1) diamond formation age
金刚石形成年龄
2) Forming ages
形成年龄
3) synthetic diamond
合成金刚石
1.
Elemental impurity analysis for powdery Fe_(70)Ni_(30) alloy catalyst and synthetic diamond using atomic emission spectrometry;
Fe_(70)Ni_(30)合金粉体触媒及合成金刚石中杂质元素的原子发射光谱分析
2.
The semi-products of synthetic diamond always contain a significant amount of non-diamond carbons.
在人工合成金刚石的半成品中,都含有相当数量的非金刚石碳。
3.
The color,morphology,nitrogen content and inclusions of synthetic diamond crystals were characterized by optics microscope(OM),scanning electronic microscope(SEM),micro infra-red spectra,Mssbauer spectra respectively.
利用F eM n-C体系以及添加剂A l,在国产六面顶压机上分别进行了合成金刚石单晶的实验,研究了在高温高压条件下(5。
4) diamond synthesis
金刚石合成
1.
Research on the fine particle diamond synthesis by dia 23 synthesizing cavity with Ni-Mn powder catalyst;
大腔体Ni-Mn粉末触媒细颗粒金刚石合成
2.
Raw materials for diamond synthesis are analysed and tested by X- ray and SEM analyses.
考查了合成温度、压力对粉末工艺金刚石合成的影响 ,探讨了其动力学效应 ,加深了对粉末工艺金刚石合成特性的认识。
5) synthesis of diamond
合成金刚石
1.
The action characteristics of the powder catalyst and slice catalyst used in the synthesis of diamond were analysed and the monatomic catalyst was compared to the alloy catalyst according to the experiments.
分析了粉状和片状触媒在合成金刚石时的作用特点 ,通过“剥皮”试验确认金刚石成核过程中出现熔媒聚集现象。
2.
W-pyrophyllite is used as pressure medium for high temperature and high pressure synthesis of diamond.
本文采用W型叶蜡石作为超高压高温合成金刚石的传压介质，分析了其主要化学成分与矿物相组成。
补充资料：形成间隔年龄
见宇宙年代学。
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