35results about How to "Fully excited" patented technology

The invention discloses bearing-free switch reluctance motor having an axial-direction parallel hybrid structure and a control method of said motor. A motor stator is composed of a reluctance motor stator and a magnetic bearing stator. A rotor is composed of a salient pole rotor and a cylinder rotor. The windings are composed of torque windings and suspension windings. The torque windings are composed of reluctance motor windings and wide-tooth windings and the number of the torque windings is identical to phase number m. The suspension windings are two and are arranged in the radial direction. The magnetic bearing stator is composed of four E-shaped structures and the width of each middle tooth is twice of the rest. According to the invention, suspension current is calculated according to a suspension force direction. Current of the torque windings and switching-on and switching-off angles of a power circuit are controlled separately and rotation speed and torque are controlled in real time. Current of the two suspension windings is controlled separately, suspension forces are regulated in real time and mutual decoupling is realized in rotation and suspension. According to the invention, the quantity of control variables is small; suspension control is simple; and a power converter of a suspension system is low in cost.

The invention discloses a cone-beam X-ray luminescence tomography system of combination imaging and a method thereof. The system comprises a charge-coupled device (CCD) camera, an X-ray source, an X-ray detector, an electronic control rotating table and a narrow-band filter, wherein the CCD camera, the X-ray source, the X-ray detector, the electronic control rotating table and the narrow-band filter are coupled with a lens. The CCD camera and the narrow-band filter are fixed in the same direction, and then a to-be-imaged object, the CCD camera and the narrow-band filter are located on the same straight line; the X-ray source and the X-ray detector are placed in the direction perpendicular to the CCD camera, and then the X-ray source, the to-be-imaged object and the X-ray detector are located on the same straight line; and the CCD camera, the electronic control rotating table, the X-ray source and the X-ray detector are controlled to operate by using a computer. According to the cone-beam X-ray luminescence tomography system of the combination imaging and the method thereof, use ratios of X-rays are improved, and medicine of the to-be-imaged object can be fully excited; X-ray irradiation time is shortened, X-ray irradiation doses are reduced, and popularization and application of X-ray excitation imaging are benefited; information fusion of two types of imaging modals is achieved, and more biological characteristics of the to-be-imaged object are acquired.

The present invention discloses a taper magnetic bearing switched reluctance motor and a control method thereof. The motor is composed of a switched reluctance motor and two taper magnetic bearings; the bias windings of the two taper magnetic bearings are connected in series with the winding of the switched reluctance motor to a form m-phase torque winding; two vertical suspension windings of each taper magnetic bearing are configured to control the suspension with two degrees of freedom, have four vertical degrees of freedom and are able to perform decoupling control; the axial suspension windings of the two taper magnetic bearings are connected in series to form an axial suspension winding for controlling the axial suspension; the motor is able to independently control the opening and closing angles of a torque winding current and power circuit to control the rotating speed and the torque in real time; and the motor is able to control five suspension winding currents to regulate the suspension forces in five directions so as to realize the suspension with five degrees of freedom. The taper magnetic bearing switched reluctance motor and the control method thereof are small in control variables, simple in suspension control and low in cost of a suspension system power converter.

A physiotherapy table for treating peripheral neuropathy due to diabetes belongs to the technical field of medical instruments, and comprises a power supply 1, an intelligent controller 2, a keystroke interface 3, a digital displayer 4, a polarity control circuit 5, an impulse control circuit 6, a self-checking circuit 7, a first booster transformer 8, an output electrode 9 and a housing 10. The physiotherapy table has the following advantages: using the mutual inductance between two coils to produce two opposite induced current; and using a double-surface electrode to form a loop in local parts, which can produce low-frequency sine wave to simulate the frequency and strength of stimulation of muscular bioelectricity, thereby improving blood and lymph circulation in local tissue, ensuring bioelectric currents of human body work normally, creating a microenvironment for peripheral nerve repair, serving the function of speeding up the growth of the neural axon and the proliferation of Schwann cells, and establishing a novel therapeutic mode in response to peripheral neuropathy due to diabetes.

The invention discloses a method for growing nanocrystalline silicon powder. The method comprises the following steps: introducing gas mixture into a reaction chamber from gas inlet pipelines; inputting radio frequency alternating current into electrodes which are vertically arranged by a radio frequency source to cause working gases to discharge to form a plasma zone between quartz plates; enabling reactive gases to be decomposed by plasmas in the plasma zone, and enabling fragments obtained after decomposition to form nanocrystalline silicon cores; controlling the time spent on flowing through the plasma zone by the reactive gases by adjusting the flow of the introduced gases and / or adjusting the pressure of the reaction chamber, and controlling the sizes of the grown nanocrystalline silicon particles by controlling the retention time; and enabling the nanocrystalline silicon particles to stop growing after flowing out of the plasma zone along with airflow, and carrying out collection on a connection net to obtain the nanocrystalline silicon powder with uniformly distributed particle sizes. The method disclosed by the invention is simple to operate, has lower requirements for temperature, dispenses with heating devices, can be used for producing nanocrystalline silicon powder with uniformly distributed and controllable particle sizes, and can realize industrial production.

The invention relates to an all-digital energy-adjustable spark light source, and belongs to the technical field of spectrum analysis. The spark light source comprises an excitation control system, a spark energy-adjustable power supply circuit, a high-voltage ignition circuit, an argon control circuit, a control system and a USB interface control circuit. A computer transmits to an interface circuit through a USB interface by using control software; the interface circuit is connected with an excitation control circuit; and the excitation control system transmits control pulses to control the magnitude of the voltage of the spark power supply circuit so as to control the magnitude of the energy of spark discharge. In the excitation, an analytical gap is ionized by the high-voltage ignition circuit at first, and then the spark power supply circuit performs the spark discharge; in the excitation, the excitation control system controls the switching on and the switching off of argon simultaneously; and signals sampled in the excitation are transmitted to the computer through the USB interface. The all-digital energy-adjustable spark light source has the advantages that: the excitation discharge frequency and the spark discharge energy can be set continuously on the software to facilitate analyzing chemical compositions of materials with different properties; and excitation control signals are transmitted through optical fibers, so the anti-interference capacity is strong.

The invention provides a radio frequency electrodeless ultraviolet source and belongs to the technical field of microelectronics and photoelectronics of the electronic information technology. The problems that the power of a low-frequency electrodeless lamp is limited because of hard radiating, the EMC index is difficult to reach, selling price is high, and market promotion is hard are solved. According to the radio frequency electrodeless ultraviolet source, a method for improving working efficiency is used, a coil is used as a sending antenna, a metal shield grid layer is designed to improve light efficiency, a hollow-pipe-shaped core column is used as an effective radiating structure, and the electric design scheme meets the requirement for electromagnetic compatibility. The radio frequency electrodeless ultraviolet source comprises a bulb and a high-frequency electromagnet wave generator. The bulb is of a hollow pipe structure, a sending coil and the metal shield grid layer are arranged in a bulb body, and the high-frequency generator comprises a high-frequency circuit, a planar transformer, a power element and a socket. The radio frequency electrodeless ultraviolet source has the advantages of being high in light efficiency, small in heat emission amount, good in radiating and long in service life, the EMC index meets the national test standard, and development and production cost is low. The high-power ultraviolet source is great in performance.

The invention relates to a full digital power continuously-adjustable inductance coupling plasma RF (Radio Frequency) light source belonging to the field of inorganic analytical instruments. The full digital power continuously-adjustable inductance coupling plasma radio-frequency light source comprises an RF control circuit, a power control circuit, a power source circuit, an RF power generator circuit, a gas circuit control circuit, a directional coupler and a power output circuit, wherein a computer is connected with the RF control circuit by adopting a serial port, sends a control signal and transmits output power as a parameter to the RF control circuit; the control signal is accessed to the power control circuit through the RF control circuit; the power control circuit controls the output voltage of the power source circuit according to the size of the control signal; RF power enters the power output circuit through the directional coupler; and an output power signal enters the power control circuit for closed loop feedback. The invention can realize light source ignition automation and argon control automation and can continuously set the light source output power on software at a range from 650 W to 2000 W, thereby being beneficial to analyzing the chemical compositions of materials with different performances.

The invention provides a CSP light source and a manufacturing method thereof, which includes a light-emitting chip, on which a fluorescent colloid layer is arranged, and around the light-emitting chip and the fluorescent colloid layer are surrounded by an outer colloid layer with reflective properties. The manufacturing method of the CSP light source of the present invention comprises: (1) pasting the transparent adhesive film on the carrier plate; (2) pasting the fluorescent adhesive film on the transparent adhesive film; (3) coating the liquid transparent silica gel film on the fluorescent adhesive film ; (4) Mount the light-emitting chip on the liquid transparent silicone film and cure it by heating; (5) Cut out a channel with a specific width along the edge of the transparent silicone layer next to the light-emitting chip; (6) In the cut out channel Coating with reflective coating and curing. The CSP light source of the present invention is equipped with an outsourcing colloidal layer with reflective properties, forming a light-gathering structure, which is beneficial to light-gathering, reduces luminous flux loss, improves the overall brightness of the light source, and increases the central light intensity; and because the fluorescent glue layer is located in the blue light Right above the light-emitting chip, the phosphor powder can be fully excited, which improves the light extraction efficiency of the light source.

The invention discloses a hybrid radial conical magnetic bearing switch reluctance machine and a control method. The machine comprises a switch reluctance machine, two radial magnetic bearings and two conical magnetic bearings, wherein one of the radial magnetic bearings and one of the conical magnetic bearings are arranged at one side of the switch reluctance machine, the other two bearings are arranged at the other side of the switch reluctance machine, bias windings of four magnetic bearings are connected in series with a winding of the switch reluctance machine to form an m-phase torque winding, torque control is the same as a traditional control mode of the switch reluctance machine, five directional suspension forces are only related to a current of the m-phase torque winding and a current of each directional suspension winding, the suspension forces are decoupled to one another, and the torque and the suspension forces can be in decoupling control. The machine and the control machine are high in integration, a few in control variable and simple in suspension control, and a suspension system power converter is low in cost.

The invention discloses a four-degree-of-freedom composite structure bearingless switch reluctance machine and a controlling method thereof. The motor is composed of a switch reluctance machine and two radial magnetic bearings. Each magnetic bearing stator is formed by four E-type structures; one suspension winding and one armature winding wind around a middle tooth of each E-type structure; and one bias winding and one armature winding wind around two tooth windings. One armature winding winds around each tooth of the switch reluctance machine and crosses over the two magnetic bearing stators and a switch reluctance machine stator. An A-phase armature winding forms one phase; and B-phase and C-phase armature windings and bias windings are connected in series to form another two phases. A torque controlling way is identical with a traditional switch reluctance machine controlling way. The suspension force at a certain direction of each magnetic bearing is only related with a three-phase armature winding current and a suspension current at the direction; and the torque and the suspension force as well as the torque and the radial suspension force is in decoupling controlling. The suspension controlling becomes simple; and the outputs of the suspension forces are balanced and symmetric.

The present invention relates to a semiconductor light source using LED chip as light-emitting body. It is characterized by that single LED chip is sealed by using transparent epoxy resin, its exterior is coated with fluorescent powder so as to form light-emitting unit; several light-emitting units are parallelly-connected by means of conductor, and fixed and sealed on the conductive light-reflecting surface of light-reflecting body by using transparent epoxy resin. The positive electrode of LED chip is welded with the conductive light-reflecting surface, the negative electrode of said LED chip is connected with negative electrode of LED chip drive circuit output by means of wire, and the positive electrode of LED chip drive circuit output is connected with conductive light-reflecting surface of the light-emitting body by means of another wire so as to form an ultrahigh luminance line lamp. Said invention also can be made into various forms, and can adopt the LED chip capable of sending different color lights and correspondent fluorescent powder coating layers so as to form the light source capable of sending different colors.

A stomach and spleen invigorating glutinous rice cake containing modified yeast is made from, by weight, 30-40 parts of modified dry yeast powder, 240-260 parts of glutinous rice, 6-8 parts of high-strength starch, 3-5 parts of maltodextrin, 1-3 parts of amino acid, 2-4 parts of taurine, 2-4 parts of black alum, 3-5 parts of black dates, 2-4 parts of walnut kernels, 3-5 parts of jasmine, 1-3 parts of radix angelica sinensis, 2-4 parts of fructus amomi, 2-4 parts of cortex magnoliae officinalis, 3-5 parts of rhizoma sparganic, 2-4 parts of squama manis, 1-3 parts of medicated leaven, 3-5 parts of malt, 2-4 parts of carapax trionycis, 2-4 parts of carapax et plastrum testudinis, 3-5 parts of flos carthami, 4-6 parts of Hainan agarwood, 2-4 parts of bear gall powder and 6-8 parts of honeycomb. The cake has the advantages that the formula is reasonable, the making method is simple, mineral substances and yeast are mixed and compounded, traditional yeast powder is modified, the sufficient stimulation of nutritional elements of yeast powder is ensured, the cake is made from Chinese herbal medicines with stomach and spleen invigorating functions, stomach and spleen invigorating medicine effects are achieved in the cake, the nutrition of the cake is ensured, and the cake is suitable for various types of people.

The invention discloses a mixed magnetic bearing dual-winding switch reluctance motor and a control method. The motor consists of a switch reluctance motor and two radial magnetic bearings; a magnetic bearing stator is formed by four E-shaped structures, and the middle tooth of each E-shaped structure is wound with a suspension winding; each tooth of the switch reluctance motor is wound with a bias winding and a reluctance motor winding separately; the bias winding transversely crosses two magnetic bearing stators and a switch reluctance motor stator while the reluctance motor winding only winds the reluctance motor stator; two windings are connected in series to form a torque winding string, and a three-phase torque winding can be formed; the torque control is the same as the control way of the conventional switch reluctance motor; the suspension force in two directions of each magnetic bearing is only related to the three-phase torque winding current and two suspension currents, and decoupling control of the torque and the suspension force can be realized; the motor and the control method disclosed by the invention are high in integration degree, less in control variables and simple in suspension control, and the suspension power converter is low in cost; and design of decoupling control of the torque and the suspension force can be realized.

The invention relates to a method for increasing the bleaching effect of pure cotton fabric using peracetic acid, and belongs to the technical field of textile dyeing and finishing. The following process is adopted: (1) adding lauryl amine polyoxyethylene ether containing 10 ethylene oxides with the mass concentration of 0.05% into water, after dissolution, adjusting the pH value to 4-4.5, adding anatase type titanium dioxide particles with the mass concentration of 0.1% and carrying out ultrasonic treatment for 10 minutes; (2) immersing the pure cotton fabric to be bleached into the treating solution with a bath ratio of 10:1, and using a UV light with a dominant wavelength of 365 nm to irradiate above the treating solution for 15-20 minutes; (3) after completion of the treatment, filtering the solution to remove the titanium dioxide particles, adding a conventional amount of peracetic acid into the treating solution after filtration and bleaching the pure cotton fabric under conventional conditions. The purpose of the invention is to provide a method for increasing the bleaching effect of pure cotton fabric using peracetic acid; the ultraviolet excited titanium dioxide and polyoxyethylene ether containing 10 ethylene oxides are cooperatively used to pretreat the pure cotton fabric, so that the follow-up bleaching effect of the conventional peracetic acid is improved greatly, and the whiteness of the fabric is increased.

A healthcare glutinous rice cake containing modified yeast is made from, by weight, 30-40 parts of modified dry yeast powder, 240-260 parts of glutinous rice, 6-8 parts of high-strength starch, 3-5 parts of maltodextrin, 1-3 parts of amino acid, 2-4 parts of taurine, 3-5 parts of fructus lycii, 3-5 parts of dried radix rehmanniae, 2-4 parts of green tea, 3-5 parts of rock candy, 2-4 parts of fructus schizandrae, 3-5 parts of felwort, 2-4 parts of polygonum cuspidatum, 2-4 parts of radix ophiopogonis, 3-5 parts of radix asparagi, 2-4 parts of radix angelica sinensis and 2-4 parts of radix astragali. The rice cake has the advantages that the formula is reasonable, the making method is simple, mineral substances and yeast are mixed and compounded, traditional yeast powder is modified, the sufficient stimulation of nutritional elements of yeast powder is ensured, the cake is made from Chinese herbal medicines with healthcare and fitness functions, healthcare medicine effects are achieved in the cake, the nutrition of the cake is ensured, and the cake is suitable for various types of people.

The invention provides a CSP (Chip Scale Package) light source and a manufacturing method and a manufacturing die for the same. The CSP light source comprises a light emitting chip; a fluorescent adhesive layer is arranged at the top of the light emitting chip; the periphery of the light emitting chip is surrounded with a reflective adhesive layer with reflection performance; a combining positionof the fluorescent adhesive layer and the reflective adhesive layer is of an inclined structure. Bosses and grooves are formed at intervals in a cavity of the manufacturing die for the CSP light source, which is provided by the invention. The manufacturing method for the CSP light source, which is provided by the invention, comprises the steps of: (1) fixing the light emitting chips on the bossesof the manufacturing die for the CSP light source; (2) coating a reflective adhesive between the light emitting chips and in the grooves and carrying out curing; (3) taking out a combined body of thelight emitting chips and the reflective adhesive and placing inversely; (4) full filling a fluorescent adhesive at a concave position of the combined body of the light emitting chips and the reflective adhesive and carrying out curing; and (5) cutting a cured module apart along the central axes of the adjacent light emitting chips to divide into single independent light sources. According to the invention, light emitted by a flip chip can be gathered at the top of the light source so as to well avoid leakage of the light from the bottom and promote integral light emergent efficiency of the light source.

The invention discloses an axial magnetic flux leakage prevention three-rotor motor and an assembling method thereof. The three-rotor motor comprises a shell, a stepped shaft, a stator assembly and arotor assembly. The stepped shaft is rotationally installed in the shell. The stator assembly comprises an inner sleeve, a stator core and an outer sleeve. The outer sleeve is fixed on the inner wallof the shell and wraps the stator iron core. The stator core is fixed in the outer sleeve and is used for winding the winding. The inner sleeve is fixed in the stator core, and the stepped shaft penetrates through the inner sleeve. The rotor assembly comprises two lateral magnetic rings, a magnetic flux leakage prevention structure and two fixing discs. The magnetic flux leakage prevention structure comprises an inner magnetic ring and an outer magnetic ring. The inner magnetic ring is fixed on the stepped shaft and is positioned between the two lateral magnetic rings and in the inner sleeve.The outer magnetic ring is fixed on the inner walls of the fixing discs. According to the invention, the magnetic field of the double rotors can be enhanced, the magnetic flux leakage prevention structure is utilized to generate third rotating torque, magnetic leakage is reduced, mechanical energy converted from magnetic energy can be concentrated on the stepped shaft, and the utilization rate ofthe motor for electric energy can be improved.

The invention belongs to the field of tea preparation, and discloses a making technology of dried orange peel and mandarin orange tea buds. The making technology comprises the following steps of firstly, selecting complete dried orange peel comprising dried orange peel segments, performing softening, and trimming the softened dried orange peel segments, so that the edges of the dried orange peel segments are in the shape of a smooth arc; fixing the softened dried orange peel with a mold, performing stuffing with tea leaves, extruding the tea leaves downwards through the opening of a mold fromthe tea buds, placing the extruded tea leaves in a drying machine, and performing drying and shaping; and placing the shaped dried orange peel and mandarin orange tea buds in the sun for airing. The steps are simple to realize. Compared with a conventional technology in which time for repeated washing and flesh digging is consumed, the technology disclosed by the invention also saves massive time,so that the making technology is extremely easy to promote. When the made tea is infused, the dried orange peel segments are dispersed naturally in tea soup, the mandarin orange buds fall down, the tea leaves are sufficiently dispersed, the stale flavor of dried orange peel, the delicate fragrance of the tea leaves and the mandarin orange taste of the mandarin orange buds can be sufficiently activated, and the dried orange peel and mandarin orange tea buds have the health-preserving efficacy of the dried orange peel.

The invention relates to an all-digital energy-adjustable spark light source, and belongs to the technical field of spectrum analysis. The spark light source comprises an excitation control system, a spark energy-adjustable power supply circuit, a high-voltage ignition circuit, an argon control circuit, a control system and a USB interface control circuit. A computer transmits to an interface circuit through a USB interface by using control software; the interface circuit is connected with an excitation control circuit; and the excitation control system transmits control pulses to control themagnitude of the voltage of the spark power supply circuit so as to control the magnitude of the energy of spark discharge. In the excitation, an analytical gap is ionized by the high-voltage ignition circuit at first, and then the spark power supply circuit performs the spark discharge; in the excitation, the excitation control system controls the switching on and the switching off of argon simultaneously; and signals sampled in the excitation are transmitted to the computer through the USB interface. The all-digital energy-adjustable spark light source has the advantages that: the excitation discharge frequency and the spark discharge energy can be set continuously on the software to facilitate analyzing chemical compositions of materials with different properties; and excitation control signals are transmitted through optical fibers, so the anti-interference capacity is strong.

The invention discloses a light guide plate which comprises a base body, wherein the base body is provided with an upper surface and a lower surface opposite to each other; the upper surface serves asa light-exiting surface of the base body; printing ink net points are arranged on the lower surface; fluorescent powder net points are arranged on the upper surface; the printing ink net points and the fluorescent powder net points are arranged in a staggered manner; fluorescent powder is arranged on the printing ink net points and the fluorescent powder net points; and the fluorescent powder isexcited by blue light. According to the light guide plate provided by the invention, excited light reflected for many times is ejected from the upper surface of the base body, so that the excited light can be fully excited by the fluorescent powder, and therefore, the light-emitting chromaticity is uniform, and the light guide effect is improved. The invention also provides a backlight module provided with the light guide plate.

The invention provides an LED encapsulating method. The method comprises the steps of: A1, providing an encapsulation bracket for fixing and encapsulating the LED chip on the encapsulation bracket; A2, pasting a first encapsulation adhesive layer, which covers the light outputting surface and the side face of the LED chip and is a silicon dioxide-silica gel composite layer; A3, pasting a second encapsulation adhesive layer on the surface of the first encapsulation adhesive layer, which includes an lower layer structure and an upper layer structure; and A4, pasting a third encapsulation adhesive layer on the upper layer structure of the second encapsulation adhesive layer. The lower layer structure is a fluorescent adhesive layer; the upper layer structure is a transparent silica gel layer;and the third encapsulation adhesive layer is a fluorescent adhesive layer. By adoption of the LED lamp bead prepared by the method, the whole light outputting effect and light outputting amount arebetter improved.

The present invention discloses a multi-vitamin edible yeast powder. The multi-vitamin edible yeast powder consists of the following components in parts by weight: 100-120 parts of modified dry yeast powder, 10-20 parts of polished round-grained rice powder, 3-5 parts of maltodextrin, 6-8 parts of glucose, 8-10 parts of corn starch, 3-5 parts of xylitol, 1-3 parts of amino acids, 2-4 parts of amylase, 2-4 parts of sodium chloride, 3-5 parts of ammonium sulfate, 3-5 parts of calcium carbonate, 2-4 parts of vitamin P, 2-4 parts of vitamin PP, 1-3 parts of vitamin M, 2-4 parts of vitamin T, 1-3 parts of vitamin U, 2-4 parts of vitamin C, and 25-35 parts of plant cement gum. The beneficial effects of the multi-vitamin edible yeast powder are as follows: the recipe is reasonable and the preparation method is simple. The multi-vitamins are mixed and blended with trace elements, the traditional yeast powder is subjected to a modification treatment, the nutrients of the traditional yeast powder itself are fully stimulated, at the same time, the stimulated nutrients are easily to be reasonably compound with extraneous elements, thereby the prepared yeast powder is comprehensive in nutritional value and suitable for a variety of population to eat.

The invention discloses a hybrid radial conical magnetic bearing switch reluctance machine and a control method. The machine comprises a switch reluctance machine, two radial magnetic bearings and two conical magnetic bearings, wherein one of the radial magnetic bearings and one of the conical magnetic bearings are arranged at one side of the switch reluctance machine, the other two bearings are arranged at the other side of the switch reluctance machine, bias windings of four magnetic bearings are connected in series with a winding of the switch reluctance machine to form an m-phase torque winding, torque control is the same as a traditional control mode of the switch reluctance machine, five directional suspension forces are only related to a current of the m-phase torque winding and a current of each directional suspension winding, the suspension forces are decoupled to one another, and the torque and the suspension forces can be in decoupling control. The machine and the control machine are high in integration, a few in control variable and simple in suspension control, and a suspension system power converter is low in cost.

A physiotherapy table for treating peripheral neuropathy due to diabetes belongs to the technical field of medical instruments, and comprises a power supply 1, an intelligent controller 2, a keystroke interface 3, a digital displayer 4, a polarity control circuit 5, an impulse control circuit 6, a self-checking circuit 7, a first booster transformer 8, an output electrode 9 and a housing 10. The physiotherapy table has the following advantages: using the mutual inductance between two coils to produce two opposite induced current; and using a double-surface electrode to form a loop in local parts, which can produce low-frequency sine wave to simulate the frequency and strength of stimulation of muscular bioelectricity, thereby improving blood and lymph circulation in local tissue, ensuringbioelectric currents of human body work normally, creating a microenvironment for peripheral nerve repair, serving the function of speeding up the growth of the neural axon and the proliferation of Schwann cells, and establishing a novel therapeutic mode in response to peripheral neuropathy due to diabetes.

The invention discloses waterproof, heat-resistant and low-illumination yellow green luminous powder and a production method thereof, so that salts or oxides of strontium, aluminum, europium, dysprosium and boron are fully mixed, and the problem that a traditional solid mixture cannot be easily mechanically mixed evenly is overcome. Fully dispersed mixtures are subjected to solid-phase reaction in a kiln with a reducing atmosphere at 1350-1450 DEG C for three hours; the generated fluorescent block material is subjected to mechanical machining such as crushing, ball-milling and sieving to form powder with one particle size; the powder is treated by inorganic acid; the particle surface is smooth; a transparent film of a molecular layer wraps the surface of a tiny particle with a special solvent; the film coating is capable of isolating water vapor from oxygen, has good waterproof property, moisture resistance and oxidation resistance; due to the light reflection of the transparent film, the brightness is improved; and the light-absorbing energy level is lowered.

The invention provides a radio-frequency electrodeless ultraviolet light source, which includes a high-frequency generator and a light source. The light source includes a glass bulb, a hollow tubular stem located in the middle of the glass bulb, and a spiral tightly wound on the outer wall of the tubular stem. Transmitting coil; the tubular core column is an inner cavity with two ends through, and one end of the transmitting coil is the coil lead-out line; the high-frequency generator is connected to the coil lead-out line through a coaxial cable; the inner wall of the glass bulb is equipped with a metal shielding grid layer, A phosphor layer is sprayed on the metal shielding grid layer; the high-frequency generator includes a metal casing, a socket, a planar transformer and power devices, and the inner wall of the metal casing is equipped with a wave-absorbing material; the glass bulb is filled with argon. It has the characteristics of high luminous efficiency, low heat generation, good heat dissipation, long life, EMC index in line with national testing standards, low development and production costs, etc. It is a high-power ultraviolet light source with excellent performance.

The invention relates to a golden gold tailing curing agent, a preparation method and a use method, and belongs to the technical field of environmental engineering. The golden gold tailing curing agent comprises phosphate ore, quartz tailing slag, carbide slag and coagulated stone according to a mass ratio of (1-3) : (1-3) : (1-3.5) : (1-4); the preparation method comprises the following steps: respectively washing, drying, crushing and grinding the phosphate ore, quartz tailing slag and carbide slag, and grinding and treating the coagulated stone; and uniformly mixing all the components. Theusing method of the gold tailing curing agent comprises the steps that gold tailings and the added gold tailing curing agent are stirred to be uniform in proportion, curing is achieved, the compressive strength can reach 61-82.8 KPa after the gold tailings and the added gold tailing curing agent are stacked in a normal-temperature and normal-pressure field for three days, and the pH of leachate ranges from 6.9 to 8.35. The gold tailing curing agent adopts solid waste as a raw material, treats waste with waste, and is wide in raw material source and low in cost, and the cured golden gold tailings are used as soil for road filling.

The invention discloses a four-degree-of-freedom composite structure bearingless switch reluctance machine and a controlling method thereof. The motor is composed of a switch reluctance machine and two radial magnetic bearings. Each magnetic bearing stator is formed by four E-type structures; one suspension winding and one armature winding wind around a middle tooth of each E-type structure; and one bias winding and one armature winding wind around two tooth windings. One armature winding winds around each tooth of the switch reluctance machine and crosses over the two magnetic bearing stators and a switch reluctance machine stator. An A-phase armature winding forms one phase; and B-phase and C-phase armature windings and bias windings are connected in series to form another two phases. A torque controlling way is identical with a traditional switch reluctance machine controlling way. The suspension force at a certain direction of each magnetic bearing is only related with a three-phase armature winding current and a suspension current at the direction; and the torque and the suspension force as well as the torque and the radial suspension force is in decoupling controlling. The suspension controlling becomes simple; and the outputs of the suspension forces are balanced and symmetric.