38results about How to "Layout rules" patented technology

The invention discloses a magnesium alloy reinforced by nano-quasi-crystal particles and a preparation method of the alloy, and belongs to the technical field of alloy. The alloy comprises the following components in percentage by mass: Er not higher than 10%, Zn not higher than 10%, impurity element with total amount less than 0.05%, and balance of magnesium, wherein the mass ratio of Zn to Er is 4-8. The preparation method comprises the following steps: firstly performing solution treatment to the selected alloy, cleaning the alloy, removing impurities and crushing the alloy; utilizing a multi-cyclic plastic deformation device to process the alloy, at last obtaining an extrusion blank, and extruding the blank with an extruder at 220-350 DEG C to obtain a bar; or utilizing a rolling mill to roll the alloy at a temperature not higher than 300 DEG C, and annealing the rolled alloy. According to the invention, the size of phase I in the alloy is effectively reduced; the distribution characteristics of phase I are reasonably changed; and the size of phase I in the alloy is about 10-100nm.

The invention relates to a waterproof breathable sole and a shoes adopting the waterproof breathable soles. The waterproof breathable sole comprises an outsole, an insole and a waterproof breathable layer, wherein the outsole and the insole are tightly connected; the waterproof breathable layer is made of a waterproof breathable material; the waterproof breathable layer is arranged on the upper part of the insole and is connected with the insole in a sealing form along the periphery; an outsole air vent passing through upper and lower two surfaces of the outsole is arranged in the outsole; an insole air vent passing through upper and lower two surfaces of the insole is arranged in the insole; a tubular structure and/or a slot are arranged in the outsole; the a tubular structure is arranged in the insole or at a joint of the outsole and the insole; the outsole air vent and the insole air vent are communicated through the tubular structure; and the slot is connected with the outsole air vent and the external environment. The waterproof breathable sole and the shoes adopting the waterproof breathable soles are waterproof and breathable, simple in structure, low in manufacturing cost and comfortable to wear.

The invention discloses a metal nano-lattice/single-layer graphene SERS substrate and a preparation method and an application thereof. The metal nano-lattice/single-layer graphene SERS substrate prepared by the preparation method comprises a silicon substrate, single-layer graphene and uniform metal nano-lattices, wherein the single-layer graphene is located on the silicon substrate; the uniform metal nano-lattices are uniformly distributed on the single-layer graphene; and the regularly arranged metal nano-lattice/single-layer graphene SERS substrate is obtained. Electromagnetic enhancement of a metal nanostructure is coupled with chemical enhancement of the graphene, thereby detecting hydrophobic aromatic compounds; the method is simple, easy to operate and capable of preparing the large-area SERS substrate; the prepared SERS substrate is uniform in surface hotspot distribution and large in area; and the repeatability and stability of an SERS signal can be improved.

The invention relates to a floor type powdery material storehouse which comprises a storehouse top, storehouse walls, a storehouse bottom and a storehouse foundation, wherein material flowing assisting devices are arranged on the storehouse bottom and are composed of pneumatic fluidization rods which are connected with air supply pipelines, material falling openings are formed in material conveying pipes, a decompression cabin is arranged on each material falling opening of the material conveying pipes, the side wall of each decompression cabin is provided with a feeding notch, the pneumatic fluidization rods are arranged in the material conveying pipes, the material conveying pipes are horizontally arranged on the surface of the storehouse bottom and penetrate through the bottoms of the storehouse walls and extend out of the storehouse, a material flow control device is arranged at a discharge end, located outside each storehouse wall, of each material conveying pipe, the other end, located inside the storehouse, of each material conveying pipe is an air supply end, and the air supply end of each material conveying pipe is connected with an air supply pipeline. In addition, barriers can be arranged on the periphery of each material falling opening of the material conveying pipes. The floor type powdery material storehouse is simple in structure and good in economy and safety performance, and can be widely applied to storage of powdery materials such as coal ash and cement.

The invention discloses a cylinder head for an arched combustion chamber and a gasoline engine employing the cylinder head. The cylinder head comprises a cylinder head body, wherein a combustion chamber face is formed on the inner side of the cylinder head body; the combustion chamber face has an arched face structure consisting of smooth curved surfaces; the surface to volume ratio of the combustion chamber can be reduced further, the working efficiency of the gasoline engine is improved, and gas flow which enters the combustion chamber is subjected to resistance in different directions, so that fuel oil mixed gas can be well formed into turbulent flow and combusted fully; therefore, the fuel oil consumption rate is reduced effectively, combustion is facilitated, and CH+NO(x) emission can be reduced, and gasoline power is increased; and the emission reaches or even exceeds the environmental protection agency (EPA) standard in America. The power of a gasoline engine with the maximum power of 3.0 kW (the rotating speed is 3,600 rpm) can be increased to 3.5 kW and the emission is reduced from 9.0 g/kW.h to 8.0 g/kW.h; the power of a gasoline engine with the maximum power of 3.5 kW can be increased to 4.0 kW and the emission is reduced from 9.0 g/kW.h to 8.0 g/kW.h; and the emission of the two gasoline engines meets the standard of 10 g/kW.h in the EPA3 stage; therefore, the power increment and the emission reduction of the gasoline engine are obvious, and environmental protection is facilitated.

The invention discloses a floating nuclear power station reactor compartment arrangement structure which comprises a double-shell ship body arranged on an offshore nuclear power platform, wherein a primary containment vessel and a spent fuel storage cabin are arranged in an inner cavity of the double-shell ship body; a reactor and primary loop system equipment are arranged in the primary containment vessel; a spent fuel storage facility is arranged in the spent fuel storage cabin; the bottoms and the side faces of the primary containment and the spent fuel storage cabin are elastically connected with the double-shell ship body through elastic connecting structures; a nuclear fuel loading and unloading cabin is arranged on the upper portions of the primary containment and the spent fuel storage cabin; and communication ports are formed between the nuclear fuel loading and unloading cabin and the primary containment and between the nuclear fuel loading and unloading cabin and the spent fuel storage cabin respectively. The nuclear fuel tank has three functions of containment, nuclear fuel loading and unloading and spent fuel storage, and has the characteristics of regular appearance,compact layout, low design pressure and light shielding weight; and an elastic connecting structure is provided, so that the safety of the reactor cabin is further improved.

The invention discloses an LCD panel, a display device and manufacturing and driving methods of the LCD panel and the display device, relates to the field of display, and can improve electric field distributional difference caused by manufacturing technology and liquid crystal distribution difference caused by pixel edge vertical electric field, and improve optical display features of a product. The LCD panel comprises an array substrate, a color membrane substrate and a liquid crystal layer arranged between the two substrates, wherein a first electrode and a second electrode are arranged on the array substrate on different layers, a third electrode and a fourth electrode are arranged on the color membrane substrate on different layers, the first electrode and the third electrode are oppositely arranged, the first electrode and the third electrode are slit-shaped electrodes, the second electrode and the fourth electrode are plate-shaped electrodes, the first electrode is arranged on the side of the second electrode, which is close to the liquid crystal layer. and the third electrode is arranged on the side of the fourth electrode, which is close to the liquid crystal layer.

The invention relates to a TiCoMoNb basic shaft tile lubricating self-regulating composite material. The composite material comprises a basic material TiCoMoNb, a solid lubricating phase PdAgPtAuCuZnand a lubricating regulating agent AgCuCdSe-SiN; a preparation method is characterized in that a hot centrifugal spray drying device is adopted and used for preparing TiCoMoNb-PdAgPtAuCuZn spherical powder, and preparing AgCuCdSe-SiN spherical powder; laser additive manufacturing and subtractive manufacturing equipment is adopted and used for preparing a TiCoMoNb-PdAgPtAuCuZn self-lubricating composite material; and a vacuum-pressure infiltration method is adopted and used for filling a curved micro-pore structure with a regulating agent AgCuCdSe-SiN powder. The TiCoMoNb basic shaft tile lubricating self-regulating composite material has the advantages of being compact in structure, high in purity, short in preparation period, simple in operation, easy to control, regular in arrangement ofmicropore flow channels, uniform in size distribution, good in self-lubricating property and good in lubricating regulation effect.

The invention relates to a space grid structure turn-over and base stripping construction method based on a BIM technology. The construction method includes the main steps that a main machine hoistingdevice is slowly lifted in the vertical direction, an irregular space grid structure gradually rotates around a hoisting hook of an auxiliary machine hoisting device to be in an in-place posture; based on BIM, coordinates (Xi, Yi, Zi) of the hoisting hook and coordinates (Xj, Yj, Zj) of a hoisting point are dynamically monitored in the rotating process, the distance Lk between the two ends of each hoisting rope is obtained due to conversion, the actual lengths L0 of the hoisting ropes are compared in real time, and a stress state (Lk<L0: a loose state, Lk=L0: a critical state, Lk>L0: a tightened state) of the hoisting ropes are judged. According to the method, in combination with strong construction simulation analysis and a colliding check function of the BIM technology, it is achieved that the irregular space grid structure gradually completes turn-over and base stripping construction in a manner that main and auxiliary hoisting machines are combined from a reasonable splicing posture low in gravity center.

The invention discloses a lithium battery diaphragm. The lithium battery diaphragm comprises the following components in parts by weight: 93-96 parts of N,N-dimethylamide, 10-13 parts of polyacrylonitrile and 1-2 parts of lithium lanthanite oxide. A preparation method comprises the following steps of 1) mixing the N,N-dimethylamide and polyacrylonitrile powder to prepare a solution; 2) adding lithium lanthanite oxide powder into the mixed solution of the N,N-dimethylamide and the polyacrylonitrile, and carrying out uniform stirring by a stirrer; 3) putting a mixed solution into an electrostatic spinning device, carrying out sequential unidirectional spinning, namely, carrying out transverse reciprocating spinning first, and then carrying out longitudinal reciprocating spinning after the end is reached, until an initial point is reached; and continuing the next spinning to ensure that a fiber has three layers, wherein technological parameters of the electrostatic spinning device are asfollows: an electrostatic voltage is 15-20KV, a jet speed is 0.2-0.71ml/h, and a receiving distance is 16cm; and 4) carrying out vacuum drying on the fiber subjected to spinning forming at 45 DEG C for 5 hours so as to complete the preparation. The lithium battery diaphragm is high in structural strength, high in liquid absorption capacity, high in ionic conductivity, and convenient and fast to prepare.

The invention relates to a large-scale fluidization storehouse. The large-scale fluidization storehouse comprises a storehouse top, a storehouse wall, a storehouse bottom and a storehouse foundation. The large-scale fluidization storehouse is characterized in that the storehouse bottom comprises a conical arch, the highest point of the conical arch is located at the center of the storehouse bottom or near the center of the storehouse bottom, the inclined plane of the conical arch extends to the bottom of the storehouse wall, a material flow-assisting device is arranged on the inclined plane of the conical arch, a discharging channel is disposed at the bottom of the storehouse wall, a feeding end of the discharging channel extends nearby the material flow-assisting device arranged on the inclined plane of the conical arch in the storehouse wall, and a discharging end of the discharging channel, which is positioned on the outer side of the storehouse wall, is provided with a channel flow control device. The large-scale fluidization storehouse has the advantages of being simple in structure, small in investment, large in storage capacity, short in construction cycle, low in construction difficulty, easy to maintain, small in occupies area, superior in economy and safety, capable of being widely applied to storage of powdery or granular materials such as fly ash, cement and grain and the like.

A valve arrangement (2) for a high pressure pump is proposed, which valve arrangement (2) has a pump housing (24) with a depression (22), a valve housing (4) which is configured so as to correspond with the depression (22) in the pump housing (24), with the result that it can be inserted into the depression (22), and a clamping disc (6). The valve housing (4) has at least one radial projection (36) with a first axial boundary surface (5) and a second axial boundary surface (44) which is arranged so as to lie opposite said first axial boundary surface (5), wherein the clamping disc (6) extends radially over the radial projection (36) of the valve housing (4) and has a third axial boundary surface (46) which is configured so as to correspond with the second axial boundary surface (44) of the valve housing (4). On the circumferential side, the clamping disc (6) has a thread (40) which can be screwed into a thread (42) on the inner side of the depression (22) in such a way that the valve housing (4) is braced onto the first boundary surface (5).

A reaction tube for multiple nucleic acid amplification, related to the applied technical field of biological science research and medical tests. The reaction tube for multiple nucleic acid amplification comprises a base (1) and multiple reaction tube cavities (3). The base (1) is provided with a reference plane (2). Openings of the multiple reaction cavities (3) are provided on the reference plane (2). The cavities are perpendicular to the reference plane (2) and extended towards the interior of the base (1). The reaction tube for multiple nucleic acid amplification provides the multiple reaction tube cavities (3) on the reference plane (2) of the base (1).

The embodiment of the invention provides a microstructure arrangement method and a diffusion plate, relates to the technical field of optical element design, and aims to solve the problem that a frosted surface is arranged on an optical element, and the optical effect of the optical element is unstable due to the frosted surface. The microstructure arrangement method comprises the following steps: constructing a plurality of first sample points on a reference plane based on a preset arrangement mode; respectively constructing a closed graph by taking each first sample point as a reference point; randomly acquiring a second sampling point in each closed graph; and arranging the microstructure on the surface of the microstructure to be arranged based on the obtained second sample point.

The invention relates to a preparation method of a dependent electrospinning intravascular stent, and belongs to the field of intravascular stents. The preparation method of the dependent electrospinning intravascular stent is characterized by comprising the following steps: dissolving a pH dependent material and PLGA mixed powder into trichloromethane to prepare a solution, and stirring the solution by a reinforcement stirrer to uniformly mix all components into one group; then, taking PLGA powder with the same mass, dissolving the PLGA powder in trichloromethane to prepare a solution, and stirring the solution by the reinforcement stirrer to prepare a second group; respectively sucking the prepared two groups of solutions by injectors, installing the injectors on a controllable injection pump of an electrostatic spinning device, connecting an anode of a high-voltage power supply with metal needles of the injectors, and connecting a cathode of the high-voltage power supply with a rod-shaped rotating shaft of a receiving device; and obtaining the tubular stent formed by nanofibers. The porosity of the prepared intravascular stent is basically consistent, the diameter of the nanofibers is smaller, the arrangement is more regular, and pH sensitivity is reserved. The mechanical strength, the tensile strength, the elongation at break and the bursting strength are all remarkably improved, and the mechanical property is relatively good.

The invention belongs to the technical field of clothes treatment, and aims to solve the problem of poor safety of clothes treatment equipment caused by power transmission of docking terminals and connecting wires in the existing clothes treatment equipment. To this end, the invention provides a wiring assembly for clothes treatment equipment and the clothes treatment equipment, the clothes treatment equipment comprises a circuit board assembly and an electrical device, and the wiring assembly comprises a docking terminal for connecting the circuit board assembly with the electrical device, wherein at least one of the circuit board assembly and the electrical device is connected with the docking terminal through connecting wires, and a part of the connecting wires close to the docking terminal is bent downward to form a waterproof section, so that the lowest point of the waterproof section is lower than the docking terminal. Water and the docking terminal can be fully isolated, and thus the risk that the docking terminal is soaked by water is reduced, so that the operation safety of the clothes treatment equipment is improved.