359 results about "Ion emission" patented technology

Apparatus including an ion trap, a controller connected to the ion trap, wherein the controller includes a memory containing computer readable instructions which, when executed, cause the controller to send control signals to the ion trap so that the ion trap produce and maintain a trapping field in the ion trap, a waveform generator to change the trapping field so that ions of a predetermined mass in the trapping chamber are selectively moved; a secondary waveform generator to change the orbits of the ions; an energy source to excite ions to emit photons, an optical detector to detect the emitted photons, and a processor which can apply fast-Fourier transform analysis of the time-domain signal of the detected emitted photons to generate a frequency or mass spectrum related to mass-to-charge ratio of the ions.

The invention discloses a variable-frequency variable-pressure electronic type efficient air purifier. The variable-frequency variable-pressure electronic type efficient air purifier comprises a primarily efficient filter screen positioned at the front end, wherein an insulating framework is arranged behind the primarily efficient filter screen; a PCB pin base, an ion emission pin and a grounding stainless steel plate are arranged in the insulating framework from front to rear in sequence; the ion emission pin is connected to a variable-frequency variable-pressure type ion generator; an ion air outlet which corresponds to the ion emission pin is arranged on the grounding stainless steel plate; a honeycomb type electrostatic electret filter screen is arranged behind the insulating framework; and the polarity of charge of the honeycomb type electrostatic electret filter screen is reverse to that of charge released by the variable-frequency variable-pressure type ion generator. The variable-frequency variable-pressure electronic type efficient air purifier realizes various functions of condensation, electrostatic adsorption, sterilization and fitness on fine particles in air, and also avoids obvious defects of high noises, much peculiar smell and high energy consumption of the conventional purifying technology.

The invention relates to woven bamboo charcoal fabric series woollen blankets using bamboo charcoal fabric and other components as raw materials. The material comprises following components by weight percentage: face yarns : bamboo charcoal fabric : 20%; other raw materials: 80%; bottom material: 100; wherein the other raw materials of the face yarn are one or several types selected from cotton, wool, real silk, chinlon, polypropylene, acrylic fibre, dacron and fabric; the bottom material is dacron; the material compatibility of the invented bamboo charcoal fabric woollen blanket is reasonable, and the invented bamboo charcoal fabric woollen blanket is provided with good weaving performance and moderate price, and accords with market demand; strong ultraviolet resistant ability and adsorption decomposition capacity of bamboo charcoal fibrous are utilized sufficiently; bamboo charcoal fabric raschel woollen blankets, acrylic bamboo charcoal fabric woollen blankets and coral fur bamboo charcoal fabric woollen blankets made by above materials are enriched of metallic elements such as potassium, magnesium, calcium, aluminum, zirconium, manganese and other carbides, have strong far-infrared ray emitting and negative ion emitting functions; and have strong moisture-guiding, moisture absorption, drying, deodor and bacteria inhibition functions.

The invention discloses a pottery material with function of sending negative ion and the method for preparation. The method contains the following steps: mixing the normal materials, other materials, oxide with strong reducing agent, baking at 1000-1280Deg. C for 8-12 hours, then quenching to 10-30Deg. C, according to the invention, the best quenching time being 3-10 minutes, and then the pottery material with function of sending negative ion being prepared. The invention is characterized in that the brightness of pottery material with sending negative ion function prepared can reach above 60 degrees, it can produce iron of more than 1500 / cc, the surface hard is lower than 7H, the product has no radioactive element, and it can be used to prepare hygienical textile.

The invention discloses an oil-soluble Mn-doped CsPb(Cl / Br)3 dual-emission nanocrystal and a preparation method thereof. The preparation method comprises the following steps: (1) synthesizing an all-inorganic CsPbBr3 perovskite nanocrystal precursor; and (2) carrying out halide-ion-exchange-assisted Mn-to-Pb ion exchange. The preparation method is carried out at room temperature, is simple in process and easy to operate, has the advantages of convenient raw material supply and low raw material price, can be completed in a common chemical laboratory, and thus, is easy to popularize. The Mn-doped CsPb(Cl / Br)3 nanocrystal has two emission peaks (perovskite intrinsic emission and Mn ion emission). The Mn-doped CsPb(Cl / Br)3 dual-emission nanocrystal obtained by the preparation method has high 56% fluorescence quantum yield, and can be used for manufacturing ratiometric temperature probes by utilizing the dual-peak-intensity temperature dependence characteristic.

Provided is a charged particle beam microscope which has a small mechanical vibration amplitude of a distal end of an emitter tip, is capable of obtaining an ultra-high resolution sample observation image and removing shaking or the like of the sample observation image. A gas field ion source includes: an emitter tip configured to generate ions; an emitter-base mount configured to support the emitter tip; a mechanism configured to heat the emitter tip; an extraction electrode installed to face the emitter tip; and a mechanism configured to supply a gas to the vicinity of the emitter tip, wherein the emitter tip heating mechanism is a mechanism of heating the emitter tip by electrically conducting a filament connecting at least two terminals, the terminals are connected by a V-shaped filament, an angle of the V shape is an obtuse angle, and the emitter tip is connected to a substantial center of the filament.

A method for manufacturing photocatalyst multifunctional dust-free active carbon color ball includes the steps of (1) compound-formulating and mixing 8%-15% attapulgite, 8%-15% sepiolite, 5%-10% mordenite and 50%-65% active carbon; (2) after step (1), granulating by adding 5%-10% photocatalyst and appropriate water and mixing; (3) after step (2), drying at 60° C.-80° C. and then grinding till the particle size is smaller than 200 meshes; (4) after step (3), compound-formulating and granulating by adding 5%-10% tourmaline powder and appropriate water; and (5) after step (4), drying at 150° C. and obtaining a product, wherein the percentage of every raw material is expressed by weight. The photocatalyst multifunctional dust-free active carbon color ball can strongly adsorb formaldehyde, benzene, ammonia, sulfur dioxide, carbon monoxide and other harmful toxic polar molecules, and has multiple functions of adsorption, decomposition, releasing negative ions, emitting far infrared, instead of the originally single adsorption function of active carbon.

A static eliminator comprises an electric discharge portion, and a case in which the discharge portion for emitting ions in front thereof is disposed. The case includes an ion emitting opening and an ozone, etc suction opening. The ozone, etc generated in the discharge portion is sucked through the ozone, etc suction opening resulting in sucking air from the ion emitting opening in a direction opposite to that of ion emission through the ion emitting opening.

The invention discloses a combined electronic air purification device. The combined electronic air purification device comprises an anode plate and a cathode plate, wherein the anode plate is connected with a positive high-voltage power supply; the cathode plate is connected with a negative high-voltage power supply; dust collection and ventilation holes are distributed in the anode plate; the cathode plate is provided with electric discharge pins which are arranged at the parts corresponding to the dust collection and ventilation holes in the anode plate and extend into the dust collection and ventilation holes, so that the electric discharge pins on the cathode plate discharge negative electricity, and dust and ions in air around the electric discharge pins are provided with negative charge, and are adsorbed on the anode plate. The method integrates the characteristics of high-voltage static electricity sterilization and dust collection, plasma sterilization and dust collection and multi-point negative ion emission, prevents the problems that the static electricity generated in the high-voltage static electricity method is harmful to the health of people, and dust particles are difficult to collect in plasma purification, achieves the effect of emitting negation ions by a plurality of electric discharge pins, and can be used for purifying air with high efficiency.

The invention discloses a uranium isotope abundance measurement method by using carbon nanotubes as an ion emission agent, which comprises the following steps: (1) sample preparation: preparing a carbon nanotube suspension, and pretreating a rhenium strip; (2) sample coating: putting the evaporation rhenium strip on a sample coating device, dripping a uranium solution onto the evaporation rhenium strip, drying, and cooling to room temperature; coating the carbon nanotube suspension on the uranium sample, drying the evaporation rhenium strip, cooling to room temperature, and loading onto a rotary table; and (3) sample measurement: sending the rotary table into an ion source, starting a mass spectrometer, and after the ion current signal intensity reaches the maximum and the signal stays in the most stable state for 3-5 minutes, starting data acquisition of uranium isotope abundance measurement. By using the carbon nanotubes as the ion emission agent for uranium isotope abundance measurement, the invention improves the ion emission property of trace uranium sample in thermal ionization mass spectrometer measurement; and by optimizing the burning strip used by the carbon nanotubes as the emission agent as well as experimental conditions for sample preparation, testing and the like, the invention establishes a novel method for measuring the abundance of trace uranium isotope.

The invention belongs to the field of building materials and relates to a bamboo carbon fiber gypsum board. The bamboo carbon fiber gypsum board is prepared from the following raw materials: gypsum powder, bamboo carbon fibers, a water reducing agent, a retarder, water, a foaming agent, rubber powder and a dispersant. The invention further relates to a preparation method of the bamboo carbon fiber gypsum board. The prepared bamboo carbon fiber gypsum board has the characteristics of relatively good adsorption capability and negative ion emission capability, relatively good thermal effect, relatively low cost and the like, and is very high in practical strength.

In an ion source 3 in which a repeller electrode 32 for forming a repelling electric field that repels ions toward an ion emission port 311 is provided inside of an ionization chamber 31, ion focusing electrodes 36 and 37 are respectively arranged between an electron introduction port 312 and a filament 34 and between an electron discharge port 313 and a counter filament 35. An electric field formed by applying a predetermined voltage to each of the ion focusing electrodes 36 and 37 intrudes into the ionization chamber 31 through the electron introduction port 312 and the electron discharge port 313, and becomes a focusing electric field that pushes the ions in an ion optical axis C direction. Ions at positions off a central part of the ionization chamber 31 receive the combined force of the force of the repelling electric field and the force of the focusing electric field, and move toward the ion emission port 311 while approaching the ion optical axis C. Accordingly, the amount of ions sent out from the ion emission port increases. Further, even if a charge-up phenomenon occurs, the ion trajectories less easily change, and the stability of the sensitivity can be enhanced.

The invention discloses the field of an analytical instrument, in particular to an instrument for ion generation of medical micromolecules and biological macromolecules. The instrument is provided with a hollow capillary emission needle and a launch emission support. The emission needle support forms a laminar flow gas flowing forwards around the emission needle to eliminate the capillary reverseflow effect of liquid flowing out from the hollow capillary emission needle outside a capillary, so that the liquid flows forwards. An inlet infused in the capillary in a vacuum mode I specially designed into an arc-shaped mechanism, so the speed of airflow at some position at any direction is zero, the position is just the outlet of the hollow capillary emission needle, therefore the stability of a Taylor cone of the top end of the point of the emission needle is ensured in the large flow range, and finally a stable ion flow is obtained. The instrument has the advantages of stable ion emission, high ion transmission efficiency and the like and can be widely applied to occasions of ion source preparation.

An electrical ionizer comprising a fan (5) for producing a laminar flow of air; a positive ion emitter (6b) for ejecting positive ions into the flow of air; a negative ion emitter (6a) for ejecting negative ions into the flow of air; a positive voltage supply (27) to the positive ion emitter; a negative voltage supply (28) to the negative ion emitter; and a microprocessor (30) for controlling the positive and negative voltages to obtain a desired ion balance in the flow of air. The fan (5) is a crossflow fan, resulting in a highly uniform and laminar beam of air along the entire length of the fan, with reduced gaps in the air flow and consistent velocity of air, improving ion balance. The use of a crossflow fan also enables the operating mechanism to be contained within a simple “teardrop” profile, and for operative parts of the device, for example the motor, the bearings, and electronics such as printed circuit boards to be housed outside the air flow, thereby eliminating a possible source of contamination of the air flow. For a comparable size of ionizer enclosure, approximately twice the mass flow, at higher velocities, can be generated as a similar conventional device using axial fans, and at reduced noise levels.

The invention relates to a method for detecting content of calcium element in calcium powder, which comprises the following steps: firstly, sampling, secondly, processing samples, thirdly, comparing the sample detecting method and standard curved lines, and getting the content of calcium element in samples, a detecting device is jigger coupling plasma emission spectrometer and a flame atomic absorption spectrophotometer. Samples are dissolved by hydrochloric acid, utilize the component characteristics of calcium powder, are atomized by an instrument spray chamber, pass through a high temperature torch tube, and adopt a multiple reaction monitoring method to definite quantity. The instrument detection limit of the method is 0.096, 0.87ug / mL, the correlation coefficient r is above 0.999 in the linear range of elements, and the recovery ratio is 98.6%-108.7%. The method can quickly and accurately measure the content of calcium elements in calcium power, has little element loss and pollution rate in the preparing process of samples, and has accurate and reliable results, excellent repeatability and high sensitivity.

Provided is an ion emission device comprising a plurality of discharge electrodes, whereby it is possible to ensure a diselectrification speed and a positive-negative ion balance when in adjacent use, and which has superior diselectrification performance. A diselectrification device comprises a plurality of discharge electrodes (10) which respectively generate positive or negative ions, a fan (14) which ventilates to the outside the ions which are generated from the discharge electrodes (10), and a metal net (15) which is positioned in a ventilation port of the ions. The metal net (15) further comprises first mesh parts (N1), and second mesh parts (N2) with a wider mesh than that of the first mesh parts (N1). In a projected state, the discharge electrodes (10) are located at the first mesh parts (N1).

The invention discloses a boron isotope abundance measuring method using a carbon nanotube as an ion emitting agent. The boron isotope abundance measuring method comprises the following steps: (1) preparing a sample: preparing a carbon nanotube suspension, preparing a generating agent solution, and preprocessing rhenium strips; (2) loading the sample: manufacturing one of the rhenium strips of a preprocessed double-strip insert into a sample strip, and loading the sample strip together with an ionization strip onto a sample turnplate for following measurement; and (3) measuring the sample: sending the strip-loaded turnplate into an ion source, starting a spectrometer, heating the sample strip and the ionization strip, and when ion current occurs, starting data collection. By using the carbon nanotube as the ion emitting agent and by optimizing a sample preparing method, a sample loading technology and measuring conditions during use of the carbon nanotube as the ion emitting agent, the boron ion emitting intensity and the ionization efficiency are significantly improved and the stability of an ion flow is also improved to some extent, the measuring accuracy is improved, and the sample loading amount and the measuring temperature are reduced.

The invention provides hollow fancy loop multifunctional health-care yarn and a preparation method thereof. The yarn comprises lotus root fibers, lyocell fibers, bamboo charcoal fibers, Clean cool fibers, water-soluble vinylon fiber filaments, PTT shape memory fiber filaments, anti-ultraviolet polyester fiber filaments, cashmere fibers and mohair fibers, or comprises stainless steel fiber filaments, mint fibers, long stapled cotton fibers, water-soluble vinylon filaments, colorful negative ion multifunctional viscose filaments, bamboo charcoal fibers and coconut carbon fibers. The yarn prepared through the preparation method has excellent in hygroscopicity, natural, antibacterial, resistant to odor and capable of absorbing moisture and discharging sweat, has deodorization and anti-aging functions and the like, also has excellent radiation resistance, anti-static performance and a negative ion emission function, enhances the immune function, activates cells, promotes metabolism, has deodorizing performance, prevents mites, odor and insects, generates negative ion characteristic and is resistant to water, oil and dirt, and fabrics are prevented from being influenced by various harmful bacteria and pollution.

The invention relates to a photoelectric-effect ion source based on carbon nano-tubes. The ion source comprises an ultraviolet ray emitting device and a power source, wherein the anode of the power source is connected with a counter electrode; the cathode of the power source is connected with a carbon nano-tube electrode, the carbon nano-tube electrode comprises a carbon nano-tube layer and a substrate, the carbon nano-tube layer is opposite to the counter electrode, and a passage which is used for a sample to pass through is reserved between the carbon nano-tube layer and the counter electrode; and the ultraviolet ray emitting device irradiates the carbon nano-tube electrode. According to the ion source, ions are generated through the photoelectric effect on the carbon nano-tubes, the carbon nano-tubes are very low in light reflection coefficient and very high in light absorption efficiency, the electron emission is easier due to the unique one-dimensional structure of the carbon nano-tubes, and the carbon nano-tubes can be used in an atmospheric state, so that the problem in the prior art that the vacuum is required when the field-effect ion emission is carried out by using the carbon nano-tubes is solved, the range of use is expanded, and the use is more convenient.

This invention relates to an analytical instrument field, specifically an instrument for pharmaceutical micromolecular and biological macromolecular ion generation. By this invention, through a hollow capillary emission needle and an emission needle bracket, the emission needle bracket forms a forward moving laminar flow gas surrounding the emission needles, eliminating the capillary counter-flow effect outside the capillary for liquid flowing out of the hollow capillary emission needle and pushing liquid forward; and vacuum lead-in capillary whose entrance is a specially designed arc mechanism, makes zero air flow speed in any direction, and the entrance happens to be the exit of the hollow capillary emission needle so as to ensure steady Taylor cone on the tip edge and ultimately obtains steady ion flow within a large flow range. This invention has advantages of steady ion emission and high ion transmission efficiency, and can be widely applied in the ion source preparation.

The invention relates to a process for processing bamboo charcoal fibers. The process is characterized by comprising the following steps: (1) preparing bamboo charcoal powder, namely drying mao bamboos which grows for more than 5 years at the temperature of 100-120 DEG C for 4-5 days; heating to 400-450 DEG C and carbonizing for 3-4 days; heating to 800-860 DEG C for 2-3 days to obtain block-shaped bamboo charcoal, carrying out jet milling on the block-shaped bamboo charcoal, and collecting particles less than 0.30 micron for later use; (2) adding the bamboo charcoal powder into a water solution containing a polyacrylate dispersant, and carrying out wet grinding to obtain a nano bamboo charcoal water-based dispersion solution; (3) adding extracts of honeysuckle, eupatorium and rhizoma corydalis into the nano bamboo charcoal water-based dispersion solution, and heating for boiling for 5-6 hours to obtain a modified nano bamboo charcoal water-based dispersion solution; (4) preparing the modified bamboo charcoal fibers by using a dry spinning method. The bamboo charcoal powder prepared by using the method has good effects on removing the odor, absorbing the moisture, removing the sweat, storing heat, preserving the heat, resisting bacteria and preventing the mildew, and has good functions of far-infrared and negative ion emission, ultraviolet resistance and the like.

The invention discloses a negative ion emission device and air purifying equipment of the negative iron emission device. The negative ion emission device comprises a conductive structure and a plurality of emission heads; the conductive structure comprises a conductive copper plate, an insulating insert hole groove and a conductive insert pin; each emission head comprises an insulating wrapping layer, nanometer carbon fiber bundles, a fastening layer and a conductive insert hole; the air purifying equipment includes a control circuit, a negative high voltage generator, a photocatalyst circuit, a photocatalyst modulator tube, an air circulating device and a base, and the air purifying equipment further includes the negative ion emission device. According to the negative ion emission device and the air purifying equipment, the stable emission measure of negative ions and the effective emission distance of the negative ions are guaranteed, the content of the negative ions emitted into the air keeps thousands of equivalent, the emission range of the negative ions is more than a few times or even dozens of times that of the negative ions in the prior art, the viruses in the air can be effectively killed, high-pressure dedusting can be carried out, and therefore the effects of the negative ion air purifying equipment for purifying the air are greatly improved. Meanwhile, the emission heads can be detached and replaced freely, so that parts are convenient to replace, and the replacement cost of the equipment is reduced.

The invention relates to the field of anti-static technology, in particular to an ion blower widely used for quickly eliminating electrostatic charges in the production in the industries of electronics, medicine and health, printing, chemical industry and the like. The ion blower comprises a shell; a main control plate, an ion emission device and a fan are arranged in the shell; the main control plate is connected with the ion emission device through a circuit and controls the ion emission amount of the ion emission device; the fan blows out the air with ions; the ion emission device and the fan are spanned between an air inlet and an air outlet of the shell in turn; the main control plate is provided with a signal alarm processing circuit; a balanced voltage sensing net is arranged between the air outlet and the ion emission device; an electric wire of the balanced voltage sensing net is connected with the signal alarm processing circuit for transmitting the sensed information of the high-voltage ion amount to the signal alarm processing circuit for processing; and when the ion balancing voltage exceeds the set safe balancing voltage, the signal alarm processing circuit gives an alarm. The invention can provide a direct-current ion blower for eliminating the static electricity quickly, balancing the ions more stably, and readjusting and feeding in time during balancing deflection.