251results about How to "Obvious technical advantages" patented technology

The invention relates to a low-temperature smoke denitration SCR (silicon controlled rectifier) catalyst, which comprises a carrier, a manganese oxide, and composite oxide of one or more of Ce, Zr, Ti, Co, Fe and Cu, the mass content of manganese is 0.1-66 percent, and the total mass content of the Ce, Zr, Ti, Co, Fe or / and Cu is 0-50 percent; and glass fiber and / or kieselguhr is used as the carrier, wherein the glass fiber of the carrier is calcined for 2-4 hours at temperature of 400-600 DEG C, then placed in a nitric acid, sulfuric acid or hydrochloric acid solution with mass concentration of 5-40 percent for acidizing for 1-8 hours, washed by distilled water to be neutered, dried at temperature of 80-120 DEG C, and crushed to have the fineness of 20-325 meshes. The catalyst uses the glass fiber and the kieselguhr as the carriers, so that the dispersion effect of nanoparticles and specific surface area of the catalyst are increased, the high adsorptive capacity and strong heat resistance and corrosion resistance capacity are achieved, stronger toxic resistance capacity to sulfur dioxide and stream contained in the smoke is realized, the invention can be used for 10-200 DEG C of low temperature smoke denitration, and has strong water resisting and sulphur toxic resisting capacities.

The invention relates to a low-temperature dry distillation process for coal, in particular to a high-efficiency lignite low-temperature dry distillation quality-enhancing process by using dry distillation coal gas as a heat-carrying medium. The process comprises a coal-preparing flow, a drying flow, a dry distillation flow, a heat source flow, a coal gas and tar processing flow and a semicoke cooling transfer flow; in the process, vapor self-generated by a drying tower is used as a drying medium, the coal gas of a generator is taken as a heat source to heat the self-generated dry distillation coal gas, and serves as a dry distillation medium, and the coal gas of the generator is used as fuel of a hot air furnace; the dry distillation semicoke is cooled in a cooling mode of drying fume exhaust plus semi water spraying; and condensation water is used for coke-quenching water, a gasifier of the coal gas of the generator and a tar cooling agent. The process has the advantages of producing high-index dry coal and dry semicoke, high-heating value coal gas and high-quality tar, having a flawless and high-efficiency energy recycling system, not using outside nature water, hardly discharging water to the outside, saving huge cost for sewage treatment, creating the maximum economic benefits for customers and having quite strong competitive power on economy, technology and market.

The present invention is process of treating refractory organic effluent with free radical and the electrically catalyzed reactor therewith. The present invention features that in an electrochemically hydrating proton reaction kettle and in the presence of initiator, free hydroxyl radical, superoxide anion free radical, free nitrogen radical, active free oxygen radical, etc are generated circularly and reacted in an electrically catalyzing high pressure reaction kettle with various kinds of refractory organic compounds for efficient decomposition. The present invention has high organic waste water degrading rate and low cost, and is suitable for high concentration organic waste water treatment in papermaking, petrochemical and other industry.

A method for manufacturing tobacco sheet taking substrate as a carrier through a dry paper making method comprises the following steps: spraying slurry onto the right side of the substrate through a high pressure spraying method, and meanwhile carrying out negative pressure suction across a wire belt to the reverse side of the substrate; then sending the substrate into an oven and carrying out medium temperature baking and humidity discharging under the condition that the temperature of the substrate is 55 DEG to 70 DEG, and enabling hot air inside the oven to flow directional from the right surface of the substrate to the reverse surface of the substrate to carry out humidity discharging; sequentially, carrying out normal temperature humidity discharging treatment; setting medium temperature baking and humidity discharging time and the normal temperature baking and humidity discharging alternatively; and repeating the steps on the reverse side of the substrate, namely a tobacco sheet is prepared. The substrate is prepared by that scattered material is evenly paved and absorbed onto a formation fabric for dry paper making to form a fiber thin layer under the vacuumpumping of a vacuum air pumping device under the formation fabric, and carrying out antistatic-electricity treatment; and spraying adhesion agent onto a fiber thin layer, under the combination of mist spraying and vacuum take-off on sprayed back surface; and finally carrying out drying.

The invention relates to a method for detecting the content of mycotoxins in wheat. The mycotoxins in the wheat are detected by utilizing high performance liquid chromatography-tandem mass spectrometry, and the mycotoxins related to the detection are deoxynivalenol (DON), 3-acetyl (Ac)-DON, 15-Ac-DON, zearalenone (ZEN) and T-2 respectively. The detection method specifically comprises the following steps of: crushing wheat samples by using a crusher, and obtaining coarse extract by using an extracting solution; obtaining a purified toxin extracting solution by using an amino column; preparing mixed toxin standard liquid with different content; detecting each mycotoxin in the toxin extracting solution by adopting the high performance liquid chromatography-tandem mass spectrometry; and obtaining a regression equation of mycotoxin content relative to a peak area according to detection results of the mixed toxin standard liquid, and calculating the content of the DON, the 3-Ac-DON, the 15-Ac-DON, the ZEN and the T-2 in the wheat sample.

The invention discloses a method for manufacturing a light GMT board. The method mainly comprises the following steps: making semi-finished felt by a method of mixing chopped modified alkali-free glass fiber and chopped modified polypropylene fiber; producing an evenly impregnated glass fiber chopped mixed felt by dusting, electrostatic impregnation by a dry method and compound needle punching, and making the light GMT board by baking plasticization, fusing impregnation, compound filming, non-woven fabrics covering, continuous rolling, cooling, shaping and edge trimming. The method has the advantages of low energy consumption, high yield, good impregnation uniformity and rapid continuous production speed, the board structure is changed by controlling the content of the glass fiber and resin so that the cost is greatly reduced, and the method is applicable to industrialized production. Meanwhile, the light GMT board can replace wood or steel for environment-friendly recycle. The board also has a sandwich froth layer which enhances expanding, thermal insulation and sound insulation performances of the board, thus achieving unification of light weight and high rigidity.

The invention belongs to the vision measurement technology and machine element detection, in particular to a multi-camera combination based method for online measuring an engine cylinder combination face hole group. Aiming to design a scheme for quick measuring an engine cylinder combination face hole group based on multiple vision sensors combination and meet the detection requirements of intelligence, quick speed, high precision and low cost in production lines, the invention adopts the technical scheme that two locating holes at the bottom of an engine are taken as a standard to establish a measurement coordinate system, a measurement camera is matched with a high-precision mechanical guide rail driven by a stepping motor for carrying out mechanical scanning to realize circular hole image acquisition of the engine cylinder combination face hole group, meanwhile, a high-precision grating sensor on a grating ruler is used for synchronously measuring the position of a measurement camera acquisition line and at last the diameter and position measurement results of the engine cylinder combination face hole group relative to the measurement coordinate system are obtained by computer digital image processing and space coordinate conversion. The invention is mainly applied to machine element measurement.

The invention belongs to the technical field of ore deposit exploration, and particularly relates to a hydrothermal type uranium ore deep detection method. The method comprises the following steps: according to the ore-forming rule of a hydrothermal type uranium ore, determining the ore-forming perspective area; carrying out electromagnetic sounding through an audio earth electromagnetic instrument in a tensor or scalar measurement mode; carrying out total magnetic field intensity measurement and gradient measurement in the section continuous measurement working mode by means of a high-precision magnetometer; carrying out radon measurement in the air-exhaust measuring mode by means of a radon measuring instrument; according to above measurement results, obtaining the ore-forming environment information and the direct ore-forming information in combination with known geological data; and predicting the beneficial part of the uranium ore-forming process. According to the invention, the geological structure information of the uranium ore forming environment can be obtained, and the indirect ore exploration can be realized. Meanwhile, the direct information of the uranium ore forming can be obtained, and the direct ore exploration can be achieved. Compared with a traditional radioactivity measurement and ore exploration method, the accuracy and the efficiency of ore exploration areremarkably improved. Especially, the method has a good ore exploration effect for deep ore exploration.

The invention provides a manufacturing method of a lost-foam casting foaming mold. The invention is characterized in that the manufacturing method comprises the following steps: firstly, the three-dimensional CAD model of a casting part is manufactured, and a colophony prototype used for casting a blank of the foaming mold is manufactured through a rapid molding machine; secondly, a colophony prototype used for casting an electric spark working electrode is manufactured; thirdly, the inner cavity structure of the blank of the foaming mold is copied by using a colophony prototype with the same size with the casing part and silica gel; fourthly, the blank of the foaming mold is cast by using the composite ceramic shell casting technology; fifthly, the electric spark working electrode is cast by using the colophony prototype for enlarging the size of the casting part by 0.5-1.5 mm and the composite ceramic shell casting technology; and sixthly, the blank of the foaming mold is processed by using the electric spark and assembled to obtain the foaming mold. The invention is suitable for manufacturing the foaming mold with a complex-shaped inner cavity, can rapidly obtain the blank and the electrode of the foaming mold, enables the chrematistics of the arbitrary prototype with a complex shape through the rapid molding technology to be displayed more obvious as for the more complex shape and realizes the rapid manufacture of the lost-foam casting foaming mold.

The invention discloses a spatial small aircraft formation flying control system. The spatial small aircraft formation flying control system comprises a task planning system, a formation calculation module, a primary aircraft control module, a formation pattern control module and a secondary aircraft control module, wherein the task planning module is used for sending a mission spatial characteristic and a target characteristic to the formation calculation module; the formation calculation module determines the optimal formation pattern of the spatial small aircrafts and sends the optimal formation pattern to the formation pattern control module; the task planning module is also used for sending a commanded flying state to the primary aircraft directly; the primary aircraft control module performs flying control to obtain a practical motion state; the formation pattern control module calculates to obtain a commanded motion state of a secondary aircraft and sends the calculation result to the secondary aircraft control module; the secondary aircraft control module performs flying control to obtain the practical motion state.

The invention discloses a synaptic transistor based on a two-dimensional semiconductor material and a preparation method of the synaptic transistor. The synaptic transistor comprises an insulating substrate, and a channel, a source electrode, a drain electrode and a gate electrode which are arranged on the substrate, wherein the channel is a two-dimensional semiconductor material; the source electrode and the drain electrode are arranged at the two ends of the channel respectively and form an ohmic contact with the channel material; the gate electrode and an electrical interconnection system formed by the channel, the source electrode and the drain electrode are kept in electronic insulation; an organic electrolyte covers a channel region and most of the gate electrode and comprises an organic carrier capable of being electrically insulated and ions capable of being migrated, and effective ion control of the gate to the channel material is formed. According to the synaptic transistor based on the two-dimensional semiconductor material and the preparation method of the synaptic transistor, an ion attachment-intercalation mechanism is utilized, and the characteristics of large surface area and adjustable resistance value of the two-dimensional material are combined, so that the device shows long-term and short-term synaptic plasticity, and the two characteristics can change witheach other along with the change of a gate signal. Meanwhile, the device has good linearity and ultralow operational power consumption, and the implementation and large-scale integration application of a high-precision neuromorphic device are facilitated.

The invention relates to the technical field of antibody drugs, in particular to an anti-Claudin 18.2 antibody or antigen binding fragment thereof as well as a pharmaceutical composition containing the anti-Claudin 18.2 antibody or antigen binding fragment and application thereof. The antibody has the remarkable binding activity and affinity with Claudin 18.2 and has the high-efficiency in-vitro ADCC killing activity on tumor cells. The anti-Claudin 18.2 antibody or antigen binding fragment thereof can be applied to preparation of anti-tumor drugs and has the broad market prospects.

The invention discloses a macromolecular photoinitiator containing diphenyl ketone groups and a preparation method of the macromolecular photoinitiator. The general structural formula of the macromolecular photoinitiator containing the diphenyl ketone groups is shown in the formula (I), wherein R1 refers to a methyl group or hydrogen; R2 refers to an alkyl group, hydrogen, an ethoxyl group or a hydroxypropyl group; R3 refers to an alkyl group, hydrogen or an ethoxyl group; R4-8 and R'4-7are separately selected from hydrogen or an alkyl group; R9 refers to a methyl group or hydrogen. The designed and synthesized macromolecular photoinitiator is obtained through copolymerization of a synthesized special polymerizable photoinitiator. According to the adopted polymerizable photoinitiator, two diphenyl ketone units contained in each molecule are fixed on two sides of a rigid triazine ring and are not contacted with each other, so that the probability of combination of adjacent free radicals is greatly decreased, and the photoinitiation efficiency is improved; meanwhile, the polymerizable photoinitiator contains amido hydrogen supply units, and accordingly, comonomers containing hydrogen supply components such as tertiary amine and the like are not required to be added additionally during preparation of the macromolecular photoinitiator.

The method discloses a dyeing method of an alkali-resistant dispersed dye used by dacron ultrafine fiber. The dyeing method comprises the following steps: destarching the dacron ultrafine fiber or fabric, washing the dacron ultrafine fiber or fabric with water, then adding a dye liquor consisting of the alkali-resistant dispersed dye and water, adjusting the pH value to be 10-12, slowly warming till the temperature reaches 120-135 DEG C, keeping the temperature for 45-90 min, carrying out dyeing, then washing the dyed dacron ultrafine fiber or fabric with water, and neatening the dacron ultrafine fiber or fabric. The alkali-resistant dispersed dye is azocyclodextrin-coated dispersed dye. The method combines the fiber opening and the dyeing of the dacron ultrafine fiber or fabric, adopts a one-bath-one-stage procedure, obvious shortens the process procedure, requires low energy consumption and discharges less wastewater.

A process for preparing the ball guiding tube of ballscrew includes such steps as preparing a plastic part from polycarbonate by injection moulding, using it as the embedded part of the mould for ball guiding tube, proportionally mixing the stainless steel powder with adhesive, filling the mixture in the mould to obtain the blank of ball guiding tube with said embedded part, immersing it in the mixture of dichloromethane and trichloroethene until said embedded part is fully dissolved, over-heat degreasing, pre-sintering, and sintering at 1350-1370 deg.C under the protection of H2 atmosphere.

The invention relates to a bactericidal and algaecidal composition for an intermediate water system, a prepration method and an application thereof, wherein, the composition comprises the following components of bisquaternary ammonium salt, modified quatemary ammonium salt, penetrating agent, synergist and water, wherein, the water is used as a solvent. The bactericidal and algaecidal compositioncan effectively prevent the propagation of bacteria and algae and other phenomena in cooling water. The bactericidal and algaecidal composition simultaneously has the roles of stripping slime, removing odor and the like. The result shows that the composition has significant bactericidal and algaecidal effects, the bactericidal rate of heterotrophic bacteria, iron bacteria, ammonifying bacteria andsulfate-reducing bacteria can be more than 95%, the bactericidal effect is excellent, the composition is applicable to water quality with complicated change (high high-temperature and float indicators, high ammonia nitrogen indicators, high oil indicators and high organic phosphorus indicators), a wide range of fluctuations and the like, the dose is small, and the excellent bactericidal and algaecidal requirements can be achieved by only 50-100mg / l. In addition, the product has small toxicity and easy degradation. Therefor, the composition has good economic benefits, environmental protectionbenefits and social benefits for enterprises.

The invention relates to a scale and corrosion inhibiting agent for the circular cooling water of an oxygen preparation plant as well as a method and an application thereof, which are characterized in that the scale and corrosion inhibiting agent comprises the following components: organic phosphonate, polycarboxylic acid multicomponent copolymer, copper corrosion inhibiting agent, zinc salt, polyaspartic acid and water, wherein the water is solvent. The scale and corrosion inhibiting agent can effectively prevent the formation of calcium carbonate, disperse calcium carbonate microcrystals, change the crystallization state of the calcium carbonate and have favorable performance for preventing the formation of calcium carbonate scale in the circular cooling water. The invention has the effect of preventing calcium carbonate incrustation under the complicated condition that the circular cooling water of the oxygen preparation plant is not only used by a high-temperature heat exchanger, but also used by low-temperature freezing water equipment and low-temperature equipment. Only 10-50 mg / L of scale and corrosion inhibiting agent can achieve the requirement of scale and corrosion inhibition, and the invention greatly saves the industrial water consumption amount and the economic cost and has favorable economic and social benefits.

The invention belongs to the field of metallurgy, and in particular relates to a method for smelting magnesium through vacuum thermal reduction of precast pellets. The method comprises the steps of: uniformly mixing dolomite, a reducing agent and fluorite by mass, and then adding a binding agent; preparing raw pellets with diameters of 5-20mm by using a disk pelleting machine; calcining the raw pellets under a nitrogen or argon protection atmosphere to obtain calcined cured pellets; and carrying out vacuum thermal reduction for 0.5-2 hours on the calcined cured pellets at a temperature of 1150 DEG C under the vacuum degree of 10 Pa to obtain the magnesium. The method has the advantages of high raw material utilization rate, high reduction rate, short reduction period, low energy consumption and the like; and compared with the traditional ferrosilicon process for smelting the magnesium, the method realizes the technical upgrading of the ferrosilicon process for smelting.

The invention provides a molded composite board with improved firmness, which comprises a lining layer and a heat insulating layer; a plurality of grooves or holes are correspondingly arranged on the opposite sides of the lining layer and the heat insulating layer; stuff enabling the lining layer and the heat insulating layer to be tightly bonded with each other is arranged in the grooves or holes or wedge-shaped buckles connecting and buckling the lining layer with the heat insulating layer are arranged in the grooves or holes; and the lining layer and the heat insulating layer are connected through the stuff which is tightly bonded or through the wedge-shaped buckles. The invention enables the bonding between the layers of the composite board to be firm, ensures that the layers do not disengage with each other and enhances the deformation resistance of the board. The invention solves the problems of easy deformation, the hidden trouble that the heat insulating layer disengages with the lining layer and poor strength in the prior art. The molded composite board does not need to be notched during site construction and is simple to construct and easy to operate, and the molded composite board is lower in price as compared with the prior art (aluminum sandwich composite panel) and has more obvious technological advantage, therefore, the molded composite board has higher application value and market popularization value.

The invention relates to an electrothermal-driven in-plane bistable radio frequency microswitch belonging to the technical field of micro electromechanics. The electrothermal-driven in-plane bistable radio frequency microswitch comprises an electrothermal-driven mechanism, a mechanical locking mechanism and a signal conversion mechanism, wherein the electrothermal-driven mechanism is positioned under the mechanical locking mechanism; and the mechanical locking mechanism is connected with the signal conversion mechanism. The invention can realize the mechanical locking by using a pair of locking contacts, does not require continuous power consumption when keeping in a stable state, also fully develops the advantages of large driving force, high displacement power density and convenient integrated manufacture of an electrothermal driver and can be used as the actuation form of the mechanical locking structure of the switch. The switch has simple structure, foreseeable radio frequency (RF) characteristic, possibility of batch manufacture and practical application and suitability for integral manufacture.

The invention aims at providing a three-dimensional electrical impedance tomography method based on crisscross-arranged electrodes, comprising the following steps of: (1) putting the electrodes on the surface of a body to be measured of a three-dimensional image, wherein the electrodes are crisscross arranged on the surface of the body to be measured of the three-dimensional image; (2) obtaining a corresponding finite element model through the body to be measured of the three-dimensional image, carrying out data acquisition on the finite element model by the electrodes, and computing a differential voltage signal yi=vi-v0 according to the acquired data; (3) computing the approximate value of the change of the specific conductance of the body to be measured of the three-dimensional image; and (4) computing the obtained approximate value within the finite element model to be displayed, wherein the displayed image is a real-time difference image of the body to be measured of the three-dimensional image. The electrodes are crisscross arranged on the surface of the body to be measured of the three-dimensional image, compared with the prior art, the method can obviously improve the reconfiguration quality of the three-dimensional image and the detection sensitivity of a target.

The invention provides a single-channel time-frequency high-precision transmission device, which comprises a local end and a remote end which are transmitted through a single channel and the local endcomprises a first time-sharing module and the remote end comprises a second time-sharing module, the first time-sharing module and the second time-sharing module transmit second pulse signals and frequency signals between the local end and the remote end in a time-sharing manner, and every 1 second is divided into 2N time periods; in the T1 time period, the local end sends the second pulse signalto the remote end, and the remote end receives the second pulse signal; in the T2 time period, the remote end sends the second pulse signal, and the local end receives the second pulse signal; in theT<2n-1> time period, n is equal to 2-N, the local end sends a frequency signal and the remote end receives the frequency signal; and in a T2n time period, the remote end sends the frequency signal, the local end receives the frequency signal, wherein the frequency signal and the second pulse signal are taken as time signal marks, the second pulse signal is taken as a time coarse mark, the frequency signal phase is taken as a time fine mark, and a fixed alignment relation is kept between the frequency signal phase and the second pulse signal.

The invention discloses a bottom opening type flap gate and a water storing and draining method implemented by the same. The bottom opening type flap gate comprises a dam, a gate leaf supporting seat, a gate leaf shaft, bottom water-stop rubber, a gate leaf, a sliding shaft, a slide rail, side water-stop rubber, a hydraulic cylinder, a strut, a cylinder shaft, a cylinder supporting seat, a strut shaft, a strut supporting seat, a hydraulic system, a buttress, a sealing block and a poured adjusting layer. The bottom opening type flap gate and the water storing and draining method have the advantages that the bottom opening type flap gate and the water storing and draining method are applicable to storing and draining water for river channels, a gate can be opened during water storing and can be closed during water draining completely by means of controlling the hydraulic system, and is supported by the strut when in closed or open state, and the hydraulic system is in a closed state, so that the hydraulic cylinder can be prevented from being stressed for a long time; the gate can be opened until the gate leaf is in a horizontal state, so that the water draining capacity can be maximized; various shortcomings such as impact damage due to objects, impurity blockage, shaking, flapping, floating and the like of the traditional flap gate can be overcome; a remote real-time monitoring effect can be realized by the aid of the hydraulic system, the bottom opening type flap gate is simple in structure, the cost is low, and technical merits are obvious.

The invention relates to an azimuth rotation static-pressure support system of a tower solar thermal power generation heliostat. The tower solar thermal power generation heliostat includes a tower frame, a hydraulic motor speed reducer, an azimuth rotating unit and a pitching motion unit. The system designs chute and slide ring structures, and injects oil to the lower bottom end surface of a slide ring and the upper flat end surface of a chute through a pressure reducing valve, a one-way valve and a capillary throttling valve, so that the lubricating performance is greatly improved, the rotating torque of the tower heliostat azimuth is reduced by 70% compared with the torque of a mechanical drive, the azimuth rotation driving torque is largely reduced, the sizes of the driving device and the hydraulic motor are both largely reduced, and the cost of the azimuth driving device is correspondingly reduced.

The invention belongs to the technical field of solar power storage / supply and in particular relates to an off-grid independent solar power storage / supply system and method. The off-grid independent solar power storage / supply system disclosed by the invention comprises a power supply path from a solar circuit to an alternating current load, which is composed of a solar generating assembly, a monitoring protective circuit A, an MPPT (maximum power point tracking) and DC / DC (direct current) circuit, a voltage regulating circuit, an inverter circuit, a monitoring protective circuit C and the alternating current load which are connected; and multiple storage battery packs, a monitoring and optional switching circuit B, an automatic electricity compensation circuit and a voltage regulating circuit are connected to jointly form an electricity compensation circuit path, an unstable solar circuit is stabilized by adopting an electricity compensating manner, electricity demand when load power changes can be met, stability of power supply is guaranteed and influence and damage of instant heavy current to the storage batteries are effectively solved by virtue of electricity compensation power supply of a storage capacitor, and more than 60% of storage battery arrangement and investment can be reduced and utilization rate of solar power is greatly improved under the condition of the same power supply capability.

The invention discloses a tomato sweet-and-sour juice which consists of the following components according to parts by weight: 10-15 parts of tomato paste, 30-35 parts of white granulated sugar, 12-16 parts of white vinegar, 0.8-2 parts of salt, 0.5-1.5 parts of concentrated lemon juice, 0.2-0.6 parts of citric acid, 0.004-0.012 parts of spices, 0.1-0.3 parts of xanthan gum, 0.04-0.08 part of pectin, and 34-37 parts of water. The tomato sweet-and-sour juice has a quality guarantee period being 18 months for storage under normal temperature, and is refrigerated after the can is opened in general, and can be stored for one to two weeks under normal temperature after the can is opened, so that the tomato sweet-and-sour juice facilitates storage of various users, and is convenient to use, convenient and easy to store, red and natural in color. As a sweet-and-sour product, the flavors of tomato and lemon are contained in the sweet-and-sour flavor, and the acidity is mostly from tomato and lemon so that the acidity is relatively natural. Besides the taste, the tomato sweet-and-sour juice also mostly meets the requirement on normalized cooking in modern catering industry simultaneously, so that the stability and the standardization of food and beverage taste get rid of dependency on seasoning by cooks.

A puller device which is used for detaching an annular component from an assembling shaft thereof comprises a supporting platform, a maintaining mechanism and a driving mechanism. The supporting platform is used for bearing internal stress generated by the puller device in an operation process. The maintaining mechanism is supported by the supporting platform and is used for preventing the annular component from moving in the axial direction in a detaching process. A pair of pulling blocks is arranged at the tail end of the maintaining mechanism in the longitudinal direction, can surround the assembling shaft to form a pair of lips of which the radial sizes correspond to the radial size of the annular component after being folded, and is used for fastening an end surface of one side of the annular component in a detaching process to prevent the annular component to move along the assembling shaft in the axial direction in a detaching process. The driving mechanism is supported by the supporting platform, and is used for applying a separation acting force to the assembling shaft in a detaching process to force the assembling shaft to be separated from the annular component in the axial direction. The lips of the pair of pulling blocks are opposite, and are arranged on a pair of parallel sliding rods in parallel in a striding manner. At least one pulling block can move along the pair of sliding rods so as to adjust the distance between the pulling block and the other pulling block, and the pulling block can be positioned on the pair of sliding rods in a lockable mode through a positioning component.

The invention discloses an integrated treatment method and device for flue gas wet-type phase-change ultraclean dust removal and rime fog removal. The method comprises the following steps of 1, cooling, wherein to-be-treated flue gas is cooled, so that saturated wet flue gas is subjected to phase change and liquefied into liquid drops; 2, liquid drop agglomeration and dust removal, wherein flue gas containing the liquid drops continues to be collided and agglomerated under the function of a rotational flow plate, and formed water drops adsorb flue gas dust in the falling process; 3, rime fog removal, wherein the flue gas treated in step 2 and the gas subjected to rime fog removal are sufficiently mixed before flue gas is discharged, unsaturated flue gas is formed, and then the treated fluegas is directly discharged. By means of the integrated treatment method and device, the purpose of dust removal and rime fog removal of wet-type desulfurized flue gas is effectively achieved, the moisture in the discharged flue gas is recycled while the problem of tailing of visual organs is solved, the water resource is saved, and the purposes of environmental protection, standard reaching, andultralow near-zero discharge are achieved.

The invention discloses a chlorine removal method for recycle use. The method is characterized in that the method comprises the following steps: combining red powder which is a chlorine removal agent Cu2O with chloride ions in a leachate to generate a white precipitate Cu2Cl2, and filtering a liquid to obtain a chlorine qualified liquid and chlorine removal residues; reacting the chlorine removal residues with an alkali to reduce to the red powder precipitate Cu2O and a sodium chloride solution; and filtering to obtain a solid phase which is water-containing regenerated Cu2O which can be recycled to remove chlorine as the chlorine removal agent, and evaporating and crystallizing the liquid phase which is the sodium chloride solution to produce sodium chloride crystals. According to the invention, the chlorine removal agent Cu2O is used to remove chlorine, but chlorine is removed through the action of the alkali after conversion; and a large amount of the chlorine removal agent Cu2O is used for the first time, and then the regenerated Cu2O is used for chlorine removal, and a trace amount of lost Cu2O is supplemented. The method has the advantages of advanced and simple technology, no wastewater discharge, and substantially reduced cost.

Provided are a double-stranded nucleic acid and use thereof in ribonuclease detection, and a ribonuclease detection method and use thereof in tumor detection and / or diagnosis. Specifically, a double-stranded nucleic acid substrate comprises at least one ribonuclease sensitive site. The activity and content of the ribonuclease in a sample are detected by analyzing the degradation of the double-stranded nucleic acid substrate by the ribonuclease. Also provided are a ribonuclease detection kit and a tumor detection kit.