216results about How to "Bulky" patented technology

The invention discloses an electronic ice fan. An ice containing box is arranged below a body seat; a pressure increasing axial flow fan is arranged in the body seat; a suction port is formed below the axial flow fan; an annular flow increasing ring is arranged above the body seat; a circulation channel and a jet flow port are formed in the flow increasing ring; a mist stimulation pipe is arranged above the pressure increasing axial flow fan; a mist stimulator is arranged on the lower part of the mist stimulation pipe and connected with the ice containing box below; the mist stimulation pipe is communicated with the pressure increasing ring above; the ice water in the ice containing box flows to the mist stimulator; the pressure increasing axial flow fan sucks air from the lower suction opening to form high-pressure air flow; the high-pressure air flow flows through the mist stimulation pipe and blows the water mist of the mist stimulator through the circulation channel to form ice mist at the jet flow port of the flow increasing ring; and the ice mist is immediately gasified into ice-cold air. The invention aims at providing an air cooler device which solves the problems of small mist amount and non-cool air of the air cooler by using the axial flow fan, the flow increasing ring and the mist stimulator; and moreover, as no fan blade is arranged in the flow increasing ring, the effects of large mist amount and cool air of a bladeless ice fan are realized.

The invention relates to a beacon optical axis precision positioning system in an atmosphere laser communication system, which is characterized by comprising an optical receiving antenna (1), a vibrating mirror (2), a dispersion prism (3), a Hartmann sensor optical axis precision positioning unit (4), a vibrating mirror controller (5), a lens (6) and a common CCD camera (7). To realize the real-time correction of the pointing direction of a beacon optical axis, the beacon optical axis precision positioning system detects a beacon light beam by a Schack Hartmann sensor with microlenses array and reconstructs a real-time wavefront image by a Zernike Polynomial mode method, thereby resolving the real pointing direction of the beacon optical axis of the atmosphere laser communication system and achieving final optical axis positioning precision exceeding 2 mu rad. If a common CCD positioned at a receiving end needs to obtain same resolution ratio and measuring precision, an optical systemof the common CCD has large volume and heavier weight; in addition, compared with the traditional platform, the invention has obviously reduced volume and weight, thereby effectively meeting the requirement of future space laser communication for the light type of an onboard platform.

The invention is the multi-phase couple creep testing method of the broken rock and the equipment. The invention adopts the multi-phase lever driving device, the loading device connecting the driving device and the compressing device under the loading device. The lever loading makes the beam wind the hinge of the framework; add the charge conveyed by the lever system on the samples through the adjusting screw, the force sensor, the ball hinge pressing head and the infiltrator; implement worm misshaping test to the sample in the high-low temperatures. The invention is stable, simple, small, convenient and precise.

The invention discloses an on-chip integrated optical digital-to-analog converter based on a silicon-based nanowire waveguide. The on-chip integrated optical digital-to-analog converter comprises N laser devices, a modulation multiplex integral structure and a photoelectric detector. The modulation multiplex integral structure comprises a trunk waveguide L0, N cascaded silicon-based nanowire waveguide micro-ring resonators (MRR1, MRR2...MRRN) and N bent waveguides (L1, L2...LN), the N laser devices are connected with the uploading ends of the N bent waveguides (L1, L2...LN) respectively, the photoelectric detector is connected with the straight-through end of the trunk waveguide L0, and N is a natural number. According to the on-chip integrated optical digital-to-analog converter, the advantages that the silicon-based waveguide is compact in structure, low in power consumption, compatible with the CMOS process and the like are fully achieved, the high speed and high resolution in the DAC process can be achieved, and the integration and miniaturization of the optical DAC can be achieved.

A dividual conjugate fiber for obtaining a fiber structure excelling in denseness and bulkiness. The dividual conjugate fiber is one having a polyamide resin composition and a fiber forming polymer with no compatibility with the polyamide resin composition bonded together in the direction of fiber length, characterized in that the polyamide resin composition is composed of an aromatic polyamide and an aliphatic polyamide. Preferably, the aromatic polyamide is a nylon MXD6 polymer, and the aliphatic polyamide is a nylon 6 polymer.

The invention provides an underwater cavitating jet cleaning system. The system is provided with a cleaning fluid autoweighing feeder, and a cavitating jet technology is organically combined with theimprovement on cleaning fluid so that jet bubbles can be increased, and hull dirty can be easily removed. A spiral channel is formed in the eddy section of a jet nozzle, and the eddy section is gradually decreased in the direction from a water inlet to a water outlet, so that the fluid velocity is further increased; the in-pipe cavities of a gun pipe are different in size, so that the fluid flowsthrough the inside of the pipe in a pulse mode, finally the fluid jetted from the jet nozzle of a cleaning gun is jetted in a pulse mode, the cavitation rate is effectively improved, and more cavitation nucleus are generated. A hollow rotation shaft of a cleaning disc is provided with a glow guide channel, a plurality of arc-shaped strips are arranged on the wall of the flow guide channel, the hollow rotation shaft jets the fluid downwards, and the fluid applies repulsion acting force on the cleaning disc, so that the cleaning disc is easily floated in water.

A device used for testing stead-state service lifetime of junction temperature on control transistor consists of test operation table, control unit formed by master-control computer and junction temperature control and measurement component, and power supply unit formed by two sets of DC voltage-stabilized power supplies for controlling and measuring junction temperature of tested sample transistor in order to raise credibility of steady-state service lifetime test on power transistor.

The invention provides a magnetic bead separation device for nucleic acid extraction.The magnetic bead separation device comprises a separation head lifting module, a magnetic rod module, a stirring module, an isolation sleeve separation module, isolation sleeves and reaction consumables, wherein the magnetic rod module and the stirring module are respectively in sliding connection with the separation head lifting module, the magnetic rod module comprises a plurality of magnetic rods capable of vertically moving, the stirring module comprises a plurality of gear shafts corresponding to the magnetic rods, the adjacent gear shafts are connected through gears, the core portions of the gear shafts are hollow, the lower portion of the gear shafts are used for sleeved connection with the isolation sleeves, the isolation sleeve separation module is fixed to the stirring module and is used for taking off the isolation sleeves from the gear shafts, and the reaction consumables are arranged under the gear shafts and include a splitting decomposition container, a cleaning container and an elution container.The magnetic rods are permanent magnets, and the permanent magnets are relatively small and exquisite in structure.An even liquid mixing mode of the magnetic bead separation device is a rotary-stirring even-mixing mode, the rotating speed is adjustable, and the even mixing consistency is good.

The invention discloses a preparation method for an oxytocin deamidation impurity. The preparation method comprises the following step of: successively subjecting a solution of a crude oxytocin deamidation impurity precursor to reversed-phase cyclization, reversed-phase purification and reversed-phase desalination by adopting high-performance liquid-phase reversed-phase chromatography, wherein a filling material for the high-performance liquid-phase reversed-phase chromatography is silica gel C18; and the crude oxytocin deamidation impurity precursor contains two free sulfhydryl groups. The preparation method provided by the invention innovatively adopts a reversed-phase adsorption method for cyclization, purification and desalination, solves the problems of cyclization, purification and desalination once for all, optimizes the production process, and is applicable to continuous industrial production.

The invention discloses a preparation method of perovskite single crystals. The preparation method comprises the following steps: taking and mixing first halide and second halide, stirring and dissolving with a polar solvent, and preparing a perovskite solution, wherein the mass ratio of the first halide to the second halide to the polar solvent requires that the perovskite solution is supersaturated; performing filtering treatment on the perovskite solution; putting the perovskite solution after filtering treatment in a hydrophobic container, heating and separating out the perovskite single crystals. In the preparation method disclosed by the invention, a hydrophobic material is selected as a growth container for the perovskite single crystals; due to the hydrophobicity of the wall of the hydrophobic container, the number of crystal nucleus growing on the wall of the hydrophobic container is sharply reduced, the number of the crystals grown is relatively reduced, the grown crystals are larger within unit time, the quantity of broken crystals is reduced, the utilization rate of the solution is improved, and the crystal quality is significantly improved.

The invention discloses an array type rice transplanter. The array type rice transplanter comprises a travelling mechanism, and a rack arranged on the travelling mechanism, wherein a seedling plate assembly and a rice seedling transplanting mechanism are arranged on the rack; the seedling plate assembly comprises a gridded seedling plate which is arranged on the rack and is vertical to the horizontal plane, a vertical guide mechanism, and a stepping dropping driving mechanism for driving the gridded seedling plate to gradually downwards move at fixed distance; the sowing mechanism comprises a rice seedling propping pin, a rice seedling propping pin bracket, a rice seedling propping pin driving mechanism and a rice seedling propping pin bracket driving mechanism; the rice seedling propping pin is horizontally arranged on the rice seedling propping pin bracket; the rice seedling propping pin driving mechanism comprises a rice seedling propping mechanism for pushing the rice seedling propping pin to move towards the gridded rice seedling plate, and a restoring mechanism for pushing the rice seedling propping pin to restore; the rice seedling propping pin bracket driving mechanism comprises a power mechanism for driving the rice seedling propping pin bracket to move at fixed distance by reciprocating in the direction vertical to the movement direction of the rice seedling propping pin. The array type rice transplanter has the advantages of large number of one-time loading of the seedling plate, small size, light weight, high working efficiency, convenience in transplanting of the rice seedlings, and prevention of automatic falling of the rice seedlings.

The invention provides a process and a device used for heating circular methane during the dry distillation process of oil shale. Two-step heating of circular methane is carried out by using a method of semi-coke, mixed burning of methane and heat-accumulation heating. Hot methane with the temperature of about 700 DEG C can be continuously and stably supplied to a dry distilling furnace in a balanced way, thus ensuring the heat of dry distillation of the oil shale and the requirement of the temperature. The process and the device have high thermal efficiency which achieves more than 90%. As the thermal value of fixed carbon contained in the semi-coke is used, the process and the device are applicable to full circulation dry distillation process of high-grade oil shale and the full circulation dry distillation process of low-grade oil shale.

The invention provides a method for controlling a position of a 2R under-actuated plane flexible mechanical arm. The method comprises the following steps: an assumed mode method is adopted to establish a dynamic model synthetically considering joint passivity, rod piece flexibility and joint friction, of the 2R under-actuated plane flexible mechanical arm; and aiming at the characteristics of flexibility and under-actuating which simultaneously exist in the system, and on the base of a time-scale and PID control method, a segmented control strategy is designed so as to realize the position control of an active joint and a passive joint, thereby finishing the tail-end operation of a whole robot. Compared with a conventional full-drive rigidity system, the under-actuated plane flexible mechanical arm provided by the invention has the advantages of light weight, low energy consumption and compact structure; by the segmented control design, complex operation and control for the robot can be realized by using the simple method; a nonlinear theory and a nonlinear theory solving method are avoided; and the purpose of simple method and easiness in realization are achieved.

The invention discloses a preparation method of oxytocin [4-Glu]. The preparation method comprises steps as follows: a precursor crude product solution of oxytocin [4-Glu] is sequentially subjected to reversed-phase cyclization, reversed-phase purification and reversed-phase desalination with a high-performance liquid reversed-phase chromatography method; filler of the high-performance liquid reversed-phase chromatography method is silicone C18; a precursor crude product of oxytocin [4-Glu] contains two free sulfydryls. The problems about cyclization, purification and desalination are solved once with an innovative reversed-phase adsorption method for cyclization, purification and desalination, the production process is optimized, and the method is suitable for industrial continuous production.

The invention discloses a preparation method of oxytocin. The preparation method comprises steps as follows: an oxytocin precursor crude product solution is sequentially subjected to reversed-phase cyclization, reversed-phase purification and reversed-phase desalination with high-performance reversed-phase liquid chromatography; filler used in the high-performance reversed-phase liquid chromatography method is silica gel C18; an oxytocin precursor crude product contains two free sulfydryl groups. The reversed-phase adsorbing cyclization, purification and desalination one-step method is applied in the preparation method for preparation of a polypeptide pure product, the production process is optimized, and the preparation method is suitable for industrial continuous production.

The invention relates to a gradiometer configuration type magnetoencephalogram measurement system based on an SERF atom magnetometer. The gradiometer configuration type magnetoencephalogram measurement system comprises a magnetic shielding room, a brain magnetic measurement cap suitable for a gradiometer configuration mode, an SERF atom magnetometer gradiometer sensor array, an SERF atom magnetometer reference sensor array, a brain magnetic induction stimulation system and a data acquisition and processing system. Compared with a traditional SQUID (superconducting quantum interferometer) magnetoencephalogram measurement system which is high in price, high in operation cost, large in size and heavy in structure, the magnetoencephalogram measurement system based on the SERF atom magnetometeris flexible in structure, the operation cost can be ignored, and magnetoencephalogram measurement the same as that of the SQUID can be achieved. And secondly, compared with other brain magnetic systems which only use the SERF atom magnetometer to perform single-direction magnetic field measurement, the gradiometer configuration type magnetoencephalogram measurement system based on the SERF atom magnetometer can more effectively counteract the environmental magnetic field noise and improve the signal-to-noise ratio.

The invention discloses a multifunctional portable self-service vehicle washing machine which comprises a barrel assembly, a barrel cover assembly, a brush assembly, a connecting rod assembly and a sewage collecting assembly. A slide key is arranged on a barrel shell, a slide groove and a slide hole are formed in the barrel shell, the volume of a barrel can be adjusted, an ordinary water tank and a sewage tank are made of rubber materials, the volumes of the ordinary water tank and the sewage tank can be changed along with extension and retraction of the barrel shell, and collected sewage can be purified by a purifying device; vehicle washing sewage can be sucked into the sewage tank by the barrel cover assembly, and vehicles can be dried by means of blowing by strong wind generated by the barrel cover assembly; electromagnets are arranged in the brush assembly, a separation type brush disc can be folded, and water in absorbent cotton can be squeezed and drained by the electromagnets; an S-shaped rod in a hard connecting rod of the connecting rod assembly can be bent, so that angles of a rod can be adjusted, and a water outlet pipe, a water suction pipe and a circuit channel are arranged in the connecting rod; the vehicle washing sewage can be collected by the sewage collecting assembly. The multifunctional portable self-service vehicle washing machine has the advantages that the multifunctional portable self-service vehicle washing machine has functions of washing the vehicles, collecting and purifying the sewage and drying the vehicles by means of blowing, accordingly, the vehicle washing efficiency can be improved, water resources can be saved, and onboard carrying can be facilitated.

The invention discloses a method for preparing vasopressin deamidization impurities. The preparation method comprises the steps of adopting efficient liquid phase reversed phase chromatography to cause vasopressin deamidization impurity precursor crude product solution to sequentially undergo reverse phase cyclization, reverse phase purification and reverse phase desalting. Filler of the efficient liquid phase reversed phase chromatography is styrene divinylbenzene copolymer. The vasopressin deamidization impurity precursor crude product contains two free sulfhydryl groups. The reverse phase adsorption method cyclization, purification and desalting are applied creatively, the cyclization, purification and desalting problem is solved in one time, the production process is optimized, and the method is suitable for industrial continuous production.

The invention discloses a different-hardness-degree rock stratum blasting control method used in deep-hole bench blasting. The positions and number of detonation points are finely designed, two-point or multiple-point simultaneous detonation is adopted in the drilling blasting design, and detonation wave frontal collision is utilized to improve pressure of wave front, so that energy is centralized to break locally-hard and difficultly-blasted rock stratums, the different-hardness-degree rock stratum blasting problem in the deep-hole bench blasting is solved, the boulder yield in the hard rock stratum blasting is reduced, the safety of a detonating network is improved, and the different-hardness-degree rock stratum blasting control method is efficient, convenient and fast and facilitates quick construction.

The invention discloses cyclocarya paliurus tea and a preparation method thereof. In half year before harvesting, specially-produced fertilizer for cyclocarya paliurus cultivation is applied for cyclocarya paliurus, and through tea harvesting, deterioration, de-enzyming, rolling, drying and fragrance improvement, the cyclocarya paliurus tea is obtained. The preparation method improves a yield by 30% or more.