| 1. | Dolomites usually have higher rhombic carbonate/cao ratio . 白云石通常具有较高的斜方晶碳酸盐CaO比例。 |
| 2. | Smoky quartz is the celebration stone for the 70th anniversary 晶系:六方晶系 |
| 3. | Dolomites usually have higher rhombic carbonatecao ratio 白云石通常具有较高的斜方晶碳酸盐cao比例。 |
| 4. | Dolomites usually have higher rhombic carbonate / cao ratio 白云石通常具有较高的斜方晶碳酸盐cao比例。 |
| 5. | Alpha alumina trigonal system 三方晶系 |
| 6. | Only at higher temperature the ttb sbn can be formed by the reaction of sn and bn phases 高温有助于斜方晶系结构的sn相和bn相转变为四方晶格钨青铜结构的sbn相。 |
| 7. | There are slight variations in the red color , depending on quality and the location origin , but the most valuable rubies are a vivid red color with a slight blue undertone 最初使用时,这一词表示天青石和其它不透明的蓝色矿物。蓝宝石属于刚玉族矿物,三方晶系。 |
| 8. | Xrd spectra show that the bulk gan particles are wurtzite structure , and the nc gan has small domain size and the structure of solid solution phase Xrd结果显示经由气凝法合成前后氮化镓均为一六方晶系结构,利用块状氮化镓生成的奈米粉体粒径微细且是一种固溶相结构。 |
| 9. | Transmission elector microscopy was used to observe zno nano - particles . the results indicated that zno appeard in spherical powder of hexagonal struture with the range of 30nm - 40nm 在透射电镜上对zno纳米微粒的表征结果为: zno微粒呈球状,六方晶型,粒度分布范围为30nm 40nm 。 |
| 10. | Some reflective bright lines just like the edges of the polygon can be seen in the surface of starch grains while prisms of calcium oxalate can be seen in the parenchyma tissue , which have n ' t been reported before 显微特征上,发现单粒和复粒淀粉粒表面有时可见类似多边形边缘的折光率较强的亮线,薄壁组织中可见草酸钙方晶,以往文献中未见记载。 |