68results about How to "Meet the need for protection" patented technology

The invention provides a jet combustion device and method for super-critical water oxidization of organic matter. The device comprises an inner sleeve and an outer sleeve which are arranged together in a coaxial sleeving manner; a coaxial jet combustor extending into the reactor inner sleeve is coaxially installed at the top of the reactor inner sleeve; the coaxial jet combustor is of a three-layer coaxial sleeve structure, an auxiliary heat source access channel is located on the innermost layer, an oxidant access annular channel is located on the middle layer, and a waste liquid access annular channel is located on the outermost layer; and a process water jacket region, a super-critical water oxidization region and a subcritical water region capable of dissolving inorganic salt are formed in a reactor.

The method discloses a method and device for reinforcing a dynamic link library (DLL) file of an installation package. The method includes the steps that the DLL file of the installation package is encrypted, and the encrypted DLL file is obtained; a decryption program corresponding to the encrypted DLL file is generated; the encrypted DLL file and the decryption program are packaged in the installation package. According to the technical scheme, the DLL file is reinforced through the decryption program independent of the DLL file, cracking of the DLL file is difficult to achieve through a reverse analysis method, therefore, the DLL file is effectively protected, and the requirements of a developer for protecting the DLL file are met.

The embodiment of the invention provides an application program access method and device. The method comprises the steps that in a preset statistical period, statistical analysis is performed on the number of times of conformation of an access response message to a preset condition; the access response message is returned by an accessed object according to an access request message sent by an application program; when the number of times of conformation of the access response message to the preset condition is greater than a preset threshold, a shutdown state is triggered; and in the shutdownstate, when the application program sends the access request message, an anomaly is sent out, and the access request message is forbidden to be sent to the accessed object. Through the embodiment, a fusing protection mechanism can be provided when the application program accesses various accessed objects, and the demand of protecting the application program is met.

Disclosed is a microgrid integrated relay protection method suitable for grid-connected operation and isolated island operation. When a circuit has a fault under different operation modes of a microgrid, a fault section can be cut off accurately, according to a provided setting method and different relative positions of a micro power source and a protection device, different distance setting methods are adopted, adaptivity is achieved, and the problems of protection failures, maloperation and the like caused by distributed power source output currents are solved. In addition, the method only needs to be slightly modified in a general microcomputer protection program, no additional circuit or device needs to be mounted, cost is low, and great significance in the safety of the microgrid is achieved.

The invention discloses a method for first continuously annealing nonferrous metal wires in an on-line mode and then hard drawing the nonferrous metal wires. The method comprises the following steps of wire putting, on-line continuous middle annealing, drawing processing and wire arraying and collecting step. The invention has the advantages of putting forward a fire-new annealing process route and filling up the blank of the tinily drawing on-line continuous middle annealing process. Compared with the prior on-line continuous finished product heavy current annealing process used in the cable industry, the method can simplify the structure of equipment, reduce cooling water flow, install heat insulation facilities and leave out two process steps of external connection of protective gas and dryness of compressed air. Meanwhile, because non-contact annealing is adopted, the annealing quality is ensured. The device is easy to operate and maintain, has low manufacturing and use cost and can be applied to the whole cable industry, especially small and medium-sized enterprises. The on-line continuous middle annealing method is a novel basic processing technology capable of saving energy and water, improving quality and lowering cost in the cable industry.

The invention discloses a method and device for reinforcing a resource file of an installation package. The method includes the steps of extracting the resource file of the installation package, encrypting the extracted resource file, replacing an original resource file in the installation package with the encrypted resource file, and generating a resource decrypting program to be inserted in the installation package. The technical scheme is only aimed at the resource file in the installation package, other files in the installation file are not influenced, the resource file can be effectively protected, the resource file in the installation package can hardly be decrypted even when the installation package is unpackaged, and the requirement of a developer for protecting the resource file is met.

This invention relates to method for judging saturation of current transformation based on difference value of difference current. Said method comprises steps of: sampling phase current according preset sampling rate, storing said sampling results in storage zone, processing said results, calculating difference value of the phase difference current, comparing said calculated difference value with preset valve valve. If said difference value is greater than valve value with an amount, current transformation is judged, if not, there must be fault in the zone. This invention has advantages of: decreased calculation for judging saturation of current transformation, high safety for bus bar protection.

The invention discloses a degradable and environment-friendly anti-seepage film for an oil field and a preparation method of the degradable and environment-friendly anti-seepage film. The degradable and environment-friendly anti-seepage film is prepared from the components by weight as follows: polylactic acid, poly (butyleneadipate-co-terephthalate), plant fibers, glycerin or epoxidized soybean oil and inorganic filler. The preparation method comprises specific preparation steps as follows: weighing the polylactic acid, poly (butyleneadipate-co-terephthalate), the plant fibers, glycerin or the epoxidized soybean oil and the inorganic filler; adding the raw materials to a high-speed mixer for uniform mixing; adding the mixture to a hopper of a twin-screw extruder, and obtaining modified resin after brace granulating; placing the modified resin in a drying machine for full drying, and putting the dried modified resin in a cast sheet machine to obtain the degradable, environment-friendly and anti-seepage film for the oil field. The film can be completely biodegraded in the nature after used, degradation products meet EN13432 standards for compostable and are non-toxic and harmless to soil, and the technical standard for environment requirements is high. The preparation method is simple in process, easy to control and suitable for industrial mass production.

The invention discloses a network-sampling-based proportional braking coefficient variable digital transformer protection device, which is characterized by comprising a network sampling module, a logic operation main CPU (computer processing unit) module and a GOOSE tripping transmission module, wherein the network sampling module is used for receiving sampling data from a combination unit, marking a timestamp on the sampling data, and receiving a synchronization signal from a synchronization signal source device; the logic operation main CPU module is connected with the network sampling module, and is used for protection operation and adjustment over a proportional braking coefficient; and the GOOSE tripping transmission module is connected with the logic operation main CPU module, and is used for transmitting a tripping message. The protection device can realize network sampling and change the proportional braking coefficient for the differential protection of a transformer according to time of arrival, so that the requirements of a power system user on protection over a digital transformer under an intelligent transformer substation and digital transformer substation network sampling condition can be met.

The invention discloses a construction method for in-situ cold regeneration of a highway cement stabilized macadam base, and belongs to the technical field of highway construction. The method comprises the following steps: S1, marking out a macadam spreading area boundary line by using white lime, loading macadam into a macadam spreading vehicle, and spreading the macadam onto an original road byusing the macadam spreading vehicle; and S2, manually spreading cement on the original road, and carrying out slicking treatment. According to the invention, optimized auxiliary material addition canbe determined through sampling, a better regeneration effect is achieved, excessive or insufficient auxiliary materials are avoided, the use performance and comfort of a road are guaranteed, meanwhile, in the construction process, milled old materials are directly utilized on site, the cost is saved, a construction period is short, and an exploitation amount of new materials is greatly reduced through utilization of the old materials; and the problems of transportation and stacking of old materials do not exist, and the requirement for environmental protection is fundamentally met.

The invention relates to an in-situ chemical oxidation remediation method for soil contaminated by benzene series. The method comprises the following steps: injecting a soil remediation agent, carrying out ex-situ treatment after extraction and conducting periodic monitoring. After the injected soil remediation agent is in full contact with pollutants adsorbed on soil particles in a contaminated soil layer under the action of underground water runoff, permeation and hydraulic gradient, the pollutants are degraded into low-molecular simple organic matters by utilizing relatively high oxidation-reduction potential of the soil remediation agent, so the in-situ chemical oxidation remediation method for the soil contaminated by benzene series is realized.

The invention discloses a method for preparing chloride metallocene polypropylene by an acid-phase emulsion melting process. The method comprises the processes of emulsifying, chlorinating and neutralizing all units, wherein in the chlorination process, initiation reaction can be carried out by photo-initiation and thermal initiation through the adding of an initiator. The chlorination reaction of metallocene polypropylene is carried out in a hydrochloric acid medium, the reaction is similar to homogenizing reaction and has the properties of free radical reaction, and the metallocene polypropylene is dispersed and suspended in the acid-phase medium under the action of a dispersant, an emulsifier, agitating and shearing. As the disappearance of metallocene polypropylene crystal is caused by chlorination reaction, and the polarity of metallocene polypropylene macromolecules is increased by the introduction of chloride atoms at the same time, CmPP (Chloride Metallocene Polypropylene) prepared by the invention is easily dissolved in organic solvents, such as methylbenzene and xylene, and polypropylene chloride becomes a soluble material.

A method for designing a load shade of geostationary orbit large-aperture optical imaging satellite includes such steps as: analyzing whether that key part of the load is illuminate or not and analyzing the shielding effect under different incident angles of sunlight by treating the limited characteristic points of the edge of the shade and the inner shade of the load, and calculating the shadingeffect under different incident angles of sunlight. 2, establishing a satellite yaw angle optimization algorithm to obtain an optimal yaw angle; 3, according to that optimal yaw offset angle, the total width of the sunshade being minimized by a three-plate bending design, the requirements of solar protection of satellite load and envelope size of the whole satellite are finally met, and the totalmass of the sunshade is ensure to be minimized at the same time.

The invention discloses a packing box, which includes a box body and at least two cushioning devices that are symmetrically arranged in the box body. Each cushioning device includes a bottom plate, two long side lateral plates, two short side plates and at least two holding structures. The bottom takes the shape of a rectangle, the two long side lateral plates are respectively vertically connected with the two long sides of the bottom plate and the two short side lateral plates are respectively vertically connected with the two short sides of the bottom plate. The holding structure is arranged in an area formed by the bottom plate, the long side lateral plates and the short side lateral plates, each storage structure has a recess, and the recesses are connected with each other and form a holding space. In addition, the plates of the cushioning device are also exposed.