大晶体的英文

macrocrystal

megacryst

• 大:    big; large
• 晶体:    crystal; vitrella; ...
• 长大晶体:    grown crystal

例句与用法

1. The alkali halides can be grown into large crystals of excellent transparency .
   碱金属卤化物能生成具有优良透明性的大晶体。
2. The alkali halides can be grown into large crystals of excellent transparency .
   碱金属卤化物能生长成具有优良透明性的大晶体。
3. To significantly improve both strength and durability of repair interfacial layer between old and new concrete , two attempts were firstly put forward in this thesis : ( 1 ) a kind of new modified primer would be produced by introducing shrinkage reducing admixture into cement mortar , which may both reduce the shrinkage of the interfacial layer , and lessen the content of large crystal in the repaired interface layer , accordingly , remarkably increase the van der waals force of interfacial layer
   为大幅度提高新老混凝土修补界面层的强度和耐久性，本文首次提出并实现两个设想： ( 1 )以国产减缩剂为外加剂，配制新型改性水泥砂浆界面剂。该界面剂既能减少界面层宏观干缩裂缝，又不增加大晶体，使界面层形成密实的微细观结构，显著提高粘结界面层内晶体间的范德华力。