1)  Sumatra Mw9.3 earthquake in 2004
2004年苏门答腊Mw9.3地震
2)  hemoxgenase-1
A_（20）
3)  C_(20)F_(20)
C_（20）F_（20）
4)  M@C_(20)F_(20)
M@C_（20）F_（20）
5)  20 steel
20钢
1.
Effect of tensile strain rate on spall fracture in 20 steel;
拉伸应变率对20钢层裂特性的影响
2.
TiC penetration and depositing on 20 steel surface by double-glow plasma alloying;
20钢表面双辉渗镀TiC陶瓷
3.
Flashing butt welding between ferrite spheroidal graphite cast iron and 20 steel;
铁素体球墨铸铁与20钢的闪光对焊
6)  20# steel
20#钢
1.
Taking 20# steel commonly used in heat exchanges as a study object,its anticorrosion of hot-dip aluminizing was researched.
选取换热器中较为常用的材质20#钢作为研究对象,研究了20#钢热浸镀铝的抗腐蚀性能,使用便携式瞬时腐蚀速率测量仪对20#钢热浸镀铝前、后的试样在酸性腐蚀介质和碱性腐蚀介质中的年腐蚀速率进行了测试。
2.
In recent years, thinking of working safe, 20# steel is applied to significant construction project in the homeland more and more, especially to burying field facilities, therefore, The study on 20# steel’s corroding law and forecasts has very strong theory significance and gigantic realistic value.
近年来,出于对安全运行的考虑,20#钢正越来越多的被应用于国内重大建设项目的工程实践中,尤其是被应用于埋地设施中,所以对20#钢在土壤中的腐蚀规律及预测的研究具有很强的理论意义和巨大的实际应用价值。
3.
The tribological properties of GCr15 steel ball against 20# steel disc under unlubricated condition and lubrication of plant oil containing nano calcium carbonate particles were investigated on the Universal Micro-Tribometer.
利用微观摩擦学试验机测定了干摩擦、基础油润滑、添加纳米CaCO3的基础油润滑状态下GCr15钢／20#钢摩擦副的摩擦系数-时间关系曲线,比较分析了三种摩擦条件下曲线的变化规律及影响摩擦系数的因素。
参考词条
补充资料：年腊
【年腊】
　（术语）僧年曰腊。故称年岁曰年腊。白居易送文畅上人诗曰：“貌依年腊老。”
说明：补充资料仅用于学习参考，请勿用于其它任何用途。