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 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 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 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.

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 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 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 a process method for casting a low-temperature ductile iron hub for a high-power wind driven generator in a way of no frozen iron and riser, the hub is cast by adopting a low-temperature erosion-resistant ductile iron casting, and furan resin-sand is taken as molding sand; the sand mold has no riser and frozen iron, microvibration is carried out after the completion of themolding for compaction, the pouring speed of the cast liquid entering a mold cavity is controlled between 0.3m / s and 0.8m / s, and the pouring time is controlled at 160-600s, a filter screen is adoptedto filter the cast liquid when casting the cast liquid. Mold parting and core parting of the sand mold place the heavy section which is the junction surface with a main shaft at the highest place of the upper box of the sand mold. The process method can cast the hub for the high-power wind driven generator without using frozen iron and riser, which greatly reduces labor intensity, improves process casting yield and production efficiency, reduces production cost and improves inherent quality and surface quality of castings.

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.