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203results about How to "Reduce cost pressure" patented technology

Corrosion-resistant hot-rolled ribbed steel bar with yield strength not less than 600Mpa and production method thereof

InactiveCN103451525AReduce cost pressureThere is no disadvantage of accelerated corrosion rateEpoxyFree cooling
The invention relates to a corrosion-resistant hot-rolled ribbed steel bar with yield strength not less than 600Mpa. The corrosion-resistant hot-rolled ribbed steel bar comprises the following components in percentage by weight: 0.17-0.28% of C, 0.50-0.90% of Si, 0.70-1.50% of Mn, 0.04-0.009% of P, not more than 0.015% of S, 0.08-0.15% of V and 0.025-0.045% of Nb. A production process comprises the following steps: desulfurizing molten iron; performing top and bottom combined blowing by virtue of a converter; refining by virtue of an argon station; refining by an LF (ladle furnace); performing continuous casting; stacking and cooling to a room temperature; heating a cast blank; performing rough rolling and finish rolling; naturally cooling to the room temperature. Compared with a steel bar with an epoxy resin coating, the corrosion-resistant hot-rolled ribbed steel bar has no defect of acceleration of corrosion rate caused by shedding of the coating; compared with the steel bar made of stainless steel, the corrosion-resistant hot-rolled ribbed steel bar has the advantage that the content of Cr is greatly reduced; compared with the ordinary steel bar, the corrosion-resistant hot-rolled ribbed steel bar has the advantage that the resistance to Cl ion corrosion is above 2 times higher than that of the ordinary steel bar; only the refining by virtue of the LF is additionally performed in an existing 400MPa grade steel bar process line, the increase in per ton of steel does not exceed 30 yuan, and then the production can be met.
Owner:武汉钢铁有限公司

A GPU cluster deep learning edge computing system oriented to sensing information processing

The invention relates to a GPU cluster deep learning edge computing system oriented to sensing information processing. pre-feature extraction is carried out on sensing information by using weak computing power of front-end intelligent sensing equipment; the quantity of original data information is greatly compressed, then the rest processing tasks are transmitted to a GPU cluster for large-scale sensing data feature clustering set processing, the computing power of front-end intelligent sensing equipment can be dynamically adapted through task splitting processing, and the cost pressure of theconsistency requirement of the front-end sensing equipment and hardware versions is reduced; The communication pressure of the edge computing network is reduced, so that the cost of constructing theedge computing network is greatly reduced; Network data feature transmission hides user privacy;, the SPMD advantages of the GPU are brought into play through the clustering operation according to thedata transmitted in the network and the stored data core characteristics, the parallel computing efficiency of edge computing is improved, and meanwhile, the large-scale parallel computing capacity of the GPU cluster and the advantages of low cost and high reliability are effectively brought into play.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Programmable general tyre pressure sensor installation system and installation method

The invention relates to a programmable universal tire pressure sensor setting system and setting method, which includes a tire pressure sensing device, the tire pressure sensing device includes a sensor for sensing the air pressure and temperature inside the tire, and a sensor for receiving external signals A receiver, a storage processing group connected to the sensor and the receiver, a transmitter connected to the storage processing group; a power supply group providing power required by the tire pressure sensing device. Its setting method is to first take an unactivated tire pressure sensing device, and then select a specific activation signal by a processing device, transmit the activation signal to a program coding device, activate the tire pressure sensing device through the program coding device, and make the tire pressure The sensing device becomes a sensing device conforming to a specific coded program, which in turn communicates in telecommunication with an external specific monitoring device. The present invention not only changes the conventional installation method, makes the installation method simpler, but also greatly reduces the cost pressure on stock preparation, and obviously improves the problem of conventional products.
Owner:CUB ELECPARTS

Zirconium-based amorphous alloy and preparation method thereof

ActiveCN103484800ALow preparation requirementsOverall performance will not be affectedMetallic materialsCritical dimension
The invention belongs to the technical fields of metal materials and metallurgy, relates to an amorphous alloy material, and particularly relates to a zirconium-based amorphous alloy and a preparation method thereof. By adjusting the atomic percentage content of each component in the zirconium-based amorphous alloy and adding nonmetallic elements Y and Sc into the zirconium-based amorphous alloy, the preparation requirement on the amorphous alloy can be lowered; more importantly, on the premise of not reducing the comprehensiveness, the high requirement on the purity of raw material is greatly lowered while a certain quantity of impurity elements can be allowed to be reserved in the raw material. Therefore, by properly adjusting the proportion of the nonmetallic elements such as Si and C in the amorphous alloy, the comprehensive performance of the zirconium-based amorphous alloy is not influenced, and the stress on the raw material cost can be reduced in industrial batch production. Through the preparation method provided by the invention, a large zirconium-based amorphous alloy with critical dimension of over 3mm can be obtained; the zirconium-based amorphous alloy has excellent mechanical property, and the requirement on the purity of raw materials and the content of impurity elements is low.
Owner:METASTABLE TECH INVESTMENT CO LTD

Method for high-precision positioning of automobile through scene recognition

The invention provides a method for high-precision positioning of an automobile through scene recognition. The method comprises steps as follows: a car captures a driving environment characteristic target in different positions through a car-mounted terminal, calculates the characteristic points (certain positions like geometrical center) of the characteristic target and uploads the characteristic points to a data center, the data center calculates the accurate position of the characteristic target based on different capturing positions of the same characteristic target, and the accurate position of the car is calculated according to the accurate position of the characteristic target. The car-mounted terminal integrating a camera, an inertia unit and a satellite positioning unit is used for acquiring the driving characteristic target of the car, image characteristic point extraction and information integration are performed, the position of the car can be calculated according to the position of the characteristic point, the position of the characteristic point is calculated by the data center, and data transmission between a car-mounted module and a data service center is realized. The car-mounted terminal is mounted above the middle of front windshield glass of the car.
Owner:CHINA FIRST AUTOMOBILE

Video conference co-channel multi-source live broadcast method and system

The invention provides a video conference co-channel multi-source live broadcast method and system. The video conference co-channel multi-source live broadcast system comprises a multipoint control device and at least two conference terminals; the multipoint control device establishes a video conference live connection for each conference terminal, receives streaming push capability information from each conference terminal, and sends the received streaming push capability information of each conference terminal to all conference terminals; and each conference terminal determines a conferenceterminal that has the best streaming push capability information in all conference terminals according to the received streaming push capability information of each conference terminal, and the conference terminal with the best streaming push capability information performs live broadcast and streaming push on the audio and video information of the video conference site to a streaming server. Theinvention uses the existing equipment and the own capability of the video conference, and realizes the method for same source multi-channel intelligent autonomous switching of live video conference through each conference terminal; therefore, the investment of other director or external devices is saved, the complexity and operation difficulty of the live broadcast system are reduced, and the invested cost and bandwidth pressure are reduced.
Owner:SHANGHAI AVCON INFORMATION TECH

Low-alloy high-strength corrosion-resistant steel bar and preparation method thereof

The invention relates to a low-alloy high-strength corrosion-resistant steel bar composed of Al, Ti, Cr and other elements and a preparation method of the low-alloy high-strength corrosion-resistant steel bar, and belongs to the technical field of steel preparation. The low-alloy high-strength corrosion-resistant steel bar comprises the following components in percentage by weight: 0.05-0.2% of C,0.1-1.0% of Si, 0.8-1.5% of Mn, 0.5-1.5% of Cr, 0.005-0.15% of Ti, 0.005-0.60% of Al, 0.005-0.05% of V, 0.01-0.03% of Nb, less than or equal to 0.045% of S, less than or equal to 0.045% of P and thebalance of iron and inevitable impurity elements. The preparation method comprises the following steps that smelting is carried out in a converter to obtain crude molten steel, the crude molten steelenters an LF (ladle furnace) to be refined to obtain refined molten steel, the refined molten steel is continuously cast into small square billets, the small square billets are heated and soaked in aheating furnace, and rolled into steel bars with target specifications on a bar rolling mill, and the structure of the obtained corrosion-resistant steel bar is ferrite and pearlite. Compared with other corrosion-resistant steel bars, the production process is simple, and the obtained corrosion-resistant steel bars are high in yield strength and tensile strength and good in corrosion resistance.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Technology for preparing thiosulfate on site and extracting gold from refractory gold ore

The invention relates to a technology for preparing thiosulfate on site and extracting gold from refractory gold ore. The technology comprises the following steps: crushing sulfur-containing refractory gold ore, and powdering by ball milling; roasting the powdered gold ore in one time under inert gas to obtain primary roasted ore and smoke A; roasting the primary roasted ore for the second time inair or oxygen-containing oxide mixed gas so as to obtain secondary roasted ore and gas B; cooling the gas B and charging into an alkaline solution for absorbing, so as to obtain a solution C; mixingthe smoke A and excessive hydrogen, and reacting to obtain a gas product D; reacting the cooled and dedusted gas D and B to generate sulphur; reacting sulphur and the solution C to obtain a thiosulfate solution. In case of gold ore without arsenic antimony, the technology comprises the following steps: cooling the smoke A, and reacting with the solution C to prepare thiosulfate solution; cooling and performing size mixing on the secondary roasted ore; and adding the thiosulfate solution to extract gold. The technology has the advantages of being green, environmentally friend, extracting gold without cyanogen, low in energy consumption, low in cost, high in economic benefit, high in social benefit, and high in environmental benefit.
Owner:NORTHEASTERN UNIV

Process for using specific desulphurization mixed bacterium for high sulfur coal mine biological desulfurization

ActiveCN104745497AEfficient removalSolve the problem of low removal efficiencyBacteriaMicroorganism based processesGas compositionSulfur
A process for using specific desulphurization mixed bacterium for high sulfur coal mine biological desulfurization is as follows: ore is crushed to-25mm for heap construction, the heap height is 8-10m, temperature and gas composition induction devices are embedded during heap construction; then spray operation is performed, the spraying intensity is 10-15L / (M<2>.H), the spray solution contains 107-108cfu / mL of specific desulphurization mixed bacterium CGMCC NO.8336, the oxidation reduction potential of the spray solution is more than 700mV (SCE), the spray operation is performed according to the mode of spraying for 7 days and resting for 5 days or spraying for 7 days and resting for 7 days, the in-heap temperature is controlled at 45 to 60 DEG C, and the leaching system pH value is 1.5 to 1.8. The process has the advantages of short process, simple equipment, small investment, low cost, no pollution, larger or smaller production scale, and capability of processing high sulfur coal mine resources which cannot be processed by traditional mineral processing and metallurgical technology, and can expand the resource utilization scope and improve the comprehensive recovery level of the coal mine resources.
Owner:有研资源环境技术研究院(北京)有限公司

Comprehensive recycling utilization method of potassium-containing wastewater generated in synthesis process of dicamba

The invention discloses a comprehensive recycling utilization method of potassium-containing wastewater generated in a synthesis process of dicamba. The comprehensive recycling utilization method comprises the following steps: adding acid into potassium-containing wastewater I generated in the synthesis process of the dicamba, and naturally depositing; conveying a water layer obtained by layering into a macroporous adsorption resin bed through a pump; adsorbing and recycling dicamba intermediates, namely 2,5-dichlorophenol and 3,6-dichlorosalicylic acid, in the water layer through the macroporous adsorption resin bed; adding active carbon and stirring and filtering; adding alkali liquid to adjust the pH (Potential of Hydrogen); adding active carbon into potassium-containing wastewater IV; stirring and filtering; conveying the wastewater into a chelating resin bed through the pump; removing high-valent metal cations in the alkaline potassium-containing wastewater IV through ion exchange; conveying the wastewater into a cation exchange resin bed through the pump; carrying out the ion exchange to obtain a potassium hydrogen carbonate solution and an ammonium chloride solution respectively; and drying an obtained potassium hydrogen carbonate wet product to obtain potassium hydrogen carbonate, or calcining the potassium hydrogen carbonate wet product at a high temperature to obtain potassium carbonate.
Owner:ZHEJIANG DAYANG BIOTECH GROUP
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