1) the refrigerant R434A
R434A(RS-45)冷媒
2) 45 cold roll steel
45冷轧钢
3) 45 steel for cold drawing
45冷拔用钢
1.
Cooling speed of controlled cooling parameters for bar production of 45 steel for cold drawing has been studied according to rooling process and heat treatment process , the effect of cooling speed on microstructure of 45 steel has been analyzed and the optimum cooling speed has been founded.
本文结合轧制工艺和热处理工艺研究了生产45冷拔用钢棒材控制冷却工艺参数中的冷却速度,详细分析了冷却速度对45冷拔用钢的组织状态的影响,找到了生产45冷拔用钢最佳的冷却速度。
4) refrigerant
[英][ri'fridʒərənt] [美][rɪ'frɪdʒərənt]
冷媒
1.
Analysis on explosive reaction characteristics of the compressor refrigerants;
空调压缩机冷媒爆炸反应特征分析
2.
Refrigerant Selection for Sustainable Future;
为可持续发展选择适当的冷媒
3.
Disscusses the principles and features of the absorption refrigeration cycles with the silica gel water working medium and secondary refrigerant in lowering the driving heat temperature, and presents the current tendency and development orientation of research in this field.
讨论了硅胶—水系吸附式制冷循环和具有辅助冷媒的制冷循环实现驱动热源低温化的原理和特点，介绍了有关研究动向和发展方向。
5) cold intermediary
冷媒
1.
The specification of L-DRB/A15 full-closed refrigerator oil for enclosed refrigerating compressor using R600a,R12,or mixed R152a/R22 as the cold intermediary was laid down.
制定了适用于以R12、R152 a/R22混合工质、R600 a为冷媒的封闭式制冷压缩机的L-DRB/A15全封闭冷冻机油的试制产品规格。
6) steel #45
45~#
补充资料：(RS)-alpha-氰基-4-氟-3-苯氧基苄基 (1RS,3RS
分子式：C22H18Cl2FNO3
分子量：434.29
CAS号：68359-37-5
性质：熔点60°C。
分子量：434.29
CAS号：68359-37-5
性质：熔点60°C。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条