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英文科技论文写作样式指南-符号用法和样式

2023-08-17 08:00 作者:DJ_Tokyo  | 我要投稿

英文科技论文写作样式指南-符号用法和样式

 

本文英文内容摘自

"Anne M. Coghill, Lorrin R. Garson. The ACS Style Guide: Effective Communication of Scientific Information, American Chemical Society: Washington, DC, 2006"

第二部分(Part 2. Style Guidelines

11章(11. Numbers, Mathematics, and Units of Measure

211

 

Usage and Style for Symbols

符号用法和样式

 

Ø  Define   all symbols for mathematical constants, variables, and unknown quantities the   first time you use them in the text. If you use them in the abstract, define   them there and then again at their first appearance in text. Do not define   standard mathematical constants such as π, i, and e.

Ø  第一次在文本中使用数学常量、变量和未知量时,请定义它们的所有符号。若在摘要中使用它们,则在摘要中定义它们,然后在它们第一次出现在文本中时再次定义。切勿定义标准的数学常数,如πie

 

Ø  Form   the plurals of mathematical symbols by adding an apostrophe and “s” if you   cannot use a word such as “values” or “levels”.

Ø  若不能使用诸如“values”或“levels”之类的单词,则通过添加撇号和“s”来形成数学符号的复数。

 

large r valueslarge r’s更好

 

Ø  Do   not use an equal sign as an abbreviation for the word “is” or the word “equals”   in narrative text.

Ø  切勿在叙述性文本中使用等号作为单词“is”或单词“equals”的缩写。

 

1PV = nRT, where P is pressure(而非where P = pressure

2when the temperature is 50 °C(而非when the temperature = 50 °C

 

Ø  Do   not use a plus sign as an abbreviation for the word “and” in narrative text.

Ø  切勿在叙述性文本中使用加号作为单词“and”的缩写。

 

1a mixture of A and B(而非a mixture of A + B

 

Ø  Do   not use an asterisk to indicate multiplication except in computer language   expressions.

Ø  除非在计算机语言表达式中,否则不要使用星号表示乘法。

 

 


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