单词：phosphate buffer
单词：phosphate buffer 相关文章
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
今天我们要学的词儿是buffer。 Buffer是缓冲的意思。Buffer state意思是缓冲国，buffer zone则指缓冲地带。以色列军方为了防止巴勒斯坦激进分子的火箭袭击，打算在加沙地带的边儿上建立一个缓冲
英语每日一词
Russia has agreed to withdraw its troops from controversial buffer zones it had set up around Georgia's breakaway provinces of South Ossetia and Abkhazia. VOA Moscow Correspondent Peter Fedynsky reports the announcement by the Russian president was
VOA标准英语2008年（九月）
The U.N. refugee agency says it finally has succeeded in entering the so-called buffer zone north of the town of Gori in Georgia. Lisa Schlein reports from UNHCR headquarters in Geneva the zone is controlled by Russian military forces and has been o
VOA标准英语2008年（九月）
今天我们要学的词儿是buffer。 Buffer是缓冲的意思。Buffer state意思是缓冲国，buffer zone则指缓冲地带。以色列军方为了防止巴勒斯坦激进分子的火箭袭击，打算在加沙地带的边儿上建立一个缓冲
英语单词荟萃