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 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 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 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 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 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.

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.