Processing tooth belt gearing mechanism

The utility model discloses a processing tooth belt gearing mechanism, including the operation post, the upper surface of operation post is equipped with sliding guide, the slider has been cup jointed on sliding guide's surface, the last surface mounting of slider has anchor clamps, the side -mounting of operation post has support column and control box, the side of support column is equipped with the riser guide, elevating gear has been cup jointed on the surface of support column, elevating gear's inner chamber has cup jointed the cutting axle, the left end of cutting axle be the Y -type structure, and the left end of cutting spool is connected with the emery wheel through the transfer line, the transfer line passes through the belt and is connected with the derailleur. The elasticity controlling means of belt both can have been worked as to the counter of this belt gearing mechanism, and also the accessible gear meshes with the sawtooth projection of the surface of belt no. 2 to rotational ...

Super ultraviolet aging simulator

The utility model provides a super ultraviolet aging simulator, including the casing be equipped with light source module, host system, the experiment chamber body, power module in the casing, light source module includes light source, light source support, the light source sets up on the light source support, the light source is uv light source, the light source module below sets up the experiment chamber body, experiment chamber body top is open ended design, and the experiment chamber body is equipped with the experiment chamber door, and power module is the power supply of whole device, and host system connects light source module, power module, the experiment chamber body, controls whole equipment. The utility model discloses ultra violet radiation dosage exposure can be provided for light source 20 times daily outdoor, and can accurate control experimental temperature, the reliability of experimental result is improved.

Aerosol precursor containing medical components of Chuanbei Xueli Extract and method for dispersing medical components in Chuanbei Xueli Extract into nanoscale fog drops

The invention relates to an aerosol precursor containing medical components of Chuanbei Xueli Extract. The aerosol precursor comprises glycerine, propanediol, 1,3-butanediol, an aromatic substance and Chuanbei Xueli Extract of which the mass ratio is as follows: glycerine: propanediol: 1,3-butanediol: aromatic substance: Chuanbei Xueli Extract= (40-45): (20-25): (0-10): (0-10): (1-10). The invention also relates to a method for dispersing medical components in Chuanbei Xueli Extract into nanoscale fog drops, as well as an aerosol containing nanoscale fog drops. As the aerosol precursor contains medical components of Chuanbei Xueli Extract, when the aerosol precursor is placed in an electronic cigarette smoking set including an electric heating device to be heated, nanoscale fog drops can be obtained to bring more convenience for the medical components to be absorbed by a human body.

Enzyme-linked immunoassay method for determining content of cell DNA (Deoxyribonucleic Acid) injury marker H2AX

The invention provides an enzyme-linked immunoassay method for determining the content of a cell DNA (Deoxyribonucleic Acid) injury marker H2AX. The enzyme-linked immunoassay method is characterized by comprising the steps that sandwich recognition on the specificity of a target protein H2AX is carried out by using a specific H2AX antibody and an enzyme-linked second antibody, a substrate after enzyme reaction is added, then the substrate is subjected to enzyme catalysis to be changed into a fluorescence product, wherein quantitative determination for the H2AX content can be realized according to a fluorescence value of the substrate. According to the method, the content change of the H2AX in the cells, caused by the fact that cigarette smoke is exposed, is quantitatively determined so that the aim of evaluating the virulence of cigarette smoke genes is realized. Compared with a traditional organic dye, the enzyme-linked antibody has the advantages that the catalyzing frequency of an enzyme ...

Full smoke trapping and online analysis device and method

The invention relates to a full smoke trapping and online analysis device and method. The full smoke trapping and online analysis device comprises a cigarette holder (1), a first gas flow controller or an electromagnetic valve (2), a gas pipeline (15) and a suction pump (4) which are sequentially connected, wherein the cigarette holder (1) is used for clamping a cigarette (14), and gas flow of the gas pipeline (15) and gas flow of the cigarette (14) are controlled to be communicated or not through the first gas flow controller or the electromagnetic valve (2). The full smoke trapping and online analysis device further comprises an external control unit (13), a cold trap catcher (16) communicated with the gas pipeline (15) through a first sample inlet (5), and a detection device (22) communicated with the cold trap catcher (16). The full smoke trapping and online analysis device is easy to operate, high in repeatability, high in analysis sensitivity and capable of catching and analyzing ...

光触媒涂料

The composition of the invented photocatalyzed paint comprises (wt%) 0.2-1% of titanium dioxide, 24-445 of latex paint and 55-75% of deoxygenated water, and its preparation method includes the following steps: placing the above-mentioned materials into nano pulverising tank, powering on and making nano stirring machine work for 1 hr. to obtain the invented photocatlayzed paint which is liquid, and can be sprayed and coated on the surface of wood product, wall, plastic product, textiles and leather product.

Quick salvaging device for downhole operation

The utility model discloses a rapid fishing device for downhole operation. The strong magnetic fisher comprises a strong magnetic fisher body, a sliding groove frame, a movable frame and a winding disc. Pulleys are arranged in the sliding groove frame. Moving frames are fixedly mounted at the bottom ends of the pulleys; a first motor is fixedly mounted on one side of the top surface of the movingframe; the output end of the first motor is rotationally connected with one end of a pulley through a belt; a winding disc is fixedly mounted on the bottom surface of the moving frame; one end of thewinding disc is rotationally connected with the output end of the second motor, a pull rope is wound around the surface of the winding disc, a strong magnetic fisher body is arranged at one end of thepull rope, an LED rotary warning lamp is fixedly installed at the top end in the strong magnetic fisher body, an iron core is fixedly installed at the bottom end in the strong magnetic fisher body, and a ...

Aerosol precursor containing medical components of bulbus fritillaria cirrhosa and loquat syrup for treating cough and method for dispersing aerosol precursor into nanoscale fog droplets

The invention relates to an aerosol precursor containing medical components of bulbus fritillaria cirrhosa and loquat syrup for treating a cough. The aerosol precursor comprises glycerin, propylene glycol, 1,3-butanediol, a flavor component and fritillaria cirrhosa and loquat extract for treating the cough at the mass ratio of (40-45) to (20-25) to (0-10) to (0-10) to (1-10). The invention further relates to a method for dispersing the medical components in the fritillaria cirrhosa and loquat syrup for treating the cough into nanoscale fog droplets and further relates to an aerosol containing the nanoscale fog droplets. The aerosol precursor provided by the invention comprises the medical components of the fritillaria cirrhosa and loquat syrup for treating the cough. The medical components are heated in an electronic cigarette smoking set containing an electric heating apparatus to obtain the nanoscale fog droplets which facilitate absorption of a human body on the medical components.

Application of liquid chromatography-tandem mass spectrometry to biological monitoring of 3-methyladenine in large-scale smoker samples

The invention discloses application of a liquid chromatography-tandem mass spectrometry to biological monitoring of 3-methyladenine in large-scale smoker samples. The application comprises the following concrete processes: (1) sampling, namely recruiting smoker and nonsmoker volunteers, screening the volunteers and collecting urine of the volunteers; (2) treating and measuring the urine of all the volunteers one by one to obtain the content of 3-methyladenine in a urine sample of each volunteer; and (3) inputting measured data of the urine sample of each volunteer to data analysis software for analyzing and processing to find a rule of the content of 3-methyladenine in the urine of smokers. The application method for analyzing and detecting the content of 3-methyladenine in urine of smokers in China is established by recruiting volunteers in a large scale and optimizing the storage condition as well as treatment and detection conditions of a great number of urine samples, is suitable for ...

Xenon lamp ageing oven with atmospheric control system

The utility model discloses a xenon lamp ageing oven with atmospheric control system, including the casing, set up light source module in it, the light source adopts the xenon lamp, experiment cabin phantom piece, it sets up the light source module below, personally experience sth. Part of the body in the cabin including testing, the experiment hatch door, and experiment cabin body top is open ended design, tests the hatch door setting on testing the cabin body, the heating module, it includes circulating fan, the circulation wind channel, heater strip, circulating fan set up in experiment cabin phantom piece top, and circulating fan connects gradually heater strip, the experiment cabin body through the circulation wind channel, the atmospheric control module, it includes humiture instrument and control panel, and the humiture instrument is established on the casing, and control panel connects the heating module, host system, light source module, experiment cabin phantom piece and atmospheric ...

Application of liquid chromatography tandem mass spectrogram method in biological monitoring of 3-alkylation adenine in mass smokers

The invention relates to the application of a liquid chromatography tandem mass spectrogram method in biological monitoring of 3- alkylation adenine in mass smokers. The application is characterized in that a testing process comprises the following steps: defrosting urine excreted for 24 h at a room temperature; mixing the urine evenly and conducting a centrifugal filtration; purifying and enriching the urine through an Oasis MCX solid phase extraction column; mixing well and adopting an LC-MS/MS system to analyze; accurately detecting the content levels of the 3- alkylation adenine (3- methyl adenine, 3-Me A, 3- ethyl adenine, 3-Et A, 3- hydroxyethyl adenine, 3-H O Et A) in the urine. According to the invention, deuterium generation standards are utilized as internal standard quantitative analyte, so that inaccuracies occurred during the pre-treatment process of samples are reduced; the tandem mass spectroscopy method better improves the selectivity, accuracy and the sensitivity of the ...

Pull rod type cigarette holder capable of holding cigarettes with different diameters

The utility model discloses a pull rod type cigarette holder capable of holding cigarettes with different diameters. The pull rod type cigarette holder comprises a holder body (1), n clamping pieces (2), n inclined pull rods (4), a right-angle pull rod (6) and a guiderail (7), wherein the holder body (1) is of a hollow structure; the clamping pieces (2) are positioned in the holder body (1); the outer side surfaces of the clamping pieces (2) are connected with the inner wall of the holder body (1) through springs (3); the inclined pull rods (4) are respectively connected with the clamping pieces (2); the inclined pull rods (4) and the clamping pieces (2) are fixed on a pull rod hinge joint (5); the right-angle pull rod (6) is L-shaped; one end of the right-angle pull rod (6) is fixed on the pull rod hinge joint (5) and the other end of the right-angle pull rod (6) penetrates through a holder body lower section (10) and the guiderail (7), and fixed on an adjustment operation block (9) through ...

Cigarette smoking device having electronic atomization function and method for improving cigarette smoking quality

The present invention relates to a cigarette smoking device having an electronic atomization function, including a cigarette holder and an electronic atomization component cooperatively assembled with one another, wherein the cigarette holder includes a cigarette holding cavity and an optional end cap for closing the open end of a shell; the electronic atomization component includes the shell and the following components located in the shell: a power supply, an airflow sensor switch and an atomizer provided with a central airflow channel; the cigarette holding cavity is in air communication with the central airflow channel of the atomizer; the cigarette smoking device further includes an airflow sensor switch air inlet penetrating the shell and/or the end cap of the cigarette holder. Also provided is a method for improving cigarette smoking quality, the method includes smoking after mainstream smoke generated by an end-lighting cigarette, dilution air and atomization vapor are mixed.

Clamping device of metal material deflection proof box

The utility model discloses a clamping device of metal material deflection proof box, including the tray that is used for a plurality of metalworks of clamping (3), the tray include bottom plate (1), organic glass baffle (2) and magnet (4), organic glass baffle (2) fixed connection fixes on bottom plate (1) at bottom plate (1) up end, magnet (4) equipartition, and the one end of metalwork (3) is adsorbed on magnet (4). More than adopting after the structure, because strength magnets is passed through on the tray to the one end of metalwork, consequently, the clamping is more convenient, improves the efficiency of clamping and dismantlement greatly, simultaneously, the metalwork is in free unbound state completely, makes whole realization of metalwork warp in step, makes measured data more accurate.

Detecting method for 3-ethyl adenine (3-HOEtA) in urine

The invention provides a detecting method for 3-ethyl adenine (3-HOEtA) in urine. The detecting method is characterized by comprising the steps of unfreezing 24-hour urine at room temperature, uniformly mixing the urine and centrifugally filtering the urine; purifying and enriching the urine through an OasisMCX solid-phase extraction column; introducing the urine to an LC-MS (liquid Chromatograph Mass Spectrometer)/MS system for analyzing after uniformly mixing to accurately detect the content of 3-EtA in the urine. The detecting method is a brand new detecting method for 3-EtA in the urine; a deuterated standard is used as a quantitative analyte of an internal standard, so that errors caused in a sample pretreatment process can be reduced; moreover, a tandem mass spectrometry is adopted so that the selectivity, accuracy and sensitivity of the method are better improved. Through selecting and optimizing a chromatographic column and an elution condition, the chromatographic separation process ...

Super stable state sunshine simulator

The utility model discloses a super stable state sunshine simulator, including its characterized in that include the casing be equipped with light source module, host system, the experiment cabin body, power module in the casing, light source module includes light source, light source support, the light source sets up on the light source support, the light source is the metal halid lamp, the light source module below sets up the experiment cabin body, experiment cabin body top is open ended design, and the experiment cabin is equipped with the hatch door, and power module is whole device and supplies power, host system connects power module, the experiment cabin body, light source module, and host system controls whole equipment. The utility model discloses simple structure, work efficiency is high, can the effectual user of making reduces test time, simultaneously testable under the spotlight condition photovoltaic solar cell's generation performance.

Chassis limiting device, engineering machinery chassis and engineering machinery

The invention relates to the field of engineering machinery, and discloses a chassis limiting device, an engineering machinery chassis and engineering machine.The chassis limiting device comprises a body connecting piece, a first limiting piece and a second limiting piece, and the body connecting piece is used for being fixedly connected with a chassis body of the chassis; the first limiting piece and the second limiting piece are used for being fixedly connected with supports on the two transverse sides of the chassis body correspondingly, oppositely arranged on the two sides, in the first direction, of the body connecting piece and movably connected with the body connecting piece correspondingly. The body connecting piece can independently or synchronously move in the first direction relative to the body connecting piece. According to the chassis limiting device, the supports on the two transverse sides of the chassis body are supported and limited, so that the supports on the two transverse ...

Rollable end sealing block, sealing method of rollable end sealing block and heating cigarette comprising rollable end sealing block

The invention belongs to the technical field of heating cigarettes, and particularly relates to a reelable end sealing block, a sealing method of the reelable end sealing block and a heating cigarette comprising the reelable end sealing block. The sealing block comprises a reelable sealing block body and N fan-shaped sealing blocks arranged at one end of the reelable sealing block body, the reelable sealing block body is rectangular, the N fan-shaped sealing blocks are completely connected with one edge a of the reelable sealing block body through arc lines of the N fan-shaped sealing blocks, the arc lines are indentation lines, and the length a of the edge a of the reelable sealing block body is larger than the length a of the edge a of the reelable sealing block body. N is an integer greater than 2. The cigarette end sealing mode is novel, the cylindrical main body part and the end sealing piece are the integrated rollable end sealing block and are connected through the indentation line ...

Smoke generator and smoke suction device

The invention discloses a smoke generator (100), which is convenient for control over heating degree of tobacco so as to continuously generate stable smoke amount. The smoke generator (100) comprises an upper fixed seat (30), a lower fixed seat (20) and a plurality of heating units (10), wherein a plurality of first positioning pieces (31) are arranged on the upper fixed seat (30); a plurality of second positioning pieces (21) are arranged on the lower fixed seat (20); the heating units (10) are fixed between the upper fixed seat (30) and the lower fixed seat (20) through the first positioning pieces (31) and the second positioning pieces (21); the heating units (10) form a cavity (101), which is suitable for being filled with a solid smoke-generating material, in a surrounding manner; a feed inlet (33) running through the cavity (101) is formed in the upper fixed seat (30); and the heating units (10) can respectively and independently work. The invention further discloses a smoke suction ...

Location hinge means

The utility model discloses a location hinge means, include: interior swing arm, outer swing arm and location shelves post, interior swing arm is the straight arm of being connected with terraced frame with outer swing arm one end, and the other end is the carousel, and outer swing arm carousel entangles interior swing arm carousel, and interior swing arm links together through central borehole jack rotation with outer swing arm, is equipped with the center pin that can twitch from top to bottom in the borehole jack, is equipped with a set of locating hole on the outer swing arm carousel, two sets of locating holes when being equipped with the folding hinge in location on the interior swing arm carousel and opening different angle positions, a set of locating hole on the outer swing arm disc is two, and two locating hole symmetric distributions are in the setting of the both sides of center pin for the outer swing arm straight arm longitudinal center line of line of centres perpendicular ...

Shaping equipment for fishing hydraulic bent joint underground

The utility model discloses shaping equipment for underground salvage of a hydraulic elbow joint. The device comprises a supporting plate block and a bottom plate, a base is welded to the lower end face of the bottom plate. A shaping plate groove is formed in the upper end face of the bottom plate. Symmetrically distributed supporting columns are welded to the two sides of the upper end face of the bottom plate; the supporting plate block is mounted at the upper end of the supporting column; a first hydraulic device is fixed to the lower end face of the supporting plate. A second hydraulic device is fixed on one side of the first hydraulic device; each of the first hydraulic device and the second hydraulic device comprises a hydraulic oil pump and a hydraulic cylinder; and the hydraulic oil pump communicates with the hydraulic cylinder, a hydraulic rod is arranged in the hydraulic cylinder, second shaping plates are installed at the tail ends of hydraulic rods of the first hydraulic device ...

Cable arrangement control method and device of winch, winch, storage medium and electronic equipment

The invention discloses a cable arrangement control method and device of a winch, the winch, a storage medium and electronic equipment. The invention relates to the technical field of cable arrangement, and aims to solve the technical problem of how to ensure normal operation of cable arrangement of a cable under the condition that the cable is overlong in use. The cable arrangement control method comprises the following steps: determining a signal variable quantity according to an operation state signal of a cable storage motor and an initial state signal of the cable storage motor; determining a first control signal of the servo motor according to the signal variable quantity; and controlling the servo motor based on the first control signal to enable the cable arrangement position of the winch to be within a preset range. Synchronous operation of the cable storage motor of the cable storage winding drum and the servo motor of the lead screw can be controlled according to the signal variation ...

Method and device for calibrating and positioning

The embodiment of the invention discloses a method and a device for calibrating and positioning, which are used for calibrating parameters of a mechanical device. The method comprises the following steps: acquiring a calibration value of a parameter to be calibrated in a preset working mode, wherein the calibration value is the actual measurement value of the parameter to be calibrated in the preset working mode; judging whether the calibration value is equal to a system value of the parameter to be calibrated or not in the preset working mode; when the calibration value is judged not equal to the system value, using the calibration value to update the system value; and according to the updated system value, acquiring real-time data of the parameter to be calibrated. The method and the device implement calibration for the parameters of the mechanical device through electric calibration, and achieve the effects of simple calibration and easy usage and maintenance.

Preparation method and application of tobacco leaves with sweet flavor of coffee ligusticum chuanxiong hort

The invention relates to a preparation method and application of tobacco leaves with sweet flavor of coffee ligusticum chuanxiong hort. The preparation method comprises the following steps: after selected tobacco leaves are dampened, the water content of the tobacco leaves is 14-17%; the tobacco leaves are cut into long and narrow tobacco strips; the tobacco strips are soaked in an essence solution with the sweet flavor of the coffee ligusticum chuanxiong hort, the soaked tobacco strips are subjected to low-temperature baking at the temperature not higher than 50 DEG C, and the tobacco leaves with the sweet flavor of the coffee ligusticum chuanxiong hort are obtained. According to the technical scheme, the tobacco leaves with the sweet flavor of the coffee ligusticum chuanxiong hort are prepared, the tobacco strip bundles are prepared, the tobacco strip bundles are wrapped with the three tobacco leaf layers with the specific styles, the prepared tobacco column is basically prepared from ...

纳米燃油催化剂

The present invention relates to a nano fuel oil catalyst, which is made up by using 400-1000g of deoxygenated water, 1-3g of benzene, 0.1-0.3g of methyl alcohol, 0.1-0.3g of rare earth and 0.1-0.3g of sulfur, in the above-mentioned raw material 0.1-0.3g of butylene and 0.1-0.3g of silicon oxide. Its preparation method includes the following steps: firstly, placing the deoxygenated water into pulverizing tank, then successively adding the above-mentioned other raw materials into said pulverizing tank, powering on and starting nano pulverizing machine to work for 1 hr. so as to can obtain the invented nano fuel oil catalyst which can save fuel oil by about 10-20%, and can prolong service life of vehicles.

Aerosol precursor containing medicinal composition of oral medication for treating common cold and method for dispersing aerosol precursor into nano-scale droplets

The present invention relates to an aerosol precursor containing the medicinal composition of an oral medication for treating the common cold, which comprises glycerin, propylene glycol, 1,3-butylene glycol, a flavor component and an oral medication extract for treating the common cold in the mass percentage of (40-45):(20-25):(0-10):(0-10):(0-10) correspondingly. According to the technical scheme, the invention also relates to a method for dispersing the medicinal composition of the oral medication for treating common cold into nano-scale droplets, and an aerosol containing the nano-scale droplets. The aerosol precursor contains the medicinal composition of the oral medication for treating common cold. The aerosol precursor is placed in an electronic cigarette smoking set comprising an electric heater so as to be heated to generate nano-scale droplets. Therefore, the absorption effect of the medicinal composition by human bodies is better.

Portable anti-falling overshot for downhole operation

The utility model discloses a portable anti-falling overshot for downhole operation. The device comprises a guide shoe, a cylinder body, an upper joint, a safety joint, a screw and a spiral slip, a packing is fixed at the top end in the cylinder body; a spiral groove is formed in the inner wall of the cylinder body below the packing; the spiral slip is mounted on the spiral groove in a threaded manner; a control clamping ring is clamped at the bottom end of the interior of the cylinder body; the guide shoe is installed at the bottom end of the cylinder body in a threaded mode. The top end of the barrel is welded with the bottom end of the upper joint; the top end of the upper connector is in threaded connection with the bottom end of the safety connector, a fixing ring is welded to the outer side of the top end of the upper connector, the inner wall of the fixing ring is attached to the outer side of the bottom end of the safety connector, a first screw hole is formed in the fixing ring ...

Ultra -violet lamp source structure

The utility model provides an ultra -violet lamp source structure, including lamp body and fluorescent tube, the lamp body comprises top surface, bottom surface and side, the top surface is equipped with air exit and inlet scoop, the bottom surface is the filter element, the side is equipped with the vent, the inside of lamp body is equipped with fan, filtration equipment, fluorescent tube and reflector, the fan is provided the lower part of inlet scoop, filtration equipment is provided the inlet scoop with between the fan for filter the big dust of granule in the air, the reflector is provided the lower part of fan, the fluorescent tube is fixed to be provided the inside of reflector. Heat dispersion is good for the structure, has improved the utilization ratio of ultraviolet ray and the inhomogeneities of facula, but single fluorescent tube simultaneous ejaculation UVA and UVB wave band spectrum, and high with natural light spectrum degree of fitting, the test result is more accurate.

Application of liquid chromatography tandem mass spectrometry method in biological monitoring on 3-ethyl adenines among samples of large-scale smokers

The invention relates to application of a liquid chromatography tandem mass spectrometry method in biological monitoring on 3-ethyl adenines among samples of large-scale smokers. The method comprises the following steps: (1) sampling: recruiting the volunteers of smokers and nonsmokers, screening the volunteers and collecting the urines of the volunteers; (2) treating and detecting the urines of the volunteers one by one so as to obtain the content of the 3-ethyl adenine in a urine sample of each volunteer; and (3) performing analysis processing by inputting the detecting data of the urine sample of each volunteer into data analysis software so as to find the rule of the content of the 3-ethyl adenines in the urines of the smokers. The application method for analyzing and detecting the level of the content of the 3-ethyl adenines in the urines of the smokers in China is established by recruiting the large-scale volunteers and optimizing the preservation conditions and the treatment detecting ...

Three-purpose heating smoke cartridge and manufacturing method and application thereof

The invention belongs to the technical field of heating cigarettes, and particularly relates to a three-purpose heating cigarette cartridge and a manufacturing method and application thereof. The smoke cartridge (1) comprises a first hollow pipe (13), a heat uniformizing piece (15) is arranged in the far lip section of the first hollow pipe (13), and a smoke generating substance (12) is arranged on the downstream of the heat uniformizing piece (15); wherein the heat uniformizing piece (15) is of a side-standing cup-shaped structure with an air cavity (16), the cup opening end is the far lip end of the heat uniformizing piece (15), the cup opening end is open, and the cup bottom end is provided with a vent hole and is the breathable near lip end of the heat uniformizing piece (15). The invention creatively designs a three-purpose heating smoke cartridge. A far lip section of the smoke cartridge is provided with a heat uniformizing piece with a hole at a near lip end. After the smoke cartridge ...

Independent smoke generation section, pluggable split type cigarette comprising same and use method

The invention belongs to the technical field of cigarettes, and particularly relates to an independent fuming section, a pluggable split type cigarette comprising the independent fuming section and a use method of the pluggable split type cigarette. The independent fuming section (1) comprises a first hollow pipe (13) and a fuming substance (12) completely filling the inner space of the first hollow pipe (13); the far lip end of the first hollow pipe (13) is blocked by a first blocking piece (11), and the near lip end of the first hollow pipe (13) is blocked by a second breathable blocking piece (14). The invention designs the independent smoke generation section which is of an independent cylinder structure, can be used as a smoke cartridge to be put into a smoking set for smoking, and can also be made into a pluggable split cigarette structure together with the cooling filter section to be used as a cigarette, so that the use flexibility can be improved. Besides, a plurality of vent holes ...

Double -acting style key edge beveler

The utility model relates to a double -acting style key edge beveler. The current low problem of key edge chamfer operating efficiency of main solve. Its characterized in that: be equipped with operation post and chamfering mechanism on the base, the operation post overhead has mounting fixture, is fixed with clamping mechanism on the operation post, and clamping mechanism is including driving actuating cylinder and dead lever, and mounting fixture is equipped with advancing mechanism, advancing mechanism is connected with driving motor I, advancing mechanism and includes two push rods, I simultaneous connection left and right sides push rod of driving motor, be connected fixedly between operation post and the base through the guide rail, the operation post rear end is equipped with driving motor II, mounting fixture and is " protruding " type, and mounting fixture is equipped with two grooves and is parallel to each other, and each tank bottom portion bilateral is equipped with the guide ...

High-pressure pulse nano-scale crusher

The high-pressure pulse nano crusher includes operation station and crushing cylinder. The operation station is provided with safety unit and high-pressure pulse generator, the safety unit includes air switch, automatic pressure stabilizer and breaker, and the high-pressure pulse generator includes step-up transformer, full-wave rectifier and energy storing and pulse discharging unit. The crushing cylinder includes cylinder, water tap on one side wall of the cylinder, negative electrode on the opposite side and positive electrode on the base seat of the cylinder. The present invention has simple structure, high yield, low power consumption and no environmental pollution.

An aerosol precursor containing medicinal effective components in a snake bile-tendrilleaf fritillary bulb soft capsule and a method of dispersing the medicinal effective components into nanometer fog drops

The invention relates to an aerosol precursor containing medicinal effective components in a snake bile-tendrilleaf fritillary bulb soft capsule. The aerosol precursor comprises glycerol, propanediol, 1,3-butanediol, a fragrance compound and a snake bile-tendrilleaf fritillary bulb soft capsule extract in a mass ratio of (40-45):(20-25):(0-10):(0-10):(1-10). The invention also relates to a method of dispersing the medicinal effective components in the snake bile-tendrilleaf fritillary bulb soft capsule into nanometer fog drops, and relates to an aerosol containing the nanometer fog drops. The aerosol precursor comprises the medicinal effective components in the snake bile-tendrilleaf fritillary bulb soft capsule. The nanometer fog drops can be obtained by adding the aerosol precursor into an electronic cigarette smoking set containing an electric heating device and heating, thus benefiting absorption of the medicinal effective components for a human body.

Determination method of 3-alkylated adenine DNA adducts in urine

The invention discloses a determination method of 3-alkylated adenine DNA adducts in urine, namely the determination method of 3-methyl adenine (3-MeA), 3-ethyl adenine (3-EtA) and 3-hydroxyethyl adenine (3-HOEtA). The determination method is characterized in that the test process comprises the following steps: unfreezing urine within 24 hours at room temperature, uniformly mixing and centrifugally filtering, purifying and enriching through an OasisMCX solid phase extraction small column, mixing to be uniform and then introducing into an LC-MS/MS system to analyze so as to accurately detect the content level of 3-MeA, 3-EtA and 3-HOEtA in the urine. The invention relates to the determination method of the 3-alkylated adenine DNA adducts in fresh urine, a deuterated standard product is used as an interior standard quantitive analyte so as to reduce the error caused in the pre-treatment process of the sample, and a tandem mass spectrometry well improves the selectivity, accuracy and sensitivity ...

Ignition equipment for wellhead fire disasters

The utility model discloses ignition equipment for wellhead fire. The ignition cylinder comprises a first telescopic outer cylinder, a second telescopic outer cylinder and an ignition cylinder body, afirst flange plate is welded to the lower surface of the ignition cylinder body. The upper surface of the first flange plate is in threaded connection with a second fixing bolt; a connecting cylinderis inserted into the upper surface of the ignition cylinder body; the outer end surface of one side of the ignition cylinder body is in threaded connection with a locking valve; the first telescopicouter cylinder is welded to the upper surface of the connecting cylinder. The first telescopic outer cylinder is communicated with the connecting cylinder; a first telescopic inner cylinder is inserted into the upper surface of the first telescopic outer cylinder; and the outer end face of one side of the first telescopic outer cylinder is in threaded connection with a first fixing bolt, the uppersurface ...

Detecting method for 3-hydroxyethyl adenine (3-HOEtA) in urine

The invention provides a detecting method for 3-hydroxyethyl adenine (3-HOEtA) in urine. The detecting method is characterized by comprising the steps of unfreezing 24-hour urine at room temperature, uniformly mixing the urine and centrifugally filtering the urine; purifying and enriching the urine through an OasisMCX solid-phase extraction column; introducing the urine to an LC-MS (liquid Chromatograph Mass Spectrometer)/MS system for analyzing after uniformly mixing to accurately detect the content of 3-HOEtA in the urine. The detecting method is a brand new detecting method for 3-HOEtA in the urine; a deuterated standard is used as a quantitative analyte of an internal standard, so that errors caused in a sample pretreatment process can be reduced; moreover, a tandem mass spectrometry is adopted so that the selectivity, accuracy and sensitivity of the method are better improved. Through selecting and optimizing a chromatographic column and an elution condition, the chromatographic separation ...

Application of LC (liquid chromatogram) tandem mass spectrum method in biological monitoring of N3-(2-hydroxyethyl)-adenine in large-scale smoker crowd samples

The invention discloses application of an LC (liquid chromatogram) tandem mass spectrum method in the biological monitoring of N3-(2-hydroxyethyl)-adenine in large-scale smoker crowd samples. The the following specific steps are included: 1) sampling and collecting the urine of volunteers; 2) treating and measuring the urine of the volunteers one by one, and obtaining the content of N3-(2-hydroxyethyl)-adenine in the urine sample of each volunteer; 3) the measured data of the urine sample of each volunteer is input into a data analysis software to be analyzed and processed for finding a content law of the N3-(2-hydroxyethyl)-adenine in the urine of the smokers. According to the invention, as a deuterated standard substance is adopted as an internal quantitative analyte, errors caused by pretreatment process are reduced, the tandem mass spectrum method enables the selectivity, accuracy and sensitivity of methods to be improved in a better way, and through the selection and optimizing of ...

Method for measuring 3-methyl adenine (3-MeA) in urine

The invention discloses a method for measuring 3-methyl adenine (3-MeA) in urine. The method is characterized in that in the measuring process, urine of 24 hours is unfrozen at room temperature, is uniformly mixed and centrifugally filtered, is purified and enriched by an OasisMCX solid-phase extraction column, is uniformly mixed and introduced into an LC-MS/MS (Liquid Chromatography-Mass Spectrometry/Mass Spectrometry) system for analysis so as to accurately measure the content level of 3-MeA in the urine. According to the novel method for measuring 3-MeA in urine, errors caused in a pretreatment process of a sample can be reduced when a deuterated standard substance is used as an internal standard quantitative analysis substance, and the selectivity, the accuracy and the sensitivity of the method are well improved by a tandem mass spectrometry method. Through selection and optimization of a chromatographic column and an elution condition, the chromatographic separation process is well ...

Pull-rod cigarette clamp holder capable of clamping cigarettes of different diameters

The invention discloses a pull-rod cigarette clamp holder capable of holding cigarettes of different diameters. The pull-rod cigarette clamp holder comprises a clamp holder body (1), n clamping sheets (2), n diagonal members (4), a right-angle pull rod (6) and a guide rail (7), wherein the clamp holder body (1) has a hollow structure; the n clamping sheets (2) are positioned in the clamp holder body (1); the outer side face of each clamping sheet (2) is connected with the inner wall of the clamp holder body (1) through a spring (3); each diagonal member is connected with one clamping sheet, and is fixed on a pull rod articulation joint (5) together with the clamping sheet; the right-angle pull rod (6) is L-shaped; one end of the right-angle pull rod (6) is fixed on the pull rod articulation joint (5); the other end of the right-angle pull rod (6) passes through a clamp holder body lower segment (10) and the guide rail (7), and is fixed on an adjusting operation block (9) through a locking ...

4-kilowatt high-power sunlight simulation driving power supply

The utility model discloses a 4-kilowatt high-power sunlight simulation driving power supply. Comprising a control circuit, an EMI filter circuit, a power factor correction circuit, an auxiliary power supply, an RLC absorption circuit, a first current sensor, a first driving protection circuit, a clamping filter circuit, an analog multiplier, a lamp voltage detection circuit, a second driving protection circuit, a third driving protection circuit and a fourth driving protection circuit. A fifth driving protection circuit, a second current sensor, a temperature detection circuit and an input and output weak current port; wherein the first diode D1, the seventh diode D7, the first inductor L1, the second inductor L2, the first current sensor, the first driving protection circuit, the second field effect transistor Q2, the fourth field effect transistor Q4 and the RLC absorption circuit form a BUCK circuit. High-voltage direct current is inverted into low-frequency square wave alternating ...

Forming-tool-type staircase formwork system and constructing method thereof

Disclosed are a forming-tool-type staircase formwork system and a constructing method thereof. A steel support is arranged between lateral formworks of the forming-tool-type staircase formwork system, and the steel support comprises two supporting frames and transverse main joist steel tubes for connecting the supporting frames. The supporting frames comprise longitudinal main joist steel tubes and angle steel supporting frame bodies on the bottom surfaces. The angle steel supporting frame bodies are arranged in the mode that the angle steel supporting frame bodies correspond to stepping lateral plates one to one, and vertical angle steel of the angle steel supporting frame bodies are connected with the stepping lateral plates through self-made connecting pieces. According to the forming-tool-type staircase formwork system, the axis of a staircase is located accurately, the geometric dimension of the staircase and the flatness of the forming face of the staircase are effectively controlled ...

Tobacco pipe with electronic atomization function

The invention relates to a tobacco pipe with an electronic atomization function. The tobacco pipe comprises a pipe bowl (17), a pipe handle (18), a suction mouth section (10), a switch and an atomizer (9), wherein the pipe bowl (17), the pipe handle (18) and the suction mouth section (10) are connected in sequence, the pipe bowl (17) comprises a cigarette containing unit (1) which runs through the top of the pipe bowl (17), an auxiliary air inlet (12) which runs through the upper wall or the side wall of the pipe bowl (17) and a power supply (4) which is positioned in the pipe bowl (17), and the atomizer (9) and the cigarette containing unit (1) are connected in series or in parallel. The tobacco pipe with the electronic atomization function has the effects of being capable of increasing the cigarette suction sensory quality and reducing the harmfulness of smoking.

Heating cigarette and manufacturing method and application thereof

The invention belongs to the technical field of heating cigarettes, and particularly relates to a heating cigarette and a manufacturing method and application thereof. The heating cigarette comprises a fuming section (1) and a cooling and filtering section (2) from the far lip end to the near lip end. The fuming section (1) comprises a first hollow pipe (13), a heat uniformizing piece (15) is arranged in a far lip section of the first hollow pipe (13), and a plugging piece (14) with a hole is arranged on a near lip section of the first hollow pipe (13); the heat uniformizing piece (15) is of a side-standing cup-shaped structure with an air cavity (16), the cup opening end is the far lip end of the heat uniformizing piece (15), the cup opening end is open or provided with a sealing film, and the cup bottom end is provided with a vent hole and is the breathable near lip end of the heat uniformizing piece (15). The heat uniformizing piece with the hole in the bottom is creatively additionally ...

Aerosol precursor containing medicinal compositions of snake gall and unibract fritillary bulb powder and method for dispersing aerosol precursor into nano-scale fog droplets

The invention relates to an aerosol precursor containing medicinal compositions of snake gall and unibract fritillary bulb powder. The aerosol precursor comprises the following components: glycerol, propylene glycol, 1,3-butanediol, aromatic substances and a snake gall and unibract fritillary bulb powder extract, wherein a mass proportion of glycerol to propylene glycol to 1,3-butanediol to the aromatic substances to the snake gall and unibract fritillary bulb powder extract is equal to (40-45):(20-25) :(0-10) :(0-10) :(1-10). The invention also relates to a method for dispersing the medicinal compositions in the snake gall and unibract fritillary bulb powder into nano-scale fog droplets, and also relates to an aerosol containing the nano-scale fog droplets. The aerosol precursor disclosed by the invention contains the medicinal compositions of the snake gall and unibract fritillary bulb powder, and the nano-scale fog droplets can be obtained by heating the aerosol precursor in an electronic ...

Folding step is with location the hinge mechanism

The utility model discloses a folding step is with location the hinge mechanism, including interior swing arm, outer swing arm and location bumping post, interior swing arm is the straight arm of being connected with the ladder frame with outer swing arm one end, and the other end is the carousel through the mutual hinge of axis, outer swing arm hinge carousel is two flat boards, interior swing arm hinge carousel flat board inserts two dull and stereotyped middle axis turning joints that pass through and is in the same place set up on two flat boards of outer swing arm and have two sets of outer swing arm locating holes at least use the axis to be provided with a set ofly and the corresponding interior swing arm locating hole of outer swing arm locating hole as central symmetry on the interior swing arm carousel, the utility model discloses eliminate former product axis and pressed the process of the loaded down with trivial details complicacy of auto -lock structure processing, simple ...

Nm-class pulse breaker and process for preparing nm particles

A pulse breaker for preparing nm-size product is composed of consol, accelerator with positive and negative electrodes and stirrer having a stirring chamber consisting of casing, top cover, and base.A DC voltage is stepped up to 50000 V by accelerator and capacitor and then applied to positive and negative electrodes in stirring chamber to generate sparks, which can break the raw material in said stirring chamber. The broken raw material then goes through depositing, dewatering, drying and packing steps.

Heating control method of microwave heating type smoking set

The invention discloses a heating control method of a microwave heating type smoking set, the microwave heating type smoking set is internally provided with an MCU microcontroller, a microwave generating circuit and a microwave transmitting antenna, and the microwave transmitting antenna is in contact with a smoke cartridge when the smoke cartridge is heated and periodically scans return loss of the smoke cartridge under each frequency within a certain frequency range; and the MCU microcontroller selects the frequency with the minimum echo loss as the optimal frequency, so that the microwave generation circuit works at the optimal frequency. The microwave heating efficiency is greatly improved.

Moistureproof coating

The invention aims to provide a moistureproof coating and a production and application method thereof. On one hand, the problem that the conventional moistureproof coating is high in the rate of absorbing moisture from a porous easily hygroscopic material under a certain condition is solved, and on the other hand, the problem that the adhesion force of COC (Cyclic Olefin Copolymer) resin on metal materials is poor is solved. According to the invention, the mostureproof performance of the coating is very excellent by using the COC resin as surface paint, the COC resin can be well adhered to a base material by using custom acrylic acid resin as bottom paint, and the metal material adhesion force of the COC resin can reach the Grade I.

Double-layer heating cigarette as well as preparation method and application thereof

The invention belongs to the technical field of heating cigarettes, and particularly relates to a double-layer heating cigarette and a preparation method and application thereof. The heating cigarette comprises a hollow pipe (2) and an attractive paper layer (3) wrapped on the outer layer of the hollow pipe (2), a sealing piece (1) is sealed at the far lip end of the hollow pipe (2), and the side end of the sealing piece (1) is wrapped by the attractive paper layer (3). The outer layer of the hollow pipe is wrapped with the attractive paper layer, the side end of the sealing piece is wrapped with the attractive paper layer, at the moment, the side end of the sealing film/the side end of the sealing sleeve cannot be exposed outside, and therefore the phenomenon that the sealing film/the sealing sleeve falls off from the hollow pipe when the side end of the sealing film/the sealing sleeve is stressed in the transportation or filling process of cigarettes is avoided. In addition, an empty ...

Aerosol precursor containing effective components of compound tablet of fritillary bulb and method for dispersing effective components of compound tablet of fritillary bulb into nanoscale droplets

The invention relates to an aerosol precursor containing effective components of a compound tablet of fritillary bulb. The aerosol precursor comprises glycerin, propylene glycol, 1,3- butanediol, flavor components and an extract of the compound tablet of fritillary bulb, wherein the mass ratio of glycerin, propylene glycol, 1,3- butanediol, the flavor components to the extract of the compound tablet of fritillary bulb is (40-45): (20-25): (0-10): (0-10): (1-10). The invention further relates to a method for dispersing the effective components of the compound tablet of fritillary bulb into nanoscale droplets as well as an aerosol containing the nanoscale droplets. The aerosol precursor contains the effective components of the compound tablet of fritillary bulb, the nanoscale droplets can be obtained when the aerosol precursor is placed in an electronic cigarette smoking set comprising an electric heater to be heated, and absorption of the effective components by a human body is better facilitated ...

Oblique ignition cylinder moving and suspending equipment

The utility model discloses a movable suspension device for an oblique ignition cylinder. The device comprises stand columns, I-shaped steel, displacement blocks, electric hoists and transverse rods.Limiting plates are welded to the bottom end faces of the stand columns. I-shaped steel is welded to the ends, deviating from the limiting plates, of the stand columns; a first pulley is rotationallymounted in the displacement block; the displacement block is mounted on the I-shaped steel in a sliding manner through a first pulley; an electric hoist is fixed to the end face of the side, deviatingfrom the I-shaped steel, of the displacement block. The electric hoist is fixedly connected with the hook through a steel wire rope; a groove is formed in the cross rod; a limiting column is welded to the bottom end in the groove, the outer side of the limiting column is sleeved with a spring, one end of the spring is fixedly connected with the surface of the bottom of the groove, the other end of the ...

Aerosol precursor containing pharmacodynamic ingredients of Chuanbei Pipa syrup and method for dispersing aerosol precursor into nano-scale frog drops

The invention relates to an aerosol precursor containing pharmacodynamic ingredients of Chuanbei Pipa syrup. The aerosol precursor contains glycerol, propanediol, 1,3-butanediol, an aromatic substance and a Chuanbei Pipa syrup extract in a mass ratio of (40-45):(20-25):(0-10):(0-10):(1-10). The invention also relates to a method for dispersing the pharmacodynamic ingredients of Chuanbei Pipa syrup into nano-scale frog drops, and also relates to an aerosol containing the nano-scale frog drops. The aerosol precursor provided by the invention contains the pharmacodynamic ingredients of the Chuanbei Pipa syrup, and the nano-scale frog drops can be obtained by heating the aerosol precursor in an electronic cigarette smoking set comprising an electric heating device, so that the aerosol precursor is more beneficial for a human body to absorb the pharmacodynamic ingredients.

An aerosol precursor containing medicinal effective components of a niuhuang shedan chuanbei mixture and a method of dispersing the medicinal effective components into nanometer fog drops

The invention relates to an aerosol precursor containing medicinal effective components of a niuhuang shedan chuanbei mixture. The aerosol precursor comprises glycerol, propanediol, 1,3-butanediol, a fragrance compound and a niuhuang shedan chuanbei mixture extract in a mass ratio of (40-45):(20-25):(0-10):(0-10):(1-10). The invention also relates to a method of dispersing the medicinal effective components in the niuhuang shedan chuanbei mixture into nanometer fog drops, and relates to an aerosol containing the nanometer fog drops. The aerosol precursor comprises the medicinal effective components in the niuhuang shedan chuanbei mixture. The nanometer fog drops can be obtained by adding the aerosol precursor into an electronic cigarette smoking set containing an electric heating device and heating, thus benefiting absorption of the medicinal effective components for a human body.

Preparation of novel chemical milling protective coating

The invention discloses a novel chemical milling protective coating, which is a single-component coating comprising a thermoplastic elastomer, a pigment, a filler, an aid, a solvent and the like. The coating can be dried at normal temperature and also can be dried at a low temperature; and a film is level and uniform, and has a certain adhesive force and better physical and mechanical properties. Meanwhile, the coating has high chemical corrosion resistance and peeling performance, is mainly used for chemical milling of an aluminum alloy, a titanium alloy, stainless steel and the like, processing of high-hardness metals, anodizing of the aluminum alloy, electroplating, etching processing temporary protection of artistic products with complex technology and the like, and also can be used for chemical corrosion-resistant shielded protection of coated object surfaces or used as temporary protection coatings for preventing scratches and bruises on surfaces of instruments and mechanical equipment ...

Heating cigarette and application thereof

The invention belongs to the technical field of heating cigarettes, and particularly relates to a heating cigarette and application thereof. The heating cigarette comprises: a hollow tube (15); a hollow cooling supporting piece (12), a blocking limiting piece (13) and a fuming substance (14) are sequentially arranged in the hollow pipe (15) from downstream to upstream; the hollow cooling supporting piece (12) is a corrugated pipe and comprises a peripheral hollow pipe (121), an inner hollow pipe (122) and a corrugated layer (123) between the peripheral hollow pipe (121) and the inner hollow pipe (122). The heating cigarette is provided with the hollow cooling supporting piece, and the problem that the filtering piece moves in the using process can be effectively solved. Particularly, the hollow cooling supporting piece is provided with a peripheral airflow channel, the total particulate matter of smoke of the heated cigarette can be greatly increased, and it is indirectly indicated that ...

Device and method for realtime on-line analysis of heavy metal in electronic cigarette smoke

The invention relates to a device and method for realtime on-line analysis of heavy metal in electronic cigarette smoke and belongs to the technical field of electronic cigarette smoke measurement. The device comprises a smoke suction machine, an induction coil, an electrolytic tank and an electrochemical work station, wherein the smoke suction machine comprises a smoke suction device and an exhaust device; the smoke suction device is connected with the electrolytic tank through a gas inlet channel; the exhaust device is connected with the electrolytic tank through a gas outlet channel; multiple grippers are arranged on the smoke suction device; the electrolytic tank is upwardly arranged at the axis of the induction coil; the induction coil is arranged in the middle of the electrolytic tank; the two ends of the induction coil are separately connected with the positive and negative electrodes of a power source; the electrochemical work station is separately connected with a work electrode ...

Flocculation and sedimentation method of superfine material

The invention provides a flocculation and sedimentation method of a superfine material. An annular medicament storage tank which rotates along a bridge frame is arranged on the bridge of a peripheral transmission type thickener; the medicament storage tank is positioned in the middle of a central feeder drum and on the upper part of a steady flow barrel; the feed outlet of the central feeder drumis sunk into the liquid level; and four 90-degree bent pipes are used as whirl outlet pipes to be uniformly distributed at the periphery of the central feeder drum, wherein the outlet section is morethan or equal to the section of the central barrel, and the outlet is arranged along the tangential direction. Eight administration lead-out holes are formed; four administration lead-out holes are formed inside the steady flow barrel and occupy 60 to 70 percent of the total medicament amount; and the other four administration lead-out holes are formed at the periphery of the steady flow barrel and occupy ...

Flocculation and sedimentation method of superfine material

The invention provides a flocculation and sedimentation method of a superfine material. An annular medicament storage tank which rotates along a bridge frame is arranged on the bridge of a peripheral transmission type thickener; the medicament storage tank is positioned in the middle of a central feeder drum and on the upper part of a steady flow barrel; the feed outlet of the central feeder drum is sunk into the liquid level; and four 90-degree bent pipes are used as whirl outlet pipes to be uniformly distributed at the periphery of the central feeder drum, wherein the outlet section is more than or equal to the section of the central barrel, and the outlet is arranged along the tangential direction. Eight administration lead-out holes are formed; four administration lead-out holes are formed inside the steady flow barrel and occupy 60 to 70 percent of the total medicament amount; and the other four administration lead-out holes are formed at the periphery of the steady flow barrel and ...

Pluggable particle type fuming section, manufacturing method, application and using method

The invention belongs to the technical field of heating cigarettes, and particularly relates to a pluggable particle type fuming section, a manufacturing method, application and a using method. The fuming section (1) comprises a hollow pipe (13), and a heat uniformizing piece (15) is arranged in a far lip section of the hollow pipe (13); the heat uniformizing piece (15) is of a side-standing cup-shaped structure, the cup opening end is the far lip end of the heat uniformizing piece (15), the cup bottom end is provided with a vent hole and is the breathable near lip end of the heat uniformizing piece (15), a plugging piece (14) with a hole is arranged in the near lip section of the hollow pipe (13), and a cavity section is formed in the downstream of the plugging piece (14) with the hole. The fuming section is particularly suitable for being added into a smoking set only provided with a filtering section for smoking, so that the size of the matched smoking set can be reduced, and a cavity ...

Sensory quality evaluation method for heating non-combustible cigarette tobacco raw materials

The invention discloses a sensory quality evaluation method for heating non-combustion cigarette tobacco raw materials. The sensory quality evaluation method comprises the following steps: (1) establishing evaluation indexes and an evaluation method from two dimensions of functional characteristics and note characteristics; (2) performing smoking evaluation scoring on the tobacco raw materials of the heat-not-burn cigarettes from the two dimensions in the step (1) by professional evaluation personnel; and (3) determining the type of the tobacco raw materials of the heat-not-burn cigarettes according to the evaluation result of the step (2). According to the evaluation method, a sensory quality evaluation method for screening the tobacco raw materials is provided for heat-not-burn cigarette formula design and product maintenance, and the technical vacancy of heat-not-burn cigarette tobacco raw material formula applicability sensory evaluation is filled.

Method and device for calibrating and positioning

The embodiment of the invention discloses a method and a device for calibrating and positioning, which are used for calibrating parameters of a mechanical device. The method comprises the following steps: acquiring a calibration value of a parameter to be calibrated in a preset working mode, wherein the calibration value is the actual measurement value of the parameter to be calibrated in the preset working mode; judging whether the calibration value is equal to a system value of the parameter to be calibrated or not in the preset working mode; when the calibration value is judged not equal to the system value, using the calibration value to update the system value; and according to the updated system value, acquiring real-time data of the parameter to be calibrated. The method and the device implement calibration for the parameters of the mechanical device through electric calibration, and achieve the effects of simple calibration and easy usage and maintenance.

Positioning hinge mechanism for folding ladder

The invention discloses a positioning hinge mechanism for a folding ladder. The positioning hinge mechanism for the folding ladder comprises an inner swing arm, an outer swing arm and a positioning blocking column, wherein one end of the inner swing arm and one end of the outer swing arm are straight arms connected with a ladder frame, the other end of the inner swing arm and the other end of the outer swing arm are turntables mutually hinged through middle shafts, the hinged turntable of the outer swing arm consists of two flat plates, the flat plates of the hinged turntable of the inner swing arm are inserted into the middles of the two flat plates and are hinged through the middle shaft together, at least two groups of outer swing arm positioning holes are formed in the two flat plates of the outer swing arm, and a group of inner swing arm positioning holes corresponding to the outer swing arm positioning holes are formed in the turntable of the inner swing arm and are centrally symmetric ...

Method for rapidly obtaining nicotine transformant of cultivated tobacco and application of nicotine transformant

The invention discloses a method for rapidly obtaining nicotine transformed plants of cultivated tobaccos and application of the nicotine transformed plants. According to the method for rapidly obtaining the nicotine transformant of the cultivated tobacco, genes related to nicotine transformation of the tobacco are knocked out at the same time through a CRISPR/Cas9 system, the genes are NtNCP1 and NtNCP2 genes, the sequence of the NtNCP1 gene is shown as SEQ ID No.1, and the sequence of the NtNCP2 gene is shown as SEQ ID No.3. According to the application, a CRISPR/Cas9 mediated gene editing technology is utilized to knock out tobacco NtNCP1 and NtNCP2 genes at the same time to obtain an editing material with reduced nicotine content and increased nornicotine content, so that a genetic material and a theoretical basis are provided for tobacco nicotine conversion gene function research and tobacco new variety directional improvement of nicotine content regulation and control.

Lift is tool to lock for folding step

The utility model discloses a lift is tool to lock for folding step, long and thin inserted bar and thick short inserted bar including two parallel arrangement, long and thin inserted bar includes the U -shaped crotch of being bent and being formed by a steel round bar with thick short inserted bar, and one side straight arm of U -shaped crotch is that long arm -shaped becomes long and thin inserted bar, the opposite side straight arm of U -shaped crotch is the galianconism galianconism and the U -shaped crotch section of bending have the plastic layer through the injection mold package, and the galianconism tip side behind the parcel plastic layer forms thick short inserted bar. The utility model discloses because U -shaped crotch structure is the carbon steel material, stopped cracked possibility, simple structure, processing is convenient, the practicality.

Particle type smoke cartridge and manufacturing method and application thereof

The invention belongs to the technical field of heating cigarettes, and particularly relates to a particle type cigarette cartridge and a manufacturing method and application thereof. The smoke cartridge (1) comprises a hollow pipe (13), a heat uniformizing piece (15) is arranged in the far lip section of the hollow pipe (13), and a smoke generating substance (12) is arranged on the downstream of the heat uniformizing piece (15); the heat uniformizing piece (15) is of a side-standing cup-shaped structure with an air cavity (16), the cup opening end is the far lip end of the heat uniformizing piece (15), the cup opening end is open or provided with a sealing film, the cup bottom end is provided with a vent hole, and the near lip section of the hollow pipe (13) is provided with a plugging piece (14) with a hole. The invention creatively designs a particle type heating smoke cartridge, and the two ends of the smoke cartridge are respectively blocked by a uniform heating piece and a blocking ...

Cigarette smoking device with electronic atomization function

The invention relates to a cigarette smoking device with an electronic atomization function. The cigarette smoking device comprises a cigarette clamping device (1) and an electronic atomization assembly, wherein the cigarette clamping device (1) and the electronic atomization assembly are assembled in a matched mode. The cigarette clamping device (1) comprises a cigarette clamping cavity and an optional end cover for closing the opening end of a shell; and the electronic atomization assembly comprises the shell (7) and assemblies located in the shell (7), wherein the assemblies comprise a power source (5), an airflow sensing switch (3) and an atomizer (8) with a center airflow channel. The cigarette clamping cavity is communicated with the center airflow channel of the atomizer (8); the cigarette smoking device further comprises an airflow sensing switch air inlet hole (2) penetrating through the shell (7) and/or an end cover of a cigarette clamping device, and the airflow sensing switch ...

Nm-class pulse breaker and process for preparing nm particles

Full flue gas entrapment and online analysis device

The utility model relates to a full flue gas entrapment and online analysis device, it is used for the cigarette of centre gripping cigarette (14) to prop up holder (1), a gas flow controller or solenoid valve (2), gas piping (15) and suction pump (4) including what the order was connected, wherein gas piping (15) with the air current of cigarette (14) whether communicate by a gas flow controller or solenoid valve (2) control, its still include external control unit (13), with gas piping (15) through first introduction port (5) the intercommunication cold -trap trap (16) and with detection device (22) of cold -trap trap (16) intercommunication. The utility model discloses a device easy operation, good reproducibility, analysis sensitivity is high, and multiple material in the full flue gas of entrapment once only and assay does not need any pretreatment, and need not to use any organic solvent, has reduced the harm of organic solvent to environment and health in the time of saving assay ...

Ultraviolet lamp source structure

The invention discloses an ultraviolet lamp source structure, comprising a lamp housing and a lamp tube; the lamp housing consists of a top surface, a bottom surface and a side surface; an air exhaust port and an air suction port are formed in the top surface; a filter disc is arranged on the bottom surface; an air vent is formed in the side surface; a fan, a filter device, the lamp tube and a reflecting cover are arranged inside the lamp housing; the fan is arranged at the lower part of the air suction port; the filter device is installed between the air suction port and the fan, and is used for filtering out large granular dust in air; the reflecting cover is arranged at the lower part of the fan; the lamp tube is fixedly arranged inside the reflecting cover. According to the structure disclosed by the invention, the heat dissipation performance is good, and the utilization rate of ultraviolet light and the unevenness of light spots are improved; UVA (ultraviolet A) and UVB (ultraviolet ...

Aerosol precursor containing effective components of oral drug for treating rhinitis and method for dispersing effective components into nanoscale droplets

The invention relates to an aerosol precursor containing effective components of an oral drug for treating rhinitis. The aerosol precursor comprises glycerine, propylene glycol, 1,3 butanediol, flavor components and oral dug extract for treating rhinitis, wherein the mass ratio of the glycerine to the propylene glycol to the 1,3 butanediol to the flavor components to the oral dug extract for treating rhinitis is (40-45):(20-25):(0-10):(0-10):(1-10). The invention further relates to a method for dispersing the effective components of the oral drug for treating rhinitis into nanoscale droplets, and an aerosol containing nanoscale droplets. The aerosol precursor contains the effective components of the oral drug for treating rhinitis, is placed in an electronic cigarette utensil containing an electric heating device to be heated to produce nanoscale droplets, and the human body can better absorb the effective components.

Cigarette smoking device having electronic atomization function and method for improving cigarette smoking quality

The present invention relates to a cigarette smoking device having an electronic atomization function, including a cigarette holder and an electronic atomization component cooperatively assembled with one another, wherein the cigarette holder includes a cigarette holding cavity and an optional end cap for closing the open end of a shell; the electronic atomization component includes the shell and the following components located in the shell: a power supply, an airflow sensor switch and an atomizer provided with a central airflow channel; the cigarette holding cavity is in air communication with the central airflow channel of the atomizer; the cigarette smoking device further includes an airflow sensor switch air inlet penetrating the shell and/or the end cap of the cigarette holder. Also provided is a method for improving cigarette smoking quality, the method includes smoking after mainstream smoke generated by an end-lighting cigarette, dilution air and atomization vapor are mixed.

Fuzzy adaptive pid control-based capacity control method of anesthesia machine

A fuzzy adaptive PID control-based capacity control method of an anesthesia machine. The method comprises: obtaining a corresponding initial voltage value according to a predetermined flow value, and inputting the voltage value as a current voltage value into a flow sensor; obtaining a real-time flow value, and a difference value between the real-time flow value and the predetermined flow value, and inputting the two values into a fuzzy adaptive PID controller; calculating and outputting a voltage value by regulating the proportional-control coefficient, integral-control coefficient, and derivative-control coefficient of the PID controller; updating, by using the voltage value, the current voltage value and inputting the same into the flow sensor; and repeating the process until the flow value outputted by the flow sensor satisfies requirements. By means of the method, an anesthesia machine can output a stable and accurate tidal volume in the situations of different predetermined values and different patients.

Cigarette smoking device having electronic atomization function and method for improving cigarette smoking quality

Double-layered heating cigarette, and preparation method therefor and use thereof

The present invention is in the technical field of heated cigarettes and in particular relates to a double-layer heated cigarette, and a preparation method and use thereof. The heated cigarette includes an empty tube (2) and an aesthetic paper layer (3) wrapped on the outer layer of the empty tube (2), an end of the empty tube (3) far away from the lip being sealed with a sealing piece (1), and a lateral end of the sealing piece (1) being wrapped by the aesthetic paper layer (3). In the present invention, the aesthetic paper layer is wrapped on the outer layer of the empty tube and the aesthetic paper layer wraps the lateral end of the sealing piece, at the moment, the lateral end of a sealing film/sealing sleeve is not exposed to the outside, which prevents the sealing film/sealing sleeve from falling off the empty tube when the lateral end of the sealing film/sealing sleeve is forced during transport or filling of the cigarette. In addition, the cigarette empty tube is generally a stiffer paper tube and cannot be printed with a pattern. After the outer layer of the empty tube is wrapped with the aesthetic paper layer, the pattern is easily printed and the cigarette becomes more aesthetic.

Pressure-compensation hydraulic pump, rotation speed control system and control method, and construction machinery

A pressure-compensation controlled hydraulic pump, comprising an electric proportional pressure compensator, a hydraulic pump, a hydraulic control reversing valve and a servo cylinder; the electric proportional pressure compensator can be electrically connected to a controller, a first hydraulic control port of the hydraulic control reversing valve is connected to an internal oil drain path, and is connected to an internal output oil path by means of a hydraulic control oil inlet path provided with a first throttle valve, a second hydraulic control port is connected to the internal output oil path, and the pressure difference between an opening pressure of the electric proportional pressure compensator and an oil outlet pressure of the hydraulic pump can drive the hydraulic control reversing valve to perform reversing, and selectively enable a piston chamber of the servo cylinder to be in communication with the internal output oil path or the internal oil drain path.

Pressure-compensation hydraulic pump, rotation speed control system and control method, and engineering machinery

Ceramic heating piece, preparation method therefor, and use in preventing tar from gelatinizing and sintering

The present invention discloses a ceramic heating sheet, wherein a surface of the ceramic sheet is provided with a three-dimensional foam structure layer of silica nanotubes, the three-dimensional foam structure layer of silica nanotubes having a thickness of 1-8 µm. The present invention also discloses a preparation method for the ceramic heating sheet and use of the ceramic heating sheet for heating cigarettes to prevent tar-like oil gelatinization and sintering.

Double-layered heating cigarette, and preparation method therefor and use thereof