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155 results. per page « 1 2 3 4 5 6 7 8 9 10 11 »

Jar Tester for Effluent Treatment Assessment

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Au. extols simple, portable device consisting of 4 x 1 Liter beakers or jars, each with o/head electrically powered paddle stirring mechanism. The jars are illuminated from below, allowing one to inspect settling or other precipitation processes taking place. The device is used to screen a range of effluent or sludge treatment procedures, and additives such as flocculating agents. Tables show typical testing strategies. 2 refs

Jena laser direct exposure is successfully tested at ILFA

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Jet assembly

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Jet assembly for delivering reactant gas from supply to reaction chamber of barrel reactor during CVD onto semiconductor wafer, comprises nozzle and connector and multi-axis stage outside reaction chamber when nozzle is mounted on barrel reactor. Stage incl. 2 slider units connected resp. to connector and to barrel reactor.

Jet Black secrets help W. Midlands family specialist to success

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Describes facilities at Jet Black Co., Brunswick Park Industrial Units, Block B, Wednesbury, W. Midlands WS10 9QR.

Jet Blast Nozzle for Liquid Propelled Abrasive Cleaning

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Jet coating for through passages

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Method of coating component having through-passages comprises coating area adjacent 1 end of passage; directing fluid jet through other end to remove (portion of) coating material within or obstructing passage. Water jet e.g., used to remove ceramic coating is channelled by 1st portion of passage before encountering coating material. Method is useful for clearing cooling holes in turbine blades and in repair.

Jet coating method and apparatus

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Coating mix is applied onto moving web at ambient pressure by directing jet counter to web direction at velocity high enough to split jet into return flow and application flow, jet being unrestricted in region where coating mix contacts web.

Jet deburring method

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Jet deburring of components after mechanical machining, forging, welding, and casting is considered, and features compared with other methods. Discussion covers abrasive-jet, shot blasting, sand blasting, and high pressure water jets.

Jet Electrochemical Etching of Nickel in Sodium Chloride Solution Assisted by Pulsed Laser Beam

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JAE Describes holes drilled in nickel sheet. Graphs show etching rate & efficiency vs. current dennsity. Computer-control also allows @writing" on metal surfaces. Drilling with 125 micron diam nozzle at 400 kA/sq. metre gave 280 micron diameter hole. SEM photos show results. 17 refs

Jet Electrolytic Metallisation

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94 147545 French. Anode jets are used to plate the internal surfaces of hollow components.

Jet Electroplating a Layer on a Substrate Surface.

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Jet plating device with pump, plating nozzle etc.

Jet Electropolishing Solution for Silicon, Germanium, Tantalum, Niobium, and Tungsten-Rhenium Alloys

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Mixt. of metanol & butyl cellosolve with sulphuric & hydrofluoric acids.

Jet Impingement Systems for Electroplating Applications: Mass transfer Correlations

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JES 99 60880 Engl. The mass transfer rates of various jet configurations are shown and their suitability to electroplating considered. An empirically derived correlating equation is produced. The use of title systems for high speed plating of p.c. b's is examined.

Jet Kote Spraying with Different Fuel Gases.

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Propylene, propane & hydrogen are compared for tungsten carbide - cobalt spraying in terms of structure (XRD), metallography & hardness. Deposits were found superior in all cases to plasma spraying. Propylene created the highest temperature. Decomposition of tungsten carbide - cobalt & chromium carbide was less than that occurring in plasma or D-gun coating. Numerous SEM images of surfaces & XRD spectra are shown. 7 refs

Jet nozzle plating system

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Electrolyte is pumped through nozzle directed at work, nozzle also used to suction solution.