73results about How to "Good reversal" patented technology

Permanent magnets in which the ferromagnetic phase is matched with the grain boundary phase, and permanent magnets in which magnetocrystalline anisotropy in the vicinity of the outermost shell of the major phase is equivalent in intensity to that in the inside to suppress nucleation of the inverse magnetic domain. Guideline for designing permanent magnets having high magnetic performance is provided.

The invention discloses a lifting tool for mounting large-size machine tools and relates to the technical field of mechanical equipment manufacture. The lifting tool comprises a lifting part and a plug-in mounting part inserted into a lifting object, wherein the lifting part is connected with the plug-in mounting part into a whole, and provided with a plurality of circular grooves. The lifting tool can solve the problems that when the large-size machine tools and accessories of the large-size machine tools are lifted, the lifting tool is poor in lifting flexibility, inconvenient to use and low in efficiency and scratches surfaces of lifted objects easily, a steel rope is broken easily, and a safety accident is even caused.

The invention discloses a concealed socket capable of rolling towards multi-directions, which comprises a body, a pivoting part, a holding part, and at least one jack group. At least one jack group is arranged on the body; the holding part is used for holding the body; the pivoting part is pivoted with the body, and comprises a first rotating shaft, and a second rotating shaft; the first rotating shaft leads the body pivoted on the first rotating shaft to rotate along the axis direction of the first rotating shaft through the drive of the first rotating shaft; the second rotating shaft is pivoted with the holding part and the first rotating shaft; moreover, the axis direction of the second rotating shaft and the axis direction of the first rotating shaft are mutually vertical; and the first rotating shaft rotates along the axis direction of the second rotating shaft through the drive of the second rotating shaft; therefore, the body is driven by the rotation of the first rotating shaft and the second rotating shaft, can combine the rotations on two directions, and is beneficial for the reversing as well as opening and closing motions of the concealed socket to lead the concealed socket to reach concealed holding effect.

The invention discloses a liquid crystal display device and a drive method thereof. The liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer, a visual angle control electrode is arranged on the first substrate, a public electrode and pixel electrodes are arranged on the second substrate, a plurality of pixel units are defined on the second substrate by scanning lines and data lines, each pixel unit includes a first area and a second area, the visual angle control electrode includes a first electrode part and a second electrode part which are insulated with each other, the first electrode part correspondingly covers the first area, and the second electrode part correspondingly covers the second area. By adopting the liquid crystal display device and the drive method thereof, when display is conducted in a narrow visual field mode, different first voltage signals and second voltage signals can be applied to the first electrode part and the second electrode part, perpendicular electric fields with different intensities are formed at the corresponding positions of the first and second areas, therefore, the liquid crystal standing angles at different positions are different, and when large visual angle viewing is conducted, visual angles of different areas are complementary so that the problem of gray scale inversion can be improved.

The invention discloses a thin-film transistor array base plate, a display panel and a display device. The thin-film transistor array base plate comprises a base plate body, a plurality of grid lines, a plurality of data lines, a plurality of pixel units, insulated layers and pixel electrodes, wherein the grid lines and the data lines are arranged on the base plate body, and are crossed and insulated; the pixel units are arranged in areas defined by the grid lines and the data lines, and any pixel unit comprises a switch component; the insulated layers are located on the switch components, and are provided with through holes; the pixel electrodes are located on the insulated layers, and are electrically connected with the switch components via the through holes, and two adjacent pixel unites share the same one through hole in the extending direction of the grid lines; an enough large distance is formed between two adjacent transverse through holes, so that isolation columns are well placed, the problem that the isolation columns are instable in standing and unlikely to slide down is avoided, and the uniformity of the thickness of a panel box and better surface pressure ability are ensured.

The invention discloses a liquid crystal display device and a driving method thereof. The liquid crystal display device comprises a first substrate, a second substrate and a liquid crystal layer, wherein the second substrate is opposite to the first substrate; the liquid crystal layer is positioned between the first substrate and the second substrate; a first protective layer and a visual angle control electrode are arranged on the first substrate; the visual angle control electrode comprises a first electrode part and a second electrode part which are insulated from each other; each pixel unit comprises a first region and a second region; the first electrode part correspondingly covers the first regions of all the pixel units; and the second electrode part at least correspondingly coversthe second regions of all the pixel units. According to the liquid crystal display device and the driving method thereof, during display in a narrow visual angle mode, a first voltage signal and a second voltage signal which are different can be applied to the first electrode part and the second electrode part, and vertical electric fields with different intensities are formed in the positions corresponding to the first regions and the second regions, so that the liquid crystal standing angles in different positions are different; and during watching in a large visual angle mode, the visual angles of different regions are complementary, so that the problem of gray scale inversion can be solved.

The invention discloses a charge-reversed DNA (Deoxyribose Nucleic Acid) nano-carrier and a preparation method and application thereof, and belongs to the fields of gene treatment and DNA vaccine antibody expression. The charge-reversed DNA nano-carrier comprises a compound prepared from methylsuccinic acid-3-dimethylamino-1-propyl ester quaternary ammonium salt and pDNA, has different quantities of electric charges under different pH conditions, and can be subjected to charge reversing under a corresponding PH condition. The prepared charge-reversed compound has a pH response, has different quantities of electric charges under different pH conditions through the methylsuccinic acid-3-dimethylamino-1-propyl ester quaternary ammonium salt, and is subjected to charge reversing under a certain PH condition, and a nano-compound carries positive charges when the compound passes through the surface of a cell membrane carrying negative charges, so that the compatibility with the cell membrane is very high, the compound can be effectively internalized, the electric charges are reversed under different pH conditions in cells, and a carrier carrying the negative charges can circulate for a long time more easily and is more suitable to be applied in gene treatment and antibody production.

The invention discloses a relaxor ferroelectric lead-based ceramic material with high phase change temperature, excellent fatigue resistance and high electromechanical performance and a preparation method and application thereof, and relates to a relaxor ferroelectric lead-based ceramic material and a preparation method and application thereof. The problems that in the prior art, a relaxor ferroelectric ceramic material is low in phase change temperature and poor in electrical fatigue resistance, and high electromechanical performance, high phase change temperature and excellent fatigue resistance cannot be considered at the same time are solved, and the thermodynamic problem exists in the preparation process of Zr-containing relaxor ferroelectric texture ceramic. The general chemical formula of the relaxor ferroelectric lead-based ceramic material is (1-x-y) Pb (A, Nb) O < 3-x > PbZrO < 3-y > PbTiO < 3-a > wt.% B. The method comprises the following steps: 1, preparing pure perovskite phase parent fine powder; 2, preparing a ceramic green body by a tape casting method; and 3, preparing the textured ceramic material. The method is applied to piezoelectric actuators, intelligent sensors, ultrasonic transducers and energy collectors.

The invention discloses a design method of a trap type dual-phonon active region energy level structure in a terahertz quantum cascade laser. The design method comprises the following steps of (1) designing a well width barrier width of one period of an active region of the terahertz quantum cascade laser; (2) solving the energy level of the active region through a schrodinger equation, and determining whether the energy level distributions satisfies the design requirements or not; and (3) solving an active region rate equation, and obtaining the output characteristic of the active region of the laser, and therefore, the design feasibility is verified. According to the method, the quantum well energy level theory is calculated by using schrodinger, so that the accuracy of the energy levelposition is determined, so that the problems of thermal excitation and thermal leakage caused by too high temperature of electrons in the terahertz quantum cascade laser can be solved, and higher operation temperature and the output characteristic of the laser can be obtained.

The invention discloses a mold pressing flexible ceramic and flexible patch stone two-in-one automatic production line. The production line comprises an unwinding mechanism, a PET film roll, a feeding system, a material distributing mechanism, a pneumatic calibrating device, a gridding cloth air expansion shaft, a gridding cloth deviation rectifying mechanism, a control cabinet, a cleaned waste collecting box, a working table top, a gridding cloth pressing roller, a secondary calibrating mechanism, a tight calibrating mechanism, a blade coating machine rack, a drying tunnel rack, a conveying tensioning mechanism, a conveying motor, a chain plate conveying device, an external heat preservation device, a conveying speed checking mechanism, a winding rack, a winding motor, a magnetic powder clutch, a winding film roll and a pneumatic deviation rectifying mechanism, the secondary calibrating mechanism comprises a motor box, a secondary calibrating block body is arranged on the inner side of the motor box, and a material blocking piece is fixedly connected to the end, close to the motor box, of the secondary calibrating block body. According to the production line, through arrangement of a rotating shaft and a material scraping piece, when too much coating is located at the secondary calibrating mechanism, the coating directly falls into the cleaned waste collecting box, and extrusion of redundant coating is completed.

The invention relates to the technical field of plate machining, and discloses a plate punching machine feeder. The feeder comprises a supporting plate, a rotating rail is fixedly installed on the upper portion of the supporting plate, a rotating block is movably installed in the rotating rail, and the upper end of the rotating block is fixedly installed at the bottom of one end of a swing rod. The other end of the swing rod is fixedly connected to a rotating table, the bottom of the rotating table is movably installed in the middle of the upper portion of the supporting plate, and a gear groove is formed in the rotating table. According to the plate punching machine feeder and the feeding method thereof, the supporting plate is arranged as a circular tray, circular feeding and discharging of the device are facilitated through the circular tray; and because the feeding plate is movably installed on the upper portion of the supporting plate through the rotating rail, the rotating block, the swing rod and the rotating table, the direction of the feeding plate on the upper portion of the supporting plate can be conveniently and regularly adjusted when the device rotates, and a plate on the upper portion of the feeding plate can be conveniently punched.

The invention discloses an application of an insect small-molecule active substance in preparing an antiatherosclerotic medicine. The insect small-molecule active substance of the invention is prepared by the method comprising the following steps: (1) feeding adult flies, attracting the adult flies to spawn, feeding larvae with feed, and removing feed residues; (2) carrying out cold and hot stimulus induction on the larvae; and (3) after inducing for 48h, collecting the larvae, cleaning, disinfecting, breaking polypide cells, homogenizing at high speed, centrifugating, separating supernate, ultrafiltering, and obtaining the insect small-molecule active substance of which the molecular weight is less than 30KD after the filtrate is subject to freeze drying. The purely natural insect small-molecule active substance of the invention can effectively reduce the serum inflammatory factors and adjust the blood fat, promotes cholesterol efflux of macrophage, has an oxidation-resisting efficacy, and can be applied in a plurality of the fields of medical treatment, feed processing, food industry and the like.

The invention relates to a flexible air pipe winding and unwinding device for air supply. The device comprises an air pipe winding drum assembly, a flexible air pipe, two winding drum seats, a rotary air inlet assembly and a rotary driving assembly for driving the air pipe winding drum assembly to rotate, the air pipe winding drum assembly comprises a winding drum main body, a winding drum air pipe shaft and a winding drum rotating shaft, the rotary air inlet assembly comprises an air inlet pipe, a fixed air pipe and a rotary air pipe rotatably inserted into the fixed air pipe, the air outlet end of the air inlet pipe is connected with the air inlet end of the fixed air pipe, the air outlet end of the rotary air pipe is fixedly connected with the winding drum air pipe shaft, and an output shaft of the rotary driving assembly is fixedly connected with the winding drum rotating shaft. Compared with the prior art, automatic winding and unwinding of the flexible air pipe on the winding drum main body can be achieved, the requirement for movable air supply is effectively met, and the device is safe and reliable in structure and long in service life.

A method for improving combustion efficiency as combusting a pure substance is disclosed. The method is started from deciding an environmental temperature of a combustion environment, setting a first temperature higher than the environmental temperature, and uniformly heating the pure substance to the first temperature so as to shorten the temperature drop between the outer surface and the inner portion of the pure substance as far as possible. Simultaneously, after a combustion-supporting gas is provided and heated to a second temperature and the combustion-supporting gas is supplied to the combustion environment, the pure substance is ignited. The steps described above can accelerate the temperature raising as combusting the pure substance, so as to be more close to complete combustion, thereby improving efficiency and reducing contaminant production.

The invention discloses a practical training comprehensive experiment table for an electronic technology experiment and belongs to the technical field of electronic technology practical training equipment. The problem is solved that for the experiment table for the electronic technology in the prior art, practice for circuit board welding is inconveniently conducted. The experiment table comprisesan experiment table body and an experiment plate, a lifting groove is formed in the top of the experiment table, and a circuit board welding assistance mechanism is arranged in the lifting groove; the circuit board welding assistance mechanism comprises a lifting table, a circuit board clamp, a connection plate, a reciprocation lead screw, a positioning rod and a first motor, and avoidance grooves are formed in the two side walls of the two sides of the lifting groove respectively. According to the experiment table, the circuit board welding assistance mechanism is arranged and assists students in practice for circuit board welding, by arranging the rotatable circuit board clamp, convenience can be provided for the students to reversely turn the circuit board after element welding, the students conveniently observe whether or not abnormal phenomena of continuous tin and non-penetrated tin occur, the experiment table is more convenient to use, and by arranging an experiment module mechanism, some experiments about the circuit can be completed.

The invention discloses a medicine spraying device, comprising a base, a medicine box is arranged above the base, two first motors are fixedly mounted on one end of the base, and first motors are fixedly connected to the output shafts of the first motors. A connecting plate, the end of the first connecting plate fixes the first installation rod, the two ends of the first installation rod are respectively hinged with the second installation rod and the third installation rod, the first installation rod, the second installation rod and the third installation rod The installation rods are all provided with a first water pipe, a second water pipe and a third water pipe along the length direction, the first water pipe is connected to the medicine box through two fourth water pipes, and the second water pipe is connected to the medicine box through the fifth water pipe Set, the third water pipe is connected to the medicine box through the sixth water pipe, the first water pipe, the second water pipe and the third water pipe are all provided with spraying holes at intervals downward along the length direction, and the spraying holes are connected There are nozzles. The invention has the advantages of being able to better spray the crops, more uniform spraying and high efficiency.

The invention discloses a machining device for an axial motor stator, and relates to the technical field of motor stator machining. In order to improve the cleaning effect on the stator, the machiningdevice specifically comprises a placement rotary table and a rotating motor installed on a base, a rotating main shaft is rotationally connected to the outer wall of the top of the rotating motor through a coupler, the outer wall of the top of the rotating main shaft is fixed to the outer wall of the bottom of the placement rotary table through screws, four positioning rings which are uniformly and circumferentially distributed are arranged on the outer wall of the top of the placement rotary table, and brush cylinders are arranged in the positioning rings. According to the machining device,the structures such as the brush cylinders, a main brush head and an auxiliary brush head are arranged, so that streamline cleaning of the motor stator can be realized based on the rotation of the placement rotary table and the cooperation of the brush cylinders, and the cleaning efficiency is improved; and in addition, due to the fact that a first spherical protrusion and a second spherical protrusion are arranged, the first spherical protrusion and the second spherical protrusion are in soft contact with the inner wall of the stator during cleaning, so that the inner wall of the stator can be prevented from being damaged, the winding phenomenon of the stator with a coil is avoided, and the reliability is improved.