519 results about "Oxygen deficiency" patented technology

An object of the present invention is to manufacture a semiconductor device where fluctuation in electrical characteristics is small and reliability is high in a transistor in which an oxide semiconductor is used. An insulating layer from which oxygen is released by heating is used as a base insulating layer of an oxide semiconductor layer which forms a channel. Oxygen is released from the base insulating layer, whereby oxygen deficiency in the oxide semiconductor layer and an interface state between the base insulating layer and the oxide semiconductor layer can be reduced. Thus, a semiconductor device where fluctuation in electrical characteristics is small and reliability is high can be manufactured.

The invention discloses a complex foam extinguishing agent for a coal mine and belongs to the technical field of fire prevention and extinguishing. The extinguishing agent is prepared from the following raw materials: main materials are 40 to 60 percent aqueous solution of ammonium bicarbonate or sodium bicarbonate and concentrated sulfuric acid in a solute mass ratio of 2:1-3:1, and auxiliary materials are a stabilizer and a foamer, wherein the auxiliary materials are 0.1 to 2 percent of the total weight of the main materials. Through a test, the extinguishing agent has the foaming coefficient of 20-200 and the foam stabilizing time of more than or equal to 2.5 hours. According to the foam extinguishing agent, the foam of inert gas carbon dioxide is applied to fire prevention and extinguishing of the coal mine, and the foam is diffused in a fire area and fills a fire space, so that the oxygen concentration in the fire area is rapidly reduced, fire is extinguished due to oxygen deficiency in the fire area, temperature is reduced and a fire extinguishing effect is good. The technology also can be applied to coal bed transformation, CO2 foam is easily absorbed by coal to displace partial methane, the recovery ratio of coal seam gas is improved, and CO2 is acid to reduce the generation of secondary precipitates, so that a gas drainage effect is improved. The complex foam extinguishing agent is simple and feasible, and low in cost.

An insulating layer which releases a large amount of oxygen is used as an insulating layer in contact with a channel region of an oxide semiconductor layer, and an insulating layer which releases a small amount of oxygen is used as an insulating layer in contact with a source region and a drain region of the oxide semiconductor layer. By releasing oxygen from the insulating layer which releases a large amount of oxygen, oxygen deficiency in the channel region and an interface state density between the insulating layer and the channel region can be reduced, so that a highly reliable semiconductor device having small variation in electrical characteristics can be manufactured. The source region and the drain region are provided in contact with the insulating layer which releases a small amount of oxygen, thereby suppressing the increase of the resistance of the source region and the drain region.

An object of an embodiment of the present invention is to manufacture a highly-reliable semiconductor device comprising a transistor including an oxide semiconductor, in which change of electrical characteristics is small. In the transistor including an oxide semiconductor, oxygen-excess silicon oxide (SiOX (X>2)) is used for a base insulating layer of a top-gate structure or for a protective insulating layer of a bottom-gate structure. By using the oxygen-excess silicon oxide, oxygen is discharged from the insulating layer, and oxygen deficiency of an oxide semiconductor layer and the interface state density between the oxide semiconductor layer and the base insulating layer or the protective insulating layer can be reduced, so that the highly-reliable semiconductor device in which change of electrical characteristics is small can be manufactured.

The invention discloses a juicer with the air bleeding function and aims at providing the juicer which can greatly reduce the oxygen content in a juicing cavity, prevents the browning from occurring in the juicing process and maintains the nutritional components and mouth feel of fruit juice or vegetable juice. The juicer is characterized in that a charging barrel is arranged on the juicing cavity; a juicing mechanism is arranged in the juicing cavity; an output shaft of a juicing motor is connected with a driving shaft of the juicing mechanism; the juicer also comprises an air bleeding device; a sealing device is arranged on the charging barrel; an interconnected cavity is formed by the charging cavity, the juicing cavity, a juice receiving part and a residue part; the mutual connecting parts of the cavity body are connected in a sealing manner; the connecting part between the cavity and any one part is sealed; the cavity is airtight in the juicing process; an air bleeding port of the air bleeding device is communicated with the cavity; and an exhaust port of the air bleeding device is arranged outside the cavity. The juicer can juice foodstuff in the juicer under an oxygen deficiency condition, thereby the browning is effectively controlled, the browning of foodstuff liquid is greatly reduced in the juicing process, the nutritive loss is reduced, and the good mouth feel and appearance color are maintained.

It is an object to provide a highly reliable semiconductor device, a semiconductor device with low power consumption, a semiconductor device with high productivity, and a method for manufacturing such a semiconductor device. Impurities left remaining in an oxide semiconductor layer are removed without generating oxygen deficiency, and the oxide semiconductor layer is purified to have an extremely high purity. Specifically, after oxygen is added to the oxide semiconductor layer, heat treatment is performed on the oxide semiconductor layer to remove the impurities. In order to add oxygen, it is preferable to use a method in which oxygen having high energy is added by an ion implantation method, an ion doping method, or the like.

The present invention provides an ultraviolet-transparent conductive film comprising a Ga2O3 crystal. The film has a transparency in the wavelength range of 240 to 800 nm, or 240 to 400 nm, and an electric conductivity induced by an oxygen deficiency or dopant in the Ga2O3 crystal. The dopant includes at least one element selected from the group consisting of the Sn, Ge, Si, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W. The ultraviolet-transparent conductive film is formed through either one of a pulsed-laser deposition method, sputtering method, CVD method and MBE method, under the conditions with a substrate temperature of 600 to 1500° C. and an oxygen partial pressure of 0 to 1 Pa.

The invention relates to carbon black having a C-14 content greater than 0.05 Bq / g and a ratio ΔD50 / Dmode of the aggregate size distribution of less than 0.7. The carbon black is produced by thermal oxidative pyrolysis or thermal cleavage of the carbon black raw material in that the carbon black raw material contains renewable carbon black raw materials and an oxygen deficiency is present in the pyrolysis / cleavage reaction. The carbon blacks can be used in rubber and rubber mixtures, plastic, printing inks, inks, inkjet inks, toners, lacquers, paints, paper, adhesives, batteries, pastes, bitumens, concrete, and other building materials and as reducing agents in metallurgy.

Oxygen is released from the insulating layer, whereby oxygen deficiency in the oxide semiconductor layer and an interface state between the insulating layer and the oxide semiconductor layer can be reduced. Accordingly, a semiconductor device where reliability is high and variation in electric characteristics is small can be manufactured.

A nonvolatile memory element which can be initialized at low voltage includes a variable resistance layer (116) located between a lower electrode (105) and an upper electrode (107) and having a resistance value that reversibly changes based on electrical signals applied between these electrodes. The variable resistance layer (116) includes at least two layers: a first variable resistance layer (1161) including a first transition metal oxide (116b); and a second variable resistance layer (1162) including a second transition metal oxide (116a) and a third transition metal oxide (116c). The second transition metal oxide (116a) has an oxygen deficiency higher than either oxygen deficiency of the first transition metal oxide (116b) or the third transition metal oxide (116c), and the second transition metal oxide (116a) and the third transition metal oxide (116c) are in contact with the first variable resistance layer (1161).

To provide a semiconductor device in which desorption of oxygen from side surfaces of an oxide semiconductor layer is prevented, defects (oxygen deficiency) in the oxide semiconductor layer are sufficiently reduced, and leakage current between a source and a drain is suppressed. The semiconductor device is manufactured through the following steps: after first heat treatment is performed on an oxide semiconductor film, the oxide semiconductor film is processed to form an oxide semiconductor layer; immediately after that, side walls of the oxide semiconductor layer are covered with an insulating oxide; and in second heat treatment, the side surfaces of the oxide semiconductor layer are prevented from being exposed to a vacuum and defects (oxygen deficiency) in the oxide semiconductor layer are reduced. Side walls of the oxide semiconductor layer are covered with sidewall insulating layers. The semiconductor device has a TGBC structure.

The present invention discloses a NOx sensor consisting at least of a pair of the first and the second electrodes formed in touch with an oxygen conductive solid electrolyte; wherein at least the first elelctrode is composed of oxides of an element selected from 7a Group or 8 Group, especially from Mn, Fe, Co, and Ni or a substance containing said oxides or of hybrid oxides (including the one of oxygen deficiency expressed by ABO3, AB2 O4, A2 BO4 and ACBO4 including 7a Group and 8 Group. A NOx sensor acording to the present invention has a good sensitivity without being affected by the concentration of CO2 and detects NOx concentration in an exhaust gas at a temperature above 600 DEG C.

An IrOx film is formed as a first conductive oxide film on a PLZT film by a reactive sputtering method. Thereafter, thermal treatment by, for example, RTA is performed in an atmosphere containing oxygen having partial pressure of less than 5% of atmospheric pressure. As a result, crystallization of the PLZT film is promoted, and annealing treatment is performed for the IrOx film. Thereafter, furnace annealing at 600° C. or higher, for example, 650° C. is performed for 60 minutes in, for example, an O2 atmosphere as recovering annealing to recover oxygen deficiency in the PLZT film. Subsequently, an IrO2 film is formed as a second conductive oxide film on the IrOx film by a sputtering method.

The invention discloses a method for restoring polycyclic aromatic (PAHs) polluted soil by charcoal which is prepared by livestock and poultry manure and belongs to the field of polluted soil restoration. The method comprises the following steps: preparing charcoal by using livestock and poultry manure output by a livestock and poultry plant by a thermal cracking method under the conditions of oxygen deficiency and high temperature of 350-600 DEG C; crushing the prepared charcoal into grains of 2-8mm; mixing the charcoal and polluted soil sufficiently in proportion of 0.5-10 percent; maintaining the water content of soil from 10 to 17 percent; and processing the mixture for 30-300 days to remove various PAHs in the soil. The method for restoring polycyclic aromatic (PAHs) polluted soil by charcoal not only can be used for processing PAHs polluted soil in different places, but also can be used for restoring the land on site.

A highly reliable transistor which includes an oxide semiconductor and has high field-effect mobility and in which a variation in threshold voltage is small is provided. By using the transistor, a high-performance semiconductor device, which has been difficult to realize, is provided. The transistor includes an oxide semiconductor film which contains two or more kinds, preferably three or more kinds of elements selected from indium, tin, zinc, and aluminum. The oxide semiconductor film is formed in a state where a substrate is heated. Further, oxygen is supplied to the oxide semiconductor film with an adjacent insulating film and / or by ion implantation in a manufacturing process of the transistor, so that oxygen deficiency which generates a carrier is reduced as much as possible. In addition, the oxide semiconductor film is highly purified in the manufacturing process of the transistor, so that the concentration of hydrogen is made extremely low.

The thermal processing step of thermally processing a variable resistor film in an oxidizing atmosphere is carried out after the film formation step of forming a variable resistor film (PCMO film), and ON radicals are introduced into positions of oxygen deficiency defects in the PCMO film, and thereby, the three-dimensionally coupled network structure having the PCMO perovskite structure is locally broken down so as to increase the resistivity value.

The invention discloses a gold nanocage-manganese dioxide composite nanoparticle as well as a preparation method and application thereof, and relates to the technical field of nanoparticle photodynamic therapy. The composite nanoparticle comprises a gold nanocage inner core and a manganese dioxide shell layer. The preparation method is characterized in that potassium permanganate is reduced by a one-step reduction method; the manganese dioxide shell layer covers the surface of the gold nanocage, wherein the gold nanocage inner core achieves a photodynamic curative effect under the triggering of near-infrared light; the manganese dioxide shell layer is degraded in tumor microenvironment and releases oxygen, so that the tumor oxygen deficiency is relieved, and the photodynamic curative effect is enhanced; on the other hand, the opto-acoustic and magnetic resonance bimodule imaging can also be realized. The problem of insufficient photodynamic curative effect caused by factors such as tumor oxygen deficiency and photodynamic oxygen consumption of a nanometer photosensitizer used in the prior art is solved. The photodynamic curative effect of the gold nanocage-manganese dioxide composite nanoparticle is obvious; the gold nanocage-manganese dioxide composite nanoparticle can be applied to tumor targeted oxygenation photodynamic diagnosis and treatment integration.

The invention discloses a healthcare therapeutic apparatus of cardiovascular diseases, which is composed of a shell, a keypad arranged on the shell, a display, a cuff connected with the shell, an inflator pump arranged in the shell, a pressure sensor, an electromagnetic valve and a control circuit. The pressure sensor is connected with the cuff and used for detecting gas pressure and pressure oscillatory wave in the cuff. The detection signal output end of the pressure sensor is connected with the signal input end of a control circuit. The control circuit executes closed-loop control on the gas in the cuff via the inflator pump, the pressure sensor and the electromagnetic valve. The healthcare therapeutic apparatus can effectively stop the limb blooding of a user at intervals by repeatedly pressing hard upon the limb of the user, thus inspiring the anti-ischemia / ischemia or oxygen deficiency resistant potential of organism tissue cells, improving the viability and operational capacity of the organism, an organ or tissues under the condition of the oxygen deficiency, having a remarkable effect on preventing cardio-cerebrovascular diseases and treating ischemic mind-brain diseases, and reducing the incidence of sudden death and stroke. Therefore, the healthcare therapeutic apparatus of the cardiovascular diseases is suitable for a family and an individual.

The invention relates to a paper pouring channel pipe for forging, which is made of waste paper pulp, sintered filling materials, binding materials, reinforcing agent and moisture-proof agent materials. The new concepts and mechanisms completely different from the prior art are applied to the paper pouring channel pipe, namely the pouring channel pipe is not made of the prior used refractory materials such as pottery, porcelain and the like, and non-fireproof paper pulp fibers are taken as a main component which is added with the sintered filling materials and the like, carbonized and sintered under the using conditions of high temperature and oxygen deficiency to form a carbon sinter with high fire resistance degree and the paper pouring channel pipe which achieves the molten iron scouring resistance and fire resistance degree capable of meeting the current forging process requirements. The paper pouring channel pipe has the advantages of regenerative resource utilization, no forging, energy conservation, environment pollution reduction, socket joint, no sand leakage, convenient use, little dust during cutting, light weight, little resource consumption, no easy damage at normal temperature, crispness after high temperature treatment, easy stripping, easy cleaning, little hard solid waste after pouring, abrasion reduction of a sand regenerating device, improvement on the quality of regenerated sand, reduction on the defective index of forged pieces, no carburization problem for the forged pieces, and the like.

The invention relates to a municipal life wastewater treatment system with high efficiency and low energy consumption. The system comprises a reinforcement pretreatment part, a jet-type aeration biological filter part and a composite-type biological contact oxidation pond part. Multistage oxygen deficiency treatment, anaerobic treatment, aerobic treatment, sedimentation and filtration are adopted, reinforcement pretreatment and partial oxygen deficiency-anaerobic treatment are carried out on the wastewater, most organic pollutant can be removed and degraded, and the biodegradability of the wastewater is improved, partial aerobic treatment, oxygen deficiency treatment, anaerobic treatment, sedimentation and filtration treatment are carried out on the jet-type aeration biological filter pond, a great amount of organic pollutant, ammonia nitrogen and phosphate is removed, partial aerobic treatment, oxygen deficiency treatment, anaerobic treatment, sedimentation and filtration treatment are carried out on the composite-type biological contact oxidation pond, partial organic pollutant remained in the wastewater is removed and degraded, so that the pollutant removing rate of the domestic wastewater is improved. The system is small in occupied area, low in investment, low in operation cost and convenient in maintenance and management, and reaches the standard A of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB18918-2002).

To use a resistance change element having an MIM structure, which is obtained by stacking a metal, a metal oxide, and a metal, as a switching element, it is necessary to achieve OFF resistance higher than that required in a memory element by a factor of at least 1000. On the other hand, when a resistance change element is used as a memory element and when the difference between the ON resistance and the OFF resistance is a large value, high performance, for example, a short readout time, can be achieved. The present invention therefore provides a resistance change element capable of maintaining low ON resistance and achieving high OFF resistance. High OFF resistance can be achieved while low ON resistance is maintained by adding a second metal that is not contained in a metal oxide, which is a resistance change material, the second metal being capable of charge-compensating for metal deficiency or oxygen deficiency.

The invention relates to a planting method of submerged plants. According to the planting method, the submerged plants, planting soil, wrapping materials, ropes and clay are adopted. The planting method comprises the following steps of when the submerged plants are planted, wrapping stems and roots of the submerged plants by using the planting soil, wrapping the bottom of the planting soil by using the clay, and wrapping the outer sides of the planting soil and the clay by using the wrapping materials, wherein the bottoms of root systems of the submerged plants are not wrapped by the wrapping materials; and meanwhile, binding the outer sides of the wrapping materials by using the ropes, and carrying out dispersed planting on the wrapped and bound submerged plants. According to the planting method, as the wrapping materials are adopted, the loss of the planting soil after the plants are subjected to dispersed planting is overcome, so that the floating-up rate of the submerged plants is greatly reduced. As the clay is adopted for bottom sealing, the problem of loss of the planting soil after the plants are subjected to dispersed planting is solved, the defect that the root systems of the plants cannot pass through the wrapping materials is overcome, and therefore the survival rate of the submerged plants is greatly improved. The water-permeable wrapping materials are adopted, and the contact between the root systems of the plants and oxygen in water is enhanced, so that the roots of the plants cannot be rotten due to oxygen deficiency, and therefore the survival rate of the submerged plants is increased.