1) the secondary composition method
二次合成法
1.
Introduction to new construction technology of steel fiber reinforced concrete-the secondary composition method construction;
钢纤维混凝土二次合成法施工的探讨
2) two-step method
二次合成
1.
Quinary system piezoelectric ceramics PSN-PZN-PMS-PZT were prepared by using two-step method.
采用二次合成工艺得到了PSN-PZN-PM S-PZT五元系压电陶瓷。
3) second time well completion method
二次成孔法
1.
Aimed at large grain size pebble contained,pure sand,mainly friction pile constructing strata carry out large sized rotary inverse circulation pile construction,put forward three special operational technologies: basket dredging,small sized hole enable pebbles fallen into and second time well completion methods.
针对在含有大径卵石块的地层、纯砂层,以磨擦桩为主的地层中进行大孔径回转反循环桩施工,提出了三种特殊施工工艺:筐捞法,小径漏石法,二次成孔法。
4) secondary imagery method
二次成像法
1.
Measuring the refraction index of transparent glass-plate with secondary imagery method;
用二次成像法测量透明玻璃板的折射率
2.
Determination of the cardinal points of a compound optical system using secondary imagery method;
二次成像法测定光具组的基点
3.
This paper introduces the theory and method of using β and secondary imagery method to measure the focal distance and cardinal point of compound optical system.
介绍了用横向放大率β分别为-1和-2的二次成像法确定两薄透镜组成的光具组的焦距和基点位置的原理和方法。
5) burning process with secondary nodulization
二次成球法
6) twicefiring
二次烧成法
补充资料：乌尔曼二芳醚合成法(Ullmanndiarylethersynthesis)
【乌尔曼二芳醚合成法】(Ullmanndiarylethersynthesis)卤代芳烃和酚盐在铜粉或铜盐等缩合剂存在下，缩合（醚化）成醚的反应。这德国化学家乌尔曼（1875-1939）所创始。本反应的收率一般都较低。反应中可以吡啶为溶剂，以`Cu_2Cl_2`为缩合剂，使反应在均相条件下进行。本反应可用以制备3-苯氧基甲苯（即间甲基二苯醚）、3-苯氧基甲醛等，它们是拟除虫菊酯杀虫剂的中间体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条