1) Involutive Operator
对合运算
2) logarithm
[英]['lɔɡərɪðəm] [美]['lɔgə'rɪðəm]
对数运算
1.
This article uses the excellent property of the high-precision logarithmic IC LOG104to solve the problem,which is caused by the d isorder of the Wheatston strain bridge’s constant voltage supply.
利用高精度对数运算放大器LOG104的优良对数运算功能,解决了工业测量中Wheat-ston恒压应变电桥桥源失调对测量电路的误差影响。
3) dual operations
对偶运算
1.
By discussing the content of dual operations,dual figures and dual principle,the article puts forward the concept of dual method, and expound further the use of dual principle and dual method in the higher geometry and wide use in other subject
本文通过论述对偶运算、对偶图形、对偶原理等内容，提出了对偶方法的概念，并阐明对偶原理及其方法在高等几何中的作用与其他学科中的广泛应
5) symmetry operation
对称运算
6) compositional operations
合成运算
1.
Based on the vague set theory,the vague relations and relevant compositional operations are systemically studied by introducing the definitions of vague sets/norms and their properties so as to give the definitions of general relations between vague sets including reverse,null and identical relations.
基于Vague集理论,系统研究了Vague关系及其合成运算。
2.
The problems of Intuitionistic Fuzzy Relations and the compositional operations on Intuitionistic Fuzzy Sets by Atanassov, which is a significant extension of fuzzy set theory by Zadeh, are systemically investigated.
系统研究了作为Zadeh模糊集理论重要扩展的Atanassov直觉模糊关系及其合成运算。
3.
Finally,the notes of interval-valued intuitionistic fuzzy compositional operations were defined and their fundamental proper.
最后定义了区间直觉模糊合成运算,研究了它们合成运算的基本性质。
补充资料：对苯醌合对苯二酚
分子式：C12H10O4
分子量：218.21
CAS号：106-34-3
性质：有金属光泽的绿色结晶。熔点171℃。熔于醇、醚、氨和热水，微溶于冷水，不溶于石油醚。见光后成红棕色，有特殊气味。
制备方法：将100g铁钡（硫酸高铁铵）溶于65℃的300ml水中；将25g对苯二酚溶于100ml水中。然后将铁矾溶液加入搅拌中的对苯二酚溶液中，即析了针状结晶。冷却，过滤，用冷水洗涤，晾干，得产品15g。
用途：用于醌氢醌电极（酸碱度测定）。
分子量：218.21
CAS号：106-34-3
性质：有金属光泽的绿色结晶。熔点171℃。熔于醇、醚、氨和热水，微溶于冷水，不溶于石油醚。见光后成红棕色，有特殊气味。
制备方法：将100g铁钡（硫酸高铁铵）溶于65℃的300ml水中；将25g对苯二酚溶于100ml水中。然后将铁矾溶液加入搅拌中的对苯二酚溶液中，即析了针状结晶。冷却，过滤，用冷水洗涤，晾干，得产品15g。
用途：用于醌氢醌电极（酸碱度测定）。
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