960results about How to "There is no security risk" patented technology

The invention discloses an LED candle lamp which comprises a shell (1), a base (2) arranged at the bottom of the shell (1) and a luminous body (3) arranged at the upper end of the shell (1), wherein the inside of the shell (1) is provided with two mutually symmetrical shell cores (4) which are fixedly connected through two mutually symmetrically connected brackets (5), a power supply drive plate (6) is arranged on the base, a lens body (7) is arranged on the luminous body (3), an LED chip (8) is arranged in the lens body (7); and the brackets (5) are attracted on the base (2) through an electromagnet, a small magnet is connected to the bottom of the luminous body (3), and the power supply drive plate (6) is connected with the luminous body (3) through the electromagnet and used for controlling the luminous body (3) to swing. The invention has the advantages of less electricity consumption, less generated heat, no potential safety hazards, no energy waste and environment protection, and is suitable for being widely used by people.

The invention discloses a control authority sharing method and system. The method comprises the following steps that: a first terminal logs in to a server through a master account number to generate authorization control information, and shares the authorization control information with a second terminal; the second terminal obtains a sub account number of the master account number from the server through the authorization control information, logs in to the server through the sub account number to enter a control interface so as to control a controlled device bound by the master account number. Thus, the rapid sharing of control authority of an intelligent household appliance is realized, so that temporary users do not need to download and install applications, register and log in and carry out device binding and other complicated operations, the intelligent household appliance can be controlled only by activating the authorization control information, the operation is simple and convenient, and the flexibility of the intelligent household appliance in control is improved. At the same time, the sub account number is controlled by the master account number, security risks caused by authority conflict do not exist, and the reliability of control on the intelligent household appliance is improved.

The invention relates to a technical method for synthesizing continuous carbon nanometer tube film, which comprises the following step of: with glycol, ethanol, acetone, hexane, benzene, toluene or xylene as a carbon source, ferrocene as catalyst, sulphur and thiophene as accelerators and with hydrogen, argon gas, nitrogen, helium or the mixed gas of hydrogen and inert gas as carrier gas, preparing a continuous carbon nanometer tube film at flow rate of carrier gas from 50 to 6000 ml/mi at temperature of 1000 to 1300 DEG C by use of a horizontal reaction furnace device, wherein the carbon nanometer tube mainly consists of a single-wall carbon nanometer tube and a double-wall carbon nanometer tube. The invention has the advantages that carbon nanometer tubes can be continuously synthesized, and scale production of carbon nanometer tubes is facilitated.

The invention relates to an automatic cleaning machine for decorative glass curtain walls of building walls, which includes a base plate, two stable support plates, four moving devices and a cleaning device. The front end of the base plate is provided with a rectangular groove, and the middle part of the base plate is provided with a strip groove. The rear end of the bottom plate is provided with a square groove, and two stable support plates are installed symmetrically on the upper ends of the left and right sides of the bottom plate. The support plate is stable, and the cleaning device is installed on the bottom plate. The present invention can solve the problem that the glass curtain wall needs to be manually cleaned on the hoisting equipment according to the working position in the process of manual cleaning of the glass curtain wall. There is a safety hazard in the high-altitude operation by using the existing hoisting equipment manually, and the residual cleaning agent after scrubbing is not recovered in time. However, if it falls to the bottom, it takes a long time to manually clean the glass curtain wall, which is labor-intensive and inefficient.

The invention relates to a composite material of nano zero-valent iron and a silver metal cluster loaded on activated carbon and a preparation method of the composite material. The method comprises the steps of firstly carrying out acidifying treatment on the activated carbon, cleaning and drying; secondly, adding polyethylene glycol to a mixed ferrous sulfate solution employing ethanol and water as mixed solvents, dissolving, adding NaOH to adjust the pH value; adding acidified activated carbon to the mixed solution, fully stirring and then adding a sodium borohydride solution to obtain nano zero-valent iron-loaded activated carbon; and finally washing the nano zero-valent iron-loaded activated carbon, and adding the nano zero-valent iron-loaded activated carbon to a silver salt solution as quickly as possible and reacting to obtain the material. The preparation method is simple in process, and simple in operation; and in a practical water purification application, various pollutants in drinking water are efficiently converted and degraded by combining the strong adsorption ability of the activated carbon and a micro-galvanic cell formed between iron and silver nanoparticles.

The invention belongs to chemical industry and waste gas process field, in particular providing a process method which mixes organic waste gas purifying and resource recovery. The specific procedure is that: make the mixed waste gas pass through a filter to be filtered, and then enters into a single-seat multilevel absorption tower and contacts with a packing layer and a liquid distribution device; when the series of the single-seat tower is 3, the second-grade liquid distribution device adopts a kind of absorbent which is a mixing liquid comprising the mixing liquid which is pumped in after cooled by a heat interchanger at the bottom of the adsorption tower and the mixing liquid which generates in the middle groove of the third-grade; the third-grade liquid distribution device adopts a kind of absorbent which is a mixing liquid comprising fresh absorbent, the regenerating liquid recycled by a mixing liquid separation device and the collecting liquid collected by a collecting hopper of third-grade; when the series of the single-seat tower is N and is larger than 3, all grades of absorbent from the second grade to the N minus 2 is a mixing liquid comprising a mixing liquid generated in the middle groove of the next grade and a collecting liquid collected by the collecting hopper on the same grade, the absorbent of the N minus grade is the colleting liquid collected by the collecting hopper of the N minus 1 grade, the absorbent of the N grade is a mixing liquid comprising of pumped fresh absorbent and the regenerating liquid recycled by the mixing liquid separation device. The fresh absorbent is an environment-protected organic solvent with high boiling point, strong lipophilicity and low volatility. The invention can recycle a plurality of organic infectant in waste gas, the technics procedure is simple, practical, and the operation cost is low.

The invention discloses a method and a system for purifying flue gas by inducing free radicals by virtue of ozone and hydrogen peroxide. The system is characterized in that a flue of a boiler is connected with one end of a flue gas heat exchanger, wherein the other end of the flue gas heat exchanger is connected to the bottom of a spraying washer; an injection hole of an ozone injection system is formed in a pipeline located between the flue gas heat exchanger and the spraying washer; a solution circulating by-pass system is connected with the top end and lower part of the spraying washer, respectively; the bottom of the spraying washer is sequentially connected with a mercury separation system, an ammonification neutralizing system and a product concentrating and crystallizing system; the top of the spraying washer is connected with a chimney through the pipeline and a flue gas waste heat system. According to the method, hydroxyl free radicals with strong oxidizing property are generated in an induction manner after the ozone in the flue gas is contacted with the hydrogen peroxide in spraying liquid; four main pollutants in the flue gas can be simultaneously removed, equipment is simple and reliable, and no secondary pollution is generated in a removal process. The method and the system are novel and have wide application prospects.

The invention relates to a well safety valve control system, which comprises: an air-powered pressurizing pump and a ground safety valve control circuit, wherein said ground safety valve control circuit comprises one high-pressure needle valve, one-way valve, a pressure meter, and an energy accumulator; one overflow valve is between the one-way valve and the pressure meter; one end of high-pressure needle valve is connected to the air-powered pressurizing pump; one end of energy accumulator is connected to the ground safety valve and connected to the air source; another high-pressure needle valve is between the one-way valve and the pressure meter; the under-well safety valve control circuit is between the air-powered pressurizing pump and the under-well safety valve; said circuit comprises one high-pressure needle valve, one-way valve, pressure meter, and energy accumulator which are connected; another branch is between the one-way valve and the pressure meter, whose another end is connected between the one-way valve and the pressure meter; said branch has two one-way valves; one high-pressure needle valve is between two one-way valves.

The invention relates to a hydraulic grabbing mechanical arm for an anti-collapsing rock-soil retaining wall. The hydraulic grabbing mechanical arm comprises a damping supporting mechanism, wherein the damping supporting mechanism comprises a fixed platform; three parallel-connection branch chains are evenly mounted on the upper end face of the fixed platform in the direction of the axis, and the top ends of the three parallel-connection branch chains are mounted on the lower end face of a movable platform; each parallel-connection branch chain comprises a concave support welded to the upper end face of the fixed platform, a lower limiting shaft is mounted between middles of two sides of each concave support, and two arc limiting grooves are symmetrically formed in the inner wall of the upper end of each concave support; each lower limiting shaft is sleeved with a first hydraulic cylinder, two limiting rods are arranged on the two sides of the bottom end of each first hydraulic cylinder, and the tail ends of two limiting rods are connected with corresponding two arc limiting grooves in a sliding fit manner; and a hydraulic grabbing device is mounted at the upper end face of the movable platform. According to the mechanical arm, the stable automatic hydraulic grabbing function of masonry can be achieved, the phenomenon of vertical shaking or left-and-right shaking in the carrying process can be avoided, and stability performance is good.

The invention discloses a voiceprint information management method, a voiceprint information management device, an identity authentication method, and an identity authentication system. Voice information of a first user can be acquired by filtering historical voice files stored in a related system, and text information corresponding to the voice information can be acquired by text identification processing, and the voice information and the corresponding text information can be edited to be the reference voiceprint information of the first user. The text information and the voice information of the reference voiceprint information can be acquired based on the above mentioned historical voice file, and are not preset by the related system, namely are not disclosed, and therefore any user cannot foresee the concrete content of the text information required to be repeated during the executing of the identity authentication, and the corresponding voice file cannot be recorded in advance, and the object of passing the authentication by playing the recorded voice file cannot be achieved. By adopting the voiceprint information management method for the identity authentication, the authentication result is more accurate, and the safety hidden troubles can be prevented, and the safety performance of the account can be higher.

A polymer electrolyte isolating membrane, preparation method and use thereof, relating to a polymer electrolyte isolating membrane, preparation method and use thereof. The invention solves the problem in the current lithium ion battery liquid electrolyte that is easy to leak and hard to shape the gel state electrolyte and has bad safe performance and mechanical performance. The polymer electrolyte isolating membrane is made of a lithium salt, an organic solvent, a photosensitive monomer, a photoinitiator and a nano-filler. The method includes the steps as follows: adding the lithium salt into the organic solvent, magnetically stirring them to obtain the electrolyte solution; adding the photoinitiator into the photosensitive monomer, magnetically stirring them to form a mixed monomer; adding the electrolyte solution and the nano-filler into the mixed monomer; ultrasonically shaking them to obtain the mixed solution; coating the mixed solution on the surface of the release material; radiating on the surface of the release material coated with the mixed solution via an ultraviolet light to obtain the polymer electrolyte isolating membrane. The polymer isolating membrane of the invention has the advantages of good mechanical performance, easy formation, high conductivity and good battery performance after the battery is assembled.

The invention belongs to the technical field of food processing and preparation and relates to absorbable agar jelly. The absorbable agar jelly comprises the following components by weight percent: 0.001%-30% of sweetener, 0.01%-2.0% of agar, 0.001%-2% of acidity regulator, 0.0001-2% of essence, 0.01%-1.0% of thickening agent, 0.1%-99.9% of fruit and vegetable juice (pulp) or 0.1-50% of fruit and vegetable granules and the balance of water, wherein the sum of the weight percentage of all the components is 100%. When the product is eaten, potential safety hazard does not exist, and the absorbable agar jelly is smooth and unique in taste, good in flavor release and health care function, and beneficial to human health, has an important regulating effect on nutritional imbalance, and is simple in preparation technology, easy to produce and cost-saving, and various nutritional ingredients also can be added into the absorbable agar jelly and used for supplementing nutrient substances needed by a human body.

The invention discloses a preparation method of an aluminum polychloride/hydroxyapatite copolymeric material. The preparation method comprises the following steps of preparing an aluminum polychloride semi-finished product, preparing a hydroxyapatite semi-finished product and preparing the copolymeric material and synthesizing the aluminum polychloride/hydroxyapatite copolymerization network structure material by virtue of a copolymerization method. Compared with the conventional fluorine-removal material, the fluoride removal capacity of the aluminum polychloride/hydroxyapatite copolymeric material is four times that of a single hydroxyapatite fluoride removal filter and is six times that of an active aluminum oxide fluoride removal filter; the network structure of the material facilitates has the effects of facilitating net capturing of aluminum ions and hydroxyapatite powder in a water body, and the problems of excessive aluminum ions and water clarity in the water body are solved; and meanwhile, by polyaluminum chloride active ingredient in the copolymeric material, the continuous regeneration of hydroxyapatite can be promoted and the service life of the material is prolonged.

The invention relates to a carbon dioxide acidification blocking remover and a process of not reversely discharging raffinate after acidification. The blocking remover comprises a reagent A which is prepared by directly mixing hydrochloric acid, hydrofluoric acid, glacial acetic acid, polyoxyethylene alkyl phenol ether, citric acid, a corrosion inhibitor, a mutual solvent and a clay stabilizer to form a homogeneous solution and a reagent B prepared by mutually mixing carbonate, a surfactant, an iron ion complexing agent, a demulsifier and clean water which are stirred for 1 hour at normal temperature. The process of not reversely discharging raffinate after acidification comprises the following steps: when an oil well is deblocked, first, injecting a medicament A into an oil layer; then, isolating the clean water by layers; then, injecting a medicament B into the oil layer; and finally, injecting clean water to extrude a mixture in a shaft to the stratum, then, injecting an acidizer into a loop space to a perforated interval, closing the well for 4-6 hours, opening the well, observing the pH value (control range from 6-7), periodically injecting the acidizer till raffinate is fully discharged out of the stratum, and finally, injecting clean water to extrude the mixture in the shaft into a dryline.

The invention provides an access control method, device and terminal for a wireless local area network. The method comprises: when receiving an application access message of an application access terminal, wireless local area network hotspot equipment confirms an access control terminal in whether to allow the terminal to access ; and the wireless local area network hotspot equipment makes the application access terminal accessed after receiving information indicating access permission from the access control terminal. The access control method provided by the invention is used for solving the problem that a complex password needs to be input for accessing a wireless local area network hotspot, avoiding transmission inconvenience and leakage risk of a hotspot password, improving the user experience and guaranteeing controllable hotspot access.

The invention discloses an electronic prescription operation method and device and an electronic prescription operation system. The electronic prescription operation method comprises the steps that a client side sends an electronic prescription operation request of a user to an electronic prescription management system; after the electronic prescription management system receives the operation request, by means of interaction with a hospital information system, the client side and/or a third party, the operation request is processed, wherein when both interaction parties taking part in processing the operation request transmit private data of the user, a sender uses a sharing quantum secrete for encryption, and a receiver uses a corresponding sharing quantum for decryption; the sharing quantum secretes are acquired by the sender and the receiver through a quantum secrete distribution protocol in a negotiation mode in advance. In this way, on one hand, the safety of the private data of the user is effectively guaranteed through the characters of the quantum secrete; on the other hand, anonymity authentication can be achieved, the certificate authority process is simplified, and the execution efficiency can be improved.

The invention relates to an automatic installation, disassembly and cleaning equipment for sewage inspection manhole covers for municipal pipeline system ventilation. device. The present invention can solve the problems existing in the assembly, disassembly and cleaning process of the existing sewage inspection manhole cover, the need to manually assemble and disassemble the sewage inspection manhole cover with the help of existing lifting equipment, the need to manually clean up the stains on the sewage inspection manhole cover, and the need to manually flush the sewage Inspecting the manhole cover, manual assembly and disassembly of the sewage manhole cover with the help of existing lifting equipment is complicated. During the assembly and disassembly process, the sewage manhole cover is easy to shake, posing a safety hazard. The sewage generated during the process of manually flushing the sewage and inspecting the manhole cover will not be discharged anywhere to affect the environment. Manually clean the sewage In order to solve the problems of low labor intensity and low work efficiency for checking the stains on the manhole cover, it can realize the function of automatic assembly, disassembly and cleaning of the manhole cover for sewage inspection.