1) asymmetric transducer
不对称换能器
2) symmetric transducer
对称换能器
3) dissymmentrical transducer
非对称型换能器
4) Asymmetrical half-bridge power converter
不对称半桥功率变换器
5) asymmetric transformation
不对称转换
1.
Advances on the preparation of D-amino acids by asymmetric transformation;
不对称转换法制备D-型氨基酸的研究进展
2.
Preparation of D-(-)-Phenylglycine by the method of asymmetric transformation;
不对称转换法制备D-(-)-苯甘氨酸
3.
An asymmetric transformation from LHis to DHis through formation of salt with(R)tartaric acid was achieved by using salicylaldehyde as a catalyst for epimerization in acetic acid,and DHiso(R)TA salt was obtained.
L-组氨酸在乙酸溶剂中消旋最快,其合适的催化剂应是水杨醛;L-组氨酸以(R)-酒石酸为拆分试剂,在乙酸溶剂中,在水杨醛存在时进行不对称转换,合成了D-组氨酸的酒石酸盐,经处理得到D-组氨酸。
6) the dissymmetrical exchanges
不对称交换
1.
There are the dissymmetrical exchanges of presents in the countryside during the transitional period.
转型期农村社区中存在礼物不对称交换这一"社会事实"。
补充资料：不对
1.不答。 2.不合;不睦。 3.不够格。 4.不正常。 5.不正确，错误。
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