如同所有的电视一样,液晶显示器的塑料外壳经过溴化阻燃剂处理,内部线路用了各种有毒重金属,如镉,铬,锑,铍。
As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium.
它们不仅能够与许多过渡金属络合,而且能够与主族元素络合,比如铍、硫、碘等。
They not only bind to any transition metal, but also to main group elements such as beryllium, sulfur, and iodine.
利用声学扫描检测技术,提示了热烧毁的微波功率器件氧化铍陶瓷基片与底座金属散热片的焊接不良现象;
Burn-out of a microwave power device due to the poor bonding between beryllium oxide and base metal sink was investigated using Sound Scanning technique.
详细叙述了金属铍、铍铜合金、铍合金以及氧化铍在各方面的用途。
It details the applications of be metal, Be-Cu alloys and beryllia in different fields.
该方法利用现有仪器,通过改变测定技术和计算方法,可以无损测定铍等轻金属制品表面残余应力及沿层深的分布。
This technique used in the present analyzer can non-destructively measure light metals' residual stresses with depth resolution, such as beryllium, by altering measuring and evaluating method.
文章共分四个部分,即热等静压技术在钛合金、高温合金、铍材以及难熔金属等方面的应用。
The paper is divided into 4 parts, describing the applications and development of HIP technology in the field of Titanium based materials, Superalloys, Beryllium materials and Refractory metals.
简述了稀有金属铍主要特性和铍材在原子能、航天、科学仪器、仪表等世界高科技中的主要应用及我国铍冶金工业的生产、应用现状。
This paper describes the main character and important application of beryllium materials in the world high technology, as well as the production and application of beryllium in China.
低温冷冻氘氚靶对于惯性约束聚变研究至关重要,主要有塑料微球靶、金属铍球靶、泡沫球壳靶等。
The cryogenic deuterium-tritium targets are very important to laser inertial confinement fusion, and mainly adopts plastics capsule, Be shell, foam shell etc.
铍:碱土金属中最轻的化学元素,化学符号Be,原子序数为4。
Beryllium: chemical element, lightest of the alkaline earth metals, chemical symbol be, atomic number 4.
结果表明:金属铍的剩余电阻比不仅与时效温度和金属内杂质的浓度有关,而且受时效时间的影响;
The results show that the residual resistance ration relates not only to the aging temperature and the impurity concentration of the metal, but also to the aging time.
绿柱石是自然界重要的宝石矿物,也是金属铍的主要来源,在矿产资源中具有重要的战略意义。
Beryl is an important gem mineral and main source of beryllium which has significant strategic importance in mineral resources.
绿柱石是自然界重要的宝石矿物,也是金属铍的主要来源,在矿产资源中具有重要的战略意义。
Beryl is an important gem mineral and main source of beryllium which has significant strategic importance in mineral resources.
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