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- Keywords lanthanum;glass formation area;devitrification;high refractive index and low chromatic dispersion; 镧;玻璃形成区;析晶;高折射率低色散;
- glass formation area 玻璃形成区
- Accordingly, five immiscibleW-based binary fcc-bcc and hcp-bcc metal systems, i.e, Cu-W, Ag-W, Au-W,Sc-W and Y-W systems, and miscible Co-Nb systems, were selected to studythe formation of metastable phase selection and glass formation ability. 为此,本论文选择了五个生成热为正的W基二元fcc-bcc和hcp-bcc金属系统,即:Cu-W、Ag-W、Au-W、Sc-W和Y-W系统,和一个生成热为负的Co-Nb系统来研究其亚稳相选择和非晶形成能力。
- In order to control temperature during the process of float glass formation, it is necessary to arrange some water coolers in tin bath.Defects are usually caused by leakage from these water coolers. 浮法玻璃在成形过程中,为了控制好各成形阶段的温度,调节锡槽的温度分布,在锡槽中布置一些冷却循环水包,由于水包漏水将形成玻璃缺陷。
- Hydrate formation area per unit volume 水动力学模型计算时的水合物的剪切率
- equivalent fume - formation area 等效发尘面积
- Effects of protect gas on float glass formation 浅淡保护气体对玻璃成形的影响
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- Kinetics Study on Titanate Glass Formation 钛酸盐玻璃形成的动力学研究
- The results show that,as TiO_2 content increases and B_2O_3content decreases in the glasses,the critical cooling rate of the glasses increases,and the glass formation becomes more difficult. 结果表明,随玻璃组份中 TiO_2含量的增加、B_2O_3量的减少,玻璃的临界冷却速率值增大,玻璃形成趋于困难。
- The glass formation, structure and the structure change effected by heat-treatment of BaOB_2O_3Al_2O_3SiO_2 (BBAS )system doped with Sm_2O_ 3 (BBASS)glasses ware investigated by the magic angle spinning nuclear magnetic resonance spectroscopy technology. 借助魔角旋转核磁共振技术,探讨掺Sm2O3后BaOB2O3Al2O3SiO2(BBAS)玻璃(BBASS玻璃)的形成、结构及热处理条件下玻璃结构的变化情况。
- Abstract: Glaciers in western China are one of the key elements driving changes of water resources because glacierized regions form the formation areas of many large river systems in the region. 摘要:近30a全球强烈变暖,水循环加快,冰川也加剧退缩。
- He looked through a pane of glass. 他从一块玻璃看过去。
- The car bumped and his forehead hit the glass. 汽车颠簸了一下,他的前额撞到了玻璃上。
- The milk slopped over the rim of the glass. 牛奶溢到玻璃杯外面来了。
- This piece of glass seems to be part of a lamp. 这片玻璃似乎是一盏灯的一部分。
- Swallow a glass of beer at one gulp. 一囗气喝下一杯啤酒。
- I cut my hand on some broken glass. 碎玻璃割伤了我的手。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- I ran up against a glass door and hurt my head. 我撞到一扇玻璃门上,把头撞伤了。