186results about How to "Realize multiple reuse" patented technology

The invention discloses an MOF (metal organic frameworks)-based magnetic nitrogen-doped carbon nano-tube material, a method for preparing the same and application of the MOF-based magnetic nitrogen-doped carbon nano-tube material. The MOF-based magnetic nitrogen-doped carbon nano-tube material can be used as an adsorption material. MOF are calcined at the high temperatures to obtain the MOF-basedmagnetic nitrogen-doped carbon nano-tube material. Carbon nano-tubes with large quantities of free N elements are generated on the surfaces of the MOF-based magnetic nitrogen-doped carbon nano-tube material while the appearance of the MOF is reserved. The MOF-based magnetic nitrogen-doped carbon nano-tube material, the method and the application have the advantages that the MOF are used as templates for the MOF-based magnetic nitrogen-doped carbon nano-tube material which is a magnetic carbon material prepared by the aid of the method, and are directly calcined at the high temperatures to obtain the magnetic carbon material; the carbon material is high in environmental stability as compared with MOF adsorption materials, and pi-pi conjugation can be formed by the carbon material and targetobjects by the aid of strong conjugation surfaces of the carbon nano-tubes; the MOF-based magnetic nitrogen-doped carbon nano-tube material is extremely high in magnetism as compared with commercialcarbon nano-tubes, and target object detection procedures can be simplified by the aid of MSPE (magnetic solid-phase extraction) methods; processes for preparing the MOF-based magnetic nitrogen-dopedcarbon nano-tube material are simple, and the MOF-based magnetic nitrogen-doped carbon nano-tube material which is a magnetic nitrogen-doped carbon nano-material is high in magnetism and super-high inenvironmental stability, has large specific surface areas, can be specifically bound with the target objects and has an excellent application prospect in the field of detection on the content of microcystin in lake water and the like.

The invention discloses a three-dimensional layered graphite-phase nitrogen carbide / MOF composite material and a preparation method and an application thereof; the composite material is formed by compounding g-C3N4 nanosheets and a metal-organic frameworks material, wherein the g-C3N4 nanosheets account for 1%-25% by mass. The obtained composite material takes a nitrogen carbide material having a graphene-like two-dimensional structure after stripping as a template, has addition of a metal central ion and an organic ligand and is prepared by using an oil bath solvothermal method; compared with a pure metal-organic frameworks compound, the composite material has the pore size and the pore volume significantly increased. The preparation process is simple; the obtained composite material has ultra-high organic dye removal ability, is easy to regenerate, can be used repeatedly, and has good application prospects in the fields of environmental remediation, sewage treatment and separation science and the like.

The invention relates to methods for preparation of a nano cellulose composite aerogel adsorbent and adsorption of heavy metal ions, and belongs to the technical fields of macromolecules, biomass materials and chemical crossing. In an aqueous solution, nano cellulose is mixed with a macromolecular polymer with strong humidification properties, and a structure of a hydrogel is regulated by means ofcircular freezing, thawing and freezing; the aerogel with shape recovery properties can be obtained by freeze drying, and is used as an adsorbent to remove heavy metal ions efficiently. The rapid andefficient deadsorption and regeneration of the aerogel adsorbent can be achieved by means of circular extrusion, absorption and displacement and extrusion, and the aerogel can be repeatedly applied to adsorption and removal of the heavy metal ions. The used raw materials belong to environmental friendly green material, and are safe, non-toxic and degradable. The method for preparation of the adsorbent is simple, the process is easy to control, and the adsorbent has shape recovery property in an aqueous solution, can be quickly and efficiently desorbed and regenerated, can be reused for many times, and has wide application prospects in the field of wastewater treatment.

The invention belongs to the technical field of new materials and particularly relates to a recyclable, efficient, efficient, low-resistance, antibacterial and haze-preventing air filtration material. The air filtration material includes a base material layer and a filter layer, wherein the filter layer is an antibacterial agent supported nanofiber layer and is prepared by adopting an in-situ growth method, and the base material layer is made of a non-woven fabric. The air filtration material produces the step-by-step interception-barrier effect on PM2.5 and can efficiently intercept PM2.5 tiny aerosol particles, the 2.5-micron particle filtering efficiency can be up to 100%, the efficiency of filtering 0.5-micron particles and 0.3-micron particles can be up to 99%, the air resistance is 37 Pa, and the gram weight is 22.89 g / m<2>. The air filtration material is simple, convenient and easy to operate, smoke particles absorbed onto the material can be removed through washing after the material fully absorbs smoke, and multi-time repeated utilization is achieved.

The invention discloses a novel compound metallic oxide base solid super basic catalyst, comprising 60-93 wt% of Mg-La binary composite oxide and 7-40 wt% of modified component, wherein Mg-La binary composite oxide comprises 11-33 wt% of magnesium oxide and 67-89 wt% of lanthanum oxide, and the modified component is potassium hydroxide, potassium nitrate, potassium fluoride or sodium hydroxide. The invention also provides a preparation method and the catalysis application thereof of the novel solid super basic catalyst. The solid super basic catalyst provided by the invention has simple component, high catalytic activity and simple and easy preparation; when applied to catalytic cyanogen ethylation reaction, the solid super basic catalyst has small catalyst dosage, does not corrode a reactor, has moderate reaction condition and belongs to an environmentally-friendly catalyst. After the reaction ends, the catalyst can be reused for several times by centrifugal separation.

The invention discloses a multi-effect distillation device only by using solar energy to desalt sea water or brackish water and the method. The device comprises three parts: a solar energy collector, a multi-effect evaporator and a condenser. The method of the device for desalting the sea water or the brackish water comprises the processes: vacuum of each effect evaporator is regulated; steam generated in each effect evaporator sequentially enters a condensation heat exchange tube in a next effect evaporator through a steam outlet of the effect evaporator; after the condensation, the fresh water is obtained, and energy for vaporizing the sea water or brackish water in the effect evaporator is provided. The invention has the advantages of simple desalting process and device as well as reliable operation and running and no consumption of other energy except that the solar energy supplies heat, which is particularly applied to areas short of the fresh water but rich in the sea water, brackish water and the solar energy.

The invention provides a method for producing antimicrobial peptide through fermentation of brevibacillus laterosporu. In fermentation of the brevibacillus laterosporu, when the yield of the antimicrobial peptide is no longer increased, active carbon is directly added into the fermentation liquor; as the active carbon adsorbs the fermentation product, the inhibiting effect of the product is relieved, and the density of the thallus and the yield of the antimicrobial peptide are greatly improved. According to the method, the active carbon is taken as an adsorption stripping coupling agent, has low cost, is environmentally friendly, and can be directly added in the fermentation process without being activated in advance; the antimicrobial peptide can be adsorbed without regulating the pH value of the fermentation liquor; and the method is simple and easy to promote, and the active carbon can be regenerated through desorption after fermentation, thus being recycled repeatedly, and lowering the production cost.

The invention provides a setting method of an elastic thread in an ejection type ligation device and an elastic thread ligation device. The setting method of the elastic thread comprises steps as follows: a loop is formed by the front end of the elastic thread in a slipknot form, the loop is arranged in a loop push piece at the front end of a gun head in a sleeving manner, a slipknot of the loop is clamped outside a thread clamping groove in the front end of the loop push piece, the elastic thread is arranged in the thread clamping groove, and the tail end of the elastic thread is finally clamped into a clamping groove in a gun handle and fixed in a direction of a gun barrel; the loop push piece is propped against an infected part, when an ejection block drives the loop push piece to move forwards, the loop is enabled to be separated from the loop push piece and is arranged on the infected part in a sleeving manner, the tail end of the elastic thread is taken down and tightened, the slipknot of the loop is propped by the thread clamping groove of the loop push piece, and the elastic thread is continuously tightened, so that the pore diameter of the loop of the elastic thread is reduced gradually. The invention further provides an ejection type elastic thread ligation device adopting the method. The ejection type elastic thread ligation device is simple in structure, convenient to operate, accurate in operation and applicable to treatment of hemorrhoids and other anorectal diseases, a wound surface of postoperative target tissue is small, and the probability of postoperative complications and hemorrhage can be reduced.

The invention relates to the technical field of coal seam pressure relief and permeability increasing equipment, in particular to a ball throwing type high-pressure hydraulic drilling and cutting integrated permeability increasing device. The device is characterized in that a drill rod is mounted on a hydraulic drilling machine and driven through the hydraulic drilling machine to axially rotate, adrill bit is fixed to the front end of the drill rod, a high-pressure manifold is connected to the rear end of the drill rod through a rotary joint, the high-pressure manifold is connected with a high-pressure hydraulic power pump station, and is connected with the tail end of the drill rod through the high-pressure rotary joint and used for conveying high-pressure water to the drill bit throughthe high-pressure sealing drill rod, a plurality of water jet nozzles are symmetrically mounted at the handle portion of the drill bit in the radial direction, the outlet pressure of the water jet nozzles is controlled through throwing and non-throwing of sealing balls, and then the functions of low-pressure drilling, medium-pressure reaming and high-pressure slotting are achieved. According to the ball throwing type high-pressure hydraulic drilling and cutting integrated permeability increasing device, integrated operation of drilling advancing and water jet slotting is achieved, and operation procedures are effectively reduced; and in addition, the invention further provides a ball throwing type high-pressure hydraulic drilling and cutting integrated permeability increasing method.

In order to solve the problem of poor versatility and adaptability of spacecraft acquisition system, the invention provides a spacecraft capture system based on nozzle capture and satellite-rocket docking ring locking, which relates to the technical field of non-cooperative spacecraft acquisition. The invention comprises a six-degree-of-freedom adjusting device, which is used for adjusting the position and the posture of the locking device so as to make the locking device contact with the butt joint surface of the satellite-arrow butt joint ring; a capture device, when opposite to the nozzle position, is used for detecting the position of the nozzle throat of the spacecraft, controlling the airbag to enter the nozzle throat of the spacecraft and inflate the airbag, and using the airbag tolock the nozzle throat to realize capture; a locking device for locking the outer edge of the satellite-arrow docking ring from a radial direction using a locking member when the locking device is incontact with the docking surface of the satellite-arrow docking ring. The invention releases the capturing device to the nozzle throat of the target, and captures the target nozzle; by recovering thecapture device, the docking range of the capture device to the locking device is tightened; the locking device locks the target's satellite-arrow docking ring through the locking member.

The invention discloses a linkage control system and a linkage control method. The linkage control system comprises a scene management unit, a trigger management unit and an execution management unit,wherein the scene management unit is used for providing an interface for defining linkage actions and linkage scenes for users and outputting linkage scenes defined by the users to the trigger management unit; the linkage scenes respectively comprise a linkage trigger condition, a linkage execution manner and a linkage action quotation; the trigger management unit is used for receiving the linkage scenes from the scene management unit, judging whether the linkage trigger conditions of the linkage scenes are satisfied or not, notifying the execution management unit if the linkage trigger conditions are satisfied, receiving execution state changes from the execution management unit and updating the states of corresponding linkage scenes; and the execution management unit is used for receiving a notification of the trigger management unit, generating corresponding linkage actions, executing the linkage actions according to the linkage execution manner and feeding the execution state change of each linkage action back to the trigger management unit. The system and the method are capable of realizing primary development and repeated utilization of software.

The invention discloses a synthesis method of N-phenyl-3(4-bromophenyl) carbazole. The synthesis method is characterized in that carbazole is selected as a raw material and is subjected to Ullmann reaction with iodobenzene to prepare N-phenyl carbazole; N-phenyl-3-bromine carbazole is synthesized by NBS (N-bromosuccinimide) bromination; N-phenyl-3-boric acid base carbazole is prepared through Grignard coupling; and N-phenyl-3-boric acid base carbazole and p-bromoiodobenzene are subjected to cross coupling to obtain N-phenyl-3(4-bromophenyl) carbazole. The method provided by the invention has the characteristics of high yield, low production cost, less three-waste emission and high target compound selectivity and yield, a high-efficiency loaded catalyst is used, and isomer is reduced.

The invention relates to an item sharing method and system based on an intelligent hire-purchase showcase. The method comprises the steps that query information sent by a terminal is received, whereinthe query information comprises to-be-hired-purchased target item information; a target intelligent hire-purchase showcase containing a target item corresponding to the target item information is determined according to the query information sent by the terminal, and feedback information is generated; the feedback information is sent to the terminal; hire-purchase confirmation information which is sent by the terminal and used for confirming to hire-purchase the target item is received, and unlocking information is generated according to the hire-purchase confirmation information and sent tothe terminal; and unlocking information sent by the target intelligent hire-purchase showcase is received, hire-purchase expenses are deducted when the unlocking information passes through verification, the target intelligent hire-purchase showcase is unlocked, and the target item is released. According to the item sharing method and system, whether or not the corresponding item exists in the intelligent hire-purchase showcase in the set range is automatically matched according to the query information of a demander, the feedback information is generated and returned to the user, therefore, the user can quickly and accurately find the needed item, and the idle item utilization rate is increased.

The invention provides a method for preparing a steroid drug intermediate employing bioconversion phytosterol. The method comprises the following steps: 1) providing turbid liquid of phytosterol; 2) providing a resting cell of a microbial strain for converting the phytosterol into a steroid drug intermediate; 3) mixing the turbid liquid of the phytosterol with the resting cell, and adding beta-cyclodextrin or chemically modified beta-cyclodextrin to evenly mix, and cultivating to finish conversion; 4) centrifuging the conversion liquid obtained in the step 3), separating supernatant from thallus, separating to obtain the steroid drug intermediate from the supernatant by solvent extraction. By adopting the method provided by the invention, the sterol feeding concentration is improved, the target product quantity is increased, simple separation of the thallus, a cosolvent and a product is achieved when the conversion lasting time is shortened, repeated use of the thallus and the cosolvent for a plurality of times is achieved, the production cost is greatly saved, and the method is applicable to industrial production.

The invention relates to a viscose glue and a viscose glue plaster prepared from the viscose glue, wherein the viscose glue is capable of realizing non-trace adhesion and being repeatedly used for multiple times. The main components of the viscose glue include silica gel and a tackifier, the silica gel weight accounts for 40%-60% of the overall weight of the viscose glue, and the tackifier weight accounts for 40%-60% of the overall weight of the viscose glue. The viscose glue has high activity groups, and when in use, the viscose glue can fill gaps on the glued material surface to exclude air inside the gaps so as to enable the viscose glue to attach to the glued material surface. The viscose glue mainly depends on adsorption type adhesive force for attaching, so that the viscose glue is convenient to tear off, and no residual excess viscose glue may be left on an attached material. The viscose glue plaster prepared from the viscose glue, which has a certain pattern, can be widely applied to sticky hooks, hanging pasters, electronic product pasting films and other various home furnishing, advertising and printing products, and has a great applicable range and market prospect.

The invention discloses a super-high temperature liquid medium thermal convection experimental loop which comprises a linear track type box body heating furnace and a loop pipeline, wherein the linear track type box body heating furnace comprises a furnace body, a heater, a linear guide rail and a base frame; the loop pipeline comprises a melting tank, an extraction opening, a loop main body, an online sampling system, an air cooling dual-layer sleeve and an emptying pipe. Due to an optimized design of the linear track type box body heating furnace, specific temperature zone distribution required by thermal convection of the experimental loop is ensured; meanwhile, due to material selection and a structure of the loop pipeline, the requirement of performing a long-term corrosion experiment of a reactor candidate material in an super-high temperature thermal convection medium can be met. The super-high temperature liquid medium thermal convection experimental loop has the characteristics that the loop pipeline is simply and conveniently replaced, online sampling and installing can be realized, temperature controlling precision is high and the like, can be used for developing compatibility experiment research of the material in a flow medium, and is especially suitable for screening and developing the reactor high-temperature-corrosion-resisting material.

The invention discloses a C3N4-Bi2O3-BiOI-TiO2NTs visible-light response photocatalysis electrode as well as a preparation method and application thereof. The preparation method comprises the following steps of (1) preparing a sodium hydroxide alcoholic solution B and a bismuth nitrate pentahydrate ethylene glycol solution A containing g-C3N4, alternately leaching a TiO2NTs electrode with the solution A and the solution B, and washing the TiO2NTs electrode with absolute ethyl alcohol after each leaching; (2) drying the electrode obtained in the step (1), calcinating the electrode in air atmosphere, cooling the electrode, then flushing the electrode with distilled water, and airing the electrode so as to obtain a C3N4-Bi2O3-TiO2NTs electrode; and (3) immerging the C3N4-Bi2O3-TiO2NTs electrode into a KI ethanol aqueous solution, taking out the C3N4-Bi2O3-TiO2NTs electrode, firstly airing the C3N4-Bi2O3-TiO2NTs electrode, and processing the C3N4-Bi2O3-TiO2NTs electrode at a constant temperature of 70-90 DEG C for 8-12 hours. The preparation method of the electrode is simple; the C3N4-Bi2O3-BiOI-TiO2NTs visible-light response photocatalysis electrode is strong in visible-light response, can achieve an obvious effect on Cr(VI) wastewater treatment, has no second pollution and can be used for multiple times.

The invention discloses a method for preparing biodiesel by adopting magnetic carrier immobilized lipase. According to the method, the immobilized lipase magnetic nanoparticle catalyst is adopted for catalyzing the reaction, wherein the immobilized lipase magnetic nanoparticle catalyst is prepared by carrying out immobilization on lipase-producing bacteria by adopting magnetic nanoparticles as a carrier and by adopting a covalent cross-linking method. The technical scheme has the advantages that the technology is simple and feasible, the requirements on devices are low, the related catalyst is high in transesterification efficiency, in addition, the immobilized enzyme has high enzyme activity, is stable, is convenient to recycle and separate, and can be recycled, and moreover, strong acids and strong alkalis are not used, so that the pollution to the environment is reduced.

The invention provides a wastewater zero-discharge treatment system, which is composed of a waste-gas waste-heat utilization system, a low-temperature multi-effect horizontal pipe distillation system and an evaporative crystallization system, wherein the low-temperature multi-effect horizontal pipe distillation system is a MED (Multi-Effect Distillation) system; the waste-gas waste-heat utilization system comprises a combustion gas turbine capable of combusting gas to discharge high-temperature smoke, and a waste-heat boiler making use of the waste heat of the high-temperature smoke so as to obtain high-temperature steam; the low-temperature multi-effect horizontal pipe distillation system comprises a low-temperature multi-effect evaporator and a condenser; and the evaporation crystallization system comprises a stand-pipe falling-film evaporator making use of the high-temperature steam to purify wastewater and a drying device. The wastewater zero-discharge treatment system disclosed by the invention has the beneficial effects that low-grade energy can be used as a heating source to realize multiple reutilization of heat, so that distillation consumption is reduced greatly; and the concentration of brackish water is realized, so that crystallized salt is separated from distilled water and the zero discharge of the brackish water is realized.

The invention provides a virtual telephone calling method and device. The method comprises steps that calling instructions initiated by users are received; the calling instructions comprise virtual numbers; the users and calling objects corresponding to the virtual numbers are extracted from the pre-stored corresponding relationship list; the corresponding relationship among the virtual numbers, the users and the calling objects is stored in the list; the calling objects are called. The method is advantaged in that the want-to-call calling objects of the virtual numbers of the users are searched according to the stored corresponding relationship, problems of virtual number resource waste and the relatively low utilization rate caused by distributing the fixed virtual numbers to each set ofusers and calling objects can be avoided, multi-time reuse of the virtual numbers is realized, and the resource utilization rate of the virtual numbers is improved.

The invention belongs to the technical field of greening, and particularly relates to a roof greening device. The roof greening device comprises a frame body. A flower pond and a water storage tank are arranged on the frame body. Overflowing holes are formed in the periphery of the flower pond. A sewer is connected to the bottom of the flower pond. A drip irrigation faucet is arranged inside the flower pond. The water storage tank is connected with the drip irrigation faucet. In order to solve the problems in the prior art, the roof greening device is convenient to use, good in water drainage and storage effect, capable of reducing manpower and material resources and capable of recycling residual water to achieve the purpose of saving water resources.

The invention discloses a metal oxide / graphitic carbon nitride composite material having a three-dimensional structure, and a preparation method and application thereof. The composite material is prepared by compounding g-C3N4 nanosheets and metal oxides, wherein the mass percent of the g-C3N4 nanosheets is 1-25%.The composite material obtained by the invention is prepared by taking a carbon nitride material having a graphene-like two-dimensional structure after peeling as a template, adding metal oxide precursor and stabilizer, and reacting in a high-pressure reaction kettle under the condition of stirring. Compared with a pure metal oxide, the specific surface area of the composite material is obviously increased; and the defect of the metal oxide such as high agglomeration possibility is overcome, so that the adsorption capacity is greatly improved. Thus, the composite material has favorable application prospects in the aspects of removing sulfides in diesel and the like.

The invention provides a method for preparing immobilized cellulase and a method for hydrolyzing cellulose through the immobilized cellulase. The method for preparing immobilized cellulase is a crosslinked embedding method, sodium alginate serves as a carrier, gel is formed according to the principle that a ion exchange reaction happens between oxygen atoms of OH- and COOH- in sodium alginate andCa2+, glutaraldehyde serves as a crosslinking agent, polyethylene glycol serves as a pore-foaming agent and a hydrophilic agent, and by adding polyethylene glycol, the enzyme activity immobility and enzyme activity of the immobilized cellulase can be improved, the Michaelis constant is reduced, the pore density of the carrier surface is improved, and the reduction sugar content, enzyme hydrolysisyield and TS degradation rate of enzyme hydrolysis reaction are increased. In the process of hydrolyzing cellulose through the immobilized cellulase, the cellulase can be repeatedly used multiple times. The preparing and applying methods are easy to operate, mild in immobilizing conditions, low in investment and friendly to the environment.

The invention provides a connecting and separating device based on memory alloy wire driving, which comprises a driving end and a driven end, wherein the driving end comprises a shell, an outer sleeve, a fixed sheet, a compression spring, a rotary sleeve, a base, a memory alloy wire, a guide wheel, a lock pin, a limiting sleeve I and a limiting sleeve II, and the driven end comprises a screw rod,a loading nut, a separating piece and an adapter piece; the upper end of the screw rod is a threaded section matched with the loading nut, and the lower end of the screw rod is provided with multiplelayers of inclined bulges; the multiple layers of inclined bulges extend into the upper part of an accommodating space formed by the limiting sleeve I and the limiting sleeve II; when the memory alloywire is powered on, the memory alloy wire is shortened, the base and the lock pin move upwards, the lock pin relieves limiting of the lower ends of the limiting sleeve I and the limiting sleeve II, the two limiting sleeves rotate simultaneously, the lower portions of the limiting sleeve I and the limiting sleeve II are folded, the upper portions of the limiting sleeve I and the limiting sleeve IIare opened and separated from the screw rod, and the driving end and the driven end are separated. The device realizes rapid separation, and has the advantages of no impact, energy conservation, environmental protection, small size, high reliability and reusability.

The invention provides a flowmeter detection platform. The flowmeter detection platform comprises a liquid storage tank, a valve bank and a measuring cup; the upper end of the liquid storage tank is provided with an inlet valve; a flowmeter to be detected is arranged between the liquid storage tank and the measuring cup; the liquid storage tank is connected with the flowmeter to be detected through a guide pipe; the guide pipe positioned between the liquid storage tank and the flowmeter to be detected is provided with the valve bank; the flowmeter to be detected is connected with the measuring cup through a guide pipe. The flowmeter detection platform has the beneficial effects that the flowmeter detection accuracy is improved, the accuracy of the flowmeter to be detected under the velocity varying condition can be detected, liquid can be repeatedly utilized, the accuracy of the flowmeter to be detected can be quickly and efficiently detected, the accuracy of the flowmeter to be detected under the vibration condition can be detected, and the flow condition of the liquid in the detection process can be observed.

The invention belongs to the technical field of greening, and discloses a soil-free turf vertical greening control system based on a mobile terminal. The system comprises a matrix moisture monitoring system which is used for detecting the moisture content of soil; a matrix mineral substance monitoring system which is used for detecting the contents of mineral substances needed by the green plants in the soil; a soil moisture monitoring system and a soil mineral substance monitoring system, which enable the data to be transmitted to a mobile terminal control system; the mobile terminal control system which processes the received data, sends an instruction to a drip irrigation system and a fertilizer and farm chemical adding system, and enables the drip irrigation system and the fertilizer and farm chemical adding system to carry out the drip irrigation step and the fertilizer and farm chemical adding step, wherein the left water is supplied to the drip irrigation system again through a water storage filtering system. The system is characterized in that the system does not damage the territorial resources and achieves the reuse of water. The system is better in environment protection and energy saving, and has the great significance in environment protection and great practicality.

The invention discloses a connector used for a cable with low voltage and a large wire diameter. The connector comprises a joint body, pressing sleeves and tapered clamping blocks, wherein the joint body is a cylindrical conductor which is respectively provided with outer threads at the periphery of each of the two ends; concave holes are formed on the centers of end parts at the two ends of the joint body, and a cable joint is respectively contained in the concave hole on one end part; each of the pressing sleeves is a hollow barrel body which is provided with inner threads at two ends of the inner wall; the two pressing sleeves are respectively matched with outer threads at the two ends of the joint body; two cable joints are placed in the concave holes of the joint body after respectively passing through the pressing sleeve corresponding to each end, and are threaded and pressed with the outer threads at the two ends of the joint body by the pressing sleeves; the tapered clamping blocks are of hollow tapered structures matched with the concave holes of the joint body; the two tapered blocking blocks are clamped in the concave holes at the two end parts of the joint body after respectively penetrating through the two cable joints in a sleeved manner, and are used for clamping a cable. The connector disclosed by the invention can be used for quickly and detachably connecting the cable with the cable or terminal equipment, so that the problems that the existing cable is complex in connecting process, poor in detachable performance and poor in connecting and firming performances are solved.

The invention discloses preparation of interface self assembled carbonyl reductase and application thereof to S-eslicarbazepine synthesis. The interface self assembled carbonyl reductase is prepared by the following method that carbonyl reductase is added into a buffer solution; then, a methylbenzene solution with dissolved polystyrene is added; oscillation reaction is performed for 2 hours in a shaking bed under the conditions of dark environment, 80r / min and 30 DEG C; centrifugation is performed; a reaction system with the upper layer being an organic phase, the interface self assembled carbonyl reductase distributed in the oil water interface, and the lower layer being a water phase is obtained; the interface self assembled carbonyl reductase is obtained; the interface self assembled carbonyl reductase has a good catalysis function in the oil and water two-phase interface; the oxcarbazepine can be converted into S-eslicarbazepine; the enantiometric excess value of the S-eslicarbazepine is greater than 98 percent. In the water phase, the coenzyme NADH can smoothly realize the in-situ regeneration; the substrate conversion rate can be favorably improved. The interface self assembled enzyme can realize the multi-time repeated utilization, the advantage is incomparable by free enzymes.

The invention discloses atomic layer deposition equipment. The atomic layer deposition equipment comprises a reaction chamber, a main air inlet pipeline, a supply source bottle, a recycling source bottle and a control device, wherein the main air inlet pipeline is connected with the reaction chamber, the supply source bottle and the recycling source bottle are respectively connected to the main air inlet pipeline, and the control device is used for controlling the temperature of the supply source bottle and the recycling source bottle. When the main air inlet pipeline is opened, a first precursor is provided by the supply source bottle, and carrier gas carried with the first precursor is introduced into the reaction chamber through the main air inlet pipeline; when the main air inlet pipeline is closed, the supply source bottle communicates with the recycling source bottle through a recycling pipeline, and the first precursor which is provided by the supply source bottle is condensed and recycled by the recycling source bottle, so that the precursor is recycled and stored.

The invention provides a conduction cooling and milling knife for dry milling. The conduction cooling and milling knife for dry milling comprises a hilt and a milling knife body mounted at the lower end of the hilt, and further comprises a heat-conduction cooling bar and a plurality of cooling fins; and the heat-conduction cooling bar is arranged in the center of the milling knife body, the outersurface of the heat-conduction cooling bar is attached to the inner surface of the milling knife body, the upper end of the heat-conduction cooling bar extends out from the inside of the milling knifebody, and the cooling fins are attached to a peripheral surface of the extending end; and a heat exchange cavity is formed in the center of the hilt, cooling liquid which communicates with the heat exchange cavity enters a channel and cooling liquid flowing-out channels, the extending end of the heat-conduction cooling bar and the cooling fins which are welded to the extending end are accommodated in the heat exchange cavity, and the heat conductivity coefficient of the heat-conduction cooling bar is higher than that of the milling knife body. By a heat conduction principle, the knife is cooled in a dry cutting and milling process, and therefore, dry cut materials can be milled effectively.