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- Keywords silicon fluoride;silicofluoric acid;gold hydride;gold alloy hydride;Au;Ag;Cu;Fe;Cr carbonyl compounds;sellaite-fluorite type gold deposit;rock-and ore-forming mechanism; 氟化硅;硅氟酸;金氢化物;金合金氢化物;金、银、铜、铁、铬羰基化合物;氟镁石-萤石型金矿床;成岩成矿机制;
- gold alloy hydride 金合金氢化物
- Any gold alloy can be manufactured upon request. 任何黄金合金制成品可以根据请求。
- Tin in magma and magmatic hydrothermal solution migrates as forms of tin hydride and tin alloy hydride to shallow crust level which, then are oxidized to tin oxide, tin alloy mineral or combine with S, H2 S, forming tin sulfides. 在岩浆和热液中,锡以锡氢化物、合金氢化物迁移至地壳浅部,锡氢化物、合金氢化物被氧化成锡氧化物、合金矿物,或与硫、化氢作用形成锡的硫化矿物。
- Objective To study the relationship between the depth of abutment undercut and the retention of gold alloy clasp. 目的研究金合金卡环固位力与卡环臂进入基牙倒凹深度间的关系。
- The retention of gold alloy clasp on the molar was greater than that on the premolar in the same condition of undercut. 相同倒凹深度上,磨牙金合金卡环固位力比前磨牙大。
- The etching liquid etches the gold or gold alloy layer existing between the columns evenly. 该蚀刻液均匀蚀刻柱之间存在的金或金合金层。
- Gold and silver separating works, gold alloy, silver alloy, platinum alloy, palladium, palladium... 分类标题:银|贵金属和特种金属...
- A series of gold alloy standards applied to analyze major and minor metals in gold jewelry by XRF method have been created in this paper. 本文创造了一套金合金标准,用XRF法分析黄金首饰中的主、次元素。
- The etching liquid etches a gold or gold alloy layer formed on the surface of a substrate for a semiconductor device or a liquid crystal device evenly. 该蚀刻液均匀蚀刻在半导体器件或液晶装置用基片的表面上形成的金或金合金层。
- Under supergene conditions, aurosulfate complex, gold particle and gold alloy particle are the major forms for the transportation of gold. 在表生条件下,金硫代硫酸盐配合物、金粒子、金合金粒子是金迁移的主要形式。
- Within the elastic limit of the material,the relation between the retention of gold alloy clasp and the depth of abutment undercut showed positive correlation. 在卡环弹性极限内,金合金卡环固位力与卡环臂进入基牙倒凹的深度成正比。
- CONCLUSION: The gold alloy PFM crown has better properties than Ni-Cr alloy PFM crown as a kind of long-term restoration, especially on the aspect of shade. 结论:贵金属烤瓷冠是性能优良的长久性修复体,尤其在颜色方面优于镍铬合金烤瓷冠。
- The paper mainly summarized the small alloying additions added to the gold alloy for jewellery as the strengthener,deoxidizer,grain refiner and castability improver. 从提高强度、防止氧化、提高铸造性能以及细化晶粒几个方面综述了饰品金合金中微量添加元素的一些研究现状。
- The spangold alloy as well as its spangle and anti-spangle effects have very aesthetic and decorative values,the spangold alloy is a novel family of decorative gold alloys. “斯斑金”合金及其“斯斑”与“反斯斑”效应极具美学观赏价值与装饰效果,构成了金合金饰品的新家族。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- The gold was glinting in the sunlight. 金子在阳光下闪闪发光。
- Keywords hydrogen absorbing alloy LaNi 5 based alloy hydride stability XPS; 吸氢合金;镧镍系合金;XPS;吸氢性能;
- Casting investment for dental gold alloy 牙科用金合金铸造用包埋材料
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。