Scientific writing tips
SIMPLE IS BEAUTIFUL!
Clear and concise technical writing
Plain English-Alternative words
See the section "Phrases you can omit": http://grammar.ccc.commnet.edu/grammar/concise.htm
http://home.comcast.net/~garbl/stylemanual/words.htm
See also a list of words and expressions to avoid and the text "How to write scientific papers" (thanks Alfons!):