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35results about How to "Avoid partial damage" patented technology

High-voltage lithium ion battery, composite electrode couple and preparation methods of high-voltage lithium ion battery and composite electrode couple

The invention discloses a high-voltage lithium ion battery, a composite electrode couple and preparation methods of the high-voltage lithium ion battery and the composite electrode couple, which belong to the technical field of lithium ion batteries. The composite electrode couple provided by the invention comprises a porous diaphragm, an anode mixture and a cathode mixture; one surface of the porous diaphragm is coated with the anode mixture which comprises an anode active material, a conductive agent and an adhesive; and the other surface of the porous diaphragm is coated with the cathode mixture which comprises a cathode active material, the conductive agent and the adhesive. The high-voltage lithium ion battery provided by the invention comprises the composite electrode couple, a composite current collector and an electrolyte, wherein a block body is formed by alternately superposing a plurality of composite electrode couples and composite current collectors; the composite electrode couples in the block body are soaked in the electrolyte; an electronic conductive adhesive layer with the thickness being less than 10 microns is arranged between each composite electrode couple and each composite current collector; and the composite current electrodes are arranged on the upper surface and the lower surface of the block body. The high-voltage lithium ion battery provided by the invention has the advantages of high voltage, good safety, good consistency and the like.
Owner:BEIJING HAWAGA POWER STORAGE TECH +1

Process for manufacturing Wolter-I reflector by means of copying

The invention discloses a process for manufacturing a Wolter-I reflector by means of copying. The process includes the following steps that: a precision mandrel used for copying is manufactured; a DLCfilm is applied by means of the PVD (Physical Vapor Deposition) process; a gold film reflective layer is applied by means of the PVD process; a reflector shell is obtained through electroforming; thesurface of the reflector shell is trimmed; a reflector is released from the mandrel in a low-temperature refrigeration room by using a mold release device; and the surface of the reflector is washed.According to the process of the invention, DLC is applied between the copying gold film and the surface of the mandrel so as to be adopted as a release layer, and therefore, the gold film can be effectively prevented being damaged, and the smooth release of the gold film from the mandrel can be facilitated; the gold film is plated at the rotation surface and two end surfaces of the mandrel simultaneously, and therefore, electroforming nickel can be prevented from infiltrating between the gold film at the end surfaces of the mandrel and the surface of the mandrel during an electroforming process; electroforming time can be prolonged, the strength of the reflector shell is increased, the deformation of the reflector shell is prevented, and the reflector shell is easy to shell, transport andinstall; and the mandrel is made to be separated from the reflector shell through an auxiliary shelling device in the low-temperature room, and therefore, the manufacturing cost increase of the reflector and health hazards can be avoided.
Owner:HARBIN INST OF TECH

Sharpness removing and blunting treatment method and device for disc roller scissor blades

The invention provides a sharpness removing and blunting treatment method and device for disc roller scissor blades. Based on the magneto-rheological polishing treatment theory, the outer circumference of disc roller scissors is sleeved with an annular sleeve which is in clearance fit with the disc roller scissors and is of an inverted-N shaped groove body structure. Magnetic fields which are distributed in an inverted-N shaped mode are formed on the annular sleeve. The annular sleeve is filled with magneto-rheological working liquid. The disc roller scissors rotate relative to the annular sleeve. Soft polishing is generated on the blades on the two sides of the disc roller scissors and in the positions close to two internal angles of the inverted-N-shaped groove body structure through the magnetic field edge effect, a removal function is achieved, and sharpness removing and blunting treatment is conducted on the disc roller scissor blades. By the adoption of the sharpness removing and blunting treatment method and device, the microcosmic profile shape of the disc roller scissor blades can be improved, and the abrasion resistance and the splitting quality of metal plates are improved; the problems that in the prior art, sharpness removing and blunting treatment is conducted on disc roller scissors manually, so that secondary damage problems, for example, the blade blunt round radius is large, and the blades are inconsistent in shape are solved.
Owner:GUANGDONG UNIV OF TECH

Bipolar plate for hydrogen fuel cell

The invention discloses a bipolar plate for a hydrogen fuel cell and relates to the technical field of hydrogen fuel cell design and manufacturing. The bipolar plate for the hydrogen fuel cell comprises an anode plate and a cathode plate, a gap between porous graphite plates of the anode plate and the cathode plate is filled with a fluorine joint filling material; the back surface of the anode plate and the back surface of the cathode plate are coupled to form a cooling flow field; when the back surfaces of the anode plate and the cathode plate are coupled, a first anode branch port and a second anode branch port form a first connecting line, a first cathode branch port and a second cathode branch port form a second connecting line, and the first connecting line and the second connecting line are arranged in a crossed manner; the groove of an anode flow field and the groove of a cooling flow field are arranged in an offset manner; and the groove of the cathode flow field and the groove of the cooling flow field are arranged in an offset manner. According to the bipolar plate for the hydrogen fuel cell, the gap of the porous graphite plates are filled with the fluorine gap filling material, so that the moisture absorption of the graphite plates is reduced, the expansion rate is reduced, the graphite plates are prevented from being broken due to overlarge expansion pressure in a limited space, the initial working efficiency is improved to a great extent, and a proton membrane is prevented from being damaged.
Owner:瑞达新能源(广州)有限公司 +1

Treatment method of micro organ

The invention provides a treatment method of a micro organ. The treatment method comprises the following step sequentially dialyzing a fixed micro organ in dialysate I for 2 to 5 days under 1 to 10 DEG C and in dialysate II for 4 to 8 hours under -40 to -15 DEG C, wherein a formula of the dialysate I comprises 1M of Tris alkaline solution which is prepared from 10 percent of Triton-X 100, 2 percent of BSA (Bull Serum Albumin) and 0.05M of NaCl, and the pH (Potential of Hydrogen) is 6.8; a formula of the dialysate II comprises ethanol and DMSO (Dimethyl Sulfoxide) which are 4 to 1 in volume ratio. The treatment method provided by the invention is used for carrying out sizing and whole permeation treatment on the micro organ, an original morphology of the micro organ is kept, and the purposeof enabling macromolecular matters to fully permeate each position without changing the structural morphology of the micro organ and tissue cells can be realized; the treated micro organ is capable of accurately and sensitively carrying out cellular or subcellular location and qualitative and relatively quantitative analysis on molecules on the micro organ by utilizing specific binding reaction of molecular matters and through corresponding observation means such as a fluorescent microscope. Aiming at the difficulties that internal organs of animalcules in the field of biology are very smalland a tissue section technique is difficult to implement for the internal organs, the method for researching in-vivo micro organ on molecular and cellular level is invented.
Owner:SOUTHWEST UNIV

A process for duplicating and manufacturing wolter-i mirrors

The invention discloses a process for manufacturing a Wolter-I reflector by means of copying. The process includes the following steps that: a precision mandrel used for copying is manufactured; a DLCfilm is applied by means of the PVD (Physical Vapor Deposition) process; a gold film reflective layer is applied by means of the PVD process; a reflector shell is obtained through electroforming; thesurface of the reflector shell is trimmed; a reflector is released from the mandrel in a low-temperature refrigeration room by using a mold release device; and the surface of the reflector is washed.According to the process of the invention, DLC is applied between the copying gold film and the surface of the mandrel so as to be adopted as a release layer, and therefore, the gold film can be effectively prevented being damaged, and the smooth release of the gold film from the mandrel can be facilitated; the gold film is plated at the rotation surface and two end surfaces of the mandrel simultaneously, and therefore, electroforming nickel can be prevented from infiltrating between the gold film at the end surfaces of the mandrel and the surface of the mandrel during an electroforming process; electroforming time can be prolonged, the strength of the reflector shell is increased, the deformation of the reflector shell is prevented, and the reflector shell is easy to shell, transport andinstall; and the mandrel is made to be separated from the reflector shell through an auxiliary shelling device in the low-temperature room, and therefore, the manufacturing cost increase of the reflector and health hazards can be avoided.
Owner:HARBIN INST OF TECH

Large-diameter shield tunnel deformation control structure and construction method thereof

ActiveCN113137273ALow work efficiencyPrevent uneven flotation or settlingMining devicesUnderground chambersShield tunnelingRock bolt
The invention discloses a large-diameter shield tunnel deformation control structure and a construction method thereof. The structure is installed in the construction period of a shield tunnel and comprises a bag expansion type dewatering and drainage pre-stressed anchor rod, a bag expansion type pre-stressed anchor rod, a water storage and drainage tank and a control system. The contact area between the bag expansion type dewatering and drainage pre-stressed anchor rod and a soil layer below the shield tunnel and the contact area between the bag expansion type dewatering and drainage pre-stressed anchor rod and a soil layer above the shield tunnel are increased through expansion type bags, the pulling resistance is increased, and uneven floating or settlement disasters of the large-diameter shield tunnel can be effectively prevented; prestress is symmetrically applied to the bag expansion type dewatering and drainage pre-stressed anchor rod and the bag expansion type pre-stressed anchor rod, resistance for convergence deformation is formed on a large-diameter shield tunnel section, and convergence deformation of the large-diameter shield tunnel section and engineering diseases possibly caused by the convergence deformation are effectively prevented and treated; and floating or sedimentation of the large-diameter shield tunnel is controlled through the combined effect of the bag expansion type dewatering and drainage pre-stressed anchor rod and the water storage and drainage tank.
Owner:江苏中车城市发展有限公司 +1

Radon precipitation simulation device based on low-frequency vibration and radon precipitation rate measurement method

The invention discloses a radon precipitation simulation device based on low-frequency vibration and a radon precipitation rate measurement method. The simulation device includes a power amplifier, a frequency sweep signal generator, a radon precipitation module, a drier and a radon measuring instrument; the radon precipitation module includes an exciting vibration radon extraction tank, top cover, vibrating rod and slide rail; the radon extraction tank accommodates uranium-like ore rock test block, the vibration exciter is fixed on the sliding rail and connected with the power amplifier, and the vibration rod is set on the vibration exciter and radon extraction tank In between, the slide rail is provided with a base platform that can move along the slide rail, and the radon precipitation tank is fixed on the base platform; an airflow circuit is formed between the top cover and the radon measuring instrument; the dryer is set between the gas outlet of the radon precipitation tank and the On the pipe path of the air inlet of the radon meter. The device can simulate radon precipitation of uranium-like ore rocks under low-frequency vibration and obtain experimental data through the device, so as to provide a data basis for studying the law of continuous radon precipitation rate variation of uranium ore rocks under the action of low-frequency disturbance loads.
Owner:NANHUA UNIV

Treatment structure of shield tunnel operation period over-limit convergence deformation and construction method thereof

The invention discloses a treatment structure of shield tunnel operation period over-limit convergence deformation and a construction method thereof. The structure comprises bag expansion type prestressed anchor rods, a waterproof layer, annular steel beams, longitudinal steel beams and diagonal bracing trusses. The contact area of the bag expansion type prestressed anchor rods and surrounding soil of a shield tunnel is increased through expansion type bags, so that the pulling resistance is increased; the prestress of the bag expansion type prestressed anchor rods which are symmetrically arranged on the section of the shield tunnel and the counterforce of jacks of the diagonal bracing trusses are applied cooperatively, so that the over-limit convergence deformation of the section of the shield tunnel can be efficiently treated, and the operation of the shield tunnel can be recovered as soon as possible; and after the section of the shield tunnel returns to normal, the bag expansion type prestressed anchor rods continues to be used normally so as to effectively serve the convergence deformation prevention and control in the whole life cycle of the operation period of the shield tunnel.
Owner:江苏中车城市发展有限公司 +2

Pipeline stress deformation test experiment device and method

The invention discloses a pipeline stress deformation test experiment device, and further discloses a pipeline stress deformation test experiment method. The device comprises an experiment management platform system, a stress test mechanism, a pressure transmitter and a stress transmitter, the experiment management platform system is connected with the stress test mechanism through a communication cable, and the pressure transmitter and the stress transmitter are connected with the experiment management platform system through communication cables. The device can quickly and accurately master the quantitative relation between the stress and the strain of the measured pipeline, can be used for verifying and calibrating various strain monitoring devices and methods, gives objective evaluation on the accuracy and effectiveness of the monitoring devices and methods, and is safe, reliable and high in practicability, and the strain monitoring data of the measured pipeline body are not interfered by other conditions. The stress of the measured pipeline can be prevented from being overrun and plastically deformed, so that the experiment has repeatability, the result repeatability is good, and the workload of effectively evaluating the monitoring result of the long measured pipeline in a field complex environment is greatly reduced.
Owner:北京科力华安地质灾害监测技术有限公司

High-efficiency drying equipment for gluten powder and its application method

The invention belongs to the technical field of food processing equipment, in particular to high-efficiency drying equipment for gluten powder, comprising a centrifugal dehydration assembly, the centrifugal dehydration assembly includes a filter mechanism, a fixing mechanism, a first pulley and a liner rod, and the filter mechanism is movably connected to The upper part of the fixing mechanism, the first belt pulley is arranged at the lower part of the fixing mechanism, and the first belt pulley is connected to the filter mechanism through a liner rod. The invention is used to solve the low filtration efficiency of the gluten solution in the prior art; when the gluten is stirred and dried, it may be quickly dried due to insufficient stirring, which is easy to cause agglomeration, which is not conducive to Problems such as fast drying of gluten. The invention also provides a method for using the high-efficiency gluten powder drying equipment, which is simple and convenient, and is convenient for the operator to operate. The operator can quickly dehydrate and dry the gluten powder through the equipment, and the whole process is automatic flow production without manual intervention. , high production efficiency and good quality.
Owner:JIANGSU FOOD & PHARMA SCI COLLEGE

A large-diameter shield tunnel deformation control structure and its construction method

ActiveCN113137273BService life cyclePrevention of convergence deformationMining devicesUnderground chambersDeformation controlShield tunneling
The invention discloses a large-diameter shield tunnel deformation control structure and a construction method thereof. The structure is installed during the construction period of the shield tunnel, and includes a bag-enlarged drainage prestressed anchor rod and a bag-expanded prestressed anchor rod , storage and drainage tank and control system; the present invention increases the contact area of ​​the bag-enlarged drainage prestressed anchor rod and the bladder-expanded prestressed anchor rod with the soil layer below and above the shield tunnel respectively by expanding the bladder , increasing the pull-out resistance can effectively prevent uneven floating or subsidence disasters in large-diameter shield tunnels; apply prestress symmetrically to the bag-enlarged drainage prestressed anchor rod and the bag-enlarged prestressed anchor rod. The resistance to convergent deformation is formed on the section of the diameter shield tunnel, which can effectively prevent the convergence deformation of the section of the large-diameter shield tunnel and the engineering diseases that may be caused; through the joint action of the bag-enlarged drainage prestressed anchor rod and the storage and drainage box, control Floating or sinking of large diameter shield tunnels.
Owner:江苏中车城市发展有限公司 +1

High-efficiency drying equipment for vital wheat gluten and using method thereof

The invention belongs to the technical field of food processing equipment, and particularly relates to high-efficiency drying equipment for vital wheat gluten, which comprises a centrifugal dewatering assembly; the centrifugal dewatering assembly comprises a filtering mechanism, a fixing mechanism, a first belt wheel and a lining rod; the filtering mechanism is movably connected to the upper portion of the fixing mechanism; the first belt wheel is arranged on the lower portion of the fixing mechanism; and the first belt pulley is in transmission connection with the filtering mechanism through the lining rod. The problem that in the prior art, the vital wheat gluten solution filtering efficiency is low is solved; and the problems that when the vital wheat gluten is stirred and dried, due to insufficient stirring, the vital wheat gluten can be quickly dried, caking is easily caused, and quick drying of the vital wheat gluten is not facilitated are solved. The invention further provides a using method of the high-efficiency drying equipment for the vital wheat gluten, the method is simple and convenient, operation of operators is facilitated, the operators can rapidly dehydrate and dry the vital wheat gluten through the equipment, automatic flow production is achieved in the whole process, manual intervention is not needed, the production efficiency is high, and the quality is good.
Owner:JIANGSU FOOD & PHARMA SCI COLLEGE

A control structure and construction method for overrun convergence deformation of shield tunnel during operation period

The invention discloses a control structure and a construction method for over-limit convergence deformation of a shield tunnel during the operation period. The structure includes a bag-expanded prestressed anchor rod, a waterproof layer, a circumferential steel beam, a longitudinal steel beam, and a paired truss ;The contact area between the expanded bladder prestressed anchor rod and the surrounding soil layer of the shield tunnel is increased by the enlarged bladder, and the pull-out resistance is increased. The expanded bladder prestressed anchor rod symmetrically arranged on the section of the shield tunnel The application of the prestressing force and the application of the jack reaction force to the support truss, the two work together, can effectively control the over-limit convergence deformation of the section of the shield tunnel, and resume the operation of the shield tunnel as soon as possible; after the section of the shield tunnel returns to normal, the capsule The expanded prestressed anchor will continue to be used normally, effectively serving the prevention and control of convergence deformation during the entire life cycle of the shield tunnel in operation.
Owner:江苏中车城市发展有限公司 +2

Novel tunnel construction ventilation system based on high-pressure air supply and ventilation method thereof

The invention discloses a novel tunnel construction ventilation system based on high-pressure air supply and a ventilation method thereof, and relates to the technical field of tunnel construction ventilation. The ventilation system comprises an air supply power system and an airflow conveying system, wherein the air supply power system is arranged at a tunnel inlet to form high-speed airflow; the airflow conveying system is arranged in a tunnel hole, can extend to the tunnel inlet to be connected with the air supply power system and is used for conveying high-pressure airflow into a tunnel; the airflow conveying system comprises a high-pressure conveying section and an airflow diffusion section; and high-speed airflow formed by the air supply power system can sequentially pass through the high-pressure conveying section and the airflow diffusion section to enter the position near the tunnel face and form diffuse type airflow. By implementing the technical scheme, the problems that an existing tunnel construction ventilation system is insufficient in air supply, lags behind the construction progress and the like are solved, the construction progress and safety of a small-section long-distance tunnel can be effectively guaranteed, the ventilation efficiency is high, air loss is small, durability is high, and the operation and maintenance cost of equipment can be effectively reduced.
Owner:CHINA RAILWAY 23RD CONSTR BUREAU LTD

Heat-seal packaging equipment and cross-seal cutting device thereof

A cross-seal cutting device comprises a plurality of hot-pressing seals arranged on a cross-seal shaft, each hot-pressing seal is provided with a cutter groove, a slider, a lead screw nut, a rolling body, a cutter and an auxiliary part are arranged in correspondence to each hot-pressing seal, the cutter is arranged in the cutter groove, the rolling body is provided with a first end and a second end, the first end is abutted to a mounting portion of the cutter, the second end is abutted with the slider, the lead screw nut is arranged in the slider, the slider moves horizontally by adjusting the lead screw nut so that the rolling body can move vertically by being abutted with the slider and the fixing position of the cutter can be changed. The auxiliary part is arranged on the slider and is surrounded between the first end and the second end of the rolling body. The invention further provides heat-seal packaging equipment provided with the cross-seal cutting device. On the heat-seal packaging equipment, the auxiliary part is arranged on the rolling body, stress surface of the rolling body during rolling can be enlarged, local friction to relevant parts by the rolling body is reduced, and accordingly, local damages of the relevant parts can be avoided and the service life is prolonged.
Owner:海南金红叶纸业有限公司 +1
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