bulk defects 中文意思是什麼
bulk defects
解釋
體缺陷-
Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems
接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案，樹狀結構吊裝機械及平面布置，樹狀結構胎架及節點的搭設，以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法，包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。 -
Irradiation defects decompounded and recombined with oxygen impurity and large quantity of nucleation centers were introduced in czsi bulk during annealing at 1100. in nitrogen atmosphere, more defects were induced in fast neutron irradiated czsi than in argon atmosphere
不同氣氛下快中子輻照直拉硅中缺陷形成的差異很大， 1100的高溫退火中，與氬氣氛相比，氮氣氛退火樣品中出現了更多缺陷。 -
Bulk crystals of cd1 - xznxte with high quality are very difficult to obtain. commercial cd1 - xznxte crystals usually contain defects such as twins, sub - grain boundaries, dislocations, and te precipitates. these defects will seriously deteriorate the optical and electrical properties of the crystals
為了提高晶體性能、減少或消除晶體缺陷，尤其是te沉澱和te夾雜，必須將cd _ （ 1 - x ） zn _ xte晶體在一定的溫度和氣氛條件下進行退火處理。
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