81 results about "Gas element" patented technology

A hovering surveillance device. An electronic imaging device is disposed on a housing having a primary lift element, at least one compressed lighter-than-air gas element, a pitch adjustment element, and, a steering element. The compressed lighter-than-air gas is channeled to the primary lift element and the pitch adjustment element to selectively vary the altitude and angle for the housing such that scene of interest may be imaged. The lighter-than-air gas may be selected from the group of helium, hydrogen, heated air, neon, ammonia, and methane.

The invention relates to a coal mine spontaneous fire fiber temperature detection beam tube monitoring system and a method, and belongs to the field of coal mine spontaneous fire tendency monitoring and predicting. The coal mine spontaneous fire fiber temperature detection beam tube monitoring system comprises a beam tube monitoring system, distributed fiber temperature detection monitoring systems and a monitoring and analyzing system, wherein the beam tube monitoring system and the distributed fiber temperature detection monitoring systems are respectively connected with the monitoring and analyzing system. The method comprises the following steps: A, the beam tube monitoring system collects underground gas, detects and analyzes gas elements, and transmits data to a monitoring mainframe; B, the monitoring mainframe computes collected gas elements and contents of the collected gas elements according to the data obtained in the step A, and judges fire tendency according to gas element change; C, the distributed fiber temperature detection systems utilize a Raman scattering effect to obtain a temperature change curve of a whole fiber at different positions, and transmit the associated data to the monitoring mainframe; D, the monitoring mainframe receives the data obtained in the step C in real time; E, the monitoring mainframe performs correlation statistic analysis on the data obtained in the step D, determines the fire tendency and determines the position of a fire source point. According to the coal mine spontaneous fire fiber temperature detection beam tube monitoring system and the method, the firing tendency can be judged, and meanwhile, the position of the fire source point can be determined.

The present description relates to a hybrid environment sensor configured to measure a concentration of a particulate matter and gas element and concentration. More particularly, a hybrid environment sensor that can reduce the size of the entire environment sensor and substantially reduce the total power consumption through arranging a gas sensor configured to measure gas element and concentration included in the air in a housing unit that measures concentration of the particulate matter.

The invention discloses a method for preparing a molybdenum target. The method comprises the following steps of: (1) compacting molybdenum powder into a molybdenum blank material, and pre-sintering the molybdenum blank material in a high-temperature furnace so as to obtain a pre-sintered blank; (2) sintering the pre-sintered blank in a high-temperature furnace so as to obtain a high-purity molybdenum metal blank; (3) heating the high-purity molybdenum metal blank in a muffle furnace, and carrying out pressure processing on the heated high-purity molybdenum metal blank so as to obtain a molybdenum plate; (4) heating the molybdenum plate, cooling and then machining; and (5) cleaning the machined molybdenum plate, and then binding the molybdenum plate to a metallic back plate, thereby obtaining the molybdenum target. According to the method, the pre-sintering is carried out under low pressure, so that the melting point of impurities can be lowered, the conditions for impurity volatilization are created, and the removal of gas elements and low-melting-point impurities from the material is favored; and particularly, the content of impurity elements, such as C, O, Si, Cr, Ca, K, Mg, Ti and Ni, in the material is reduced, so that the purity of the finished products is remarkably improved, and the purity and product quality of molybdenum-sputtered target materials are guaranteed.

A pulse heating—time of flight mass spectrometric gas elements analyzer, which involves the chemical analysis field of inorganic materials, and comprises of a pulse heating electrode furnace, a sample charging system, a purification device, a time-of-flight mass spectrometer, a signal acquisition and data processing system, and an automatic control system. Said electrode furnace and sample charging system are united as one via upper/lower electrodes and pneumatic cylinders, to form a closed hearth. Said electrode furnace, purification device and time-of-flight mass spectrometer are interconnected through the gas pipelines: the purified inert carrier gas comes into the hearth from its top, carrying out the gas components released from sample fusion, and upon re-purification, comes into the time-of-flight mass spectrometer; said signal acquisition and data processing system is connected to the detector of the said mass spectrometer via signal cables, and on the basis of computation by the data processing module of the relevant computer software, outputs the mass percentages of O, N, H and Ar in the sample. The lower limit of detection can be below 0.01 ppm to 0.1 ppm, and no less than three elements can be measured simultaneously in one analysis cycle.

A vertical-type tubular furnace infrared carbon sulfur analyzer belongs to the technical field of gas elemental analysis in a material, comprises a tubular furnace heating system (1), a fully-automatic sampling system, a gas path system with a vacuum pump, an infrared detection system, a signal acquisition system and a signal processing system, the fully-automatic sampling system is installed below the tubular furnace heating system (1), and is used for pushing a crucible, in which a sample is contained, into a combustion tube; the vacuum pump is installed at the terminal end of a gas path to achieve gas flow stability in the whole gas path system; the infrared detection system (7) is mounted between the tubular furnace heating system (1) and the vacuum pump and is used for detection of carbon dioxide and sulfur dioxide in an analysis gas after combustion; a data acquisition and control system is connected via a data connection line, respectively with a temperature control device (18), the infrared detection system (7) and a fully-automatic sampling device (8), and is used for signal control and acquisition. Advantages are that the analysis is fast and results are stable.

The invention relates to a metal ion source capable of promoting high-density metallic element ion. In the invention auxiliary cathode is added to the cathode, and protrudes in the anode region, and constitutes a discharge chamber with anode. Circular magnet and ferromagnet is mounted under the auxiliary cathode, ferromagnet placing in circular magnet, and connected to cathode. Auxiliary cathode is made of needed metal element, when a certain metal element is needed, auxiliary cathode and magnet prepared from the material are mounted to constitute magnetron sputtering source, so the auxiliary cathode enlarge the metal element sputtering yield, protect the original cathode, prolong the ion source life time. When gas ion is needed, it is OK that circular magnet and ferromagnet under the auxiliary cathode be removed. The ion sputtering source can satisfy the needs of gas ion or metal ion.

A fuel cell system having a fuel cell, a reactant gas pipe for supplying a reactant gas to the fuel cell, and an injector for driving a valve body at a predetermined drive cycle by an electromagnetic driving force to separate the valve body from a valve seat, regulating conditions of the gas on the upstream side in the reactant gas pipe and supplying the gas to the downstream side. A gas element component responding to the physical quantity of the reactant gas circulating through the reactant gas pipe is integrally provided in the injector so as to come close to the injector.

The invention discloses a method for measuring the content of a hydrogen element in a nuclear-grade zirconium material. The method comprises the following steps: 1, cutting the nuclear-grade zirconium material into 0.1-0.3g of a solid test sample; 2, firstly, pickling the solid test sample for 5-30s so as to remove an oxygen enrichment layer on the surface of the solid test sample and hydrogen and other gas elements adsorbed in the machining process, subsequently washing the pickled test sample for 10-50 seconds by using acetone, subsequently putting the test sample into an oven to be dried at 50-60 DEG C, and removing a contaminated layer on the surface of the test sample so as to ensure the cleanness of the test sample; 3, putting the test sample pretreated in the step 2 into a hydrogen measuring instrument so as to measure the content of the hydrogen in the solid test sample by using the hydrogen measuring instrument. By adopting the method, the defects of the conventional measuring method are overcome, and requirements of practical detection on the nuclear-grade zirconium material are met.

The subject invention pertains to a method and apparatus for etching copper (Cu). The subject invention can involve passing a halide gas over an area of Cu such that CuX, or CuX and CuX₂, are formed, where X is the halide. Examples of halides which can be utilized with the subject matter include, but are not necessarily limited to, Cl, Br, F, and I. Once the CuX, or CuX and CuX₂, are formed the subject invention can then involve passing a reducing gas over the area of Cu for a sufficient time to etch away at least a portion of the CuX, or CuX₂, respectively. With respect to a specific embodiment in which CuX and CuX₂ are produced when the halide gas is passed over the area of Cu, the reducing gas can be passed until essentially all of the CUX₂ is etched and at least a portion of the CuX is etched. Examples of reducing gases which can be utilized with the subject invention include, but are not necessarily limited to, hydrogen gas and hydrogen gas plasma. The subject invention can accomplish the etching of Cu by passing the reducing gas over the Cu so as to be on a CuX₂—Cu₃X₂ metastable line when etching CuX₂ and to be a CuY—CuX metastable line, where Y is the reducing gas element, when etching CuX. FIGS. 5, 6, and 8, show such metastable lines for Cu, with X being Cl, from temperatures ranging from 50° C. to 200° C. These can be extrapolated to other temperatures, for other halides, and/or other reducing gases. The subject invention can be used to, for example, etch partial into a layer of Cu, through a layer of Cu, or to smooth a Cu surface.

The present invention relates to an absorbent hygiene article, comprising (a) a stiff element which stiffens on contact with body fluids, or (b) a gas element which forms a gas on contact with body fluids, or both as an indicator and (c) At least one hygiene article component, wherein the stiff element or the gas element which forms a gas or both are in contact with the hygiene article component.

The invention relates to the technical field of non-contact polishing and particularly relates to a plasma processing device, which aims at solving the problems that in the prior art, a polished surface is polluted by extraneous elements introduced to the polished surface and reaction gas elements absorbed on the polished surface results in damage to the completeness of crystal lattice on the polished surface and easy damage to a subsurface. In order to solve the problems in the prior art, the technical proposal which is provided is: the plasma processing device comprises a workroom and a capacity coupling plasma generator which is internally arranged in the workroom. The capacity coupling plasma generator comprises an air intake, a radio frequency connector and an inner bushing. The workroom is a vacuum chamber and the outside of the inner bushing of the capacity coupling plasma generator is provided with an insulating layer and a shielding layer in sequence. The inner bushing, the insulating layer and the shielding layer are connected in an interference fit way. The outer side of the shielding layer is surrounded with an annular magnet and the annular magnet is linked on the shielding layer by a linear moving mechanism.

The invention relates to a securing element (30) arranged between a gas element (32) and a current element (33) of the plug-in element (28). A fixing element (34) is arranged in the coupling (29) of the torch handle and meshes with said securing element (30), and, for guiding over said fixing element (34) arranged in the coupling (29), the gas element (32) has a diameter smaller than those of the securing element (30) and of the current element (33). Said securing element (30) can be guided over the fixing element (34) using a flat area (35), while the gas element (32) is arranged in a gas bore hole (37) in the coupling (29) in a sealing manner. The position of the burner body (27) can be freely adjusted by means of a manual rotational movement, said fixing element (34) being guided in a circumferential groove (36) in said securing element (30).

The invention relates to a vertical storage tank capable of monitoring tank bottom leakage in real-time. The invention aims at providing a storage tank having pressure bearing and real-time monitoring functions with simple and convenient operation and lower cost. The vertical storage tank comprises a tank body and a tank bottom, wherein the tank bottom is laminated by an upper layer plate and a lower layer plate, the surroundings of the two layer plates are all sealed and fixedly connected to form a hollow cavity between the surfaces of the two layer plates; the tank bottom is also provided thereon with a connecting pipe communicated with the hollow cavity; a gas element analyzer is arranged inside the connecting pipe, and the data line of the gas element analyzer is communicated with a monitoring system. The connecting pipe is also provided thereon with a suction pump. The diameter of the lower layer plate is slightly larger than that of the upper layer plate, thereby facilitating welding the surroundings of the upper and the lower layer plates.

There is provided a surface-coated body equipped with a hard film that has high adherence and exerts excellent wear resistance. In a surface-coated body in which the surface of a base body is coated with at least one layer of a hard film constituted of one or more of nitride, nitrooxide, carbonitride and carbonitrooxide including at least Ti and Al, the hard film contains 0.01-1% by mass of one or more inert gas elements selected from He, Ne, Ar, Xe, Kr and Rn based on the total mass of the hard film, and, among peaks detected with the X-ray diffraction method for the hard film, the peak caused by the (111) plane of the crystal has the highest intensity.

The invention discloses an ion beam detection device. The ion beam detection device comprises an ion beam detection module, a pre-filtering diaphragm module, a supporting plate, and the like. The ion beam detection module is composed of a Faraday cup, a driving shaft, vacuum bellows and a driving air cylinder; the ion beam detection module is designed to detect gas element ions and detect special metal ions; the entrance of the Faraday cup is provided with an inhibition graphite electrode which can effectively prevent external electrons from entering the Faraday cup and inhibit electrons from overflowing from the Faraday cup; the beam detection module can accurately detect ion beams; the pre-filtering diaphragm module is composed of a filtering graphite diaphragm plate, a moving main shaft, a differential air extraction module and a driving air cylinder; the pre-filtering diaphragm module can pre-filter ions entering the Faraday cup; and two kinds of filtering slits are designed on the filtering graphite diaphragm plate. With the ion beam detection device adopted, the quality of the ions entering the Faraday cup can be effectively improved, the measurement accuracy of the Faraday cup can be effectively improved, and ion implantation process debugging can be facilitated. The invention relates to an ion implantation device and belongs to the semiconductor manufacturing field.

The invention belongs to the field of nonferrous metal machining, and provides a purifying process for eliminating impurity and gas element defects in nickel plate targets. The process mainly comprises the steps of material preparation, furnace cleaning, vacuumizing, smelting, purification and smelting, forging, hot rolling, cold rolling and annealing, and inspection. The process can fully removeimpurities and gas elements, such as Co, Fe, Cu and C, N, O and the like; and through further machining, the purity of the nickel plate targets can be not less than 99.996%, the internals of the nickel plate targets are continuous and consistent, and the nickel plate targets have no defects such as centralized shrinkage holes, looseness, air holes, segregation, grain increment and the like.