Screw while having dry absorption capacity, but it must be to prevent the stem turn, so as not to scratch the surface of the work.
螺杆泵虽然具有干吸能力，但是必须防止干转，以免擦伤工作表面。
The reason embryonic stem cells are valued by scientists is that the cells' descendants can turn into any other sort of body cell.
科学家们认为胚胎干细胞有价值是因为，胚胎干细胞可以发育成为任何其他种类的体细胞。
Therapies using stem cells, or cells derived from embryos that can turn into myriad cell types, can potentially restore normal hearing.
干细胞(也就是可分化为胚胎来源、可分化为多种细胞的细胞)疗法，可能恢复正常的听力。
Scientists are using a new stem cell technique allowing them to turn skin from patients into small pieces of brain.
科学家使用一种新的干细胞技术，使他们可以将病人的皮肤转变为小块的大脑。
They are a special risk with stem cells precisely because such cells can turn into any other sort.
对干细胞来说他们是一种特殊的风险，因为这种细胞能分化成任何其他种类。
Scientists found that when human stem cells are exposed to adenovirus-36, they turn into fat cells.
科学家发现当人类干细胞感染了腺病毒- 36，它们就变成脂肪细胞。
The research centres around stem cells - the body's 'mother' cells which can turn into any other type of cell.
这项研究关键在于干细胞------身体的“母”细胞，它能转变成任何种类的细胞。
Her team is now testing to see whether stem cells will turn into endothelial cells in the channels and into muscle cells elsewhere.
她的团队正在实验，以测试干细胞是否能变成管腔内的内皮细胞和各处的肌肉细胞。
Expose stem cells to flowing fluid, for instance, and they turn into blood vessels.
例如，将干细胞置于流动的流体中，它们就能生成血管。
Skin cells can be regressed to make stem cells, which in turn can be grown into a range of replacement tissues and organs.
皮肤细胞可以退化成干细胞，而这种干细胞可长成各种移植组织和器官。
Nishimura had previously discovered the stem cells within hair follicles and showed that their depletion during aging causes hair to turn gray.
西村之前就已发现了毛囊中的干细胞，并显示出衰老时干细胞的消耗导致了毛发变白。
Dr Yamanaka's team has, for instance, been able to persuade its stem cells to turn into nerve cells and heart cells.
比如，Yamanaka博士的团队已经可以让这些制造出来的干细胞转换成神经细胞，心脏细胞。
Starting at the valve stem you give a quarter turn, and then count three spokes and tighten a quarter turn, and so on around the wheel.
阀杆日开始，你给一个四分之一转，再算上三辐条和加强四分之一转，因此左右车轮上。
The trick that Geron's researchers have learned is how to turn embryonic stem cells into cells called oligodendrocytes.
Geron研究员的策略是学会如何使得胚胎干细胞分化成少突胶质细胞。
The dollar's weakness over the spring and summer helped stem the outflow of capital from China that had threatened to unmoor the yuan and so unsettled global financial markets at the turn of the year.
美元在春夏两季中的弱势曾对阻止早在年初就已威胁要解缆人民币、进而一度令全球金融市场动荡不安的资本从中国的外流起到帮助作用。
Press down on knob and turn clockwise one full turn to properly engage threads on stem boss.
将旋钮压下，顺时针旋转一整圈，使其完全嵌入到阀杆轮箍的螺纹里。
Chemicals and hormones are then added to encourage the stem cells to turn into liver tissue.
然后加入相关的化学物质和激素，促进干细胞向肝组织转变。
In the new study, however, researchers were able to take cells from men's testicular tissue, isolate stem cells, and turn them into insulin-secreting islet cells.
然而在这项新的研究中，研究人员能够从男性的睾丸组织提取细胞，分离干细胞，使之成为能够分泌胰岛素的胰岛细胞。
The stem cells themselves are extracted from cattle muscle and then multiplied a millionfold before they are put in Petri dishes and allowed to turn into muscle cells.
那些干细胞从牛肌肉中提取，在放入培养皿和变成肌细胞之前，干细胞还要经过上百万次繁殖。
Scientists shave long known that stem cells, applied at the point of injury, can actually turn intonew muscle cells.
科学家早就知道干细胞作用于伤患处可以变成新的肌肉细胞。
The quarter turn graduations on the sleeve, with the scribed line on the stem, provide for approximate flow measurement.
在套筒上四分之一转的刻度，以及阀杆上的刻痕，显示大约的流量测量。
Also known as butterfly flap valve imports, is to open and close with a round disc with the stem pieces and turn to open, close and adjust the fluid channel of a valve.
进口蝶阀又叫翻板阀，是用圆形蝶板作启闭件并随阀杆转动来开启、关闭和调节流体通道的一种阀门。
A mouse study found that endurance exercise influenced mesenchymal stem cells to turn into bone rather than into fat cells, leading to more oxygen carrying capacity and better immune function.
一项对老鼠的研究发现，耐久力训练会影响间叶干细胞转化成骨质而非脂肪细胞，这使得运氧容量的增加和抵抗力的增强。
The implant is created by placing the stem cells into an FDA-approved scaffold that mimics the conditions needed to turn stem cells into fat cells.
制造移植物的方法只，将干细胞植入到FDA批准的支架内，模仿干细胞转化成脂肪细胞的条件。
The only time cells truly have the potential to turn into any and all body parts is very early in a pregnancy, when so-called stem cells haven't begun to specialize.
细胞真正具有潜势转变成机体的任何部分或全部的唯一时期，是在妊娠的极早阶段，也就，是所谓的干细胞尚未开始特化的时刻。
The patent office just upheld a key embryonic stem cell patent, the latest turn in a long fight over some intellectual property that's central to the whole field.
专利局刚刚批准了一项重要的胚胎干细胞专利，这是在对整个领域都至关重要的知识产权问题上的长期战争的最新转折。
They are resistant to traditional therapy designed for cells that rapidly turn over because stem cells don't, according to some researchers.
有些研究人员认为，这些细胞对传统的治疗方法有耐药性。
The Japanese team used mouse stem cells - immature cells that have the ability to turn into many types of body tissue.
这个日本的研究小组使用了老鼠的干细胞——有能力转变为多种体组织的未成熟的细胞。
When scientists take stem cells and turn them into specialized cells, they do so by changing the levels of a few transcription factors, he explained.
他解释说，当科学家提取干细胞并将其转化为特化细胞时，所做的就是改变某些转录因子的水平。
When scientists take stem cells and turn them into specialized cells, they do so by changing the levels of a few transcription factors, he explained.
他解释说，当科学家提取干细胞并将其转化为特化细胞时，所做的就是改变某些转录因子的水平。
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