chemistry n. 1.化学。 2.物质的组成和化学性质;化学作用[现象]。 3.〔比喻〕神秘的变化(过程)。 medical chemistry 药物学。 organic [inorganic] chemistry 有机[无机]化学。 the chemistry of logic 逻辑过程。
defect n. 1.缺陷,缺点,弱点;短处。 2.不足,缺乏。 have some defect in eyesight 目力不佳。 have the defects of one's qualities 美中不足之处。 in defect of 若无…时;因无。 vi. 叛变;逃走。 He defected to the West. 他叛逃到西方。
In order to eliminate the defects , especially te precipitates , cd1 - xznxte slices were annealed in cdzn vapor in the present researches . the variation of te - rich phases in morphology and sizes during the annealing and its effects on the optical and electrical properties of the crystals were examined in detail . the defect chemistry calculations were made 本文的主要内容就是研究退火过程中cd _ ( 1 - x ) zn _ xte晶体内富te相的形态、大小的变化及其对晶体光、电性能的影响,并通过缺陷化学计算,结合实际的退火实验,制定相应的退火工艺,改善晶体性能。