查询词典 diamond

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。

Orthogonal experimental method is applied to design experiments of diamond mill wear. Basalt is milled on CNC stone machine with electroplated diamond mill. The diamond mill is made with electroplated method and lost mass of diamond mill is measured with high precise balance.

采用正交实验方法设计金刚石铣刀磨损实验，在数控石材机床上铣削玄武岩，金刚石铣刀采用电镀法制造，铣刀磨损量采用高精密度电子天平测量。

The main products are: synthetic diamond grinding, grinding wheel series; Synthetic Diamond Cutting film series; synthetic diamond powder, grinding paste series; man-made diamond grinding head, grinding and carving tools, such as rods.

主要产品有：人造金刚石磨盘、磨轮系列；人造金刚石切割片系列；人造金刚石微粉、研磨膏系列；人造金刚石磨头、磨棒以及雕刻工具等。

Is China's largest manufacturer of diamond powder, and their products are expected to have broken diamond, diamond powder, diamond electric ferry (Ni / Cu / Ti) and so on.

聚晶金刚石企业有限公司是中国最大的金刚石粉生产企业之一，其产品有金刚石破碎料，金刚石微粉，电渡金刚石等。

With iron carbide, we have grown diamond layers on the surface of diamond and cBN seeds. The iron carbide not only nucleated and formed diamond crystal, but also grown diamond layers on different substrate under HPHT.

以铁碳化合物为原料在金刚石和立方氮化硼籽晶表面外延金刚石的实验表明，铁碳化合物不但可以在高温高压下成核形成金刚石颗粒，而且可以在同质或者异质基底上外延生长金刚石层。

We want to buy Diamond Wheel, Cbn Wheel, Diamond Toolings, Tungsten Carbide Drawing Dies, Diamond Drawing Dies, Tungsten Carbide, Toolings Diamond Cutting Tools and Machines

我们要采购金刚石砂轮， CBN砂轮，金刚石工具，碳化钨拉丝模，金刚石拉丝模，碳化钨工具，钻石切割工具和机器

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。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。