He says there is nothing new in the American position and that he expects a pretty calm reaction from Russia as long as the United States does not turn words into action.

VOA: standard.2010.07.05

So, a protein that has tyrosine and it has tyrosine in a position such that it's on the outside of the protein and accessible to chemical reaction can be phosphorylated.

所以,一种蛋白质中含有酪氨酸,并且该酪氨酸位于,像蛋白质的外侧这样的位置,这样才能够发生磷酸化反应

耶鲁公开课 - 生物医学工程探索课程节选

Some proteins can be switched from an 'off' position where they don't do anything to an 'on' position where they now do something by only a chemical reaction like this where a phosphorous is added.

一些蛋白质可以从关闭状态的,无所作为,到成为开启状态后,执行某种功能,中间只发生了一个引入磷酸基的化学反应

耶鲁公开课 - 生物医学工程探索课程节选

An instant reaction, because you're in the unique position to comment on what's happening there in Doha and, and what Patricia Hewitt was saying, and what they ought to be trying to achieve and whether you think they'll achieve it.

BBC: News | BREAKFAST WITH FROST | President of the World Bank James Wolfensohn

Since Kinect employs cameras to determine the position of various limbs, it can offer video calling and "reaction shots" as demoed in Microsoft's E3 press conference.

ENGADGET: Switched On: Token gestures

Several closely-packed cars were jostling for position at top speed when they got tangled up, setting off a dangerous chain reaction that ensnared a number of vehicles.

CNN: February 24, 2013 -- Updated 0407 GMT (1207 HKT)