105results about How to "Appropriate concentration" patented technology

Provided is a field-effect transistor (FET) having small off-state current, which is used in a miniaturized semiconductor integrated circuit. The field-effect transistor includes a thin oxide semiconductor which is formed substantially perpendicular to an insulating surface and has a thickness of greater than or equal to 1 nm and less than or equal to 30 nm, a gate insulating film formed to cover the oxide semiconductor, and a strip-like gate which is formed to cover the gate insulating film and has a width of greater than or equal to 10 nm and less than or equal to 100 nm. In this structure, three surfaces of the thin oxide semiconductor are covered with the gate, so that electrons injected from a source or a drain can be effectively removed, and most of the space between the source and the drain can be a depletion region; thus, off-state current can be reduced.

A method of producing a stream of aqueous chlorine dioxide sterilizing fluid suitable for use in sterilizing medical and dental equipment or for wound irrigation or skin asepsis is described. Steps are: pumping fluid portions of a first reagent and a second reagent into the proximal end of an elongate reaction chamber (24) to form a reaction mixture, the reagents being selected to react together to form aqueous chlorine dioxide; providing a stream of water around or adjacent to the distal end of the reaction chamber (24); continuing to pump fluid portions of said reagents so as to cause the reagent mixture to travel through the reaction chamber and then into the stream of water to form a stream of aqueous chlorine dioxide sterilizing fluid; wherein the pumping rates and the internal dimensions of the elongate reaction chamber (24) are selected so that the reaction to form chlorine dioxide is substantially complete when the reagent mixture exits the reaction chamber (24); and continuing pumping fluid portions of said reagents until a desired quantity of said sterilizing fluid has been produced; wherein the pumping of each reagent is carried out by means of a diaphragm pump (90, 92) or a piston pump via a pressure-control valve (32, 34) so that each fluid portion is pumped at substantially constant pressure.

Provided is a field-effect transistor (FET) having small off-state current, which is used in a miniaturized semiconductor integrated circuit. The field-effect transistor includes a thin oxide semiconductor which is formed substantially perpendicular to an insulating surface and has a thickness of greater than or equal to 1 nm and less than or equal to 30 nm, a gate insulating film formed to cover the oxide semiconductor, and a strip-like gate which is formed to cover the gate insulating film and has a width of greater than or equal to 10 nm and less than or equal to 100 nm. In this structure, three surfaces of the thin oxide semiconductor are covered with the gate, so that electrons injected from a source or a drain can be effectively removed, and most of the space between the source and the drain can be a depletion region; thus, off-state current can be reduced.

An SOF measuring system that can continuously measure SOF and a soot measuring system that can continuously measure soot are connected with an exhaust gas line. The soot measuring system comprises a diluter that selectively dilutes either one of the exhaust gas and standard gas whose hydrocarbon concentration is known with diluent gas and extrudes it. A dilution ratio adjusting device can adjust a dilution ratio of the diluter. A soot detector continuously detects soot in the exhaust gas or the standard gas diluted by the diluter. The SOF measuring system can be connected with the diluter so that an exhaust gas analyzer can measure the hydrocarbon concentration in the standard gas diluted by the diluter.

A rubber composition comprises a diene rubber including not less than 25% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 25 to 65 parts by weight of a filler, the filler comprising not less than 50% by weight of silica. The silica has a DBP absorption number of 190 to 250 ml / 100 g, an N2SA of 194 to 225 m / g, and a CTAB of 185 to 215 m2 / g. A ratio of the N2SA to the CTAB is from 0.9 to 1.4. The modified conjugated diene polymer rubber has a terminal modified group including a functional group that interacts with the silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, and weight-average molecular weight is from 600,000 to 1,000,000.

A method for treating a subterranean sand formation adjacent to a bore hole forms a permeable solid barrier which restrains the movement of sand particles while maintaining the permeability of the formation. The method includes the step of forming a consolidation fluid containing an asphaltene and a hydrocarbon solvent such as naphtha or reformate with a concentration of between about 40-80 grams of asphaltene per 100 ml of solvent. The consolidation fluid is injected into the sand formation to saturate the sand in a zone around the bore hole for a distance of 1 to 2 feet. This is followed by injecting an oxygen-containing gas at a temperature of between about 100° C. to about 150° C. for a period of time of between about 24 to about 72 hours. In one embodiment of the invention, the oxygen concentration of the effluent gas is monitored and the injection of oxygen-containing gas is continued until he oxygen concentration of the effluent gas is equal to the oxygen concentration of the injected gas.

A safety method for rhinogobio ventralis long-distance transportation comprises the following steps of 1 controlling the temperature of a water body; 2 adding penicillin; 3 adding anesthetic to perform first-step anesthesia; 4 rapidly transferring rhinogobio ventralis to a transportation water body of a transportation device; 5 adding the anesthetic to perform second-step anesthesia; 6 adding oxygen into the transportation water body, namely ensuring 10-20hour long-distance transportation safety of the rhinogobio ventralis. A safety transportation device for rhinogobio ventralis long-distance transportation comprises a box body and a box cover which are connected through hinges, the box body consists of an inner vat, an ice storage vat and a heat preservation layer which are sequentially arrange from inside to outside, and an ice storage layer is formed between the inner vat and the ice storage vat. The box cover is provided with a groove which is in a shape of a Chinese character 'hui' and matched with the inner vat and the ice storage vat. The safety method and the transportation device for the rhinogobio ventralis long-distance transportation greatly improve the survival rate of the rhinogobio ventralis in the long-distance transportation and achieve the 10-20hour long-distance transportation safety.

Disclosed herein are removable devices adapted to allow localized and contained delivery of bioactive materials to a treatment site within a lumen such as a blood vessel such that the flow of fluid through the lumen is not blocked during bioactive material delivery.

Process for stainless steel pickling consisting in placing the material to be treated in a bath kept at a temperature ranging from 30 DEG C. to 70 DEG C. and containing: a) HCl b) Fe3+c) HF d) emulsifiers, wetting agents, polishing agents, acid attack inhibitors; the bath being fed continuously with: an air flow equal to at least 3 m3 / h per m3 bath min. and an oxidizer quantity adjusted to the bath redox potential to be kept at 250 mV min.

In a developing processing of a wafer having a resist film low in the dissolving rate in a developing solution formed thereon and subjected to an exposure treatment, a developing solution of a low concentration is supplied first onto a wafer and the wafer is left to stand for a prescribed time to permit a developing reaction to proceed, followed by further supplying a developing solution having a concentration higher than that of the developing solution supplied first onto the wafer, leaving the substrate to stand and subsequently rinsing the wafer, thereby improving the uniformity of the line width in the central portion and the peripheral portion of the wafer.

The invention discloses a long-distance transportation method of sepia esculenta adults, and belongs to the field of aquatic product transportation. The long-distance transportation method comprises the steps of two-step oxygenation and two-step anesthetization, wherein the transportation time is not more than 20h; the two-step oxygenation comprises the following steps: oxygenating water for transporting sepia esculenta in a water reservoir with a nano-airstone until saturation, and oxygenating a transportation bag after the sepia esculenta adults are placed into the transportation bag; and the two-step anesthetization comprises the following steps: adding 30-60mg / L of MS-222 anesthetic to a sepia esculenta culture pond without disturbing the sepia esculenta adults, and instantly weighing and packing for transportation when the sepia esculenta adults are anesthetized until the sepia esculenta adults stop swinging the lateral fins and lose the sense of balance; and adding 5-8mg / L of MS-222 anesthetic to the water for transportation, so that the sepia esculenta adults maintain a two-stage anesthetic transportation state, namely, the sepia esculenta adults slightly lose the touch sense, fold the wrists, swing the fins naturally, and changes the body color slightly. With adoption of the long-distance transportation method of the sepia esculenta adults, the survival rate of the sepia esculenta adults during long-distance transportation is significantly increased, and the technical problem about the long-distance transportation of the sepia esculenta adults is solved.

An image forming apparatus is provided which is capable of forming higher-quality images by detecting a toner concentration with higher accuracy to attain appropriate toner supply and image density. A value obtained by adding a correction value based on a temperature, humidity, a print coverage, or the like to a developer concentration adjustment value is set as a control voltage value Vc which is to be inputted to a toner concentration sensor, and an output value of the toner concentration sensor is detected for each of process speeds. A difference between the output value detected and a value at reference process speed is calculated and based on the difference, a correction value is further calculated. Such another calculation of the correction value with use of the output value detected allows for highly accurate correction.

The invention enables appropriately concentrating instruction strings or data pieces sporadically present in a plurality of regions over more than one compilation unit and adjusting the front-and-rear relationship of executed instruction strings without changing the program compilation unit such as a file, subroutine, or function and also without creating a link processing program for batch processing of the system as a whole. Different section names are given to the executed instruction strings and the unexecuted instruction strings and the referenced data and the unreferenced data of an object program respectively, so that, when an execution module is generated from the object program by linking, the sections having an executed section name and the sections having an unexecuted section name in a plurality of files may be aggregated respectively to divide the instructions into an execution portion and an unexecution portion.

The invention discloses preparation methods of a graphite-phase boron nitride nano wafer and a colloid thereof, and belongs to the technical field of material preparation. The graphite-phase boron nitride nano wafer is synthesized conventionally at a high temperature, and other surface modifiers are not needed, so that an ultra-high-concentration graphite-phase boron nitride nano wafer colloid can be prepared, and can be further diluted according to practical needs. By adopting the preparation methods disclosed by the invention, the problems that graphite-phase boron nitride cannot be prepared into a high-concentration stable water-phase colloid, the preparation condition is relatively harsh and the cost is relatively high at present are solved, and the preparation methods are simple, low-price and easily-available in raw materials, low in environmental pollution and beneficial for large-scale industrial production, and have significant economical and social benefits.

A rubber composition comprises a diene rubber including not less than 30% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 1 to 25 parts by weight of a tackifying resin, and from 25 to 80 parts by weight of a filler comprising not less than 50% by weight of silica. The modified conjugated diene polymer rubber has a terminal modified group comprising a functional group that interacts with silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, weight-average molecular weight is from 600,000 to 1,000,000, and glass transition temperature is from −22 to −32° C. A glass transition temperature of the tackifying resin is from 50 to 110° C. higher than the glass transition temperature of the modified conjugated diene polymer rubber.

An electrically-operated automatic choke system of a carburetor includes a choke valve connected to a choke valve closure spring that urges the choke valve in a direction to close it. A wax-type temperature sensitive actuating device is coupled to the carburetor to receive heat generated by an engine. A piston member of the device faces a pivoting member coupled to the choke valve and makes contact with, or moves away from, the pivoting member on a pivoting path to the closed side of the choke valve. While the engine has stopped running, closure of the choke valve by the choke valve closure spring is restricted according to the amount the piston member protrudes.

The present invention provides a simple, inexpensive apparatus for and method of capturing biological or other material from sample suspensions on a collection surface and for depositing captured material on a receiving surface, such as a microscope slide, for observation and analysis. Accordingly, cytological material may be deposited in near mono-layers for the detection of disease. In one embodiment of the present invention, density gradients of material are captured and deposited, thus providing a desired range of concentrations for examination. In another embodiment multiple depositions or multiple slides may be made from the same sample suspension. The method and apparatus to exploit this new method are both presented for various applications. The dimensions of material captured and deposited may be controlled and used in conjunction with microscope slides that confine material to specific regions of interest.

The invention relates to a production method for table vinegar. The production method adopting rice and bran as raw materials comprises the following steps: mixing, material wetting, inoculating, primary fermentation, secondary fermentation, vinegar pouring, blending, sterilizing, inspecting and filling. The production method has the beneficial effect the table vinegar produced by virtue of the method disclosed by the invention is dark brown in color and luster, strong in vinegar smell, soft in sour, slightly sweet, clear in state and proper in concentration. And moreover, the method is easy to grasp, convenient to realize, long in fermenting and sterilizing time, capable of sufficiently sterilizing and high in safety.

The invention discloses a preparation method of nanoparticles of an eight-arm PEG (polyethylene glycol)-oleanolic acid drug carrier. The preparation method comprises steps as follows: eight-arm PEG and oleanolic acid are subjected to an esterification reaction, and a conjugate of eight-arm PEG-oleanolic acid is obtained; 10-hydroxycamptothecine is wrapped with eight-arm PEG-oleanolic acid through self-assembly, and the nanoparticles are obtained. The nanoparticles have a double-layer structure, the outer layer is hydrophilic PEG, and the inner layer is hydrophobic oleanolic acid drug and 10-hydroxycamptothecine. The preparation method has the advantages that the drug loading capacity is greatly increased with the adoption of PEG; the water solubility and stability of oleanolic acid are increased, and the half-life period of oleanolic acid is prolonged; pH sensitive release of the drug in tumor cells can be realized; the toxic and side effects on normal tissue are reduced; the preparation process is simple and easy to operate.

Methods and kits for radiolabeling proteins, peptides and ligands with radiolytic isotopes, particularly yttrium-90, are disclosed, whereby sufficient purity, specific activity and binding affinity are achieved such that the radiolabeled protein may be directly administered to a patient without further column purification. Such kits and methods will be particularly useful in bringing radioimmunotherapy to the hospital and outpatient setting for the treatment of cancer.

The invention discloses a detachable medical air-compression atomizer for respiratory diseases. The detachable medical air-compression atomizer comprises an air-compression atomization tank, a liquidmedicine secondary recycling tank and detachable breathing equipment and is characterized in that the inner cavity of the air-compression atomization tank is divided into an atomization chamber, an air compressor placing chamber, an object placing chamber and an oxygen supply chamber through a plurality of partitions, an atomization core, a flow guide pipe, an atomization piece, a heating piece, an air pressure sensor, a humidity detector and an oxygen concentration detector are arranged in the atomization chamber, an air pressure regulating device is arranged in the liquid medicine secondaryrecycling tank and comprises an air cylinder, an air pressure regulating membrane, a retaining piece and a spring, the detachable breathing equipment comprises a breathing tube, a breathing mask and afixing rack, the inner wall of an air outlet cylinder is provided with a clamping device, and the clamping device comprises an arc-shaped clamping ring, fixing seats, threaded through holes, a bolt,a nut, fixing blocks and rectangular grooves. The detachable medical air-compression atomizer is simple in structure and high in practicality.

The invention relates to a coal seam gas extraction method, in particular to a coal seam gas extraction method based on the controllable impact wave technology. In order to solve the technical problems that in existing coal seam gas extraction, the cost is high, the anti-reflection effect is poor, and safety control is lacked, the invention provides the coal seam gas extraction method based on thecontrollable impact wave technology. The method comprises the following steps of 1, exploiting a roadway; 2, drilling anti-reflection drill holes, wherein 2.1, a plurality of anti-reflection drill holes are drilled in the coal mining side perpendicular to a return air cross heading and / or track cross heading; 3, installing controllable impact wave generating equipment; 4, performing impact wave anti-reflection operation. On the basis of the controllable impact wave technology, coal seam gas extraction is performed, the anti-reflection effect is good, the number of drill holes in a fully mechanized coal mining face is greatly reduced, the extraction time is shortened, the cost is effectively lowered, the extraction efficiency is improved, safety control is good, and the wide application prospect is achieved.

The invention provides a fresh flower preservative. The fresh flower preservative comprises the following components in parts by mass: 25 to 35 parts of cane sugar, 15 to 25 parts of chitosan, 8 to 12 parts of propolis supercritical CO2 extracts, 4 to 6 parts of natamycin, 1.6 to 2.0 parts of citric acid, 0.8 to 1.2 parts of salicylic acid, 0.6 to 0.8 part of boric acid, 0.6 to 1.0 part of vitamin C, 0.5 to 0.7 part of vitamin E, 60 to 100 parts of traditional Chinese herbal medicine ethanol extracting liquid and the balance of ultrapure water, wherein the total parts are 1000 parts. The fresh flower preservative provided by the invention has a reasonable formula, safe and environmentally-friendly components, a good nutrition effect and an excellent broad-spectrum antibacterial effect, can effectively inhibit damage to fresh flowers by various microorganisms, greatly prolongs the freshness-retaining period of the fresh flowers, has significant color-protecting and color-improving effects, is simple in preparation method, and is simple and convenient to operate during use.

The present invention discloses a compound that is used for protecting and providing nutrition for fruit trees. The compound is aqueous solution of KNO3, Ca(NO3)2, MgSO4.7H2O, MnCl2.4H2O, H3B3O3, CuSO4.5H2O, Zn(NO3)2.6H2O, Fe(NO3)3.9H2O, KH2PO4, Na2HPO4.12H2O, NH4Cl, and (NH4)6Mo7O24.4H2O. The compound provides thirteen mineral elements that are required for the normal growth and development of the fruit trees and has excellent effects on the growth and development of the fruit trees, the flowering rate, the productivity of fruits and the quality of the fruits. And the compound can completely prevent the influence of acid rain and soil acidification on the growth and development of the fruit trees.

A method and apparatus for developing a resist on a substrate in which a sacrificial surfactant-containing liquid is first applied to a resist as a pretreatment to reduce developing process defects and to improve the development process time and the uniformity of the resist. The pretreatment is followed by supplying a developing solution to the resist and thereafter developing the resist.

A two-stroke cycle engine using a preceding air-layer for scavenging and having a scavenger passage connected to a branching scavenger passage opened to a scavenging port and a connecting passage linking the air and fuel passages so that negative pressure in the air passage forces the fuel-air mixture in the fuel passage into the air passage. The engine also has a removable guide with a surface forming a curved smooth channel which is attachable to the scavenger passage in the crankcase from the mounting surface, and forms a portion of the scavenger passage with the curved channel. The blow-up angle of the scavenger passage varies along the circumference of the cylinder, and the crankcase is configured such that the front and rear portions are separated by a block, and a scavenger passage is provided inside both said front and rear portions of the crankcase and cylinder. Two parallel air passages extend from the air cleaner, the first connected to the air passage, and the second connected to the air inlet of the carburetor to provide air for the fuel passage, and a choke valve on the air cleaner is provided to open and close the first and second air passages.

The invention relates to a preparation method of fragrant solomonseal rhizome vinegar. The method takes fragrant solomonseal rhizome, fragrant solomonseal rhizome vinasse, rice and bran as the raw material, and comprises the steps of mixing, material moistening, inoculation, primary fermentation, secondary fermentation, sprinkling of vinegar, blending, sterilization, inspection and filling. The fragrant solomonseal rhizome vinegar produced through the steps of the invention has dark brown color, strong flavor, soft sourness, slight sweet taste, clear liquid state and appropriate concentration. Wherein, the adoption of fragrant solomonseal rhizome vinasse, a leftover of fragrant solomonseal rhizome wine, as the raw material makes fully use of disused resources. The fragrant solomonseal rhizome vinegar prepared in the invention takes vinegar as the carrier of fragrant solomonseal rhizome nutrients, and is characterized by wide edible scope, stable consumption amount and simple production technology, thus serving as a new member of the table vinegar family in our country. And the method of the invention is easy to master and convenient for realization.

The invention aims to provide a processing method of organic water discharge, which can conduct stable operation and maintain high sludge concentration even in terms of water discharge of low molecular and organic compounds in a semiconductor-producing factory. The processing method adopts an aeration tank (1) with organic discharging water flowing in and a membrane separation tank (3) which enables sludge in the aeration tank (1) to circulate while conducting solid-liquid separation through a separation membrane (4). According to the organic load amount of raw water, the circulating amount of sludge to the membrane separation tank (3) is set to be 1.5-10 times of the raw water amount.

The invention relates to the technical field of heat treatment, and discloses a gear carburization process and application thereof. The gear carburization process comprises the following steps of pre-carburization, re-carburization and cooling and heat prevention. The pre-carburization and the re-carburization comprise carburization in different carbon potentials from high to low, and the circulation is carried out for more than one time. The carburization process has the advantages that the permeating rate is fast, the standing time of gear materials at high temperature is shortened, and themicrostructure is refined; and the surface carbon concentration is proper, the permeability layer gradient is gentle, penetrating agents are saved, and energy resources are saved. The short time heatprevention of gears in a perlitic transformation area can enable the gears to effectively diffuse and separate out alloy carbides in a hardened layer area, the microstructure coarsening is restrained,and gears with better microstructure performance are obtained; and the subsequent quenching times can be reduced, and the process is simplified. Conditions are created for reducing the manufacturingcost of the type of gears due to the fact that the process improves the heat treatment efficiency of heavy-load gears, and improves the product microstructure performance.