掺杂一个纯半导体的产品。
在绝对零度时，纯半导体所有电子都紧紧结合在一起，因而显示出绝缘体的性质。
At absolute zero, a pure semiconductor has all of its electrons tightly bound and ACTS as an insulator.
掺杂质，掺质剂加入纯半导体材料中的少量硼等物质，用于晶体管和二极管中以改变半导体的。
A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.
高纯磷酸是指食品级磷酸和半导体级磷酸等高纯度、高浓度的磷酸。
High purity phosphoric acid means food grade, semiconductor grade and other high purity and high concentration phosphoric acid.
论述了聚合物管道的主要特性、焊接工艺及其在半导体、制药和生物工程等行业内高纯或超纯物料输送方面的应用。
Expound main features, welding procedure and application of high purity and super purity stream-conveying in semiconductor, pharmaceutical and biology Engineering of polymer pipeline.
纯晶态硼为黑色有光泽的半导体，硬度很高。
Pure crystalline boron is a black, lustrous, very hard but brittle semiconductor that does not occur naturally.
绿色环保型的半导体电光源，光线柔和，光谱纯，有利于人们的视力保护和身体健康。
Green environmental protection of semiconductor electric light source, the light is downy, spectrum pure, be helpful for people of visual acuity protection and healthy.
绿色环保型的半导体电光源，光线柔和，光谱纯，有利于人们的视力保护和身体健康。
Green environmental protection of semiconductor electric light source, the light is downy, spectrum pure, be helpful for people of visual acuity protection and healthy.
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