224results about How to "Guaranteed loss" patented technology

The invention belongs to the technical field of mechanical-electrical integration and particularly relates to a steel meshwork automatic welding device and production technology thereof. The device of the invention comprises a gantry pressure welding frame, a numerical control pressure welder, a pressurizing mechanism, a resistance welding transformer, an electric control cabinet, a resistance welding controller, a trolley track, a mould base trolley, a step trolley, a demountable welding fixture and a servo drive device, wherein the mould base trolley contains a mould base cross beam, a mould base left end beam, a mould base right end beam, mould base trolley wheels, a left lateral overturning and positioning frame, a right lateral overturning and positioning frame, a left lateral overturning cylinder, a right lateral overturning cylinder, positioning frame pins, an upper positioning block, a lower positioning block, a mould base front end beam, a mould base back end beam, a front lateral overturning positioning frame, a back lateral overturning positioning frame, a front lateral overturning cylinder, a back lateral overturning cylinder, and positioning frame pins. The device of the invention and the welding technology thereof have high degree of automation, higher work efficiency, good consistency of the product and high quality of the product; and the device and technology are especially suitable for the engineering with short construction time and high demand on the construction period.

The invention relates to the technical field of antennas, in particular to a millimeter-wave microstrip array antenna. The millimeter-wave microstrip array antenna comprises a dielectric plate, patch array antennas and a feed network, wherein the dielectric plate comprises a double-layer plate body, and a metal ground is clamped between the two layers of the double-layer plate body; the feed network is a one-to-n path of T-type power dividing circuit, each branch port of the feed network is provided with a feed point, the patch array antennas are arranged in n columns, and central symmetry points of the patch array antennas are provided with coaxial feed probes which penetrate the dielectric plate vertically so as to connect the feed points with the patch array antenna; and on the same column of the patch array antennas, the coaxial feed probes are directly connected between relatively proximate microstrip patches on a group of patch units, and are interconnected between relatively proximate microstrip patches on another group of patch units by means of 180-degree phase shifters. The millimeter-wave microstrip array antenna has the advantages of high gain, low sidelobe and miniaturization, and can effectively realize the high integration and miniaturization requirements of the whole antenna structure.

The invention discloses a one-step production technology of ultra-low shrinkage terylene industrial fibers, which comprises the steps as follows: A. the preparation of high-viscosity chips: the high-viscosity chips with the viscosity of 0.99 plus or minus 0.015 are obtained by the solid phase polymerization of low-viscosity chips; B. melt spinning: the high-viscosity chips are extruded by melting by a screw extruder in a spinning manifold, spun by a spinning component, and shaped by lateral blowing cooling, and pump oiling is carried out by adopting an ester leveling agent with the kinematic viscosity of 20 to 60mm<2>/s at the temperature of 30 DEG C, and the oiling rate is 0.6 plus or minus 0.15 percent; C. heat setting by drawing: heat setting by drawing is carried out firstly by a pre-tension roller, and sequentially by two groups of drawing rollers and three groups of hot rollers for shaping; and D. shaping by winding: products can be obtained by winding by a winding head after the obtained fibers pass through a main network device. In the invention, not only the technology has high production efficiency, but also the dry heat shrinkage value of the obtained ultra-low shrinkage terylene industrial fibers is low and has high strength and excellent combination property.

The invention relates to a selective hydrogenation method for phenylacetylene in phenylacetylene-containing styrene material flow, which mainly solves the problem that excessive hydrogen in the selective hydrogenation process for the phenylacetylene possibly transforms the phenylacetylene and the styrene into an unexpected unsaturated product ethylbenzene so as to cause loss increment of the styrene. The invention adopts the technical scheme that raw materials and a palladium or nickel-containing catalyst in a catalyst bed layer undergo contact reaction in a gas-liquid-solid three-phase multi-section fixed bubbling bed reactor, wherein a gas distributor is arranged between the bottom of the fixed bubbling bed reactor and the catalyst bed layer; and the gas distributor comprises a gas mainand branch pipes, and the branch pipe is provided with at least one row of pores or the branch pipe is provided with at least one row of open short pipes, so the problem is well solved. The method can be used in the selective hydrogenation industrial production for the phenylacetylene in the phenylacetylene-containing styrene material flow.

The invention relates to a control method for automatically adjusting the heating temperature of water. The control method comprises the following steps that S11, a total water consumption average value V1 and a mixture water temperature average value T1 as well as hot water consumption V2 and a current cold water temperature T2 of a water heater within predetermined using times are collected; S12, a hot water heating temperature T is figured out according to the total water consumption average value V1, the mixture water temperature average value T1, the hot water consumption V2 and the current cold water temperature T2; and S13, the hot water heating temperature T is set as the current heating temperature of the water heater. According to the control method for automatically adjusting the heating temperature of the water, the hot water heating temperature T is figured out according to the total water consumption average value V1, the mixture water temperature average value T1, the hot water consumption V2 and the current cold water temperature T2; the habitual water consumption and set temperature of a user are fully reflected, so that the water consuming demand of the user is met, and the waste of hot water is avoided.

The invention belongs to the technical field of manufacturing electromechanical integration, and particularly relates to automatic welding equipment of a steel net framework and a production process. The automatic welding equipment of the steel net framework comprises a gantry press welder frame, a digital control press welder, a pressurization mechanism, a solder-resisting transformer, an electric control cabinet, a solder-resisting controller, a cart track, a die frame cart, a stepping cart, a detachable welding tool clamp and a servo driving device. The die frame cart comprises a die frame cross beam, a die frame left end beam, a die frame right end beam, die frame cart wheels, a left transverse overturning positioning frame, a right transverse overturning positioning frame, a left transverse overturning air cylinder, a right transverse overturning air cylinder, a positioning frame pin shaft, an upper positioning block, a lower positioning frame, a die frame front end beam, a die frame rear end beam, a front transverse overturning positioning frame, a rear transverse overturning positioning frame, a front transverse overturning air cylinder, a rear transverse overturning air cylinder and a positioning frame pin shaft. The automatic welding equipment of the steel net framework and the production process thereof are high in automation degree and improve work efficiency, manufactured products are good in consistency, the quality of the products is good, and the automatic welding equipment of the steel net framework and the production process thereof are particularly suitable for projects with short building time and high time limit.

The invention discloses a method for extracting vanadium from molten iron. The method comprises the following steps: contacting the molten iron with a desulfurizer, separating out the generated slag to get the desulfurized molten iron, and oxidizing the vanadium (V) in the desulfurized molten iron to vanadium pentoxide, wherein, based on the total mass of the molten iron, the molten iron comprises 0.23-0.34wt% of V and 0.04-0.15wt% of S, and the content of sulfur (S) in the desulfurized molten iron is not more than 0.02wt% due to the condition of contacting the molten iron with the desulfurizer; and the desulfurizer comprises Na2CO3, CaO and CaC2, and based on the total mass of the desulfurizer, the content of the Na2CO3 is 2.5-6wt%, the content of the CaO is 69-87.5wt% and the content of the CaC2 is 10-25wt%. By utilizing the method provided by the inventionthe sulfur is ensured to be removed from the molten iron, silicon can be removed from the molten iron to the maximum, and the loss of vanadium is reduced to the minimum at the same time, thereby greatly improving the grade of the vanadium slag and the recovery rate of vanadium during extracting the vanadium.

The invention discloses a rainwater collection and irrigation integrated karst region slope protection method and structure. The method includes: arranging horizontal ditches in the slope surface needing to be cared in a karst region at intervals, and placing a strip-shaped rainwater collection bag in each ditch, wherein a bag opening at one end of each rainwater collection bag is arranged in a slope surface rainwater flowing and gathering area, and a bag opening at the other end of each rainwater collection bag is connected with a drip irrigation water inflowing pipe lower than the altitude thereof; arranging vegetation devices in a drip irrigation arranging area, spraying and seeding artificial soil containing seeds on the vegetation devices or packing a vegetation bag in each vegetation device, wherein each vegetation bag is filled with soil and seeds. Therefore, in seasons with less rainfall, control valves can be turned on to supplement water to the whole slope surface needing to be cared by drip irrigation, and moisture needed for growth is guaranteed.

The invention discloses a preparation method of a high-solid-content ester polycarboxylic acid water reducing agent, which comprises the following steps: (1) mixing polyethyleneglycol monomethyl ether, amino-terminated polyoxypropylene ether, methacrylic acid, a catalyst and a mixed polymerization inhibitor to react to obtain a first mixture; (2) adding unsaturated carboxylate, a cationic monomer and a chain-transfer agent into 70-75 parts of the first mixture, and uniformly mixing to obtain a second mixture; mixing an initiator and acrylic acid to obtain a third mixture; dropwisely adding the third mixture and second mixture into 80-85 parts of the 45-80-DEG C first mixture within 1.5-2 hours, keeping the temperature at 45-80 DEG C to react for 1-1.5 hours, and after the reaction finishes, adding water to regulate the concentration of the system to 80-85%; and (3) adding sodium hydroxide into the material obtained in the step (2) for neutralization to obtain the high-solid-content ester polycarboxylic acid water reducing agent. The method has the advantages of high production efficiency and environment friendliness. The prepared product has excellent properties, and is convenient for storage and line haul.

The invention relates to a data migration method and device. The method comprises a total synchronization process, and in addition, further can comprise an incremental synchronization process based ona binlog mechanism. Through the method, loss-free migration of database data can be realized, and the migration performance is improved. The method comprises the steps of synchronizing the total datain a source database to a new database; in the total synchronization process, monitoring the change condition of the data in the source database, and if the data in the source database is changed, updating the corresponding synchronized data in the new database; and calculating a migration rate according to user dimension, and when the data migration rate of a user reaches 100%, switching the database corresponding to the user from the source database to the new database.

The invention discloses an energy-saving environment friendly production method of a concrete lining segment. The energy-saving environment friendly production method comprises the following step of: carrying out dry-wet-heat curing on concrete after pouring, wherein the dry-wet-heat curing is finished in a sealed curing kiln and comprises four stages of static curing, heating, constant temperature keeping and temperature reducing. According to the energy-saving environment friendly production method of the concrete lining segment, disclosed by the invention, all procedures are connected closely and smoothly, wherein the dry-wet-heat curing directly ensures large shortening of curing time because of creation of a technical method, and compared with a traditional steam curing of keeping the constant temperature for 4h and total curing time of 8-10h, the energy-saving environment friendly production method disclosed by the invention has the advantage that the speed is largely accelerated, in addition, standing temperature reduction ensures that segment concrete is secondarily cured and is fully reduced in temperature, thus a quality defect due to an inner stress is avoided, the quality of products is improved, and good support is provided for long-term safe usage of the concrete lining segment.

A multifunctional emergency lamp control system comprises an upper computer and a plurality of emergency lamps. Each emergency lamp comprises a wireless communication module, a light operated module, a fire alarm module, a second pyroelectric infrared sensor module and a first pyroelectric infrared sensor module. The control method of the multifunctional emergency lamp control system includes steps of firstly, acquiring level signals in real time and sending the level signals to the upper computer by a lower computer, continuously acquiring the level signals and sending the level signals to the upper computer by the lower computer if finding no abnormal level signals, and otherwise, executing the next step; secondly, sending numbers of the emergency lamps which send out the abnormal level signals and types of the abnormal level signals to the upper computer by the lower computer, and simultaneously, enabling the light operated module, the fire alarm module and the second pyroelectric infrared sensor module to make response under control of the lower computer; and thirdly, displaying relevant information through the upper computer. The emergency lamp control system has multiple functions of power-off illumination, burglary prevention and fire alarm, and has the advantages of high practicability and the like.

The invention discloses a wafer level package thermal wind sensor based on an anodic bonding technology which comprises the following steps: step 1, preparation of silicon chips, manufacturing a heating element, a thermal sensing temperature measuring element and an electric extraction pad by utilizing a standard CMOS (complementary metal-oxide-semiconductor transistor) technology, and etching off an oxide layer at the anodic bonding area at the front surface of the silicon chip by utilizing an MEMS (micro electro mechanical systems) dry etching technology, so that a silicon substrate is exposed; step 2, preparation of packaging glass substrate, preparing bosses for anodic bonding by utilizing an anodic bonding technology, and preparing a through hole for electric extraction by utilizing a laser etching technology; step 3, carrying out bonding packaging on the silicon chips and packaged glass substrate by utilizing the anodic bonding technology; step 4, carrying out thinning on the substrate of the silicon chips by utilizing a thinning technology; step 5, sticking and sealing a ceramic sensing substrate on the back face of the pair of thinned chips; and step 6, scribing and finishing the preparation of the sensor. In the whole preparation process of the sensor, the preparation technologies used are compatible with the standard CMOS technology; the postprocessing technology is simple; the frontage protection of the silicon chips for sensing is realized by the packaging anodic bonding technology; the ceramics are basically sticked and sealed to the back face of the thinned silicon chips, on the one hand, the ceramics serve as heat sensitive materials to sense the wind changes in the outside environment, and on the other hand, the ceramics are used for protecting the silicon chips. By the sensor, the wafer level packaging is realized, and the sensor has the characteristics of good compatibility, simple subsequent technology, and low cost.

The invention discloses a mobile edge computational shunt decision method. The method comprises the following steps: 1) computing all energy loss in a mobile communications system under the giving ofa shunt decision; 2) computing delay loss in each of the transmission procedure and the processing procedure when the user task is shunted; 3) searching an optimal shunt decision scheme through the deep reinforcement learning algorithm; 4) taking the shunt decision xnm and uplink and downlink rate as shown in description of all users as the system state xt of the reinforcement learning, and takingthe action a as the change on the system state xt, setting the current award r(xt, a) as the positive value if the total loss of the improved system is smaller than before, otherwise, setting as thenegative value; enabling the system to enter the next state xt+1, continuously repeating the iteration process until obtaining the optimal shunt decision xnm and the uplink-downlink rate as shown in description. The energy loss is minimized in the premise of guaranteeing the user experience.

The invention belongs to the technical field of maintenance and assembly of a rotary drill rig, in particular to an installation guide device of a skeleton sealing ring of a hollow shaft of a rotary drill rig and a use method. The installation guide device of the skeleton sealing ring of the hollow shaft of the rotary drill rig is composed of a cone shaft and a force applying wrench which is plugged with the cone shaft. The middle part of the large-diameter end surface of the cone shaft is provided with an outer-cone threaded post, and the surrounding of an excircle is provided with a thin-wall plug bush. The outer-cone threaded post is in threaded connection with a cone threaded hole arranged on the end surface of the hollow shaft, and the inner surface of the thin-wall plug bush is connected with the outer surface of the hollow shaft in a mode of clearance fit. The small-diameter end of the cone shaft is provided with a through hole plugged with the force applying wrench. The force applying wrench is a cylindrical pin shaft. According to the installation guide device, the problems that the original skeleton sealing ring is difficultly installed, or the precision is poor and the like. The installation guide device is easily operated and is conveniently controlled, adjusted and centered, and the installation precision is ensured. The installation strength is effectively reduced, the manpower resource is saved, and the installation efficiency is improved.

The invention relates to a liquid-state metal electromagnetic pump. Aiming at solving the problem that an existing electromagnetic pump cannot meet application requirements of a space nuclear power supply system, the invention provides a liquid-state metal electromagnetic pump for a space nuclear environment. The electromagnetic pump is composed of a pump groove assembly, an electromagnetic excitation structure assembly, a gas sealing shell assembly and a power transmission assembly. According to the liquid-state metal electromagnetic pump, an iron core structure has relatively good magnetism conducting efficiency and the weight and volume of the electromagnetic pump are easy to reduce; an annular flow channel of liquid-state metal can effectively improve the working efficiency of the electromagnetic pump; the electromagnetic pump is compact and firm in structure and can bear vibration and impacts from a launching phase to an orbit injection phase of a spacecraft; the gas sealing shell assembly and inert gas can provide effective protection for an electromagnetic excitation structure so that the service life is extremely prolonged and the reliability is extremely improved; and the electromagnetic pump adopts a relatively reasonable design structure so that the control of temperature distribution is facilitated and the electromagnetic pump can stably work for a long period in a vacuum environment.

The invention relates to a water passage circulation structure for a condensing heat exchanger. The water passage circulation structure comprises a shell, and a left cover plate and a right cover plate which are provided with cavities, wherein the left and right cover plates are arranged on the left and right side walls of the shell. The water passage circulation structure is characterized in that: the left cover plate is provided with a water inlet and a water outlet; the cavity of the left cover plate is divided into a plurality of independent left water circulating areas; one is communicated with the water inlet, and another independent left water circulating area is communicated with the water outlet; the cavity of the right cover plate is divided into a plurality of independent rightwater circulating areas; the plurality of left water circulating areas on the left cover plate and the plurality of right water circulating areas on the right cover plate are connected and matched through asymmetrical layer-staggered radiating straight pipes in the mode; and water spirally circulates in a W-shaped route among the left cover plate, the radiating straight pipes and the right cover plate and flows out of the water outlet on the left cover plate finally. The water passage circulation structure is novel; and the heat exchanger with the water passage circulation structure has a medium volume, longer service life, and higher thermal efficiency, and is energy-saving and durable.

The invention relates to a sports food, and in particular discloses energy gel applicable to marathon and long-distance running exercise. Under the condition that the energy gel provided by the invention takes carbohydrate as a main energy supply substance, lactoalbumin and medium-chain triglyceride are added to comprehensively supplement energy and protein, which are lost in a long-distance running process of athletes or running amateurs, and the rehabilitation of physical power is promoted. The lactoalbumin has the characteristics of high protein content, rapid absorption speed, high content of branched-chain amino acid (BCAA) and the like; the medium-chain triglyceride (MCT) is saturated fatty acid with the carbon chain length of 6 to 12; after the medium-chain triglyceride is decomposed into medium-chain fatty acid, the medium-chain fatty acid is oxidized to form acyl coenzyme A; then beta-oxidization is carried out to provide energy capable of being directly utilized.

An integrated mirror device for a vehicle, which comprises an out-vehicle mirror disposed on the outside of a cabin and an in-vehicle mirror disposed inside a cabin at a position in proximity to the out-vehicle mirror so that a rear view from the vehicle can be provided in cooperation with the out-vehicle mirror, and which is supported on a vehicle body including doors. A mirror holder (46) for holding the out-vehicle mirror (27R) and the in-vehicle mirror (28R) is swingably pivoted on a mirror support means fitted to the vehicle body to change the angle of reflection of these both mirrors (27R, 28R) to the driver of the vehicle. The angles of reflection of the out-vehicle mirror (27R) and the in-vehicle mirror (28R) are changed by a remote drive means for swingingly driving the mirror holder (46) by remote control. As a result, the angles of reflection of the out-vehicle mirror and the in-vehicle mirror can be remotely controlled.

A tincture for treating acne is prepared from leucomycin, salicylic acid and 6 Chinese-medicinal materials including dahurian angelica root, pearl powder, borneol, etc. Its advantages are sure curative effect, quickly taking its effect and no toxic by-effect.

The invention discloses a manufacturing method for tartary buckwheat tea, and relates to the technical field of food processing. The manufacturing process includes the following steps that 20-40% of water is added into tartary buckwheat powder, and the materials are evenly stirred; the materials evenly stirred are stirred hyperbolically and rubbed, the temperature rises fast to 80 DEG C-100 DEG C, and the temperature is kept for 10-60 s; the materials are extruded and prilled; prills are stir-fried at the temperature of 100 DEG C-170 DEG C for 60-90 min, the temperature rises to 170 DEG C-190 DEG C, and when the color of the materials is deepened and the buckwheat has aromatic flavor, the materials are discharged, spread out and cooled to obtain the tartary buckwheat tea. The stir-fried tartary buckwheat tea has the pure natural aromatic flavor of buckwheat and a good health care function, the flavonoid content is high, the liquor color is light green, and aftertaste is sweet. The degradation loss of flavonoid is controlled within 10% in the stir-frying process of the tartary buckwheat tea, and the content of flavonoid substances (measured on the basis of dried rutin matrixes) of the manufactured tartary buckwheat tea can be controlled to range from 4% to 6%.