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30results about How to "Achieving system performance" patented technology

Composite solid-waste lightweight high-strength haydite and preparation method therefor

The invention provides composite solid-waste lightweight high-strength haydite and a preparation method therefor. The composite solid-waste lightweight high-strength haydite is mainly prepared from the following raw materials in parts by weight: 40.0-60.0 parts of iron tailings, 10.0-15.0 parts of auxiliary raw materials and 0.1-3.0 parts of foamer. The composite solid-waste lightweight high-strength haydite further contains sludge, wherein the dry sludge content of the sludge is 30.0-50.0 parts. The preparation method comprises the steps: accurately weighing the sludge, the iron tailings, the auxiliary raw materials and the foamer according to a designed ingredient proportioning ratio, and carrying out uniform mixing so as to form a uniform basic mixture; and carrying out granulating and shaping so as to obtain unburned haydite, burning the unburned haydite, and carrying out annealing and cooling, thereby obtaining municipal sludge and iron tailing cooperated haydite. The haydite is prepared from the sludge and the iron tailings, which are cooperated with each other and serve as main raw materials, so that the sludge is subjected to harmless treatment and resource-converting utilization, the sludge, which is a municipal mineral product, is used for replacing a primary mineral raw material, and thus the economic and environmental benefits are remarkable.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Integrated detection system and method of management and control

The invention provides an integrated detection system and method of management and control, which is applied to the detection field, wherein, the system is composed of hardware and software; the hardware comprises a video device, a test piece preparation instrument, a disposable label, a label information reader, a test piece curing or conservation device or facility, a test piece storage room or instrument, a transportation tool, a test piece detection instrument, a business management computer, a database server and a printer; the software comprises data acquisition software, transmission tool software and business management software; the video device is connected with the database server through networks; the test piece detection instrument is connected with the database server through networks; the database server is connected with the business management computer through networks; and the business management computer is connected with the printer through networks. The invention improves laboratorial integral management level, realizes the electronization of detection process and informationization of history traceability, reduces information filing workload greatly, realizes systematic and complete information detection, and prevents information omission.
Owner:周巍 +1

Management and control integrated system and method for detecting strength of cement concretes

The invention relates to a management and control integrated system and a method for detecting the strength of cement concretes, which are applied to the detection industry. The system comprises a hardware part and a software part and is characterized in that the hardware part comprises a video device, a concrete test mold, a disposable tag or an RFID electronic tag, a tag information reading device, a health-preserving box or a health-preserving room, a strength testing instrument, a service management computer, a database server and a printer; and the software part comprises data acquisition software, transmission tool software and service management software. The system and the method improve the detection management level, achieve electronization of the detecting process and informatization of the history traceability, electronic record, process, count and analyze the detection information, greatly lighten the workload for archiving information, define the record content and the format of the detection information, facilitate different mechanisms to share the detection information so as to achieve the summarizing counting and analysis of the detection information of the different mechanisms, add information on a detection contract, a detection scheme, a test piece flow, a detection device and the like into the system for management, achieve the systematicness and the integrality of the detection information, and prevent information omissions.
Owner:周巍 +1

Petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint

The invention provides a petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint. The method comprises the steps: collecting different types of hydrocarbon source rock samples sequentially according to thermal evolution degree, abundance of organic matter, lithology and organic matter type; carrying out the thermal simulation experiment of the collected samples, quantifying discharged oil and retention oil at each temperature point, employing the organic carbon analysis of residue, Rock-Eval detection, and vitrinite reflectance analysis; drawing an oil discharge rate chart of different types of hydrocarbon source rocks; selecting geological sections of different basins as actual geological samples; densely collecting the hydrocarbon source rocks and storage layer rock core samples and carrying out organic carbon analysis, Rock-Eval detection, vitrinite reflectance analysis and chloroform bitumen quantitative analysis on actual geological sections; drawing an oil discharge rate parameter curve of an actual geological sample; and obtaining the petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint according to the oil discharge rate charts of different types of hydrocarbon source rocks and the oil discharge rate parameter curve of the actual geological sample.
Owner:PETROCHINA CO LTD

Modeling implementation system based on steel crude fuel purchasing valuation

The invention discloses a modeling implementation system based on steel crude fuel purchasing valuation. The modeling implementation system comprises a data preparation module and a data processing module, wherein the data preparation module is used for providing steel crude fuel composition definition information, valuation standard and rule information and collection, checking and matching information, including metrical information and checking and testing information, of various data; the data processing module is used for reading corresponding valuation standard information and valuation rule information in the data preparation module according to business-related information set in an information system, matching the valuation standard information and the valuation rule information with the complete metrical information and the checking and testing information in a combined mode, and contrasting actual checking and testing result values according to material information and predetermined valuation standards and valuation rules to obtain a settlement valuation model of crude fuel. The modeling implementation system based on steel crude fuel purchasing valuation can realize accurate and efficient processing of crude fuel settlement valuation for an iron and steel enterprise, can be adapted to rapid configuration after crude fuel settlement management rules change, and can realize crude fuel settlement management and systematic management of a purchasing and supply management system and a peripheral management system.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD

Frame-type bidding and tendering management platform for industrial shaped products

The invention provides a frame-type bidding and tendering management platform for industrial shaped products. The frame-type bidding and tendering management platform comprises a server, and a biddingmodule and a bidding evaluation module which are respectively in communication connection with the server, wherein the bidding module comprises a frame type bid inviting variety detail list; the quotation sub-module is used for filling and reporting bidding prices by suppliers on the basis of the frame-type bidding variety detail list; the bid evaluation module comprises a single product price evaluation sub-module which calculates a single product quotation score for each supplier for the single product quotation of each supplier; the supplier comprehensive price review sub-module is used for calculating a comprehensive quotation score of each supplier based on the single product quotation score of each single product of each supplier; the weight coefficient sub-module is used for calculating the price weight of a single product; and the weighted price review sub-module is used for calculating the weighted price score of the supplier based on the comprehensive quotation score of thesupplier and the price weight of the single product.
Owner:SINOPEC ENG +1

Underground rock mass engineering ground pressure management and control method

The invention discloses an underground rock mass engineering ground pressure management and control method. The method comprises the following steps that firstly, a ground pressure displaying rule is researched (Study) and disclosed so as to obtain a stress rise area, a stress reducing area, a tensile stress area and a rock mass moving angle in an underground mine rock mass; secondly, mining area ground pressure transfer (Transter) is guided, and a horizontal cutting roadway and a vertical cutting groove mode are used in the underground mine rock mass to guide the stress in a mining area to be transferred; thirdly, by means of mining area high-stress collapse is used (Use), the impact potential hazard of stress concentration on a top plate of a goaf is eliminated, and meanwhile, a covering layer required by recovery is formed; fourthly, the ground pressure of an operation area is controlled (Control), a stoping roadway is supported by means of an internal reinforcement mode of an anchor rod or an anchor cable, passive control of the ground pressure is converted into active management, ground pressure display like collapse and wall caving is controlled, and the stoping safety is guaranteed.
Owner:CENT SOUTH UNIV +1

HMM model-based dialect recognition method, device, equipment and medium

The invention discloses an HMM model-based dialect recognition method, a dialect recognition device, equipment and a medium. The method comprises the following steps: acquiring an acoustic feature sequence of to-be-recognized dialect voices processed by utilizing a Viterbi algorithm; inputting the acoustic feature sequence into an HMM model library, comparing the acoustic feature sequence with anHMM model of words, and identifying dialects in batches and / or in real time. According to the technical scheme of the embodiment of the invention, the voice recognition of dialects such as Huizhou dialects and the like can be realized. The voice recognition rate of dialects is improved.
Owner:CHINA MOBILE GROUP ANHUI +1

Online monitoring and evaluation method and system for shielding effectiveness of shielding layer of communication cable

The invention discloses an online monitoring and evaluation method and system for the shielding effectiveness of a shielding layer of a communication cable. The method comprises: on the basis of a cable segmented frequency sweeping measuring method, fault identification and positioning of a cable shielding layer are carried out; with a loop impedance measurement method, the state of a grounding resistor of the cable shielding layer is determined; comprehensive analysis and reverse evaluation of the shielding effectiveness of the cable are carried out by using an algorithm. According to the invention, reasonable quantitative evaluation of the shielding effectiveness, which can not be evaluated easily in the prior art, of the shielding layer of the communication cable is realized; and a problem of the safety field of the communication cable shielding is solved. Meanwhile, with measurement of various cable physical parameters, systematic, holistic and complementary evaluation of the cableshielding layer is realized.
Owner:康威通信技术股份有限公司

Novel pulverized coal boiler low-nitrogen combustion system

The invention discloses a novel pulverized coal boiler low-nitrogen combustion system. The novel pulverized coal boiler low-nitrogen combustion system comprises a coal fine coal mill, an efficient low-nitrogen combustion device with wall attaching wind, a heating face with a catalyst spraying layer, a catalyst with CO catalytic oxidation effect, an online O2 measuring device, an online CO measuring device, an online NOx measuring device, an industrial control machine and the like. On the basis of coal fine low-nitrogen combustion theory combining air / fuel depth graded combustion low-temperature, low-oxygen and long staying time and full-hearth large-space low heat load section balance combustion, through large-hearth model selection design, the low-nitrogen combustion system with the wallattaching wind, economic coal fine fineness, powder making system coordination, wind smoke system cooperation and other new technilogy devices, in combination with ultra-fine coal fine, wind powder conveying precise control, depth air graded low-oxygen combustion process optimized regulation technology and hearth outlet CO catalytic oxidation technology, systematicness and full-process low-nitrogen combustion of the coal fine combustion are achieved, and finally boiler high-efficiency ultra-low NOx emission targets can be achieved.
Owner:XIAN THERMAL POWER RES INST CO LTD

Manufacturer shaped product frame type bidding and tendering management platform

The invention provides a manufacturer shaped product frame type bidding and tendering management platform. The platform comprises a server, and a bidding manufacturer model management module, a bidding module and a bidding evaluation module which are in communication connection with the server; the bidding manufacturer model management module comprises first to Nth limiting condition setting sub-modules, first to Nth adjusting item setting sub-modules and a manufacturer model list sub-module. The bidding module comprises a manufacturer model series quotation sub-module, the manufacturer modelseries quotation sub-module comprises a price adjustment mechanism setting sub-module, and quotations in the manufacturer model series quotation list are adjusted according to the first to Nth limit condition quotation lists and the first to Nth adjustment item quotation lists; and the bid evaluation module comprises first to Nth limit condition price evaluation sub-modules, first to Nth adjustment item price evaluation sub-modules, a weight coefficient sub-module, a manufacturer model series price evaluation sub-module and a comprehensive score sorting sub-module, and synthesizes various scores to generate a score sorting table.
Owner:SINOPEC ENG +1

Electromechanical system knowledge component design method

The invention discloses an electromechanical system knowledge component design method, which comprises the following steps: 1, dividing models with different granularity levels according to design requirements and system structure composition; 2, carrying out physical modeling according to the functions and modeling specifications of each hierarchical model; and step 3, performing simulation verification on the modeled model according to product performance indexes. Model development and simulation activities of different granularities and different dimensions of each function module are carried out on electromechanical systems with the same function module and connection relation under a unified physical architecture; hierarchical management is performed on the simulation model or the knowledge component according to the organizational relationship of the physical architecture; a model universal interface and a parameter identification specification are stipulated, and systematicness, normalization and traceability of modeling simulation work of the electromechanical system are realized.
Owner:AVICIT CO LTD

Amorphous product frame type bidding and tendering management platform

The invention provides an amorphous product frame type bidding and tendering management platform. The platform comprises a server, and a product attribute setting module, a bidding module and a bidding evaluation module which are in communication connection with the server, wherein the product attribute setting module comprises an inherent attribute setting sub-module and a variable attribute setting sub-module; the bidding module comprises an inherent attribute quotation sub-module and a variable attribute quotation sub-module; the bidding evaluation module comprises a fixed reference unit price evaluation sub-module, a variable unit price evaluation sub-module, a weight coefficient sub-module and a price comprehensive evaluation sub-module. According to the invention, an effective support platform is provided for the framework protocol purchasing mode of the product, the labor intensity is reduced, and the purchasing work efficiency is greatly improved. By setting a feedback mechanism, after-sales supervision is carried out on suppliers who win the framework protocol, a relatively stable supply and demand relationship can be formed, and the insurance supply risk is greatly reduced.
Owner:SINOPEC ENG +1

Electric circular saw shield rebound test device

Belonging to the field of electrical product test equipment, the invention particularly relates to an electric circular saw shield rebound test device. According to a technical scheme adopted by the invention, the electric circular saw shield rebound test device includes an equipment base plate, a pair of guide rail parallelly arranged on the equipment base plate. A slideable lower baseplate sliding block is disposed on the guide rail, and is connected to a horizontal telescopic air cylinder. The lower baseplate sliding block is equipped with four lifting rods, and a sample lifting support platform passes through the four lifting rods and is connected to a vertical telescopic air cylinder. The sample lifting support platform is provided with a test sample mounting instrument. The equipment base plate is provided with a shield check block. The test device provided by the invention realizes systematicness, safety and reliability of electric circular saw rebound test, has an optimized structure, is convenient to operate, and improves the test accuracy and applicability.
Owner:浙江天祥质量技术服务有限公司

Centrifugal ventilator frame type bidding and tendering management platform

The invention provides a centrifugal ventilator frame type bidding and tendering management platform, which comprises a centrifugal ventilator frame type bidding and tendering management platform, andis characterized in that the centrifugal ventilator frame type bidding and tendering management platform comprises a server, and a bid packet division module, a tendering module and a bid evaluationmodule which are in communication connection with the server respectively; wherein the standard package dividing module divides four standard packages according to the characteristics of the centrifugal ventilator and divides four standard packages according to the characteristics of the motor; the bidding module comprises four quotation sub-modules for the fan part and four quotation sub-modulesfor the motor; the bid evaluation module comprises four evaluation sub-modules used for a fan part and four evaluation sub-modules used for a motor. A weight coefficient sub-module and a weighted price review sub-module. An effective supporting platform is provided for a centrifugal ventilator frame protocol purchasing mode, the labor intensity is reduced, and the purchasing work efficiency is greatly improved.
Owner:SINOPEC ENG +1

Tower frame type bidding and tendering management platform

The invention provides a tower frame type bidding and tendering management platform. The platform comprises a server, and a tower technical specification limiting module, a tendering module and a bidding evaluation module which are in communication connection with the server; the bidding module comprises a main body fixed reference unit price quotation sub-module, a takeover type fixed reference unit price quotation sub-module, a service type fixed price quotation sub-module and an optional project unit price quotation sub-module; the bidding evaluation module comprises a main body fixed reference unit price evaluation sub-module, a takeover type fixed reference unit price evaluation sub-module, a service type fixed price evaluation sub-module and an optional project unit price evaluationsub-module. According to the invention, an effective support platform is provided for a tower framework protocol purchasing mode, the labor intensity is reduced, and the purchasing work efficiency isgreatly improved. On one hand, the transparency of tower purchase is improved, and on the other hand, the framework protocol can flexibly adapt to the situation of purchase demand change caused by design change, so that the purchase supply business management level is promoted to be further improved.
Owner:SINOPEC ENG +1

A three-dimensional method for technical status management of aerospace products

The invention provides a three-dimensional method for technical state management of aerospace products, and establishes a three-dimensional database for technical state management of aerospace products, including logic dimension, process dimension and method dimension. Any two dimensions constitute a technical state activity item, including technical state identification and technical state control and technical status documentation. The technical status identification forms the technical status file tree for the whole process of product design and production, and the technical status documentary forms the management of the change of project files; the function of the three-dimensional system for product technical status management is to track the physical characteristics and functional performance parameters of products in production, Control and management, manage the use of out-of-tolerance, deviation, and concession. The present invention manages a large amount of technical status information, classifies and statistically analyzes it, and realizes the systematicness, comprehensiveness, consistency and timeliness of technical status management, and is an effective way for product technical status management.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

Generating method of quantitative evaluation chart of petroleum spatial distribution under the constraints of source-reservoir configuration

The invention provides a petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint. The method comprises the steps: collecting different types of hydrocarbon source rock samples sequentially according to thermal evolution degree, abundance of organic matter, lithology and organic matter type; carrying out the thermal simulation experiment of the collected samples, quantifying discharged oil and retention oil at each temperature point, employing the organic carbon analysis of residue, Rock-Eval detection, and vitrinite reflectance analysis; drawing an oil discharge rate chart of different types of hydrocarbon source rocks; selecting geological sections of different basins as actual geological samples; densely collecting the hydrocarbon source rocks and storage layer rock core samples and carrying out organic carbon analysis, Rock-Eval detection, vitrinite reflectance analysis and chloroform bitumen quantitative analysis on actual geological sections; drawing an oil discharge rate parameter curve of an actual geological sample; and obtaining the petroleum spatial distribution quantitative evaluation chart generation method under reservoir configuration constraint according to the oil discharge rate charts of different types of hydrocarbon source rocks and the oil discharge rate parameter curve of the actual geological sample.
Owner:PETROCHINA CO LTD

Two-stage method frame type bidding and tendering management platform

The invention provides a two-stage framework type bidding and tendering management platform. The two-stage framework type bidding and tendering management platform comprises a server, a constraint condition setting module, a first-stage bidding module, a first-stage bidding evaluation module, a second-stage bidding module and a second-stage bidding evaluation module, wherein the constraint condition setting module comprises an inherent attribute setting sub-module and a variable attribute setting sub-module; the first-stage bidding module comprises an inherent attribute quotation sub-module and a variable attribute quotation sub-module, wherein the first-stage bid evaluation module comprises a fixed reference unit price evaluation sub-module, a variable unit price evaluation sub-module, aweight coefficient sub-module and a price comprehensive evaluation sub-module; the second-stage bidding module comprises a secondary quotation sub-module, and the second-stage bidding evaluation module comprises a variable attribute final quotation evaluation sub-module and a second-stage comprehensive evaluation sub-module.
Owner:SINOPEC ENG +1

Navigation satellite surface deformation monitoring system with low power consumption, low cost and high precision

The invention discloses a navigation satellite surface deformation monitoring system with low power consumption, low cost and high precision, and belongs to the technical field of area surface positioning monitoring. The system comprises a cloud server which is used for forwarding the differential data of the base station, receiving the field monitoring data, monitoring the operation state of the equipment, automatically analyzing and processing the data and providing real-time alarm; a satellite positioning base station which is used for receiving satellite data and transmitting base station differential data to the cloud server in real time; a monitoring point moving station which is used for receiving satellite data, downloading base station differential data from the cloud server, calculating a position fixed solution and sending the position fixed solution to the cloud server; New methods, new instruments and new technologies are fully utilized for emergency monitoring capability construction, river patrol monitoring is normalized and broadened, comprehensiveness, systematicness and real-time performance of bank slope deformation data are achieved, and meanwhile, alarming and encrypted monitoring can be carried out on the ongoing or imminent bank collapse dangerous case section.
Owner:NANJING HYDRAULIC RES INST

Centrifugal pump frame type bidding and tendering management platform

The invention provides a centrifugal pump frame type bidding and tendering management platform. The centrifugal pump frame type bidding and tendering management platform comprises a server, and a bidding module and a bidding evaluation module that are respectively communicated with the server; the bidding module comprises: a host module quotation sub-module which comprises a host quotation table and an accessory quotation table for different types; and the price adding item quotation sub-module that comprises a coupler quotation table, a sealing and system quotation table, a bearing quotationtable and a motor quotation table; the bidding evaluation module comprises a host module price evaluation sub-module and a price adding item price evaluation sub-module. An effective supporting platform is provided for a centrifugal pump frame protocol purchasing mode, the labor intensity is reduced, and the purchasing work efficiency is greatly improved. On one hand, the purchasing transparency of the centrifugal pump is improved, and on the other hand, the framework protocol can flexibly adapt to the condition of purchasing demand change caused by design change, so that the purchasing supplybusiness management level is further promoted.
Owner:SINOPEC ENG +1

Steam heat pump for heat fluid regenerative flash evaporation circulation

The system integrates energy-saving technologies such as a heat exchanger, heating throttling flash evaporation water supplementing circulation and a jet type heat pump to achieve systematicness and economy of the energy-saving technologies, the heat exchanger recovers heat fluid waste heat to replace a primary energy source to drive the heating throttling flash evaporation water supplementing circulation, low-pressure saturated water vapor is directly generated, and the heat-fluid heat-regeneration flash evaporation circulation steam heat pump is used for heat recovery of the heat-fluid heat-regeneration flash evaporation water supplementing circulation. The pressure reduction potential energy and the temperature reduction sensible heat of the high-pressure water vapor of the pipe network are recycled by the jet type heat pump, so that the low-pressure saturated water vapor is injected and mixed, and medium-pressure water vapor is generated; and meanwhile, investment and power consumption of a water vapor compressor are avoided, so that the initial investment of the energy-saving system is reduced exponentially, and the operation cost of the energy-saving system is reduced exponentially.
Owner:侴雨宏

A ground pressure management method suitable for deep mining in underground mines

The invention discloses a ground pressure management method suitable for underground mine deep mining. The method comprises the steps that 1) a ground pressure appearance law is researched and revealed, and a stress elevating area, a stress lowering area, a tension stress area and a rock movement angle in underground mine rocks are obtained; 2) a horizontal roadway cutting and vertical groove cutting mode is adopted in the underground mine rocks, and stress in a mining area is guided to transfer; 3) high stress in the mining area is adopted for spallation, impact disaster hidden dangers of the concentrated stress on a top plate of a worked out section are eliminated, and meanwhile a covering layer which is required by back mining is formed; 4) the modes such as inner strengthening and outer supporting are adopted to support a back mining roadway. According to the ground pressure management method, aiming at rock engineering characteristics, the adjustment of the rock stress state and the comprehensive utilization of the ground pressure are taken as core thoughts, the ground pressure dynamic cycle management of ground pressure law studying (Study)-ground pressure transfer guiding (Transfer)-ground pressure spallation using (Use)-ground pressure emergence controlling (Control) is achieved, the efficiency is greatly improved, and the safety is effectively guaranteed.
Owner:CENT SOUTH UNIV +1

Schoolwork ability evaluation method and device, medium and electronic equipment

The invention provides a schoolwork ability evaluation method and device, a medium and electronic equipment, and the method comprises the steps: responding to a test paper submitted by any student, and obtaining the examination question information of each examination question in the test paper, at least one piece of answer information corresponding to the examination question, and at least one piece of standard answer information corresponding to the examination question; determining all knowledge points associated with the corresponding examination questions at least based on the examination question information of each examination question and the standard answer information; any knowledge point in the corresponding examination question is analyzed at least based on the answer information of each examination question, and a positive evaluation value or a negative evaluation value of the knowledge point is obtained; and for any knowledge point in the test paper, performing statistical analysis on the positive evaluation value and the negative evaluation value of the knowledge point to obtain an ability evaluation value of the knowledge point. And comprehensiveness, multi-angle performance and systematicness of schoolwork ability evaluation are realized. And the ability evaluation result is more representative and closer to objectivity and authenticity.
Owner:BEIJING AMBOW SHENGYING EDUCATION & TECH CO LTD

A low-power, low-cost, high-precision navigation satellite surface deformation monitoring system

The invention discloses a navigation satellite surface deformation monitoring system with low power consumption, low cost and high precision, and belongs to the technical field of regional surface positioning and monitoring. Cloud server, the cloud server is used to forward base station differential data, receive on-site monitoring data, monitor equipment operation status, automatically analyze and process the data, and provide real-time alarm; satellite positioning reference station, the satellite positioning reference station is used to receive satellite data and transmit the base station differential data to the cloud server in real time; the monitoring point mobile station is used to receive satellite data and download the base station differential data from the cloud server, calculate the fixed position solution and send it to the cloud server; the application is fully Utilize new methods, new instruments, and new technologies for emergency monitoring capacity building, normalize and wide-area river inspection and monitoring, realize comprehensive, systematic, and real-time bank slope deformation data, and at the same time be able to monitor ongoing or imminent occurrences Alarm and encrypted monitoring of the dangerous section of the bank.
Owner:NANJING HYDRAULIC RES INST

Frame type bidding and tendering management platform for shell-and-tube heat exchanger

The invention provides a frame-type bidding and tendering management platform for a shell-and-tube heat exchanger. The frame-type bidding and tendering management platform comprises a server, and a first-stage bidding module, a first-stage bidding evaluation module, a second-stage bidding module and a second-stage bidding evaluation module that are communicated with the server, wherein the first-stage bidding module comprises a main material quotation sub-module and a variable part quotation sub-module; the first-stage bidding evaluation module comprises a main material quotation evaluation sub-module, a variable part quotation evaluation sub-module, a weight coefficient sub-module and a price comprehensive evaluation sub-module; the second-stage bidding module comprises a secondary quotation sub-module; and the second-stage bidding evaluation module comprises a variable part final quotation evaluation sub-module and a second-stage comprehensive bidding evaluation sub-module. On one hand, the purchasing transparency of the shell-and-tube heat exchanger is improved, and on the other hand, the framework protocol can flexibly adapt to the condition of purchasing demand change caused by design change, so that the purchasing supply business management level is further promoted.
Owner:SINOPEC ENG +1

Air cooler framework protocol bidding and tendering management platform

The invention provides an air cooler framework protocol bidding and tendering management platform. The platform comprises a server, and a bidding module and a bidding evaluation module which are in communication connection with the server. The bidding module is used for allowing each bidder to input, collect and match unit price information by matching and comparing the tube bundle, the framework,the shutter, the fan motor and the tube bundle material with five sub-modules according to matching combination of different specification, form and model parameters and different materials. The bidding evaluation module calls and associates unit price information of each submodule of each bidder, and performs process comprehensive processing through a tube bundle quotation comparison sub-module,a tube bundle comprehensive average unit price comparison summary sub-module, a tube bundle price score comprehensive comparison summary sub-module, a framework specification and model and price review sub-module, a fan motor specification and model and price review sub-module, a shutter specification and model and price review sub-module, a complete air cooler price comprehensive score review summary sub-module and the like.
Owner:SINOPEC ENG +1

Method for depicting effect of cumulative reduction of water content of heterogeneous profile control and flooding

The invention provides a method for depicting the effect of cumulative reduction of the water content of heterogeneous profile control and flooding. The method comprises the steps of: regularly collecting the injection amount of an injection well, and the water production amount and the liquid production amount of an output well; calculating the water content of a heterogeneous profile control and flooding well group and the cumulative injection amount of a heterogeneous profile control and flooding system; calculating regularly the change amplitude of the water content of the output well; drawing a scatter diagram of the change amplitude of the water content and the cumulative injection amount of the heterogeneous profile control and flooding system; after determining when the water content of the output well reaches the minimum value, dividing the profile control and flooding effect taking stage; conducting linear regression on the change amplitude of the water content and the cumulative injection amount of the heterogeneous profile control and flooding system; determining the absolute effect taking time and the maximum change amplitude of the water content of heterogeneous profile control and flooding; drawing a relation curve of the theoretical value of the water content of water flooding and the cumulative injection amount of the heterogeneous profile control and flooding system; lengthening and intersecting the straight line of the change amplitude of the water content of the heterogeneous profile control and flooding well group with the straight line of the theoretical water content of water flooding; and solving the area defined by the straight line of the water content of heterogeneous profile control and flooding and the straight line of the theoretical water content of water flooding, and determining the cumulative precipitation effect of profile control and flooding. Data acquisition is simple and scientific, and operation is convenient.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Lifting planting pool seat with science popularization function

The invention discloses a lifting planting pool seat with a science popularization function. The lifting planting pool seat comprises a planting pool body and a seat body, wherein the planting pool body comprises a lifting planting pool and a common planting pool, and the lifting planting pool comprises a top pool body, a bottom pool body, an electric lifting mechanism, a control switch and a decorative shell; the seat body comprises a base, arc-shaped rails, arc-shaped seat plates, pulleys, folding supporting columns and handles, arc-shaped grooves are formed in the upper portion of the base, and the two sides of the seat plates are in sliding fit with the side walls of the arc-shaped grooves; and the arc-shaped rails are fixed in the arc-shaped grooves, the pulleys and the folding supporting columns are arranged below the seat plates, the seat plates can slide along the rails and can be pulled out of the arc-shaped grooves, and the use requirement of people is met through the support of the folding supporting columns. The lifting planting pool seat with the science popularization function not only provides basic functions of the planting pool, but also has basic functions of seat rest, has science popularization and night viewing functions, and is reasonable in structure, practical in function, high in realizability and capable of achieving systematicness of multiple functions of the planting pool.
Owner:NANJING FORESTRY UNIV
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