137results about How to "High composition" patented technology

A III-nitride optoelectronic device comprising a light emitting diode (LED) or laser diode with a peak emission wavelength longer than 500 nm. The III-nitride device has a dislocation density, originating from interfaces between an indium containing well layer and barrier layers, less than 9×109 cm−2. The III-nitride device is grown with an interruption time, between growth of the well layer and barrier layers, of more than 1 minute.

A less-deformable resin-sealed electronic apparatus of high reliability capable of increasing the robustness (long life-time) of soldered portions of a power semiconductor device for use in internal combustion engines while increasing the physical stiffness of an overall apparatus structure for achieving enhanced resistance to flexure or bending stresses is provided. A hybrid IC substrate 2 and power semiconductor device 3 are mounted on a metallic heat sink 1. The power semiconductor device 3 is coupled and contacted with the heat sink 1 by use of an Sn-Sb alloy-based solder material 4. The power semiconductor device 3 and hybrid IC substrate 2 plus heat sink 1 as well as input / output terminals 6-1 to 6-3 are embedded in a package 7 except for part of the input / output terminals, which package is made of epoxy at 70 to 90 weight percent (%) of an inorganic loading or filler material as machined by transfer mold techniques.

This invention relates to: a novel use of GST-π and GST-π suppressing agents; an apoptosis-inducing agent containing as active components a drug that suppresses GST-π and a drug that suppresses autophagy; a medical composition containing said agent; and a method using said medical composition for treating diseases associated with abnormal apoptosis.

A method for making an amorphous soft magnetic core using Fe-based amorphous metal powders is provided. The amorphous soft magnetic powders are obtained by crushing amorphous ribbons produced using a rapid solidification process (RSP). The magnetic core is obtained by performing a preliminary thermal treatment of amorphous metal ribbons made of Fe-based amorphous metal alloy using RSP, crushing the amorphous metal ribbons to thereby obtain amorphous metal powders, classifying the amorphous metal powders to then be mixed into a distribution of powder particles having an optimal uniform composition, mixing the mixed amorphous metal powders with a binder, forming a core, and annealing the formed core to then coat the core with an insulating resin.

Siloxy-containing monomers, macromonomers, or polymers have at least a siloxy-containing side group that comprises a refractive-index increasing substituent. Polymeric compositions comprising such siloxy-containing monomers, macromonomers, or polymers are advantageously used for making ophthalmic devices, such as intraocular lenses, contact lenses, corneal rings, corneal inlays, and keratoprostheses.

The invention discloses an avermectin B1a high-yielding strain, which is classified and named streptomyces avermitilis AVE 07-N2-16515, and is preserved in a China type culture preservation centre (CCTCC) with the preservation number of CCTCC NO: M2012094. The avermectin B1a high-yielding strain disclosed by the invention is obtained by combining low-energy nitrogen ion implantation-lithium chloride (N<+>-LiCl) compound mutation with ultraviolet ray-lithium chloride (UV-LiCl) compound mutation, primarily screening, and performing shake-flask fermentation secondary screening, and is used as a starting strain for next mutation, so that the target strain AVE07-N2-16515 is finally screened. The obtained strain can greatly increase the avermectin B1a component and reduce other components in fermentation products, and is good in hereditary stability. The strain is fermented in a 5L fermentation tank to produce avermectin B1a by utilizing glucose as a quick-acting carbon source and cornstarch as a delayed-action carbon source, the titer can achieve 3048 mu g / m, which is improved by 23.4% as compared with the original starting strain AVE07; and the strain can be applied on industrial production, greatly improves a fermenting unit, and has great economic application value.

The invention provides a broad-spectrum rod-shaped viral pesticide produced by substitute hosts, the components and the weight proportion of which are: 20 billion PIB / ml virus suspension 2.5 to 15 percent, 60nm silicon dioxide 0.1 to 0.5 percent, aromatic amino acid 0.1 to 0.15 percent, refined fluorescent whitening agent 0.5 to 1 percent, sodium lignin sulfonate 0.1 to 1 percent, chlorfluazuron 0.01 to 0.1 percent, glycerol 1.0 to 2.0 percent, and remaining no sterilized water; the virus suspension is received by the infection of nuclear polyhedrosis virus of cabbage armymoth and the substation for the host---cotton bollworm or beet armyworm. The pesticide not only maintains the biological pesticide properties of viral pesticides and has no harms to human beings and higher animals, but also is suitable for the the massive employments on vegetables, and has the wide insect disinfestation spectrum. Therefore, a broad-spectrum viral pesticide can prevent and control various harmful insects while with only a rod-shaped virus. The invention has the advantages of good insecticidal effect, fast insecticidal speed, and very good application prospect.

A method for making an amorphous soft magnetic core using Fe-based amorphous metal powders is provided. The amorphous soft magnetic powders are obtained by crushing amorphous ribbons produced using a rapid solidification process (RSP). The magnetic core is obtained by performing a preliminary thermal treatment of amorphous metal ribbons made of Fe-based amorphous metal alloy using RSP, crushing the amorphous metal ribbons to thereby obtain amorphous metal powders, classifying the amorphous metal powders to then be mixed into a distribution of powder particles having an optimal uniform composition, mixing the mixed amorphous metal powders with a binder, forming a core, and annealing the formed core to then coat the core with an insulating resin.

The invention relates to a composite ceramic fiber and a preparation method thereof. The composite ceramic fiber comprises the components of SiC (silicon carbide), MC and / or MB2, SiC which are evenly diffused and distributed, wherein M is one or more of Ti, Zr and Hf. The composite ceramic fiber uses a single or composite organic macromolecule precursor containing M, Si, C, H and a selectable B element as a raw material, a melt spinning technology is used, and the polybasic composite ceramic fiber is prepared from fiber stabilization and ceramic. The composite ceramic fiber disclosed by the invention has excellent mechanical and high-temperature-resistant antioxygenic properties, and can be used as a reinforcement body for preparing ceramic fiber reinforced composite materials.

Methods of controlling stress in GaN films deposited on silicon and silicon carbide substrates and the films produced therefrom are disclosed. A typical method comprises providing a substrate and depositing a graded gallium nitride layer on the substrate having a varying composition of a substantially continuous grade from an initial composition to a final composition formed from a supply of at least one precursor in a growth chamber without any interruption in the supply. A typical semiconductor film comprises a substrate and a graded gallium nitride layer deposited on the substrate having a varying composition of a substantially continuous grade from an initial composition to a final composition formed from a supply of at least one precursor in a growth chamber without any interruption in the supply.

The invention discloses an alkylate preparation method in petrochemical field, in particular to a method for preparing alkylate by using an ionic liquid as a catalyst. The method can prepare the alkylate with high octane number by selecting the ionic liquid as the catalyst and the mixture of isobutane and C4 olefin as the reactants and by intermittent or continuous operation of a tank reactor or a fiber membrane reactor at 30 to 85 DEG C, in the presence or absence of reaction auxiliary agent and under a pressure that can ensure the reactants are liquid. The catalytic activity and C8 selectivity of the invention reach or exceed the level of industrial production of alkylate, and the ionic liquid catalyst has almost no corrosion and can form a two-phase system with the alkylate, so that the alkylate product can be easily separated from the catalyst. The ionic liquid catalyst can be used for substituting for liquid strong acid, and the method is a green and clean alkylation process at scale and is suitable for large-scale industrial continuous production.

The invention discloses a cationic functional fluorine-containing polymer and a preparation method thereof. The functional fluorine-containing polymer is a cationic functional fluorine-containing polymer prepared by the steps of: taking a fluorine-containing monomer, a graftable active monomer and a hydrophilic functional monomer as copolymerization monomers, firstly polymerizing, in a water phase dispersion system, the copolymerization monomers into an active precursor polymer of which the main chain contains an atom transfer free radical polymerization active side group, then initiating a cationic functional monomer by using the active side group on a solid liquid interface to perform interface atom transfer free radical polymerization, and performing polymerization to form the cationic functional fluorine-containing polymer containing a cationic type side chain. The cationic type side chain contains quaternary ammonium salt type and quaternary phosphonium salt type groups, has a very strong charge positive electrical property, and enables the polymer to have very strong antibacterial performance, hydrophilic performance and anion exchange absorbing performance, and the polymer can be applied separately to preparation or together with other resin to blending preparation of a high-hydrophilicity antibacterial separation membrane product, a gel electrolyte, an adhesive, a battery diaphragm, an anion exchange adsorbing material and an antibacterial coating, so that the application range of vinyl chloride type polymers is greatly broadened; and in comparison with an existing material, the polymer is good in hydrophilicity, is antibacterial, and is good in application prospect.

The invention relates to mixtures comprising a) at least one silicone oil, b) at least one organic oil and c) at least one organomodified silicone chosen from the formulae (1), (2) or (3) Me3SiO-[Si(Me)(R)O]x-SiMe3 (1) Me3SiO-[Si(OSiMe3)(R)O]y-SiMe3 (2) Me3SiO-[[Si(Me2)O]z[Si(Me)(R)O]v]-SiMe3 (3), wherein R is an alkyl or alkenyl radical having 6 to 40 carbon atoms, a phenyl radical, an alkylaryl radical having 7 to 30 carbon atoms or an arylalkyl radical having 7 to 30 carbon atoms and x is an integer between 1 and 10, y is an integer between 1 and 10 and v, z are integers between 1 and 100, with the proviso that the silicone oils a) are not organomodified silicones c) according to the formulae (1), (2) or (3). The addition of the organomodified silicones c) to the mixtures permits the compatibilization of the silicone oils a) and organic oils b) and thus the preparation of homogeneous, clear mixtures.

The invention provides a thermoplastic elastomer material for refrigerator sealing strip and a preparation method thereof. The thermoplastic elastomer material for the refrigerator sealing strip comprises the following components in parts by weight: 20-40 parts of SEBS (Styrene-Ethylene-Butadiene-Styrene), 20-45 parts of mineral oil, 20-50 parts of polyethylene, 5-20 parts of a mineral filler, 10-30 parts of a polyolefin alloy thermoplastic elastomer, 0.5-2 parts of an ultraviolet absorber and 0.5-2 parts of a mildew preventive. The thermoplastic elastomer material for the refrigerator sealing strip has the advantages of low density, environment friendliness, surface smoothness, soft handfeel, simple processing technic, high welding performance, flexible product design, excellent cold resistance, excellent heat resistance, higher size accuracy and higher surface fineness, and is more suitable for extruded profiled bars and refrigerator sealing strip products with air blowing requirements.

The present invention provides a Ni-based superalloy powder for use in additive manufacturing, including, on the basis of mass %: 0 to 0.2% C; 0.05 to 1.0% Si; 0.05 to 1.0% Mn; 10.0 to 25.0% Cr; 0.01 to 10% Fe; 0.1 to 8.0% Al; 0.1 to 8.0% Ti; 0.002% or less S and / or 0.10% or less N; and the balance being Ni and incidental impurities. The Ni-based superalloy powder of the invention allows production of a good sintered body even during sintering by a rapid melting-rapid solidification process, such as additive manufacturing.

A method of fabricating a substrate for a semipolar III-nitride device, comprising patterning and forming one or more mesas on a surface of a semipolar III-nitride substrate or epilayer, thereby forming a patterned surface of the semipolar III-nitride substrate or epilayer including each of the mesas with a dimension / along a direction of a threading dislocation glide, wherein the threading dislocation glide results from a III-nitride layer deposited heteroepitaxially and coherently on a non-patterned surface of the substrate or epilayer.

The present invention relates to a purified, easily produced poly-beta-1->4-N-acetylglucosamine (p-GlcNAc) polysaccharide species. The p-GlcNAc of the invention is a polymer of high molecular weight whose constituent monosaccharide sugars are attached in a beta-1->4 conformation, and which is free of proteins, and substantially free of single amino acids, and other organic and inorganic contaminants. In addition, derivatives and reformulations of p-GlcNAc are described. The present invention further relates to methods for the purification of the p-GlcNAc of the invention from microalgae, preferably diatom, starting sources. Still further, the invention relates to methods for the derivatization and reformulation of the p-GlcNAc. Additionally, the present invention relates to the uses of pure p-GlcNAc, its derivatives, and / or its reformulations.

The invention discloses an astaxanthin high-yield strain and application thereof. The astaxanthin high-yield strain is classified to be named as Xanthophyllomyces dendrorhous VR-032 and collected in CCTCC (China Center For Type Culture Collection), and the collection number is CCTCCM2014190. According to the invention, a target strain VR-032 is finally screened by virtue of nitrosoguanidine mutagenesis by adopting a strain which is obtained by fermentation and screening based on a shake flask and has high astaxanthin yield as an initial strain of a next round of mutagenesis, and the strain can be used for more greatly increasing astaxanthin components contained in a fermentation product and decreasing other components and has good hereditary stability. According to the astaxanthin high-yield strain disclosed by the invention, the sugar cane is utilized as a fermentation carbon source, the yield of the astaxanthin obtained by fermentation by utilizing the low-cost sugar cane as the carbon source in a 5L fermentation tank is up to 68.7mg / L, the yield of the astaxanthin is increased by 20.8% compared with that of an original initial strain, and the astaxanthin high-yield strain can be applied to industrial production, greatly improving the fermentation unit and achieving significant economic application value.

A process for preparing high-activity bimetal cyanide as complexing catalyst from zinc chloride features that as said zinc chloride has higher basicity, it is treated by acid to regulate its basicity to optimal value and then is used to prepare said catalyst with higher activity, resulting in high quality of catalyzed product.

The invention relates to a traditional Chinese medicine extract composition for treating gastrointestinal dysfunction or irritable bowel syndrome (IBS), and a preparation method and applications thereof in the preparation of medicaments. The traditional Chinese medicine extract composition comprises the following raw materials: 9-12g of radix bupleuri, 9-12g of paeonia lactiflora, 9-12g of atractylodes macrocephaia, 9-12g of tuckahoe, 3-6g of liquorice, 3-6 gof radix pseudostellariae and 3-6g of rhizoma ligustici wallichii. The invention is characterized in that all the components use extracts of raw medicinal drugs, wherein the volatile oil of atractylodes macrocephaia is component 1; the concentrated extract of water decocted liquid of atractylodes macrocephaia dregs after extracting the volatile oil and other drugs is component 2; and a proper amount of cyclodextrin is component 3. The invention overcomes the traditional viewpoint that the effect of the total extract or water decocted liquid of the traditional Chinese drugs is better than that of the partial extract, and selectively uses the volatile oil of the raw medicinal drugs. Through the combining treatment, the invention obviously improves the preparation performance of the extracts and ensures the quality of the composition. The traditional Chinese medicine extract composition for treating gastrointestinal dysfunction or irritable bowel syndrome (IBS) has unexpected effects by using the extracts.

The invention discloses a nonionic functional fluorine-containing polymer and a preparation method thereof. The functional fluorine-containing polymer is a nonionic functional fluorine-containing polymer prepared by the steps of: taking a fluorine-containing monomer, a graftable active monomer and a hydrophilic functional monomer as copolymerization monomers, firstly polymerizing, in a water phase dispersion system, the copolymerization monomers into an active precursor polymer of which the main chain contains an atom transfer free radical polymerization active side group, then initiating a nonionic functional monomer by using the active side group on a solid liquid interface to perform interface atom transfer free radical polymerization, and performing polymerization to form the nonionic functional fluorine-containing polymer containing a nonionic side chain. The nonionic functional fluorine-containing polymer prepared by the method disclosed by the invention has a high functional monomer content and good hydrophilicity, can be applied separately to preparation or together with other resin to blending preparation of a high-hydrophilicity separation membrane, a battery diaphragm, a biological medical material, a coating, a bonding material and a flexible easy-printing packing material, and in comparison with an existing material, is good in hydrophilicity, low in cost, and good in application prospect.

A plate-like polycrystalline particle is produced by forming inorganic particles into a freestanding shaped body, firing the shaped body, and crushing and classifying the fired shaped body. The inorganic particles contain as the main component an oxide that has a general formula of ABO3 and that satisfies a×Pb(M1 / 3,Nb2 / 3)O3+b×PbTiO3+c×PbZrO3+z×MO (wherein a+b+c=1, and M denotes at least one element selected from Mg, Ni, and Zn), wherein z is in the range of 0.002≦z≦0.42. The oxide contains a predetermined excessive amount of MO (M denotes at least one element selected from Mg, Ni, and Zn) such that the plate-like polycrystalline particle contains an excessive amount of MO. The plate-like polycrystalline particle contains a plurality of crystal grains that have a wavy structure composed of wavy grain boundaries. The plate-like polycrystalline particle is easily crushed at the grain boundaries and has a high degree of orientation.

The invention discloses an anionic functionalized fluorine-containing polymer and a preparation method thereof. The functionalized fluorine-containing polymer is prepared through the following steps: subjecting a chlorine-containing monomer, a graftable active monomer and a hydrophilic functionalized monomer as copolymerization monomers to polymerization in an aqueous-phase dispersion system so as to obtain an active precursor polymer with a main chain containing an active side group for atom transfer radical polymerization, initiating an anionic functionalized polymer to interface atom transfer radical polymerization on a solid-liquid interface in an alkaline environment by utilizing the active side group so as to form the anionic functionalized fluorine-containing polymer containing an anionic type side chain. According to the invention, the anionic type side chain contains sulfonic groups and carboxylic groups and has strong electronegativity, so the polymer has strong hydrophilic performance and cation exchange adsorption performance, can be independently used for preparation or is mixed with other resins for preparation of highly-hydrophilic separating membrane products, gel electrolytes, adhesives, battery separators, cation exchange adsorption materials and flexible packaging materials, greatly broadens the application scope of vinyl chloride polymers, and has good application prospects.

The present invention is related to a novel high fixation ink composition for digital textile printing, which comprises: (A) at least one reactive dye compound with two reactive groups in an amount of 1% to 50% by weight; (B) an organic buffer in an amount of 0.05% to 10% by weight; (C) a humectant in an amount of 10% to 50% by weight; and (D) a solvent in remaining amount. When the aforesaid ink composition is applied in digital textile printing, fixation rate of dye on fabrics is high.

A photopolymerizable composition for forming a cosmetic coating for nails comprises a continuous phase and a discontinuous phase. The continuous phase comprises (meth)acrylate monomers, crosslinkers, photoinitiators, and optionally (meth)acrylate oligomers and other additives. The discontinuous phase comprises particles such as polymers, inorganic materials or a mixture thereof. The particle sizes of the components of the discontinuous phase mixture are in the range of several microns or tens of microns. This composition has good storage stability, exhibits high viscosity, and has a relatively low exotherm when used. The composition can be shaped readily by a nail technician to form nail coatings and is then exposed to actinic light to form a nail coating. The photopolymerizable composition may be kept in a container such as a tube container, a syringe container, and a foil packet.

The present invention relates to a purified, easily produced poly-beta-1->4-N-acetylglucosamine (p-GlcNAc) polysaccharide species. The p-GlcNAc of the invention is a polymer of high molecular weight whose constituent monosaccharide sugars are attached in a beta-1->4 conformation, and which is free of proteins, and substantially free of single amino acids, and other organic and inorganic contaminants. In addition, derivatives and reformulations of p-GlcNAc are described. The present invention further relates to methods for the purification of the p-GlcNAc of the invention from microalgae, preferably diatom, starting sources. Still further, the invention relates to methods for the derivatization and reformulation of the p-GlcNAc. Additionally, the present invention relates to the uses of pure p-GlcNAc, its derivatives, and / or its reformulations.

The invention provides a reactor for preparing low-carbon olefins by cracking reactions, which has an entrance end (1) and an exit end (2), wherein the two ends are formed at opposite positions on the reactor; one fourth of the space from the entrance end (1) in the reactor is a combustion zone (3) and the rest space is a reaction area (4); the entrance end (1) is provided with a fuel and oxygen nozzle (5) communicated with the combustion zone (3), and the end ports except the nozzle are sealed; a reactor side wall between the combustion zone (3) and the reaction area (4) is provided with a raw material nozzle (6) and the exit end (2) has a product outlet (7); and the fuel and oxygen nozzle (5) and the raw material nozzle (6) are one or more than two nozzle structures. The invention also provides a method for preparing the low-carbon olefins by using the reactor.

The invention relates to the technical field of drink processing, in particular to a passion fruit drink and a preparation method thereof. The passion fruit drink is mainly prepared from passion fruits, pitaya, wax apples, endive, Jerusalem artichoke, purple lotus fruits, dark green tea, twisted-flower rush herb, phosphatidic acid, mannan, chitosan, lactobacillus fermenti, lactobacillus acidophilus, bacillus licheniformis, bifidobacterium, saccharomycetes, lactosucrose, isomaltooligosaccharide, stachyose, complex enzyme and other raw materials through raw material treatment, enzymolysis, enzyme deactivation, blending, sterilization and other steps. The raw material formula of the drink is the most scientific and reasonable, the drink has uniform color, has no precipitates, has a fragrant and strong fruit flavor, tastes mellow, refreshing, sour, sweet and delicious, has a long shelf life, has effectively increased soluble solid content, has high nutritional value, can effectively promote intestinal tract movement, has the effects of clearing heat, removing toxins, producing saliva, slaking thirst, clearing intestines, maintaining beauty and keeping young and is a functional healthcare drink capable of regulating intestinal florae and invigorating intestines and stomach, and the preparation process is simple and easy to operate.

The invention discloses bread yeast and an application thereof in producing a coenzyme I by fermenting. The bread yeast is prepared through the steps of after original starting strains sc-00 are mutated by implanting a low-energy nitrogen ion beam, carrying out preliminary screening on the strains, fermenting in a shake flask, and carrying out secondary screening; and the bread yeast is classified and named Saccharomycescerevisiae SC-Z180, and preserved in China Center for Type Culture Collection CCTCC, and the Preservation Number is CCTCCM2014317. The bread yeast can be used for greatly increasing the components of the coenzyme I in the process of fermentation, and reducing other components; and through carrying out fermentation and secondary screening on obtained strains, the strains can be used for significantly improving the problem that the fermentation yield is low, and in a fermentation tank with a volume of 5 L, the yield of the coenzyme I is increased by 45.8% in comparison with that of original starting strains.

The present invention relates to a coating composition comprising: 10 to 80 wt % of cerium oxide comprising a dopant based upon the total weight of the composition, wherein said dopant is selected from iron oxide, cobalt oxide, chromium oxide, lanthanum oxide, or mixtures thereof, and the atomic ratio of dopant metal to cerium is in the range 0.01:1 to 0.5:1; and 10 to 50 wt % of binder based upon the total weight of the composition.