1)  low temperature steel electrode
低温钢焊条
2)  low temperature
低温
1.
Effect of non-ionic surfactants in bacteria leaching of chalcopyrite at low temperature;
低温下非离子表面活性剂加速细菌浸出黄铜矿
2.
Study on compound coating film in preservation of fresh waxy corn in low temperature;
复合涂膜低温保藏鲜食糯玉米研究
3.
Thiobacillus ferrooxidans bioleaching of chalcopyrite at low temperature;
低温下氧化亚铁硫杆菌浸出黄铜矿
3)  low-temperature
低温
1.
Review of supported noble metal catalysts for low-temperature CO oxidation;
低温CO氧化负载型贵金属催化剂的研究概述
2.
Design and summary of 1000m~3 low-temperature spherical tank for oxygen storage;
1000m~3低温氧气球罐设计
3.
Research and development of RAs-10 type low-temperature dearsenic agent;
RAs-10低温脱砷剂的研制及应用
4)  cryogenic
低温
1.
Mechanical alloying of copper-zinc powders at cryogenic conditions;
铜锌粉末低温机械合金化
2.
Applications and Thermal Stress Analysis of Cryogenic Adhesive Bonding Technology;
低温粘接技术的应用及热应力分析
3.
Orientation of H Bonds Revealed by Cryogenic FTIR Spectroscopy;
用低温光谱方法揭示氢键的结构特征
5)  Hypothermia
低温
1.
Effect of Hypothermia on the Plasma Level of Endothelin and Calcitonin Gene-Related Peptide in Dogs;
低温对内皮素和降钙素基因相关肽血浆含量的影响
2.
Effects of hypothermia on interleukin-1β and tumor necrosis factor-α after traumatic brain injury of Sprague-Dawley rat;
局灶低温及全脑低温对大鼠创伤性脑损伤后IL-1β与TNF-α的影响研究
3.
The research of image and pathology of resuscitation after selective cerebral ultra-deep hypothermia blood flow occlusion;
猴脑选择性超深低温断血流的影像和病理研究
6)  low temperature exergy
低温
1.
Using LNG S low temperature exergy for power generating in open type process;
利用LNG低温的开式工质循环发电技术
参考词条
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)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。