73results about How to "Easy to move out" patented technology

The invention discloses a carbon nano tube/graphene composite negative pole material, a preparation method thereof and a lithium battery. The preparation method of the carbon nano tube/graphene composite negative pole material comprises the steps of placing graphene powder and a catalyst for carbon source splitting decomposition in a microwave reaction cavity, vacuumizing the microwave reaction cavity and leading protective gas into the microwave reaction cavity and using a microwave vapor deposition method to prepare the carbon nano tube/graphene composite negative pole material on a graphene base body growing carbon nano tube. A negative pole of the lithium battery contains the carbon nano tube/graphene composite negative pole material. The preparation method of the carbon nano tube/graphene composite negative pole material adopts the microwave vapor deposition method to perform in-situ preparation of the carbon nano tube/graphene composite negative pole material, does not needs a pre-synthesis process, reduces the production cost, adopts microwave heating and is efficient, low in energy consumption and short in production period. Due to the fact that the lithium battery contains the carbon nano tube/graphene composite negative pole material, embedding and taking-out of lithium are facilitated, the inreversible capacity of first-time charging and discharging is reduced, and the lithium battery is good in safety and high in power.

The invention discloses a preparation method for a nanoscale lithium titanate material with high specific capacity. The preparation method comprises the following steps: (1) preparing a liquid A; (2) preparing a liquid B; (3) under a condition of magnetic stirring, slowly adding the liquid B into the liquid A, so as to obtain a mixed dispersion liquid; (4) putting the mixed dispersion liquid into a high-temperature reaction still, then placing the high-temperature reaction still in a drying oven for reaction, after the reaction, naturally cooling to room temperature, leaching, washing with deionized water and absolute ethyl alcohol, and then drying under a condition that the temperature is 60-120 DEG C so as to obtain a precursor; (5) sintering the precursor for 1-5 hours in anitrogen atmosphere under a condition that the temperature is between 400-1000 DEG C, so as to obtain the nanoscale lithium titanate material; (6) immersing the nanoscale lithium titanate material in an acid solution with the hydrogen ion concentration of 0.01-14mol/L under a condition that the temperature is 20-200 DEG C, then leaching, washing with deionized water and absolute ethyl alcohol, and then drying, so as to obtain the nanoscale lithium titanate material with high specific capacity.

The invention discloses a lanthanum lithium titanate doped composite negative electrode material of a lithium ion battery and a preparation method thereof. Lithium titanate in nanoscale is prepared and meanwhile lanthanum doping modification is performed on lithium titanate according to the method. Chemical components and grain size of lithium titanate are effectively controlled by hydro-thermal treatment, so that subsequent treatment temperature is greatly reduced, particle conglomeration is prevented, and the method is more prone to industrial implementation. In preparation, lanthanum is doped, so that the discharge specific capacity of the material is improved. The material prepared according to the invention is great in multiplying power and high in specific capacity, and can be used for batteries required by various portable electronic devices and various electromobiles.

The invention discloses a preparation method of a nanoscale zirconium-doped lithium titanate material. Nanoscale lithium titanate is prepared by the method, and simultaneously is modified through doping zirconium. According to the preparation method, chemical components and grain sizes of the lithium titanate are effectively controlled by using hydro-thermal treatment, the temperature during subsequent treatment is greatly reduced, and grains are prevented from being agglomerated; and the preparation method is easy to implement in industry. The lithium titanate is doped with the zirconium in a preparation process, so that the specific discharge capacity of the material is increased at high magnification. Simultaneously, the gas expansion problem existing in the charge-discharge process of lithium titanate batteries is solved to a certain extent. The material prepared by the method has high magnification and high specific capacity and can be applied to the batteries needed for various portable electronic equipment and various electric vehicles.

The invention discloses a disk storage space managing method, apparatus and storage device. The method comprises the following steps of identifying an operation that a disk is inserted into the storage device, identifying whether a newly-inserted disk carries data according to metadata and file systems carried by the disk, and preserving data of the newly-inserted disk according to a user instruction and mounting the file systems of the newly-inserted disk into a shared catalogue in the storage device or mounting file systems of a disk array RAID of the newly-inserted disk into a shared catalogue in the storage device when the newly-inserted data carries data. The apparatus comprises a data identifying module, a data reserving module and a catalogue mounting module. By the use of the method, the device and the storage device, changes of the disk of the storage device can be sensed, so the user can preserve original data of the disk.

The invention relates to a connecting node of a beam and a column of building steel structures, in particular to a connecting node of a square steel pipe column and H-shaped steel beams for multi-layer and high-rise steel structures. The connecting node comprises a square steel pipe column, H-shaped steel beams and T-shaped steels; the T-shaped steels are arranged on the lateral wall of the square steel pipe column and the upper and lower wing edges of the H-shaped steels; webs of the T-shaped steels are connected with the wing edges of the H-shaped steel beams; and the wing edges of the T-shaped steels are fixedly connected with the lateral walls of the square steel pipe column. According to the connecting node of the square steel pipe column and the H-shaped steel beams, the connecting node is simple in structure, and the problem of construction difficulty in installing an internal separating plate is solved; a plastic hinge shifts outwards and better shock-absorbing property is achieved; the construction of an upper floor and the casting of concrete in the square steel pipe are not influenced; and the steel consumption is low. Therefore, the connecting node has high economic and social benefits.

The invention provides a turbot liver tissue cell in-vitro establishing method and application thereof. The method is characterized in that turbot liver tissue serves as the experimental material, the type-II collagenase enzymolysis approach is used for starting the primary culture of fish liver cells, and a novel L-15 compound culture medium where fetal calf serum of certain concentration, various growth factors and other nutritional components are added is used for cultivation in a biochemical incubator at a temperature of 24 DEG C. It is found through lipidosome transfer dyeing that transfer dyeing can be successfully conducted on turbot liver tissue primary culture cells through reporter plasmids such as pIRES2-EGFP. The method is easy and convenient to implement, high in repeatability, low in cost and rapid in cell growth, and an effective in-vitro cell model can be provided for research on the molecular cell biology of fish nutrition metabolism.

The invention relates to the technical field of refrigerators, in particular to a control method and system for a dual system refrigerator and the dual system refrigerator. The control method for the dual system refrigerator comprises the steps that after the defrosting process is completed, high-frequency operation freezing time control is conducted firstly, and then low-frequency operation temperature control is conducted. According to the control method for the dual system refrigerator, the defrosting recovery phase duration can be shortened, power consumption in the recovery phase can be reduced, and the refrigerating and freezing modes are rapidly recovered to the normal and stable operation states.

This invention describes a process for the dechlorination of iron antiquities, comprising the steps of: adding a cleaning agent and an amine inhibitor to an alkaline solution to prepare an alkaline dechlorination cleaning solution, and carrying out the cathode polarization dechlorination of iron antiquities in the said solution at a constant electric potential. This invention overcomes such problems as a certain degree of corrosion existing in the traditional dechlorination processes for iron antiquities or the damage to the intrinsic appearances of iron antiquities led by the abscission of the rusty layer resulting from hydrogen evolution caused by high local current in the electrochemical reduction method, and provides a rapid, effective and more protective process for the dechlorination of iron antiquities.

The invention specifically relates to hydroxy polyester resin for a high-gloss powder coating, a preparation method thereof and application of the hydroxy polyester resin to powder coatings, belongingto the technical field of powder coatings. The hydroxy polyester resin for the high-gloss powder coating is prepared through polymerization of the following raw materials: terephthalic acid, 6-aminocaproic acid, domoic acid, 3,6-dithia-1,8-octanediol, 2-propenoic acid-2,18-dihydroxy-4,7,10,13,16-pentaoxanonadecane-1,19-diyl ester, neopentyl glycol, 3-(2,3-epoxypropoxy)propyl trimethoxy silane and3,5-di-tert-butyl-4-hydroxybenzyl alcohol. It has been determined that the obtained hydroxy polyester resin has good melt fluidity at 200 DEG C, low melt viscosity and long leveling time, and allowsa film to have high gloss. The hydroxy polyester resin is eventually applied to the powder coating cured by polyurethane B1530, can improve the surface gloss of the coating, and allows a coated boardsurface with high gloss to be obtained.

The invention discloses an outdoor high-weather-resistance bamboo scrimber and a manufacturing method thereof.The manufacturing method comprises the steps that bamboo units are sequentially subjected to high-temperature steam sterilization treatment, biological pretreatment, primary cooking treatment, saturated steam carbonization treatment and secondary cooking treatment, and then the mildew-proof and corrosion-proof bamboo units are obtained; and carrying out gum dipping treatment, drying and balancing treatment, assembling, hot-pressing forming and post-treatment to obtain the outdoor high-weather-resistance bamboo scrimber. The outdoor high-weather-resistance bamboo scrimber has the advantages of being high in weather resistance, high in strength, close to the color of bamboo wood and the like, can meet the requirements for production and manufacturing of outdoor bamboo engineering materials and engineering components, and can be widely applied to the field of modern bamboo structure building engineering.

The invention relates to potato planting equipment. The potato planting equipment comprises a soil breaking mechanism, a soil covering mechanism, a seed potato box, a material dropping-off mechanism, a rack, a travelling wheel and a sliding plate, wherein the soil breaking mechanism is provided with two oblique surfaces, a knife-edge arete for breaking soil is formed at the intersected position of the two oblique surfaces, the knife-edge arete is obliquely and downwardly extended to a knife-edge point, during planting, the knife-edge point of the soil breaking mechanism is positioned in a soil layer, and is at a depth same as the depth required by the planted potato, the soil layer is broken by the knife-edge point and the knife-edge arete, the soil is pushed to two sides by the oblique surfaces, so that a trench required by the potato planting is formed; a material dropping-off gap is left between the soil covering mechanism and the soil breaking mechanism, the soil covering mechanism is provided with an opened front part and closed sides and rear part, and the width of the opening in the front part of the soil covering mechanism is more than that of the soil breaking mechanism. The potato planting equipment has small and light structure, can be pulled or pushed by a person or livestock due to low broken soil amount, can realize soil breaking, seeding, and soil filling in once travelling, does not require additional power and thus has lightweight structure.

The invention discloses an orius minutus releasing device, comprising a glass container (1), wherein a pothook (5) and a moving plate (2) are mounted on an upper cover of the glass container (1), one protection plate of protection plates around the glass container (1) is provided with at least one small hole (4), and a side plate (3) is mounted at a hole part of the small hole (4). The orius minutus releasing device and an orius minutus releasing method are used to solve the problem that in an orius minutus releasing process by science researchers, a great amount of time and labor need to be consumed as a region for releasing the orius minutus in a large area is often dispersed in production, and releasing is performed without a simple and practical device and method, so that the orius minutus cannot be quickly released to target crops to timely control pests.

The invention discloses an antistatic recyclable PE packaging film for powder packaging. The PE packaging film is a three-layer co-extrusion blown-molded film and comprises a PE surface layer, a PE middle layer and a PE heat-sealing layer which are sequentially overlapped, wherein the PE heat-sealing layer comprises PE resin and porous heat insulation ceramic microspheres adsorbed with a cationicantistatic agent, and the porous heat insulation ceramic microspheres are porous zirconium dioxide microspheres modified by allyl trimethylsiloxane. According to the invention, the cationic antistaticagent is adsorbed by the zirconium dioxide porous microspheres which are inactive in chemical property but good in heat-insulating property, so the decomposition effect of high temperature on the cationic antioxidant in the film processing process is inhibited; and the porous structures of the zirconium dioxide microspheres are utilized to adsorb water vapor in an environment, so the antistatic agent is easy to migrate out to reach the surface of the film at low humidity, and an efficient and stable electrostatic effect is formed.

A transport arrangement (100) for a building (200) comprises: a first and a second elongate transport rail (10, 11) arranged parallel with each other and comprising a respective first and second pivotal rail segment (20, 21) and a respective first and second fixed rail segment (30, 31); and a container (50) comprising a first and a second pair of rolls (60, 61; 70, 71) for guiding the container (50) along the first and second transport rail (10,11). The transport arrangement is characterized in that the first and second pair of rolls (60, 61; 70, 71) are configured such that the first and thesecond pivotal rail segment (20, 21), when extending between a respective first and a second pair of rolls (60, 61; 70, 71), is pivotable between a first position (A) in which the first and the secondpivotal rail segment (20, 21) is aligned with the first and second fixed rail (10, 11) segment and a second position (B) in which the first and the second pivotal rail segment (20, 21) is orthogonalto the first and second fixed rail segment (30, 31).

The invention discloses an assembled prefabricated stair and a preparation device thereof. The assembled prefabricated stair comprises a base, wherein a demolding mechanism is arranged in the middle position of the top end of the base, and the demolding mechanism comprises step plates, ventilation cavities, air guide pipes, sliding plates, mounting frames, guide rods, connecting frames, placement grooves, a sliding groove, sliding blocks, ejector rods and sealing films; and the step plates are symmetrically welded to the middle position of the top end of the base, and the ventilation cavities are formed in the opposite ends of the two step plates. According to the assembled prefabricated stair and the preparation device thereof, hot steam can be conveniently injected into the ventilation cavities through the air guide pipes, and therefore, the step plates can be conveniently heated; through the cooperation of the placement grooves and the sliding groove, the sliding blocks can conveniently slide, so that the two mounting frames are conveniently spliced, and the two sliding plates are combined; and meanwhile, through the ejector rods and the sealing films, air is conveniently injected into the ventilation cavities, so that contact parts of concrete and the step plates are separated through thermal expansion and cold contraction, and the inner sides of two stair base bodies are conveniently demolded.

The invention discloses an LED display module with an interface protection structure and an LED display device. The LED display module comprises an LED display screen, a protection outer frame is fixedly connected to the right side of the LED display screen, a butt joint groove is formed in the right side of the protection outer frame, a data line butt joint mechanism is connected into the butt joint groove, and a sealing mechanism for sealing the butt joint groove is arranged at an opening of the butt joint groove; through arrangement of an extrusion plate, a movable plate and a sealing door,the problem that a data interface is exposed outside and is easily damaged by external problems to cause failure in normal operation is avoided, and through arrangement of a rotary vertical plate, arotary transverse plate and a waterproof plate, the problem of unstable data transmission caused by rainwater infiltration contact due to severe weather is avoided; and by arranging a ratchet wheel, alimiting block and a pressing plate, the problem that normal work of the LED screen is influenced by looseness between a data interface and a butt joint wire head due to severe weather is avoided.

The invention provides a roadway intelligent gangue filling machine and a filling method and relates to the technical field of gangue filling. The filling machine comprises a top plate fixing device,a hauling rope, a filling round-bottomed bucket, a first electric drum, a second electric drum and a position sensor. The top plate fixing device is arranged on a top plate and comprises a pulley anda tensioning device. The hauling rope is wound around the pulley. The filling round-bottomed bucket is arranged on the hauling rope. The two ends of the hauling rope are fixed to the first electric drum and the second electric drum correspondingly. The position sensor determines the distance between the round-bottomed bucket and the pulley as well as between the round-bottomed bucket and the firstelectric drum. In the gangue filling process, by means of the filling round-bottomed bucket, filling materials in a roadway are directly piled, the first electric drum and the second electric drum are utilized for pulling the filling bottom-round bucket to achieve automatic piling and discharging, and then piling of the filling materials within a certain distance is achieved. The technical problem that in a wall type exploiting system, especially in the short roadway, construction of a large filling tool is inconvenient is solved. In addition, the machine has the advantages of being flexibleto use, high in working efficiency and the like.