The results of crystal structure determinated by Four Circle Diffractometer and elementary analysis correct some mistakes in the writing of the molecular formula of SDA,besides,a reasonable molecular formula of SDA is also suggested.
结果表明在双乙酸钠分子中不存在相对独立的水分子或乙酸分子 ,为纠正目前在文献和应用上关于双乙酸钠分子式写法上存在的混乱 ,作者根据结构测定和元素分析等结果提出了双乙酸钠分子式的合理写法 :(CH3COO) 2 HN
A simple method for determinig molecular formula of polyacid form polyacid names is introduced in this Paper.
本文介绍了一种由多酸的中文命名来确定其对应分子式的简便方
In this papre three methods for calculating molecular formula of compounds are described by mass spectromery(MS),element analysis and 13C-nuccear megnetic resonance(NMR).
体文介绍了用质谱（ＭＳ）、元素分析和１３Ｃ－核磁共振（ＮＭＲ）法计算化合物分子式的三种方
Molecular form and stability of D-hydantoinase deleted at C-terminal residue Arg;
C-末端残基Arg缺失的D-海因酶的分子形式与稳定性
Aiming at molecular forms of action calculi, and the data flow analysis method for a single action based on the structural tree of molecular grammar and the implementation of the algorithms.
针对Action演算的分子形式,提出分子语法结构树等概念,并且给出基于分子语法结构树的一个动作内部数据流分析方法及其实现。
Creating molecular structure in databases;
基于网络数据库的分子结构式的动态显示
The processing of molecular structures in a Web based database is discussed in this paper.
讨论了在Web数据库环境中处理分子结构式的问题。
But it is difficult for chemist to input molecular structure by using Microsoft word.
icrosoftWord是一个强大的文字处理软件 ,但对于化学工作者来说 ,分子结构式的输入总是一件头痛的事 ,本文详细介绍了如何为MicrosoftWord的绘图工具栏中添加分子结构式的输入工具 ,以及如何使用此工具 ,图文并茂。
an expanded molecular formula showing the arrangement of atoms within the molecule.
表示分子中原子排列的扩展分子式。
The chemical formula for water is H2O.
水的化学分子式是H2O。
The molecular symbol for carbon dioxide is CO2.
二氧化碳的分子式是co2。
The chemical formula for water is H?O.
水的化学分子式是H?O。
The chemical formula for water is H0?.
水的化学分子式是H0?。
The formula which represents the composition of water is, then, ??
因此，代表水的成分的分子式就是?纭?/UK>
The precise molecular weight that is measured can be uniquely associated with a specific moleculer formular.
测得的准确分子量与具体的分子式完全吻合。
From the molecular formula alone, we can deduce the "degrees of unsaturation" in the molecule.
仅从分子式，我们就能推断分子中的“不饱和度”。
A symbolic representation of the composition or of the composition and structure of a compound.
分子式表示化学物质成分或组成方式的符号表达式
On the left of the equation we write the molecular formulas of all the ingredients or reactants.
在反应式的左侧我们写上全部反应物的分子式。
characteristic polynomial of a differential operator
微分算子的特征多项式
direct-reading molecular absorption spectrometer
直读式分子吸收光谱仪
circular heteroduplex
环式异源双链核酸分子
component proton precession magnetometer
分量质子旋进式磁力仪
Target tracking using distributed Unscented particle filter in sensor network
分布式Unscented粒子滤波跟踪
This gives us the structural formula of the molecule.
这种方式给出了分子的结构式。
ion-electron-optical analytical instrument
离子电子光学式分析仪器
a chemical formula based on analysis and molecular weight.
基于分析和分子量的化学式。
