1) CRN dating
CRN测年
2) CrN film
CrN薄膜
1.
CrN films have been prepared on H13 mould steel by magnetron reactive sputtering.
通过磁控反应溅射在H1模具钢表面沉积了CrN薄膜。
2.
The results show that with the increase of OEM, the reactive gas N2 flux is reduced and N element content in the CrN films is decreased.
结果表明,随着OEM的增加,反应气体N2流量下降, CrN硬质薄膜成分中的N元素含量下降;当OEM为60%时,CrN薄膜以单一的CrN相为主,柱状晶组织细密,薄膜沉积速率大,具有最小的摩擦系数和最好的耐磨损性能;当OEM为55%时,CrN薄膜与基体结合强度最好,并具有最高的硬度和弹性模量。
3) CrN precipitate
CrN沉淀
4) NASH-CRN scoring system
NASH-CRN方案
5) CrN coating
CrN涂层
1.
Preparation and properties of CrN coating by arc ion deposition
电弧离子镀CrN涂层的制备及性能研究
2.
Two kinds of CrN coatings were deposited on cemented carbide substrates by filtered cathodic vacuum arc(FCVA) and multi-arc ion plating(MAIP),and their tribological properties were compared on a CETR UMT-2 tribometer under reciprocating sliding.
用CETR UMT-2摩擦磨损试验机对比磁过滤阴极真空弧源和多弧离子镀方法制备的CrN涂层在往复滑动条件下的摩擦磨损行为。
3.
CrN coating on Ti22Al26Nb alloy was prepared by arc on plating.
采用电弧离子镀技术在基体Ti22Al26Nb合金表面制备了CrN涂层,涂层主要由CrN和少量的Cr2N构成,涂层表面和截面均无孔洞和裂纹且与基体合金结合良好。
6) TiN/CrN coating
TiN/CrN涂层
补充资料：C14测年
含c物质的c14含量在c元素中所含的比例几乎是保持恒定的，如果含c物质一旦停止与大气的交换关系，则该物质的c14含量不在得到新的补充，而原有的c14按照衰变规律减少，每隔5730年减少一半，因此只要测出含c物质中c14的减少的程度，就可以计算出它停止与大气进行交换的年代，这就是c14测年的原理。
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