696results about How to "Health hazard" patented technology

The invention relates to a temperature control dry heating prevention electronic cigarette and a temperature control method thereof. The temperature control dry heating prevention electronic cigarette comprises a housing, a liquid storage device, an atomization assembly with an atomization chamber and a heating element, a power supply and a circuit control board with a smoking switch, wherein the liquid storage device, the atomization assembly, the power supply and the circuit control board are mounted in the housing in a sleeve mode. The circuit control board provided with a power management module and a temperature sensing unit, wherein the temperature sensing unit comprises a temperature sensor capable of sensing temperature signals of the atomization chamber and converting the temperature signals into temperature electrical signals to be transmitted the power management module, and the power management module determines and deals with the temperature electrical signals to generate control electrical signals for controlling the heating element to be connected to or disconnected to the power supply. The temperature control dry heating prevention electronic cigarette has the advantages of being capable of preventing the dry heating of the heating element of the atomization assembly for preventing the harmful gas and burning smell from being sucked into a human body and the harm to the health of the human body by using the temperature sensor to detect and control the temperature of the atomization chamber.

The invention relates to an infrared induction temperature control e-cigarette and a temperature control method thereof. The infrared induction temperature control e-cigarette comprises a shell, a liquid storage device nested in the shell, an atomization component, a heating element R in the atomization component, a power supply and a circuit control panel with a smoking switch SW. The circuit control panel comprises an infrared temperature induction unit and a power supply management module. The infrared temperature induction unit can receive an infrared radiation signal which is sent from the heating element R and which represents a certain temperature, then converts the same into a temperature electric signal and sends the temperature electric signal to the power supply management module. After judgment and processing, the power supply management module generates a control electric signal to control the heating element R to be connected/disconnected with the power supply. According to the arrangement, with the infrared temperature induction unit, the temperature in an atomization chamber is detected and controlled, and the atomizer is protected from dry burn. Thus noxious gas and burnt flavor are prevented from entering human bodies, and human health is protected.

The present invention relates to an anti-dry burning device and anti-dry burning control method of electronic cigarettes. The anti-dry burning device of the electronic cigarettes comprises a microcontroller, a buck-boost bridge circuit, a mistorizer resistance value sampling circuit, a mistorizer, a mistorizer resistance value detection module and a battery power supply circuit; and the microcontroller is electrically connected with the buck-boost bridge circuit, the mistorizer resistance value sampling circuit, the mistorizer and the mistorizer resistance value detection module sequentially, and the mistorizer resistance value detection module is connected with the microcontroller; the mistorizer resistance value sampling circuit is electrically with the mistorizer resistance value detection module; a feedback circuit is connected between the mistorizer resistance value sampling circuit and the buck-boost bridge circuit, and the feedback circuit is connected with the microcontroller, and therefore, the microcontroller can adjust the output voltage of the buck-boost bridge circuit and keep the output voltage stable; and when an electronic cigarette is used, tobacco juice is almost exhausted, and the mistorizer resistance value detection module detects that the number of times when the resistance value of the mistorizer consecutively exceeds a dry burning protection set resistance value, exceeds a set number of times, the microcontroller instructs the buck-boost bridge circuit to turn off output, and the electronic cigarette automatically stops working.

The invention discloses an improved textile machine with a dust removal function, which comprises a machine frame, wherein a dust removal box is fixedly connected to the side wall at the upper end ofthe machine frame, a first filter screen and a second filter screen are symmetrically connected to the inner wall of the dust removal box in a sliding manner, and a shaking device for shaking the first filter screen and the second filter screen is mounted in the dust removal box. By the arrangement of a connecting rod which is connected to the inner wall of the dust removal box in a rotary manner,the rotation of the connecting rod enables bristles on the side wall of a transverse plate to clean the first filter screen, due to the arrangement of magnetic semi-discs and magnets, the first filter screen can reciprocate and shake when the connecting rod rotates, so that the cleaning of the first filter screen is accelerated; and by the arrangement of arc-shaped blocks attached to glass blocks, static electricity is generated by friction between the glass blocks and the arc-shaped blocks when the connecting rod rotates, and fine dust escaping from mesh holes of the first filter screen is cleaned, so that the fine dust is prevented from floating into the air to affect the working environment of workers and cause harm to the health of the workers.

The invention discloses a photoresist peeling solution composition with metal protection. The photoresist peeling solution composition consists of the following substances in percentage by weight: 0.1 to 10 percent of quaternary ammonium hydroxide, 5 to 30 percent of water-soluble alkanol amine, 55 to 94.4 percent of water-soluble organic polar solvent and 0.5 to 5 percent of sugar alcohol additive, wherein the water-soluble organic polar solvent is sulfone, sulfoxide, amide or lactam solvent. Compared with the conventional peeling solution composition, the photoresist peeling solution composition has excellent corrosion resistance to a metal-based coating covered by photoresist, particularly copper and aluminum at the same time of ensuring excellent photoresist peeling performance, and has excellent side corrosion protection effect on the copper. Meanwhile, the peeling solution composition has low volatility and low toxicity, is easily cleaned by using deionized water, and has good maneuverability. The composition is used for peeling and dissolving a photoresist mask in a semiconductor element manufacturing process.

The invention discloses a preparation method and application of a magnetic nanosilver graphene nano composite material, wherein the method comprises the following steps: (1) preparing graphene oxide by virtue of Hummers method; (2) loading ferroferric oxide on the graphene oxide by virtue of a solvothermal method to obtain a magnetic-graphene oxide composite material; and (3) loading nanosilver to the magnetic graphene oxide composite by virtue of an oxidation reduction method to obtain the magnetic-nanosilver-graphene nano composite material. The obtained magnetic-nanosilver-graphene nano composite material is good in bactericidal effect, can be magnetically separated, and is widely used in drinking water treatment and biological medicines.

The invention relates to a method for detecting the flow speed and the flow direction of groundwater by using the temperature as a tracer and a measuring device. The invention adopts a linear heat source, voltage is exerted on the linear heat source so that the linear heat source can generate the heat, a plurality of temperature probes are arranged on the same circumference around the heat source at equal intervals, the values and the time of the temperature received by each probe are different under the effect of the water flow, the temperature received by the probes at the downstream of the heat source is higher than that received by the probes at the upstream of the heat source, the values of the received temperature are used for judging the flow direction of the groundwater, the value of the flow speed of the groundwater is relevant with the time of temperature change received by the probes, and the value of the flow speed of the groundwater is calculated through the time duration from the electrification initiation to the measured temperature change.

The invention discloses a manufacturing method of a food odor visible sensor based on natural pigment. The manufacturing method comprises the steps of: respectively adding 50-95% alcohol solution or 3-7% of citric acid solvent to black rice, azalea, peach flower and purple sweet potato raw materials, soaking in a 60-80 DEG C water bath pan, after obvious fading, filtering and concentrating to obtain four pigment concentrated solutions with water contents of 60-80%, adjusting the pH values of the four pigment solutions to 4, 5, 6, 7, 8 and 10 with water, 0.5-5% citric acid solution and 3-10% sodium bicarbonate solution respectively, detecting with a color difference meter and analyzing the color difference of each pigment under the conditions of different pH values by an LAB color space method, selecting the pigment with obvious AB value changes under the weak acid, neutral and weak basic conditions as a gas sensitive material, finally fixing the gas sensitive material to a substrate flat material, and drying to obtain a visible sensor array. According to the invention, the natural pigment is used as the gas sensitive material, thereby being nontoxic and harmless as well as eliminating the harm to human health.

The invention discloses a manufacturing method and a coating of a glass fiber fire blanket. A water-soluble mixed material is adopted to coat glass fiber base cloth in a dipping coating mode, so that a layer of dense fireproof coating is formed on the surface of the glass fiber base cloth, the surface of the coated glass fiber fire blanket is soft and airtight, flame can be isolated from fire, and thus the purpose of fire extinguishment is achieved. Meanwhile people escaping from fire can be protected by the glass fiber fire blanket as human bodies are prevented from damage caused by flame. When being used as a fireproof curtain, the glass fiber fire blanket can effectively prevent diffusion of flame, and has the characteristic of wide use range.

The invention discloses a preparation method for thermoset high temperature resistant methyl phenyl silicone resin, which relates to the technical field of resin preparation and comprises the steps of utilizing toluene or dimethylbenzene or mixed solution of the toluene and dimethylbenzene to serve as a solvent, utilizing methyl trichlorosilane, dichlorodimethylsilane and methylphenyldichloros as monomer raw materials, dropping mixed solution of acetone and water into the raw materials under the condition of ice-water bath, ensuring that the dropping is finished within 3-5 hours, obtaining a prepolymer of the methyl phenyl silicone resin, performing condensation and curing on the obtained prepolymer above 150 DEG C after pressure of the prepolymer is reduced and the prepolyme is concentrated, the adopted condensation catalyst is caprylate or naphthenate, particularly is stannous octoate, zinc isoocatanoate, cobalt naphthenate and dibutyltin dilaurate. The resin is semi-transparent hard or elastic solid, can not be dissolved or fused, and can be resistant to high temperature above 200 DEG C, and can be used as silicon rubber or a plastic filler.

The invention discloses a composition containing exogenous mitochondrion as active ingredient, application thereof and a cell repairing method. The composition comprises exogenous mitochondria and at least one pharmaceutically acceptable carrier or carrier acceptable in beauty, and further comprises an adjuvant which is prepared from a group composed of serum, blood plasma, complement and combination of at least two of serum, blood plasma and complement. The exogenous mitochondria are obtained from cells by a centrifugal purification way. The composition is of high safety. The exogenous mitochondria are sent into cells completely as an effective dose of the composition is fed into an individuality, thereby achieving cell repairing and cell senescence controlling or preventing.

The invention belongs to the technical field of cat litter, and provides deodorant plant cat litter and a preparing method thereof. The deodorant plant cat litter is prepared from, by weight, 60-70 parts of soybean fibers, 25-35 parts of corn starch, 10-20 parts of sodium bicarbonate, 5-10 parts of zeolite, 4-6 parts of citric acid, 1-3 parts of sodium phenylpropionic acid, 3-7 parts of active carbon, 2-5 parts of ammonium persulfate, 2-4 parts of guar gum, 1-5 parts of a garlic extract, 1-3 parts of tea residues and 0.5-1 part of polyethyleneimine. By means of the deodorant plant cat litter and the preparing method thereof, the technical problem that cat litter in the prior art is poor in antibacterial deodorant effect is solved.

The invention relates to a poplar catkin and willow catkin automatic collection device, and belongs to the technical field of cleaning machinery. According to the device, the poplar catkin and willowcatkin automatic collection device is controlled through a driver's cab, the water in a water tank is pumped into a cleaning water pipeline by a high-pressure pump during the walking process of the device, the cleaning water is atomized and sprayed by an atomizing device, and mist is combined with poplar catkins and willow catkins floating in the air, so that the poplar catkins and the willow catkins are settled onto the ground, a cleaning brush is extended by a rocker arm arranged below a machine frame, the settled and the dropped poplar catkins and willow catkins are swept and gathered, thegathered poplar catkins and willow catkins are sucked into a collection box through an air suction pipeline by a ground brush suction mouth under the action of pressure, larger impurities are filtered, after the poplar catkins and the willow catkins enter into the collection box, the water is pumped into a spraying nozzle by the high-pressure pump, the water is sprayed into the collection box by the spraying nozzle to settle the poplar catkins and the willow catkins to a filtering plate at the bottom of the collection box, and the water is filtered by the filtering plate and the water flows back to the water tank. By means of the device, the poplar catkins and the willow catkins in the air can be effectively cleaned to prevent the floated poplar catkins and willow catkins from harming thehealth of pedestrians.

A chair lift including scissors pivotally mounted to a carriage and a lifting device pivotally positioned within the carriage. The lifting device closes the scissors and lifts the chair as desired.

The invention discloses a concrete mixing device with an automatic cement feeding function. The concrete mixing device comprises a mixing box, a mixing cavity with a leftward opening and a rightward opening is formed in the mixing box, a concrete mixing device body is arranged in the mixing cavity, the concrete mixing device body is used for stirring and mixing a concrete raw material, a turnoverconveying device is arranged at the opening in the right side of the mixing cavity, the turnover conveying device conveys cement bags into the mixing cavity through rotary motion and can convey the cement bags from which cement is thoroughly discharged to the outside for storage, a cement bag clamping device located on the left side of the concrete mixing device body is arranged in the mixing cavity, the cement bag clamping device is used for clamping and fixing the cement bags, and a vibration screening device located on the left lower side of the turnover conveying device is arranged in themixing cavity. According to the concrete mixing device with the automatic cement feeding function, automatic feeding of cement powder can be achieved, dust generated in the feeding process is greatlyreduced, and harm to the health of workers is avoided.