12results about How to "Improve ionization efficiency" patented technology

This invention relates to a multi-stage interception and automatic impurity removal wastewater treatment device, comprising: an impurity removal chamber, wherein a filter screen is provided inside the impurity removal chamber and a filter screen cleaning mechanism is provided on the outer side wall; a collection chamber, wherein an opening and closing mechanism is formed inside; and a disinfection chamber, wherein a disinfection mechanism is provided inside. The beneficial effects of this invention are: by providing a multi-stage filter screen with progressively smaller pore sizes at the top of the impurity removal chamber, the device's removal effect on solid impurities in wastewater is enhanced; by providing a filter screen cleaning mechanism, the self-cleaning ability of the filter screen is improved, solving the problems of easy clogging and time-consuming and laborious filter screen cleaning in traditional water treatment equipment, effectively improving the automation level and continuous operation capability of the device; by providing a disinfection mechanism, the air intake of the device and the probability of air ionization are increased, improving the air ionization efficiency, thereby increasing the concentration of active purification components in the disinfection gas; making disinfection more thorough and effective, and improving the disinfection effect of the device.

This invention relates to a kit for the quantitative detection of IGF-1 and its preparation and detection method. The kit includes calibrators, quality control materials, internal standard solution, immunoenrichment solution, dissociation solution, elution solution, mobile phase 1, and mobile phase 2. This invention enables fully automated top-down detection of intact IGF-1 protein, significantly improving sample processing efficiency. The matrix solution used in the kit preparation employs human serum with endogenous IGF-1 removed, maximally mimicking the in vivo environment and reducing detection bias caused by different matrix components. The elution buffer uses a formic acid-hydrochloric acid mixed acid-acetonitrile system. This system provides a mild ionization environment through formic acid, and the synergistic effect of hydrochloric acid in stabilizing the solution pH reduces ion inhibition effects, improves the IGF-1 response signal, and thus enhances the signal-to-noise ratio of the detection.

The utility model provides an ion migration tube to solve the problem of how to improve the ionization effect of an ion migration tube using an ultraviolet lamp type ionization source on substances. The ion migration tube provided by the utility model comprises a sample introduction piece, an ionization assembly, an ion gate assembly, a migration assembly and an ion receiver, the sample introduction piece is provided with a sample introduction port; the ionization assembly comprises a base body and at least two ultraviolet lamps connected to the base body, the base body is provided with an ionization area, the sample inlet is communicated with the ionization area, and the at least two ultraviolet lamps are circumferentially distributed on the periphery of the ionization area; the migration assembly is provided with a migration area, the ion gate assembly is arranged between the ionization area and the migration area, and the ion receiver is arranged on the side, away from the ion gate assembly, of the migration area.

The utility model discloses a microwave plasma reaction system, including: frame, microwave resonance cavity, assembles on the frame, microwave source device, assembles to the microwave resonance cavity outer wall, is used for to microwave resonance cavity inside microwave feed -in, quartz tube, from top to bottom through microwave resonance cavity setting, it has the reaction section in microwave resonance cavity, gas inlet component, with one end of quartz tube intercommunication, is used for the gas into, assembly spare, be located in the quartz tube, along the axial direction of quartz tube and extend to the reaction section, needle body, be located in the reaction section, perpendicular the axial arrangement of quartz tube, set up a plurality of, a plurality of needle body assembly spare is arranged along the axial direction of quartz tube and arranges, blanking component, with another end of quartz tube intercommunication, is used for discharging processing material, the microwave plasma reaction system that the utility model proposes, through microwave energy to gas ionization, can high -efficient production plasma, to material processing effect is good.

The invention discloses a method and system for optimizing two-dimensional argon plasma uniformity by introducing a high-energy particle source, and the method comprises the steps: S1, filling a plasma reaction chamber with background gas, and simulating the distribution of neutral particles; s2, initializing the speed and the position of charged particles in the gas in the chamber, enabling the charged particles to be uniformly distributed in the chamber, and determining the intensity, the time sequence, the incident direction and the incident position of high-energy particles emitted by an external particle source; s3, calculation of charged particle density, potential and electric field; s4, calculating the force acting on the charged particles; s5, moving the charged particles; s6, checking and executing collision; and S7, repeating the steps S3 to S6, adjusting the high-energy particle injection time sequence until a steady state is reached, and obtaining the data distribution of the charged particles. Through controllable interaction between an external particle source and plasma or background gas, seed electrons-ions are actively generated in a specific space area or energy distribution is changed, and inherent space non-uniformity of the plasma is compensated.

The utility model relates to the technical field of air treatment, particularly provides a plasma generation module, a plasma generation device and an air conditioner, and aims to solve the problems of low sterilization and peculiar smell removal efficiency, larger occupied space, high cost and the like of sterilization and peculiar smell removal equipment in the prior art. In order to achieve the purpose, the plasma generation module comprises at least one plasma generation assembly, each plasma generation assembly comprises a first electrode, a second electrode and an insulating medium layer, the first electrodes and the second electrodes are arranged on the two sides of the insulating medium layers respectively, and the first electrodes and the second electrodes are attached to the insulating medium layers respectively. When the plasma generating assembly is powered on to operate, the first electrode and the second electrode are opposite in electrical property. Through the arrangement of the first electrode, the second electrode and the insulating medium layer, a relatively uniform electric field can be formed, plasma can be generated through ionization, air can be sterilized and deodorized at the same time, and a relatively good effect can be obtained.

This invention belongs to the field of analytical testing and discloses a laser ionization source tissue sample detection device, including a laser, a light guide arm, a mounting platform, and an ionization cavity. The ionization cavity comprises an ionization chamber and an ion source, forming a hollow chamber. The mounting platform is installed within the hollow chamber of the ionization cavity and has a sample-carrying platform with a clamping device. The laser's emission port is connected to one end of the light guide arm, and the other end of the light guide arm extends above the sample-carrying platform. A lens or optical fiber is installed inside the light guide arm to achieve lossless laser transmission. Utilizing the advantages of the light guide arm and three-dimensional displacement stage, it achieves high-sensitivity, precise operation, efficient ionization, and accurate positioning, enabling the laser to be used at various distances, achieving efficient ionization and high-sensitivity mass spectrometry detection of tissue samples such as biological tissues, animal and plant tissues, and clinical sample slides.

The application relates to a plasma generating device, belonging to the technical field of plasma. The device comprises multiple plasma generators (11), each of which is provided with a plasma tube (29). The plasma tube (29) comprises an outer electrode tube (21) and an inner electrode tube (24), and the outer electrode tube (21) and the inner electrode tube (24) are connected to two poles of a high-voltage power supply. The device is characterized in that: the positive electrode tube and the negative electrode tube are sleeved to form a tubular discharge area, the discharge area is closed at both ends to form a gas fluid channel (28), and the outer electrode tube (21) is provided with a flow port (20) for the gas to enter and flow out of the fluid channel (28). In the plasma generating device, the fluid channel is formed in the plasma tube and is closed at both ends, and the fluid channel is the discharge area formed by the positive electrode and the negative electrode, so that the ionization efficiency of air passing through the discharge area can be greatly improved, the density of generated plasma is higher, and the plasma is more stable.

A plasma tube and plasma generator belong to the field of plasma technology. It includes a positive electrode tube and a negative electrode tube, which are respectively connected to the two poles of a high-voltage power supply. A discharge region is formed between the positive and negative electrode tubes. The key feature is that the positive and negative electrode tubes are inner and outer sleeved to form a tubular discharge region. The two ends of the discharge region are closed to form a gas fluid channel. Openings for gas entry and exit from the fluid channel are formed on the outer surface of the sleeved positive and negative electrode tubes. In the plasma tube of this application, a closed-end fluid channel is formed between the positive and negative electrode tubes. This fluid channel simultaneously serves as the discharge region formed by the positive and negative electrodes. Therefore, the width of the discharge region formed between the positive and negative electrode tubes is small, which can greatly improve the ionization efficiency of air passing through the discharge region, resulting in a higher and more stable plasma density, and reducing energy consumption.

The present application relates to ionization source in analytical instrument, specifically, it is a kind of high-efficiency spatial focusing VUV ionization source, including hollow closed cylindrical cavity, VUV lamp and convex lens and ion exit are respectively arranged at the both ends of closed cylindrical cavity;VUV lamp, convex lens, cylindrical cavity and ion exit are sequentially arranged;Sample inlet is arranged at the side of closed cylindrical cavity near convex lens;Ionization reaction focusing zone is arranged in the inside of closed cylindrical cavity;At least one ion transmission zone is arranged in the inside of closed cylindrical cavity, near the side of ion exit, and the ion transmission zone is composed of two pairs of cylindrical electrodes;Tail gas outlet is arranged at the side of closed cylindrical cavity, between cylindrical electrode and cylindrical electrode;Ion extraction electrode is arranged at the side of closed cylindrical cavity;The ionization source and mass spectrum or ion mobility spectrum are combined, and the focal size of ion can be reduced, and the ion transmission efficiency and detection sensitivity when passing through sampling micropore are improved.

The application discloses a furnace tube for plasma enhanced thin film deposition, comprising: a process tube, a reaction chamber and at least one ionization chamber are arranged in the process tube; a gas supply tube, the gas supply tube is used for conveying process gas to be ionized to the ionization chamber, after the process gas to be ionized is ionized in the ionization chamber, the process gas enters the reaction chamber to deposit corresponding thin film on the surface of a substrate or to realize layer-by-layer growth of the thin film on the surface of the substrate through adsorption reaction; a first electrode and a second electrode are located in the process tube and at the middle position of the ionization chamber, wherein the first electrode and / or the second electrode are supported by a baffle, one end of the baffle is connected with the corresponding electrode, and the other end of the baffle is connected with the inner wall of the ionization chamber, so that the process gas to be ionized passes between the first electrode and the second electrode. The application improves the ionization efficiency of the process gas.

The invention belongs to the technical field of material analysis, and provides a method for rapidly detecting the migration quantity of chloropropanol compounds in cigarette paper, which comprises the following steps: carrying out a water phase migration experiment on a cigarette paper sample to be detected to obtain a migration liquid; adding deuterated chloropropanol into the migration liquid, mixing with an internal standard stock solution, and carrying out salting-out auxiliary liquid-liquid extraction, dehydration purification and nitrogen blowing concentration to obtain a liquid to be detected; a gas chromatography-tandem mass spectrometry method is adopted to measure the to-be-measured liquid, a chromatographic column is an ultra-high inert bonded polyethylene glycol capillary chromatographic column, and data are collected in a multi-reaction monitoring mode; the migration amount of the chloropropanol compounds in the sample is calculated through an internal standard method, and the chloropropanol compounds comprise 1, 3-dichloro-2-propanol and 3-chloro-1, 2-propylene glycol. The method does not need a derivatization step, is high in detection accuracy, and can realize rapid detection and batch analysis.