1212results about How to "Reasonable method" patented technology

The invention relates to a method for effectively recycling and utilizing residual heat resources in a sintering process and a device thereof. The invention has the main contents that a fiery sinter ore is filled in a vertical and sealed tank body, air is led from the tank body so as to cool the sinter ore, sensible heat of the sinter ore is almost totally carried by the air and is exhausted fromthe top of the tank body at the same time; and hot air is led into a residual heat boiler to generate steam to synchronously generate power. Compared with the prior sintering residual heat recycling and utilization technology, the invention has higher residual heat recycling utilization ratio, effectively reduces the energy consumption of the sintering procedure with reasonable and effective method, simple apparatus and easy operation, and is relatively favorable for popularization and application in the technical field of residual heat resource recycling and utilization in a metallurgy process.

The invention relates to a full-automatic oiling serving robot for an unmanned oiling station.The full-automatic oiling serving robot comprises an external-expansion type rail, a movable intelligent platform, an industrial mechanical arm, a function switching rotating disc, a humanoid mechanical gripper, an electric suction cup, a touch mechanical gripper, a machine vision system, a man-computer interaction system, an oiling gun, an oiling machine, an oil pipe and a control cabinet.Automatic station switching of different kinds of devices is achieved through the function switching rotating disc in cooperation with supports with different functions and the like, and switching efficiency is improved; full-automatic oiling operation of different vehicles is achieved by using the humanoid mechanical gripper, the electric suction cup and the touch gripper in a matched mode, and the serving range of the robot is expanded; shape and position identification of outer cover plates and oil tank covers of automobiles is achieved in combination with the machine vision system, and the functions of monitoring and identifying the running condition, automobile license plates, owner identity and the like are further achieved; due to the cooperation of the human-computer interaction system, the types of the automobile oiling services of the full-automatic oiling serving robot are richer, and the application range is wider.

The invention relates to a method for automatically measuring the special position of a tunnel boring machine. According to the practical situation of the tunneling operation of the tunnel boring machine in a small underground space of a coal mine, an industrial view camera, an industrial computer, a laser orientation instrument and an image acquisition card are arranged on the back part of the tunnel boring machine. The position of the tunnel boring machine on a coal petrography cross section is measured and calculated, the most reasonable position of a machine body is determined, a command on an excavating operation is made and operators are far away from hazardous areas so as to reduce sudden accidents, enhance excavating safety and keep the tunnel boring machine on a best and most reasonable position and in a best and most reasonable state. A maximum cover angle is + / -60 degrees, a displacement detection deviation is less than 10 millimeters, the detection accuracy of a deflection angle is + / -12 gon, the detection accuracy of a pitch angle is + / -6 gon and the detection accuracy of a roll angle is + / -6 gon so as to improve excavating quality and efficiency. The method is advanced, reasonable and correct, is a very ideal method for measuring the excavation position of a coal extraction tunnel boring machine and can be used in tunnel excavation operation.

The invention discloses a data fusion calibration method of a catadioptric panorama camera and a laser radar. A data fusion calibration structure comprises the laser radar and the single-viewpoint catadioptric panorama camera mounted on an environment sensing system body. The calibration method comprises the steps that 1) a parameter K in the camera is calibrated; 2) parameters XmYmZm of refraction points of the catadioptric surface are solved; 3) parameters XwYwZw of world coordinate points of the panorama camera are solved; 4) parameters Xw*Yw*Zw* of f world coordinate points of the laser radar are measured; and 5) the panorama camera and the laser radar are calibrated in a fused manner. According to the invention, reasonable and fused data of the laser radar and the panorama camera are designed, internal parameters of the panorama camera can be calibrated effectively, and reasonable, rapid and effective schemes are provided for range finding and positioning in the environment sensing system.

The invention relates to the field of spacecrafts and aims to provide an unstressed installation method, which solves the problems of unstressed butt joint between a solar cell array and a driving mechanism and the like. The method is characterized in that: the flatness of an installation surface and the horizontality or the perpendicularity of a reference axis are ensured by a solar cell array driving mechanism installation plate [1]; the spatial position of a solar cell array driving mechanism product [2] on a corresponding installation plate is ensured through a solar cell array driving mechanism simulation tool [3] of which the appearance is similar to that of the product and the accuracy is improved, and the reset accuracy of the product is ensured through a positioning block [4]; a solar cell array installation frame [5] is adjusted or machined on the basis of the spatial position of the high-accuracy solar cell array driving mechanism simulation tool [3] which is determined in a spacecraft; and a solar cell array [6] in an unfolding state is in unstressed butt connection with the solar cell array driving mechanism [2] by measures such as integral translation, rotation and the like. The invention has the advantages that: the method is reasonable, simple and convenient, is practicably operated, makes installation reliable, has high adaptability, and the like.

The invention relates to a processing method of wastewater produced during a process of using glycerol as raw material to produce epichlorohydrin and a device thereof. According to differences of sodium chloride, water and glycerol molecular diameters, absorption material similar with the glycerol molecular diameter is adopted by the invention for absorbing glycerol; therefore, an absorption device can be reused, the wastewater containing sodium chloride can be used as chlorine alkali industrialized saline, and cleaning water containing the glycerol with low concentration can be discharged safely after being processed by a biological method. The wastewater processing device comprises a sewage treatment pool, a raw water pool, a brine pool and a cleaning water pool. Connecting pipelines are arranged between the raw water pool and the brine pool and between the cleaning water pool and the sewage treatment pool. The pipeline is provided with a constant flow pump, a control valve, an absorption column, a control system and a total organic carbon detection instrument. The control system controls the circulation absorption and the recoil of the absorption column. The processing method has the positive effects of reasonable processing method, simple step, systematic control, less equipment investment, low energy consumption and small occupied area and effectively solves the problem of processing organic wastewater produced during the production process of using the glycerol as the raw material to produce the epichlorohydrin.

The invention discloses a loach fish fry artificial propagation method. The loach fish fry artificial propagation method comprises the following steps: parent fish rearing and selecting; artificial induction; fertilization process; and fertilized egg hatching process. The loach fish fry artificial propagation method can excellently improve induction rate, fertilization rate and hatching rate, and especially improves post-natal survival rate of the parent fish. The loach fish fry artificial propagation method can achieve loach fish fry industrialized production, provides offspring seeds for large-scale farming, and acquires excellent economic efficiency, by using the loach fish fry artificial propagation method the post-natal survival rate of the parent fish is 90.87 percents, increasing by 40.87 percents; the induction rate is 91 percents, increasing by 11 percents; the fertilization rate is 96.67 percents, increasing by 1.67 percents; and the hatching rate is 91.07 percents, increasing by 11.07 percents.

The invention provides a preparation method of an emulsified asphalt cold recycling asphalt mixture. The preparation method relates to the field of road engineering and includes the following steps: obtaining milling samples of old asphalt pavement, determining grading of filler, determining weight percentage of rough milling materials, fine milling materials, cement and mineral powder in raw materials, determining optimum moisture content a, determining optimum dosage of emulsified asphalt, determining optimum moisture content b, conducting checking and stirring the emulsified asphalt cold recycling asphalt mixture. The preparation method is rigor. Determination of optimum usage and optimum moisture content of emulsified asphalt gives consideration to the lubrication effect of water and asphalt in the molding process. The optimum moisture content and the optimum dosage of the emulsified asphalt are determined through checking. The preparation method adopts the processes of rotating, compacting, once molding and nourishment, accords with reality, and is reasonable and capable of meeting requirements for actual engineering.

The method includes following procedures: based on RTWP and TCP, RNC determines upper limit allowed in up run and downward run in AMR mode; based on measured value of CPICH-Ec / No, RNC determines AMR mode in up run and downward run the single UE expects to use; based on upper limit allowed in up run and downward run in AMR mode as well as AMR mode in up run and downward run UE expects to use, RNC determines AMR mode in up run and downward run utilized by single UE. Comparing AMR modes between UE utilized and current utilized, if they are same, then control command is not needed to send; if AMR modes in up run are different, then adjustment command is sent to UE through message for controlling transmission format; if AMR modes in downward run are different, then adjustment command is sent to side of core network through rate control frame.

The invention discloses a method for obtaining a load density index based on cellular historical data. The method for obtaining the load density index based on the cellular historical data is characterized by comprising the following steps: a cellular is generated, the power supply area of a 10KV feeder line serves as class cellulars, and the class cellulars contain actual measurement data; the power supply area is divided according to square meshes of the same size to form the class cellulars, and a load is to be forecasted. An electric power geographic information system (GIS) is set up, historical loads, power supply areas and land information of the class cellulars are integrated in the GIS, the cooperation index of the load density is determined, the maximum value of the load density of the class cellulars serves as a benchmark, and the load densities of other similar cellulars are normalized. The classified load densities over the years are obtained, a relation equation between the cellular load and the classified load densities is set up, and the load density is obtained through the least square method. A spatial load is forecasted, the size of the spatial load in a target year is forecasted according to the obtained index of the classified load densities, and the load value of each class cellular is further worked out.

The invention relates to a method for predicting lightning motion by space density clustering. The method comprises the following steps of: processing automatic lightning monitoring data through a computer, establishing a clustering analysis database, combining a geographic information system (GIS) to establish an analysis platform, performing clustering analysis on lightning data at different moments by establishing a density clustering algorithm model, setting lightning data sample screening conditions in the database, describing basic parameters of lightning density to acquire lightning sample data according to a time sequence and classifying according to a time period; establishing a lightning data space position relationship table through lightning data points and distance values; determining position characteristic points of different lightning storms; and calculating motion direction and speed along with displacement change during time lapse according to the position characteristic points of the lightning storms, and predicting positions of lightning storms to be generated in the next time period. The invention has the advantages that: the method has novel conception, a method for processing the lightning data is advanced and reasonable, and the authenticity of the lightning motion can be reflected.

The invention discloses a method for improving the recovery ratio of indigenous microbial enhanced oil recovery. The method comprises the following steps: acquiring a fluid sample on a target reservoir site; analyzing an indigenous microbial community structure; determining an indigenous activator and the injection quantity thereof; selecting an on-site injection process of the indigenous activator; evaluating a physical analog enhanced oil recovery; performing on-site tests, and tracking and analyzing of on-site test effects. The method is reasonable, simple in process, easy to operate, safe and reliable, beneficial to on-site popularization and application, and low in investment and cost, greatly improves the on-site test effect, improves the recovery ratio of more than 12% during indigenous microbial enhanced oil recovery on-site tests, and thus can be widely applied to on-site tests for improving the recovery ratio of indigenous microbial enhanced oil recovery.

The invention relates to a defect hole image recognition method which comprises the following steps: firstly, a defect hole is preliminarily judged by adopting a grayscale image processing technology according to the grey value characteristic of a defect hole image, and local coordinate of the possible defect hole is found out; and then the existence of the defect hole is further determined by applying a three-dimensional digital image technology according to the data characteristic of the defect hole in a three-dimensional image, and parameters such as the position, size, depth and the like of the defect hole are calculated. Compared with the prior art, the defect hole image recognition method has the following advantages: the accuracy of defect hole monitoring is higher; on the basis of a defect hole monitoring method for two-dimensional image information, information in the three-dimensional digital image is utilized for judgment and recognition, thus greatly improving the accuracy of the judgment and recognition; simultaneously, the two-dimensional and three-dimensional digital image technologies are adopted for realizing the online detection of the defect hole, with scientific, reasonable and accurate methods; real-time display and monitoring of data and signals of defect hole detection are realized; and applied devices are simple and reliable, and have cost advantage.

The invention relates to a compression method of the mass energy consumption information in an intelligent building, which comprises the following steps that: (1) the data on the monitoring end in the building are collected, and each record of the recording points of the collected data is one triple group (the tagid, the time and the data); (2) when the tense attribute value of some recording point is changed, the corresponding new data are stored into the first stage of buffering, then the next task is directly carried out, and the new data are stored into files through a background data storage thread; (3) the second stage of buffering is established; (4) a historical data compression region is arranged, and the data in a buffering region are transferred to a disk file after being compressed in the compression region; (5) the data files are organized by adopting the form of a file queue, and the next file in the file queue is started after the file is fully stored; and (6) the compressed data are stored into a storer and supplied to the required client to call after the compression is finished.

A different system hard switching method for WXDMA system, which is adaptive to initial stage application of third generation mobile communication system network establishment, improves signal quality of user communication in optimum mode, reduces UE transmission power and interference to other cells, said method also refers process of emergency of wireless network, dispatching among modules in integral system and technological content of planning 3G system network, can be adapted to other CDMA system.

The invention relates to a device and a method for researching damage to a fractured rock mass and expansion of a crack based on a catastrophe theory. According to the device and the method for researching damage to the fractured rock mass and the expansion of the crack based on the catastrophe theory, a fixed baffle is right-angle-shaped; a longitudinal pressure clamp, a horizontal load hydraulic clamp and the fixed baffle jointly surround to form a test piece cavity; the longitudinal pressure clamp is positioned in a longitudinal pressure hydraulic cavity; the horizontal load hydraulic clamp is positioned in a horizontal load hydraulic cavity; a water injection pipe is connected with an injection pump through a pipeline; a fracturing shaft extends into the test piece cavity and is connected with a heating device and a fracturing liquid pressurization pump through pipelines; the fixed baffle is provided with a strain sensor and a sound emission signal receiver; the sound emission signal receiver is arranged on the horizontal load hydraulic clamp; a thermal induction detector of an induction detection system is arranged on the outer side of the perpendicular edge of the fixed baffle; a longitudinal load pressurization system is connected to the longitudinal pressure hydraulic cavity; a transverse load pressurization system is connected to the horizontal load hydraulic cavity. According to the device and the method which are disclosed by the invention, visible description of the expansion of the crack in the fractured rock mass is realized, and the expansion rule of the crack in the rock mass can be clearly described.

The invention relates to a method for improving the extraction rate of crude oil by using industrial waste water and industrial waste gas. The method comprises the following steps: injecting the industrial waste water containing carbohydrates and the industrial waste gas containing carbon dioxide into an oil layer, carrying out fermentation reaction in the oil layer environment, and generating metabolites, such as a biosurfactant, CO2, H2 and the like. The method comprises the following steps: A, preprocessing the industrial waste water to remove larger particulate matters and adjust pH to be equal between 6.0 to 9.0; B. making the proportion of the preprocessed industrial waste water to an activating agent to a zymogen liquid be 100,000:10 to 100:1 to 5, and synchronously injecting the industrial waste water, the industrial waste gas and oil well injecting water into stratum by the industrial waste water delivery capacity of 5 to 100m / h and the industrial waste gas delivery capacity of 0.5 to 10 x 10Nm / h at a pressure of less than the oil failure pressure; and C, continuously injecting the industrial waste water, the industrial waste gas and the oil well injecting water into the stratum at any proportion for a long time, carrying out the microorganism fermentation reaction in the stratum, and generating the metabolites which are favorable for improving the extraction rate of the stratum crude oil. The method can be widely used in the petroleum exploitation process.

The invention relates to a humanoid robot stable waling control method comprising the steps that step S1: momentum and angular momentum generated for compensation of a ZMP tracking error by a robot system are acquired; step S2: mapping from a robot configuration space to the momentum and the angular momentum is acquired by utilizing a momentum jacobian matrix based on the mode of differential kinematics; step S3: damping pseudo inverse calculation is performed on the momentum jacobian matrix so that inverse mapping of mapping in the step S2 is obtained, and thus a robot configuration space command is acquired and is corresponding to momentum compensation control task in walking; and step S4: the momentum compensation control task is allocated by adopting a dynamic priority switching mode, and movement commands of all joints are generated. Compared with methods in the prior art, parsing momentum control is applied to humanoid robot balance control via a ZMP calculation formula, and the control problem is integrated into a task space control system so that unknown disturbance can be suppressed by the humanoid robot by utilizing compensation momentum generated by local movement.

A method of significantly reducing error propagation due to voice packet loss, while still greatly profiting from long-term pitch prediction, is achieved by adaptively limiting the maximum value of the pitch gain for the first pitch cycle within one frame. A speech coding system for encoding a speech signal, wherein said a plurality of speech frames are classified into said a plurality of classesdepending on if the first pitch cycle is included in one subframe or several subframes. The pitch gain is set to a value significantly smaller than 1 for the subframes covering first pitch cycle; wherein the pitch gain reduction is compensated by increasing the coded excitation codebook size or adding one more stage of excitation for the subframes covering the first pitch cycle.

The invention provides an intelligent motor vehicle exhaust emission diagnosis method and an apparatus thereof and relates to a wireless communication technology field. The apparatus mainly comprises vehicle terminal equipment formed by a vehicle on-board diagnosis (OBD) II automobile emission monitoring system and a vehicle wireless transceiver system. A monitoring center, a city traffic highway and a gateway are provided with monitoring stations. The vehicle terminal equipment carries out channel scanning, searches a monitoring station coordinator and emits an access network request. After the network is connected successfully, the vehicle terminal equipment sends a license plate number and information whether the exhaust emission exceeds a standard and the like to the monitoring station coordinator. The monitoring stations establish the network, receive the information of the vehicle terminal and transmit data to a vehicle monitoring database of a monitoring center computer so as to monitor and manage the vehicle exhaust emission. By using the method and the apparatus of the invention, detection, maintenance and management of the automobile exhaust emission can be integrated into one body so that a requirement of environment protection can be satisfied. And the method is reasonable and simple. An apparatus structure is simple. Usage is convenient and cost is low.

The invention relates to a cultivation method for camphor trees. The cultivation method comprises the following steps of first, collecting and storing seeds; second, carrying out seeding, soaking seeds for three to four hours for sterilization by utilizing 0.1% Bromogeramine solution before seeding, utilizing warm water at 50-60 DEG C for accelerating germination, and keeping the water temperature; third, growing seedlings, removing coverings in time after the seedlings come out of soil, and when the seedlings grow two to three true leaves, conducting thinning; conducting distribution and management work of intertilling, weeding, ridging, topdressing, irrigating, insect disease preventing and the like in seedling cultivation; conducting no less than three times of seedling nurture in one year, conducting one to two times of seedling nurture in the second year, and applying animal manure 30t / hm<2> to a bed face in winter; fourth, carrying out transplanting; fifth, carrying out watering; sixth, controlling pests. The rate of survival of the camphor trees cultured through the cultivation method is effectively increased, and the planting effect of the camphor trees cultured through the cultivation method is effectively improved. The cultivation method for camphor trees is particularly suitable for camphor trees cultured in an out-of-season mode, reasonable, easy to operate and suitable for large-scale planting.

The invention relates to a multi-energy complementary coordinated power generation scheduling method based on a wind-light-water-fire storage combined system, which is characterized by comprising thefollowing steps of firstly, simulating a time sequence for producing the wind power / photovoltaic output by utilizing an improved Markov chain method; secondly, determining load requirements, minimum economic output of a thermal power generating unit and boundary conditions of forced output of a hydraulic power plant, and calculating a renewable energy power generation operation feasible region; then, preferentially arranging wind power and photovoltaic power generation in the renewable energy power generation operation feasible region, and formulating a water and electricity dispatching strategy on the basis of the wind power and photovoltaic power generation; and finally, comprehensively considering the operation cost of the thermal power generating unit and the energy storage operation cost considering life loss; formulating a thermal power generating unit and energy storage combined dispatching strategy with the minimum total operation cost of the thermal power generating unit and energy storage in the dispatching period as the target, solving a corresponding optimization objective function through a particle swarm algorithm, and then obtaining the wind-light-water-heat-storagecombined system dispatching strategy. The method has the advantages of scientificity, reasonableness, simplicity, applicability and the like.

The invention provides a block chain and Internet of Things identifier combined heterogeneous identifier analysis method, which comprises the following steps: a current identifier root node generatinga mapping information record corresponding to an identifier code, submitting the identifier code and the mapping information record to a block chain and broadcasts the identifier code and the mappinginformation record, and the mapping information record comprising an analysis server address corresponding to the identifier code; receiving an event which is broadcasted after the mapping information record is verified and stored by the block chain module; and receiving a query request containing the identification code sent by the client, and querying a mapping information record in a block chain module to obtain an analysis server address of other identification root nodes corresponding to the identification code. The method is aimed at Internet of Things identifier analysis service. The block chain technology is used for solving the problem of synchronization consistency of neglected mapping tables in the identification analysis service from a single root to a plurality of distributedarchitecture related technologies, complete fair peer-to-peer between the analysis services is realized, and the whole peer-to-peer network is ensured to realize compatible heterogeneous Internet ofThings identification analysis service.

This invention discloses a hydrocracking method, and this invention is used for producing high aromatic hydrocarbon heavy naphtha and high quality end oil.It includes that heavy distillate oil and poor quality catalytic cracking diesel hydrocracks separately, and the mixture of the cracking products is conducted gas liquid separation. Light naphtha, heavy naphtha, aviation kerosene, diesel oil and end oil will be obtained by distillating the liquid phase. The density of the poor quality catalytic cracking diesel oil is above 0.9g / ml, and the aromatic hydrocarbon is over 60wt% and the value of hexadecane is under 30. It is a adequate utilization of catalytic cracking craft to produce high aromatic hydrocarbon heavy naphtha and high quality end oil with heavy distillate oil and poor quality catalytic cracking diesel, which can be separately used as catalytic reforming material and making ethylene material by steam cracking method. High aromatic hydrocarbon heavy naphtha in this invention will produce a large amount of reforming hydrogen after catalytic reforming treatment, which can be used in the process of hydrocracking to make this preparation more ecnomical and reasonable.

The invention discloses a preparation method of natto red yeast rice health care food for assisting in lowering blood lipid. The preparation method is characterized in that soybeans serves as the raw material and is soaked, steamed and boiled, cooled, inoculated with bacillus natto, fermented, refrigerated, frozen, dried, crushed and processed into natto powder, then red yeast rice extract and magnesium stearate are added, then the ingredients are mixed to be prepared into granules or capsules, and the natto red yeast rice health care food is prepared from, by weight, 50-70% of the natto powder, 30-50 parts of the red yeast rice extract and 0-3% of magnesium stearate. According to the preparation method, adopted raw material components are scientific in compatibility, the adopted technological process and method are reasonable, scientific and easy to operate, the obtained product is free of toxic and side effects, capable of being easily absorbed by a human body and convenient to eat, it is beneficial to prevent and control atherosclerosis hardening of the arteries and lower the risk of cardiovascular diseases, and the health care function of assisting in lowering blood lipid is achieved.

The invention discloses a method for improving the ash content of paper-making process reconstituted tobaccos. The method includes the steps that after tobacco raw materials are extracted, solid-liquid separation is carried out, tobacco liquid is partially refined, concentrated and charged and then is manufactured into coating liquid, pulping treatment is partially conducted on the tobacco solid part, so that tobacco slurry fibers are obtained, CaCO3 is added into the tobacco slurry fibers, and the CaCO3 is filled into cell cavities of the tobacco slurry fibers through pits of the tobacco slurry fibers; afterwards, the tobacco slurry fibers and additional fiber slurry are mixed according to the weight ratio of 4 to 1, and then paper manufacturing with pulp is carried out to manufacture reconstituted tobacco sheets; the coating liquid is made to coat the reconstituted tobacco sheets, so that the paper-making process reconstituted tobaccos are manufactured. According to the method, the technology that the CaCO3 is filled into the cell cavities of the tobacco slurry fibers is applied to the preparation technology of the paper-making process reconstituted tobaccos, any chemical agent such as a high-molecular polymer is not added, and the purposes that the ash content is improved and meanwhile the strength performance of the paper-making process reconstituted tobacco sheets is improved can be achieved.

The invention relates to a distribution network frame planning method for conducting clustering and partitioning on the basis of load points and considering geographical factors. The method is characterized by comprising the steps that a clustering algorithm is improved through load weighting factors, the load points in service areas of all transformer substations in a to-be-planned area are clustered and partitioned, and the points with the smallest distance with the transformer substations in the partitions serve as source load points; a connection relation matrix capable of representing theupstream and downstream relationship of the load points is built according to power flow, the matrix is used for rapidly getting current of a circuit and judging the influence of the position of a tie line on faulty line downstream load transaction supply; by means of an improved minimum spanning tree algorithm, the main network frame planning scheme with the minimum annual investment, running and geographic barrier cost is obtained; in order to further improve the reliability of the scheme, tie line planning among the partitions is conducted by taking the minimum investment and power outagecost as the target, and different power outage cost calculation methods are adopted for different load transaction supply situations. The method is scientific, reasonable, simple and practical.

The invention relates to a verification method for silt coast wave-induced current numerical simulation, and belongs to the technical field of offshore water dynamic simulation and verification. The verification method for silt coast wave-induced current numerical simulation comprises the following steps of respectively building a Deflt3D wave-induced current calculation model and an ROMS wave-induced current calculation model; respectively calibrating and verifying the applicability of the Deflt3D wave-induced current calculation model and the applicability of the ROMS wave-induced current calculation model; comparing and analyzing commonness and differences of simulations results of the Deflt3D wave-induced current calculation model and the ROMS wave-induced current calculation model, and utilizing a comparison method for verifying calculated results of the models. The verification method has the advantages that on the current condition that silt coast wave-induced current lacks measured data and cannot verify the models, the model comparison verification method is provided, the method is reasonable and feasible, and the defect of lack of measured data of the silt coast wave-induced current can be overcome.

The invention relates to a data-free small reservoir parameter identification method combining hydrological simulation and continuous remote sensing images. The method comprises the following steps: step 1, determining a data-free small reservoir area and an upstream basin range; step 2, reservoir discharge parameters and a discharge curve are determined; step 3, verifying the reservoir dischargeparameters and the discharge curve; and step 4, identifying the reservoir operation mode. The data-free small reservoir parameter identification method provided by the invention not only identifies the reservoir area range and the weir crest elevation, but also provides a reservoir discharge parameter and discharge curve determination and verification method, thereby identifying the reservoir operation mode, and providing technical support for small reservoir flood discharge and small basin flood control in a data-free area.

The invention provides a slightly alkaline sapphire polishing solution and a preparation method thereof, which relates to the field of sapphire polishing technology. The method comprises the following steps: firstly, suspending nano-silica sol particles of which the particle diameters are 3-300nm in water; adding a complexing agent into the suspension; then, adding a surfactant; and finally, regulating the pH value of the suspension to 7-9.5. The method of the invention is simple and reasonable, easy production and good product stability. The product has high dilution rate, high polishing efficiency, good and strong stability and easy production and can not deposit on the surfaces of polishing machines and polishing materials easily; and because of unique fluid property, the product can not be air-dried on the surface of sapphire easily after being polished, thereby greatly reducing the burden of the subsequent cleaning processes. Different from the traditional sapphire polishing solution, the product of the invention has the advantage that under the condition of regulation of a reasonable formula, the polishing and cutting rate of sapphire increases when the pH (10.5) decreases.