查询词典 diamond-shaped

In order to solve the problem of low efficiency and short service life of hot pressed diamond bit when drilling in hard and compact formation, relations between diamond exposure of hot pressed bit and rock abrasiveness were analyzed in this paper. Research on matrix performances of hot-pressed diamond bit was firstly carried out.

针对在硬而致密岩石中钻进时效低的难题，本文分析了碳化钨基热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于全刚石出刃，从而能提高钻进速度。

He is the Chairman of Board and President of Beijing Jinfangzi Diamond Co, Ltd, the Vice Director of the Gemmological Association of China, the Vice Chairman of the Bijouterie Professional Committee, the Diamond Grade Appraiser of Beljian Diamond HRD, the Director of the Wealth Jewelry Weekly.

现任北京金房子钻石有限公司董事长兼总经理、中国宝玉石协会副会长、中国珠宝首饰专业委员会副主席、比利时钻石高阶层议会钻石分级鉴定师、《财富珠宝》周刊理事长。

Visit the Diamond Education Center and learn about diamond cut and color , diamond certification , and more.

参观钻石教育中心，了解钻石切割和颜色，钻石认证，等等。

Our products mainly include resin bond diamond grinding wheel, metal bond diamond grinding wheel, adamantine drill, geological drill as well as other diamond products made upon the demands of the customers.

主要产品有：树脂结合剂金刚石砂轮、金属结合剂金刚石砂轮、金刚石工程钻头、地质钻头及根据客户所需求的各种金刚石制品等。

The wetting mechanism of metal alloy containing strong carbide-forming elements to diamond surface and the technique of diamond surface metallization are fundamental to the manufacture of single-layer brazing diamond tools.

含强碳化物形成元素合金对金刚石表面浸润的机理与金刚石表面金属化技术是钎焊制造单层金刚石工具的技术基础。

This paper studies depression in the hot cathode glow discharge PCVD method of diamond films influence in the process, mainly from two aspects of research: a study of the process of discharge pressure of the impact of that pressure on the technology, the impact of state discharge , as well as pressure and discharge voltage of the relationship between the two, and experiment with different pressure, relative to the preparation of samples, and using Raman instrument and SEM analysis of the quality of the film, by comparing the different types of gas pressure on the quality of diamond films, summed up the most good gas pressure parameters of a high-quality diamond films.

本文研究气压在热阴极辉光放电PCVD方法制备金刚石膜过程中的影响，主要是从两个方面进行研究：一，研究制备过程中气压对放电的影响，得出气压对工艺，放电状态的影响，以及气压和放电电压的关系；二，采用不同气压进行实验，制备出相对应的样品，并用Raman和SEM等仪器对膜进行质量分析，通过对比不同气体压强对金刚石膜质量的影响，总结最佳气体压强参数，制备出高品质金刚石膜。

Are some of our best selling products.We are amongst the very few who export Platinum Diamond Jewelry, Yellow Gold Diamond Jewellery, White Gold Diamond Jewelry 18 kart, 14 kart, 10 kart and 9 kart.

我们是极少数人的其中出口白金钻石首饰金黄色钻石珠宝白金钻石首饰(1814kartkart珍宝kart和9kart)。

Our company mainly produces with the sales rough diamond tool (Jin'gang pen, grinding wheel knife, four angular cutters) the diamond ultra hard wear-resisting component:Diamond bearing support diamond cutting tool and so on.

我公司主要生产和销售天然金刚石工具金刚笔、砂轮刀、四角刀）金刚石超硬耐磨器件：金刚石轴承支撑金刚石刀具等。

Though it may be of lesser value than the white diamond, enabling you to purchase a higher carat black diamond, the warmth and beauty of a black diamond ring can surpass a white diamond ring.

虽然它可能是价值较低的比白色的钻石，让您购买更高克拉的黑色钻石，温暖和美丽的黑色钻石戒指可以超越白色钻石戒指。

Results of experimental research on diamond surface metallization with electrolyse plating and vacuum plating show that strength, thermal stability and penetration rate of metallized diamond are much better than that of nonmetallilized diamond, and performances of diamond plated with Ti are the best among all plated diamonds.

利用化学镀和真空镀 2种方法对金刚石表面进行金属化处理的试验研究结果表明，镀膜金刚石较未镀膜金刚石的抗压强度、热稳定性等性能和碎岩效果均有很大提高，其中真空镀Ti的效果最好。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。