90results about How to "Short weight" patented technology

The invention provides a self-excitation drive and demodulation device for a microelectron-mechanical gyro (MEMS GYRO), which is a system that can be used for realizing the self-excitation drive and angular velocity demodulation of the microelectron-mechanical gyro. The device mainly comprises an input signal interface circuit, a singlechip chip, an upper computer communication module, an angular velocity display module and an automatic gain feedback module. A loop acquires vibration displacement voltage signals of a drive mass block and a detection mass block of the microelectron-mechanical gyro by the input signal interface circuit; the singlechip chip extracts and generates a gain control signal respectively by amplitude and an automatic gain control algorithm, and transmits the gain control signal to an automatic gain control system; the automatic gain control system generates a variable voltage according to the gain control signal and a drive displacement signal transmitted by the input signal interface circuit, feedbacks the variable voltage to a drive end of the gyro so as to realize the adjustment on a driving signal of the gyro, and calculates the input angular velocity inside the singlechip simultaneously. The device realizes the integrated design of the self-excitation drive and angular velocity demodulation of the microelectron-mechanical gyro, reduces the volume and weight of the microelectron-mechanical gyro, and reduces the power consumption.

The invention relates to a preparation method of pleurotus abalonus culture nourishment, which comprises the following components by weight percent: 32-45 of cotton seed hulls, 25-40 of bran, 12-19 of wood chips, 3.6-6.7 of corn flour, 3.5-4 of corn cobs, 0.5-1 of bean cake meal, 0.5-1 of beanstalk meal, 1.7-2 of colza cakes, 0.1-0.3 of oxygenation powder, 0.1-0.3 of calcium carbonate, 0.1-0.3 of bitter salt and 0.5-0.8 of monopotassium phosphate. The cotton seed hulls, the bran, the wood chips, the corn flour, rice bran meal, the corn cobs, the bean cake meal, the beanstalk meal and the colza cakes are combined together in proportion and are poured into a pulverizeer to be pulverized to be granules of about 160 meshes, after the granules are taken out, the oxygenation powder, the calcium carbonate, the bitter salt and the monopotassium phosphate are added in proportion, then the mixture is poured into the pulverizer to be pulverized for 60 min and then is taken out, water is added to the mixture in the proportion of 1:1.8, and then certified culture nourishment is obtained after all materials are piled in a fermentation tank, tightly covered by plastic cloth, compacted and fermented for 72 hours.

The invention relates to a preparation method of a Hypsizigus marmoreus cultivation material. The Hypsizigus marmoreus cultivation material is prepared by the following components by the weight percent: 32-45 of wood flour, 25-40 of mill offals, 12-19 of corn cob, 3.6-6.7 of corn meal, 3.5-4 of rice bran meal, 0.5-1 of wheat straw meal, 1.7-2 of white sugar, 0.5-1 of lime, 0.1-0.3 of gypsum, 0.1-0.3 of superphosphoric calcium carbonate, 0.1-0.3 of brown sugar, and 0.5-0.8 of magnesium sulfate. The wood flour, the mill offals, the corn cob, the corn meal, the rice bran meal, the wheat straw meal and the white sugar are combined together according to the weight percent to be put into a crushing machine to be crushed into mixture with 120 meshes of particles, the mixture is taken out, the lime, the gypsum, the superphosphoric calcium carbonate, the brown sugar and the magnesium sulfate are added to the mixture in proportion, all the new mixture is poured into a stirring machine to be stirred for 65 minutes and then taken out, water is added to the mixture according to the proportion of 1:1.3-1:1.5, and the mixture is blended and then put in a fermenting tank to be piled in stacks, covered with plastic cloth, compacted and fermented for 68 hours to obtain the qualified cultivation material.

This invention relates to endless tracks and systems used to propel track laying vehicles [i.e., vehicles which use endless tracks rather than tires to contact the terrain over which they are driven, e.g., tractors, tanks, bulldozers, etc.] and, more particularly, to an improved rubber track design and system allowing the endless track to be driven more efficiently at highway speeds. The track is made from a polymer adapted to travel over a drive sprocket, a plurality of guide wheels and a tensioning wheel, the track having a first exterior ground engaging surface and a second interior drive sprocket engaging surface, the track comprising: a carcass portion in which reinforcements are embedded into the polymer; a plurality of tread lugs disposed on the first engaging surface; a plurality of drive lugs disposed on the second engaging surface and a plurality of guide horns disposed on the second engaging surface.

The invention discloses a preparation method of straw mushroom compost, which comprises the following components according to the weight percent: 35-55 of cob, 25-45 of cotton seed hull, 10-16 of bean cakes, 1.5-2 of dry dairy manure, 0.5-1 of rice chaff, 0.5-1 of lime, 0.5-1 of plaster, 1.5-2 of soya bean stem meal, 0.1-0.3 of oxygen enriching powder, 0.1-0.3 of nitrogen- phosphor-potash complex fertilizer, 0.1-0.3 of Terramycin and 0.5-0.8 of ordinary superphosphate. The preparation method comprises the following steps: combining the cob, the cotton seed hull, the bean cakes, the dry dairy manure, the rice chaff and the soya bean stem meal together according to the weight percent and pouring the same into a grinder to be ground into a mixture with the granule of about 130mu, taking out the mixture, and adding the lime, the plaster, the oxygen enriching powder, the nitrogen serial phospho potash complex fertilizer, the Terramycin and the ordinary superphosphate into the mixture and then pouring the new mixture into a stirrer to be stirred for 40min, and then taking out the stirred mixture, adding water to the stirred mixture according to the proportion of 1:1.1-1:1.2, stirring and stacking the mixture to ferment for 8h to obtain the qualified compost.

The invention relates to a preparation method of tricholoma giganteum massee compost which comprises the following components according to the weight percent: 32-45 of pure straw powder, 25-40 of bran, 12-19 of dried dairy manure, 3.6-6.7 of corn flour, 3.5-4 of rice bran powder, 0.5-1 of bean cake powder, 1.7-2 of rape seed cake, 0.5-1 of white sugar, 0.1-0.3 of plaster, 0.1-0.3 of calcium carbonate, 0.1-0.3 of sanmate and 0.5-0.8 of monopotassium phosphate. The preparation method comprises the following steps: combining the pure straw powder, the bran, the dried dairy manure, the corn flour, the rice bran powder, the bean cake powder and the rape seed powder together according to a certain proportion; pouring into a mixing machine to be ground into grains of about 100mu; adding the white sugar, the plaster, the calcium carbonate, the sanmate and the monopotassium phosphate according to a certain proportion after taking out; adding water according to the proportion of 1:1.5-1:1.8 and uniformly mixing, placing into a fermentation tank and piling up, covering by plastic cloth, and pressing and fermenting for 48h so that the qualified compost is prepared.

The invention relates to a preparation method of nameko nutriments. The nameko nutriments comprise the following components by weight percentage: 35-55 of rice bran, 25-45 of cotton seed hull, 10-16 of corncob, 1.5-2 of bean cake, 0.5-1 of wheat bran, 0.5-1 of corn flour, 0.5-1 of plaster, 1.5-2 of beanstalk, 0.1-0.3 of oxygen enriched powder, 0.1-0.3 of nitrogen-phosphorus-potassium compound fertilizer, 0.1-0.3 of carbendazol and 0.5-0.8 of calcium superphosphate. The preparation method of the nameko nutriments comprises the following steps: combining rice brans, cotton seed hulls, corncobs, bean cakes, wheat brans, corn flours and beanstalks together in proportion, pouring the mixture into a pulverizer, pulverizing the mixture into particles of about 80 meshes, taking out the particles, adding plaster, oxygen enriched powder, nitrogen-phosphorus-potassium compound fertilizer, carbendazol and calcium superphosphate in proportion, pouring the mixture into a stirrer, stirring the mixture for 35 minutes, adding water in the proportion of 1:1.1-1:1.3, uniformly stirring the mixture, stacking the mixture, fermenting for 6 hours and obtaining the qualified nameko nutriments.

The invention relates to a preparation method of a mushroom cultivation material. The mushroom cultivation material is prepared by the following components by the weight percent: 35-55 of cottonseed husk, 25-45 of rice bran, 10-16 of mill offals, 1.5-2 of bean cake, 0.5-1 of brewers grain, 0.5-1 of peanut shell, 0.5-1 of gypsum, 1.5-2 of sorghum husk, 0.1-0.3 of carbendazim, 0.1-0.3 of nitrogen-phosphorus-potassium compound fertilizer, 0.1-0.3 of oxygen-increasing powder and 0.5-0.8 of corn flour. The cottonseed husk, the rice bran, the mill offals and the bean cake are combined together according to the weight percent and poured into a crushing machine to be crushed into mixture with 120 meshes of particles, the mixture is taken out, the brewers grain, the peanut shell, the gypsum, the sorghum husk, the carbendazim, the nitrogen-phosphorus-potassium compound fertilizer, the oxygen-increasing powder and the are added to mixture according to the weight percent, the new mixture is poured into a stirring machine to be stirred for 60 minutes and then taken out, water is added to the mixture according to the proportion of 1:1.3-1:1.5, and the mixture is evenly blended and piled in stacks to be fermented for 6 hours to obtain the qualified cultivation material.

The invention relates to a preparation method of a hickory chick culture substance which comprises the following components by weight percent: 30 of cotton seed hulls, 9 of fowl dung, 6 of bran, 6 of sheep droppings, 3 of wooden meal, 5 of corn flour, 8 of corncobs, 9 of bean cake meal, 3 of beanstalk powder, 6 of rape cake, 6 of oxygenation powder, 3 of calcium carbonate, 4 of bitter salt and 2 of monopotassium phosphate. The preparation method comprises the following steps: the cotton seed hulls, the fowl dung, the bran, the sheep droppings, the wooden meal, the corn flour, the rice bran powder, the corncobs, the bean cake meal, the beanstalk powder and the rape cake are combined together in proportion and are poured into a pulverizer to be pulverized into granules of about 180 meshes, the granules are taken out and are poured into a stirring mill for stirring for 80min after being added with the oxygenation powder, the calcium carbonate, the bitter salt and the monopotassium phosphate in proportion, then the mixture is added with water to be evenly stirred in the proportion of 1:1.5 in proportion and is put in a fermenting tank to be piled, is covered by plastic cloth tightly and pressed solidly and is fermented for 72 hours to form the certified culture substance.

The invention relates to a needle mushroom needle mushroom proportioning material which comprises the following components in percentage by weight: 35-55% of maize cob meal, 25-45% of wheat bran, 10-16% of maize flour, 1.5-2% of peanut shell, 0.5-1% of superphosphate, 0.5-1% of white sugar, 0.5-1% of plaster, 1.5-2% of lime, 0.1-0.3% of somatotropin, 0.1-0.3% of calcium carbonate, 0.1-0.3% of trichlorfon and 0.5-0.8% of glucose powder. The qualified proportioning material is prepared by the following steps of: preparing the maize cob meal, the wheat bran, the maize flour and the peanut shell according to the ratio; mixing together; pulverizing into particles with about 80 meshes by using a pulverizer; taking out and then adding the superphosphate, the white sugar, the plaster, the lime, the somatotropin, the calcium carbonate, the trichlorfon and the glucose powder according to the ratio; then stirring for 60min in a stirrer and taking out; adding water according to the ratio of 1:1.2-1:1.5, uniformly stirring and piling up; covering with plastic cloth or other objects tightly and fermenting for 22h to obtain the qualified proportioning material.

The invention relates to a preparation method of oyster mushroom compost which comprises the following components according to the weight percent: 35-55 of cotton seed hull, 25-45 of corn cob, 10-16 of rice bran, 1.5-2 of corn, 0.5-1 of carbamide, 0.5-1 of ordinary superphosphate, 0.5-1 of plaster, 1.5-2 of lime, 0.1-0.3 of carbendazim, 0.1-0.3 of NPK complex fertilizer, 0.1-0.3 of oxygen enriching powder and 0.5-0.8 of mepartricin. The preparation method comprises the following steps: combining the cotton seed hull, the corn cob, the rice bran and the corn together according to a certain proportion, pouring the otton seed hull, the corn cob, the rice bran and the corn into a grinder to be ground into grains with about 100mu; adding the carbamide, the ordinary superphosphate, the plaster, the lime, the carbendazim, the NPK complex fertilizer, the oxygen enriching powder and the mepartricin into mixture after being taken out of the grinder according to a certain proportion and then pouring into a mixer for being mixed for 35min to be taken out; adding water according to the proportion of 1:1.1 to 1:1.3, uniformly mixing, piling up to ferment for 4h, and obtaining the qualified compost.

The invention relates to a method for preparing auricularia polytricha culture material, needing the following materials by the weight percent: 35-55 of cotton seed hulls, 25-45 of rice bran, 10-16 percent of mixed wood dust, 1.5-2 percent of corn cob, 0.5-1 of straw, 0.5-1 calcium superphosphate, 0.5-1 of plaster, 1.5-2 of beanstalk powder, 0.1-0.3 of oxygen increasing powder, 0.1-0.3 of nitro-phosphor-potash compound fertilizer, 0.1-0.3 of mold resisting liquid and 0.5-0.8 of calcium superphosphate. The method for preparing auricularia polytricha culture material comprises the following steps: the cotton seed hulls, the rice bran, the mixed wood dust, the corn cob, the straw and the beanstalk powder are taken according to the weight percent, mixed together and poured into a pulverizer to be pulverized into mixture with granules of about 80 meshes; the mixture is taken out; the superphosphate, the plaster, the oxygen increasing powder, the nitro-phosphor-potash compound fertilizer, the mold resisting liquid and the calcium superphosphate are added to the mixture; the new mixture is poured into a stirrer to be stirred for about 70 min; the stirred mixture is taken out and then put into a fermentation tank; water is added to the stirred mixture at the ratio of 1:1.2-1.3; and the stirred mixture is stirred again and stacked; and the stacked mixture is sealed by a thick plastic film to be fermented for 10-12h, therefore, the qualified auricularia polytricha culture material is prepared.

The invention relates to a preparation method of Tricholoma lobayense Heim culture material. The culture material is composed of the components in percentage by weight: corn cob powder, sorghum sweetmeat cake powder, dry sheep feces, wheat bran, potassium fertilizer, maize meal, gypsum, table salt, omethoate, yeast powder, procymidone and light calcium carbonate. The culture material is low in expense, easy in material obtaining, and simple in formula and preparation method; a great deal beneficial microorganisms generated from the components and the granular organic fertilizer in the components can meet the growth and development demands of Tricholoma lobayense Heim, the produced Tricholoma lobayense Heim is large in size, enough in weight, high in growth speed, and the grown Tricholoma lobayense Heim is white and tender, delicious in taste and rich in nutrients. The yield is increased, and the defects that the Tricholoma lobayense Heim is small in size, light in weight, slow in growth, and easy in warping and occurrence of spot disease are solved.

The invention discloses a rapid cooling type aircraft ground air conditioning unit and a control method of the rapid cooling type aircraft ground air conditioning unit. The highest cooling speed and the largest cold quantity input improve the rapid cooling and cold supplying capacity of the aircraft ground air conditioning unit, processed fresh air with a certain flow, cleanliness, proper temperature and high hydrostatic pressure is provided rapidly for an aircraft, the fresh air is fed to a cabin of the aircraft through a special air feeding hose, the fastest and best cooling effect is achieved for the cabin of the aircraft which stops at an aircraft boarding bridge for a short time, physiological requirements of staff in the cabin of the aircraft are met, high comfort level is achieved, the cooling requirements of precision devices in the cabin are met, a comfortable environment is provided for the staff in the cabin and aircraft operators, the metal state of the aircraft operators is improved, and the safety of driving the aircraft is improved. Meanwhile, fuel consumption produced when the aircraft waits on the ground is reduced, the service life of a self-matched expensive air conditioning system of the aircraft is prolonged, the pollution to air environment of an airport is reduced, and high economic and social benefits are achieved.

The invention is a kind of acantha pouring stake constructing technology and the forming machine, it provides a new stake shape and the constructing device. The stake is distributed with acanthas all around; the stake end resistance pressure are increased greatly, the stake side resistance pressure are increased too, thus it changes the stress mechanism of stake body, upgrades the bearing ability of stake. The forming machine is made up of six special hydraulic cylinder and the end cap; two cylinders makes up a group, they are combined up and down, and placed in reversal; three groups of hydraulic cylinder are place transversely with 60 degrees, and they are connected with bolt. When in work, the forming machine are operated, the piston pole extrudes out, the end cap squeezes the stake hole wall, it can squeeze out six acanthas spaces; adjusts the position vertically, and repeats the squeezing action, thus there will has many stake acanthas spaces. Cleans the hole ad puts down the bar cage, and pours the concrete and gets the stake.

The invention relates to a mixed flow injection device, in particular to a multiplex compound ejector which comprises a forestage compound annular ejector, a middle ejector and a rear-stage main ejector. The middle ejector is coaxially arranged in the compound annular ejector, incoming ends of the middle ejector and the compound annular ejector share a main fluid inlet pipe, and the main ejector is arranged behind the compound annular ejector and the middle ejector and concentrically connected with the compound annular ejector and the middle ejector in series to achieve integral butt joint. The multiplex compound ejector solves the technical problem that the existing ejector is simple in structure, low in ejection efficiency and insufficient in flow, and is compact in size, light in weight, high in volley rate and good in perform during mass flow.

The invention relates to Hypsizigus marmoreus compost, which consists of the following substances in percentage by weight: 32 to 45 percent of cotton seed hull, 25 to 40 percent of straw, 12 to 19 percent of bran, 3.6 to 6.7 percent of sorghum meal, 3.5 to 4 percent of soybean flour, 0.5 to 1 percent of wheat meal, 1.7 to 2 percent of brown sugar, 0.5 to 1 percent of lime, 0.1 to 0.3 percent of gypsum, 0.1 to 0.3 percent of ammonium bicarbonate, 0.1 to 0.3 percent of oxygenation powder and 0.5 to 0.8 percent of yeast powder. A preparation method of the Hypsizigus marmoreus compost comprises the following steps of: combining the previous seven substances together, pulverizing the substances into about 100-mesh granules by using a pulverizer, taking the granules out, adding the lime, the gypsum, the ammonium bicarbonate, the oxygenation powder and the yeast powder in proportion, stirring the mixture in a stirrer for 60 minutes, taking the stirred mixture out, adding water in a ratio of 1:1.2-1:1.4, stirring uniformly, putting the mixture in a fermentation pond for stacking, covering the mixture tightly by using plastic cloth, compacting and fermenting for 64 hours to prepare the qualified compost.

The invention relates to a drumstick mushroom cultivation materials, comprising the following components in percentage by weight: 35-55% of broad-leaved tree sawdust, 25-45% of straw, 10-16% of dried horse manure, 1.5-2% of wheat straw powder, 0.5-1% of urea, 0.5-1% of oxygen increasing powder, 0.5-1% of plaster, 1.5-2% of lime, 0.1-0.3% of dipterex, 0.1-0.3% of yeast powder, 0.1-0.3% of mepartricin liquid, and 0.5-0.8% of calcium carbonate. The invention is produced by the following steps: mixing broad-leaved tree sawdust, straw, dried horse manure and wheat straw powder in proportion; placing the mixture in a grinder to obtain particles in about 120 mu; adding urea, oxygen increasing powder, plaster, lime, dipterex, yeast powder, mepartricin liquid and calcium carbonate in proportion after taking out; pouring into a mixer for stirring for 70 minutes; and adding water in proportion of 1.3:1.8, stirring uniformly, piling up and fermenting for 6-10 days to obtain qualified cultivation materials.

The invention discloses a grifola frondosa culture material which is composed of the following components in percentage by weight: 45-55% of sawdust powder, 4-12% of wheat bran powder, 3-9% of broomcorn powder, 4-12% of wheat straw powder, 3-9% of rice bran powder, 8-12% of dried poultry litter, 3-11% of dry sheep manure, 1-3% of organic complex fertilizer, 0.5-1% of gypsum, 0.5-1% of white sugar, 0.5-1% of carbendazim and 0.5-1% of superphosphate. According to the ratio, the sawdust powder, the wheat bran powder, the broomcorn powder, the wheat straw powder, the rice bran powder, the dried poultry litter and the dry sheep manure are totally combined; after being poured into a grinder, the mixture is smashed into particles with the grain size of about 140 meshes; after the particles are taken out, the organic compound fertilizer, the gypsum, the white sugar, the carbendazim and the superphosphate are added according to the ratio and are poured into the stirrer to be stirred for 90 minutes; and after the stirred materials are taken out, water is added to be stirred evenly with the materials, and then the mixture is piled up to be fermented for 8 hours to obtain the qualified culture material, wherein the ratio of the stirred materials to the water is 1:1.5-1:1.8.

This invention relates to endless tracks and systems used to propel track-laying vehicles [i.e., vehicles which use endless tracks rather than tires to contact the terrain over which they are driven, e.g., tractors, tanks, bulldozers, etc.] and, more particularly, to an improved rubber track design and system allowing the endless track to be driven more efficiently at highway speeds. The track is made from a polymer adapted to travel over a drive sprocket, a plurality of guide wheels and a tensioning wheel, said track having a first exterior ground engaging surface and a second interior drive sprocket engaging surface, said track comprising: a carcass portion in which reinforcing means are embedded into said polymer; a plurality of tread lugs disposed on said first engaging surface; a plurality of drive lugs disposed on said second engaging surface and a plurality of drive horns disposed on said second engaging surface.

The invention relates to a preparation method of hedgehog hydnum mushroom compost which comprises the following components according to the weight percent: 35-55 of cotton seed hull, 25-45 of corn cob, 10-16 of bran, 1.5-2 of bean cake, 0.5-1 of sugar, 0.5-1 of potassium phosphate fertilizer, 0.5-1 of plaster, 1.5-2 of potassium permanganate, 0.1-0.3 of sanmate, 0.1-0.3 of NPK compound fertilizer, 0.1-0.3 of oxygen increasing powder and 0.1-0.3 of mepartricin. The preparation method comprises the following steps: combining the cotton seed hull, the corn cob, the bran and the bean cake together according to a certain proportion; pouring into a grinder to be ground into grains of about 120mu; adding the sugar, the potassium phosphate fertilizer, the plaster, the potassium permanganate, the sanmate, the NPK compound fertilizer, the oxygen increasing powder and the mepartricin according to a certain proportion after taking out, then pouring into a mixer to be mixed for 60min, and taking; adding water according to the proportion of 1:1.3-1:1.5, uniformly mixing and piling up, and fermenting for 6h, thereby obtaining the qualified compost.

The invention relates to a heat insulation building material which comprises the following raw materials by mass percent: 20-40% of fine sand, 30-50% of cementing material, 10-40% of heat insulation material, 10-30% of mineral admixture and 5-10% of other auxiliary materials. A production technology of the heat insulation building material comprises the steps of mixing and stirring a shell cementing material, producing foam concrete, cutting and fixing the foam concrete and a heat insulation core body of a polystyrene foam plastic board, pouring, vibrating and molding shell slurry, and maintaining building blocks. The heat insulation building material can be used for replacing a great deal of solid clay bricks, thus saving a great deal of energy and land for China, being capable of consuming a great deal of industrial solid wastes and being beneficial to the environmental protection. The produced construction product has the excellent characteristics of being good in heat insulation property, light in self weight, high in strength, waterproof, impervious, low in shrinking percentage, long in service life, simple in construction and the like, thus being beneficial to the development of building energy conservation.

The invention relates to a preparation method of Agaricus bisporus culture materials. The Agaricus bisporus culture materials consist of rape stalk powder, cotton seed hull powder, corncob powder, sweet potato stem powder, cane sugar, calcium sulfate, gypsum, broad-leaf tree sawdust, dipterex, compound fertilizers, maleic hydrazide and polyoxin. The cost of the culture material is low, the raw materials are easy to obtain, the formula and the preparation method are simple, a large quantity of beneficial microorganisms and particle organic fertilizers in the culture materials can meet the growth and development demand of Agaricus bisporus, the size of the produced Agaricus bisporus is large, the weight is great, the growth speed is rapid, the grown Agaricus bisporus is pure white and tender and tastes fresh, the nutrients are rich, and not only can the yield be increased, but also the defects of small Agaricus bisporus size, light weight, slow growth speed and high incidence of diseases are overcome.

The invention provides roadway advanced supporting supports capable of assisting machinery to move. The roadway advanced supporting supports capable of assisting the machinery to move solve the problems that repeated supporting, complex operation and low working efficiency in the prior art for a floppy coal top roadway and a long-distance advanced supporting roadway. The roadway advanced supporting supports capable of assisting the machinery to move comprise advanced supporting supports which are composed of top beams, bases, and hydraulic upright columns which are connected between the top beams and the bases in a hinge joint mode and an auxiliary moving mechanism. The roadway advanced supporting supports capable of assisting the machinery to move are characterized in that the lower portions of the two hydraulic upright columns which are connected on one base in a hinge joint mode are fixed together through a fastening support, the lateral end of each top beam is connected with a top protective plate in a hinge joint mode through a telescope hydraulic cylinder, the two advanced supporting supports are a set in parallel in a transverse mode, a plurality of sets of advanced supporting supports are longitudinally continuously arranged along a roadway, and therefore supporting to a top plate is formed; and moving support mechanical arms are arranged between a set of two advanced supporting supports to be moved, are matched with a transport cart, and move each advanced supporting support along the roadway in a longitudinal sequence. The roadway advanced supporting supports capable of assisting the machinery to move are reasonable in structure and design, stable in supporting, convenient to operate, safe to use, and capable of reducing the effect of advanced supporting operation to working face coal mining production.

The invention discloses a movable fabricated independent steel box foundation comprising a box column, four steel I-beams and steel plates. The box column are fixedly connected with the steel I-beams, the steel plates are connected with the box column and the steel I-beams respectively to form an integral external enclosure structure, and lifting lugs at four corners of the steel box foundation are connected with the steel plates. A hole which can be opened and closed randomly is reserved in each steel plate, and counter weights can be added into and removed from a steel box to the benefit of movement. Height of the box column can be determined according to buried depth of the foundation, and the four steel I-beams are connected into a cross. The movable fabricated independent steel box foundation is suitable for temporary lightweight steel construction buildings or lightweight steel constructions with foundations capable of being moved according to requirements. Compared with a reinforced concrete foundation, the movable fabricated independent steel box foundation comprising a box column is simple to produce, free of supporting plates, short in construction period, light in dead weight, convenient to lift and move, reusable and capable of avoiding waste, lowering cost and saving resources, and plays a positive role in environmental protection.

The invention provides a deep groove ball bearing with wave-shaped retainers with oil holes and a machining method, and relates to the field of bearing retainers. The invention aims to solve the problem that there is a lack of methods to improve deep groove ball bearing lubricating condition by changing the structure of the deep groove ball bearing in the prior art. Each wave-shaped retainer is ofa circular ring structure and is composed of two wave-shaped half-retainer, a plurality of pocket holes are formed in the circumferential direction in each wave-shaped half-retainer, the two wave-shaped half-retainers are buckled, the steel balls are arranged in the pocket holes of the two wave-shaped half-retainers, and a through oil hole is formed in the bottom of each pocket hole of each wave-shaped half-retainer and is used for reducing the sliding friction and impact of the steel ball and the pocket hole.

The invention relates to an in-situ quick precooling machine for fruits. The in-situ quick precooling machine for fruits comprises a box body, a refrigerating device, a dehumidifying device, a controldevice and a sterilizing device, wherein a precooling chamber and a refrigerating chamber are arranged in the box body; the refrigerating device comprises a compressor, a condenser, a liquid storingdrum and an evaporator sequentially connected by pipelines; the compressor, the condenser and the liquid storing drum are arranged in the refrigerating chamber; the evaporator is arranged in the precooling chamber; the evaporator comprises evaporating finned tubes and fans; the dehumidifying device comprises an electric heater and a water discharge valve; the electric heater is arranged on one side of the evaporating finned tubes; the water discharge valve is arranged at the bottom of the precooling chamber; and the sterilizing device is arranged in the precooling chamber. The in-situ quick precooling machine for fruits has high refrigerating speed, has dehumidifying and sterilizing functions, can effectively maintain the after-harvest quality of berries, and is light in weight of completemachine and convenient to carry and move in the field.

The invention relates to a preparation method of tea salami mushroom supplementary nourishment, which is composed of: broad-leaved sawdust powder, cottonseed hull powder, corncob powder, bran powder, organic salt, milk powder, safflower powder, peanut cake powder, cod liver oil powder, soybean protein powder, honeysuckle stem and leaf powder, and spaghetti powder, and the stated percentages are percentages by weight; a large number of beneficial microorganisms produced in the ingredients and the granular organic fertilizer in the ingredients can meet the growth and development needs of A. Tea mushrooms are big, heavy, and fast growing. The tea mushrooms grown are tender, delicious, and rich in nutrition, which effectively overcomes the small size and small clusters of tea mushrooms that are easily caused by the lack of various nutrients. , light weight, slow growth, prone to disease defects.

The Ka-band dual-mode airborne broadband satellite communication system disclosed by the invention is wide in beam scanning range and high in satellite capturing speed, and is realized through the following technical scheme: an antenna control management unit performs information interaction with a modulation and demodulation management unit according to parameters input by an aircraft inertial navigation system, controls a beam tracking satellite alignment process and beam capturing, and performs satellite tracking and satellite capturing; the satellite is locked, forward channel and backward channel information is obtained, and satellite capturing and satellite alignment of the antenna are completed; the airborne phased-array antenna cooperates with the modulation and demodulation management unit to establish channel connection with a master station to complete network access, the modulation and demodulation management unit receives IP data from the access Internet, carries out framing, coding, modulation, encryption and protocol processing, converts the IP data into intermediate frequency signals, and sends the intermediate frequency signals to the master station. The signal is converted into a Ka satellite radio frequency signal through a built-in Ka up-conversion module of the airborne phased-array antenna housing for emission; and the modulation-demodulation management unit receives a downlink Ka satellite radio frequency signal, the downlink Ka satellite radio frequency signal is converted into an intermediate frequency signal through a Ka down-conversion module arranged in the airborne phased-array antenna housing, the intermediate frequency signal is sent to the modulation-demodulation management unit to recover an IP data stream, the IP data stream is sent to an airborne user through a passenger cabin wireless local area network, and the communication service of the airborne Ka broadband satellite communication system is realized.