38results about How to "High risk factor" patented technology

The embodiment of the invention provides a user behavior check method and device. The method comprises the steps of determining detected abnormal behaviors as risk coefficients with different levels; carrying out corresponding verification according to the risk coefficients of the abnormal behaviors; when the risk coefficients of the abnormal behaviors are greater than a preset risk coefficient threshold, employing a verification method with relatively high security; generating verification codes through utilization of user behavior logs; and carrying out security verification on user identities through utilization of the verification codes. According to the embodiment of the invention, the verification codes are obtained in association with the user behavior logs, so the verification codes can be dynamically changed according to the changes of the user behavior logs and are not liable to be broken by a network hacker, a user identity verification security coefficient is guaranteed to be relatively high, and the method and the device are relatively reliable and are simple in operation and high in user experience.

The invention discloses a tunnel positioning system and a tunnel positioning method based on ZigBee. The system comprises positioning nodes arranged on tunnel constructors and construction vehicles, and reference nodes arranged in the tunnel for collecting the information of the positioning nodes, wherein the output ends of the reference nodes are connected with a ZigBee gateway base station, and the output end of the ZigBee gateway base station is connected with a monitoring center via a signal conversion module. According to tunnel positioning system and method based on ZigBee, the constructors in the tunnel can be comprehensively, timely and accurately positioned, thus the security of the constructors can be ensured.

The invention discloses a preparation method of a polymer electrolyte taking cellulose as an additive, and relates to a preparation method of a polymer electrolyte membrane of a lithium-ion battery. Aliquid electrolyte is not used such that the use safety of a battery is improved. The preparation method comprises the following steps: 1, treating a material before use; 2, dissolving polyvinylidenefluoride and hydroxypropyl methyl cellulose into N, N-dimethylformamide fibers to prepare a cellulose solution; 3, preparing a membrane casting solution of the electrolyte by a blending method; and 4, casting the membrane casting solution into a membrane to prepare the polymer electrolyte. The polymer electrolyte is prepared by using a blending method and a casting method, and the method is simple to operate, easy to prepare, high in safety and high in controllability. The method is applied to the field of lithium-ion batteries.

The invention discloses a method for preparing p-phenylenediamine. A reduction reaction is carried out on paranitroaniline with hydrogen in the presence of a catalyst. According to the preparation method, the temperature, pressure and reaction time in the reduction reaction are controlled, and the conversion rate of p-phenylenediamine is controlled. According to the method, a hydrogenation reduction production mode is adopted, environment-friendly production is achieved, pollution is low, the conversion rate of paranitroaniline is increased, and high-purity p-phenylenediamine is obtained.

The present invention provides methods for treating chronic obstructive pulmonary disease. In some embodiments of the invention, methods for treating COPD comprise administering PGI2 or a prostacyclin analog to a subject in need of such treatment.

The present invention provides a method for preventing or reducing the risk of cancer or the progression of premalignant dysplasia in a subject having a higher risk factor by administering a therapeutically effective amount of prostacyclin analog.

The invention discloses a human face welcome hybrid system and a working method thereof. The system comprises a capture machine and a camera mounted on a door body, an embedded ARM platform, a background server and a smart access control system; the capture machine and the camera are used for capturing video images of a monitoring area in different time periods and uploading the video images to the embedded ARM platform; the embedded ARM platform is used for receiving the video images uploaded by the capture machine and the camera, and sending the received video image to the background server;the background server receives the video images and compares the video images with a face image in the system; when a confirmer is a registered user, the smart access control system is turned on, andwhen the confirmer is not the registered user, automatic storage is performed; the smart access control system is used for turning an automatic door on or off. The invention provides a human face welcome hybrid system, which adopts a daytime-nighttime hybrid door opening mode, thereby greatly saving the passing time, ensuring the safety and improving the passing efficiency.

The invention discloses a steam generation system based on SOEC and a control method thereof. The steam generation system based on SOEC comprises a water storage tank, a magnetic pump, a pressure-proof water tank, a liquid mass flowmeter and a steam generator; the water storage tank, magnetic pump, the pressure-proof water tank, the liquid mass flowmeter and the steam generator are connected in sequence through pipelines; a steam outlet of the steam generator is connected with a steam transmission pipeline, the generated steam is sent to a subsequent steam consuming unit; an electromagnetic regulating valve a for regulating the flow rate is arranged between the magnetic pump and the pressure-proof water tank; a coupling solenoid valve for regulating the flow rate is arranged between the liquid mass flowmeter and the steam generator; the steam transmission pipeline is separately connected with the steam consuming unit and an emptying pipeline, and a connection point is separately provided with a shut-off valve A and a shut-off valve B for pipeline opening and closing

The invention discloses a device and a method for replacing a vault galvanic couple. The device comprises: a support body for supporting whole device, the support body comprises a base and a verticalrod piece, a horizontal rod is arranged at the top end of the rod piece, fixed pulleys are arranged at the two ends of the horizontal rod, a hand disc is arranged on the lower portion of the rod piece, a rope is wound on the hand disc, the end of the rope sequentially passes through the fixed pulleys and then is connected with a lifting appliance to naturally droop, the lifting appliance is of anannular structure, and a thermocouple is hung on the lifting appliance in a hanging mode; a length detection device which is used for detecting the moving distance of the rope; and a length display device which is used for displaying the data detected by the length detection device. The device and the method for replacing the vault galvanic couple are simple to use and convenient to operate, and the thermocouple is convenient to replace.

The invention discloses a no-load tramcar weighing feedback supervision system based on a static track, relates to the technical field of weighing feedback supervision, and solves the technical problem that the weighing of a tramcar cannot be predicted and supervised in the prior art. By predicting and supervising the weighing of the tramcar, the situations that accidents of the tramcar occur in the loading process; the phenomenon that the tramcar is overloaded or insufficient in tonnage occurs, so that the loading efficiency is reduced, and the transportation progress is influenced, are prevented; a sliding track corresponding to the loaded tramcar is detected, and whether the track is matched with the tramcar or not is judged, so that risks of the tramcar in the loading process are reduced, and the situation that the loading efficiency is reduced due to the unstable standing of the tramcar is prevented; whether the environment temperature influences a weighing zero point or not is judged, and the situations that the weighing zero point is abnormal, so that the weighing efficiency is reduced, the loading weight of the tramcar is influenced, the tramcar is overloaded or insufficient in tonnage, the transportation efficiency is reduced, and meanwhile a transportation danger coefficient is increased, are avoided.

The invention discloses a lifting type elevator shaft operation platform using a triangular supporting frame and a screw opposite-pulling system. The lifting type elevator shaft operation platform comprises a platform, a plurality of triangular supporting frames are arranged below the platform, and the triangular supporting frames are uniformly distributed on two sides of the platform; the triangular supporting frames are fixedly connected to a concrete wall in an elevator shaft through wall penetrating bolts, a plurality of split bolts are arranged on the two opposite vertical faces of the concrete wall correspondingly, the split bolts are located under the triangular supporting frames and horizontally fixed into the concrete wall, the two ends of the split bolt extend outwards correspondingly to form a limiting structure of the triangular supporting frame, and lifting pull rings are arranged on the edges of the two sides of the upper portion of the platform correspondingly and fixed to the platform in a welded mode. By means of the triangular supporting frame and the screw opposite-pulling system, operation is easy and convenient, safety, high efficiency, flexibility and convenience are achieved, portability of the operation platform is guaranteed, input of materials is reduced, the turnover rate of the operation platform is increased, and the application range is widened.

The invention discloses a synthesis method of vismodegib. The method comprises the following reactions: firstly, enabling 2-chloro-5-nitrophenyl boronic acid and 2-bromopyridine to make a coupled reaction to generate an intermediate 2-(2-chloro-5-nitro) phenylpyridine; reducing nitro in the 2-(2-chloro-5-nitro) phenylpyridine to amino so as to obtain 2-(2-chloro-5-amino) phenylpyridine; finally, enabling the 2-(2-chloro-5-amino) phenylpyridine and 2-chloro-4-methyl sulfuryl benzaldehyde to make a catalytic reaction to generate the vismodegib. The synthesis method is low in price of raw materials, easy in raw material obtaining, simple and convenient to operate and less in consumption of a catalyst; the reaction product is high in yield, reaction conditions are mild, and aftertreatment is simple in technology and mainly adopts column separation, so that industrial mass production can be realized.

The present invention relates to the technical field of product security, and in particular, relates to an anti-counterfeit method and system. The method comprises: S1: a mobile intelligent terminal reads an anti-counterfeit code and sends to an anti-counterfeit verification server the anti-counterfeit code and an identification number corresponding to the mobile intelligent terminal; S2: the anti-counterfeit verification server determines whether a received anti-counterfeit code is valid, if so, then executes Step S3, if not, then returns information indicating that the anti-counterfeit code is invalid; S3: the anti-counterfeit verification server determines through a received terminal identification number, if the terminal is a current owner of the anti-counterfeit code or a trial user having a checkable count of the anti-counterfeit code, if so, then returns information indicating that a product is authentic, if not, then returns information of the terminal being without an anti-counterfeit authority. Since embodiments of the present invention are based on a highly popular mobile phone terminal, a user can easily operate an anti-counterfeit system, and completes an anti-counterfeit query process, resulting in a low cost and simple verification.

The embodiment of the invention discloses a driving operation control method based on big data and a vehicle networking system. The method comprises the following steps: a server receives driving information sent by each second vehicle, wherein each driving information records a driving operation performed by the second vehicle in an emergency situation and a safety condition after the driving operation is performed; The server determines a dangerous driving operation and a safe driving operation in an emergency situation according to the received driving information, the server sends the first indication information to the first vehicle, The first indication information is used to indicate the following information: As that first vehicle encounter an emergency situation, If the first vehicle detects that the driver controls the first vehicle to perform a dangerous driving operation, the first vehicle does not perform a dangerous driving operation but performs a target driving operation, wherein the target driving operation is a safe driving operation that is performed the most times recorded in all driving information transmitted by each second vehicle. the embodiment of the invention is adopted so that driving safety can be improved.

The invention discloses a device for cleaning branch obstacles for distribution network lines. The device comprises an operation base, a control module arranged on the operation base and a cleaning mechanism which is arranged on the operation base and is connected with the operation module, wherein the operation base comprises a strap, a manipulator arranged on one side of the strap, a ratchet wheel module arranged on the strap, a supporting leg arranged at the lower part of the strap, a rectangular accommodating cavity formed under a supporting arm and a flexible protective cover which is arranged inside the rectangular accommodating cavity in a rotating manner and can be unfolded symmetrically. According to the device, an operator is in a position for global controlling by adopting a strap-type structure mode, radial and axial rotations can be acquired by the supporting effect of a tripod, lifting of the supporting arm is controlled by the effect of the ratchet wheel, the working arm can be smoothly pressed down by the effect of an electric telescopic rod, and to-be-trimmed branches are sawed off after the effect of an elastic receding ring is overcome. The device is simple in structure and easy and convenient to operate, and is worthy of application and popularization.

The invention discloses a synthesis method of vismodegib. The method comprises the following reactions: firstly, enabling 2-chloro-5-nitrophenyl boronic acid and 2-bromopyridine to make a coupled reaction to generate an intermediate 2-(2-chloro-5-nitro) phenylpyridine; reducing nitro in the 2-(2-chloro-5-nitro) phenylpyridine to amino so as to obtain 2-(2-chloro-5-amino) phenylpyridine; finally, enabling the 2-(2-chloro-5-amino) phenylpyridine and 2-chloro-4-methyl sulfuryl benzaldehyde to make a catalytic reaction to generate the vismodegib. The synthesis method is low in price of raw materials, easy in raw material obtaining, simple and convenient to operate and less in consumption of a catalyst; the reaction product is high in yield, reaction conditions are mild, and aftertreatment is simple in technology and mainly adopts column separation, so that industrial mass production can be realized.

The invention discloses a production method for carbon microspheres and a used device thereof, belonging to the technical field of carbon microsphere production. The production method comprises the following steps: subjecting raw-material liquid modified asphalt from a tar workshop section to uniform mixing under stirring, then carrying out heating and pressurizing in a closed space in a constant speed, starting natural cooling and depressurizing, then mixing the liquid modified asphalt and lightweight wash oil so as to form a mixed material, subjecting the mixed material to separation through a centrifuge, and during operation of the centrifuge, allowing mixed oil to be separated from the lower part of the centrifuge; and allowing a carbon microsphere raw material to be separated from the interior of the centrifuge, and subjecting the separated carbon microsphere raw material to drying treatment so as to produce the carbon microspheres. The device provided by the invention comprises a sedimentation tank, wherein two reaction vessels are arranged above the sedimentation tank; each reaction vessel is correspondingly arranged on a weighing measuring unit used for weighing the reaction vessels; the bottom part of each reaction vessel is provided with a pipeline communicating with the sedimentation tank; and each pipeline is provided with a valve. The device provided by the invention has the characteristics of low production cost, high production efficiency, high product quality, safety, environmental protection, etc.

The invention discloses a static rail-based weighing feedback supervision system for empty mining vehicles, relates to the technical field of weighing feedback supervision, and solves the technical problem that the weighing of mining vehicles cannot be predicted and supervised in the prior art. Weighing is used for forecasting and supervision to prevent accidents during the loading process of mine cars, such as overloading or loss of tons of mine cars, which will reduce loading efficiency and affect the progress of transportation; detect the sliding track corresponding to the loaded mine car to determine whether the track is in line with the mine Vehicle adaptation, reduce the risk of mining vehicles in the loading process, prevent the mining vehicles from standing still and cause the loading efficiency to decrease; determine whether the ambient temperature has an impact on the zero point of weighing, and prevent the abnormal zero point of weighing from reducing the weighing efficiency, thereby affecting The loading weight of the mine cart will cause the mine cart to be overloaded or lose tons, which reduces the transportation efficiency and increases the risk factor of transportation.

The invention discloses a synthetic method for the hormone intermediate androsten-17alpha-methyl-17beta-ol-3-one. The synthetic method comprises the following steps: adding androsten-17-alpha-methyl-2beta,3beta,17beta-triol-4-amine and a diphenyl ether solution into a reaction vessel, controlling solution temperature and a stirring speed, adding a potassium nitrate solution and continuing a reaction; and adding a propyl valerate solution, raising solution temperature, adding tetrakis(phosphorus trichloride)nickel powder in batches, continuing the reaction, carrying out washing with a cyclohexane solution, then carrying out washing with a sodium bromide solution, then carrying out washing with a methyl propyl ether solution, carrying out recrystallization in a cyclopentanol solution, and then carrying out dehydration with a dehydrating agent so as to obtain the finished androsten-17alpha-methyl-17beta-ol-3-one.

The invention discloses a synthetic method for the drug 2-(4-isobutylphenyl)propionic acid. The synthetic method comprises the following steps: adding 2-(4-isobutylphenyl)propanol and a biphenyl solution into a reaction container, increasing the temperature of the solution, adding an aqueous solution, then carrying out a reaction, then adding potassium peroxodisulfate and continuing the reaction;and adding tetrabutoxyzirconium powder in batches, then adding a potassium sulfate solution, carrying out heating, controlling the speed of stirring, carrying out a reaction, carrying out cooling, adding a potassium chloride solution, subjecting the solution to layering so as to separate an oil layer, adjusting a pH value with a formic acid solution, carrying out washing with a hexyl ether solution, then carrying out recrystallization in a 2-ethylbutanol solution, and carrying out dehydration with a dehydrating agent so as to obtain finished 2-(4-isobutylphenyl)propionic acid.

A cryoablation device comprises a freezing balloon, a catheter, a storage tank, a delivery pipeline, a recovery pipeline, and a freezing element. Within the freezing balloon circulates a freezing substance, such as a low pressure liquid or gas or a gas-liquid mixture. A cryoablation method comprises the following four steps: pre-freezing, ablation, recovery, and rewarming. Advantages of the cryoablation device and method provided herein: low risk factor, easy to operate, convenient to use, exhibits high freezing efficiency, and temperature control accuracy.

The invention discloses a scenic area intelligent tour guide scooter and a use method thereof. The scenic area intelligent tour guide scooter comprises a scooter main body, wherein wheels are installed at the bottom of the front side and the bottom of the back side of the scooter main body, a limiting plate is arranged in an inner cavity of the scooter main body, a regulation rod is fixedly connected with the top of the limiting plate, the top of the regulation rod penetrates to the top of the scooter main body and is fixedly connected with a cushion, and a cross bar is fixedly connected withthe bottom of the right side of the scooter main body. According to the scenic area intelligent tour guide scooter, a clamping rod is vertically inserted into a vertical plate and a through groove ina run-through mode, the clamping rod drives a cylinder to move, the cylinder drives a limiting sliding rod to slide in a limiting sliding chute, movement of the cylinder enables a spring to deform, then the clamping rod is rotated, the clamping rod drives a rotation cylinder to rotate in a rotation hole until the clamping rod fixes the vertical plate in a transverse state, the advantage of storingarticles is achieved, and the problem that an existing scenic area intelligent tour guide scooter does not have an article storage function when used is solved.

The invention relates to a corrugated board automatic production line conveying deviation rectifying system which comprises a bottom rack, a conveying mechanism, a deviation rectifying mechanism and a collecting frame and can solve the following problems existing in the automatic production process of corrugated boards: a, in the conveying process of the corrugated boards on the automatic production line, corrugated boards are thrown on a conveying device to be conveyed manually or through existing equipment, the corrugated boards are placed disorderly in the throwing process, consequently, the corrugated boards are placed irregularly, and the follow-up corrugated board collecting effect is affected, and b, the corrugated boards generally need to be collected after being conveyed, in the traditional corrugated board collection process, manual collection is adopted, the collection efficiency is low, in the falling process of the corrugated boards, workers are possibly injured by the corrugated boards due to falling when the corrugated boards are collected by the workers, and the danger coefficient is high.

The invention relates to the field of natural drugs and chemical drugs, in particular to a manufacturing method for deoxypodophyllotoxin. The manufacturing method provided by the invention has the characteristics that the deoxypodophyllotoxin can be obtained through the reaction of podophyllotoxin with NaBH4 and CF3COOH, namely, podophylotoxin is reduced to deoxypodophyllotoxin by addition of with a reducing reagent and protonic acid. According to the invention, the applied materials have wide source and low price, so that the manufacturing method is applicable in industrial production.

The invention relates to a steel structure profile connecting member. The connecting member comprises a No.1 butt jointing device and a No.2 butt jointing device which are connected through retainingthreaded straight bars, a push rod mechanism is mounted on the front side of the lower end of the No.1 butt jointing device, a clamping mechanism is mounted on the back side of the lower end of the No.2 butt jointing device, and the structures of the No.1 butt jointing device and the No.2 butt jointing device are the same. The jointing member can solve the following problems during connection of existing steel channels: 1, welding is required at connection positions during connection of traditional steel channels, smoke produced during welding affects physical health of workers, and steel structure profiles after welding are troublesome to dismount; and 2, traditional steel channels can greatly damage profiles during threaded connection, so that mechanical performance of profiles in connection positions of steel channels is substantially reduced, follow-up use of the steel channels is affected, connection positions can become dangerous points of whole steel channels, so that the dangercoefficient of a support frame spliced by steel channels is increased.

The invention discloses an intelligent linear pneumatic device. The device is a linear pneumatic execution unit formed by a cylinder, a pulling-rope encoder, three groups of six-position five-way integrated valves, a control circuit module, and a communication module etc. highly integrated in an integrated structure according to the function requirement. According to the intelligent linear pneumatic device, the size is small, accurate control of the stretching or retraction distance and speed of a cylinder piston rod can be realized, each intelligent execution unit can independently work and can also work with other intelligent units in a cooperative manner, the production line is formed in the manner of wired communication or wireless communication, the flexibility of the re-design and combination of the whole production line is higher, the adjusting period of the production line is short, the cost is low, programming and configuration of the intelligent linear pneumatic device can be realized on the site, networking, accuracy, and flexibility of control are realized, and the market prospect is wide.

The invention discloses a bent beam skeleton membrane structure environment-friendly silo.The bent beam skeleton membrane structure environment-friendly silo structurally comprises a ground, a reinforced concrete foundation support, a straight H-shaped steel, and a bent H-shaped steel;the bent H-shaped beam is arranged at the top of the reinforced concrete foundation support, the H-shaped shape formed by a web,an upper flange plate, and a lower flange plate, the using amount of steel plates as a whole is greatly reduced, the investment is made less, amembrane materialcan be more conveniently arranged at the top of the bent H-shaped beam,meanwhile the cross section has a small height, the node is simple, the force is clear, and the beneficial effects that the investment is lower, the bearing capacity is larger, the membrane material is easy to install, the structure is safe, and the cross section height is small areachieved.