The discover,characteristics,differentiation method and the application range of natural diamond have been described.
详细介绍了天然金刚石的发现、特性、鉴别方法和应用范围,论述了金刚石粉体、单晶金刚石、金刚石膜和聚晶金刚石的人工合成方法和应用情况。
The developing process of natural diamond cutting tools and its manufacturing technology are retrospected.
回顾了天然金刚石刀具及其加工技术的发展历程 ,介绍了天然金刚石刀具最新加工技术 ,探讨了金刚石刀具技术的发展方向。
In this paper, natural diamonds placer in Hunan Province have been studied by means of Raman Microprobe.
本文用拉曼探针研究了湖南金刚石矿砂中的天然金刚石，发现在某些金刚石中含有硅，确定硅是以ＳｉＣ的立方晶系形式存在的。
Lapping of Natural Diamond Cutting Tool and Measuring Technique for its Edge Radius;
天然金刚石刀具的研磨及其刃口半径检测技术
insert natural diamond bit
天然金刚石镶齿钻头
NATURAL DIAMOND,FACED DIOMAND AND BE BEERS;
天然金刚石·钻石·戴比尔斯(DE BEERS)
An Investigation of Technologies for Grinding Natural Diamond Tools Cutting Edge and Equipments;
天然金刚石刀具刃磨技术及设备研究
The natural circular arc diamond cutting tool is an important cutting tool by which the complicated curved surface parts can be machined.
圆弧刃天然金刚石刀具是加工各类复杂曲面零件的重要工具。
brazed natural diamond tool
焊接式天然单晶金刚石刀具
Development of polycrystalline diamond composite and its drilling bit for oil and gas
金刚石复合片及其石油、天然气钻头发展概况
Raman and PL Spectra Studies of Natural and HPHT Synthetic Diamonds
天然与高温高压合成金刚石的RAMAN与PL光谱研究
And yet pure iron is scarcer than gold or diamonds.
然而纯铁比黄金或金刚石还罕见。
grindstone ,of agglomerated natural or synthetic diamond, without frameworks, with or without parts of other materials
磨石,以凝集的天然或人造金刚石制,不带框架,不论是否有其他材料的零件
natural or synthetic millstone of agglomerated diamond without frameworks ,with or without parts of other materials
磨石机,以凝集的天然或合成金刚石制的,不带框架,不论是否有其他材料的零件
any of various forms of aluminum oxide occurring naturally as corundum.
任何天然以刚石形式存在的氧化铝。
Diamonds are the hardest substance in nature.
⑵金刚石是自然界最坚硬的物质。
Ruby is less valuable than diamond .
红宝石不如金刚石贵重。
mining for gold, diamonds, etc
开采黄金、 金刚石等.
natural diamond nuclear radiation detector
天然金钢石核辐射探测器
The corundums, coated with a special resin, are sawn by thin diamond-polished blades. The discs are then separated, cleaned and sorted.
用极薄的金刚砂抛光锯片，将外涂特殊树脂的金刚石切成若干圆片，然后将圆片分离、净并分类。
machine set bit
机镶细粒金刚石钻头
screw-feed diamond rig
螺旋给料式金刚石钻机