211results about How to "Heavy" patented technology

The invention discloses a charge-discharge battery pack equilibrium management system which comprises N batteries, N-1 lossless equilibrium charge-discharge circuits, a signal acquisition circuit, a master control unit and a drive circuit, wherein each lossless equilibrium charge-discharge circuit comprises an energy storage inductor, an energy storage capacitor, a first semiconductor switch device and a second semiconductor switch device and is characterized in that the energy storage capacitor is connected in series between a switch back end of the first semiconductor switch device and a switch front end of the second semiconductor switch device. The charge-discharge battery pack equilibrium management system has the obvious effects that the capacitor in the equilibrium mode plays a role of energy transfer, which reduces the power consumption, has more advantages in volume and weight, and has stronger mechanical impact resistance. The charge-discharge battery pack equilibrium management system realizes the energy equilibrium of batteries, dispensing with a complicated energy transfer device, and has the advantages of simple structure, easy realization and convenient maintenance and expansion.

The invention discloses a micro-accelerometer and a preparation method thereof, belonging to the technical field of processing micro inertia devices. The micro-accelerometer is arranged on a package substrate which is formed by stacking an upper surface plate, a lower surface plate and a plurality of middle substrates, wherein a signal detection circuit of the micro-accelerometer is attached on the upper surface plate; a sensitive element of the micro-accelerometer is embedded in the middle substrates, i.e. the middle substrates with cavities form a frame of the sensitive element; a flexible hanger and a sensitive mass block of the sensitive element are arranged in the cavities, and one end of the flexible hanger is connected with the sensitive element, while the other end is fixed on the frame; metal electrodes are respectively sputtered on the sensitive mass block and the surface of the frame corresponding to the sensitive mass block so as to form a flat plate sensitive capacitor, or a metal piezoresistive thick-film pattern is deposited at a connecting part of the flexible hanger and the inner side surface of the frame so as to form a metal piezoresistive strain gauge. The micro-accelerometer has high sensitivity and high-temperature resistance and can be fused into a whole with a system level package substrate, thus the micro-accelerometer has low processing difficulty and cost.

The invention discloses a light-free T-shaped stitch for embroidery and an embroidering method. At least three layers of embroidering stitches are embroidered from top to bottom on the front face of an embroidered cloth through an embroidering needle and an embroidering thread, wherein each layer of embroidering stitches is formed by adjacently arranging a group of T-shaped embroidering stitch units with stitches having approximately the same length on the front face of the embroidered cloth; when any T-shaped embroidering stitch unit serves as a standard, the tightly adjacent T-shaped embroidering stitch units around the T-shaped embroidering stitch unit are arranged at angles; the lengths of needle feet of the T-shaped embroidering stitch units in each layer of embroidering stitches aregradually reduced from top to bottom; the stitch of the T-shaped embroidering stitch units consists of first needle feet and second needle feet; the first needle feet and the second needle feet are arranged in a shape of 'T' on the front face of the embroidered cloth; an included angle between the first needle feet and the second needle feet is in a range of between 60 and 90 degrees in the shapeof 'T'; and the ratio of the length of the first needle feet to the length of the second needle feet is in a range of between 1:0.7 and 1:1.3. The problem that faces and limbs of characters reflect light because of inherent thread light and thread textures of silk threads is solved through the T-shaped stitch and the embroidering method, so breakthrough and innovation are made in Suzhou (a province in China) embroidery in the embroidering method for portraits.

The invention discloses a production method of a high-strength, high-conductivity and heat-resistant copper alloy, and belongs to the technical field of copper alloy machining. Accoding to the production method of high-strength, high-conductivity and heat-resistant copper alloy, the inner liner of a crystallizer adopted in the upper-induced continuous casting process is a carbon-carbon composite material so as to ensure the lubrication, high heat conduction and high temperature resistance properties; the temperature of the upper-induced continuous casting is 1180-1230 DEG C, the casting temperature is low so that the problem that molten liquid in the crystallizer is difficult to solidify and the crystallizer inner liner is worn during casting can be effectively avoided; the pressure of protective gas nitrogen in the liquid surface of an upper-induced furnace is controlled to be 0.2-0.7 atmosphere, so that the phenomenon of solid-liquid interface separation in the crystallizer is avoided, and a copper-chromium alloy product with larger weight and length is produced; according to the production method of the high-strength, high-conductivity and heat-resistant copper alloy, the cheapelement (Mg) is used for replacing the rare noble metal, and the mechanical property and the softening resistance property of the copper-chromium alloy are improved; and the production method is a non-vacuum and short-process preparation technology, the cost is low, and the production method is suitable for large-scale industrial production and has important economic and social significances.

The invention discloses hypsizigus marmoreus compost and a preparation method thereof. The preparation method comprises the following steps of: mixing rice bran meal, wood dust, bran, corncob and cottonseed hull at a ratio; pouring the mixture into a crashing machine to crash into particles with the size of being about 120 meshes; then adding plaster powder and lime powder into a stirring machine to stir for 65 min; properly adding water until the water content is 64-66 percent, and sterilizing, wherein the water content of the mixture is 63-65 percent after the mixture is sterilized, and a pH value of the mixture is 5.5-7.5 after the mixture is sterilized. The growth and development requirements of the hypsizigus marmoreus can be met though a great amount of beneficial microorganisms and particle organic fertilizer which are generated by the hypsizigus marmoreus compost. The produced hypsizigus marmoreus has advantages of large size, enough weight and rapid growth speed. The hypsizigus marmoreus grown by using the hypsizigus marmoreus compost is rich in nutrition, pure write, tender and delicious in taste.

The invention provides an unmanned aerial vehicle emergency rescue high-altitude base station comprising a bearing platform, a wireless communication system and a backhaul device, wherein the bearing platform is an unmanned aerial vehicle, the wireless communication system and the backhaul device are connected with each other and are loaded on the mooring unmanned aerial vehicle, the wireless communication system comprises a RRU module communication device and an antenna, the RRU module communication device is in wireless connection with a user through the antenna, the backhaul device comprises a BBU module communication device and a backhaul system, The RRU module communication device establishes a data transmission connection with the BBU module communication device, and the BBU module communication device is in data transmission connection with a machine room PTN through the backhaul system. The unmanned aerial vehicle emergency rescue high-altitude base station has the advantages of low cost, simple operation, large bearing capacity, long air residence time and high environmental adaptability. The unmanned aerial vehicle emergency rescue high-altitude base station can quickly rise in hash environments, quickly start a communication station and can perform remote operation. The unmanned aerial vehicle emergency rescue high-altitude base station serves as an emergency communication station to meet different emergency relief scenarios, such as emergency relief, security anti-terrorism, hot spot coverage and other communication needs.

The invention belongs to a detecting device for electric equipment, in particular to an electrical insulator fault detector and a detecting method thereof which can be applied to the local discharge detection for electric equipment, the discharge detection for corona and the discharge detection for a high-pressure switch. The detector comprises a main bracket, an ocular lens and a laser which are installed on the main bracket, a sensor which is installed behind the laser, and a wave collector which is fixed on the main bracket behind the sensor. The sensor is connected with a host machine of a micro-computer. The host machine of the micro-computer is connected with the laser via power lines. A liquid crystal display is installed on the host machine of the micro-computer. The invention has simple, convenient and safe operation, can be operated remotely without cutting off power supply, decreases the labor intensity and promotes the working efficiency. The invention is mainly applied to remote detection for electrical insulator high-pressure lines and power supply devices, in order to avoid detecting via climbing electric pole one by one and save the labor and material resources.

The invention discloses a manufacture technology of an ultra-hairy, ultra-smooth and wool-like towel. Yarn made by combining strands of purified cotton single yarn spun by long-staple cotton with strands of water-soluble silk is used as a wool weft to weave a towel, and the twist of the purified cotton single yarn in the yarn made by combining the strands is smaller than or equal to 6 twist/10cm. The technology comprises the follow working procedures: combining the strands of purified cotton single yarn spun by the long-staple cotton with the strands of water-soluble silk to make the yarn before weft smoothing, weaving and grey cloth post treatment, wherein the yarn count of the purified cotton single yarn spun by the long-staple cotton is 18.2tex, and the yarn count of the water-soluble silk is 4.4tex. The towel produced by the technology not only has ultra-strong fluffiness and softness of a high-count untwisted yarn product, but also has the massiness of a low-count untwisted yarn product, has a delicate ultra-hairy and ultra-smooth sense and greatly improves the grade of the product.

An object of the present invention is to provide a polycarbonate resin composition and a molded article, which are excellent in jet-blackness, image sharpness, impact resistance, scratch resistance owing to high hardness, flame retardancy and heat retention stability. The present invention provides a resin composition comprising a polycarbonate resin comprising a structural unit derived from a cyclic ether structure-containing dihydroxy compound and a coloring agent, which is a polycarbonate resin composition having an L* value of 6 or less as measured by the reflected light method of JIS K7105; and a molded article using the resin composition.

The invention discloses a large thin plate laser cutting clamp and a machining method thereof. The clamp is simple in structure and provided with a base plate; a support frame is arranged on and perpendicular to the base plate; the length of the support frame is matched with the length of a skin part; the top face of the support frame is a curved face I, and the curved face I is matched with the skin part in curvature; a plurality of brackets I of variable heights are arranged on one side of the support frame and on the base plate and are used for supporting the surface of the skin part; the brackets I are installed perpendicular to the base plate and the support frame; the height of each bracket I is matched with the height of the portion, corresponding to the bracket I in installation location, of the support frame; a plurality of brackets II are arranged on the other side of the support frame and on the base plate; and the brackets II are perpendicular to the base plate and the support frame correspondingly and used for supporting and fixing lugs on the skin part. According to the machining method, the problems that thin plate type laser cutting clamps are prone to deformation, high in machining difficulty and the like can be effectively solved.

A preparation method of balsam pear fertilizer, which is composed of: dried chicken manure, dried rabbit manure, cottonseed husk powder, rapeseed cake powder, peanut shell powder, wheat straw powder, rice sugar powder, plant ash, bone meal, datura powder , pine needle powder, the percentages are percentages by weight; the formula and preparation method are simple, a large amount of organic fertilizer produced in the ingredients can meet the growth needs of bitter melon, and effectively overcome the slow growth of bitter melon caused by lack of nutrition The bitter melon produced is small, with small fruit tumors, light weight, poor disease resistance, easy to suffer from canker sores, and more prone to the defects of bitter melon piercing disease.

The invention relates to a yield increasing fertilizer for sesame, which is prepared from the following raw materials in percentage by weight: 5-10% of dry duck excrement, 10-15% of dry rabbit excrement, 20-23% of dry cattle excrement, 8-11% of plant ash, 10-15% of cottonseed hull, 3-7% of calcium superphosphate, 14-22% of zinc fertilizer, 5-8% of phosphate fertilizer, 3-5% of methamidophos, 1-2% of Bavistin and 1-2% of pesticide. The method for preparing the yield increasing fertilizer for sesame comprises the following steps: proportionally putting the first ten raw materials into a mixer, mixing for 60 minutes, taking out, putting the mixture into a pulverizer to pulverize the mixture into 160-mesh particles, taking out, adding the pesticide, evenly mixing, pouring the mixture into the mixer, mixing for 30 minutes, and making the mixture into cylindrical yield increasing fertilizer columns for sesame by using a molding machine, wherein each column weighs 30 grams, and is 5 centimeters high and 7 centimeters wide. The molded yield increasing fertilizer columns need to be compact and solid, and can not be easily broken when being held by hands.

The invention discloses an efficient culture medium for pleurotus eryngii and a preparation method of the culture medium, and relates to the technical field of pleurotus eryngii culture media. The culture medium is prepared from 45-55 parts of tea dregs, 35-45 parts of cassava residues, 30-35 parts of sustained release granules, 20-30 parts of distillers' grains, 15-20 parts of oyster shells, 15-20 parts of amylase, 15-20 parts of protease, 10-15 parts of expanded vermiculite, 10-15 parts of soybean cakes, 5-10 parts of rice hull powder, 5-10 parts of bran and an appropriate amount of water. Accordingly, the nutritional ingredient content is high, the produced pleurotus eryngii is high in weight, rapid in growth, high in disease resistance, soft in pulp quality and good in taste.

The invention discloses an agrocybe aegerita culture medium and a preparation method thereof. The agrocybe aegerita culture medium is prepared from the following raw materials in parts by weight: 10-15 parts of camellia seed shells, 25-30 parts of aspen branches and leaves, 20-25 parts of sorghum straws, 5-9 parts of orange meal, 8-15 parts of tea cake powder, 10-13 parts of bean dregs, 4-7 parts of silphium, 5-10 parts of banana leaves, 15-20 parts of flax cake meal, 1-4 parts of vermiculite, 0.5-1 part of calcium carbonate and 6-10 parts of nutrition additives. The culture medium disclosed by the invention is wide in source of main materials, abundant in nutritional components and high in content and satisfies the growing demand of agrocybe aegerita. Meanwhile, the nutrition additives are added to enhance the nutritional value of thalli and improve the biological efficiency. The produced agrocybe aegerita is large in size, sufficient in weight and fast in growing speed.

The invention discloses a cultivation medium capable of increasing the yield of big clitocybe and a preparation method thereof. The cultivation medium comprises nutrient media and cover-soil materials of which the weight ratio is 2-3 to 1; the nutrient media are prepared from, by weight, 60-70 parts of mulberry twig stalk powder, 15-20 parts of tea tree dregs, 8-12 parts of sheep manure, 5-8 parts of bran, 3-6 parts of corn powder, 2-4 parts of phosphorus fertilizer, 0.5-1.5 parts of lime, 1-2 parts of plaster and 0.5-1.5 parts of derris powder; the cover-soil materials are prepared from, by weight, 25-30 parts of fine soil, 12-15 parts of sucrose silt, 2-3 parts of sodium selenite and 1-2 parts of bacillus thuringiensis. The cultivation medium is rich and comprehensive in nutrient, the nutritional requirement of growth development of the big clitocybe can be met, and the cultivated big clitocybe is large in size, high in growth velocity and high in disease resistance; compared with a conventional cultivation medium, mushrooms are picked about 10 days in advance, and the yield is increased by about 20 percent. The raw materials of the cultivation medium are wide and easy to obtain, the cost is low, the production process is simple, and the cultivation medium is suitable for large-scale cultivation of the big clitocybe.

The invention provides a plastic optical fiber network electricity checks meter system, and belongs to the field of power line information transmission. The checks meter system provided by the invention has strong anti-electromagnetic interference and nuclear radiation resistance as well as reliable performance; collected data has strong real-time performance, and low cost and high speed transmission of data are realized; the plastic optical fiber network electricity checks meter system is composed of electricity meters, a meter reading module, plastic optical fiber, a plastic optical fiber network switch and a data processing center; The signal flow direction of the checks meter system is as follows: an optic transmitter of the meter reading module converts an electricity meter signal to a network optical signal; the optical signal is coupled to the plastic optical fiber; an optical receiver of the meter reading module receives signals and reduces the optical signal to a network electrical signal; the plastic optical fiber network switch is used for data processing; and the data processing center is used to process data so as to complete the whole process of meter reading. The checks meter system provided by the invention has excellent anti-electromagnetic interference performance, strong security, high sensitivity and small volume, is simple to prepare, requires low cost, and has waterproof and moistureproof properties as well as long service life.

The invention provides a method for preparing carbon nanotube and PCM-combined phase change temperature control component, which aims to provide a method for preparing a phase change temperature control component with high phase change latent heat and better heat conduction effect. The present invention is implemented as follows: casting pyrolytic graphite in the heat sink bottom and the verticalhot wall surface of a metal conductor packaging container; combining carbon nanotubes and phase change materials by ultrasonic vibration to form a carbon nanotube and phase change composite material,and charging the liquid carbon nanotube and phase change composite material in a heat conductive reinforcing skeleton by a vacuum co-fusion method; welding the heat conductive reinforcing skeleton ina phase change cavity to form a multilayer phase change latent heat self-control adjustment level that the pyrolytic graphite wrapping, in a U-shape, heat conductive reinforcing skeleton, and forminga thermal insulation buffer layer from the phase change cavity; and finally, welding a cover plate on the stepped opening of the metal conductor packaging container by electron beam welding, enclosingto form a closed phase change temperature control component, and processing to obtain the boundary dimension according to requirements.

The invention discloses a preparation method of a formula for preventing and treating michelia figo aphids, wherein the formula comprises podocarpus powder, short-tube lycoris powder, chrysanthemum powder, corn poppy powder, fructus ligustri lucidi powder, winter jasmine powder, boston ivy powder and champaca powder. Various beneficial microorganisms and organic fertilizers contained in the formula also can play a fertilization increase effect so that michelia figo can bear big and heavy fruits. The formula for preventing and treating the michelia figo aphids overcomes disadvantages that reduction of immunological competence of each function of a human body caused by over-high pesticide components remained in the michelia figo and over-high pesticide remained in the fruits is caused easily although the preventing and treating effect is very good, and various disease hidden troubles occur more easily for a long-term contact with the michelia figo with over-high residual pesticide when a high-concentration pesticide is adopted for spraying and killing.

The invention discloses an adjustable tree digging-out device. The device includes a power machine arranged on a rack and a gearbox connected to the power machine, wherein the gearbox is connected with a transmission rod connected to a universal coupler, and the universal coupler is connected with a tree digging-out machine through a reversing gear box; an output shaft angle adjusting device is hinged to the tree digging-out machine, and the other end of the output shaft angle adjusting device is connected to the rack. The adjustable tree digging-out device has advantages that the device is wide in working range, light in weight, convenient to carry, small in size, low in cost and convenient to operate, and one person totally can operate the device by himself or herself. The device is suitable for digging of soil balls in any shape, and capable of ensuring integrity of the soil balls, avoiding damage to the root system and substantially increasing the survival rate of plantlets during transplanting. Since the adjustable tree digging-out device is internally provided with the universal coupler and a lifting rod with a spring, when hard objects such as stones are dug during operation of the adjustable tree digging-out device, an effective damping effect can be taken, the comfort level of handling is improved, a hard alloy blade installed on a blade carrier can be effectively protected, and the wear rate of the hard alloy blade is decreased.

Disclosed is a method for preparing fertilizer for increasing onion yield. The fertilizer is prepared from, by weight percentage, peanut cake powder, dry chicken manure, dry duck manure, plant ash powder, rice stalk powder, core cod powder, bean cake powder, phosphatic fertilizer, potash fertilizer, chlorothalonil, and chlorothalonil. The fertilizer prepared is low in cost, materials are easy to obtain, preparation and preparation method are simple, growing requirements of the onion can be met by the large amount of organic fertilizer generated by the raw materials, the obtained onion is large in size and sufficient in weight, onion yield is increased, and troubles about fertilizing and drugging in multiple times are avoided.

The invention relates to a greenhouse watermelon yield-increasing special fertilizer. In percentage by weight, the special fertilizer consists of 18 to 37 percent of soybean cake powder, 8 to 16 percent of broomcorn cake powder, 16 to 25 percent of dried sheep manure, 10 to 16 percent of soybean stem powder, 6 to 10 percent of dried chicken manure, 4 to 9 percent of white sugar, 4 to 9 percent of dried duck manure, 1 to 2 percent of rock candy, 0.5 to 1 percent of dipterex, 1 to 2 percent of superphosphate, 1 to 2 percent of grass ash and 0.5 to 1 percent of potassium sulfate. According to a proportion, all the first eight raw materials are put into a mixer together and mixed for 100 minutes before being taken out, the raw materials are then put into a grinder and ground into 200-mesh particles, the particles are taken out and then uniformly mixed with the dipterex, the superphosphate, the grass ash and the potassium sulfate, the particles are then put into the mixer again and mixed for 50 minutes before being taken out, a molding machine is used for molding the particles into a cylindrical greenhouse watermelon yield-increasing special fertilizer column which is 250g, and the yield-increasing special fertilizer column needs to be compacted and tamped and cannot be easily broken when being held by the hand.

The invention relates to a preparation method of a garlic production promoting fertilizer. The garlic production promoting fertilizer comprises the following materials by weight percentage: 5 to 10 of bean cake, 10 to 15 of dry manure, 20 to 23 of dry chicken manure, 8 to 11 of woodash, 10 to 15 of sand, 3 to 7 of rice bran, 14 to 22 of auxin, 5 to 8 of manganese fertilizer, 3 to 5 of lemery, 1 to 2 of thiodan and 1 to 2 of paclobutrazol. The preparation method of the garlic production promoting fertilizer comprises the following steps: taking the bean cake, the dry manure, the dry chicken manure, the woodash, the sand, the rice bran, the auxin, the manganese fertilizer, the lemery and the thiodan according to the proportion, fully combining and putting the materials into a stirrer to stir for 80 minutes before being taken out, and putting the mixture into a pulverizer to pulverize into granules of 80 meshes; taking out the granules, adding the paclobutrazol to the granules and stirring the matter uniformly; and then, pouring the mixture into the stirrer to stir for 20 minutes and pounding the mixture by a molding machine into cylindrical garlic production promoting fertilizer columns with the weight of 10g, the height of 2 cm and the width of 2 cm under the requirements that the cylindrical garlic production promoting fertilizer columns are firmly compacted and tamped and hardly crack by being held in the hand.

A composite cable (4) houses a plurality of leaky coaxial cables having mutually different radiation characteristics. The leaky coaxial cable (2a, 2b) includes therein an inner conductor and an outer conductor, and has a plurality of leakage slots. The plurality of leakage slots have different slot periods relative to the axial direction or arranged in different slot patterns. The digital wireless communication device feeds a high-frequency signal from an end of the composite cable (4) and performs MIMO (multiple-input multiple-output) communication.

The invention relates to a preparation method of blunt-snout bream fodder. The blunt-snout bream fodder comprises the following raw materials in percentage by weight: 8 to 11 bean cake, 3 to 6 barley, 5 to 12 rapeseed cake, 2 to 6 bran cake, 5 to 11 bran coats, 18 to 35 corn meal, 6 to 9 cotton bran, 10 to 18 rough fish meal, 3 to 9 loach meal, 1 to 2 rapeseed oil phospholipid, 1 to 3 premix additive, 5 to 8 crude protein meal and 1 to 2 multiplex vitamin. The preparation method of the blunt-snout bream fodder comprises the following steps: pouring the materials into a fodder pulverizer to pulverize; taking out and putting the pulverized matter into a stirrer to stir for 60 minutes; then, taking out and fully pouring the mixture into a circular mould type hard granulator to generate sediment hard granule fodder; and screening the sediment hard granule fodder by a 40-mesh net so that each granule has the weight of 0.2g.