135results about How to "The principle of the method is reliable" patented technology

The invention discloses a method for preparing a calcium sulfate whisker through recrystallization. The method is characterized in that the method comprises the steps of (1), conducting program control on heating and dissolution courses: putting a raw material with a main ingredient of calcium sulfate into a sulphuric acid solution for stirring, heating simultaneously, heating a mixture to 60-95 DEG C at a certain rate with the adoption of the program control, dissolving for 20min-1h, (2), conducting the program control on cooling and recrystallization courses: using the program control to cool a suspension obtained by dissolution to 10-30 DEG C, ageing for 20min-2h, (3), conducting separating and washing courses: conducting solid-liquid separation on the suspension, washing a separated solid-phase product, and (4), conducting a drying course: drying the washed solid-phase product at a certain temperature, and obtaining the calcium sulphate dihydrate whisker. The calcium sulfate whisker is prepared by utilizing a recrystallization principle under an ordinary-pressure mild condition, and a relatively economical technological approach can be provided for the resource utilization of industrial by-products such as desulfurization gypsum and phosphogypsum.

The invention relates to a waterflood simulation recovery ratio test method considering energy flow in a low-permeability reservoir. The method is completed by means of a core displacement device. Thedevice is composed of a confining pressure pump, a core holder, a back pressure pump, a simulated oil intermediate container, a formation water intermediate container and the like. The method comprises the following steps that (1), simulated oil is prepared, and the volume factor B0 of the simulated oil is tested; (2), a plurality of blocks cores containing crack plungers are selected, and the diameter Di, the length Li, the mass Mi1 and the permeability Ki of the cores are tested; (3), the core bound water saturation is established; (4), the cores are saturated with the simulated oil; (5), the recovery ratio R0 of the failure development simulated oil is calculated; (6), the simulated oil intermediate container is opened, far-well zone energy flow is simulated, and a first round of waterflood simulation oil recovery cumulative recovery ratio R1 is obtained; and (7), the sixth step is repeated, and the i-th round of waterflood simulation oil recovery cumulative recovery ratio Ri is obtained. The method is reliable in principle, simple and applicable, can accurately evaluate the waterflood simulation recovery ratio under a real reservoir condition and has a wide market applicationprospect.

The invention provides an emergency treatment system for elevators. The emergency treatment system comprises an elevator comprehensive information database, an elevator code assigning subsystem, an elevator grid management subsystem, an elevator dynamic state monitoring subsystem, an elevator fault/accident calling subsystem, an elevator emergency dispatching subsystem and an elevator fault/accident disposal management subsystem. An emergency treatment method for the elevators based on the system comprises the steps that firstly, a complete and accurate elevator comprehensive information database is formed; secondly, elevator identification codes are assigned to the elevators; thirdly, grid dividing and positioning of the elevators, maintaining units and nearby rescuing stations on a map are achieved; fourthly, the elevator calling subsystem is connected through an assembly of the elevator dynamic state monitoring subsystem installed on the elevator or a manual alarming manner; fifthly, after the fault rescuing call is answered, the system arranges rescue in time according to the elevator identification code provided by a person calling for help; and sixthly, rescuing is finished, and a detailed log information record from alarming to the command stage to rescuing ending is formed.

The invention belongs to the technical field of big data monitoring application, and particularly relates to a non-invasive load monitoring method based on big data. The non-invasive load monitoring method based on the big data includes the following steps that (1) power data is remotely collected, a power system is subjected to data monitoring and monitoring controlling, and actually-measured samples of all transient processes are fully collected; (2) a training model of non-invasive load monitoring is built, and distinguishing space is formed; (3) the non-invasive load transient monitoring is actually measured, actually-measured transient processes are distinguished according to the distinguishing space. According to the non-invasive load monitoring method based on the big data, big-datatechnological means are taken, and a large amount of transient-process data is obtained from accumulated mass power load data; according to the reasonable load classification method, suitable characteristic parameters are selected for building high-dimensional characteristic distinguishing space, and the non-invasive load monitoring function can be accurately and rapidly achieved with the dimension descending and classification method in the big-data technological means.

The invention discloses a missing seismic prospecting data recovery reconstruction method, belonging to the technical field of seismic prospecting data processing. The sparse description of the complex seismic signals is carried out by means of a variety of sparse transformation methods, and combined with the new sampling model of the compression perception theory, the efficient threshold parameters are designed to recover the complex seismic profile signals of the deep reflection layer, and a data base is provided for efficient use of the various features of the complex profiles and finer underground construction imaging. The method is reliable in principle, clear in technical process and wide in application.

The invention relates to a thin interbed carbonate rock bottom water reservoir CO2 huff and puff experimental test method. The thin interbed carbonate rock bottom water reservoir CO2 huff and puff experimental test method comprises the following steps of 1 manufacturing thin interbed carbonate rock five-point well network flat plate models, 2 preparing a crude oil sample, a formation water sample and injected gas, 3 arranging five layers of five-point well network flat plate models different in penetration rate into a multi-layer flat plate model core holding unit specially made for the models in certain sequence from top to bottom at lithologic intervals, 4 starting a confining pressure pump, 5 starting a constant-temperature box, 6 conducting formation original state recovery on the multiple layers of flat plate models, 7 starting a return pressure pump and setting the pressure of the return pressure pump according to extraction pressure set through an experiment, 8 beginning to perform a water-oil displacement experiment, 9 injecting CO2 and then performing well soaking and 10 performing depressurizing production and subsequent water flooding after well soaking and calculating development indexes. Tools and means are provided for evaluation on thin interbed carbonate rock bottom water reservoir CO2 huff and puff water control and oil increase effects. The thin interbed carbonate rock bottom water reservoir CO2 huff and puff experimental test method is reliable in principle and simple in operation.

The invention belongs to the technical field of gas production technologies in oil and gas fields, and particular relates to a method for measuring gas well critical liquid-carrying flow. The method includes the steps that gas well history data are searched for to obtain the oil pipe diameter D; gas well gas is sampled to measure gas components, and then the relative density gamma of the gas relative to air is calculated; bottom hole pressure Pm and temperature T are measured, and a corresponding compressibility factor is calculated through a iterative method according to the bottom hole pressure Pm and the temperature T; the critical liquid-carrying flow is calculated by using the oil pipe diameter D, the relative density gamma of the gas, the pressure Pm, the temperature T and the corresponding compressibility factor. According to the method for measuring the gas well critical liquid-carrying flow, a kinetic energy factor is cited and combined with practical production data of a Sulige gas field to determine a critical liquid-carrying flow formula, and a simpler and more reliable method is provided for determining the critical liquid-carrying flow of the Sulige gas field. The principle is reliable, and compared with an existing critical liquid-carrying flow model, the method fits the practical situation of the Sulige gas field better.

The related preparation method for sensitive film of an optical fiber pH sensor comprises: selecting 30-50cm conventional fiber with inner and outer core diameter rate as 62.5/125mum, cutting 2-6cm segment on one end for sleeve and coating layer; corroding with HF to remove the package; activating the fiber core with 20-55% HNO3 for 10-60min to form active (OH)-; by sol-gel method and tetraethyl orthosilicate as precursor, fixing the pH indication molecule on fiber core. This invention is simple and reliable for remote detection.

The invention provides a method for preparing a refined industrial salt from an industrial waste salt and belongs to the technical field of resource environments. The method comprises the following steps: pretreating an industrial waste salt so as to remove a part of water and volatilizable organic matters in the industrial waste salt; performing carbonization so as to partially decompose organicmatters in the industrial waste salt; further performing high-temperature oxidation treatment so as to oxidize the organic matters in a waste carbon salt into carbon dioxide and water, and thoroughlyremoving the carbon dioxide and the water; and finally performing procedures of water dissolution, heavy metal and water-insoluble substance removal, evaporation crystallization, solid-liquid separation and drying, so as to obtain the refined industrial salt. The method provided by the invention is reasonable in principle and reasonable in designing, resource treatment on waste salts can be achieved with low cost, the national circular economy policy can be met, and remarkable economic and environment benefits can be made.

The invention discloses a mountainous precipitation measurement and calculation method suitable for a south-eastern Tibetan plateau area and an application. The mountainous precipitation measurement and calculation method comprises the steps of firstly obtaining the altitude, slope aspect and gradient of a mountainous area to be subjected to precipitation measurement and calculation; secondly determining a subarea in which the mountainous area to be subjected to the precipitation measurement and calculation is located according to a geographic position of the mountainous area to be subjected to the precipitation measurement and calculation; and finally performing calculation by applying a precipitation vertical distribution relational expression of the subarea to obtain a precipitation amount of the mountainous area to be subjected to the precipitation measurement and calculation. The method is reliable in principle and scientific, simple and convenient in calculation process, can be universally suitable for obtaining precipitation data of a high-altitude area lack of meteorological stations in the south-eastern Tibetan plateau area, and has important reference values for precipitation estimation and flow concentration calculation of mountainous hazard forming areas of debris flow and the like.

The invention discloses a testing method for the mixing degree of an iron ore pellet mixture. The method comprises the following steps that 1, a sampling interval is determined by taking an outlet as a starting point and taking the position 3-15 meters away from the outlet as an end point on a conveyer belt behind the material outlet of iron ore pellet mixing equipment, the sampling interval is divided into N sections so that sampling can be conveniently performed in the sampling interval, or sampling is performed at time intervals, and the sample number is 1-N or 1,2,3,4...N; 2, for selected N samples, the water content Xi of each sample is measured, wherein i=1,2,3...N; 3, average value X of the water content of the measured N samples in the step 2 is evaluated; 4, the water content standard deviation S of the water content Xi of the measured N samples in the step 2 and the average value X in the step 3 is evaluated; 5, variable coefficient (CV) value (%) of the needed water content in a test is evaluated by the average value X obtained in the step 3 and the standard deviation S obtained in the step 4 according to the formula CV=(S/X)*100.

The invention relates to a process for preparing vegetable oil, and particularly relates to a process for preparing maize germ oil in a proper processing manner. The process comprises the following steps of: (1) a low-temperature squeezing crude oil preparation process, including preheating maize germs, which have skin impurity content of 10-30 percent and moisture content of 5-10 percent, to 40-50 DEG C, and squeezing oil directly in a low-temperature squeezer to prepare crude oil; (2) a refining process, including refining the maize oil by adopting complex enzyme; (3) an adsorption method, including removing fungaltoxin with a composite adsorbent prepared from magnesium silicate, activated carbon, activated clay and silicon dioxide; and (4) a color reversion controlling process, including removing phosphorus and metal ions, decolorizing by utilizing the activated white clay and activated carbon mixed preparation, and deodorizing by utilizing a deodorizing agent. The process can improve the oil yield and prepare maize germ oil products with excellent quality.

The invention relates to a method and system for detecting short circuit in a vehicle power battery. The method is characterized in that based on the current vehicle battery serial-parallel topology,a current sensor connected in series on a main circuit of a vehicle power battery serial-parallel structure is utilized, a current sensor is connected in series on at least one branch circuit of the vehicle power battery serial-parallel structure, the branch current measured by the current sensor on the branch circuit and the total current measured by the current sensor on the main circuit are then collected, the proportional relationship between the two is obtained, the change in the proportional relationship is detected, the detected change in the proportional relationship is determined through the Kirchhoff's current law to determine whether short circuit occurs in the vehicle power battery. The method is advantaged in that short circuit in the vehicle battery can be rapidly detected, the generation area of short circuit is determined on the basis, and the risk of thermal runaway caused by the internal short circuit of the vehicle battery is effectively prevented.

The invention provides a method for indicating server starting progress and power consumption. The method includes the steps of firstly, when a server is turned on, a server mainboard management controller starts starting, and an LED lamp bar displays a flickering dot; secondly, when the normal starting of the server mainboard management controller is completed, the LED lamp bar displays the starting progress in a pulse bar manner according to the starting progress transmitted by the server mainboard management controller; thirdly, Bios initiation is completed when the pulse bar is full; fourthly, the LED lamp bar displays the server power consumption through different color bars. By the method and corresponding physical links, a user can conveniently and visually see the server starting progress and the server power consumption state, the user can reasonably arrange starting waiting time during use and appropriately arrange working instructions, the operating experience of the user is improved greatly, and product competiveness is increased.

The present invention belongs to the technical field of browser compatibility testing, and particularly relates to a multi-browser compatibility automatic testing method. The method comprises: (10) performing initialization, and installing a pre-tested browser on a PC device; (20) starting a script Runner 1 and a script Runner 2 through a control center; (30) executing scripts and determining whether there is screenshot output, if there is screenshot output, going to step (40), and otherwise, going to step (60); (40) through an image comparator, comparing the screenshot with a reference image,and outputting an image comparison result; (50) saving the result to a test report; and (60) determining whether the execution of the scripts is completed, if the execution of the scripts is completed, outputting the test report, and ending the test, and otherwise, returning to the step (30). According to the method provided by the present application, the problems in the page can be quickly found out, the efficiency of the compatibility test can be greatly improved, and the two major problems that in the traditional test script, the interface checkpoint cannot be set and the manual test efficiency is low are solved.

The invention belongs to the field of drainage equipment of mines, in particular to an automatic drainage control system for a mine. The automatic drainage control system for the mine comprises a ground interchanger and an underground interchanger in communication connection through an industrial Ethernet, wherein the ground interchanger is connected to a drainage system monitoring system of an upper computer mine, the underground interchanger is connected to a PLC control cabinet, and the PLC control cabinet is connected to a water pump sub system; the PLC control cabinet is used for collecting, finishing and controlling underground information, communicating with ground monitoring equipment at the same time and uploading underground date; the water pump sub system is used for draining underground water. By monitoring the underground water level and other parameters, controlling a water pump to work and reasonably scheduling the water pump to monitor the operating condition of the water pump and exchanging data with the upper computer through a communication module, the system has intact protecting and pre-warning measures, is high in reliability, can operate continuously for a long time, saves the human resources, lowers the cost and the operating cost, and is relatively good in economical benefit.

The invention provides electricity power warehousing system asset check equipment and a working method thereof. The electricity power warehousing system asset check equipment comprises an RFID electronic label, a warehousing management system, a stocktaking vehicle and a handheld scanner, wherein the stocktaking vehicle comprises a vehicle body and a system integrated box body; the upper portion of the system integrated box body is provided with a display screen module and a wireless signal emitter, and the handheld scanner is arranged on the right end face of the system integrated box body. According to the working method of the electricity power warehousing system asset check equipment, RID label information is adopted to conduct electric power material labeling, data storage and synchronization are conducted through the adoption of dual databases, and thus the working method is safer and more intelligent. A stocktaking data synchronous server conducts processing conversion on different types of scanning data and achieves data synchronization of the databases and the stocktaking equipment, which facilitates proceeding of stocktaking work, lowers the demand for labor, and improves the stocktaking efficiency; meanwhile, by tracing inventory differences, the accuracy is sharply improved, and a good data basis is provided for warehousing management.

The invention discloses an experimental test method of competitive dissolution of CO<2> in an oil-water mixture system. The experimental test method of competitive dissolution of CO<2> in the oil-water mixture system comprises the steps of: configuring a crude oil sample and a formation water sample, wherein injected gas is industrial CO<2> gas; injecting the formation water sample, an oil sampleand the CO<2> gas in a sample preparation device; discharging the oil sample, recording the volume of crude oil discharged from a separator and the volume of CO<2> in a gasometer, and calculating thegas-oil ratio after CO<2> is dissolved by the crude oil; recording the volume of formation water discharged from the separator and the volume of CO<2> in the gasometer, and calculating the gas-water ratio after CO<2> is dissolved in water phase; and, gradually increasing displacement pressure, repeating the step, so that the volume of dissolved CO<2> in the crude oil and the formation water samplein series of pressure conditions is obtained, and furthermore, calculating the dissolved CO<2> gas-water ratio GWR in the water phase and the dissolved CO<2> gas-oil ratio GOR in the oil phasein each pressure condition. The experimental test method disclosed by the invention is reliable in principle, simple and applicative, can precisely evaluate and compare the dissolving condition when CO<2> is contacted with the crude oil and the formation water at the same time in a true reservoir condition, and has wide market application prospect.