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211 Treatment on acid-bearing wastewater from sulphonamide manufacturing was studied, taking calcium carbide dregs as neutralizer in this paper.

212 Importance of electrode shell making and jointing to sealed calcium carbide furnace is introduced.

213 This paper mainly describes the industrial production line using calcium carbide dreg dosing and new technology "dry grinding and dry calcining" for dry production process of cement clinker.

214 This paper reported the bending strength improvement with relation to cobaltic phase structure of laser heat treatment in the surface of cemented carbide.

215 The results revealed that the non homogeneous distribution of the carbide caused the "zonal structure" appeared in the joint of drill rod which is hardened and high temperature tempered.

216 The net like carbide in ledeburite structure can bring about the plastic deformation. The deforming mechanism is the movement and inter-action of dislocation and the formation of sub-structure.

217 The results show that the two-step method can effectively remove Co on the cemented carbide substrates and obviously roughen the surface of the cemented carbide substrate.

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218 When the isothermal time is long enough, the carbide precipitated between the rod-like upper bainite, so the upper bainite presented normal featherlike micromorphology.

219 The countermeasures on calcium carbide consumption reduction in PVC production of Tianjin Botian Chemical Co.

220 The olefin readsorption mechanism based on the carbide mechanism depth.

221 MIM of cemented carbide adaptor of bayonet have been investigated.

222 This paper introduces the process of coated vanadium carbide with powder method in place of coated metal vanadium carbide with salt bath treatment. The experimental results are given here.

223 Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

224 The result showed that the atomization of molybdenum on the graphite probe surface originates from the thermolysis of his carbide compands.

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

226 The basic structure design of the left and right step face milling cutter with carbide circular inserts is briefly introduced, amplify on the cutter parameter of geometry and structure.

227 The result shows that the poor mechanical property of the material is due to insufficient forge which results in stout and angular carbide with zonal distribution.

228 This series products are include furnace, calcium carbide furnace, arc furnace, ladle furnace and so on.

229 The development of the cemented carbide roll collar and the cemented carbide composite roll collar is introduced.

230 The morphology and distribution of carbides in RE-modified semi-steel have been studied using the method ofopticalquantitative analysis. The carbide network can be broken by proper RE addition.

231 The acetylene gas generated by calcium carbide can be applied to weld or cut metal materials.

232 Saint - Gobain Ceramics & Plastics acquires the Brazilian company Casil, first silicon carbide producer in Latin America.

233 The results show that the uneven distribution banded carbide due to abnormal spheroidization is one of important factors causing the quality problems of the valves after electric upsetting.

234 CarbonControl in MIM Process of Nonmagnetic Fine cemented Carbide was studied.

235 Practical tests show that the performance of cemented carbide anvils, coated blade and drill bits with graded structure developed in this dissertation are superior to those with regular structure.

236 The problems of hearth rolls in continuous annealing furnace with chromium carbide, cobalt-based alloy and others oxides coatings were discussed.

237 Applicable to electric furnaces from 3200KVA to 12500KVA for smelting ferro-alloy, carbide and yellow phosphorous, it can exercise such actions as holding, lifting, pressing and releasing.

238 Applicable to 2,3,4,6 flutes HSS end mill, carbide end mill, reamer.

239 Calcium carbide, widely applied in synthesis of organic chemical products, such as benzene, rubber, polyvinyl chloride, and polyacetylene, is a main intermediate product of clean coal utilization.

240 The burnability of raw meal using carbide slag as raw material is not as good as that of lim...