1) X70 pipeline steel
X70级管线钢
1.
This article introduces production condition of TISCO X70 pipeline steel after TISCO 2250 HCR production line put into use,and also introduces in detail production process of new production line and properties of X70 pipeline steel.
介绍了太原钢铁集团公司2250热连轧生产线投产后X70级管线钢的生产情况,对新机组生产工艺及X70级管线钢的性能进行了较为详细的介绍。
2) X70 pipeline steel pipe
X70级管线钢管
1.
Aiming at X70 pipeline steel pipe,this paper establishes a heat source model of pipeline girth weld based on testing,and calculates welding heat cycle process by using numerical simulation software,and also determines variety process and distribution of temperature and stress in welding joint during welding,as well as magnitude and distribution of residual stress post-weld.
根据试验确定了X70级管线钢管环焊热源模型,并利用数值模拟软件Sysweld计算了焊接热循环过程,确定了焊接接头在焊接过程中温度和应力的变化过程及其分布,以及焊后残余应力的大小和分布。
3) Arthrobacter X7
节杆菌X7
1.
The xanthine oxidase producing conditions of Arthrobacter X7 were stduied in this paper.
对节杆菌X7产黄嘌呤氧化酶条件进行了研究。
4) Strain X7
菌株X7
补充资料：管线钢
pipelinesteel：制备管道、线材用的钢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。