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50results about How to "Moderate growth rate" patented technology

Method for preparing single-layer diamond abrasive tool through chemical vapor deposition

The invention discloses a method for preparing a single-layer diamond abrasive tool through chemical vapor deposition. According to a silicon carbide base body, a diamond abrasive material is mixed into a photoresist solution and is subject to ultrasonic vibration, rotating whirl coating is used for evenly dispersing diamond abrasive particles, uniform distribution of the particles on a base body substrate can be achieved, the CVD method is adopted to enable the diamond coating bonding agent to be subject to deposition between the diamond abrasive particles and the silicon carbide base body, the abrasive material and the base body are firmly connected together, and meanwhile, the abrasive particles grow to become high-grade cubic octahedral single-crystal particles. The prepared single-layer diamond abrasive tool is high in abrasive particle holding force, the exposure height is large, the chipping containing space is large, defects of electroplating and brazing single-layer diamond abrasive tools are overcome, and the method is suitable for preparing fine granularity (five micrometers to 100 micrometers) single-layer diamond abrasive tools. The prepared single-layer diamond abrasive tool has the wide application prospect in high-precise grinding fields of crisp and hard materials of semiconductors, optical crystals, artificial sapphire, glass and the like
Owner:SHANGHAI JIAO TONG UNIV +1

Bean sprout cultivating method and bean sprout cultivating system

The invention discloses a bean sprout cultivating method and a bean sprout cultivating system. The method comprises the following steps: S1, accelerating germination, i.e. soaking bean sprout seeds in seed soaking liquid for 3 to 8 hours, wherein, a temperature of the seed soaking liquid is 20 DEG C to 28 DEG C; S2, carrying out incubation, i.e. setting the incubation temperature to be 25 DEG C to 28 DEG C, and carrying out water spraying processing on the seeds subjected to germination acceleration at interval of preset time so as to obtain first bean sprout crude products, wherein the preset time is 2 h to 6 h, water spraying time every time is 4 min to 10 min, and the water temperature is 15 DEG C to 23 DEG C; S3, cleaning and shelling, i.e. carrying out cleaning and shelling on the first bean sprout crude products to obtain second bean sprout crude products, wherein cleaning fluid is water of 10 DEG C to 15 DEG C; and S4, cooling, i.e. cooling the second bean sprout crude products by water of 5 DEG C to 10 DEG C to obtain bean sprouts. When the method provided by the invention is adopted, in the process of cultivating the bean sprouts, nutritional ingredients are lost a little, and the content of nutritional ingredients in the products, which are beneficial to human bodies, is high.
Owner:HUBEI YURUYI BUD TECH CO LTD

Dry heat type secondary fermentation method for planting agaricus blazei and dry heat type heating device

The invention provides a dry heat type secondary fermentation method for planting agaricus blazei and a dry heat type heating device. The dry heat type heating device is characterized in that the dry heat smoke and fire generated by a built-in range directly heat the culture medium in a mushroom house to complete the secondary fermentation method. The method comprises the following steps that: the built mushroom houses face south; in each mushroom house, 2 to 3 heating ranges are built, each range is arranged on the south of the mushroom house and between bed frames of two mushroom beds closer to the middle, and the range is 20 to 50cm away from the ends of the two bed frames; the ranges are heated after the culture medium is put on the mushroom beds in the mushroom house, the hot smoke directly enters the mushroom house for heating, when the temperature rises to be between 56 and 58 DEG C, the temperature is kept for 48 to 52 hours, and when the temperature drops to be between 40 and 45 DEG C, the temperature is kept for 72 to 120 hours; and the dry heat type heating equipment or device is a built-in range with a cylindrical range body, the range opening faces south, and a smoke-dispersing top cover is arranged above the hot smoke-discharging opening of the range body. The dry heat type heating device has the advantages of simple operation, short heating time, energy and labor conservation, small nutrient loss, a small number of ranges, low environmental pollution and the like.
Owner:INST OF SOIL & FERTILIZER FUJIAN ACADEMY OF AGRI SCI

Method for intercropping cultivation of acanthopanax sessiliflorus and ganoderma tsugae

The invention provides a method for intercropping cultivation of acanthopanax sessiliflorus and ganoderma tsugae. The method comprises the following steps: cultivating acanthopanax sessiliflorus seedlings to form a plurality of planting rows; and when the height of the acanthopanax sessiliflorus reaches 0.8m-1.0m, cultivating ganoderma tsugae hyphal fragments among the plurality of planting rows. The method adopts the process for intercropping cultivation of the acanthopanax sessiliflorus and the ganoderma tsugae, and the utilization rate of lands is improved, so that previous lands which are only used for cultivating the acanthopanax sessiliflorus are used for cultivating the acanthopanax sessiliflorus and the ganoderma tsugae at the same time, and the utilization rate of the lands is improved by one time. With the adoption of the method provided by the invention, the space utilization efficiency also can be effectively improved; and the acanthopanax sessiliflorus mainly grows in middle and upper spaces, and the ganoderma tsugae grows in a lower space, so that the acanthopanax sessiliflorus and the ganoderma tsugae are not influenced by each other in space, the cultivation space is utilized very well, and the same space has more output. The ganoderma tsugae cultivated by the method has a proper growth speed, a moderate size and good quality, and the content of effective nutritional ingredients is high, so that the method is a cultivation mode capable of protecting forest resources and improving the quality of ganoderma.
Owner:INST OF SPECIAL ANIMAL & PLANT SCI OF CAAS

Preparation method of diamond grinding wheel with orderly-arranged crystal orientation abrasives

The invention discloses a preparation method of a diamond grinding wheel with orderly-arranged crystal orientation abrasives. The preparation method comprises the following steps that a shape controlfilm is prepared by adopting a photoetching technology and adhered to the outer circumferential surface of a substrate, and diamond micro-powder is uniformly sprayed as diamond seeds for subsequent deposition; a layer of amorphous carbon is deposited on the diamond seeds by adopting an EACVD technology, and crystal orientation is performed on subsequently synthesized diamond abrasive particles; deposition parameters are adjusted, nucleation growth is performed on the abrasive particles to form diamond abrasive particles with {100} crystal surfaces as the top surfaces, {111} crystal surfaces asthe side surfaces and larger exposure heights, a micro grinding unit is formed by the diamond abrasive particles, the amorphous carbon and a diamond bonding layer, and a plurality of micro grinding units are orderly arranged according to a photoetching pattern of the shape control film; and the shape control film is removed through ultrasonic cleaning, gaps between a large number of micro grinding units are micro flow channels, and a grinding wheel finished product is obtained through drying. According to the preparation method, crystal orientation can be performed on the diamond abrasive particles, the abrasives can be arranged orderly, and the grinding performance of the grinding wheel is remarkably improved.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Dry heat type mushroom house or mushroom shed device for producing edible mushrooms

The invention discloses a dry heat type mushroom house or mushroom shed device for producing edible mushrooms. The device is characterized in that: the built mushroom house or mushroom shed has a north-orientated and south-facing structure; two longer sides of the mushroom house are positioned at a south position and a north position and are in the east-west direction; eight to ten mushroom beds are arranged in each mushroom house; two to four indoor heating stoves are built inside the mushroom house so as to form a built-in heating stove structure; each stove body has a vertically upright barrel structure; a heat exhaust gas outlet of the stove is communicated with the mushroom house; a stove opening of the stove is formed in a south-facing direction; the distance from the stove opening to a shed wall side on the south side is at least 20cm; a top cover capable of dispersing exhaust gas is arranged above the heat exhaust gas outlet of each stove; and a plurality of exhaust through holes are uniformly distributed at the heat exhaust gas outlet. When used for performing secondary fermentation or pasteurization and disinfection, the dry heat type mushroom house or mushroom shed device has the advantages of simple operation, short heating time, energy and labor conservation, capacity of sterilizing nuciform and other harmful bacteria, good sterilization and disinfection effect, small number of constructed stoves serving as mushroom house heating equipment, and contribution to improving and lightening environmental pollution.
Owner:INST OF SOIL & FERTILIZER FUJIAN ACADEMY OF AGRI SCI

Preparation method of diamond grinding wheel with orderly arrangement of crystal oriented abrasives

The invention discloses a method for preparing a diamond grinding wheel in which crystalline directional abrasives are arranged in an orderly manner. The shape-controlled thin film is prepared by photolithography technology, and it is pasted on the outer peripheral surface of the substrate, and the diamond powder is evenly sprayed as the diamond seed for subsequent deposition; a layer of amorphous carbon is deposited on the diamond seed by EACVD technology, which is the diamond for subsequent synthesis. Crystal orientation of the abrasive grains; adjusting the deposition parameters, the abrasive grains nucleate and grow, forming diamond abrasive grains with {100} crystal planes on the top surface, {111} crystal planes on the side surfaces, and a large edge height. The bonding layer constitutes a micro-grinding unit, and multiple micro-grinding units are arranged in an orderly manner according to the photolithographic pattern of the shape-controlling film; the shape-controlling film is removed by ultrasonic cleaning, and the gaps between a large number of micro-grinding units are micro-flow channels. Dry to get the finished grinding wheel. The invention can carry out crystal orientation on the diamond abrasive grains, and enables the orderly arrangement of the abrasive grains, thereby remarkably improving the grinding performance of the emery wheel.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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