第一次分离出能致癌的变异基因。
The first mutated genes capable of causing cancer were being isolated.
包括一次分离、化学改性、二次分离三部分。
The process comprises the three parts of a first separation, chemical modification and a second separation.
这是一种不健康的上瘾，每一次分离，就会把人栓得更紧，更觉越来越绝望。
In this unhealthy addiction, with each separation the addict hangs on tighter, feeling ever more desperate.
但一次分离达不到分离要求，所以可以进行两次分离来满足要求。
But it can not reach the separation request at once time, so can proceed the two separation to sati...
这样，HT-毒素完成一次分离需要80分钟，可分离到13个组分。
Thus it needed 80 minutes to finish the seperation, and 13 fractions could be isolated from HT-toxin.
再一次分离出来的油份，通过填料过滤层外缘的凹槽，亦将由回油管回到底部的油室。
Once again the separated oil share, through the outer packing filtration layer grooves, also will be back to the bottom of the tubing oil room.
研究工作场所环境空气中二甲基甲酰胺、十一烷和丁酮混合物一次吸附、一次分离的定量分析方法。
Objective To study the analysis method of samples including a combination of dimethylformamide, undecane and butanone in the air of workshop.
摘要 ：首次采用反相中压制备色谱从芦荟中一次分离制备得到芦荟苷A、B以及异芦荟色苷D。
Abstract : A medium pressure preparative liquid chromatography (MPLC) was used to isolate the aloins A and B and isoaloeresin D from Aloe vera simultaneously for the first time.
“对于点火并试图扑灭它的行为我受到上帝永久的谴责。”作者在1973年如此写道，此时正值他们第一次分离期间。
"I am forever punished by the gods for being given the fire and trying to put it out," the actor wrote in 1973, around the time of their first separation.
有的人是学习上的，有的人是家里的的……可是谁的烦恼会和我一样呢？仅仅一次，一次分离，让我的心被无数把利剑刺痛。
Some people are learning, some people are home... But who worries will like me? Only once, a separation, let my heart be countless sword sting.
经过了一次艰难的分离，你的思想就会强迫自己克服它。
By living through a difficult separation, your mind forces itself to cope.
美国曾答应苏丹，它会和苏丹建立正常的关系，用此来换取一次和平的分离。
America had promised Sudan that it would start normalising relations in exchange for a peaceful separation.
表示形式与内容的分离，这样您仅需指定它们一次。
Separation of presentation attributes from content so you only specify them once.
最后，我说，“这样，罗玛，我与你分离过一次，但我再也不想与你分离了。”
Finally, I speak: "Look, Roma, I was separated from you once, and I don 't ever want to be separated from you again."
不需要分隔符将每次传播与下一次传播分离。
No delimiters are required to separate each propagation from the next.
研究者发现四个分离的银河系星云正在进行三重合并，这也是这种情况第一次被记载。
The researchers found that four separate galaxy clusters are involved in a triple merger, the first time such a phenomenon has been documented.
经过几天的生长和分离，每个容器中的细胞都被又一次使用表面标记方法检查，去分辨是T细胞还是髓细胞。
After growing and dividing for several days, the cells from each container were examined, again by surface tags, to see whether t cells or myeloid cells were present.
有一次你身穿黑色外套，与埃米莉亚·利斯特一起去剧院看戏，当时正值我们被迫分离的时候。
Once you were in a black dress, going to the theatre with Emilia List; it was during our separation.
然而他们注定不会分离。 几十年来，劳拉一次又一次地在克莱门斯的梦中出现。
Yet they did meet, time and again, over the years, in Clemens’ dreams.
图5.Parsedrecordsequence——只要解析器能够确定一次传播在何处结束和下一次传播在何处开始，则不需要任何分隔符将每次传播与下一次传播分离。
Figure 5. Parsed record sequence — No delimiters are required to separate each propagation from the next, as long as the parser can determine where one propagation finishes and the next starts.
在技术人员们将上周五掉落的一个主要的分离螺帽重新安装好之后，NASA(美国航空航天局)的发现号航天飞机正准备最后一次飞向太空。
Nasa's shuttle Discovery is getting ready to blast off into space one last time, after technicians reattached a main separation nut that fell off on Friday.
在此之后，神舟八号将会分离，退回到大约140米远的地方，然后再次对接，以验证第一次对接不是侥幸成功。
When those 12 days are up, Shenzhou 8 will detach, retreat to about 460 feet (140 meters) away, then dock again, to prove the first time wasn't a fluke.
可惜事实上，根据一次世界大战是留下的一部叫做“家庭分离补偿”的法律，带了戒指的士兵每月可以多领250美元补偿费。
But in fact, a soldier with a ring on their finger is entitled to an extra $250 a month based on a piece of legislation left over from WWI called Family Separation Allowance.
经过旋流导向叶片脱油后的空气，继续向上经过填料过滤层，将空气中的油份及其它杂质再一次的进行分离和过滤。
After turning vane rotary flow off the air after oil, continue to up after packing, will the air filter layer of oil and other impurities again for the separation and filtering.
我们总是害怕每一次的分离又憧憬每一次的相遇。
We are always afraid of each time separation and looking forward to meet every time.
多数人的第一次感到害怕，发生在婴幼期里他们开始想象他们是与所有他们周围的其他事物分离的那一刻。
Most people's first experience of feeling afraid occurs during infancy when they begin to conceive that they are separate from everything else around them.
多数人的第一次感到害怕，发生在婴幼期里他们开始想象他们是与所有他们周围的其他事物分离的那一刻。
Most people's first experience of feeling afraid occurs during infancy when they begin to conceive that they are separate from everything else around them.
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