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121, This paper describes the chlorination process of waste tungsten carbide powder.

122, Reliable and durable: the abnormal scrap rate is very less and the cost of maintenance is not expensive without easily damaged parts such as tungsten filament and body case etc.

123, The instrument consisted of a tungsten lamp as its source, an optical fiber for light transfer, a photomultiplier tube for detection and a digital multimeter for reading.

124, Modifications of the method of potentiometric titration with chromous chloride in thedetermination of tungsten and molybdenum have been described.

125, Application of solvent extraction process in tungsten hydrometallurgy is summarized.

126, It is preferable to use tungsten carbide of fine grain size for such build - up welding .

127, The deposit, refers to the stockwork sulphide tungsten deposit of porphyry type with associated gold which can meet the requirement of utilization.

128, The cathode was a Tungsten crucibleneedle with diameter 3 mm.

129, To bring your flash into the tungsten range of color for most ambient situations, you can use a Color Temperature Orange (CTO) filter over the flash lens.

130, External radiation from thoriated tungsten electrodes during storage, welding, or disposal of residues is negligible under normal conditions.

131, Lamp of low-pressure halogenate tungsten: The price is expensive, but enough of clear and light high quality illume is quits this one defect.

132, The elements and tungsten of raw ore are analyzed in Table 1 and Table 2.

133, In recent years,(sentence dictionary) some new methods about removing of stannum from tungsten are put forward.

134, Polyaniline - tungsten trioxide ( PANI - WO _ 3 ) composite film was synthesized on the surface of titanium electrode by pulse potentiostatic method ...

135, The tungsten bronze type solid solution systems, Sr _ ( 1 - x ) Ba _ xNb _ 2 O < ...

136, It is studied that most of tungsten in ore occurs in secondary psilomelane in the form of adsorbed ions.

137, Tungsten is a very hard, dense, silvery-white, lustrous metal that tarnishes in air, forming a protective oxide coating.

138, A new style fast heating infrared equipment, with tungsten halogen lamp and parabolic reflector equipped, was developed for heating metal samples.

139, Application:Raw material for hydrogenolysis tungsten powder, used for producing doped tungsten powder, tungsten bar, tungsten rod, tungsten wire and W-base high density alloy.

140, Reserved resources of scheelite and wolframite and their distribution in China are presented in this paper. The current situation of exploitation of tungsten resources is discussed.

141, In many cases the recovery value of these other elements exceeds that of the tungsten.

142, High frequency directs the arc, cannot produce the phenomenon of clamping tungsten.

143, In this paper, WO3 thin film was deposited on glass substrate and silicon slice by DC reactive magnetron sputtering and using metal tungsten as target.

144, Ltd is a specialist in producing molybdenum, tungsten and their down - stream products.

145, For example, consider a typical 100 watt, 120 VAC light bulb with a tungsten filament.

146, Characteristics of Scandate cathodes with Scandia doped tungsten bodies have been investigated in this work.

147, The two body abrasion wear characteristic of Mn copper nickel alloy matrix cast tungsten carbide composite has been studied using high chromium cast iron as a reference material.

148, Cobalt - tungsten electrodeposit as copper barrier was presented in the paper.

149, The experiences in trouble shooting of the deuteron and tungsten lamps in the service of P E 5000 atomic absorption spectrophotometers were demonstrated in this paper.

150, The drawing capstans are of step-cone structure, the surface of which is spray-coated with tungsten carbide.