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base metal造句
31 The appropriate tapping temperature and composition, designed for primary melting GH1040 base metal in arc furnace, provide necessary energy for VOD refining. 32 Burn-out of a microwave power device due to the poor bonding between beryllium oxide and base metal sink was investigated using Sound Seanning technique. 33 In view of this, this article use bis-Schiff base metal complexes catalysts synthesis of a series of pyrrole derivatives and indole derivatives, and reaction conditions were optimized. 34 Wettability, tensile strength, interdiffusion and metallurgy combination between base metal and filler metals of amorphous filler metal are better than as-cast one. 35 Magicians and alchemists have been trying to change base metal into gold for centuries. 36 Ferrous tool materials have iron as a base metal and include steel, steel, steel and iron. 37 The fracture toughness of the weld metal is lower than that of the base metal and the fracture toughness of heat-affected zone(HAZ) is intervenient between those of weld metal and base metal. 38 This article describes different varieties, synthesis, mechanism of thermochromism and the prospects for reversible thermochromic Sciff bases and Schiff base metal complexes. 39 According to LME, base metal prices all dropped on Tuesday. 40 High-speed steel layers were coated on the pick's base by surfacing welding technology and bonded with the base metal metallurgically. 41 But the base metal is now shining on the commodities markets. 42 Low - cycle fatigue are carriedon the base metal and welded butt joint specimens of WFG 36 Z steel. 43 In most instances, these repairs involve rework of the base metal. 44 The results show that its section has been divided into melting zone, heat influence zone and base metal. 44try its best to gather and build good sentences. 45 The reasons of hot cracking susceptibility are analyzed through electronic-scanning, electronic-probing and energyspectrometric methods on the patterns of fracture surface of hot crack and base metal. 46 Everything from base metal to copper, sterling silver or 14 k gold filled. 47 The hardness of fusion zoon higher weld joint and lower base metal The hardness have no change at fusion depth direction. 48 B. Base Metals: Produce door hardware units of base metal indicated, fabricated by forming method indicated, using manufacturer's standard metal alloy, composition, temper, and hardness. 49 A polyisocyanate curing agent, which is mainly composed of toluene diisocyanate (TDI) trimer, was prepared in the presence of the base metal carboxylate K-1000. The reaction conditions were studied. 50 For instance, a base metal could perhaps be turned into gold. 51 Boeing documentation describes the methods for detecting base metal damage while in service and during overhaul. 52 Especially , the activated process with base metal in place metal is inexpensive and has little pollution. 53 The wetting performance can be improved with the increase of surface roughness of base metal or with the decrease of the content of overglaze in priming glaze. 54 In addition, series load experiments were used to study properties of weld and base metal.