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- It has peculiar advantages to use lightweight Hollow Glass Spheres (HGS) to reduce the density of mud in riser in Hollow Glass Spheres Dual Gradient Drilling. 空心球双梯度钻井技术采用轻质空心球注入钻井液,对降低钻井液密度具有独特的优势。
- Keywords Low density drilling fluids;Drilling fluid additives;Hollow glass spheres(HGS);Light weight agents; 低密度钻井液;钻井液添加剂;中空玻璃微珠(HGS);减轻剂;
- Hollow glass spheres 空心玻璃微球
- hollow glass sphere 中空玻璃微球
- Inside the glass sphere were gardens, apartments, and a pool beneath a waterfall. 这个玻璃球里面有花园、公寓,还有上面是瀑布的一个游泳池。
- To get a projection focal length of 61 centimeters requires a glass sphere whose diameter is a whopping 2.4 meters. 要得到焦距61公分的投射镜,玻璃圆球的直径得大到2.;4公尺。
- Which LGF provided the sealants and adhesives are widely used in automobile, hollow glass and the aviation industry. 乐杰福所提供的密封胶和黏合剂广泛的应用在汽车,中空玻璃和航空工业。
- By spraying and coating the potassium carbonate solution onto the surface of glass spheres, the layering growth mechanism of granulating process was studied in fluidized bed. 通过在流化床中将碳酸钾溶液雾化后喷涂在处于流化状态的玻璃珠上,研究了流化床造粒过程的层式生长机理。
- The construction glassws include toughened glass, sandwich glass, hollow glass, bulled-proff glass and curved glass. 建筑用玻璃有钢化玻璃、夹层玻璃、中空玻璃、防弹玻璃和弯弧玻璃。
- We record what is happening in individual ganglion cells with a tiny, hollow glass needle. 我们利用一根微细的玻璃管来记录个别节细胞的活性。
- Polypropylene (PP) was filled by hollow glass beads (HGB) with different size to make composites. 采用不同粒径的中空玻璃微珠(HGB)填充聚丙烯(PP)。
- Currently, the products consist of toughened glass, interlayer glass, bulletproof glass, pickproof glass, fireproof glass, hollow glass and hot bending glass. 产品有钢化玻璃,夹层玻璃,防弹防盗玻璃,防火玻璃,中空及热弯玻璃。
- A big collision can also produce another kind of layer, too, by melting and vaporizing silicate rocks, which then condense into sand-grain-size glass spheres known as microtektites. 大型撞击事件也会造成另一种地层。矽酸盐岩石熔化与蒸发,随后会凝结成砂粒大小的玻璃珠,称为微玻陨石。
- Sound insulation prevents noise. The hollow glass of inclined housetop scuttle can be blocked go noise of 30 decibel above. 隔音防噪声。斜屋顶天窗的中空玻璃可以挡去30分贝以上噪声。
- In this paper, using organic silanes, the surfaces of the hollow glass microballoon were treated, their resistivity against water was improved. 用有机硅烷处理空心玻璃微球表面,改善了空心玻璃微球的耐水性。
- The voidage of hollow glass bead decreased with increasing fractal dimension of particle size distribution of hollow glass bead. 随着中空玻璃微珠粒度分布分形维的增加,其空隙率减少。
- Chemical component of one barrier sealant decides its physical properties and applicability,and affects tightness and transparence of hollow glass. 一道密封胶的化学成分决定着产品的物理性质和使用工艺适应性,同时对中空玻璃的密封性及透明性产生影响。
- Abstract: The influence of the wall thickness and filling gas procedure on the permeability of the hollow glass microspheres (HGM) were discussed. 摘 要: 以空心玻璃微球为研究对象,利用高压充气系统充气,测量了不同条件下玻璃微球对氘气在室温条件下的气体渗透系数。
- A new waterproof and thermal insulation paint made of materials such as elastic emulsion,hollow glass bead,diatomite,infrared reflection agent and amianthus is introduced. 利用弹性乳液、空心玻璃微珠、硅藻土、红外线反射剂、石棉绒等原料制得一种新型防水保温涂料。
- Standard Test Method for Roundness of Glass Spheres 玻璃球圆度的测试方法