32results about How to "Important industrial application value" patented technology

The present invention concerns a high vacuum in-situ refining method for high-purity and superhigh-purity materials and the apparatus thereof, characterized in heating the upper part and lower part of crucible separately using double-heating-wires diffusion furnace under vacuum, thereby forming the temperature profile which is high at upper part and low at lower part of crucible, or in reverse during different stages; then heating the crucible in two steps to remove impurities with high saturation vapor pressure and low saturation vapor pressure respectively in efficiency; and obtaining high-purity materials eventually. The whole procedure is isolated from atmosphere, reducing contamination upon stuff remarkably. The present invention could provide products with high-quality and high production capacity, which are stable in performance, therefore is reliable and free from contamination. The present invention is appropriate for manufacture of high-purity and superhigh-purity materials, particularly for manufacture of high-activity high-purity materials.

The invention discloses a solid culturing method for increasing the active product yield of antrodia camphorata by adopting a two-stage temperature control technology. The method comprises the following steps of: preparing an antrodia camphorata slant strain and a liquid seed, and inoculating the liquid seed onto a solid culture medium for culturing; controlling the culturing temperature at 26-37DEG C at the first culturing stage (0-20 days); and controlling the culturing temperature at 18-26 DEG C at the second culturing stage (20-40 days). During solid culture of active products of antrodia camphorata with a two-stage temperature control process, the yield of Antrodin C is up to 5.0-7.0 mg / g, the yield of AntrodinB is up to 1.0-2.0 mg / g, and the yield of Antroquinonol is up to 1.2-2.5 mg / g. The two-stage temperature control technology for the active products of antrodia camphorata provided by the invention is simple and efficient and has an important industrial application value; and meanwhile, the production of other active metabolic products of antrodia camphorata have certain enlightening meanings.

The invention relates to a non-heat-treatment strengthened high-strength high-toughness pressure casting aluminum-magnesium-silicon alloy, and a preparing method thereof. The pressure casting aluminum-magnesium-silicon alloy comprises, by weight percent, 6.0 to 8.0% of Mg, 2.0 to 3.6% of Si, 0.6 to 0.9% of Mn, 0.15 to 0.20% of Ti, 0.004 to 0.006% of Be, 0.003 to 0.01% of Ca, 0.03 to 0.1% of V, 0.02 to 0.1% of Zr, 0.01 to 0.2% of RE, smaller than or equal to 0.4% of the sum of the total amount of other impurities and the balance Al. the alloy has the high strength and high toughness under the casting-state condition, good pressure casting can be achieved, and the application needs of large thin-wall car body structural parts of the car industry can be greatly met.

An embodiment of the invention discloses a manufacture method of a thin film transistor driving rear panel. The manufacture method is used for efficiently using a metal-oxide semiconductor material to manufacture the thin film transistor driving rear panel. The embodiment comprises preparing and imaging a metal conducting layer; sequentially depositing insulating films and metallic oxide films on the metal conducting layer to respectively serve as gate insulation layers and active layers; imaging the active layers according to shapes of the metal conducting layer; depositing the insulating films on the active layers to serve as corrosion stopping layers; using a gray level mask plate imaging process, preparing contact holes on the gate insulation layers and imaging the corrosion stopping layers, and defining source and drain electrode area of a thin film transistor and active area of storage capacitance; and depositing and imaging a conductive thin film layer on the corrosion stopping layers.

The present invention relates to a process for producing flavone through liquid-solid double-phase culture of medicinal mushroom phellinus igniarius, and belongs to the technical field of biological fermentation engineering. According to the present invention, mainly during a phellinus igniarius liquid fermentation process, a macroporous absorption resin is added to a culture liquid to establish a liquid-solid double-phase culture system so as to improve a flavone yield; with the double-phase culture process, the flavone yield can be up to 2174.35 mug / ml and is increased by 35% compared with the control; and the process has characteristics of simple operation and strong generalization, and is especially suitable for large-scale higher fungi fermentation and active substance production.

The invention relates to a catalyst for a low-temperature water-gas-shift reaction under a hydrogenous reformed gas and a preparation method thereof. The catalyst of the invention comprises the following component in percentage by weight: 0.1 to 3 percent of aurum (Au) and 97 to 99.9 percent of zirconium oxide (ZrO2), wherein the Au is an active component; and the ZrO2 is a carrier. The ZrO2 carrier prepared by the method has larger specific surface area and larger pore volume, so the active component Au can be dispersed better. The catalyst of the invention still has higher low-temperature water-gas-shift catalytic activity under the condition of lower Au mass content, for example, when the Au weight content reduced to 1 percent, the carbon monoxide (CO) conversion rate of the Au / ZrO2 catalyst is still near the balance conversion rate at the temperature of between 210 and 300 DEG C. The catalyst of the invention has the advantages of wide using conditions and particular suitability for a high airspeed hydrogenous reformed gas atmosphere.

The invention relates to the field of high-temperature solid lubricating coatings, in particular to the high-temperature solid lubricating coating for a foil air bearing and a preparation method thereof, which solve the problem of abrasion of a foil in the foil air bearing at room temperature to 650 DEG C. The coating adopts a CuAl alloy, and comprises the following chemical components in percentage by weight: 80 to 98 percent of Cu and 2 to 10 percent of Al. The coating is prepared by vacuum arc ion plating technology, and process parameters comprise the arc voltage of 20 to 30V, the arc current of 75 to 95A, the guiding voltage of 12 to 18V, the guiding current of 4 to 7A, the focusing voltage of 9 to 13V and the focusing current of 4 to 8A. The preparation method comprises the following steps of: first performing vacuum arc ion plating under the bias voltage of 500 to 600V for 1.5 to 3.5min; then performing the vacuum arc ion plating under the bias voltage of 200 to 300V for 3 to 4h; and finally obtaining the high-temperature solid lubricating coating. The high-temperature solid lubricating coating provided by the invention can improve the friction and abrasion resistance of a high-temperature solid self-lubricating coating for a shaft and avoid or reduce the abrasion of the foil, thereby ensuring the stable running of the foil air bearing in a high-temperature and high-speed environment.

The invention relates to a method for resolving racemic alpha-hydroxy esters by adopting alpha-hydroxy acid oxidase and belongs to the field of bioengineering. The method can be applied to the preparation of optically-pure alpha-hydroxy esters.

The invention discloses a method for producing polysaccharide by crossly culturing tremella fuciformis basidiospores by stages, comprising the following step that the fermenting and culturing process includes three stages which are respectively carried out on a rotary type swing bed and a reciprocated type swing bed at the same rotation speed for crossly culturing. By applying the method providedby the invention for culturing tremella fuciformis conidiums, tremella fuciformis polysaccharide can be produced in high efficiency, and the output of the polysaccharide can reach 5.80g / L. The method provided by the invention is a production method with favorable industrialized prospect, thereby laying the foundation for producing tremella fuciformis polysaccharide for the industrialized economy.

The present invention relates to environment friendly microwave dielectric ceramic for dielectric resonator, filter, vibrator and other microwave elements and devices in Ku band satellite communication system. The microwave dielectric ceramic contains ZrO2, SnO2 and TiO2 as well as micro additives ZnO, La2O3, Co2O3, CuO, SiO2, etc. It is prepared through mixing the materials, ball milling, calcining, crushing, pelletizing, forming, sintering and other steps. It features the low sintering temperature resulting in low power consumption, medium dielectric constant, high quality factor and temperature stable resonant frequency.

The invention provides a system and a method for beam direction multi-target optimization based on an ant colony algorithm. First, a multi-target optimization model is established according to restrictions of a target region, information of organs at risk, beam setting parameters and dose (volume) of each organ, and beam direction searching is performed by adopting fast non-dominated sequencing. Ants search simultaneously, selection is carried out according to state transfer probabilities during searching, pheromone is updated for one time after each patch of ants finish searching, and after all the ants finish searching, one group of non-nominated solution of an optimal beam direction is obtained. The system and the method of beam direction multi-target optimization based on the ant colony algorithm not only accurately establish a mathematic model of an optimization problem, but also are fast in solving speed, stable in algorithm and strong in robustness. A user can select a reasonable solution from a non-nominated solution set.

The invention discloses a self-forming membrane filtering method and device for wastewater treatment. According to the technical scheme, a fixed membrane carrier is arranged in an airtight cylinder; solid suspensions (SS) in wastewater are coagulated into relatively large flocculent particles under the action of a flocculant; the flocculent particles are attached to the cylinder or prism membrane carrier under preset pressure and cyclone action to automatically form a membrane; the wastewater is filtered, and the filtered wastewater is discharged through the self-forming membrane layer. The self-forming membrane filtering device comprises the airtight cylinder, wherein a back-flushing device is arranged at the top of the airtight cylinder; a mud discharging channel is formed in the bottom of the airtight cylinder; a water inlet is arranged in the side near the bottom end of the airtight cylinder; a water outlet is arranged in one side near the top end of the airtight cylinder; the membrane carrier connected respectively with the back-flushing device and the water inlet is arranged in the airtight cylinder; a cyclone pipe communicated with the water inlet is arranged at the bottom end in the airtight cylinder. The method is simple in treatment technology, small in occupied area, low in cost, high in efficiency and great in energy-saving effect.

The invention discloses a lipase mutant with increased optimum temperature, which belongs to the technical field of enzymatic genetic engineering. The lipase mutant with increased optimum temperature disclosed by the invention is obtained through taking rhizopus chinensis China center for type culture collection (CCTCC) M201021 lipase as a parent and utilizing a molecular biological technique, and the mutant amino acid of the mutant is Asp310Val. The optimum temperature of the lipase mutant is increased compare with the optimum temperature of the parent of rhizopus chinensis lipase and has an important industrial application value.