单词 | Base metal |
例句 | 1 The area has potential for the discovery of base metal sulphides. 2 The transmutation of base metal to gold was the paradigm of this sacred task. 3 Iron is a base metal, gold a precious one. 4 Iron is a base metal. 5 The effect of carbon content of the base metal on the welded bond structure, formation mechanism of the "austenitic-rich zone" and "hydrogen-induced disbonding" etc. 6 The bonding behaviors between enamel coating and base metal were studied. 7 In transient crack zone, the SEM fractographs of base metal consisted of equal-axis ductile voids, the fusion zone was mainly consisted of course transgranular cleavage facets. 8 LME base metal prices all increased on last Friday, except for aluminum price. 9 LME base metal prices continued to rise steadily on Wednesday. 10 The biomineralization of base metal deposits and its geological characteristics are discussed. 11 Compared with base metal, the microstructure in fusion zone is finer, and the hardness is higher. The hardness difference exists at various places in fusion zone. 12 Can be used as base metal coating materials used vinyl resin system by plastisol or solution, polyester or acrylic, etc. 13 Humans had become mere technical grist to the mill like any base metal. 14 Mineralisation within the nodules consists of uranium,[] vanadium and iron oxides with base metal sulphides. 15 Gold mineralisation is associated with earlier fluids; antimony and base metal sulphides with later fluids. 16 Gilded Finish Gilding is a process of overlaying a base metal with a very thin layer of gold. 17 Overheating can result in over tempered martensite (OTM) or untempered martensite (UTM) formations in the base metal. 18 Fracture toughness of heat - affected zone ( HAZ ) was between the base metal and weld metal. 19 The hardness in fusion zone, heat affect zone and base metal was measured, compared and analyzed. 20 As compared with the brush-plating with direct current, the sur- face roughness of plated layer is lowerd, its hardness is raised, the binding of plated layer with the base metal is improved. 21 Any visible evidence of chrome plate distress can indicate the likelihood of base metal heat damage. 22 Antofagasta, which owns copper mines in Chile, lost 1.6 percent to 1,512 pence as the base metal tumbled as much 1.9 percent on the London Metal Exchange. 23 The impact test, the thermal shock test and the scanning electron microscopy were used to investigate the effect of rare earth oxide on the adhesiveness between the glass coating and the base metal. 24 The silver price's trend had relations with international economical and political situation, gold price, oil price, base metal market and the new silver investment products (ETF) etc. 25 Burn-out of a microwave power device due to the poor bonding between beryllium oxide and base metal sink was investigated using Sound Scanning technique. 26 Fibrous processing marks remain in the heat-affected zone (HAZ) with part of precipitated solid phase solved into the base metal. 27 Both conditions can be detected by a temper etch (i. e. , nital etch) inspection of the base metal. 28 Overheating can result in tempered martensite ( OTM ) or untempered martensite ( UTM ) formations in the base metal. 29 The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding. 30 WF40 coating is the epoxy glass flake coating with thermal expansion efficient close to that of base metal and high resistance to the thermal shock. 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. 44 try 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. |
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