157results about How to "Easy to operate continuously" patented technology

An apparatus is provided for synthesis and collection of higher order chemical compounds from lower order precursors. The apparatus includes a first silent electric discharge reactor configured to synthesize an intermediate product (e.g., disilane) from a precursor chemical (e.g., monosilane). A second silent electric discharge reactor is connected downstream of the first reactor. This second reactor is configured to convert the intermediate product into the higher order chemical compound (e.g., trisilane). Multiple condensation traps are also connected to receive effluent from the second reactor, which will generally include the compound of interest as well as unreacted precursor and intermediate product. In the illustrated embodiment, a parallel second condensation traps is also included to shunt flow and continue collection while the chemical of interest is removed for purification. Moreover, parallel second condensation traps for the intermediate product and unreacted (or recombined) precursor allow continued collection while the contents of the first traps are recycled in the reactor(s).

The invention relates to a preparation method of a monodisperse-metal oxide magnetic composite microsphere resisting acid and the composite microsphere. The method comprises the following steps: a water soluble carbon source and water soluble inorganic metal salt are dispersed in deionized water and are mixed evenly in an electromagnetic way to obtain a precursor water solution; the precursor water solution is transferred to an ultrasonic atomizer apparatus to be atomized, and atomized drips are transported to a silica tube placed in a tubular furnace by taking inert gases as the carrier gas; the flow rate of the inert gases is 0.1-15 standard liter/min, and the temperature of the tubular furnace is set to be 400-1000 DEG C; and production is collected and dried to obtain the monodisperse-metal oxide magnetic composite microsphere resisting acid. By adjusting the carbon source, a hollow microsphere or a solid core/shell microsphere can be prepared selectively. The magnetic composite microsphere has good acid resistance and can be widely applied to fields such as data storage, nuclear magnetic resonance, magnetic separation biomolecule, drug loading, water environment restoration, and the like.

Provided is a touch sensor having a simple structure and enabling a driver to appropriately and quickly manipulate the touch sensor as intended without looking at a manipulation surface of the touch sensor. The touch sensor includes: multiple electrodes; detection means for detecting touch on any of electrodes and for outputting a detection signal for each electrode; touch judgment means for judging whether each of the electrodes is touched or untouched based on the detection signal; a switch having a manipulation button; control mode judgment means for determining a control function for a controlled device in accordance with an input signal transmitted from the switch when the manipulation button is manipulated; and permission means for permitting the touch judgment means to judge touch on each electrode in response to the input signal from the switch.

The invention discloses a method for producing potassium sulfate from potassium/chlorine-ion-containing solid waste, which comprises the following steps: adding water, leaching, adding an alkaline matter and soluble carbonate for impurity removal, and concentrating to obtain a concentrated solution with the K<+> concentration of 100 g/L or above; and adding ammonium sulfate into the concentrated solution, adding a mixture of sodium tripolyphosphate, ammonium monoacid phosphate, magnesium sulfate, urea and sodium salt, reacting to obtain a potassium sulfate precipitate, carrying out solid-liquid separation to obtain wet potassium sulfate and a filtrate, drying to obtain a potassium sulfate product, carrying out concentration and crystallization on the filtrate twice, and drying to obtain a potassium-nitrogen compound fertilizer product. The method is simple and safe, has the advantages of high efficiency, lower cost and high potassium sulfate product quality, does not need any alcohol substance to perform precipitation, and meanwhile, can coproduce the potassium-nitrogen compound fertilizer which satisfies the national standard.

Disclosed is an integrated electric vagina expander, relating to a combined structure of a vagina expander and a colposcope and comprising a detector, a detector permanent seat and a spring regulating mechanism. The spring regulating mechanism is composed of a duck mouth and a duck-mouth open-close device. The duck-mouth open-close device is composed of an open-close shaft and a shell sleeved outside the open-close shaft. A spring is arranged on the open-close shaft, regulating the open and close of the duck mouth. The integrated electric vagina expander which integrates the functions of the vagina expander and the colposcope can achieve continuous operations of examination, sampling and medicine application by a doctor, greatly improving the work efficiency of the doctor; the duck mouth is opened and closed in parallel so that the pain that a patient feels is reduced. In addition the invention is simply structured and produce with low cost.

The invention discloses a preparation method of flame-retardant polyacrylonitrile fabric, and relates to the technical field of textile products. The preparation method includes grafting glycidyl methacrylate onto polyacrylonitrile fabric by taking benzophenone as an initiator according to an ultraviolet light grafting technology so as to introduce epoxy groups; subjecting the obtained fabric to amination and phosphorylation to finally obtain the flame-retardant polyacrylonitrile fabric. The preparation method has the advantages that the glycidyl methacrylate is grafted onto the surface of the polyacrylonitrile fabric according to the ultraviolet light grafting technology, chemical modification is combined, nitrogen and phosphorus are introduced onto the surface of the fabric by means of the active epoxy groups, and accordingly, the polyacrylonitrile fabric with the flame-retardant effect is obtained; the preparation process is simple, easy to operate and suitable for continuous production, and the product does not contain halogen and is environment friendly and free of poison.

The invention provides a mesoporous silicon film and a two-step preparation method and application thereof. The preparation method comprises the following steps: putting cotton into a sulfuric acid solution, stirring and reacting, taking out the cotton after the reaction, diluting with distilled water, standing for layering; carrying out centrifugal separation on the lower layer of a suspension, washing; carrying out dialysis on the centrifuged suspension, adjusting the pH, carrying out ultrasonic treatment to obtain nanocrystalline cellulose; carrying out ultrasonic treatment on the nanocrystalline cellulose, putting the nanocrystalline cellulose into a round-bottom flask, adding glucose, stirring evenly, adding tetraethl silicate, stirring and drying to obtain a mesoporous silicon film A; calcining the mesoporous silicon film A to obtain a mesoporous silicon film B; putting the mesoporous silicon film B into methylbenzene, introducing nitrogen, dropwise adding triethylamine, introducing nitrogen, dropwise adding Diethylphosphatoethyltriethoxysilane, sealing, and shaking to obtain a mesoporous silicon film C; putting the mesoporous silicon film C into concentrated hydrochloric acid and reacting to obtain a mesoporous silicon film D; and washing the mesoporous silicon film D and drying to obtain the final mesoporous silicon film. According to the invention, biomass cellulose is used as a template, has a wide range of sources and is green and environmentally friendly.

The invention provides a mesoporous silicon film and a one-step preparation method and application thereof; the preparation method comprises: placing cotton in sulfuric acid solution, stirring for reaction, taking out after reaction, diluting with distilled water, and standing for layering; pouring off clear supernate, centrifugally separating lower suspension, and washing; transferring the centrifuged suspension to a dialysis membrane for dialysis, adjusting pH, ultrasonically treating to obtain nanocrystalline cellulose, and getting ready for use; ultrasonically treating the nanocrystalline cellulose, placing in a round-bottom flask, adding glucose, stirring, adding mixed liquid A of diethylphosphatoethyltriethoxysilane and tetraethyl orthosilicate, stirring, and drying to obtain mesoporous silicon film A; placing the mesoporous silicon film A in sulfuric acid solution, and removing a template to obtain mesoporous silicon film B; placing the mesoporous silicon film B in concentrated hydrochloric acid for reaction to obtain mesoporous silicon film C; flushing the mesoporous silicon film C with distilled water and absolute ethyl alcohol, and drying to obtain final mesoporous silicon film. Biomass cellulose is used as the template herein, the source range is wide, and the mesoporous silicon film is green.

The invention discloses a mobile terminal and a method for realizing the shortcut operation of the mobile terminal. The method includes the following steps that: as for logon operation of users, the mobile terminal sequentially obtains user event data of single operation events in the logon operation, and utilizes the user event data to generate script codes for operating the single operation events, and sequentially connects the script codes of the single operation events and saves the connected script codes; and when the logon operation is started, connected script codes which are corresponding to the logon operation are operated. With the mobile terminal and the method for realizing the shortcut operation of the mobile terminal of the invention adopted, shortcut setting of complex operation can be realized, and continuous operation can be automatically memorized, repetitive and tedious operation can be reduced, and user experience can be improved.

The invention relates to a polyurethane modified unsaturated polyester resin composition and a preparation method thereof. The polyurethane modified unsaturated polyester resin composition is prepared through taking 100 parts of an unsaturated polyester resin, adding 13-25 parts of a monocomponent capped polyurethane prepolymer, adding 0.3-0.5 parts of an antioxidant, 0.3-0.5 parts of an antioxidation assistant, 0.3-0.8 parts of a thermal stabilizer, 0.3-0.5 parts of an ultraviolet ray absorbent, 0.3-0.6 parts of a mildew preventive and 0.2-0.5 parts of a defoamer, putting above materials into a mixed reactor, and stirring and uniformly mixing them at normal temperature. The composition of the invention, which can be cured to form a composition with interpenetrating networks of polyurethane macromolucules and unsaturated polyester macromolucules after heat-reacting, solves problems of bad toughness, bad impact resistance, easy cracking after curing and the like of present unsaturated polyester materials, so the composition of the invention can be applied to the building industry and the like as a thermocuring coating and an adhesive.

The present invention relates to a pneumatic actuator comprising a cylinder and a piston arranged to reciprocate within said cylinder, said piston dividing said cylinder into a first space having a first port for passing a first gaseous medium into said first space, and a second space having a second port for passing a second gaseous medium into said second space, so as to move said piston, wherein said first gaseous medium is arranged to be provided as a first set of pulses, and said second gaseous medium is arranged to be provided as a second set of pulses, said sets being arranged to provide an impact difference for moving said piston, and at least one position sensor arranged at said pneumatic actuator to sense the position of the piston, said control of the pneumatic actuator being based upon the position of the piston. The present invention also relates to a system for controlling a pneumatic actuator. The present invention also relates to a method for controlling a pneumatic actuator. The present invention also relates to a computer program and a computer program product.

The process of preparing 1, 1, 1, 2, 3, 3-hexafluoro propane with 1, 1, 1, 2, 3, 3-hexafluoro propylene and hydrogen belongs to the field of hydrogenating organic halide to prepare alkane. Compound 1, 1, 1, 2, 3, 3-hexafluoro propylene and hydrogen are made to react in the presence of catalyst comprising one or several of Ni, Cu, Fe, Cr, Zn and Al and one or several of RE metal oxide, transition metal oxide and alkali metal oxide. The preparation process with non-noble metal as the main active components in the catalyst has greatly lowered cost, simple reaction process, high material utilizing rate and no pollution.

The invention discloses a solid-liquid separating device and a separating method. The solid-liquid separating device at least comprises a solid-liquid mixture holding component, an elastic porous adsorption component, an extruding component and a support component, wherein the solid-liquid mixture holding component is used for storing or conveying an unseparated solid-liquid mixture; the elastic porous adsorption component is made of a plurality of capillary tubes, is arranged on the solid-liquid mixture holding component, and is in contact with the mixture; the extruding component is used for extruding the elastic porous adsorption component; and the support component is used for supporting the elastic porous adsorption component when the elastic porous adsorption component is extruded by the extruding component, and is a porous component. By adopting the solid-liquid separating device and the separating method, solid-liquid separation can be realized without adding a large quantity of substances such as flocculating agents or introducing a large amount of mechanical energy, so that the energy consumption is low, and the treatment cost is low.

The uninterrupted operation welding positioning device comprises a machining platform and a welding mechanism above the machining platform, movable bearing tables are arranged on the left side and the right side of the upper surface of the machining platform correspondingly, and positioning clamping discs are arranged on the outer surfaces of the movable bearing tables; side baffles are arranged on the front side edge and the rear side edge of the machining platform correspondingly, translation sliding grooves are transversely formed in the middles of the side baffles, positioning clamping discs are arranged on the upper end face, the lower end face, the left end face and the right end face of the movable bearing table correspondingly, a movable shaft penetrates through the middles of the front end and the rear end of the movable bearing table, and the welding mechanism is installed on the inner side of the lifting movable frame. The movable bearing table capable of turning over and sliding is matched with the multi-face positioning clamping disc, so that a workpiece is slidably guided to be quickly positioned and attached, meanwhile, a multi-face station can be flexibly turned over and replaced, continuous operation of feeding and discharging and welding machining can be conveniently and continuously conducted, and the working efficiency of welding machining is improved.

The invention provides a method for preparing asymmetric polymer microspheres in a UV optical field by using optical active polymer, which belongs to the polymerization field. The invention relates to a method for preparing the asymmetric polymer microspheres from isotropic polymer of which the surface contains optical active groups in a UV optical field. Specifically, the invention is a method for preparing the asymmetric polymer microspheres by the reaction difference of optical active groups on different area surfaces of the microspheres to light along the direction of illumination. The method has the advantages of wide applicability, high reaction speed, simple technique and equipment, less investment, high security and environment protection, and the like. Moreover, one of the most apparent characteristic of optical reaction is easy implementation of continuous operation; therefore, the method can greatly improve the preparing efficiency of asymmetric polymer microsphere.

The invention relates to a preparation method of polycarbonate, belonging to the technical field of preparing high molecular material, in particular to a method for preparing polycarbonate through phosgene interface method; in the course of reaction, the flow of phosgene is controlled to correspondingly regulate the flow of alkaline solution, thus the pH value of the reaction system is controlled within a proper range so as to improve the reaction rate and the conversion efficiency of phosgene and bisphenol.

The invention discloses a hydroxypropyl-beta-cyclodextrin chiral composite membrane, and applications thereof. A preparation method of the hydroxypropyl-beta-cyclodextrin chiral composite membrane comprises following steps: a polysulfone membrane is immersed in deionized water for two days, is dried vertically in the air, is immersed in a hydroxypropyl-beta-cyclodextrin solution with a concentration of 0.02g/ml, is dried vertically in the air, and is subjected to interfacial polymerization with a 1,6-hexanedioldiisocyanate solution with a concentration of 0.012g/ml; an obtained product is collected, is washed with deionized water after volatilization of reagents on the surfaces, and is dried in that air so as to obtain a chiral composite membrane; and the chiral composite membrane is delivered into a common dialysis device, and d-p-hydroxyphenylglycine raceme solution is separated by concentration difference, wherein purity of d-p-hydroxyphenylglycine enantiomer in a permeate liquid is more than 55%. The purity of the enantiomer obtained via the preparation is relatively high; cost is low; energy is saved; environment is protected; and the preparation method is convenient for continuous operation and large-scaled industrialized production.

An spring rotary-cutting and inserting machine for preparation of a film-suspended insulating glass film stretching frame comprises a spring feeding mechanism, a spring conveying mechanism, a spring taking mechanism, a rotary-cutting mechanism, a frame moving mechanism, a propping mechanism and a work bench, wherein spring feeding, conveying and taking are performed, then a rotary arm in the rotary-cutting mechanism rotates to drive a spring insertion head which is mounted on the rotary-cutting mechanism and clamps a spring to perform circular motions, so that an expansion ring on the last circle at the bottom of the spring is squeezed in the tangential direction of the circumference to become narrow and then enters flared ports in the bottom of the clamping groove of the film stretching frame via the bottle neck of a clamping groove of the film stretching frame, and the expansion ring recovers elasticity, becomes wide and is clamped and positioned in the flared ports. The rotary head of the spring taking mechanism rotates by 360 degrees, so that fractures at the bottoms of springs of the spring taking mechanism face the same direction, and the fractures of bottom rings of the inserted springs in the film stretching frame keep at the same angle. Damage of spring insertion to a sectional material of the film stretching frame is reduced, so that all the fixed springs in the film stretching frame keep in a certain direction and at a certain angle and are distributed well linearly.

When cooling acid which is withdrawn from an absorption apparatus of a sulfuric acid plant,the acid is pumped from an acid pump tank into a heat exchanger and subsequently again supplied to the absorption apparatus,wherein water as heat transport medium is heated in the heat exchanger with the heat of the acid and is at least partly converted into steam, and wherein the water is separated from the steam.It is provided that the acid is supplied to a shell space of the heat exchanger and the water is supplied to heat transfer elements arranged in the shell space and at least partly converted into steam, that the steam generated in the heat exchanger is separated from water in a steam drum, and that the water thus obtained is recirculated to the heat exchanger by means of a pump.

The invention discloses a method for synthesizing N,N-diethyl ethanolamine, which is to synthesize N,N-diethyl ethanolamine in one step in the presence of a catalyst by using diethylamine and ethylene oxide as raw materials, wherein the molar ratio of diethylamine to ethylene oxide in the reaction is (1-15):1, the synthesis reaction temperature is controlled to be 10 to 180 DEG C, the catalyst is added continuously at a speed of 5 to 10g/h, and the added amount is 0.1 to 2.0 percent based on the total mass of the catalyst and the two materials. The method has the following advantages that: 1) pure diethylamine instead of aqueous solution of diethylamine is used as the reaction raw material, so the energy consumption is low and the equipment efficiency is high; and 2) a tubular reactor with a jacket is adopted to transfer heat conveniently, which is favorable continuous operation.