86results about How to "Not dangerous" patented technology

The invention discloses a synthesis method of synthesizing florfenicol. The synthesis method comprises the following steps: L-threo-(p-(methylsylfonyl) phenyl) serine ethyl ester which is used as raw material is processed by the protection by a protecting group, configurational transition, hydrolyzation, acetylation, re-protection, deoxidation, fluorination, and pre-hydrolyzation, so that the florfenicol is obtained, wherein, the protecting group R is one of benzoyl chloride, phthalic anhydride, cyanophenyl, and allyl compounds; the configurational transition is performed when sodium alcoholate or sodium methoxide exists. The raw material which is used in the method is a byproduct which is generated during the process of preparing thiamphenicol, is easy to get in the market, and is inexpensive; the technological operation is simple, the cost is low, the yield rate is high, and the synthesis method has industrialized value.

The invention relates to an environment-friendly plant source disease-resistant growth promoting agent and a preparation method of the environment-friendly plant source disease-resistant growth promoting agent. According to the plant source disease-resistant growth promoting agent, a dandelion extract, a ginkgo biloba extract and a burdock oligosaccharide-copper complex are used as main components and are mixed with monopotassium phosphate or potassium nitrate, magnesium sulfate, zinc sulfate, ferrous sulfate, boric acid and copper sulfate serving as large nutrient elements, medium nutrient elements and micronutrient elements; and the plant source disease-resistant growth promoting agent is prepared by compounding, chelating and fully stirring. Combining nutrition and disease resistance into a whole, the plant source disease-resistant growth promoting agent is wide in spectrum resistance; and by improving the immunity of a crop, the health of the plant is increased, the disease resistance of the plant is increased, pesticide application amount is reduced, the yield and the quality of the crop are improved, the performance is stable and the environment is friendly.

The invention relates to a synthetic method for Tildipirosin. The method comprises the synthetic steps of 23-hydroxy-20-piperidyl-5-O-mycaminoseyl-tylolactones, and 23-sulphonate-20-piperidyl-5-O-mycaminoseyl-tylolactones. The reaction yield of the method is high, and the conversion rate of each step of the reaction is up to more than 80%; and the purity of the product is high, and is up to more than 98.2%. The main raw material of the method is tylosin, the reaction reagent is the normal reagent which is easily obtained in the market and is cheap, and does not need to be stored in the ultralow temperature. The method is simple and safe in operation, does not need the devices in high temperature and high pressure, and has no risk. The method is capable of effectively solving the completeness of the reactant conversion, avoiding the column chromatography isolation for the intermediate product and the environment pollution, recovering the triphenylphosphine oxide of the byproduct, shortening the reaction period, improving the yield of the product, and reducing the production cost, and has the industrialized application value.

The functional environment friendly metal deoiling, derusting and antirusting fluid is prepared with polyoxyethylene alkyl ether, sodium dodecyl sulfate, 1.3-dibutyl thiourea, hexamethylidyene tetraamine, zinc dihydrogene phosphate, phosphoric acid, sodium butylnaphthalene sulfonate, sodium sulfosuccinate, triethanolamine, sodium bicarbonate, tartaric acid and 1.3-diethyl sulfourea in certain weight proportion, and through dissolving, diluting with water, mixing to react, and filtering. It has the synergistic effect of the components to deoil, derust, phosphorize, deactivate and antirust metal surface, no harm to human body and no environmental pollution.

The invention belongs to the medicine category, and in particular discloses a mild moxibustion plaster. The mild moxibustion plaster comprises the following components in parts by weight: 40-50 parts of blumea oil, 20-30 parts of indometacin, 30-45 parts of heating element, 5-10 parts of medical rubber and 2-5 parts of back lining cloth, wherein the heating element comprises reduced iron powder, active carbon, saline water and far infrared ceramic powder on a ratio by weight of reduced iron powder to active carbon to saline water to far infrared ceramic powder as (8-14):(3-6):1:(5-8). According to the mild moxibustion plaster disclosed by the invention, the moxibustion method is combined with plasters, so that a mild moxibustion plaster is developed; and the mild moxibustion plaster is used for moxibustion treatment, therefore the disadvantages of inconsistent moxibustion time, less human body absorption and large raw material waste and the like in the conventional moxibustion method are completely overcome.

The invention relates to a firefighting guide illumination line comprising a continuously luminous strong electroluminescence line (1), a PVC transparent plastic layer (2), an electroluminescence line(3) and a flexible wire cable (4) parallel to the electroluminescence line (3), wherein the PVC transparent plastic layer (2) is arranged outside the strong electroluminescence line (1); the electroluminescence line (3) and the flexible wire cable (4) are arranged in the strong electroluminescence line (1) which is wound on a rotatable wire coil wheel (6) with a stand (5); the center of the wirecoil wheel (6) is provided with charging batteries (7) and a driving controller (8) and is connected in series with one end of the strong electroluminescence line (1); the power-on strong electroluminescence line (1) can continuously illuminate when being electrified, and the wire coil wheel (6) is used to randomly withdraw and release the strong electroluminescence line (1). The firefighting guide illumination line is mainly applied to underground places, such as markets, subways, coal mine, and the like for rescue and guides refugees to evacuate towards a destination direction.

The invention discloses a safety plug device for power supply, and the device comprises a socket body which is fixedly installed in a wall body, and a plug body which is connected with power equipment through a wire. The socket body is provided with slots in a manner of lateral symmetry, and the outer side end walls of the slots are provided with power supply grooves. The front end walls of the power supply grooves are provided with power supply elastic pieces. The front end face of the socket body is provided with locking stretch-in grooves in a manner of lateral symmetry, and the rear ends of the locking stretch-in grooves are provided with locking grooves which extend towards outer side ends. The rear end face of the plug body is provided with power supply pins in a manner of lateral symmetry, and each power supply pin comprises a lead-in block cooperating with the corresponding slot, and a plug bar which is fixedly disposed on the rear end face of the plug body. Each lead-in block is provided with a longitudinal groove and a lateral groove, wherein the opening of the longitudinal groove faces forwards, and the opening of the lateral groove faces an outer side end. The lateral grooves are communicated with the longitudinal grooves. The plug bars stretch into the longitudinal grooves, and the lateral grooves are slidingly provided with telescoping arms. The inner side end of each telescoping arm is provided with an extruding inclined surface and a jacking surface, wherein each extruding inclined surface stretches out of the corresponding lateral groove, and stretches into the corresponding longitudinal groove to abut against an extruding action surface of the rear end of the plug bar.

The invention discloses an automatic welding manipulator. The automatic welding manipulator comprises a machine frame base, wherein a machine frame left vertical plate and a machine frame right vertical plate are arranged on the machine frame base in parallel; a lifting mechanism is arranged between the machine frame left vertical plate and the machine frame right vertical plate, the lifting mechanism is connected to a bin body rear seat, a first air cylinder is arranged above the bin body rear seat, and the first air cylinder is connected to a top cover; a welding rod storage bin is connectedto the bin body rear seat, a clockwork spring disc is arranged inside the welding rod storage bin, an annular rail is arranged on the periphery of the clockwork spring disc, and a clockwork spring isarranged inside the clockwork spring disc; a push rod is arranged outside the clockwork spring disc, one end of the push rod is connected to the clockwork spring, the other end of the push rod is arranged on the annular rail, and a welding rod is arranged on the annular rail; and a fixed support is arranged on the side surface of the welding rod storage bin, a rotating mechanism is arranged on the fixed support, a conveying mechanism is arranged on the rotating mechanism, a mechanical claw and a supporting frame are arranged on the conveying mechanism, and a welding gun is fixed on the supporting frame. According to the automatic welding manipulator, the automatic welding can be realized, and the automatic welding manipulator has the advantages of being high in efficiency, low in cost andsafe to operate.

The invention discloses a platform plate with a winch. The platform plate comprises a plate main body and is characterized in that one end of the plate main body is provided with the winch with a rope, the other end of the plate main body is provided with a hanging buckle for connecting the tail end of the rope, and the winch extends out of and accommodates the rope.

The invention discloses an environment-friendly and energy-saving steam cleaning machine, which relates to the technical field of steam cleaning, and comprises a main machine and a storage device, a water tank is arranged in the main machine, a water pump is arranged at one end in the water tank, an electromagnetic water inlet valve is arranged at the right end outside the water tank, and a metalcasting is arranged at one end outside the electromagnetic water inlet valve; a metal pipe is arranged in the metal casting, an electric heating pipe is installed outside the metal pipe, a pressure sensor is arranged at the end, close to the water tank, of the metal pipe, and a safety pressure valve is installed at the end, away from the water tank, of the metal pipe. During work, the water pump conveys high-pressure water flow to the metal pipe, the electric heating pipe rapidly heats the metal pipe, the water flow is rapidly converted into high-pressure steam in the metal pipe, the high-pressure steam flows to the steam spray gun through the high-pressure steam conveying pipe, and the high-pressure steam can be sprayed out towards a muzzle as long as a worker opens a trigger switch of asteam spray gun, and high-pressure steam flow or high-pressure steam-water mixed jet flow capable of cleaning a vehicle body is generated.

The invention discloses a water soluble composition for wrapping foodstuff. The main component of the composition is water. The content of wet weight of alginate in the casing is 4 to 5%; and the content of wet weight of guar gum in the casing is 1.4 to 1.8%.

The invention refers to a method for controlling a brushless, electronically commutated electric motor, a main AC voltage being rectified into an intermediate circuit direct voltage and this direct voltage being fed by an intermediate circuit containing an intermediate circuit capacitor to an inverter which is controlled by a motor control means for feeding and commutating the electric motor whereby the intermediate circuit direct voltage is monitored in respect of its voltage level and is compared with a predetermined limiting value and, on reaching or exceeding the limiting value, the intermediate circuit direct voltage is limited to the predetermined limiting value by clocked disconnection and reconnection.

The invention discloses a water area rescue dry-type rescue garment which comprises a waterproof breathable layer, a wear-resistant layer, a chloroprene rubber layer and an elastic rope. The wear-resistant layer is sewn on the inner side of the waterproof breathable layer, the chloroprene rubber layer is sewn at the neckline and cuff positions of the waterproof breathable layer, and the elastic rope is sewn at the waist position of the waterproof breathable layer. A heating assembly is also included and is sewn on the inner side of the wear-resistant layer, and the waterproof breathable layer, the wear-resistant layer and the heating assembly jointly form a dry type rescue garment main body. In actual use, the water area rescue dry-type rescue garment can perform self-heating, continuously provide heat for rescue workers and ensure that the body temperature always meets the body movement requirement, meanwhile, the anti-collision capacity of the chest of a user can be improved, the user can carry a life jacket without holding the life jacket by hand, search and rescue work is not hindered, and when buoyancy provided by the rescue garment is insufficient, rapid inflation can be carried out so that the buoyancy of the rescue garment is improved, and the rescue requirements of rescue workers are met.

The invention discloses a method for resource utilization and innocent treatment of etching waste liquid containing copper in the circuit board industry. The method comprises the following steps of: pre-treating acid etching waste liquid containing the copper and alkali etching waste liquid containing the copper; performing a neutralization reaction of the pre-treated etching waste liquid to generate copper sulphate and basic copper chloride, recovering the copper from remaining wastewater containing low-concentration copper through absorption by adopting an ion exchange technology after mostcopper is recovered, and obtaining a regenerated copper chloride raw material after resin desorption; and evaporating remaining copper-free wastewater, i.e. ammonia nitrogen wastewater, by using a multi-effect evaporator to recover an ammonium chloride product which can be used as a regenerated etching liquid, and discharging the remaining wastewater up to the standard. By the method, the pollution problem of heavy metal ions to the environment is solved, and cyclic utilization of the waste liquid for production of other products can be realized, so the resources are saved and the environmentis protected.

The invention discloses a body-building vehicle braking device. The device comprises a regulation device provided with a display screen and an electromagnetic control braking component which is arranged on the periphery of a flywheel and movably connected to a frame, wherein the regulation device is connected with the electromagnetic control braking component in a wired or wireless mode, a regulation part is installed on one side of the motor, and an outer ring of the flywheel is a metal ring coaxial with the flywheel; the electromagnetic control braking component comprises an electromagneticcontrol base movably connected to the frame, a U-shaped groove with the depth not smaller than the width of the metal ring is formed in the side, facing the flywheel, of the electromagnetic control base, and the U-shaped groove is internally provided with a magnet; the regulation device regulates the motor, acts on the regulation part and then acts on the electromagnetic control braking component,and the U-shaped groove of the electromagnetic control base acts on the flywheel. Accordingly, the motor is regulated by means of the regulation device to make the motor act on the regulation part, and the U-shaped groove acting on the electromagnetic control base in the electromagnetic control braking component acts on the flywheel, so that the barking effect is achieved, the structure is simple, and operation is convenient.

The invention discloses an insulation monitoring system for an electric vehicle, which comprises a high voltage monitoring circuit, a controller, an insulation detection device and a battery pack module, wherein the high voltage monitoring circuit comprises the controller, a sampling resistor, a capacitor, a transformer and an insulation resistor located between a high voltage battery and a body ground; and the controller comprises a digital/analog converter, a signal processing module and a logic judgment processing module. In the case of use, the controller continuously generates PWM wave signals, the detection device monitors the amplitude changes of sampling point signals caused by insulation resistance changes in real time, the monitoring result is processed by a comparator, the signal processing module and the logic judgment processing module, and insulation is judged. The monitoring program is simple, the adjustable ability is strong, the safety is high, the adaptability is strong, and the control circuit can be well protected.

The invention relates to a method for controlling a vehicle (1) by means of a remote control (2). Said method involves the steps of recording a directional input by a user via an input device (5) of the remote control (2), transmitting the recorded directional input from the remote control (2) to a control unit (3) of the vehicle (1), sensing at least some areas of the surroundings of the vehicle (1) by means of a surroundings-sensing system (4a, 4b, 4c, 4d), having the control unit (3) determine a desired steering angle of the vehicle (1) in accordance with the recorded directional input, and limiting the desired steering angle of the vehicle (1) in accordance with the sensed surroundings of the vehicle (1).

The invention discloses an automatic welding manipulator. The automatic welding manipulator comprises a rack base; the rack base is provided with a rack left vertical board and a rack right vertical board in parallel; a lifting mechanism is arranged between the rack left vertical board and the rack right vertical board and is connected with a bin rear base; a cylinder is arranged above the bin rear base; the output end of the cylinder is connected with a top cover; a welding bar storage bin is arranged in front of the bin rear base; a spring plate is arranged inside the welding bar storage bin; an annular track is arranged on the periphery of the spring plate; a spring is arranged inside the spring plate; a pushing rod is arranged outside the spring plate; one end of the pushing rod is connected with the spring; the other end of the pushing rod is arranged on the annular track; a welding bar is arranged on the annular track; a fixing support is arranged on the side face of the weldingstorage bin; a guide mechanism is arranged on the fixing support; and a welding gun fixed to the fixing support is arranged above the guide mechanism. The automatic welding manipulator can achieve automatic welding, and has the advantages of high efficiency, low cost, and safe operation.

The invention relates to a synthetic method of 5-nitraminotetrazole, and belongs to the chemical synthesis field. The synthetic method comprises the following steps: firstly, nitrifying 5-aminotetrazole by a mixture of nitric acid and sulfuric acid; and then neutralizing excessive acid by alkaline substances such as sodium carbonate and the like; finally, purifying the 5-nitraminotetrazole by an organic solvent to obtain the purified 5-nitraminotetrazole. The synthetic method has the advantages of safe and reasonable process, short reaction time, simple steps, high yield, low production cost, no application and production of toxic substance, and simpler post-processing process.