55results about How to "Improve the excitation effect" patented technology

The invention discloses a pulp grade online measurement device, which comprises an X-ray tube, a high-voltage power supply, an X-ray detection device, a pulp sample carrying device, a signal processing unit, a temperature control system, a human-computer interface and the like. High-voltage power is applied to the X-ray tube to generate X rays which are taken as an excitation source irradiating pulp in the pulp sample carrying device to generate characteristic X rays; the X-ray detection device receives the characteristic X rays and detects signals corresponding to the characteristic X rays; and the signal processing unit receives the characteristic X ray signals, and analyzes and calculates the grade of the pulp sample element. The pulp grade online measurement device has the characteristics of high excitation capacity, high measurement accuracy and no nuclear pollution. The grade of the pulp sample element is displayed or output by the human-computer interface; and the temperature control system controls the temperatures of the X-ray tube and the X-ray detection device so as to ensure constant temperature to further ensure stable measurement.

A vibration ring includes a vibration module and a latex ring. The vibration module is provided with at least a battery, a circuit board and a vibration motor that are connected electrically in a spherical shell, along with a switch that is exposed out of the shell. The latex ring includes an annular wearing part that is processed with latex, and a spherical vibration part that encloses the shell of the vibration module. The spherical vibration part and the enclosed vibration module act onto a female's clitoris without pressing on other parts of the body, so as to increase the comfortableness in wearing the vibration ring and form a better exciting effect in vibration.

The invention discloses a method for improving diamond NV color-center photon producing and collecting efficiency. The exciting effect of a 532 nm light field on a diamond NV color center is achieved by the aid of local effect of hollow optical fiber, and photons emitted by the NV color center are trapped in the optical fiber and are transmitted along the optical fiber; a transmitter lens is added to the other end of the optical fiber to feed back 532nm laser to the optical fiber, and the photons generated by the diamond NV color center are fed back to the optical fiber. The photons emitted by the diamond color center in the optical fiber are collected forward and backward, and the collecting efficiency can approximate to 100%; high photon collecting efficiency is achieved; due to existence of the local efficiency of the optical fiber and a feedback mechanism, the NV color center is excited only by weaker 532nm laser, and higher photon producing efficiency can be achieved; simpleness in structure is achieved, operation is convenient, and application prospect is wider.

The invention provides an industrial waste coagulating agent which comprises 3-20 wt% of sodium sulfate, 10-80 wt% of gypsum, 0-20 wt% of silica fume, 0-30 wt% of quick hardening cement, 5-75 wt% of alum and 2-10 parts of quick lime. Under the synergistic effect of all components and the condition that no or few cementitious materials are added, a cementation process of industrial waste can be completed by activating the activity of industrial waste and using effective components in industrial waste, a solidification body meeting the strength requirement of the goaf filling material is formed, the cost is low, and indirect discharge of waste cannot be caused. The goaf filling material comprises industrial waste and the industrial waste coagulating agent in a mass ratio of (3:1)-(15:1), the usage amount of the industrial waste coagulating agent is small, the cost is low, indirect discharge of waste cannot be caused, industrial waste can be effectively and reasonably used, and sustainable development of industrial production and economy is guaranteed.

The invention discloses a water treatment flocculating agent. The water treatment flocculating agent consists of the following components: 15 to 30 weight parts of aluminum-containing compound, 15 to 20 weight parts of ferric citrate, 5 to 8 weight parts of polymeric ferric sulfate, 3 to 5 weight parts of sodium ferrate, 5 to 10 weight parts of polymeric aluminum chloride. 10 to 15 weight parts of non-ionic polyacrylamide, 5 to 10 weight parts of polyamine compounds and 3 to 5 weight parts of the mixer of porous perlite micro-powder and coal ash micro-powder. According to the water treatment flocculating agent, the molecular weight of the flocculating agent is increased by introducing the polyamine compounds, so that the water treatment flocculating agent is high in viscosity and high in stability, facilitates industrial production,and has the characteristics of quick sedimentation, good decoloring effect and the like.

The invention relates to a laser ultrasonic excitation and detection system as well as a detection method using the same, and belongs to the technical field of non-destructive inspection. The system comprises a continuous laser device, laser splitting devices, an photoelectric modulation structure, an optical interference light path system, a light beam modulation optical path, a light deflector, a signal processing circuit, a computer and a to-be-detected piece. According to the detection method, laser array excitation and laser array detection can be realized by combining different numbers of beam splitters in the laser splitting device group at different intervals. The system and the detection method have the advantages that one continuous laser device is adopted for realizing both laser ultrasonic excitation and detection, so that the cost of a laser ultrasonic detection system can be remarkably reduced; the signal-to-noise ratio of an ultrasonic signal is remarkably improved through array excitation and detection, and the detection efficiency is improved.

The present invention discloses a flocculant, which comprises the following raw materials by weight: 8-24 parts of fly ash, 6-17 parts of starch, 1-4 parts of magnesium oxide, 4-10 parts of sodium oxide, 2-5 parts of titanium tetrachloride, 15-30 parts of aluminum sulfate, 15-20 parts of ferrous sulfate, 4-8 parts of polyacrylamide, 10-15 parts of polyvinylpyrrolidone, 5-12 parts of poly dimethyl diallyl ammonium chloride, and 3-5 parts of sodium silicate. According to the present invention, with the flocculant, the excitation effect of the flocculant and the nucleation performance of the gel are improved, the chemical performance of the flocculant is stable, the feeding amount is reduced, the flocculation is rapid, suspended solid removing, oil removing and other properties are good, the water treatment capacity is improved, and the quality of the treated water is improved.

The invention provides a point discharge micro-plasma atomic emission spectrum analysis device in argon-hydrogen flame, sample steam containing elements to be detected and a shielding gas respectivelyenter an atomic emission spectrum excitation source (point discharge micro-plasma in the argon-hydrogen flame), and generated atomic emission spectrum signals are detected by a spectrum detector. Theexcitation source is composed of a point discharge part and an argon-hydrogen flame part which are coaxially arranged in series up and down, the point discharge part is a pair of tip electrodes whichare symmetrically arranged on the two sides of a ceramic fixing base, and a spectrum detection window is formed in the side face of the point discharge part; according to the argon-hydrogen flame part, an outer quartz tube is fixed to a base circle, the outer quartz tube and an inner quartz tube are coaxially arranged, the upper portion of the inner quartz tube is large, the lower portion of theinner quartz tube is small, the lower section of the inner quartz tube is located in a base center hole, a bottom opening serves as an inlet of a working carrier gas and the sample steam, and an inletof the shielding gas is formed in the outer quartz tube. The point discharge micro-plasma atomic emission spectrum analysis device has the characteristics of high atomization/excitation efficiency, high sensitivity, strong anti-interference capability (small interference between sample moisture and a matrix), good stability, low power consumption and the like.

The invention provides composite activated low-calcium fly ash cement and a preparation method thereof, and belongs to the technical field of resource utilization of building materials and solid wastes. The concrete is prepared from the following raw materials in parts by weight: 30-40 parts of fly ash, 10-20 parts of slag, 5-7 parts of anhydrite, 35-45 parts of ordinary Portland cement, 3 parts of a strong alkali solution (with the mass fraction of 30%), 0.5 part of NaSO4 (with the mass fraction of 17%), 1 part of a water reducing agent and 0.5 part of a grinding aid. The concrete has the beneficial effects that the compactness, corrosion resistance and impermeability of the concrete can be improved, and the water demand is reduced, the early strength of the fly ash concrete is improved,the early hydration is accelerated, and the activation effect on the fly ash is improved, materials are easy to obtain, the cost is low, operation is easy, the mechanical property can be well improved, popularization is facilitated, the application range is wider, solid waste accumulation can be effectively solved, and the problem of non-renewable resources is relieved.

A light emitting device is provided to produce white light with a stable correlated color temperature and stable color coordinates. The light emitting device includes a blue LED chip and a yellow phosphor. The blue LED chip has a peak wavelength X slightly smaller than the peak wavelength Y of the phosphor such that when the light emitting device is subjected to a predetermined operating current, the phosphor decays due to thermal effect, and the LED chip has its emission spectrum red-shifted to substantially match with the excitation spectrum of the phosphor. At this time, the excitation ability of the LED chip is increased and causes an increase of yellow power output from the phosphor that substantially compensates a decrease of yellow light output caused by the phosphor.

The invention relates to a three-dimensional magnetic characteristic measuring device suitable for an electrical material under a stress loading condition. The device comprises a measuring table, a control module and a to-be-measured sample electromagnetic module, the control module comprises a signal amplifier, an NI acquisition card, a power amplifier, a water-cooled resistor, a matching capacitor box and a computer, the signal amplifier, the NI acquisition card, the power amplifier, the water-cooled resistor and the matching capacitor box are connected in sequence, and the computer is connected with the NI acquisition card; the matching capacitor box is connected with an exciting coil of the measuring device; and a B-H composite sensing coil in a sample is connected with the signal amplifier. The device is suitable for a sensing structure for the magnetic characteristic measurement experiment of a cubic sample under the stress loading condition.

Provided is a quantum healthcare quilt. The quantum healthcare quilt is characterized in that the quantum healthcare quilt comprises a quilt cover and filler; a cloth surface layer is arranged at thetop of the quilt cover, a first quantum composite layer is arranged on one side of the cloth surface layer, and a second quantum composite layer is arranged on one side of the first quantum compositelayer; a cashmere layer is arranged on one side of the second quantum composite layer, and a cloth surface layer is arranged on one side of the cashmere layer; the first quantum composite layer is a zinc oxide quantum dot and bacterial cellulose composite layer, and the second quantum composite layer is a carbon quantum and bamboo carbon fiber composite layer. According to the quantum healthcare quilt, by means of cooperative use of the first quantum composite layer to which zinc oxide quantum dots are added and a second quantum composite layer to which carbon quantum dots are added, the healthcare effect of improving sleep is achieved, and a high heat preservation rate and air permeability are achieved.

The invention discloses an integral type steel magnet of a high-performance permanent magnetic synchronous motor. The integral type steel magnet comprises a flat-plate-shaped steel magnet, and is characterized in that a left flat-plate-shaped steel magnet which forms an included angle theta1 with the flat-plate-shaped steel magnet and is integrally connected with the flat-plate-shaped steel magnet is arranged at the left edge of the flat-plate-shaped steel magnet; a right flat-plate-shaped steel magnet which forms an included angle theta2 with the flat-plate-shaped steel magnet and is integrally connected with the flat-plate-shaped steel magnet is arranged at the right edge of the flat-plate-shaped steel magnet; the central line of the flat-plate-shaped steel magnet is intersected with the central lines of the left flat-plate-shaped steel magnet and the right flat-plate-shaped steel magnet on a straight line; and the flat-plate-shaped steel magnet, the left flat-plate-shaped steel magnet and the right flat-plate-shaped steel magnet are made of a ferrite material and are integrally pressed and sintered. By the integral type steel magnet of the high-performance permanent magnetic synchronous motor, the production cost of the steel magnet is reduced, the magnetism gathering effect is improved, gaps between adjacent flat-plate-shaped steel magnets are avoided, the excitation effect of a rotor of the permanent magnetic synchronous motor and the power density of the motor are effectively improved, and the aim of replacing a rare earth material is fulfilled.

The invention discloses an environment-friendly super-concentrated bath tablet/granule and a manufacturing method thereof. The component percentage content of the environment-friendly super-concentrated bath tablet/granule is as follows: anionic active agent accounting for 15-60%, 10-30% % nonionic active agent, 1‑15% amphoteric surfactant, 0.1‑5% phytomucin, 2‑6% small molecule peptide complex enzyme, 0.1‑6% thickener, 0.1‑0.5% preservative, 0.1-2% lubricant, 0.1-3% filler, 0.1-0.5% essence, and the balance deionized water. The beneficial effect is: by adding small molecule peptide powder to the compound enzyme, the stimulating effect of the compound enzyme on each active substance is enhanced, thereby greatly improving the decontamination ability of the active substance. And the self-developed bath tablet/granule production equipment effectively ensures that the active ingredients of the enzyme will not be destroyed.

The invention discloses a flocculating agent for sewage treatment. The flocculating agent is composed of the following substances in parts by weight: 20 to 45 parts of graphite powder, 15 to 25 parts of carbon powder, 10 to 15 parts of starch, 6 to 15 parts of sodium carboxymethyl cellulose, 6 to 15 parts of anhydrous ethanol, 20 to 45 parts of ammonium persulfate, 20 to 45 parts of sodium carbonate, 20 to 45 parts of ferric citrate, 5 to 15 parts of ethylene diamine, 15 to 25 parts of sludge powder, 20 to 35 parts of lime powder, 30 to 45 parts of propylene cystamine, 30 to 35 parts of zinc chloride, 15 to 25 parts of aluminum sulfate, 15 to 20 parts of polymeric phosphato-aluminum chloride (PPAC), 8 to 12 parts of slaked lime, 9 to 15 parts of fly ash, and 30 to 50 parts of deionized water. The excitation effect of the flocculating agent and the nucleating performance of gel are both improved. The chemical properties of the flocculating agent are stable. The addition amount of the flocculating agent is reduced. The flocculating speed is quick. The performance on removing suspensions and oil stains is excellent. The water processing performance is enhanced, and the quality of processed water is improved.

An LED lighting module and a display having the LED module are disclosed. The LED lighting module includes a plurality of micro LED arrays and a phosphor film. The micro LED arrays are respectively composed of at least one micro LED. The phosphor film is disposed on one side of the micro LED arrays; and the phosphor film has a transparent substrate and is provided with a plurality of light emitting regions. The plurality of light emitting regions are arranged adjacent to each other and into a matrix form, and are set corresponding to the micro LED arrays collimation respectively. A part or the whole of the surface of the plurality of light emitting regions is provided with at least one type of phosphor powder.

The invention relates to an LED lamp with double layers of fluorescent powder. Blue light emitted by a blue light LED chip emitting blue light irradiates nitrides or nitric oxide fluorescent powder on an inner layer firstly, wherein the wave band of the blue light ranges from 430 nm to 467 nm; and light with the shorter wave band, like purple light with the wave band of 380 nm to 420 nm is motivated to irradiate YAG or silicate or LGA fluorescent powder again, and therefore ideal white light is obtained. According to the LED lamp, on the one hand, through motivation of the nitrides or the nitric oxide fluorescent powder on the inner layer, a light source large than an original wafer by several times, shorter in wave band and higher in penetrating capability is obtained; and on the other hand, the YAG or the silicate or the LGA fluorescent powder is motivated again, and the motivation effect of the light source is redoubled.

The invention discloses a band-pass filtering twin-coil four-wire system string wire self-excitation energizing circuit which comprises an induction coil, an excitation coil, a high gain differential operational amplifying circuit and a transistor constant current power amplifier circuit with adjustable current magnitude, wherein an active band-pass filtering circuit and an in-phase operational amplifying circuit are also connected between the high gain differential operational amplifying circuit and the transistor constant current power amplifier circuit. The active band-pass filtering circuit is inserted between the front differential operational amplifier and the rear operational amplifier, high and low frequency disturbance voltages are subjected to band elimination and cannot easily enter the rear operational amplifier, only a string wire frequency signal is subjected to 8-time amplification and enters a rear level, a constant-current positive feedback is produced for the excitation coil, a steel wire rapidly starts oscillation to form stable steel wire vibration, more vibration wire sensors are enabled to reliably work, the percent of pass of the sensors is improved, the trouble of replacing the sensor for dynamic balance is greatly reduced, the debugging is simple and feasible, and the problem which influences people for a long time is solved.