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1)  simulated electrode
模拟焊条
1.
The paper introduces the mathematical model describing the position and angle of the simulated electrode terminal,sensros and tshe real-time algorithm.
模拟焊条空间位姿的检测与确定是焊工训练器研制过程中的关键技术问题。
2)  welding simulation
焊接模拟
3)  Modal of car body
焊点模拟
4)  weld modelling
焊缝模拟
5)  simulation conditions
模拟条件
1.
Based on the theory of similitude,research was made on the simulation conditions of static description that satisfied the rule of similitude,then the simulated electrostatic field was derived to satisfy the condition for similar movements of charged particles in a simulated focusing electrostatic field,which offered the basis for expeniments about electrostatic field simulations.
依据相似理论,研究静电场描绘实验中模拟条件需要满足的相似判据,更深一步探讨了针对在聚焦电场中带电粒子运动所满足的条件,为静电场模拟实验打下理论基础。
6)  conditional simulation
条件模拟
1.
Study on conditional simulation of soil water-salt spatial variablity monitoring;
水盐空间变异性监测的条件模拟
2.
Application and comparison research of artificial neural network on conditional simulation and space variability of water-salt for frozen earth;
人工神经网络在冻土水盐空间变异与条件模拟中的应用比较
3.
Uncertainty analysis of the contaminant transport fate using conditional simulation of hydraulic conductivity;
渗透系数的条件模拟对污染物运移的不确定性分析
补充资料:低温钢焊条


低温钢焊条
covered electrode for low temperature steel

d一wengang hantlao低温钢焊条(eovered eleetrode for low tem-perature steel)专用于焊接低温钢的焊条。根据使用温度的不同,低温用钢可分为一40℃、一60℃、一70℃、一90℃、一100oC、一196℃和一253℃几个级别,低温钢焊条的分级与钢种的分级相一致,并要求焊缝韧性与同级别的钢种相匹配。为了提高焊缝韧性,低温钢焊条均采用碱性低氢型药皮,并对焊缝成分有较严格的要求:一40℃用的焊条,其焊缝成分可含1.5肠Ni,也可不含镍而含微量的钦和硼;一60‘C用焊条,其焊缝成分可含2.5%Ni,也可含1%Ni和微量的钦、硼;一90一一100℃用焊条,其焊缝中含镍量可达3%~5%;一196℃以下用的焊条,往往采用奥氏体组织的焊条。 采用低温钢焊条施焊时,应尽量采用较小的焊接线能量,预热和层间温度也宜控制得低一些,以便改善焊缝区和热影响区的韧性。但是,随着焊缝中合金含量的增多,裂纹敏感性增高,为防止焊接裂纹应采取适当预热,层间温度应不低于预热温度,但不要超过200一300‘C。 (尹士科)
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