dynamic conversation scene realizing method. The short message system comprises a keyword configuration file module, a dynamic effect configuration file module, a resource file module, a keyword-dynamic effect corresponding relation configuration file module, a starting module, a determination module, a multi-language keyword matching module, a dynamic scene realization module, and a system language matching module. In addition, the method comprise the following steps: reading a keyword configuration file, a dynamic effect configuration file, a resource file, a keyword-dynamic effect corresponding relation configuration file; and generating top-level displaying of dynamic view to a conversation interface according to the keyword-dynamic effect corresponding relation. According to the invention, a corresponding dynamic effect can be generated according to an input short message or a received short message of a user; and thus different surprises and experience can be provided in the dull and boring short message sending process.

The invention relates to a smart device, in particular to an electrochromic smart window based on polyoxometallate. Saturated polyoxometallate is taken as a raw material, conductive glass with a semiconductor film printed is taken as a substrate, and a composite film is prepared with the electrodeposition technology. An aqueous solution is used in the whole film preparation process and is environment-friendly and harmless, and the operation is convenient and easy to implement. The electrochromic device prepared from the film has good electrochromic performance and has commercial prospect.

The invention provides a culture medium for hybrid tumor cell clone and for preparing monoclonal antibodies and a preparation method thereof; RPMT 1640 complete media are prepared by conventional method, and then mixed with cell-free culture supernatant of the cells with certain proportions, such as BHK-21, CRFK, Hela and the like; the volume ratio of the complete media to each cell supernatant is (7-1):1. The advantages of the invention are as follows: due to the adoption of the inventive culture medium for hybrid tumor cell clone, the link in which BALB/c mouse peritoneal macrophage is used as feeder cells in the conventional hybrid tumor cells clone process is completely left out, which greatly simplifies clone operations and obviously increases the growth speed of the cloned cells.

The invention belongs to the technical field of a non-viral gene vector and a medicine/photosencitizer vector, and particularly relates to a multifunctional nanometer vector and a preparation method of the multifunctional nanometer vector, wherein the multifunctional nanometer vector is built by using silicon oxide nanometer particles as substrates, functionalizing the silicon oxide nanometer particles through surface modification, introducing photosensitive groups with ultraviolet/near infrared light response and using an ATRP (Atom Transfer Radical Polymerization) method. The multifunctionalnanometer vector has higher transfection efficiency than international JINBIAO PEI in cells of HepG2, COS7, 293, C6, Hela and the like, and has photoresponse gene release performance. Under the photostimulation, the photosensitive groups on the surfaces of the silicon oxide nanometer particles perform photolysis, so that positive ions fall off, and the genes are released; and the gene transfection efficiency can be greatly improved. Various different medicine or photosencitizer molecules can be loaded into porous structures of mesoporous silicon oxide nanometer particles; and good experimentfoundation is laid for the development of the novel photoresponse nanometer vector. The method has the advantages that the use method is simple; and the commercialization potential is realized.

The invention provides a cobalt fluoride-based composite electrode material and a preparation method thereof. The method comprises the following steps: S1, compounding a cobalt-based metal organic framework with a fluorine-containing material to obtain CoF2; and S2, fully grinding graphene oxide and CoF2 according to a preset proportion, putting the ground graphene oxide and CoF2 into a tubular furnace, heating to 300-500 DEG C at a heating rate of 5-10 DEG C/min in a gas atmosphere of air, and keeping the temperature for a preset time; and cooling, taking out the obtained powder, and fully grinding to obtain the rGO@CoF2. According to the preparation method, the rGO and the CoF2 are compounded, so that the obtained composite product has the electrochemical performance of fluoride and also keeps the layered morphology and good conductivity of the reduced graphene oxide rGO; meanwhile, CoF2 synthesized based on ZIF can maintain the porous structure and high stability of ZIF, and a new thought is provided for preparation of a high-performance battery material through proper selection of a precursor and a compounding mode of a conductive material.

The invention discloses a multivalent metal battery containing a two-dimensional nanosheet additive, the multivalent metal battery comprises an electrolyte and a multivalent metal negative electrode, the electrolyte comprises an electrolyte salt, the two-dimensional nanosheet additive and a solvent; the two-dimensional nanosheet additive is selected from one or more of carbon nitride, boron nitride, nitrogen-doped graphene, sulfur-doped graphene and oxygen-doped graphene. By adding the two-dimensional nanosheet additive into the electrolyte, metal deposition can be continuously and orderly induced on an electrochemical interface to form a compact and ordered metal deposit, so that the electrochemical performance of a total battery based on polyvalent metal as a negative electrode is improved, and the cycle life of the total battery is prolonged.