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31 Reducing atmospheres, such as hydrogen or disassociated ammonia, particularly with low dew-points, may remove the protective silicon oxide protection that forms on silicon carbide.

32 The matrix is a kind of nodular troostite, where there were a large number of carbide particles precipitated.

33 Carbide balls are usually recommended for Brinell hardness numbers greater than 500.

34 The reutilization of water, tail gas and carbide slag in PVC production by calcium carbide method, and service condition of super low content mercuric chloride catalyst were introduced.

35 The results indicate that the carbide slag after proper calcination can be used to prepare the pure xonotlite which was made up of many big orbicular secondary particles.

36 Adding triethanolamine oleate to the solution can obviously inhibit the leaching of cobalt from cemented carbide.

37 FAW TOYOTA engine company crankshaft product line uses carbide tool and MQL technique to process crankshaft oil holes.

37 Wish you will love sentencedict.com and make progress everyday!

38 The impurity content control and the quality control in the carbonization process in the production of coarse tungsten carbide have been studied.

39 A trademark used for an abrasive of silicon carbide crystals.

40 Spiral bevel gears carbide skiving cutter has designed by method of inclination cut and straight line profile, and the generating surface of cutter is hyperbolic but conic.

41 The main products are PVC resin suspension, the bulk of PVC resin, ADC foam, caustic soda (protopine), hydrazine hydrate, sodium tripolyphosphate, cement, calcium carbide , and so on.

42 The wear mechanism of high vanadium high-speed steel is combined micro-cutting and fatigue wear with carbide particle breaking and peeling off under stress.

43 The production practice shows that addition of a proper amount of phosphoric acid for bricking of silicon carbide tray of the re-distiller is favorable for extending lifetime of the re-distiller body.

44 Accordingly, silicon carbide mirror manufacturing technology has been a focus of attention in optical engineering.

45 On the basis porous carbon , the reactive sintering silicon carbide ceramics were prepared by ihrigizing reaction.

46 The existing problems and shortages of original PVC water units by calcium carbide method were analysed.

47 The results also show with the increasing of volume fraction of cast chromium carbide, the wear resistance of Mn copper-nickel alloy matrix-cast chromium carbide opposite impr...

48 Using stream inoculation technology can restrain the emergence of the molybdenum carbide and composite phosphide eutectic and increase the percentage elongation of the casting obviously.

49 The invention provides a seed crystal support for growing a silicon carbide crystal with high quality by a physical vapor phase transport method.

50 Recommend reasons: the chemical industry leader, producing PVC, caustic soda, calcium carbide and other products.

51 It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

52 Materials, structure, roll pass machining, installation and cooling of cemented carbide roll rings in stretch reducing mill are introduced.

53 The effect of RE on granulation of eutectic carbide in ledeburite steel was studied. The mechanism of RE action was also discussed.

54 The system uses fuzzy theory to realize the motion control of electrodes of submerged - arc carbide furnace.

55 The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

56 SiC/C binary porous green body was prepared by electrophoretic deposition process, using 70%water-30%alcohol as dispersion medium, and silicon carbide and petroleum coke powder as starting materials.

57 The representative of above mentioned new type materials is silicon carbide single crystal. The manufacture technique of silicon carbide single crystal consists of single crystal growth and wafering.

58 Granular procedure of eutectic carbide in modified ledeburite steel is studied and granular mechanism of eutectic carbide is discussed.

59 A method for the determination of microamount of sodium in titanium carbide samples by flame atomic emission spectrometry is reported in this paper.

60 For some applications, especially where extremely high-speed cutting is important, other tool materials such as sintered carbide products are a more economical alternative to tool steel.