56results about How to "Achieving yield" patented technology

The present invention provides a component supporting device which has: a platform, a vacuum system, a gas supply system and a discharger system. The platform has a supporting surface, a bottom surface and at least one through hole, and the through hole passes through the supporting surface and the bottom surface. The vacuum system provides a vacuum suction to the through hole. The gas supply system is used to output at least one type of gas to the through hole. The discharger system ionizes the gas into an ion fluid. Thus, the through hole can be used to provide the vacuum suction for supporting and sucking a component, or to provide the ion fluid when releasing the vacuum suction for more efficiently, uniformly and rapidly removing static electricity on a surface of the component.

The invention discloses a device for drying agricultural products. The device for drying agricultural products comprises a frame and a vibratory conveying mechanism mounted on the frame, a microwave drying system and a hot air drying system, wherein the microwave drying system comprises a microwave drying chamber and a microwave source; the microwave source is connected with the microwave drying chamber through a microwave energy reclaiming structure; the hot air drying system is communicated with the bottom of the microwave drying chamber; and the vibratory conveying mechanism penetrates through the microwave drying chamber so as to enable the agricultural products to penetrate through the microwave drying chamber in sequence and dry through the microwave drying chamber and the hot air drying system. Through the device for drying agricultural products, the advantages of dynamic and even drying characteristics of fluidized drying are combined with the advantages of high moisture and low cost of hot air drying and the advantages of rapidity and high efficiency of microwave drying, so that the aim of efficient, energy-saving, rapid, even, high-quality, high-yield and continuous drying is achieved; and the finished product ratio of the product is improved.

The present invention is in the field of soybean cultivar S07-03JR103829 breeding and development. The present invention particularly relates to the soybean cultivar S07-03JR103829 and its progeny, and methods of making S07-03JR103829.

The present invention is in the field of soybean cultivar S07-04JR000474 breeding and development. The present invention particularly relates to the soybean cultivar S07-04JR000474 and its progeny, and methods of making S07-04JR000474.

The invention provides a carbon-based solid acid catalyst, a preparation method thereof and a method for applying the carbon-based solid acid catalyst to biomass hydrothermal conversion. The preparation method of the carbon-based solid acid catalyst comprises the following steps: mixing pectin with water, adding concentrated sulfuric acid for activation, and then adding the mixture into ionic resin of an aromatic ring matrix; drying the obtained substance, crushing the obtained substance into powder, and pyrolyzing the powder under dry inert gas; carrying out sulfonation treatment on a solid obtained after pyrolysis by using concentrated sulfuric acid; diluting the obtained substance with water, filtering, and washing the filtered filter residue with water until sulfate ions are not detected in the washing water; and drying the solid obtained by filtering. The prepared catalyst has clear particles, is not easy to lose, and is convenient to recover. Besides, the prepared catalyst can realize hydrothermal conversion of pentose and hexose at the same time so that the purpose of preparing a high-value platform compound is achieved.

The invention discloses an automatic loading and unloading device for a graphite boat sticking point. The automatic loading and unloading device comprises a rack main body, a moving bracket, a grabbing module, a pressing rod module and an ejector rod module. The moving bracket is fixedly mounted at the upper end of the rack main body, and a point loading station and a point unloading station are arranged at the position, corresponding to the moving bracket, of the rack main body. The ejector rod module is arranged in the rack main body and is arranged corresponding to the point loading station. A movable frame in sliding connection is arranged at the positions, corresponding to the point loading station and the point unloading station, of the moving bracket. The grabbing module is fixedlyconnected to the upper end of the moving frame, and the pressing rod module is fixedly connected to the lower end of the moving frame. The rack main body further comprises a graphite flake to-be-assembled and disassembled sticking point position, an assembled-sticking-point graphite flake position, a sticking point mold plate position and an empty sticking point mold plate position; and lifting adjusting devices are arranged at the positions, corresponding to the graphite flake to-be-assembled and disassembled sticking point position, the assembled-sticking-point graphite flake position, the sticking point mold plate position and the empty sticking point mold plate position, of the bottom of the rack main body. The device has the advantages that the sticking point replacement efficiency and percent of pass are improved, and the service life of a graphite boat is prolonged.

The present invention proposes a carbon-based solid acid catalyst and its preparation method and its application to biomass hydrothermal conversion, wherein the preparation method of the carbon-based solid acid catalyst comprises the following steps: mixing pectin with water, and then adding Concentrated sulfuric acid is activated, and then the mixture is added to the ion resin of the aromatic ring matrix; the obtained material is dried, the obtained material is pulverized into powder, and pyrolyzed under dry inert gas; the solid obtained after pyrolysis is sulfonated with concentrated sulfuric acid Treatment; the obtained product is diluted with water and then filtered, and the filtered filter residue is washed with water until sulfate ions are no longer detected in the washing water; the filtered solid is dried. The prepared catalyst has distinct particles, is not easy to be lost, and is convenient for recycling. Moreover, the prepared catalyst can simultaneously realize the hydrothermal conversion of five-carbon sugars and six-carbon sugars, and achieve the purpose of preparing high-value platform compounds.

The present invention is in the field of soybean cultivar 05KG030123 breeding and development. The present invention particularly relates to the soybean cultivar 05KG030123 and its progeny, and methods of making 05KG030123.

The invention belongs to the technical field of sugar chemistry, and relates to a glycosylation reaction catalyst, a glycosylation method and application. The glycosylation method takes platinum chloride (IV) as a catalyst and is simple to operate, wide in substrate application range and high in reaction regioselectivity and stereoselectivity, and application of the method in glycosylation reaction is disclosed. According to the method, alpha-configuration O-glycosyl trichloroacetimidate is used as a donor, platinum (IV) chloride is used as a catalyst of an acid-base catalysis way, and a product mainly having a beta-configuration is obtained. In the method, a catalyst and a glycosyl acceptor are firstly combined to form a catalyst-acceptor adduct, so that proton acidity and oxygen affinity are increased, donor activation is enhanced, and acceptor transfer is carried out. According to the invention, the ligand binding capacity of platinum (IV) chloride and the characteristic that a diol receptor can be used as a bidentate ligand thereof are fully utilized, so that the method is not only suitable for construction of high-stereoselectivity glycosidic bonds of monohydroxyl receptors, but also can realize glycosidic bond construction with high regioselectivity and stereoselectivity of receptors of 1,3-diol, 1,2-cis-diol, 1,2-trans-diol, and 1,2,3-triol structures.

The invention provides a packaging, aligning and laminating device and a packaging, aligning and laminating control method, and relates to the technical field of semiconductor packaging, the packaging, aligning and laminating device comprises a support, the support comprises an adsorption platform used for fixing a chip, the periphery of the adsorption platform is provided with an adjusting mechanism and a baffle plate so as to form an accommodating area in an enclosing manner, conductive glass is arranged on the side, provided with the frame glue, of the chip through the containing area, and the adjusting mechanism adjusts the range of the containing area; a movable vibration module and a movable curing module are further arranged above the adsorption platform, the vibration module can move to the conductive glass and pressurize the conductive glass so as to transmit high-frequency oscillation to the frame glue between the chip and the conductive glass, spacers of the frame glue are distributed in a single-layer mode, and the uniformity of cell gap in the box pressing process is improved; the curing module is used for providing radiation energy for the frame glue to cure the frame glue. And a box pressing process and a curing process are integrated together, so that the yield, the efficiency and the reliability of an LCOS packaging test are realized.

The present invention is in the field of soybean cultivar 04RM149036 breeding and development. The present invention particularly relates to the soybean cultivar 04RM149036 and its progeny, and methods of making 04RM149036.

A process is proposed for preparing unsaturated macrocyclic monoketones, comprising the following steps:(a) providing macrocyclic dienes having a ring size of at least 9 carbon atoms;(b) contacting the starting materials from step (a) with(b1) a palladium(II) salt and / or a palladium(II) complex; and(b2) an oxidizing agent; and(b3) a solvent; and optionally(b4) a ligand; and optionally(b5) a co-catalyst; and optionally(b6) an acid,with the proviso that the co-catalyst (b5) comprises or consists of a divalent or trivalent iron salt which is different from FeSO4 and is preferably iron(III) nitrate.

A method for impurity removal and purification of titanium concentrate by suspending roasting, which is carried out according to the following steps: (1) grinding the titanium concentrate; Tailings; (3) The tailings of a section of magnetic separation are dehydrated by pressure filtration, and the filter residue is transported to a dry suspension roaster, which is fed into a high-temperature flue gas for suspension drying; (4) The dry material is transported to a weak oxidation suspension roaster. In the heating section, it is heated to 600-800°C, enters the oxidation section and undergoes a weak oxidation reaction under the action of air, and the weak oxidation material is cooled by heat exchange to form a cooling material; (5) The cooling material is subjected to a second-stage magnetic separation to obtain a second-stage magnetic separation Concentrate and second-stage magnetic separation tailings; first-stage magnetic separation concentrate and second-stage magnetic separation concentrate are used as purified titanium concentrate products. The invention has the advantages of simple technological process, large equipment processing capacity, easy control of product properties, energy saving and environmental protection in industrial application, and easy realization of large-scale.