By changing weakly-bonded materials and adding strengthened granular graphite to bit matrix,the diamond exposure of bit was improved.
针对坚硬致密岩石钻进中遇到的钻头打滑、钻进效率低的问题,通过改变弱包镶材料,加入强化的石墨颗粒,进行试验与研究,获得了颗粒状石墨能提高金刚石出刃的初步效果。
Coccolith index distribution pattern(the relationship between coccolith abundance and water depth)in submarine sand ridges of the south Yellow Sea is built up based on the coccolithophore ecological character.
将沉积物中的颗石作为一种特殊的沉积颗粒 ,根据颗石藻的生态特点 ,建立了海岸带环境中颗石丰度与水深关系的标准分布模式。
Such standard distribution is proposed based on the ecological cha racter of the coccolithopora.
以工作区南黄海辐射沙洲海区为例，探讨了颗石的滨浅海环境中的标准分布，并以这种标准分布模式为基础，通过工作区采集的大量样品，得出该海区各主要潮流深槽及沙脊的沉积特征。
A case of stellate spontaneous pseudoscars is reported firstly in China.
报告星状自发性假瘢1例。
granular graphite cooled reactor
颗粒状石墨冷却反应堆
Coating Uniformity of Ni/C Composite Particles
镍包石墨(Ni/C)微颗粒镍镀层的均匀性
Electroless Copper Plating on Ceramic Particles and Microstructure and Property of Ceramic Particles /C-Cu Composites;
陶瓷颗粒化学镀铜及陶瓷颗粒/石墨—铜基复合材料组织和性能研究
Fabrication and Characterization of Graphene-gold Nanoparticles Composites
石墨烯—金纳米颗粒复合材料的制备与表征
Technology for Electroless Copper Plating on Graphite Powders and Its Efficacy
石墨颗粒表面化学镀铜的工艺及其效果
Preparation and Characterization of Graphite/nano-ZrO_2 Composite Powders
石墨/纳米氧化锆复合颗粒的制备及表征
Research on the Synthesis of Nanodiamond by Laser Irradiation on Graphite Particles Suspended in Water;
激光轰击水中悬浮石墨颗粒合成纳米金刚石的研究
Made of or resembling grain; granular.
颗粒状的包含颗粒的或类似颗粒的；颗粒状的
The Preparation of Zirconia/Graphite Compound Mold Core and Investigation on the Cooling Ability of Metal Grains;
氧化锆/石墨复合型芯的制备及固态金属颗粒冷却能力的研究
Microstructure and Properties of Ceramic Particles/carbon Fibre Hybrid Reinforced/Cu-graphite Composites;
陶瓷颗粒—碳纤维混杂增强铜—石墨基复合材料的组织与性能研究
Effects of Graphite Carbon Nanoparticles on Cell Growth in Vitro;
石墨碳纳米颗粒对体外培养细胞生长特性的影响
Study of New Graphite Particle/Al Alloy Matrix Self-lubricating Bearing Material
新型石墨颗粒/铝合金复合自润滑轴瓦材料的研究
Effects of Compressive Stresses on Coefficient of Thermal Expansion of Fine-Grained Isotropic Graphite
压应力对各向同性细颗粒石墨热膨胀系数的影响
Effects of graphite carbon nanoparticles on cell growth curve and cycle in vitro
石墨碳纳米颗粒对体外培养细胞生长曲线及周期的影响
Study on Dislocation Damping Mechanism of Macroscopic Graphite Particulates Reinforced Commercially Pure Aluminum Metal Matrix Composites
宏观石墨颗粒增强工业纯铝金属基复合材料位错阻尼机制的研究
made grainy or formed into granules.
粒状的或由颗粒形成的。
Three kinds of state of arscnopyrite are developed at the deposit, i. e. corse-grained arsenopyritc, veinlet arsenopyrite and arsenopyrite-bearing quartz vein, and fine-grained disseminated arsenopyrite.
毒砂可划分为大颗粒毒砂、细脉状及毒砂石英脉中的毒砂和细粒浸染状毒砂三种性状.
bridging solid shape
暂堵剂固体颗粒形状