42results about How to "Large production batch" patented technology

The invention discloses a constant temperature measurement-type micro humidity sensor and a producing method thereof, relating to the sensor technology; the sensor consists of a humidity sensitive film capacitor and a pedestal, wherein at least one electrode in the lower electrode of the humidity sensitive film capacitor acts as a capacitance or impedance measuring electrode and a constant temperature-control heating electrode and works with a temperature sensor in the lower electrode under the control of an external circuit of the sensor to cause the micro humidity sensor to measure humidityat certain constant temperature. A thin supporting film for supporting the humidity sensitive film capacitor in the sensor has through holes or clearance structures, thereby reducing heat loss and causing the sensor to realize constant temperature measurement under relatively low power consumption. The micro humidity sensor is not affected by the environmental temperature, has small temperature coefficient and good low-temperature performance, realizes the humidity measurement at negative temperatures and has a volume smaller than 2mm*2mm*2mm. The invention is applied to daily life, industrial production, weather forecast, environment monitoring, aeronautics, astronautics and other fields.

The invention discloses a preparation method of a standard sample for spectral analysis of 400 series stainless steel. The method comprises the following steps: a chemical component design step; a material extraction step; a physical detection and segregation inspection step; a continuous casting blank cutting; a sample thermal processing and forging step; a uniformity initial inspection step; anda sample preparation step. The invention further discloses a standard sample prepared according to the preparation method of the standard sample for the spectral analysis of the 400 series stainlesssteel. By adoption of the preparation method disclosed by the invention, it is ensured that the raw material used by the standard sample for the spectral analysis of the 400 series stainless steel islow in foreign matters, high in cleanness and good in component uniformity, the tissue compactness, fine grain, large batch and stable quality of the spectral standard sample are controlled by the thermal processing technology, and the requirements of various quality analysis control in the modern steel industry on the spectral standard sample are met.

The invention discloses a four-wheel drive mixed power mini-car comprising: wheels, power system, stirrup chassis, high-energy accumulator, a electrical driving wheel module, a gas tank, a redirector which connected to front wheel axle and direction controller, a steering displacement sensor, a electronic differential central controller which can decide if the generator charges the accumulator according to the driving condition and the SOC of accumulator, and a power management modular. The invention can effectively reduce the application cost and increase the endurance mileage with lower discharge; therefore, it can improve the industrialization of electrical car.

The invention provides a method of utilizing a stirred bioreactor to produce an infectious Bursal disease virus. Bioreactor microcarrier cell culture technology is used to replace conventional roller bottle culture, so that the problems of low production efficiency, unstable product quality and low virus titer can be solved. On this basis, biological characteristics of the infectious Bursal disease virus and DF1 cells are combined, and proper conditions are matched from the perspectives of microcarrier adding amount, cell inoculation density, virus inoculation amount, cell density during virus inoculation, virus collection time and reactor operation parameters, so that virus culture efficiency is improved remarkably, and unit culture titer is improved by 10-100 times. In addition, compared with roller bottle culture, the method utilizing the bioreactor has the advantages that culture scale is large, and parameter control is comprehensive, so that systematic risk of being polluted is lowered, quality stability is improved, and the method has a wide application prospect.

A composition of a loose mass of comminuted raw cotton linter fibers has a bulk density of at least 8 g/100 ml and at least 50 % of the fibers in the mass passes through a US standard sieve size #10 (2 mm opening). This composition is made by obtaining a loose mass of first cut, second cut, third cut, or mill runs raw cotton linters or mixtures thereof and comminuting the loose mass of raw cotton linters to a size wherein at least 50 % pass through a US standard sieve size #10 (2 mm opening). This composition is used to make cellulose ether derivatives.

The invention discloses a novel choke plug assembly for using a pressurized water reactor to prepare a radioactive source. The novel choke plug assembly comprises a connecting plate and stainless steel choke stoppers. The connecting plate is provided with mounting parts used for mounting the stainless steel choke stoppers. The 24 mounting parts are distributed in a scattered manner. The novel choke plug assembly further comprises N radioactive rods which are used to absorb neutrons and produce radioactive isotopes, wherein N is a natural number which is less than or equal to 24. The radioactive rods are correspondingly mounted on N mounting parts in a suspended manner, the stainless steel choke stoppers are correspondingly mounted on the remaining mounting parts in a suspended manner, and the radioactive rods and the stainless steel choke stoppers are parallel to each other. The novel choke plug assembly for using a pressurized water reactor to prepare a radioactive source not only can limit the reactor core coolant bypass flow, but also can produce radioactive isotopes, has remarkable economic benefit, and can greatly satisfy the needs of industrial, agricultural and medical use. The invention further discloses a radioactive rod.

The invention relates to machining equipment for a wood insulation clamping element for a transformer lead, and a machining method for the wood insulation clamping element. The machining equipment for the wood insulation clamping element comprises a scroll saw machine, wherein the scroll saw machine is provided with a working platform and a scroll saw blade, and a machining fixture for the insulation element for the transformer lead is installed on the working platform; and the machining fixture comprises rapid pressing plates, an upper carriage, a lower carriage and a bottom plate. The machining method comprises the following machining steps: placing the wood clamping element on the upper carriage below the rapid pressing plates, rotating adjustment screw rods on the bottom plate and the lower carriage separately, and enabling the lower carriage and the upper carriage to move on a slide rod to move the machining position of the clamped wood clamping element to a position close to the scroll saw blade; starting the scroll saw machine, enabling the scroll saw blade to work, and reversely rotating the adjustment screw rods to retreat the machined wood clamping element after cutting is completed; re-rotating the adjustment screw rods to move another machining position of the wood clamping element to a position close to the scroll saw blade; and unscrewing the rapid pressing plates, and taking out the machined wood clamping element. The machining equipment for the wood insulation clamping element is simple in structure, high in automation degree, large in production lot size, and high in efficiency.

The invention belongs to the technical field of preparation of rare earth compounds, and in particular, relates to submicron yttrium oxide having high specific surface area and a preparation method thereof. Yttrium oxide with different specific surface areas and particle sizes can be prepared by changing the addition amounts of an organic dispersing agent and an anionic surfactant, oxalic acid isused as a precipitator, and the method has the advantages of large production batch, simple process and accordance with environmental protection requirements. The submicron yttrium oxide having high specific surface area and produced by the method avoids tedious post-treatment avoided, can be prepared by direct sieving, has the advantages of high purity, small ignition vector, low impurity contentand the like, and can meet the requirements of customers on product performance to a greater extent.

The invention discloses a method for preparing compound Ganmaoling granules, which is characterized by comprising the following steps: a, pretreating, to be specific, cutting herba viticis, thin evodia twig and leaf, and scaly holly root into sections with length of about 2-15 cm, cutting baphicacanthus root into sections with length of about 3-30 cm, and bagging wild honeysuckle flower and wild chrysanthemum flower; b, extracting, to be specific, adding all the medicinal materials into a boiling and extracting tank in sequence, firstly, adding the scaly holly root and the herba viticis into the tank, then wild honeysuckle flower and wild chrysanthemum flower, and finally, adding the thin evodia twig and leaf and the baphicacanthus root into the tank; c, refining, to be specific, cooling the fluid extract to a temperature of 30-50 DEG C, adding ethanol to enable the ethanol content to reach 60-65 %, stirring evenly, allowing standing for 12-24 hours, filtering, and concentrating the filtrate into a thick extract with a relative density of 1.17-1.26 at a temperature of 70-80 DEG C; d, preparing, to be specific, adopting wet granulation, one-step granulation, high-speed extrusion granulation, spheronization granulation or spray granulation.

The invention relates to a powder-sprinkling agricultural mechanical equipment for silkworm breeding, which includes a bolt, a turntable, a chain rod and a machine body. A rotating motor is installed at the middle of the inner bottom of the body, and the rotating motor is electrically connected to a storage battery through a wire. One side of the top of the turntable is equipped with a medicine powder storage box, and the other side of the top of the turntable is equipped with a support rod, and a chain rod is installed vertically inside the support rod, and the chain rod is connected with a gear. The present invention is provided with a hydraulic oil cylinder, a piston and a turntable, the hydraulic oil cylinder extends the piston, and the turntable rotates to adjust the angle. With mutual cooperation, the silkworm medicine can be sprinkled on any part of the silkworm tool to sterilize all silkworm bodies, prevent and cure diseases At the same time, the device is equipped with a nozzle and an exhaust fan, and the exhaust fan runs to spray the powder through the nozzle in time, which solves the problem of time-consuming and laborious application of the drug by the user, thereby improving the powder spreading efficiency of the device.

The invention relates to a machining device for automobile parts. The machining device comprises a bottom plate, and a platform fixedly arranged on the bottom plate. A convex die with a vertical reciprocating motion is slidably arranged at the upper portion of the platform. A cutter with a vertical reciprocating motion is slidably arranged at the lower portion of the platform. The convex die and the cutter are jointly connected with a power device. The platform is provided with a feeding channel, a concave die matching with the convex die is arranged on the feeding channel, and a knife edge matching with the cutter is arranged on the concave die. A push block matching with the feeding channel is arranged on the left end of the platform, and the push block is connected with a push device. By means of the machining device for the automobile parts, one-time machining and molding of sheet metal bending, round hole making and cutting can be achieved; automatic feeding and workpiece pushingfunction can be achieved; and continuous machining can be carried out, and the production batch is large. The whole device has small volume, and is simple and easy to operate.