450results about How to "Improve control ability" patented technology

The invention discloses a network security situation awareness system based on self-discipline computing and a processing method thereof. The network security situation awareness system comprises a managed resource, an Agent cooperation layer module, a sensor, an effector module and a self-discipline manager module, wherein the Agent cooperation layer module is connected with the managed resource and the self-discipline manager module; and the sensor and the effector module are respectively connected with the Agent cooperation layer module and the self-discipline manager module. The network security situation awareness system has the advantages that the system structure and the situation extraction for situation awareness are improved, the system environment is adjusted autonomously to adapt to the environment change dynamically, so that dynamic allocation of resources, dynamic synthesis of services and dynamic correction of system parameters are realized.

The invention relates to a diamond wire saw production method of a surface modified diamond, which comprises the following steps: 1. removing surface grease and surface metal oxides on the surface of the diamond; 2. placing diamond micropowder into a cationic surfactant solution, applying positive potential and forming a layer of positive charge film on the surface of the diamond under the electrophoretic action by action of a cationic surfactant; and 3. carrying out composite electroplating of a diamond wire saw. In the invention, conductive processing is carried out on the diamond, so that diamond grains can orderly move in a plating solution under the action of an electric field to realize the electroplating deposition on the surface of a metal wire without the influence of the size of the diamond grains; the surfactant is adsorbed on the surface of the diamond, so that a plating layer and the diamond present an infiltrative type interface, and a Ni plating layer has strong holding capability on the diamond; and the diamond micropowder has high utilization ratio. The invention has simple process method and convenient operation, the diamond grains have rapid deposition speed, good deposition uniformity and high deposition density on the metal wire, an electroplating layer has high holding force on the diamond grains, and the diamond micropowder has high utilization ratio. The invention can realize industrialized production and provides a method for efficiently and rapidly producing the diamond wire saw.

The invention discloses a compound reverse osmosis membrane with interpenetrating network desalting layer and a preparation method of the membrane. The desalting layer consists of a stereoscopic network which is formed by interpenetrating macromolecule nanogel and polyamide. The preparation method comprises the following steps of: pre-adding hydrophilic and / or oleophylic macromolecule nanogel with good dispersion into a solvent of solution A and / or B, preparing a water phase A solution containing m-phenylenediamine and / or p-phenylenediamine, preparing an organic phase B solution containing trimesoyl chloride, enabling the solution A and the solution B to fully contact on a porous support carrier for interface reaction, rinsing by using deionized water, carrying out moisturizing treatment by using glycerol, and drying. The compound reverse osmosis membrane disclosed by the invention has a sodium chloride removal rate of not less than 99% and a flux of not less than 25GFD (Geophysical Fluid Dynamics) under a pressure of 225psi; the microstructure and the charge property of the desalting layer can be regulated and controlled through the macromolecule nanogel so that the reverse osmosis membrane with high anti-pollution capability is prepared; and the compound reverse osmosis membrane can further be used for developing novel low-pollution reverse osmosis membranes.

The invention provides an MOF (metal-organic framework) composite material as well as a preparation method and an application thereof. The preparation method comprises steps as follows: a high polymer material substrate grafted with maleic anhydride, metal salt and a carboxyl-containing organic ligand are mixed in a solvent and subjected to a heating reaction, and the MOF composite material is obtained; the carboxyl-containing organic ligand contains a functional group; the functional group contains one or more of nitrogen, oxygen and sulfur. Compared with the prior art, the preparation method is simple, conditions are mild, and the MOF composite material linked with maleic anhydride through chemical bonds cannot be embedded by maleic anhydride homopolymers; besides, the preparation method does not have too many requirements for the metal salt and the carboxyl-containing organic ligand and has quite high regulation and control performance; furthermore, the carboxyl-containing organic ligand is modified with the functional group containing nitrogen, oxygen and sulfur, so that adsorbability of the MOF composite material for heavy metal ions in an aqueous phase is improved.

Disclosed is a modified conjugated diene polymer wherein a modifying group derived from a low molecular weight compound having two or more tertiary amino groups and one or more alkoxysilyl groups in a molecule is bonded to a conjugated diene polymer obtained by polymerizing a conjugated diene compound or to a conjugated diene polymer obtained by copolymerizing a conjugated diene compound and an aromatic vinyl compound. Also disclosed is a method for producing the modified conjugated diene polymer which is characterized in that after polymerizing a conjugated diene compound or copolymerizing a conjugated diene compound and an aromatic vinyl compound in a hydrocarbon solvent using an alkali metal initiator and / or an alkaline earth metal initiator, an active end of the thus-obtained polymer is reacted with a low molecular weight compound having two or more tertiary amino groups and one or more alkoxysilyl groups in a molecule.

The invention relates to methods using constructs comprising a helicase and an additional polynucleotide binding moiety. The helicase is attached to the polynucleotide binding moiety and the construct has the ability to control the movement of a polynucleotide. The constructs can be used to control the movement of polynucleotides and are particularly useful for sequencing polynucleotides.

The invention discloses a biomass complex gasification method and a device of the gasification. The thermal decomposition, the gasification, part of the oxidation process are combined in one reactor by the integrating the fluidized bed and the airflow bed. Firstly, the biomass is decomposed at 500 to 600 degrees C and generates hard coke; secondly, the hard coke with large grain sizes are partly oxidized and gasified in the hard coke gasifying section, which provides heat and generates combustible gas for the thermal decomposition section; thirdly, the reaction gases with small hard coke grains discharged from the thermal decomposition section and the catalyst fast flows upwards through the macromolecular gasifying section, and the reaction gas are partly oxidized because of the function of the secondary gasifying agent, the heavy tar component is forced simultaneously through thermal cracking reaction and catalytic cracking reaction with the catalyst at the temperature over 1000 degrees C and transformed to lightweight combustible gas; at last, the unreacted hard coke is sent back to the furnace through the gas-solid separation device and the solid recycling device. The biomass complex gasification method has the advantages of high gasification efficiency, low tar content, high control ability of the gas component, stable operation and easy enlargement.

The invention discloses fully-prealloyed powder. The fully-prealloyed powder is prepared from, by weight percentage, 30%-65% of Fe, 15%-45% of Cu, 1%-15% of Sn, 0%-15% of Ni, 1%-30% of Co, 0%-5% of Qt and the balance inevitable impurities, wherein Qt is selected from one or more of Mn, Cr, Ti, P and W. The invention further discloses a preparation method of the fully-prealloyed powder. The formability and sintering strength of the fully-prealloyed powder are improved, and the sintering density of the fully-prealloyed power is increased; in the whole process, only the fully-prealloyed powder is used as a bonding agent in a diamond tool bit; and the advantages that the fully-prealloyed powder is low in sintering temperature, wide in process range and good in pullout strength on diamond are brought into full play.

An object of the present invention is to provide a hot plate which is superior in thermal conductivity, is superior in temperature-rising / dropping property, particularly in temperature-dropping property, and has high cooling thermal efficiency at the time of cooling. The hot plate of the present invention is a hot plate comprising: a ceramic substrate; and a resistance heating element formed on the surface of said ceramic substrate or inside said ceramic substrate, wherein said ceramic substrate has a leakage quantity of 10−7 Pa·m3 / sec (He) or less by measurement with a helium leakage detector.

The invention discloses a production process for preparing a high-performance diamond wire saw, which comprises the following steps: firstly, reacting diamond with tungsten oxide, water vapor and hydrogen at a temperature of between 65 and 900 DEG C to form a W-W2C layer on the surface of the diamond so as to realize surface alloyed tungsten of the diamond; secondly, preparing electroplating bath by the diamond of the surface alloyed tungsten and watt type nickel plating solution, and carrying out electroplating by using a nickel plate as an anode and a steel wire as a cathode; making the diamond of the surface alloyed tungsten do electrophoresis motion under the action of an electric field and electrodeposited on the surface of the steel wire, and simultaneously electrodepositing the metal nickel on the surface of the steel wire. The diamond wire saw prepared by the production process has the advantages of even distribution of diamond grain, high mass percentage of a diamond plating layer and high electroplating speed; and the diamond and a nickel matrix are in metallurgical bonding, so the bonding capacity of the matrix for cutting diamond grains is remarkably improved, and the cutting capacity and the service life of the diamond wire saw are greatly improved. The production process is suitable for industrialized production, and can replace the prior production process for the diamond wire saw.

The invention relates to a superfine abrasive biomacromolecule flexible polishing film and a preparing method of the polishing film and belongs to the field of combination between biomacromolecule material and super-precision machining. The polishing film is characterized in that a substrate of the polishing film is made of degradable biomacromolecule material, the mechanical performance of the polishing film is enhanced through selected filling agents, water carrying agents, pore forming agents and other drying control chemical additives, and superfine abrasives can be evenly dispersed and effectively held in the polishing film with a coupling agent surface chemical modification method. Compared with a traditional chemical and mechanical polishing mode, the problems that free abrasives are seriously wasted, and the environment is polluted by a corrosive polishing solution are avoided. Compared with a commercial polishing film product, the biomacromolecule substrate has certain flexibility, abrasive particles can be soaked in the biomacromolecule substrate, scratches and mechanical damage are avoided, and super-precision undamaged machining can be achieved. The degradable superfine abrasive biomacromolecule flexible polishing film has the advantages of being simple in preparing technology, good in polishing effect, high in machining efficiency, capable of making a workpiece convenient to wash, environmentally friendly and the like.

The invention discloses a battery temperature control system for vehicles. The battery temperature control system comprises a water pump, a radiator and a battery pack that can are connected in series in sequence to form a cooling loop, wherein a liquid-liquid heat exchanger with an additional heating apparatus can be arranged between the radiator and the battery pack; when the battery temperature control system is in use, the radiator controls the radiating power according to the instantaneous temperatures of the water inlet and water outlet of the radiator so as to cool the battery pack; and a battery controller also can control the heating apparatus according to the instantaneous temperature of the battery pack to heat the cooling water flowing through the liquid-liquid heat exchanger so as to further heat the battery pack. Due to the design, the battery temperature control system is relatively high in regulation and control capability, and capable of heating and cooling the battery pack and realizing temperature control in time, and relatively high in energy utilization ratio.

The present invention refers to a method for controlling a resonance DC / DC converter, which adjusts an output voltage by changing a turn-on frequency of input switch devices of a resonance circuit of the converter, and extends the range of the output voltage of the resonance circuit by adjusting the duty ratio of the switch devices based on the feedback signal of the load circuit. The present invention also provides the resonance DC / DC converter structure using the controlling method. The advantage of the present invention lies in the use of two modes of frequency modulation and frequency modulation plus pulse width modulation to control the resonance DC / DC converter; the use of the frequency modulation controlling mode when the operating frequency of the power supply is low, and introducing the frequency modulation plus pulse width modulation controlling mode when the operating frequency of the power supply is too high. As a result, the problem of the resonance converter, that is, the high operating frequency and the big loss of the circuit when the circuit operates at a light load and non-load, can be solved, and thus the regulation ability for the output voltage of the resonance circuit is enormously improved, and the output range of the voltage is effectively expanded.

The invention provides an accurate controllable non-contact test piece rotary magnetic field fatigue excitation and vibration test device. The device comprises a vibration damping insulation clamp, a vibration damper, a dynamic balance device, a vibration exciter, an electromagnetic piezoelectric coupling vibration sensor, a test station, a transmission device and an accurate control device. The excitation and vibration test device is suitable for rotary test pieces and especially suitable for vibration characteristic researches on a wind power blade, an engine, a turbine blade, a helicopter rotor and a tail rotor blade, the excitation and vibration test device can vividly simulate vibration fatigue states of rotary test pieces respectively under conditions of 360-DEG all directions, same rotating speed and different excitation forces, same excitation force and different rotating speeds, and different rotating speeds and different excitation forces, the excitation and vibration test device can monitor related vibration characteristic parameters such as the excitation force, the vibration displacement, the vibration speed and the vibration acceleration continuously, and the excitation and vibration test device is suitable for vibration fatigue characteristic analysis on stationary test pieces.

The invention discloses an active-passive cooperative heat storage wall heating system of a solar greenhouse, and belongs to the technical field of agricultural facilities. The active-passive cooperative heat storage wall heating system mainly comprises a phase-change heat storage wall, a concentration-type solar air heat collector system, an active heat storage heating system body and an equipment control unit. The phase-change heat storage wall is composed of a cement mortar layer, a phase-change heat storage layer, a bearing building block layer and a thermal insulation layer from the indoor side to the outdoor side, wherein the phase-change heat storage layer is formed by pouring phase-change materials packaged through steel drums, heat storage coil pipes, gravel and cement. The solar air heat collector system is formed by connecting multiple groups of condensation-type solar air heat collectors in series, and a sunshade device used in summer is arranged above the heat collectors. The active heat storage heating system body is composed of a heat collector, thermal insulation pipes, a heat storage coil pipe, a frequency conversion fan, air openings and air valves. The equipment control unit is composed of a controller, a temperature sensor and electric adjusting air valves. According to the active-passive cooperative heat storage wall heating system, active and passive heat collection, heat storage and heat supply of the wall of the solar greenhouse are combined, therefore, the heat storage and thermal insulation performance of the wall of the solar greenhouse can be obviously enhanced, the solar energy utilization rate of the greenhouse can be obviously increased, and the adjusting capacity of the heat storage wall of the solar greenhouse to the heat environment in the greenhouse is improved.

The invention discloses a method and a device for light supplementary by combining the natural light in daytime and artificial supplementary light at night in a barton. The method comprises the following steps: breeding chickens in the barton allowing natural light to enter, and mounting an LED lamp A or an LED lamp B or mounting both the LED lamps A and B for light supplementary in the barton; wherein the color temperature of the LED lamp A is 6,172 K, the dominant wavelength of the LED lamp A is 492.5 nm, and the peak wavelength of the LED lamp A is 450.5 nm, the color temperature of the LED lamp B is 1,831 K, the dominant wavelength of the LED lamp B is 588.3 nm, and the peak wavelength of the LED lamp B is 591.1 nm; the lamps for light supplementary can also be the LED lamps which have similar spectrum with the LED lamp A or the LED lamp B; in daytime, the chickens receive the natural light penetrating through a window in the barton or are sent out of the barton to receive illumination; and at night, the chickens receive artificial supplementary light to enable the average light intensity of the contact surface of chicken claws to be 5-30 Lux. During the whole breeding process, the LED lamp A or the LED lamp B is used, or the LED lamp A is firstly used before the chickens are of 40-day-age and then the LED lamp B is used. The switch of each LED lamp is controlled by a hand switch, an autotimer or a controller. The method and the device disclosed by the invention are applicable to breeding of yellow feather broilers in large-scale bartons.

A CBN grinding wheel of a low-temperature ceramic bond consists of a bond, auxiliary materials, an abrasive layer and a transition layer. The components and the proportion of the bond are 48-60% of SiO2, 25-37% of Al2O3, 5-10% of Na2O and 3-7% of Li2O; the components and the proportion of the abrasive layer are 23-40% of CBN and 23-40% of SiC, 20.3-29.8% of the bond, 0.1-0.3% of dextrin powder and 0.1-0.2% of walnut powder; and the components and the proportion of the transition layer are 64-76% of the SiC, 21.9-32.9% of the bond and 0.1-0.2% of the dextrin powder. By adopting the technical processes of mixing materials, molding a blank of the abrasive layer by compression, sintering the blank of the abrasive layer, configuring, determining and processing the dimension of matrix bond, bonding the abrasive layer with the matrix, carrying out rotation test, trimming the external circle and end face of the abrasive layer, inspecting the abrasive layer of the grinding wheel, carrying out dynamic balancing, processing the appearance, and the like, and by reducing the firing temperature of the ceramic bond, the problem that burning loss happens easily due to oxidation of the abrasive is solved, and the strength of the product is improved.

The invention relates to a preparation method of a biological enzyme, particularly relates to a biological enzyme preparation method of natural brassinolide. The method includes: steps of inoculationfermentation, pressure filtration, ultrafiltration, emulsification, enzymolysis, extraction, pressure filtration, concentration, resin absorption, concentration crystallization, vacuum filtration, drying and packaging. The invention has advantages of simple process method, low energy consumption in production process, high product purity and environmental conservation.

The invention discloses a micro-grid voltage disturbance control method with voltage harmonic compensation, and belongs to the field of electrical technology. According to the invention, droop control, proportional resonance control and harmonic compensation control are mainly employed for a plurality of inverters in parallel connection. When a micro-grid voltage fluctuates, reactive power is uniformly divided through droop control, and a disturbance voltage is adjusted. Also, the high-order harmonic wave of the micro-grid voltage can be extracted through detection, the first-order elimination is carried out through proportional resonance control, and then the second-order elimination is carried out through the harmonic compensation control. Finally, the above results are outputted in a voltage mode through a PWM control inverter. The method can effectively improve the operation characteristics of an intermittent and unstable power supply in real time, also can adjust the voltage disturbance and the harmonic voltage, achieves the effects of voltage stabilization and voltage harmonic elimination, improves the capability of micro-grid regulation and control, improves the stability and reliability of the micro-grid operation, and improves the grid-connected capability of a micro-grid.

The invention relates to an electric excitation permanent magnet switch, a reluctance motor for the electric excitation permanent magnet switch and an electric excitation method. In the electric excitation permanent magnet switch, two magnetic poles of a permanent magnet are respectively connected with both ends of an iron core on which magnet exciting coils are wound by two soft magnets; and salient poles are arranged on the soft magnets. In the reluctance motor, the switch is used as basic components of a stator and a rotor, and the two magnetic salient poles of each component are arranged in an axial direction; the salient poles of the stator component and the rotor component are arranged oppositely, and air gaps are reserved between the salient poles; and the magnet exciting coils of the stator component and the rotor component at the axial symmetrical position are connected in series or in parallel and then are used as a phase line respectively to be connected to an excitation control power supply. The invention also provides a combination motor formed by connecting motor monomers by using a shaft in a rotary and dislocation mode and a method for the simultaneous diphase electric excitation of the stator component. The switch and the motor save energy, and have low magnetic loss and high magnetic efficiency; and the combination motor with the diphase electric excitation realizes the subdivision of stepper angles, and improves running stability, control accuracy and output power.

The invention belongs to the field of rice machine transplanting seedling raising technologies and relates to a soilless rice seedling raising method and application. The soilless rice seedling raising method comprises the following steps: preparing a seedling bed; preparing a seedling raising medium; sowing seed rice; coating a film; managing seedlings; and drawing and transporting the seedlings. Rice husk and nonwovens are used as water volume seedling raising media, a water planting nutrient solution is applied to seedling cultivation, the fertilizer utilization efficiency is greatly increased, the seedlings grow strongly, and the elasticity is relatively great. The length of raised seedling volume reaches 3-6m, the weight is only 1 / 5 of that of a conventional seedling block, and the investment of manpower and machines in the seedling block carrying process is reduced. Meanwhile, the number of halt and seedling supplement of a rice transplanter is effectively reduced so that the farming machine transplanting efficiency is greatly improved in the machine transplanting farming process as the seedling volume is 3-6m. The soilless rice seedling cultivation method is simple and convenient to operate, labor-saving and time-saving. By utilizing the soilless rice seedling raising method, industrialized, intensive and large-scale seedling raising is easy to realize.

The invention discloses a multi-dimensional data dependency visual analyzing method and system based on dimension projection and application, and belongs to the technical field of data analysis and visualization. The method includes the steps of establishing a KNN-Pearson measurement method to calculate the dependency of multi-dimensional data concentration dimensions, conducting formalized description and operation on multi-dimensional data sets through a matrix, and conducting quantitative calculation on the dependency of the data set dimensions to obtain a dimension dependency matrix R of multi-dimensional data. Through the visual method of projecting the data dimensions to display the dependency of the data dimensions, the dependency of the data dimensions is visualized. The multi-dimensional data dependency visual analyzing system comprises a data preprocessing module, a dimension dependency calculating module, a dimension dependency matrix heat map visualization module, a multi-dimensional property MDS projection module and a multi-view visualization and interaction module. The multi-dimensional data dependency visual analyzing system is applied for visual displaying and analyzing of pesticide residual data sets.

The invention discloses a visible-infrared independent control electrochromic device. The structure of the visible-infrared independent control electrochromic device comprises a first transparent electrode, a first electrochromic layer for only regulating visible light under a high-voltage condition, a second electrochromic layer for only regulating infrared light transmittance under a low-voltagecondition, an ion conduction layer and a second transparent electrode which are arranged in sequence, wherein the high voltage ranges from-5 V to 5 V, and the low voltage ranges from-2.5 V to 2.5 V.The first electrochromic layer capable of adjusting visible light and the second electrochromic layer capable of only adjusting infrared light are designed, so that the transmittance of the infrared light and the transmittance of the visible light are independently adjusted and controlled under different voltages, and the requirements of actual life are met.

The invention relates to a method that the photosynthesis of plants extensively grew in desert or drought areas is utilized to adjust the carbon dioxide concentration in air and to reduce the greenhouse effect; the invention further relates to an optical, mechanical and electronic integration automatic control protective device. The device of the invention comprises two parts: a sun-shading protective system arranged above the desert with a main function of shading sunshine and an ecosystem arranged at the surface of the desert and taking plants as the main sector, The cooperation of the two parts can achieve the purposes of thoroughly controlling desert, adjusting the carbon dioxide concentration in air and reducing the greenhouse effect.

The invention particularly discloses a method for extracting graphene quantum dots and a lubricating oil modified additive prepared therefrom. In the invention, raw coal which comprises high-moisturelow-rank coal, aged anthracite and transitional bituminous coal therebetween or can also be coal-related coke such as gas coke, activated carbon or other coal-based raw materials are utilized, on thebasis of the improved conventional graphene synthesis Hummer method, an obtained graphene preliminary product is subjected to secondary dialysis in a dialysis bag, materials in the second dialysis bagare taken as the raw materials of carbon quantum dots of the invention, the scale of acquiring the graphene can be well controlled, the scale of the carbon quantum dots is uniform, and the obtained graphene quantum dots has a thickness of 1 to 100 carbon layers and a scale of 1 to 10nm. Furthermore, functional groups on the surface of the prepared carbon quantum dots are enriched by the sulfur and nitrogen contents in the raw materials, and the rich oxygen, sulfur and nitrogen functional groups are attached to each quantum dot, thereby facilitating a further link to other molecules to play the ability of versatility.

The invention provides a titanium dioxide composite material and a preparation method and application thereof. The titanium dioxide composite material at least comprises titanium dioxide and fluorine or carbon doped on titanium dioxide, or fluorine and carbon co-doped on titanium dioxide. The titanium dioxide composite material has good biocompatibility, has antisepsis and anti-inflammation effects as well as an effect of promoting bone cell proliferation, has strong applicability, and also can be used as a photocatalytic material.

The present invention discloses a fermented feed-containing 5% laying hen premix and a laying hen full price daily diet prepared from the premix. The fermented feed consists of corn, tenebrio molitor meal, soybean meal, cottonseed meal, apple residues, chili meal, corn soaking liquid sprayed corn husk, wheat bran, microorganism liquid and water. The preparation steps of the fermented feed are as follows: raw material crushing and weighing, raw material primary mixing, strain activating, strain and raw material secondary mixing, solid anaerobic fermenting, and wet basic state fermentation product drying. The fermented feed-containing 5% laying hen premix comprises dry basic state fermentation feed and other materials. The daily diet consists of corn, soybean meal, stone powder, and the fermented feed-containing 5% laying hen premix. The advantages of the daily diet are that after the laying hens are fed by the daily diet, the laying hen egg production rate and other egg laying performances and egg product quality are significantly improved, egg production peak period is extended, immune function is enhanced, anti-stress ability is improved, and the daily diet can superimposedly play the roles of regulating the microecology of beneficial bacterium flora and regulating neurotransmitter in the central nervous system.

The embodiment of the invention discloses a thermosetting resin grinding pad and a preparation method thereof. The thermosetting resin grinding pad comprises a diamond, a grinding material and a resin base body and contains the following components in percentage by mass of: 4 to 7 percent of diamond with the particle size being between 40 and 50 microns, 9 to 40 percent of grinding material with the particle size being between 20 and 70 microns, 10 to 55 percent of metal powder with the particle size being between 20 and 70 microns, 10 to 60 percent of polyacrylic prepolymer, 0.1 to 1 percent of radical / anion / oxidation-reduction thermal initiator, 0 to 0.7 percent of metal compound / tertiary amine / quaternary amine promote accelerator, 0.5 to 5 percent of antifriction composition, 0 to 4 percent of grinding material surface modifier and dispersing agent, 0 to 20 percent of system crosslinking density adjustment additive and 5 to 40 percent of acyclic acid esterification reactive diluent. According to the thermosetting resin grinding pad, the density, the mechanical strength and the abrasion resistance of the thermosetting resin grinding pad are improved.

The invention relates to rare earth prealloyed powder which is obtained by water atomization. The powder comprises the following components in percentage by weight: 36-45wt% of Cu, 5-8wt% of Sn, 5-8wt% of Ni, 0.5-1.5wt% of Ce, 8-12wt% of Co and 26-43wt% of Fe. According to the rare earth prealloyed powder provided by the invention, the sintering temperature is 740-800 DEG C, the bending strength is grater than 1000MPa, the utilization ratio of diamond reaches over 50%, the service life of the product is improved by over 30%, and the sharpness of the product is improved by over 20%. The rare earth prealloyed powder provided by the invention is wide in application range, and can be widely applied to granite cutting saw webs of various specifications.

The invention discloses a container management method for a regulation and control of a cloud platform based on a Docker container technology, and the method mainly comprises the steps: carrying out the lightweight container cluster monitoring of container resources of the regulation and control cloud platform, obtaining cluster monitoring information, and carrying out the dynamic balanced distribution of the Docker container cluster resources of the regulation and control cloud platform. According to the method, a Docker container technology is utilized to construct a containerized regulationand control cloud PaaS platform based on application development, deployment and operation environment omnibearing support; rapid construction, agile delivery and convenient operation and maintenanceof container resource on-demand dynamic allocation and power grid analysis decision applications are realized; support is provided for continuously improving the real-time sharing capacity of regulation and control information of a new generation of scheduling control system, complex logic processing of application, distributed calculation and continuous and reliable service capacity, and the regulation and control capacity for controlling a large power grid and the capacity for optimizing and configuring resources in a large range are further improved.