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- Keywords trace addition carbon;electron beam welding（EBW）;welded joint;property; 微量碳;电子束焊;焊接接头;性能;
- trace addition carbon 微量碳
- The effect of trace addition of Er on the ageing characteristics and microstructure of Al-Cu-Mg-Ag-Zr alloy was investigated. 研究了稀土元素铒对Al-Cu-Mg-Ag-Zr合金微观组织以及165℃时效特性的影响。
- The effect of trace addition of RE on high-temperature strength and microstructure of ZL109 piston alloy was investigated by means of Tensile Testing, SEM, EPMA, etc. 作为以低成本提高现役活塞合金高温性能的初步探索,利用材料高温试验机、扫描电镜、电子探针等手段研究了加入微量混合RE对ZL109活塞合金高温强度和显微组织的影响。
- Bacteria and bacterial residue carry additional carbon and would skew the radiocarbon date toward the present. 细菌和细菌性残余带来额外的碳，会使现时测定的年代变得不准确。
- The best of fermentation media was additive carbon source 1.5% bran and nitrogen source 2.5% casein. min-1。 发酵培养基添加的最佳碳源是1.;5%25麸皮;最佳氮源是2
- Called the 2009 Hero Edition ZR1, the car stands out with its red accents, special graphics, and additional carbon fiber components. 所谓的2009年英雄版ZR1，赛车脱颖而出其红色的口音，特殊图形，和更多的碳纤维组件。
- Carburant Carburant is a appellative of every kind of additive carbon materials that are used to smelt steel,iron products. 増碳剂 冶炼各种钢铁产品増炭材料的通称。
- Hops are used to add the characteristic flavor of most beers, and additional carbon dioxide may be added to the amount naturally produced by fermentation. 使用酒花使大多数啤酒产生特殊风味,额外充入的二氧化碳是对自然发酵产生的二氧化碳的补充。
- It should be noted that in all cultures,the growth medium also contained acetate, citrate,benzoate and salicylate as additional carbon and energy sources. 它应该被注意所有的文化的那,生长媒体也包含了如另外的碳和能源来源的醋酸盐，柠檬酸盐，安息香酸盐和水杨酸盐。
- She has two cars and in addition a motorboat. 她有两辆轿车外加一艘汽艇。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- The little girl is not very clever at addition. 这个小女孩不太善于做加法。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- We ran finite element analysis stress calculations to determine where the frame needed to be reinforced for maximum strength and stiffness, then reinforced those areas with additional carbon fiber. 我们跑应力有限元分析计算，确定了框架需要得到加强的最大强度和刚度，然后加强这些领域更多的碳纤维。
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- Ann will be a very useful addition to our team. 安来到我们队给我们增加了一员干将。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
