45results about How to "Lower concentration levels" patented technology

The present invention relates to a transdermal drug delivery system comprising a dermal drug delivery patch and a heating element compartment securable to the dermal drug delivery patch. A freely transferrable heating element is securable within the heating element compartment. A drug can be administered transdermally using the present invention by placing the dermal drug delivery patch upon a patient's skin at an administration site. A heating element compartment is secured to the dermal drug delivery patch and a freely transferrable heating element is placed within the heating element compartment. The heating element provides controlled heat to the dermal drug patch and the patient's skin aid thereby improves dermal drug administration.

Systems and methods for preserving a perishable material sensitive to oxygen and bacterial spoilage are taught. The systems in some embodiments comprise a pressurized source of a first gas other than oxygen and a container for the perishable material, the container having a sealable lid, a passage including a one-way valve through the lid connected by a gas conduit to the pressurized source, and a mechanism for venting the container. In various embodiments oxygen exposure to the perishable material in the container is diluted by at least one cycle of pressurizing the container with the first gas other than oxygen, and then venting the container. In some embodiments oxygen dilution is by vacuum.

An LDMOS transistor includes a gate insulation film formed on a semiconductor substrate, a gate electrode formed on the gate insulation film, a drain well of a first conductivity type formed in the substrate so as to include a gate region covered with the gate electrode, a channel well of a second conductivity type formed in the drain well in a partially overlapped relationship with the gate region, a source region of the first conductivity type formed in the channel well in an overlapping manner or adjacent with a side surface of the gate electrode, a medium-concentration drain region of the first conductivity type having an intermediate concentration level and formed in the drain well at a side opposing to the source region in a manner partially overlapping with the gate region, the medium-concentration drain region being formed with a separation from the channel well, a drain region of the first conductivity type formed in the medium-concentration drain region with a separation from the gate region, a low concentration well of the second conductivity type formed inside the drain well so as to include at least a part between said channel well and the medium-concentration drain region.

The invention relates to a firing system gradient combustion self-denitration technological method, and belongs to the technical field of cement industry flue gas denitration. According to the firingsystem gradient combustion self-denitration technological method, a gradient combustion environment with an extreme oxygen deficient area-oxygen deficient combustion area-oxygen enrichment burnout area is formed in a decomposing furnace; the gradient combustion environment is realized through classified feeding of decomposing furnace inlet fuel, tertiary air and decomposing furnace inlet materials; a furnace inlet tertiary air hose is divided into an upper branched pipe and a lower branched pipe, the tertiary air lower branched pipe is fed in from the lower portion of a decomposing furnace cylinder, and the upper branched pipe is fed in from the middle of the decomposing furnace cylinder; the decomposing furnace inlet fuel is divided into two layers and is further fed into the furnace, thelower layer of the fuel is fed in from a decomposing furnace cone, and the upper layer of the fuel is fed in from the decomposing furnace cylinder; the extreme oxygen deficient area refers to the decomposing furnace area located below the tertiary air lower branched pipe; the oxygen deficient combustion area refers to the area located between the tertiary air upper branched pipe and the tertiaryair lower branched pipe; and the oxygen enrichment burnout area refers to the decomposing furnace area located above the tertiary air upper branched pipe. The firing system gradient combustion self-denitration technological method has the advantages that the process is optimized, reliability is good and the flow path is reasonable.

The invention discloses a solidification and stabilization method for a hazardous waste containing toxic organic compounds, which belongs to the hazardous waste treatment technical field of environment protection. According to a dry weight ratio, 30 to 60 percent of the hazardous waste containing toxic organic compounds, 0.5 to 10 percent of an additive, 30 to 60 percent of inorganic cementing agent and curing agent are added into an agitator and are stirred by adding water, meanwhile, a gas internal circulation device is started, the gas in the agitator is adsorbed and purified by a gas adsorbing and purifying device, and then part of the gas is fed back into the agitator; after being evenly mixed and stirred materials are discharged, solidified and fed into a maintenance house, and the solidification and stabilization of the hazardous waste containing toxic organic compounds is finished. The additive comprises an adsorbent with adsorbing effect and a structural modifier which can improve the structural performance of a product, such as activated carbon, water glass, calcium chloride, etc. The inorganic cementing agent and curing agent refers to hydraulicity cementing material. The solidification rate of the invention can reach more than 90 percent; and gas circulation can reduce polluted gas discharging, thus being capable of effectively reducing the occurrence of secondary pollution.

The invention discloses a control method of fresh air equipment, the fresh air equipment and a readable storage medium. The method comprises the steps that the user number and the pollutant concentration value of the area where the fresh air equipment is located are confirmed; if the user number is smaller than or equal to the preset number, the first fresh air quantity is obtained according to the preset per capita fresh air demand quantity, the user number and the pollutant concentration value; and the fresh air equipment is controlled to run according to the first fresh air quantity, so that the fresh air quantity of the area where the fresh air equipment is located is adjusted. The accuracy of adjusting the fresh air quantity of the fresh air equipment is improved, and the air qualityof area where the fresh air equipment is located is guaranteed.

The invention relates to the field of micro-organisms, and particularly relates to a multifunctional Streptomyces amritsarensis and application thereof. Streptomyces amritsarensis HG-16, with a preservation number of CCTCC-M-2018237. The streptomycin cannot only kill the microcystin, but also antagonize the fusarium graminearum. The fermentation liquid and the active secretion can effectively inhibit the production of the microcystin in a short time, can inhibit the expression of the synthetic gene of 90% microcystin within 9 hours, and can completely inhibit the expression of the microcystingene after 36 hours. Three days after the addition of the Streptomyces, the inhibition rate of the algae toxin is 93%; while for the algicidal bacteria which has been reported to have the effect of inhibiting the production of the microcystin needs more than 3 days to inhibit the synthesis of the microcystin.

A method of reducing the concentration of a chemical or drug substance in the blood plasma that targets the same or similar receptors as the normal neurotransmitters in the central or peripheral nervous system includes titrating an initial peak concentration of the chemical or drug substance in the blood for a predefined dosing period, titrating a lowest concentration level of the chemical or drug substance in the blood immediately before the end of the dosing period, and providing a plurality of subsequent dosing periods where each subsequent dosing period requires administration of a dosing amount of the chemical or drug substance and titrating of the peak concentration and the lowest concentration level to ensure that the lowest concentration level of the chemical or drug substance in the blood plasma for the subsequent dosing period is decreased by not more than five percent of the lowest concentration level of the previous dosing period and where the plurality of dosing periods added together extends the method for seventy days or more.

A mineral acid detection tape includes a cellulose paper substrate saturated with a formula solution and provides an extended life detection tape of at least a three-month period of time when place in service.

The invention discloses a sheet irrigator for flood diversion and drip irrigation. The irrigator comprises an upper shell body and a lower shell body, wherein the lower shell body is matched with the upper shell body, the upper shell body is a closed shell body, a plurality of water inlet grids are arranged at the top of the upper shell body, at least a row of water outlet grids are arranged at the bottom of the upper shell body, an inserting plate is arranged on the bottom of the upper shell body, which is close to the water outlet grids, and extends towards a direction away from the upper shell body; the lower shell body is provided with an opening at the top, a groove body is arranged in the lower shell body at a position corresponding to the inserting plate, and is matched with the inserting plate, a space is arranged between the groove body and one end of the lower shell body; a water inlet flow passage is arranged in the lower shell body at a position corresponding to the water outlet grids, and extends towards the other side of the groove body through the space; a water outlet of the water inlet flow passage is communicated with at least one silt presedimentation tank, the water outlet of the silt presedimentation tank is communicated with an energy dissipation flow passage; and a water outlet hole is arranged on the bottom of the lower shell body, which is close to thewater outlet of the energy dissipation flow passage. The sheet irrigator can be used for effectively solving the problem of synchronous improvement on hydraulic performance and anti-clogging performance of the irrigator, and is applicable to a flood diversion and drip irrigation system with self-adaptive regulation and control capacity.

The invention provides equipment for adding agents through a carrier and a method for adding the agents. The equipment comprises an immersible pump, an agent mixing chamber, a carrier absorption agent chamber, a carrier compression belt, a carrier compression roller, a water output pump, a liquidometer, a driving device and a control device. The immersible pump pumps water in water bodies to be treated into the agent mixing chamber, and the agents and the water are mixed in the agent mixing chamber. Then, the agents and the water overflow to enter the carrier absorption agent chamber through an overflowing channel. After the carrier is added, the carrier is compressed through the carrier compression roller and the carrier compression belt, air is removed, it is guaranteed that the carrier absorbs solutions to the maximum extent, the carrier absorbing the solutions is conveyed into a target water body through the water output pump, and the agents are slowly released. The equipment is provided with a carrier absorption agent part, the agents are slowly released to the water body through the carrier released to the water body as time grows, and the effect is better. The equipment comprises the control device, the whole equipment can achieve continuous work, and efficiency is higher.

The invention discloses an OLED leucoderma therapeutic instrument. The OLED leucoderma therapeutic instrument comprises a leucoderma therapeutic end and a power source driving device, wherein the leucoderma therapeutic end comprises an OLED light source used for emitting a red light source. The OLED leucoderma therapeutic instrument is advantaged in that an OLED is taken as a therapeutic light source, red light emitted by a red light emission unit is employed, repair cream is further cooperatively utilized to effectively stimulate melanin cells to secrete melanin, a concentration level of hydrogen peroxide of leucoderma skin is reduced, and thereby leucoderma therapeutic operation is carried out.

A hot oxygen stream containing radicals is fed into an offgas stream from a steelmaking vessel to convert carbon monoxide in the offgas to carbon dioxide.

An insect bait that can be carried by the insect, that includes a toxicant capable of killing insects in a nest, and that includes attractants, having at least one non-toxic layer that delays contact with the toxicant, wherein the size, shape and attractants attract the insect to take the whole of the bait to a nest situation where further manipulation of the bait by the insect will release the toxicant.

The invention relates to an auxiliary material used for injection or oral administration. Basic component of the surface active agent is polyoxyethylene sorbitan (mono)oleate, wherein total content of carbonyls contained in aldehyde compounds and one compounds is not more than 20meq / kg, or / and total content of epoxy groups is not more than 10meq / kg, or / and total content of alkane compounds and olefin compounds is not more than 10meq / kg, and total content of peroxyl groups contained in peroxides is not more than 20meq / kg. The auxiliary material has relatively high safety and is used for improving safety and / or stability of a preparation used for injection or oral administration. In addition, the invention also relates to a preparation method and quality standard of the auxiliary material.

A hot oxygen stream containing radicals is fed into an offgas stream from a steelmaking vessel to convert carbon monoxide in the offgas to carbon dioxide.

The invention provides a pulverized coal combustion method with the function of capturing CO2, comprising the steps: CuFe2O4 is decomposed to generate O2 and oxygen vacancy ferrite CuFe2O4-delta (delta is no less than 0 but no more than 2); oxidation reaction is generated between the pulverized coal and the oxygen vacancy ferrite so as to generate CO2, H2O and non-condensed gas, wherein the oxidation reaction is generated between the non-condensed gas and O2 which is obtained by decomposition so as to generate CO2 and steam. The device for achieving the method comprises a loop which is formedby the communication of a fast fluidized bed, a first cyclone separator, a two-stage type bubbling fluidized bed, a U-type flow seal valve and the fast fluidized bed in sequence; and the bubbling fluidized bed is also communicated with a second cyclone separator which is communicated with an ash catching device. The pulverized coal combustion method with the function of capturing CO2 effectively combines a pure oxygen combustion technology of coal with a chemical chain combustion technology, not only lowers the preparation cost of the pure CO2, but also fully realizes the separation of the high-concentration CO2 after the coal reaction.

The invention relates to an in-situ remediation method for underground water and soil of a polluted site. The method comprises the following steps: injecting first composite slurry into a water layer or a soil layer located at the pollution plume boundary, and enabling the pollution plume boundary to be covered with the first composite slurry; and injecting second composite slurry into a water-containing layer or a soil layer of the pollution source area, and enabling the second composite slurry and the first composite slurry to cover the polluted site, wherein the first composite slurry and the second composite slurry both contain montmorillonite, zero-valent iron and a trace electron donor composition, and the content of the montmorillonite in the first composite slurry is greater than that of the second composite slurry. According to the method, a flexible in-situ barrier reaction zone is formed at the boundary of the pollution plume boundary , the pollution area is blocked while remediation is carried out, and secondary pollution caused by further diffusion of the pollution plume is prevented; meanwhile, the second composite slurry is injected into the pollution source area, the underground environment is improved, salt pollution in soil and underground water is rapidly eliminated, and efficient remediation in the original pollution source area is achieved.

A carbon monoxide treatment apparatus according to an exemplary embodiment of the present invention includes: a reactor body; a partitioning plate located inside the reactor body for partitioning an internal space of the reactor body into a first section and a second section; a channel member in the first section for transporting an introduced gas including a reformed gas and an oxidant gas to the second section; and a reaction unit around the channel member of the first section for reducing a concentration level of carbon monoxide in the introduced gas moving through the first section by utilizing a preferential oxidation reaction of the carbon monoxide and the oxidant gas of the introduced gas, wherein moisture of the introduced gas that has been partially condensed when passing through the channel member is stored in the second section.

A carbon monoxide treatment apparatus according to an exemplary embodiment of the present invention includes: a reactor body; a partitioning plate located inside the reactor body for partitioning an internal space of the reactor body into a first section and a second section; a channel member in the first section for transporting an introduced gas including a reformed gas and an oxidant gas to the second section; and a reaction unit around the channel member of the first section for reducing a concentration level of carbon monoxide in the introduced gas moving through the first section by utilizing a preferential oxidation reaction of the carbon monoxide and the oxidant gas of the introduced gas, wherein moisture of the introduced gas that has been partially condensed when passing through the channel member is stored in the second section.

The invention relates to the technical field of water treatment, particularly to a method for removing chlorate in electrolytic circulating light salt brine. The method comprises the following step: adding acetaldehyde into electrolytic circulating light salt brine without adding sulfite. The process provided by the invention has the advantages of high decomposition efficiency, low consumption andsimple process.

The invention discloses an OLED leucoderma therapeutic instrument. The OLED leucoderma therapeutic instrument comprises a leucoderma therapeutic end and a power source driving device, wherein the leucoderma therapeutic end comprises an OLED light source used for emitting a red light source. The OLED leucoderma therapeutic instrument is advantaged in that an OLED is taken as a therapeutic light source, red light emitted by a red light emission unit is employed, repair cream is further cooperatively utilized to effectively stimulate melanin cells to secrete melanin, a concentration level of hydrogen peroxide of leucoderma skin is reduced, and thereby leucoderma therapeutic operation is carried out.

The invention provides a horizontal anaerobic digestion reaction device, and belongs to the field of solid waste treatment. The system device is used for artificially creating nutrition and condition essential to anaerobes, so that anaerobes having high concentration are accumulated in a reactor, and complete an organic anaerobic metabolizing process through the living activities of the anaerobes. The device comprises a reactor main body having a horizontal structure, wherein the reactor main body is provided with an inner tank and an outer jacket; the inner tank has a feed opening and a discharge opening; screw propellers with forward and reverse augers are arranged at the lower part of the reactor main body; a stirrer is arranged at the upper part of the reactor main body and is provided with a concentric transmission shaft and multiple groups of hollow blades connected to the transmission shaft; rake teeth are arranged on two sides of each blade, and rake teeth of adjacent blades are staggered; a baffle and a deflector are arranged in each blade; and the inner cavity and the outer cavity of the concentric transmission shaft are respectively connected with water inlet and outlet pipes of each blade.

The invention discloses a sheet irrigator for flood diversion and drip irrigation. The irrigator comprises an upper shell body and a lower shell body, wherein the lower shell body is matched with the upper shell body, the upper shell body is a closed shell body, a plurality of water inlet grids are arranged at the top of the upper shell body, at least a row of water outlet grids are arranged at the bottom of the upper shell body, an inserting plate is arranged on the bottom of the upper shell body, which is close to the water outlet grids, and extends towards a direction away from the upper shell body; the lower shell body is provided with an opening at the top, a groove body is arranged in the lower shell body at a position corresponding to the inserting plate, and is matched with the inserting plate, a space is arranged between the groove body and one end of the lower shell body; a water inlet flow passage is arranged in the lower shell body at a position corresponding to the water outlet grids, and extends towards the other side of the groove body through the space; a water outlet of the water inlet flow passage is communicated with at least one silt presedimentation tank, the water outlet of the silt presedimentation tank is communicated with an energy dissipation flow passage; and a water outlet hole is arranged on the bottom of the lower shell body, which is close to thewater outlet of the energy dissipation flow passage. The sheet irrigator can be used for effectively solving the problem of synchronous improvement on hydraulic performance and anti-clogging performance of the irrigator, and is applicable to a flood diversion and drip irrigation system with self-adaptive regulation and control capacity.

The invention discloses a control method of fresh air equipment, fresh air equipment and a readable storage medium. The method includes the steps of: determining the number of users and the concentration value of pollutants in the area where the fresh air equipment is located; if the number of users is less than or equal to the preset number , then the first fresh air volume is obtained according to the preset per capita fresh air demand, the number of users, and the pollutant concentration value; the operation of the fresh air equipment is controlled according to the first fresh air volume, so as to adjust the fresh air in the area where the fresh air equipment is located. Air volume. The invention improves the accuracy rate of adjusting the fresh air volume of the fresh air equipment, and ensures the air quality in the area where the fresh air equipment is located.