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- light barium flint glass 轻钡火石玻璃
- light barium flint 轻钡火石玻璃
- barium flint glass 晶质玻璃,钡火石玻璃,铅玻璃
- The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass. 透镜望远镜,或称折射望远镜,在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。
- In this paper, the authors studied the cause of coloration of flint glass in different melting processes and analized the Pt, Rh content of the melt. Then, by adding rhodium oxide to the glass, the minimum content of Pt, Rh for coloration was studied. 本文研究了不同的二次熔炼工艺制度下火石光学玻璃的着色,分析了玻璃中的铂铑含量,?K用加入不同量氧化铑的方法研究了玻璃着色的最低铂铑含量。
- An achromatic lens system may consists of several cemented or separated groups of orown and flint glasses. 一个消色差的透镜系统可由若干个互相贴合的或互相分离的、由冕玻璃和火石玻璃组成的组元组成。
- Flint glass burette with ptfe stopcock 聚四氟乙烯旋塞滴管
- Experience for Production of Flint Glass 高白料生产的几点体会
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- A light, sharp ringing sound, as of glass or metal. 叮当声轻快、清脆的铃声,如玻璃或金属发出的声音
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- The bright light of the car dazzled me. 这汽车的灯光使我目眩。
- barium flint 钡燧石
- He turned off the dash light and drove on. 他关掉仪表板上的灯,继续驱车前进。
- The light was diffused by the leaves. 树叶使光线漫射。
- A Study on Improving Chemieal Dur Ability?of Dense Flint Glass by Ion Exchange 离子交换提高重火石玻璃表面化学稳定性的研究
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- The light bulb in the kitchen burnt out. 厨房里的电灯泡烧坏了。