43results about How to "Savings" patented technology

The invention relates to an X-ray nondestructive inspection method, belongs to the technical field of nondestructive inspection and particularly relates to a method using a photographic density value to measure the homogeneous material thickness. The method comprises the first step of previously estimating the thickness of the detected homogeneous material and choosing a standard step test block, the second step of carrying out radiography on the chosen standard step test block and using a nigrometer to measure the density value corresponding to the standard step test block, the third step carrying out fitting between the radiography density value measured by the nigrometer in the second step and the chosen density value of the standard step test block in the first step to obtain a fitting formula and the fourth step of using the method in the second step take pictures for the homogeneous material to be tested, measuring the radiography density value and substituting the density value into the fitting formula obtained in the third step to calculate the density value of the homogeneous material to be tested.

The present invention provides a pressure distributing sensor system with a small-sized and light weight circuit, a low price pressure distributing sensor, a low cost whole system. The pressure distributing sensor system of the invention is provided with: having two-eight mutually independent pressure-sensitive electroconductivity elements (4) and outspread wirings (2) from it and a pressure distributing sensor S of a terminals (3) (at a crossing point of a line electric pole and two-eight column electrodes with pressure-sensitive electroconductivity element ) in a film parent metal (1); a processing circuit having an amplifier connecting with terminals (3) for measuring the voltage-sensitive electroconductivity elements (4) respectively; software for computing and measuring signal from the process circuit and displaying, recording, analyzing results, wherein the top shape of the film parent metal (1) and the place of the voltage-sensitive electroconductivity element (4) in the film parent metal (1) are suitable to use.

The invention discloses a method for preparing silicon tetrafluoride by a rotary kiln. The method is characterized in that sodium fluosilicate and sulfuric acid undergo a pre-reaction; reaction products are fed into a rotary kiln and then undergo a further reaction, wherein the pressure in the rotary kiln is in a range of -2 to -5 Kpa and temperatures of front, middle and rear sections in the rotary kiln are respectively controlled to 160-190 DEG C, 191-220 DEG C and 221-250 DEG C; and after the reaction, silicon tetrafluoride and HF mixed gas are separated. According to the invention, sodium fluosilicate and sulfuric acid undergo a reaction in the rotary kiln as a reactor; a by-product sodium fluosilicate produced by phosphate fertilizer plants can be used as a raw material; and a main solid waste sodium sulfate produced by the rotary kiln still can be recovered by the phosphate fertilizer plants and be used for producing sodium fluosilicate. By a three-section heating method, the raw materials react completely. In addition, intractable three wastes are not produced; a waste acid concentration device is avoided; and a device investment is greatly saved.

The invention relates to a method for coupling an MTO process and a naphtha and propane cracking progressive separation process, and mainly aims to solve the problems of unreasonable process design, relatively large investment and relatively low raw material product benefit of an existing coupling technology. According to the technical scheme of the method for coupling the MTO process and the naphtha and propane cracking progressive separation process, MTO product gas is compressed and dried, and then enters a crude separation tower; an overhead stream of the crude separation tower including below C2 and partial C3 components enters an ice chest in the naphtha and propane cracking progressive separation process; a bottom stream of the crude separation tower including rest C3 and above C4 components enters a depropanizer in the MTO separation process; a bottom stream of the depropanizer enters a debutanizer in the naphtha and propane cracking progressive separation process. Therefore, the problems can be relatively well solved, and the method can be used for producing light olefins.

The invention provides an online taxation billing method based on intelligent terminal U-KEY management. The invention relates to a billing technology which dose not increase burden on taxpayers, enriches billing network channels, realizes 'complete online', fully utilizes resources of a client side, lowers the processing pressure of a service side, integrates various service resources, improves the user experience of billing service, provides differentiation service, introduces a third party organization with social credibility and rich service resources on the basis of the existing service capability of a tax authority, and creates and relies on a 'complete online' billing system and a relevant service platform.

The invention relates to a method for coupling an MTO process with the front-end depropanization process of naphtha and propane pyrolysis and mainly solves the problems that the existing coupling technology is high in pyrolysis raw material cost, low in propylene yield, long in MTO device separation flow and high in equipment engineering investment. The method has the advantages that the MTO process is coupled with the front-end depropanization process under the premise that the total yield of ethylene is unchanged and by the aid of the existing separation equipment of an ethylene device, methanol and propane are used to replace most of naphtha, the yield of the propylene is increased by 38500-190200 tons/year, the use amount of the naphtha is reduced by 2095200-3842300 tons/year, product and raw material costs are saved by 1.267-2.932 billion yuan per year, the problems above are well solved, and the method is applicable to the production of low-carbon olefin.

The invention relates to a method for coupling an MTO (methanol to olefin) process with a process of preparing ethylene by cracking naphtha steam, and aims at mainly solving the problems that an existing coupling technology is unreasonable in process design, large in investment and high in operating cost. According to the technical scheme, the method for coupling the MTO process with the process of preparing ethylene by cracking naphtha steam is adopted; an MTO product gas enters a coarse separation tower after being compressed and dried; coarse separation tower top stream including components below C2 and a part of C3 components enters a deethanization tower in the process of preparing ethylene by cracking naphtha steam; coarse separation tower kettle stream including residual C3 components and components over C4 enters a depropanization tower in the MOT separation process; the depropanization tower kettle stream enters a debutanization tower in the process of preparing ethylene by cracking naphtha steam, so that the problems are well solved, and the method can be applied to production of light olefins.

The invention relates to the technical field of digital signal processing, and particularly discloses a low-offset Sigma-with an adjustable input range. The delta modulator comprises an input signal sampling module, a first reference voltage sampling module, a second reference voltage sampling module, a first input signal range adjusting module, a second input signal range adjusting module, an integration module and a comparison module, wherein the input signal range adjusting module I and the input signal range adjusting module II are respectively connected with the input signal sampling module; the input signal sampling module is connected with the integration module, the integral module is connected with the comparison module; the two ends of the first reference voltage sampling moduleare connected with the integration module and the comparison module respectively, the two ends of the second reference voltage sampling module are connected with the integration module and the comparison module respectively, a PGA circuit does not need to be additionally arranged, the area and the effect of a chip can be effectively saved, and the low-offset characteristic is achieved.

The invention discloses a poplar 107 plantation method, and the method comprises the steps of (1) between February and March, taking a polar seedling 107 that has grown more than 3 years as a seed sprout, and cross cutting the seedling 3-5 meters high on the ground to obtain an original seedling stump and a stalk; (2) segmenting the stalk to so that each segment is 2-3 meters, removing the lateral branches on each segment and then planting each segment in a plantation aperture, wherein the diameter of the plantation aperture is 30-40 cm, the depth is 60-70 cm, and the plant spacing is 2-3 meters. The new tree obtained by the method has the advantages that the bark is smooth; the tree is suitable for road and garden greening while having no polar catkins, thereby reducing allergen and secondary disasters like fire hazards and reducing traffic accidents at the same time. The new tree obtained by the poplar 107 plantation method has the advantages that the growth is rapid; the branches are lush; and the root system is developed, thereby preventing water and soil loss and protecting the environment; the rotation cycle is shortened to 4-5 years, saving new poplar 107 lumber and rotation time.

The invention provides a method for obtaining a tennis ball drop point in tennis sports. The method includes steps of shooting an image of a tennis ball through a horizontal camera; comparing the image of the tennis ball with a proportional scale for obtaining X-axis coordinates (101); shooting another image of the tennis body through a vertical camera and comparing said image with the proportional scale to obtain Y-axis coordinates (102); obtaining the drop point of the tennis ball by combining the X-axis coordinates with the Y-axis coordinates. The method has advantages of low cost and high popularization rate.

The invention provides a sparse linear array antenna, and relates to the field of wireless communication. The sparse linear array antenna comprises a plurality of array elements which are distributedin a given array aperture in a non-uniform mode, the parameter optimal values of the array element number, the array element positions and the array element excitation of the array can be obtained according to the given directional diagram index requirements, and the final structure of a sparse linear array antenna is determined according to the parameter optimal values. According to the sparse linear array antenna, a compressed sensing model which only optimizes sparse excitation is revised into a generalized compressed sensing model which simultaneously optimizes the array element position and the sparse excitation by combining a parameter learning theory and a sparse recovery theory, so that the array comprehensive problem can be effectively solved by adopting the existing alternative optimization algorithm, the grid quantity and the mismatch error caused by grid division are effectively reduced, and the sparse linear array antenna can be suitable for the synthesis of various shapedbeams while the array element quantity is saved by optimizing the array element number, the array element positions and the array element excitation.

The invention discloses an electric vehicle with a multi-energy cycle. The electric vehicle with the multi-energy cycle comprises a storage battery group and a motor connected with the storage batterygroup, wherein the storage battery group is separately connected with a differential pressure type power generation device, a vehicle shock absorption power generation device, a vehicle wind energy power generation device and a heat energy recovery power generation device, and mechanical energy, wind energy, solar energy and heat energy are converted into electric energy by the corresponding differential pressure type power generation device, vehicle shock absorption power generation device, vehicle wind energy power generation device and heat energy recovery power generation device to chargethe storage battery group and drive a vehicle to run. The electric vehicle with the multi-energy cycle is not affected by the charging time, but also has the characteristics of receiving, converting,supplementing and using light, electricity, wind, heat, cold and temperature difference energy or storing stored energy sources all the time during the daytime when driving or stopping, so that the effects of small size and particularly large energy storage as a whole are achieved, the normal use of the vehicle is not affected no matter how much the battery charging storage amount is at any time,and the vehicle can be driven at any time just like an oil-fueled vehicle. The electric vehicle with the multi-energy cycle is small in size, easy to manufacture, low in cost, particularly high in energy utilization rate and particularly large in capacity and stored energy.

The invention relates to a lead-free combined firework concentrated in emission and filled with gunpowder. The bottom of each tubular body is provided with an explosive groove used for improving the concentration strength of gunpowder emission; the bottom face of each gunpowder groove is provided with a fire leading hole which is a through hole; the bottom face of a firework body is provided with a fire leading groove; the fire leading holes are communicated with the fire leading groove in the bottom face of the firework body; and the fire leading holes and the fire leading groove are filled with slip casting gunpowder. The lead-free combined firework concentrated in emission and filled with the gunpowder solves the problem that a lead, a glue lead, a cutting lead and an inserting lead need to be made for a combined firework, the work procedures are reduced, cost is reduced, safety is improved, and the problems that in the firework set-off process, rolling movement happens, the emission force is not concentrated, and direction is not stable are also solved.

The invention discloses a stacking heat treatment process of an iron-based high temperature alloy and a performance research, and belongs to the field of ferroalloy processing. The iron-based high temperature alloy D3 is selected as a stacking material, the iron-based high temperature alloy is subjected to heat treatment through aging treatment with different temperatures and times, and organization and performance change laws of the D3 iron-based high temperature alloy subjected to heat treatment at different temperatures are studied through hardness analysis, metallographic analysis and X-ray diffraction analysis, the aging hardness of the D3 after heat treatment at different temperatures is higher than that of original stacking welding; the hardness value of the D3 aged at 750 DEG C for10 h is the maximum, and M6C and Laves phases of the D3 are the primary strengthening phases; when the working temperature is 700-800 DEG C, the thermal stability propertyof the D3 can be obviously better than that of H13 and 3Cr2W8V. The D3 has good thermal stability.

The invention discloses a vehicle special for horizontal blue oil fitting of a rudder stock, and belongs to the field of ship machinery. The vehicle comprises a rudder stock, a transverse rod, a screw rod, V-shaped seats, free adjusting structures, a vehicle body assembly, a guide rail and a chain wheel group, wherein two groups of rail wheels are arranged below the vehicle body assembly; the rail wheels are arranged on the guide rail; two groups of free adjusting structures are arranged on the vehicle body assembly; a V-shaped seat is arranged in each group of free adjusting structures, and is positioned over the rail wheels; the rudder stock is arranged on the V-shaped seats; the rail wheels are connected with a power mechanism through the chain wheel group; each V-shaped seat is a six-degree-of-freedom adjustable base; each free adjusting structure comprises front and back adjusting bolt groups, upper and lower adjusting bolt groups, a compression bolt group, left and right adjusting bolt groups and a pressure block group; the transverse rod is made of profile steel or a wood rod; the screw rod is a double-head screw with opposite rotation directions; and the guide rail and the rail wheels are subjected to secondary grinding machine processing. In the vehicle, a transverse lying static blue oil fitting process is adopted, so that the blue oil fitting cost is lowered, the process quality is enhanced, and the long-term dependence on cooperated operation of an automobile crane is eliminated.

The invention relates to an electric energy transaction system based on a block chain. The system comprises a block chain infrastructure and an intelligent electricity storage. The block chain infrastructure is used for storing an obtained electricity purchasing message in a first array, storing an obtained electricity selling message in a second array, and sending the electricity purchasing message and the electricity selling message to the intelligent electricity storage when detecting that both the first array and the second array are not empty; The intelligent electricity storage is used for determining an electric energy trading price according to the received electricity purchasing price and the electricity selling price; determining an electric energy trading volume according to the received electricity purchasing quantity and the received electricity selling quantity; according to the electric energy trading price, reducing the account amount of the electricity buyer and increasing the account amount of the electricity seller; and increasing the electric quantity of the electricity buyer account and reducing the electric quantity of the electricity seller account according to the electric energy trading volume. By adopting the system, the intervention of a third-party manager and a supervisor is not needed, so that the electric energy transaction has high efficiency.

The invention discloses a method for measuring and calculating the price reduction range and the saved amount of medicine group purchase, and the method comprises two parts: the first part is to carry out the matching and grouping of A platform (to be measured and calculated) medicines and GPO medicines, and the second part is to carry out the measurement and calculation of the price reduction range and the saved amount of medicines. According to the method, the conversion of drugs on different platforms is realized through catalog matching, the conversion of drug purchase amounts on different platforms is realized through daily average consumption, and the prices of drugs are compared and the overall drug cost is calculated through daily average cost; the method can predict the total purchase amount for converting medicines on an original purchase platform into medicines purchased by a group before the medicines are online and calculate the total purchase amount for converting medicines purchased by the group into medicines on the original purchase platform after the medicines are online, thereby calculating the amount saved by group purchase and comparing the total price reduction range of medicines purchased by the group with the original purchase platform. And data support is provided for medical insurance decision making.

The invention relates to a cracking sequential separation method and methanol to olefins (MTO) coupling method of naphtha and ethane, and mainly solves the problems of high consumption of naphtha andethane raw materials, small yield of propylene, large number of byproducts and high production and operation cost in the prior art. According to the method, the cracking sequential separation method and MTO coupling method of naphtha and ethane are adopted, and through a sequential separation technical process of an ethylene plant, an ethylene plant of 1-1.2 million-ton/year is coupled with an MTOplant of 1.8 million-ton/year, so that the amount of naphtha and ethane consumption can be reduced by 0.7855-1.1792 million-ton/year, the propylene yield is increased by 0.1323-0.2452 million-ton/year, and the economic benefits are increased by 0.29-1.29 billion-yuan/year. According to the technical scheme, the problems are well solved, and the method can be used in cracking sequential separationand MTO coupling of naphtha and ethane.

The invention relates to the technical field of furniture part machining, and discloses a three-in-one integrated forming machine for a connecting rod. The three-in-one integrated forming machine comprises a main framework, wherein a three-in-one forming mechanism is fixedly mounted on the back face of an inner cavity of the main framework, and a tail punch mechanism base is fixedly mounted on theright side of the main framework; a three-in-one mold mounting mechanism is fixedly mounted on the front surface of an inner cavity of the main framework, and the back surface of the three-in-one mold mounting mechanism is fixedly connected to the front surface of the three-in-one forming mechanism. According to the three-in-one integrated forming machine for the connecting rod, a cut-off mechanism and a three-in-one front punch are matched for cutting materials fed by a feeding mechanism according to regulated length; a threaded head is punched out by a first mold; a clamping jaw transmission mechanism is matched with a clamping jaw connecting rod to send a semi-finished product into a second mold, namely a punch step forming mold performs step forming; the semi-finished product falls into a slide path to enter a screw tooth forming mechanism after the punch is completed by a third mold, so that cost of manual labor force is saved, and waste of manual carrying is reduced.

The invention relates to a production task distribution pulling system and method. The system is used for single-piece/small-batch part production. The system comprises a plurality of machining units,mobile vehicles moving between the machining units, and a production task distribution pulling control unit, the production task distribution pulling control unit is separately connected with the machining units and the mobile vehicles, the production task distribution pulling control unit creates a mobile path of the mobile vehicles and controls the mobile vehicles of the machining unit to moveto the next machining unit, and the production task distribution pulling control unit transmits pulling information to the previous machining unit and sends a production demand to the previous machining unit. Compared with the prior art, the system and method is advantageous in that the production cycle is greatly shortened, the consumption of raw materials in a production process is reduced, thefund investment is reduced, and the economic benefit is increased.

A contents distribution system comprises a contents provider and a user's portable terminal player. The contents provider, which comprises a contents server and a user information database storing therein user download information and right information, distributes contents over a communication network according to the SDMI check-in/check-out rule. The user's portable terminal player comprises a recording medium playback function that plays back the contents downloaded on a recoding medium and a check-in function that returns a playback right to the contents provider. When the contents are distributed to the portable terminal player, the contents provider manages contents distribution according to the check-in/check-out rule in such a way that the contents provider manages the number of check-outs of the contents to the user and, when the user checks in the distributed contents, the portable terminal player erases a contents playback encryption key and a file name and, at the same time, returns the playback right to the user information database.