1) very weak acids
极弱酸
1.
A facile method of curve fitting of potentiometric acid-base titration data of very weak acids and bases;
一种简便的极弱酸碱电位酸碱滴定曲线拟合方法
2) Simultaneous determination of very weark acids or bases mixture
极弱酸或极弱碱混合物同时测定
4) weak acid
弱酸
1.
Performance of weak acid coating on latex glove surface;
乳胶手套表面弱酸涂层的性能(英文)
2.
The Improvements of the Test on Determining weak acid lonizational Degree and lonizational constant;
弱酸电离度和电离常数测定实验的改进
3.
This paper proposes that weak acid is a coordination compound that regards hydrogen ion as “coordination body” and regards acid radical as central atom.
本文首次提出将弱酸看成是以氢离子为“配体”，以弱酸的酸根为中心“原子”所形成的“配合物”，通过计算该“配合物”的生成函数Ｎ并绘制ＰＨ－Ｎ图，用Ｂｊｅｒｒｕｍ，Ｎ。
5) weak acids
弱酸
1.
This paper gives a new titrimetric method which is a buffered titration to be ablc to titrate weak acids and bases with dissociation constants less than 10 -7 .
对于离解常数小于１０－７的弱酸弱碱，给出一种新的滴定分析法缓冲滴定法。
6) weak polarization
弱极化
1.
A method of combining AC impedance and weak polarization technology to measure corrosion rate of metals is presented.
提出了交流阻抗和弱极化技术相结合的腐蚀速度测量的方法,并依此研制了CMB-4510腐蚀速度测量仪。
2.
The LR03 alkaline Zn-MnO2 batteries were discharged with constant load, which resulted in weak polarization in both the positive and negative electrodes of the batteries at the same time.
采用恒阻放电的方法使LR03碱锰电池正负极同时产生弱极化,使用铂丝作参比电极和Arbin电池测试仪跟踪记录极化数据及极化曲线。
3.
The results are compared with the dynamic potential scanning results in the weak polarization condition.
利用恒电量仪测定了钢筋混凝土中水灰比及二级粉煤灰含量对钢筋 (45 #钢 )的腐蚀行为的影响 ,并用恒电位仪的弱极化动电位扫描曲线解析结果与之比较 。
补充资料：“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小，但磁动性很强，可使局部磁场波动增强，促使氢质子弛豫加快，从而使T1和T2缩短，这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子，所以其离子往往具有PEDDPRE，可用来作顺磁性对比剂，如钆(Gd)。Gd在外层有7个不成对电子，具有很强的顺磁性。
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