67results about How to "Reliable quality assurance" patented technology

The invention provides an agricultural product safe supply chain anti-fake management and control system. The agricultural product safe supply chain anti-fake management and control system comprises an agricultural product quality tracing information management platform, an agricultural product production management and control system, a production material supply chain management and control subsystem, a product quality management and control subsystem, a product selling management and control subsystem and a communication network. The agricultural product quality tracing information management platform, the agricultural product production management and control system, the production material supply chain management and control subsystem, the product quality management and control subsystem and the product selling management and control subsystem are connected into the communication network. The agricultural product safe supply chain anti-fake management and control system takes the agricultural product quality tracing information management platform as the core, supports relevant equipment of other systems, receives, summarizes, analyzes and assesses information data of other subsystems, and build an agricultural product safe supply chain whole-process anti-fake management and control system. The agricultural product safe supply chain anti-fake management and control system forms effective supervision, control and supervision standardized production operation, and effectively ensures reality of information entry, thereby achieving safe supply of agricultural products.

The invention discloses a flexible fiber asphalt mixture and a preparation method thereof. The flexible fiber asphalt mixture comprises the following raw materials in parts by weight: 0.6-3.5 parts of modifier, 4.5-11.5 parts of asphalt, 86-95 parts of mineral aggregate and 0.005-0.02 parts of fibers. The preparation method comprises the following steps: mixing the modifier and preheated aggregate under an agitating condition and evenly agitating; then adding liquid petroleum pitch and evenly agitating; then adding the fibers and evenly agitating; finally adding ore powder, and evenly agitating to obtain the flexible fiber asphalt mixture. The preparation method disclosed by the invention is simple, and the prepared flexible fiber asphalt mixture has good deform resistance, crack resistance, fatigue resistance and high temperature resistance and can be prefabricated into an asphalt pavement layer to be rolled and stored, and moreover, the rolled flexible fiber asphalt mixture can be paved and installed just like paving a carpet in field pavement, so as to quickly finish construction and quickly open traffic.

The invention discloses a heat disposing technique of gear coat of automobile gear box synchronizer, which comprises the following steps: copenetrating carbon and nitrogen at 780-850 deg. c; quenching; cleaning; annealing; testing; setting the carbon potential at 0. 50-1. 0%, nitrogen adding quantity at 5-12m3 / h, carbinon adding quantity at 4-7L / h, propane adding quantity at 0. 5-0. 9m3 / h and ammonia gas adding quantity at 0-30L / h.

The invention provides a flexible bituminous mixture, a preparation method and application thereof, belonging to the technical field of road engineering. Based On the total mass of the flexible bituminous mixture, the flexible bituminous mixture comprises the following components by mass percent: 5-15% (preferably 8-10%) of modified asphalt, 85-95% (preferably 90-92%) of mineral aggregate; based on the total mass of the modified asphalt, the modified asphalt comprises the following components by mass percent: 60-95% (preferably 80-92%) of petroleum asphalt, 5-40% (preferably 8-20%) of additive. The bituminous mixture is prefabricated into flexible bituminous pavement in a plant; on a construction site, the flexible bituminous pavement is paved and installed like spreading a carpet, so as to rapidly repair a pavement or pave a bridge deck and reduce adverse influences of the construction on the surrounding environment and residents.

The invention discloses a method for welding roll gaps of a large-diameter technical roller coiled by plank stuffs. Roll gap grooves comprise a V-shaped groove and a flat-bottom trapezoidal groove with a truncated edge or a U-shaped groove with the truncated edge so that the consistency of the groove size is guaranteed; an assembly is used for combining and aligning the roll gaps so that an edge offset is not generated; two ends and a middle part of a roller are welded with rib plates; before welding, partially pre-heating roller to more than 200 DEG C and then welding; respectively controlling heights of the rib plate in the middle and welding legs of the rib plates at two sides to 8 mm and 10 mm; cleaning greasy dirt and corrosion impurities of the whole groove and the inner surfaces oftwo sides in a range of 50 mm so that the cleaning of the welding surface is guaranteed; utilizing a small-hole welding way of the plasma welding to completely weld the welding line groove with the truncated edge for one time without filling welding wires; conventionally welding the U-shaped groove to satisfy fault detection requirements; after welding, slowly cooling. The method provided by the invention guarantees the consistency among organization and hardness of the welding line and the roller and improves the production quality of the technical roller, so that the quality of the rolled belt steel is reliably guaranteed.

A special cement is prepared by making calcium aluminate cement with specific surface 3750+-250cm2 / g, adding into AL203 and CaO in proportion of 1.41-1.65, and sintering by rotary-kiln or melting by electric-arc furnace. It has better quality.

The invention relates to an energy storage monitoring system comprising a real-time operation system, an electric energy charge system, and a safe WEB issue system which are communicated with a network data transmission platform. The real-time operation system is located in a first safety area and acquires and processes data correlative with an energy storage system. The electric energy charge system is located in a second safety area and performs power grid application analysis and electric energy acquisition statistic. A firewall is arranged between the first safety area and the second safety area. The safe WEB issue system is located in a management information area and issues information to external units. A forward-power-dedicated safe physical isolation device is arranged between the management information area and the first safety area. The energy storage monitoring system uses a layered, distributed, and open network framework, and achieves combined monitoring of a wind power plant and an energy storage power station.

The invention discloses an asexual propagation method for nuclear male sterile line, restores line and common line in cotton by utilizing perennial root. The course of action is that: planting cotton of nuclear male sterile line, restores line and common line in the area that the cotton is capable of living through the winter for the first year and reserving the cotton plant to pass the winter naturally after harvested the seeds; then in the second year or each year later, the cotton plant with perennial root of the previous year gives off lateral bud and grows out new plantlet by the asexual propagation. Harvesting seeds on the plantlet features asexual propagation to realize the asexual propagation for the parents of cotton nuclear coenospecies and cotton line under the conditions of perennial root of high purity strain, so as to maintain the reliability of netic gene and reduce the gene recombination and genovariation due to sexual multiplication; meanwhile, in cooperation with species pollinated by insects during propagating sterile line, the invention can both maintain the hereditary purity and lower the production cost.

The invention discloses a low-voltage user load regulation and control service bearing platform which comprises a high-concurrency data acquisition module, a household intelligent service module, an operation management service monitoring module, an intelligent energy consumption service module and a data analysis module, and the data information of each module is in communication connection. According to the invention, the centralized acquisition and transmission of a follower measurement module, a follower intelligent socket anda panoramic data sensing device are realized, the wide access, interconnection and intercommunication and data fusion of a user side device are promoted, and the energy consumption monitoring and analysis are carried out on the basis of the massive energy data. Amulti-objective optimization coordination control system for low-voltage users is established, so that the stable power supply and load balance of a transformer area are achieved. Meanwhile, the diversified demand response services are provided at a consumption side on the basis of customer demands, the intelligent regulation and control of power utilization loads of the users are achieved, and the customer service experience and perception are optimized and improved.

The present invention discloses a preparation method for a UV blocking and covering copperplate. In the method, an electronic grade glass fibre cloth is used as the substrate material, and the electronic grade glass fibre cloth is saturated in fully milled and curing glue solution which is mainly made of brominated epoxide resin, four-functional resin, acetone, 2MI, DCD and silicon micro powder, and then the electronic grade glass fibre cloth is dried and sliced up, after chip selecting, folding and matching, and covering clutch gold on the surface according to the requirements of products, the electronic grade glass fibre cloth is pressed and molded in a vacuum hot-press. The UV blocking and covering copperplate product provided by the present invention, has the function of screening ultraviolet light and meeting AOI optics, and can meet the requirements of improving the productivity effect and guaranteeing the product quality, and can realize the continuous production, no pollution, and low production cost.

The invention discloses a detecting method and detecting equipment for an ultrahigh vacuum accelerating pipe process section and relates to the treatment and detection of an ultrahigh vacuum metal ceramic welded accelerating pipe process section of an electronic accelerator. The voltage training and detection are gradually carried out on all clearances of a detected process section; after the voltage of a small high-voltage power supply is gradually increased till the detected clearances generate fire striking or electricity leakage, the high-voltage training starts to be carried out; when the voltage is raised to 2.5 times of rated working voltage and reaches a specified electricity leakage and fire striking frequency limit value, the high-voltage training of the clearance is finished, and the quality reaches the standard; only if all clearances reach the standard, the detected process section is judged to be qualified. In order to overcome the defects, the invention provides the detecting method and the detecting equipment for the ultrahigh vacuum accelerating pipe process section, which have a scale production way and are beneficial to improving the production efficiency, reducing the cost and ensuring the quality.

The invention discloses an organic carbon powder explosive reducing agent, which is prepared from the following ingredients in parts by weight: 28 to 32 parts of terephthalic acid, 8 to 12 parts of ammonium benzoate, 8 to 12 parts of calcium benzoate, 38 to 42 parts of hydrogen potassium terephthalate and 8 to 12 parts of simple substance carbon. The reducing agent provided by the invention has the advantages of safety, stability and environment protection.

The invention discloses a material barcode tracking management system which comprises an intelligent handheld equipment terminal and a system server. The intelligent handheld equipment terminal uploads material data to the system server through a wireless network or downloads the same from the system server; the intelligent handheld equipment terminal comprises a JSON (JavaScript object notation) module, a communication module, a GPS (global positioning system) positioning module, a material basic information collection module, a handheld device warehousing-out management module and a handheld device warehouse-withdrawal module. Barcode management technology, mobile platform technology, geographic information technology and GPS positioning technology are applied in an oilfield material management system, so that management ways of the oilfield system are enriched, management level is improved, reliable material application information is provided to management personnel, and materials are ensured to be applied to specific workstations.

The invention discloses a device for measuring the thickness reduction amount of a plate type heat exchanger after sheet compression, and the device comprises a left moving carrying platform, a right moving platform, a laser detection apparatus, and heat exchange sheet axial feeding apparatuses. The left and right moving carrying platform have the same height, and two heat exchange sheet axial feeding apparatuses are respectively located at ends, closing to each other, of the left and right moving carrying platforms, and enables heat exchange sheets to be moved to the right moving carrying platform from the left moving carrying platform. The laser detection apparatus is located between the left and right moving carrying platforms, and comprises two laser ranging finding sensors, wherein one laser ranging finding sensor is located at the top, and the other laser ranging finding sensor is located at the bottom, and the two laser ranging finding sensors are symmetrically set relative to the horizontal plane of the left and right moving carrying platforms. The laser detection apparatus can move along the Y-axis in a parallel manner. The device can achieve the batch detection of heat exchange sheets, is disposed on an oil press production line for monitoring the change of the thickness reduction of heat exchange sheets at any time, and reliably guarantees the quality of the heat exchange sheets.

The invention relates to the technical field of differential pressure transmitter and particularly discloses a floating film box suitable for a micro-differential pressure transmitter. The floating film box comprises a sensor part, a cup body part and body part, wherein the cup body part is welded together with the body part and comprises a cup body, the cup body is welded together with the sensorpart, and an annular cavity is formed in the cup body part along the periphery of the sensor part; the body part comprises an isolation diaphragm and a body, the isolation diaphragm is welded together with the outer surface of the body and is welded together with the positive pressure side end surface and a negative pressure side end surface of the body so as to form two symmetric chambers; and two symmetric flow guiding holes are formed in the body, one end of each flow guiding hole is connected with the annular cavity, the other end of each flow guiding hole is connected with the chambers,and filling liquid is introduced into the chambers, the annular cavity and the flow guiding holes. The floating film box provided by the invention is suitable for the micro-differential pressure transmitter.

The invention discloses an aluminum-like rod surface scraping mechanism. A main shaft for positioning an aluminum rod is arranged on a base, axially locked on the base and provided with a positioning hole through which the aluminum rod can penetrate, a scraping disc which can peripherally rotate relative to the main shaft is arranged on the main shaft, a concave cavity is arranged on the axial end surface of the scraping disc, the cavity opening of the concave cavity is fixedly connected with a cover plate on which a plurality of rolling, centering and scraping devices for the aluminum rod are distributed, a plurality of centrifugal weighting devices matched with the rolling, centering and scraping devices are evenly distributed in the concave cavity, one end of each rolling, centering and scraping device penetrates into the concave cavity to be peripherally connected with a centrifugal weighting device, one end of the main shaft penetrates through a central hole arranged on the cover plate, and the end part is arranged close to the other end of the rolling, centering and scraping device. The invention is beneficial to simplifying the surface treatment process of the aluminum rod, improving and maintaining the original metal structure state of the aluminum rod, improving the yield and decreasing the production cost.

The invention discloses a multi-wavelength laser power calibrating apparatus and method. The multi-wavelength laser power calibrating apparatus comprises a sensor, an apparatus host and a light path locking device. The light path locking device is arranged between a laser source to be measured and the sensor; the sensor converts laser power signals emitted by the laser source to be measured into electric signals and transmits the electric signals to the instrument host to be processed. The multi-wavelength laser power calibrating method comprises the steps of stability testing, sensitivity testing and the like. According to the multi-wavelength laser power calibrating apparatus and method, optical mechanical and electronic integration is achieved. The operation method is easy and convenient to implement, digital display is achieved, the accuracy is high, and the stability is good. The apparatus is miniaturized and is low in weight so as to be suitable for fast detecting power of a laser appliance during field operations.

The invention relates to a drilling and blasting tunnel structure adopting a prefabricated inverted arch. An arch part is an initial support of a tunnel; a secondary lining of a cast-in-place arch wall is arranged in the initial support of the tunnel; the lower end of the secondary lining of the cast-in-place arch wall and a fabricated inverted arch prefabricated block at the bottom are connectedinto a ring through a cast-in-place inverted arch lining; the end parts of both sides of the fabricated inverted arch prefabricated block are provided with fabricated inverted arch block two-side expansion ends; and the end faces are provided with tenons which are in butt joint with blind mortises on the end faces of the cast-in-place inverted arch lining. The drilling and blasting tunnel structure meets the requirements for the basic structural form of the tunnel fabricated inverted arch, and the inverted arch structure is prefabricated in factory-like and standardization modes, so that the reliable quality is ensured, and the quality, strength and other properties of a prefabricated component are much better than those of a cast-in-place structure.

The invention provides a device for reducing super slenderness ratio assembly welding deformation. The device comprises a bracket tool and at least one fixing tool. The fixing tool is installed on the installation reference plane of the bracket tool. The device further comprises two plugs, two quick couplings, a water inlet pipe and a water outlet pipe. The two quick couplings are connected with the two plugs respectively. The water inlet pipe and the water outlet pipe are installed on the two quick couplings respectively. The two plugs, the two quick couplings, the water inlet pipe and the water outlet pipe are equally distributed at the two ends of the bracket tool. The invention further provides a method for reducing super slenderness ratio assembly welding deformation. The method and device are simple and effective, the positioning welding technology of a super slenderness ratio thin wall simple assembly is obtained, the production key is broken through, no complex adjustment of the position dimension of assemblies is needed, the working efficiency is obviously improved, and the quality is reliably ensured.

The invention relates to a polypropylene antistatic composite material and a preparation method thereof, belonging to the technical field of polypropylene composite materials. The invention is characterized in that the polypropylene antistatic composite material contains conductive aluminum borate whiskers, and is AlB[w] / PP for short. The preparation method comprises the following steps: proportionally adding aluminum borate whiskers into distilled water, adding concentrated hydrochloric acid so that the acid concentration reaches 0.6-1.2 mol.L<-1>, proportionally adding tin tetrachloride and urea, heating the mixed liquor to 90-110 DEG C, reacting for 1-3 hours, filtering, washing to remove unreacted substances, drying the filter cake, and calcining to obtain conductive aluminum borate whiskers (AlB[w] for short); and proportionally mixing the AlB[w] and polypropylene, mixing, crushing, putting the mixture in a die, putting the die in a muffle furnace at 180-200 DEG C, keeping the temperature for 30-60 minutes, carrying out die forming in a flat vulcanizing machine, and depressurizing and stripping when the temperature of the die drops to below 60 DEG C, thereby obtaining the AlB[w] / PP.

The invention discloses a production method for stranding a pre-twisted conductor into a cable, which comprises the following steps: firstly, pre-twisting and standing a plurality of conductor cores into a sector or tile-shaped conductor core according to a cable forming pitch; then extruding an insulating layer outside the sector or tile-shaped conductor core; carrying out cable forming and stranding on the sector or tile-shaped core extruded with the insulating layer to form a cable core; and finally, extruding an outer sheath outside the cable core. A conductor pre-twisting device used in the method comprises a frame stranding body and a pre-twisting frame. A plurality of conductor wire coils are arranged on the frame stranding body; the axis of each conductor wire coil is vertical to that of the frame stranding body; a compressing die is arranged on the pre-twisting frame; the frame stranding body and the pre-twisting frame respectively rotate by taking the respective axes as the centers; the rotating speed of the frame stranding body is greater than that of the pre-twisting frame; and conductor wires led out from a plurality of conductor wire coils protrude together after being compressed by the compressing die. Due to the adoption of the technical scheme, the phenomenon of cracking on the insulating layer of the cable, which is caused by stress, is completely eliminated,so that the process quality in cable production is further ensured and the reliable quality guarantee is provided for the subsequent process production.

This invention relates to a composite culture medium for producing lincomycin, and a method for increasing productivity and quality of lincomycin. The composite culture medium is prepared from: corn powder, cornstarch, alpha-amylase, glucoamylase, protease, and methionine or sodium methionine or methioninamide. The method comprises: diluting the composite culture medium with water, adjusting the pH value, adding methionine or sodium methionine or methioninamide, and fermenting. The method can increase lincomycin productivity by 14%, and reduce the cost by 15%. The lincomycin product has a low lincomycin B content (below 1.0%), and low toxic or side effect, thus can be used as a starting material for producing lincomycin derivatives, lincomycin phosphate and lincomycin palmitate used in medical field and animal husbandry.

The invention discloses a clamshell phone pressing testing device and method. The clamshell phone pressing device comprises a base with a control button, the base is provided with a mobile phone clamping device, a lateral supporting board is arranged on the rear side of the base, a horizontal installation platform is arranged at the top end of the lateral supporting board and provided with a pressing device, and the pressing device corresponds to the mobile phone clamping device, is controlled by the control button and can vertically move. The pressing device replaces a traditional manual cover-overturning testing method, the control button on the base controls the pressing frequency of the pressing device and counts the number of pressing times, labor is saved, counting of the number of pressing times is accurate, the efficiency is improved more than ten times compared with the traditional manual pressing testing efficiency, and testing labor is greatly reduced.

The invention provides a high flow regime low temperature early-strength cement based grouting material comprising the following components by mass: 100 parts of sand, 60 to 70 parts of cement, 20 to 30 parts of a mineral admixture, 0.3 to 0.7 part of a water reducing agent, 1 to 3 parts of an expansive agent, 0.03 to 0.06 part of a water retaining agent, 0.1 to 0.3 parts of dispersible latex powder, 0.1 to 0.3 parts of a defoaming agent, 0.01 to 0.05 part of an early strength agent, 0.2 to 0.5 part of a retarder, and 0 to 0.2 part of high polymer synthetic fiber. The grouting material applied in low temperature construction conditions only needs routine maintenance and is in no need of auxiliary heat to reach the designed strength, not only saves the cost in manpower and material resources brought by winter construction measures, and but also provides more reliable quality guarantee for engineering construction. The grouting material initial fluidity is greater than or equal to 340mm in a construction environment at the temperature of 5 DEG C, the fluidity in 0.5h is loss-free, the fluidity in 1h is greater than or equal to 300mm, the grouting material is long in construction time; in 5 DEG C routine maintenance condition, the 1d compressive strength is more than or equal to 30MPa, and the 28d compressive strength is more than or equal to 70MPa. When the environmental temperature is dropped to minus temperature, the 1d compressive strength is decreased, and the final strength development is not affected.

The invention relates to a multi-position 3D scanning online detection method. The method comprises the following steps: 1, installing multiple sets of high-precision laser scanners or lenses used forscanning components from different positions and angles on a production line; 2, adjusting the position, angle and number of laser scanners or lenses according to the actual position of a detection part; 3, obtaining a point cloud set of component information through component scanning data acquired by multiple sets of high-precision scanners or lenses; 4, screening the point cloud data by adopting a curvature filtering and element automatic identification algorithm, and quickly calculating the geometrical characteristics of the component; 5, controlling the classification quality through anequipment system, and checking the collected actual detection data of the part to calculate a detection result. According to the invention, contact type detection parts of detection personnel are notneeded, products can be rapidly detected in batches on a production line, and the detection speed and quality are improved by applying intelligent and informationized means.

The invention relates to a heat treatment process, which is a heat treatment process for a gear sleeve of an automobile gearbox synchronizer, comprising steps: carbonitriding, press quenching, cleaning, tempering, and testing. When the equipment fails, in the carbonitriding step, The carburizing temperature is 780-850°C, the carbon potential is 0.50-1.0%, the amount of nitrogen added is 5-12m3 / h, the amount of methanol added is 4-7L / h, the amount of propane added is 0.5-0.9m3 / h, ammonia The dosage is 0~30L / h. When a failure occurs, the invention can ensure that the surface hardness, hardened layer, and metallographic structure of the product still meet the technical requirements when the time of the part in the furnace is extended to 10 hours, avoiding the phenomenon of product scrapping caused by equipment failure, and greatly Significantly reduce product failure rate and scrap rate.

The invention provides an agricultural product safe supply chain anti-fake management and control system. The agricultural product safe supply chain anti-fake management and control system comprises an agricultural product quality tracing information management platform, an agricultural product production management and control system, a production material supply chain management and control subsystem, a product quality management and control subsystem, a product selling management and control subsystem and a communication network. The agricultural product quality tracing information management platform, the agricultural product production management and control system, the production material supply chain management and control subsystem, the product quality management and control subsystem and the product selling management and control subsystem are connected into the communication network. The agricultural product safe supply chain anti-fake management and control system takes the agricultural product quality tracing information management platform as the core, supports relevant equipment of other systems, receives, summarizes, analyzes and assesses information data of other subsystems, and build an agricultural product safe supply chain whole-process anti-fake management and control system. The agricultural product safe supply chain anti-fake management and control system forms effective supervision, control and supervision standardized production operation, and effectively ensures reality of information entry, thereby achieving safe supply of agricultural products.

The invention discloses an organic carbon powder explosive reducing agent, which is prepared from the following ingredients in parts by weight: 28 to 32 parts of terephthalic acid, 8 to 12 parts of ammonium benzoate, 8 to 12 parts of calcium benzoate, 38 to 42 parts of hydrogen potassium terephthalate and 8 to 12 parts of simple substance carbon. The reducing agent provided by the invention has the advantages of safety, stability and environment protection.

The invention discloses an asexual propagation method for nuclear male sterile line, restores line and common line in cotton by utilizing perennial root. The course of action is that: planting cottonof nuclear male sterile line, restores line and common line in the area that the cotton is capable of living through the winter for the first year and reserving the cotton plant to pass the winter naturally after harvested the seeds; then in the second year or each year later, the cotton plant with perennial root of the previous year gives off lateral bud and grows out new plantlet by the asexualpropagation. Harvesting seeds on the plantlet features asexual propagation to realize the asexual propagation for the parents of cotton nuclear coenospecies and cotton line under the conditions of perennial root of high purity strain, so as to maintain the reliability of netic gene and reduce the gene recombination and genovariation due to sexual multiplication; meanwhile, in cooperation with species pollinated by insects during propagating sterile line, the invention can both maintain the hereditary purity and lower the production cost.