查询词典 beryllium

Fabrication of a beryllium mirror used in optical system.

光学系统用铍镜的制备。

BACKGROUND AND AIM: To explore the cytotoxicity and genotoxicity of beryllium sulfate to human embryonic lung fibroblastin vitro .

背景与目的：探讨硫酸铍对体外培养的人胚肺成纤维细胞的细胞毒性和遗传毒性。

The effect of aging process on mechanical property and conductivity of low beryllium bronze was studied.

两种时效制度下均未出现明显的晶界反应。

According to the mechanics property of the beryllium bronze and the structure of the part,the forming characteristics of the bending part is analyzed.

从铍青铜的力学性能和零件的结构要求入手，分析了弯曲件的成形工艺特点。

The primary mirror is 85 cm in diameter, f /12 and made of beryllium and was cooled to 5.5 K .

在主镜的直径为85厘米，f / 12和铍提出，并冷却到5.5 亩。

The effects of preheating on temperature and stress fields of beryllium ring during laser brazing process were studied.

研究预热对铍环激光束钎焊过程温度场和应力场分布的影响。

Beryllium has valence 2 in all its compounds, which are generally colourless and taste distinctly sweet.

铍在所有化合物中的原子价都是2，这些化合物通常都无色，有独特的甜味。

Beryllium contributed to the development of atomic energy and high-speed aircraft.

铍对原子能和高速航空器的发展贡献巨大。

Once inhaled, beryllium is like a time bomb in the body.

一旦人体吸入这些物质，铍就象在身体里的定时炸弹。

Suitable metals and alloys include aluminium, bronze, beryllium, chromium, columbium, constantan, copper and copper alloys, gold, nickel and nickel alloys, lead, magnesium, molybdenum, niobium, platinum, silver, stainless steel, mild steel, tin, titanium, tungsten, vanadium, zinc and zirconium.

适用于金属和合金包括铝，铜，铍，铬，铌，镍铜合金，铜及铜合金，金，镍和镍合金，铅，镁，钼，铌，铂，银，不锈钢，低碳钢，锡，钛，钨，钒，锌，锆。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。