123results about How to "High process requirements" patented technology

The invention provides a charger outputting different voltages in a self-adaptation mode and an implementation method of the charger. The charger comprises a charging protocol recognition unit and a charging control unit, wherein the charging protocol recognition unit is used for detecting a terminal detecting port, recognizing a charging protocol matched with the mobile terminal and outputting a corresponding feedback signal; the charging control unit is used for feeding back a signal and controlling the output of the voltage regulated in the matched charging protocol to the terminal detecting port. The method includes the steps that the terminal detecting port of the mobile terminal is detected, the charging protocol matched with the mobile terminal is determined, and the current output voltage is changed to the voltage regulated in the charging protocol and then output to the terminal detecting port. According to the embodiment of the charger outputting different voltages in the self-adaptation mode and the implementation method of the charger, the charger can output multiple voltages in the self-adaptation mode, and the requirement of different terminals for voltage can be met; charging voltage can be boosted, large-current charging is guaranteed, EMC is reduced, and the requirement for peripheral components can also be lowered.

An alpha type cyclone separator which belongs to the isolation technique comprises a straight bowl body, a conical bowl body, an ash exhausting pipe, a coping, a liquid inlet, and a liquid outlet. The utility model is of small conical angle and long conical body structure, and the angle between the axes of the liquid inlet and the horizontal direction is of alpha. The coping is a spiral lamina with an obliquity of alpha, and an air inlet and the straight bowl boy, as well as the coping are tangent according to the obliquity alpha of the coping. The alpha is from 5 DEG C to 25 DEG C, and a second class or a second and third circumfluent cyclone separator also can be connected in series. The separating efficiency of the alpha type cyclone separator is obviously superior to a traditional hydrocyclones, and the alpha type cyclone separator is of low pressure drop, small amplification effect, high separation definition, and obvious energy saving effect. The pressure drop is about 70 percent that of traditional hydrocyclones, therefore, the utility model can satisfy the separating demand of high concentration, widely distributed granularity of solid particles, highly required technical process, and great difficulty for classification. The cyclone separator can be widely popularized and applied in chemical engineering, petroleum, metallurgy, medicine, and environmental protection field.

A multi-shaft precision drilling machine tool comprises a machine frame and a working platform on the machine frame. The multi-shaft precision drilling machine tool is characterized in that the multi-shaft precision drilling machine tool further comprises two to six supports (9), two to six power heads (5), a dividing plate (4), a workpiece clamping mechanism and a drilling and covering clamping mechanism, wherein the supports (9) are fixed on the side portion of the working platform and are provided with sliding grooves, the power heads (5) are installed on the supports, and the dividing plate (4) is installed on the working platform; the workpiece clamping mechanism comprises a chuck (12) and a pressing air cylinder (2), wherein the chuck (12) is installed on the dividing plate (4) and rotates along with the dividing plate (4), and the pressing air cylinder (2) is used for pressing a workpiece (19); the drilling and covering clamping mechanism comprises a cantilever (13), a first holder (15) and a second holder (16), wherein the cantilever (13) can be adjusted in the horizontal direction of the sliding grooves of the supports (9), the first holder (15) is installed at one end of the cantilever (13) and can be adjusted in the transverse direction of the cantilever (13), and the second holder (16) is installed on the first holder (15) and can be adjusted in the vertical direction. The multi-shaft precision drilling machine tool has the advantages of being efficient, strong in rigidity, high in stability and machining precision, wide in application range and the like.

The invention relates to a high-pressure reheating gas-steam combined cycle power generation system and a power generation method. The system consists of a gas turbine subsystem and a steam turbine subsystem, wherein the gas turbine subsystem comprises a device used for two-stage air compression, twice combustion as well as high-pressure and medium-pressure twice turbine acting; after primary acting of high-temperature gas, the high-temperature gas enters a medium-pressure combustion chamber and is reheated for secondary acting, so that the average heat absorption temperature of the whole cycle is improved; and at least a one-stage intercooler is arranged between two-stage compressors, and heat flow of the intercooler is connected with the two-stage compressors. The steam turbine subsystem adopts a three-pressure reheating type boiler and a steam turbine, cooling water of the intercooler is connected with high-pressure water, and high-pressure, medium-pressure and low-pressure water as well as the cooling water of the intercooler absorb heat in a staged manner for multiple times, so that heat energy is efficiently utilized. When the high-pressure reheating gas-steam combined cycle power generation system provided by the invention operates with the best parameters, the combined cycle efficiency is increased by 3-5 percentage points compared with a combined cycle system which mainly adopts a gas turbine class F, and the single-machine output power is increased by more than 70%, and reaches 800MW class.

The invention discloses a method for preparing metal thin-wall microtubes. The method includes the steps of material pretreatment, blank manufacture and female die stretching. Tube blanks are fixed in a female die, the tube walls are extruded by a die core which moves on the inner sides of the tube blanks, so that the purpose of reducing the thickness of the tube walls is reduced. The wall thickness of the tube blanks can be continuously thinned by replacing the die core, and then the metal tubes with the thin walls are prepared. The method of severe plastic deformation is adopted to treat materials, so that ultra-fine grained microscopic structures are acquired, and then the deformability of the materials is improved. On the basis, a novel female die stretching technology is adopted, namely the tube blanks are placed in the female die, the overall dimension of the tube blanks is limited, and the die core moves inside the tube blanks, so that the wall thickness of the tube blanks is reduced and generally reaches the needed dimension, then tube stocks are straightened, polished, and eventually finished products are acquired. The method for preparing the metal thin-wall microtubes has the advantages of being high in machining accuracy and yield.

The invention relates to a high-power intracavity frequency-doubled semiconductor disk laser, which belongs to the technical field of semiconductor lasers. According to the invention, the heating effect of the laser is improved by using a heat-dissipating window, the frequency of fundamental-frequency lasers is stabilized and the line width of fundamental-frequency lasers is narrowed by using a filtering device, thereby improving the intracavity frequency-doubled efficiency. A pumping light subjected to collimating and focusing acts on a semiconductor disk gain medium (4), and a high-heat-conductivity heat-dissipating window (5) which is transparent to the pumping light and laser is bonded on the semiconductor disk gain medium; a photon-generated carrier in the gain medium has stimulated radiation in a quantum well (14), a laser cavity consisting of a rear-end mirror (8), an output coupling mirror (7), and a Bragg mirror (16) at the bottom of the semiconductor disk gain medium generates fundamental-frequency lasers, and a nonlinear crystal (10) generates frequency-doubled lasers (11); and the semiconductor disk laser is characterized in that: a filtering device (9) is arranged in the laser cavity, so that the frequency of fundamental-frequency lasers is stabilized effectively, and the line width of the fundamental-frequency lasers is narrowed many times, thereby improving the frequency-doubled efficiency.

The invention brings forward a pallet, which comprises: a pallet body; a plurality of mounting grooves which are arranged along the circumference of the pallet body; and a plurality of small pallets, each small pallet correspondingly being arranged in one mounting groove, werein the pallet body is composed of an insulating material and the plurality of small pallets are composed of a heat conduction and electrically conductive material. The invention also brings forward chemical vapor deposition equipment with the above pallet. According to the chemical vapor deposition equipment provided by the invention, as the turning radius of induced-current is becoming smaller, the surface temperature of the pallet is more uniform, thus raising temperature homogeneity of a substrate processed by the chemical vapor deposition equipment. In addition, the pallet is simply designed and is easy to realize.

The invention provides a 22-meter RZ type folding arm support concrete pump truck. The concrete pump truck comprises an arm support system, a power system, a pumping system, an electrical system and ahydraulic system, wherein the hydraulic system is provided with a hydraulic element for detecting actual workload; a main oil pump is a variable oblique tray type axial plunger pump; and the hydraulic system uses an open circuit. The concrete pump truck is characterized in that: the three-section folding arm support adopts the pivotal RZ type folding; and a front support leg is a JJ type telescopic support leg, and a back support leg is a fixing type vertical oil cylinder; the main oil cylinder adopts a guide sleeve piston rod sealing structure; the arm support system adopts the electronic proportional multi-way valve and the wireless remote control system control; the arm support oil cylinder has a directional interlocking function; and all elements can work independently without interfering with one another. The concrete pump truck has the advantages of pretty good mobility, the integration of running and pumping, high utilization ratio of equipment, small occupied space, low cost,and high pumping height; moreover, when the concrete pump truck is used for the construction of multi storied buildings, pipes do not need to be laid, so that the concrete pump truck can be quickly and conveniently used.

The invention discloses a method for preparing a calcium sulfate whisker from titanium gypsum. The method comprises the following steps: first, purifying the titanium gypsum to obtain pure white titanium gypsum; then preparing the pure white titanium gypsum into slurry with a certain mass fraction, pouring the slurry into an autoclave, adding an admixture and a crystal promoter and carrying out ahydrothermal reaction under certain conditions; after the reaction ends, filtering while hot, washing and drying to obtain the calcium sulfate whisker. According to the method disclosed by the invention, the calcium sulfate whisker is prepared by using industrial by-product titanium gypsum produced in the production process of titanium dioxide by a sulfuric acid method as a raw material; a high value-added calcium sulfate whisker product can be obtained; in addition, a new method for treating a large amount of stacked titanium gypsum is provided for enterprises to produce the titanium dioxideby the sulfuric acid method; the hazards of the titanium gypsum to the environment are reduced and the utilization value of the titanium gypsum in the future market is improved.

The invention provides a graphics processing system. In addition to rendering a first frame representing a first forward view of a scene, a graphics processing system renders one or more further versions of the first frame, each representing a further view of the scene based on a different point in time and / or view orientation. The first frame and / or one or more of the one or more further versionsmay then be subjected to ''timewarp'' and / or ''spacewarp'' processing to generate an output ''timewarped'' and / or ''spacewarped'' image for display.

The invention relates to a hanging type stairwell operating platform mechanism and a construction method thereof. The hanging type stairwell operating platform mechanism is formed by arrangement of a plurality of unit suspension platforms in a tightly propping way, and the unit suspension platforms consist of a plurality of force-bearing hooks embedded in a reinforced concrete wall of a stairwell, two suspensions hanged on the force-bearing hooks and a platform plate laid on the two symmetric suspensions. The construction method comprises the following steps of: (1) planning the specifications of the suspensions of the platform, determining positions for embedment of the force-bearing hooks, and synchronously embedding the force-bearing hooks during the civil engineering of an elevator shaft; (2) laying the unit suspension platforms level by level by operating personnel from an elevator door on every floor to the inside during the installation process; and (3) sequentially removing the unit suspension platforms from the inner side of the elevator shaft to the elevator doors during the removal process. The hanging type stairwell operating platform is a tool type product which can be produced in a factory, the installation and removal can be performed conveniently, reliable bearing can be realized, demands of multiple applications such as structure construction of concave corners of the elevator shaft or exterior walls and installation, maintenance and safety protection of elevators can be satisfied, and high values of use can be achieved.

A system is provided for allowing users to each individually collaboratively interact with a common virtual simulated environment utilizing a plurality of different devices, such as a two-dimensional computer screen and mouse, three-dimensional Virtual Reality (VR) goggles, Augmented Reality (AR) enabled smart phones, headsets, and game consoles. Both real and asynchronized time collaboration are provided.

The invention provides a preparation method of flake silver powder. The method comprises the steps that water, silver salt, a complexing agent, a silver-plated brightener, a dispersing agent, sublimated flake compound crystals and a reducing agent are adopted as raw materials, a chemical plating method is adopted, silver is plated on the surface of the sublimated flake compound crystal until silver ions react completely, and after the reaction is finished, the flake silver powder is directly obtained through separation and purification and processing treatment processes without ball milling. The preparation method has a series of advantages of being low in energy consumption, small in environmental pollution, simple in production process, short in process route, low in the large-scale production equipment investment, high in production efficiency, lower in production cost, good in product dispersion performance, good in product conductivity and the like, the method is suitable for large-scale production, the problems existing in the process of preparing the sheet-like silver powder by a ball milling method are solved, and the method has the good industrialization prospects.

The invention provides an organic light-emitting device (OLED) display panel, a display device and a manufacturing method. The OLED display panel comprises a substrate, multiple photosensitive elements formed on the substrate, multiple touch control detection units, and signal input lines and signal output lines in one-to-one correspondence with the touch control detection units, wherein each touch control detection unit is formed by at least one photosensitive element; the signal input line is connected with the input end of the photosensitive element in the corresponding touch control detection unit for loading touch control detection signals from the touch control circuit; and the signal output line is connected with the output end of the photosensitive element in the corresponding touch control detection unit for outputting current of the photosensitive element to the touch control circuit, and thus, the touch control circuit can recognize touch control operation according to current changes of the photosensitive element. In cell touch is realized on the OLED display device, and compared with the existing OLED display product, the OLED display panel of the invention has a smaller box thickness.

The invention relates to a vibration measurement apparatus based on a laser speckle of a polarized singular-point light beam. With the apparatus, a problem that non-destructive telemetering of vibration information can not be realized in the prior art can be solved. On the basis of the principle of laser speckle excitation by the polarized singular-point light beam and combination with a vector-light field coherent technology, a vector light field coherent technology passes through a light splitter and then irradiates a detected zone; a singular-point light beam laser scattering effect is generated by the detected zone; and a laser speckle passes through an out-of focus optical imaging system to carry out transmission. Another polarized singular-point light beam after light splitting passes through two wave plates; horizontal polarized distribution control is carried out and then reflection is carried out by a reflection element; an overlapped area with a laser speckle light filed exists to form an interference light field; and a photoelectric sensor detects the interference light field information and vibration information is obtained based on information processing. According to the invention, the vibration measurement apparatus has characteristics of non-contact detection, non-destructive detection, remote measurement realization, adjustable performance, high sensitivity and reliability, good anti-interference capability, wide frequency response characteristic, high information quantity, easy system construction, convenient usage, and wide application range and the like.

A translational gearing motor with improved structure is a low-speed large-torque motor integrating a motor with a speed reducer. 4 sets of magnetic poles are arranged in the axial direction, each setof magnetic poles consists of a rotor in the middle and stators at two sides, a coil winding is arranged on the stator, and after being electrified, the winding drives the rotor to move left and right so as to form a unidirectional drive magnetic pole. The four sets of magnetic poles are divided into two pairs with the installation directions vertically intersecting. A slide bush and a main shaftof a through hole in the middle of the rotor form a slide revolute joint and the main shaft is connected with a cycloid external gear through a connecting key. By controlling the working status of the windings of the four sets of magnetic poles, the rotor can be driven to drive the main shaft to generate translation of revolution mode in radial direction and to drive the cycloid external gear anda cycloid annular gear fixed on a machine shell to do gearing motion. According to theory of engagement, the cycloid external gear drives the main shaft to output low-speed large-torque motion. The motor is characterized by not only improving the winding fill rate of a single magnetic pole, but also reducing the control difficulty of magnetic field force of distributed windings by arranging a plurality of unidirectional drive magnetic poles in axial direction.

The invention discloses an adjustable mold heating and clamping platform for a composite material pultrusion machine, relates to an adjustable mold heating and clamping platform, and aims to solve the problems that quality and performance of a product are directly influenced due to the fact that the straightness of the mold center and a traction center cannot be adjusted with a conventional pultrusion machine mold fixing and heating manner. A tension detecting and unloading support is fixedly mounted on the left side of the upper end of a mold heating and clamping platform, a sinking platform is arranged on the mold heating and clamping platform, a support sliding table is mounted on the sinking platform of the mold heating and clamping platform, two adjustable mold clamping devices are glidingly arranged on the support sliding table, a protecting cover is mounted in the middle of the support sliding table, a mold positioning bracket is mounted on one adjustable mold clamping device close to one side of the tension detecting and unloading support, a pultrusion mold is mounted between the two adjustable mold clamping devices and is positioned by the mold positioning bracket, and a heating plate is mounted on the pultrusion mold. The adjustable mold heating and clamping platform applies to composite material pultrusion.

A signal classifier decomposes a subject signal into subbands. The signal classifier then analyzes the subbands for a presence of energy and uses detection logic to classify the energy as being representative of a frame of a signal using one of the following protocols: DTMF, MF-R1, ANS (V.25), LEC-DIS, V.21, or AA (i.e., telephone, facsimile, or modem). The detection logic is expandable to detect future protocols. The classifier may employ a preclassifier to select a reduced number of notch filters from among plural notch filters at frequencies which sinusoidal signals composing the energy in the subbands of the protocols may be found. A look-up table having predetermined ranges of data corresponding to the frequencies of the sinusoidal signals may be used to reduce calculation times. By splitting the subject signal into subbands and using efficient filters, the classifier uses an order of magnitude fewer processor instruction cycles than previous classifiers. The classifier is useful in inter-networking devices, such as a media gateway, to facilitate telephony services, such as VoIP.

A computer system scans image files for pornographic image content by pre-filtering image files to detect the presence in copyright data fields of stored items of copyright information deemed to indicate that the image file is one of acceptable or unacceptable. On detecting such items of copyright information, a signal is output indicating that the image file does or does not contain pornographic image content without the need to analyse the image content of the image file.

The invention provides a preparation method for flaky nickel powder. According to the method, water, nickel salt, a complexing agent, a nickel plating brightening agent, a dispersing agent, an antioxidant, a sublimable flaky compound crystal template and a reducing agent serve as raw materials, a chemical plating method is adopted, the surface of the flaky compound crystal template is plated withnickel until nickel ions are reacted completely, and after a reaction is completed, by means of the technological processes of separation and purification and processing treatment, the flaky nickel powder is directly obtained without ball milling. By means of the technical scheme, the preparation method has a series of beneficial effects that the energy consumption is low, the environmental pollution is small, the production process is simple, the process route is short, the investment of large-scale production equipment is small, the production efficiency is high, the production cost is low,and the dispersing performance and the conductive performance of the product are good; and the preparation method is suitable for large-scale production, the problem existing in the process of preparing the flaky nickel powder through a ball milling method is solved, and the industrialization prospects are good.

The invention discloses a shutdown gas ethane pipeline restart system and method. The system comprises a main line start point valve group and temperature, pressure and flow detection system, a main line tail end valve group and temperature, pressure and flow detection system and a main line tail end bypass valve group and tracing pipeline system. By means of the shutdown gas ethane pipeline restart system, operation pressure is provided by an ethane pipeline, it is allowed that liquid ethane is formed in a pipeline, and the pipe diameter is reduced; in the restart process, when gas ethane enters the upstream, ethane is exhausted through a bypass to control the ethane gas emission, heat is exchanged between new ethane and accumulated ethane, and accumulated liquid ethane is slowly gasifiedby reducing pipeline pressure within a small range; in the restart process, by means of the bypass stainless steel valve group and tracing pipeline system, throttled ethane is prevented from producing low-temperature influences on the pipeline system, the temperature is further improved at a certain degree, and throttled ethane is prevented from producing low-temperature influence on the downstream system; and in the restart process, ethane continuously exhausted in the start process can enter the downstream system.

The invention relates to a suspension type automatic lifting type spraying and baking integrated house. The suspension type automatic lifting type spraying and baking integrated house is characterized in that an air exhaust device, an air supply device, a heating device, an inflow air filter device and an air feeder are arranged on the same side outside a house body; the spraying and baking house body is shaped like a bottomless box, the walls of the house body are made of high-temperature-resistant cold-resistant anti-static flame-retardant PVC (Polyvinyl Chloride) folding cloth and are connected with a foldable frame into a whole, a lower frame is arranged on a lower opening of the house body, lifting lugs are arranged on the four corners of the lower frame, one end of a steel cable is configured on the lifting lugs, and the other end of the steel cable is configured on a house body driving lifting mechanism on a roof frame; a magnetic stripe is arranged at the bottom of the lower frame of the house body, and channel steel is arranged on a foundation corresponding to the magnetic stripe. The spraying and baking integrated house not only has all functions in the prior art, and simultaneously has the function that if the operation is finished or the house can not be used for a long time, a carrier of the lifting house can be lifted to a high altitude, and a space is formed in an operation region to be used for other operations.

The invention discloses a construction method of a nutrient carrying system based on nano-food. The construction method is characterized in that (1) one or more nutrients and a nano-food are mixed uniformly to form a mixture, wherein a mass ratio of the one or more nutrients and the nano-food is 1: (4 to 200); a lipid content of the nano-food is less than 12%; and a peak value of a particle size distribution curve of the nano-food is less than 400 nm; (2) if the above mixture is in a solution system, a solution concentration is adjusted to a concentration of 0.5 to 55% by nano-food weight; a solution pH is adjusted to a pH of 2.2 to 13; an ion strength converted into a sodium ion concentration is in a range of 0.001 to 5 mol / L; and at a temperature of 0 to 85 DEG C, an ultrasonic vibration process adopting a power density of 0 to 65 W / cm <2> is carried out and nano-food clusters are obtained after a gathering process for 1 to 48 hours; or if the above mixture is in a solid state, nano-food clusters are obtained through a gathering process lasting for 2 to 80 hours under the conditions of a pressure intensity controlled in a range of 0.05 to 4 MPa, a temperature controlled in a range of 0 to 230 DEG C and a relative humidity controlled in a range of 0 to 100%; and (3) the nano-food clusters are packaged in a vacuum and then are stored at normal temperature or low temperature. Through the construction method, nutrients are wrapped in nano-food clusters thus nutrient carrying is realized; a stability of carried nutrients is improved and nutrients carried by nano-food clusters can be stored in liquid form or solid form thus the degradation of nutrients can be reduced or even avoided and conditions of after processing are relaxed; and a bioavailability of nutrients carried by nano-food clusters is improved greatly.

The invention relates to an enamelled wire for a network transformer, which comprises a copper core conductor and a high temperature-resistant polyurethane coating layer as well as a neloy paint layer which are arranged out of the copper core conductor, wherein the volume of the high temperature-resistant polyurethane coating layer and the neloy paint layer is 40-60% of that of the enamelled wire for the network transformer; and the volume of the neloy paint layer is 1-3% of that of the enamelled wire. The manufacture method of the enamelled wire comprises the following steps of: firstly dragging copper material to be a naked copper wire; cleaning and annealing the naked copper wire; coating an insulated paint layer with a felt and baking, wherein the paint is coated at 15-20 ways, the paint is coated for once, and the baking is performed for once; and coating a layer of the neloy paint layer on the surface of the insulating paint layer and baking. The enamelled wire has the advantages of thick paint film, high voltage resistance, large elongation percentage, large tensile strength and the like, and can be applied to electric devices with high correlative machining requirement, small space requirement and the like such as the network transformer and the wave filter, etc.

The invention discloses a hook structure for installing a photovoltaic module on a roof. The hook structure is characterized by comprising a hook base, an upper hook, and a bolt assembly connecting the hook base and the upper hook, wherein toothed structures engaged with each other are arranged at the joints of the hook base and the upper hook respectively. The hook structure has the up-down adjusting function, and can be applied to installing the solar panel on any sloping roof.

The invention relates to an embedded cylindrical nut anchor bed and a use method thereof. The embedded cylindrical nut anchor bed comprises a cylindrical body with a first inner threaded hole, wherein the front end part of the cylindrical body is provided with a positioning flange part which is provided with a positioning hole, and the rear end part of the cylindrical body is closed and is provided with a round hole connected with a structural reinforcing steel bar; or the rear end part of the cylindrical body is provided with a second threaded hole in threaded connection with the structural reinforcing steel bar. The use method comprises the following steps of: (1) arranging a plug screw into the inner threaded hole inside at the front end part of the embedded cylindrical nut anchor bed by using a tool; (2) connecting the rear end part of the embedded cylindrical nut anchor bed with the structural reinforcing steel bar; (3) jacking the positioning flange part on a template and fixing the positioning flange part on the wood template by using iron screws or self-tapping screws; and (4) pouring concrete into the wood template, detaching the wood template after the concrete is set, and when an external structure is in need of the embedded cylindrical nut anchor bed, arranging the external structure in the first inner threaded hole in a screw joint manner.

The invention relates to a selenium strontium feed additive, which comprises the following ingredients in parts by weight: 10 to 20 parts of selenate or selenite, 15 to 25 parts of zinc sulfate, 15 to 25 parts of strontium chloride, 10 to 20 parts of calcium chloride, 10 to 20 parts of sodium chloride and 3 to 5 parts of compound sodium nitrophenolate. A production process of the selenium strontium feed additive comprises the steps of material preparation, proportioning, stirring, crushing, inspection and package. The production process is carried out under the dry and sealed conditions, and the air humidity is required to be lower than 75 percent. A use method comprises the following steps that the selenium strontium feed additive and the feed are mixed and stirred according to a weight ratio of 1:(5000-20000) according to the concentration of the selenium strontium feed required by livestock and poultry eggs; for the livestock, the feed mixed according to the weight ratio only needs to be continuously fed to the livestock and the poultry in 20 to 30 days before the killing; and for poultry eggs, only the poultry in the egg laying peak period need to be selected to be continuously fed with the feed mixed according to the weight ratio for 7 to 10 days, and eggs containing selenium and strontium can be produced.

The invention discloses a light path light split unit and a coaxial wire feed cladding head thereof. The light path light split unit comprises a plurality of adjustable reflecting mirrors and at leastone-stage light split reflecting motor, the adjustable reflecting mirrors are distributed all around the light split reflecting motors, the light split reflecting motors can divide incident light beams into a plurality of light split light beams perpendicular to the incident light beams, and each light split light beam focuses on a point through the adjustable reflecting mirrors; and the coaxialwire feed cladding head comprises a cladding head mirror cavity provided with the light path light split unit and a wire feed pipe, the wire feed pipe and collimated laser beams are coaxially arranged, the wire feed extends out of the cladding head mirror cavity, a wire sequentially passes through the wire feed pipe and a wire feed nozzle, and the adjustable reflecting mirrors can adjust the lightsplit light beams to focus on the wire. According to the light path light split unit and the coaxial wire feed cladding head thereof, light split light paths are formed through the light split unit,so that the adjustable reflecting mirrors adjust angles of the light split light beams and the wire, wire molten drops are located right above a base material molten pool in the process of coaxial wire feed, and meanwhile, it is ensured that energy of the light split light beams focusing on the top end of the wire is equally distributed.

The invention discloses a machining method for large-length-diameter-ratio deep through holes in the end face of a round plate. The method includes the following steps that S1, a material plate is fed, wherein the side faces of the material plate at least comprise a pair of parallel positioning faces used for clamping and positioning; S2, the faces of the material plate are held horizontally, machining allowance for forming an internally-cut round plate face is reserved, and the positions of the two ends of each deep through hole are marked on the surface of the material plate; S3, guiding holes are machined, wherein the material plate is clamped on a machine tool through the positioning faces, and the positions A1, A2, A3...An and the positions B1, B2, B3...Bn are each provided with one guiding hole in the directions of the axes of the deep through holes; S4, small through holes are pre-formed through a perforating machine, wherein the perforating machine starts to form the through holes with the hole diameter smaller than the hole diameter required during machining from the guiding holes along the axes; S5, wire-cutting low-speed feeding is performed, and hole expanding is performed till the deep through holes with the hole diameter meeting the machining requirement are formed; and S6, a workpiece is taken down, and the periphery of the material plate is turned till the peripheral face meets the size requirement. The machining method is good in clamping and positioning, and the precision of the machined deep through holes is high.