1067results about How to "Reduce the risk factor" patented technology

The invention discloses a method for evaluating lithium ion battery peak power online. The method comprises the following steps that influencing characteristic curves of the influence on lithium ion battery peak power by the charge state, Ohm internal resistance, temperature and sustainable time of a lithium ion battery are respectively built; all factors influencing the battery peak power are synthesized, and a battery peak power evaluation initial model is built; the battery peak power evaluation initial model is embedded into a vehicle-mounted terminal system, and the battery peak power evaluation initial model continues to be trained. The method has the advantages that the situations that due to the fact that the operation is not proper, and the battery is overcharged or overdischarged, the service life of the battery is shortened, and use cost is greatly increased are basically avoided through the method, the danger coefficient of the battery in the use process is lowered, and the reliability and stability of the operation of an electric vehicle are improved, and personal safety and equipment safety are guaranteed.

The invention discloses a method for detecting the safe power-line-cruising distance of a UAV (unmanned aerial vehicle), which comprises the following steps of: (1) carrying out analysis according to the characteristics of electromagnetic fields of to-be-detected high-tension transmission lines in different voltage levels, and establishing corresponding electromagnetic-field simulation calculation models; (2) determining the maximum errors of electronic devices (which are susceptible to electromagnetic interference) carried by the power-line-cruising UAV and measuring devices used in the process of route planning making before routing inspection; (3) according to the requirements of the determined electronic devices on electromagnetic fields in the process of normal operating, by using the electromagnetic-field simulation calculation models of the high-tension transmission lines in different voltage levels and electromagnetic-field simulation calculation software, calculating the similarities and differences of an electromagnetic environment when the UAV has different distances away from a transmission conductor in the process of carrying out line-cruising operation on each high-tension transmission line, thereby determining the range of the safe distance between the UAV and the transmission conductor; and (4) carrying out line-cruising by the UAV according to the determined safe distance of each to-be-detected transmission line, thereby avoiding the situations that the devices run disorderly, the flight communication is interfered, a flight mission is failed, and the like caused by the electromagnetic field of the transmission conductor, and then ensuring the safety, stability and reliability of a flight.

The invention discloses a construction technology of a steel sheet pile cofferdam for Yellow River Channel internal support table construction. A construction support table is an underwater support table arranged in a Yellow River Channel. The technology comprises the following steps of firstly, determining a structure and the size of a used cofferdam in the process of underwater support table construction; secondly, surveying and setting out; thirdly, constructing the cofferdam; fourthly, constructing a bored pile at the bottom of the support table; fifthly, constructing the support table: carrying out forming construction of the underwater support table on the top of the bored pile after construction when the bored pile construction is finished, and finishing integrative construction of the bored pile and the underwater support table; and sixthly, constructing a pier column at the upper part of the support table. The invention has the advantages of reasonable design, convenient construction and low construction cost, carrys out construction by adopting an integrative construction method of the support table and the bored pile and can efficiently solve the defects of long construction period, large investment, needs of setting up a plurality of construction platforms, large construction difficulty and the like in the successive construction process of the bored pile and the support table in the traditional construction process of the steel sheet pile cofferdam.

The invention relates to an unmanned aerial vehicle device for automatic water sampling and a sampling method. The unmanned aerial vehicle device comprises an unmanned aerial vehicle aircraft main body, an unmanned aerial vehicle supporting leg arranged on the side face of the unmanned aerial vehicle aircraft main body and an energy and control unit. The unmanned aerial vehicle device also comprises a mounting bracket arranged on the lower side of the unmanned aerial vehicle aircraft main body. An automatic water sampling unit is mounted on the mounting bracket. Driven by a stepping motor, a rotary guide shaft rotates to a position of a sampling bottle; and a water sample is imported into the sampling bottle successively through a sampling pump, a sampling hose and a groove flow guide mechanism. The unmanned aerial vehicle device provided by the invention can successively collect a plurality of sampling point water samples in a working period, so that synchronous analysis after the samples are returned is facilitated; furthermore, the sampling efficiency is increased, and the sample collecting quantity can be set flexibly according to the demand and the water sample collecting depth every time can be controlled flexibly, so that water samples in different regions or drainage basins are quickly and automatically collected.

The invention relates to a high-security desensitization method based on a big data information system. The method is characterized by comprising the first step of conducting preprocessing before conducting desensitization use on sensitive data; the second steps of using a compound layering type desensitization algorithm model to conduct encryption on the sensitive data; the third step of conducting source tracing and auditing after conducting desensitization use on the sensitive data. According to the high-security desensitization method based on the big data information system, the compound layering type desensitization algorithm is adopted as a core, and the method is used for realizing protection of the visited sensitive information under the situation that an information system is invaded illegally and authority is utilized to break loopholes of a traditional desensitization algorithm. The high-security desensitization method based on the big data information system has the advantages that on the one hand, the danger coefficient of the sensitive data is effectively reduced, the security of the sensitive data is sharply improved, the breaking difficulty coefficient is sharply increased, and desensitization protection of the sensitive data is realized; on the other hand, efficiency characteristics of each arithmetic unit in the desensitization model can be given full play through the model algorithm.

The invention relates to an unmanned ship device and sampling method for automatic sampling of the water quality. The unmanned ship device comprises an unmanned ship body, an energy and control unit arranged in a bin of the unmanned ship body, and an automatic water quality sampling unit. The automatic water quality sampling unit comprises a sampling bottle, a supporting body mechanism for installation of the sampling bottle, a sampling pump arranged on the outer side of the unmanned ship body, a sample hose connected with the sampling pump, and an oscillating arm water-fetching mechanism forcontrolling the sampling hose to rotate. The oscillating arm water-fetching mechanism comprises a hollow pipe nested on the outer side of the tail section of the sampling hose, and a first stepping motor connected with the end, close to the sampling pump, of the hollow pipe. By means of the unmanned ship device and sampling method for automatic sampling of the water quality, water quality samplesof multiple sampling sites can be collected sequentially in a working cycle, the samples can be analyzed synchronously after being sent back, the sampling efficiency is further improved, and water quality samples of different areas or watersheds can be conveniently, quickly and automatically collected.

The invention discloses a continuous pipeline tripping device, comprising a rotating drum retracting, laying and releasing system, a guided injection system, a traction system, and a hydraulic power system used for supplying power for the above systems. The rotating drum retracting, laying and releasing system comprises a rotating drum, a cable laying device and a guide rail, wherein the guide rail is fixed on an underpan of a vehicle system, the rotating drum is in a sliding connection with the guide rail through a rotating drum supporting seat, the cable laying device is fixed on one side of the rotating drum, the rotating drum is driven to move along the guide rail by the cable laying device, thereby realizing the arrangement of an oil pipeline on the rotating drum. The traction system comprises a double-arm crane and a flat track frictional transmission device. When the rotating drum rotates, the oil pipeline on the rotating drum passes through the flat track frictional transmission device and a guided injection head in sequence to enter into an oil well. According to the invention, a fast connection with the mouth of the well is guaranteed, the operational process of site construction is simplified, the damage of pipelines is prevented, and the success rate of construction is increased.

A helicopter rotor blade motion parameter measuring method based on binocular three-dimensional vision includes the steps: (1) utilizing two binocular three-dimensional vision systems to construct a helicopter rotor blade motion image obtaining device; (2) utilizing a standard calibration template to achieve calibration of each binocular three-dimensional vision system; (3) sticking a certain number of calibrating points on each blade of a helicopter; (4) on the base that blade calibrating points in a binocular three-dimensional vision left image and a binocular three-dimensional vision right image are matched with the calibrating points, utilizing camera inner parameters and camera outer parameters, calibrated well, of the binocular three-dimensional vision systems to achieve measurement of three-dimensional information of the calibrating points in blades; (5) utilizing the three-dimensional information, obtained in the step (4), of the calibrating points in the blades, conducting calculation according waving, shimmying, and torsion definitions of blade motion parameters, and obtaining the blade motion parameters of helicopter rotor blades. The helicopter rotor blade motion parameter measuring method based on the binocular three-dimensional vision has the advantages of being simple in operation, free of contact type, small in danger coefficient, high in precision and the like.

The invention discloses a method for preparing super-hydrophobic silica aerogel by atmospheric pressure drying. The method comprises the following steps: 1) preparing sol; 2) gelatinizing the sol; 3)aging gel; 4) exchanging a gel solvent; 5) carrying out surface hydrophobic modification; and 6) carrying out drying under atmospheric pressure. According to the preparation method of the silica aerogel, provided by the invention, tetraethoxysilane is used as a silicon source, ethanol is used as a solvent, acid and alkali are used as catalysts, and trimethylchlorosilane is used as a surface modifier, so that super-hydrophobic silica aerogel is prepared by atmospheric pressure drying. The prepared SiO2 aerogel with a super-hydrophobic three-dimensional network structure is tested to have a highspecific surface area, low density and good hydrophobicity at a room temperature. Therefore, the silica aerogel prepared through the method provided by the invention has excellent adsorption performance and has a good application prospect in the field of energy conservation. The preparation method of the silica aerogel under atmospheric pressure, provided by the invention, is simple in procedureand low in equipment requirements, can also shorten the process flow and reduce the cost, and is easy to industrialize.

The invention discloses a construction process of a double-wall steel cofferdam for construction of a pier bearing platform in main river water of the Yellow River. The construction process comprises the following steps of: 1, determining the structure and the size of a cylindrical double-wall steel sleeve box used in the construction of the bearing platform in the water; 2, measuring and paying off; 3, performing cofferdam construction: gradually lowering the cylindrical double-wall steel sleeve box to a preset position by adopting hoisting equipment, and fixing the bottom of the cylindrical double-wall steel sleeve box lowered in place by adopting a supporting fixer; 4, sealing the bottom; 5, constructing drilled piles at the bottom of the bearing platform; 6, gradually pumping water, performing underwater digging, and gradually cutting a steel protecting canister; 7, constructing the bearing platform; and 8, constructing pier columns on the upper part of the bearing platform. The process is reasonable in construction step design, convenient in construction, low in construction cost and short in construction period; and integrated construction of the bearing platform and the drilled piles is realized, meanwhile, the sinking operation of the double-wall steel sleeve box can be simply, conveniently and efficiently finished with high quality, and multiple defects in the construction of the conventional double-wall steel sleeve box cofferdam are overcome.

The invention discloses an automatic punching device and method for high-speed railway tunnel anchor implantation and solves problem that health of construction staff is damaged, punching accuracy is poor in anchor implantation, construction efficiency is low and security of the construction staff cannot be guaranteed in existing tunnel anchor implantation. Each of the front end and the rear end of a hydraulic life truck is provided with a support leg, each support leg is provided with a support ball head and a winch, each of the front end face and the rear end face of a lift platform is provided with a hydraulic telescopic rod, each of the upper and lower ends of a frame-type housing is provided with a horizontal chute, a fixing pillar is vertically arranged in the two horizontal chutes, a horizontal servo motor and vertical chutes are arranged in the fixing pillar, each of the vertical chutes is provided with an electric hammer, vertical servo motors are arranged under the electric hammers, a gravity sensor and a laser range finder are arranged at the lower end of the frame-type shell, and a radar range instrument is arranged at the upper end of the frame-type shell. By the arrangement, working accuracy is greatly improved, and danger coefficient in construction is reduced.

The invention discloses a method for processing waste gas from the production of viscose chemical fiber, which relates to the field of the waste gas processing method. Currently, two methods employed to process the waste gas from the production of viscose chemical fiber are as follows: one is a combustion method and the other is an adsorption method, wherein the combustion method has the advantage that the wastes gas is processed more thoroughly and the defects that the investment is large and economic benefit is poor; the adsorption method has advantages of relatively small investment and obvious economic benefit, not only solves the environmental problems, but also brings objective economic benefit to enterprises. The waste gas from the production of viscose chemical fiber is successively washed by NaOH or Na2S, cooled, adsorbed by active carbon, desorbed and condensed to remove H2S in the waste gas and recover CS2 for production. The invention has the advantages of safety, low cost and high recovery efficiency.

The invention relates to removing apparatus, and particularly relates to waterweed removing apparatus for water conservancy projects. The technical problem to be solved by the invention is to providewaterweed removing apparatus with fast weeding speed and low risk factor for water conservancy projects. The invention provides the waterweed removing apparatus for water conservancy projects. The apparatus comprises a first slide rail, a first slide block, a lifting plate, a first motor, a screw rod, a support frame, a mounting plate, a second motor, a first gear and the like; the first slide rail is arranged at the left side of the top of the ship body; the first slide block is slidably connected on the first slide rail; the lifting plate is connected with the right side of the first slide block; a threaded hole is formed in the left part of the lifting plate; and the first motor is arranged at the left side of the top of the ship body. The apparatus provided by the invention achieves the effect of fast weeding speed and low risk factor. The apparatus pulls waterweeds upwards for a person to take down the waterweeds, so that the possibility that the person falls into water while removing the waterweeds can be reduced, a cutting device can more quickly and better remove the waterweeds, and meanwhile, the work of a user is facilitated.

The embodiment of the invention discloses a vehicle control method, device and equipment and a storage medium. The vehicle control method comprises the steps of obtaining first current geographical location information, searching a weather server, obtaining first real-time weather corresponding to the first current geographical location information, and if it is determined that the first real-time weather meets the abnormal weather condition, controlling a vehicle machine end connected with a vehicle to carry out vehicle control operation corresponding to the abnormal weather condition. By means of the vehicle control method, the problem that novice drivers have no idea of when and how to control vehicles under abnormal weather conditions is solved, and the danger coefficient of driving is effectively reduced.

The invention discloses a full-automatic greasing and capping machine, relating to a device for adding grease and a dust cap to a bearing. A workbench is fixed on a machine frame; a mounting base is fixed on the workbench; the front part of the mounting base is provided with a material support plate; the upper part of the mounting base is provided with a control device; the left side of the workbench is provided with a material conveyor, and the right side of the workbench is provided with an unacceptable product removing device; according to the processing sequence, two greasing devices, a grease quantity detection device, two capping devices, a dust cap height detection device and a grease equalizer are sequentially arranged on the mounting base from left to right; turning devices are respectively arranged between the two greasing devices and between the two capping devices; and a front reciprocating device and a rear reciprocating device are respectively arranged below the workbench. The full-automatic greasing and capping machine disclosed by the invention integrates the stations and the mounting base into a whole, is high in positioning accuracy and facilitates debugging and installation of a fixture mold; and the total seal shell is convenient for cleaning and maintenance, thus, the invention has the advantages of strong dustproof capacity, low danger coefficient, low failure rate and high product qualification rate.

The invention provides a preparation method for 5-acetoacetlamino benzimdazolone. The method comprises the following step of enabling 5-aminobenzimidazolone, diketene, alcohol and water to react in the presence of an acid catalyst to obtain the 5-acetoacetlamino benzimdazolone, wherein the alcohol is one or more of methanol, ethanol and propanol. According to the preparation method, the reaction temperature of an acetylation process in a production process of the 5-acetoacetlamino benzimdazolone is lowered, so that requirements on equipment are lowered, the danger coefficient during actual production is also lowered, reaction conditions are mild, and the method is easy to operate.

The present invention discloses process and apparatus for producing bottle cap with pull ring and tear-off. The production process includes the following steps: printing on wide sheet; feeding to a numerically controlled punch with one numerically feeder, punching hole and forming; hemming and bending ears in a turntable ring squeezer to form the cap with pull ring and tear-off; conveying in a conveying belt to a glue dripping machine and dripping glue; and conveying in a conveying belt to drying apparatus and drying to obtain the product. The semi-automatic production process has high safety, high production efficiency, high material utilizing rate and saving in labor.

The invention relates to the field of power system safety equipment, in particular to an anti-falling device based on unmanned aerial vehicle hanging, and a hanging method thereof. The anti-falling device comprises an anti-falling component of which the top end is connected with an unmanned aerial vehicle removably, and the bottom end of the anti-falling component is provided with a fixed pulley used for hanging a safety rope; the anti-falling component is further provided with a clamping space which is such structured that the clamping space is provided with a gap fit with a tower cross bar and / or a support bar on a tower, and accordingly the anti-falling component can be hung on the tower cross bar and / or the support bar on the tower through movement of the unmanned aerial vehicle; operation personnel do not need to climb the tower for installing and removing the anti-falling component, and the operation personnel climb the tower and descend from the tower under the protection of thesafety rope on the anti-falling device, and are prevented from falling down; and the danger coefficient for climbing the tower for maintenance and repair of power transmission lines is reduced. The anti-falling device is simple in structure, and the hanging method is simple and easy to operate, and convenient to promote and apply to maintenance and repair of all power transmission lines.

The invention discloses a sensing type movement assisting bed. The sensing type movement assisting bed comprises an information acquiring system and a movement assisting system, wherein the information acquiring system is used for acquiring movement information of a user; and the movement assisting system assists in the user to finish actions according to user action information acquired by the information acquiring system. The sensing type movement assisting bed has the beneficial effects that pressure change caused by autonomic activities of the movement assisting bed user is sensed by a pressure sensor on a supporting device, and a movement assisting system is triggered to finish actions in an assisting manner; autonomic activities of muscles are encouraged, and the muscles are exercised effectively; according to human body behavior identification, the patient can be assisted to finish various actions, pressure is automatically adjusted and supported, and the comfortable degree of the human body and functional positions are maintained; the supporting device on the outer side of a pressed portion is higher than the plane of the body of the user to limit movement of the body of the patient, and the user is prevented from falling to the ground; a certain gap is maintained between pressed bottoms of the supporting device and a rectangular component so as to facilitate air circulation, moist of the pressed portion is avoided, and dangerous factors of pressure sores are relieved; and load of medical workers is relieved.

The invention discloses a high-altitude working platform for line construction. The high-altitude working platform comprises a supporting framework and a vertical hoisting platform mounted on the supporting framework, wherein a first platform plate, a clamping rod and a high-altitude working vehicle are arranged at the top of the vertical hoisting platform; the high-altitude working vehicle is detachably connected with a vertical hoisting platform through the clamping rod; a lead wire suspension wheel is arranged at the top of a frame; an anti-releasing mechanism is arranged under the lead wire suspension wheel; a second platform plate and a supporting plate are arranged under the first platform plate; the supporting plate is provided with a traction device and a traction frame; the second platform plate is provided with a strip-shaped opening; a traction wire winds around a guide wheel and a groove wheel and penetrates through the strip-shaped opening to be connected with a lead wire; and the second platform plate is used for supporting a second vertical rod of the first platform plate, and the second vertical rod is provided with a retractable ladder. The high-altitude working platform for the line construction has the beneficial effects that the high-altitude working platform can replace manual traction, the labor intensity of constructors is reduced, the safety of the high-altitude working vehicle is high, the construction time is shortened and the working efficiency is improved.

The invention relates to the technical field of environment protection science and technology, in particular to an environment-friendly type LED lamp holder convenient to fix and stable in power supply. The environment-friendly type LED lamp holder convenient to fix and stable in power supply comprises a lamp holder. A first spring is fixedly connected with the inner top wall of the lamp holder. The bottom of the first spring is fixedly connected with an electric conduction post. The inner walls of the two sides of the lamp holder are fixedly connected with electromagnetic devices. The two sides of the lamp holder are both fixedly connected with second springs close to the inner sides of the electromagnetic devices. According to the environment-friendly type LED lamp holder convenient to fix and stable in power supply, by means of cooperative use of a suspension groove and a chuck, a lamp is directly inserted into the bottom of the lamp holder in installation, since suspension is in the liquid state when not electrified, the chuck of the lamp can squeeze a rubber sleeve towards the two sides, the lamp is clamped into the lamp holder, and the top of the lamp is electrically connected with the electric conduction post; meanwhile, since the chuck is larger than the inner diameter of the rubber sleeve, the lamp can be prevented from falling, and the convenient installation effect is achieved; and the environment-friendly type LED lamp holder convenient to fix and stable in power supply simplifies the installation step and lowers danger coefficient of installation.

The invention discloses a hydraulic support withdrawing system and method and belongs to the technical field of hydraulic supports. The hydraulic support withdrawing system comprises at least two shield supports and a withdrawing platform. A moving beam is arranged between the shield supports and the withdrawing platform. The two sides of the moving beam are fixedly connected with a moving jack at the bottoms of the shield supports and one end of the withdrawing platform respectively. The shield supports are arranged on one side of the moving beam in parallel, and one shield support is located on the side of a hydraulic support to be withdrawn. Each shield support comprises a base and a net pushing device. The withdrawing system is high in safety coefficient, and labor is saved.

The invention discloses a vehicle-borne dwarf closely-planted jujube trimmer which comprises a bearing vehicle and a jujube trimming device which is installed on the bearing vehicle; and the jujube trimming device comprises a rotary base which is horizontally installed in front of the base of the bearing vehicle and can horizontally rotate, a mechanical arm which is installed on the rotary base and can stretch back and forth and move up and down, a cutter mounting rack which is installed at the front end part of the mechanical arm in a hinge manner, a cutter which continuously rotates under the drive of a cutter drive mechanism, a base drive device which drives the rotary base and a mechanical arm drive device which drives the mechanical arm, and the cutter drive mechanism, the base drive device, the mechanical arm drive device and a cutter mounting rack drive mechanism are all controlled by a control system. The vehicle-borne dwarf closely-planted jujube trimmer has the advantages of simple structure, convenience in operation, high operation efficiency, good use effect and high practicable value, and can be used for overcoming the problems that the existing jujube trimming device is not convenient to use and operate, is labor-wasting and time-wasting, has low automation degree and the like.

The invention relates to the technical field of hydraulic test equipment, in particular to a multifunctional hydraulic comprehensive test bench, comprising a platen. A groove is formed on the upper surface of the platen. A first bearing is though provided on the middle of each of the two sides of the inner wall of the groove. An adjusting rod is rotationally provided between the two first bearings. A pressure sensor is fixedly mounted at each of the four corners of the upper surface of the movable plate. A supporting plate is fixedly mounted on each of the two ends of one side of the upper surface of the platen. A top cover is fixedly mounted on the upper end of each of the supporting plates. A hydraulic push rod is fixedly mounted at the middle of the lower surface of the top cover. A pressing plate is fixedly mounted at the lower end of the hydraulic push rod. Four positioning mechanisms are fixedly mounted on one side of the upper surface of the platen. A placing plate is fixedly mounted among the four positioning mechanisms. A mounting groove is formed on the upper portion of one side of the fixed block. A second sliding groove is fixedly mounted on each of the two sides of theinner wall of the mounting groove. According to the multifunctional hydraulic comprehensive test bench, a test piece can be fixed and adjusted, the operation is simple, the use is convenient and thepracticability is high.

The invention provides a preparation method for a whisker carbon nanotube-reinforced aluminum matrix composite coated with aluminum oxide. The preparation method comprises the steps that a whisker carbon nanotube coated with aluminum oxide is prepared firstly, then aluminum alloy powder is guided into turbid liquid of the whisker carbon nanotube coated with the aluminum oxide, so that a mixture is obtained, the mixture is dried in a vacuum mode at the temperature of 50-100 DEG C and then guided into a ball-milling crucible so as to be ball-milled under argon protection; the mixture is cold-pressed into a prefabricated block under the pressure of 60-150 MPa; the prefabricated block is placed in a die, the die is heated at the heating rate of 5-10 DEG C / min till the temperature of the die is 10-20 DEG C below the solid phase line, then the die continues to be heated at the heating rate of 1-5 DEG C / min and the solid phase rate of the die is controlled to 70%-90%, and thus the multi-wall carbon nanotube-reinforced aluminum matrix composite coated with pure copper is obtained. The preparation method has the advantages of being simple, safe, low in cost, easy to operate, controllable and the like.

The invention discloses a shell explosion point positioning system and positioning method. The positioning system comprises a receiver unit, an environment parameter collecting unit, a central processing unit and a wireless communication unit. The receiver unit comprises four receivers distributed in a four-point isometric array mode, the receivers and the environment parameter collecting unit are connected to the central processing unit, and the central processing unit is connected to an upper computer unit through the wireless communication unit. The four-point isometric array receiver unit is adopted to collect subsonic signals of shell explosion, the subsonic signals are subjected to preprocessing to be converted into digital signals, and time identification is endowed to each fragment of digital sonic signals. Signal waveform converting and interference and noise removing are finished, the time difference existing when shell explosion sound waves are transmitted to the receivers is extracted, the coordinates of the shell explosion point are worked out according to a mathematical model, and the specific position of shell explosion is positioned. By means of the shell explosion point positioning system and the positioning method, safety of human operation can be improved, the danger coefficient can be reduced, and the operation effect can be improved.

The invention provides stainless steel washed white solution, which uses water as solvent, every one liter of the solution comprises 4-10 percent of nitric acid, 10-40g phosphoric acid, 2.5g boric acid, 5-30g acetic acid, 10-30g ammonium sulfate, 10-30g trisodium phosphate and 15-35g ammonium bifluoride. The method of using the stainless steel washed white solution to do the washed white process of the surface of stainless steel has the technological processes of pretreatment, degreasing, pickling, washing white, washing and baking, wherein after the stainless steel which is needed to be washed white is pretreated, degreased and pickled, the stainless steel which is pickled is put into the stainless steel washed white solution for 10-35 minutes in 55-85 DEG C, at last through washing and baking, the surface of the stainless steel is formed with an uniform silvery film layer which has a sand surface effect.

The invention discloses an emergency control method with failure of an anemorumbometer of a wind generating set. The emergency control method comprises the following steps of: (1), taking all units in a wind field as a centre, and forming a small network through an SCADA (Supervisory Control and Data Acquisition) system of the wind field and three units closest to the position of the SCADA system; (2), when the units are operated normally, feeding collected wind speed and wind direction signals back to a central controller through the SCADA system, and displaying various real-time information in real time; (3), when the anemorumbometer of the units is failed, reporting to the central controller at first, carrying out heterochromous display at an obvious position by the central controller, and giving an alarm to monitoring personnel; and (4), meanwhile, starting emergency control programs at corresponding functional positions in a fan control program, applying for reading wind speed / direction information from the SCADA system by a fan controller, if application is not successful, stopping; if the application is passed, sending instructions to the units according to data read in the SCADA system, and maintaining operation of the units till maintainers maintain a fan to exclude faults.

The invention discloses a reinforced concrete structure reverse dismounting temporary supporting conversion device and an operation method thereof, and belongs to the technical field of building reverse dismounting. The device comprises jacks, bearing plates, short post connecting elements, supporting short posts and L-shaped steel, wherein the jacks, the bearing plates, the support short posts and the L-shaped steels form temporary support structures; a pair of temporary support structures are arranged at the two sides of a structure post; the vertical bearing force transmitted by the structure post is replaced; the bearing capability of the reinforced concrete structure post and a structural beam is sufficiently used, so that the vertical load is transmitted onto the temporary support structures through the structural beam; the bearing force is reasonably converted; and the safety in the reverse dismounting process is ensured. The support short posts are mainly used for bearing the vertical load; the support short posts are detachably spliced and can be repeatedly used; and a part of dismounting cost is reduced. The bearing plates are used for uniformly converting the vertical support force and ensuring the vertical support effects. Through the vertical direct conversion of the force, the stress is direct and safe.

A medical biological clamping box for hair connecting is characterized by comprising a box cap (901), a box bottom (902), a biological clamping and pushing head (903), a push piece reset spring (904), a reciprocating push piece (905), a box cover (906), and a box body formed by buckling the box bottom (902) and the box cover (906), one end of the box body is provided with biological blood vessel clamps (5), the outlet end of the box body is sleeved with the box cap (901) so that the biological blood vessel clamps (5) can be guided between an upper jaw and a lower jaw, the last biological blood vessel clamp (5), away from the outlet end, in the box body abuts against one end of the biological clamping and pushing head (903), the other end of the biological clamping and pushing head (903) is provided with ratchet teeth which abut against pushing teeth on the reciprocating push piece (905), the force exerting end of the reciprocating push piece (905) extends out of the box body to abut against a push rod (4), one end of the push piece reset spring (904) abuts against the reciprocating push piece (905), and the other end of the push piece reset spring (904) abuts against a boss in the box body. The medical biological clamping box is simple in structure, safe and reliable.