Factors affecting the design and operation of a falling film molecular still are discussed.
文中并讨论了影响降膜式分子蒸馏器设计与操作的各种因素。
Established the conception of the efficiency of a pass through molecular distillation amount to the desired purity through several passes through the molecular still.
提出一次分子蒸馏过程相当于一块高效塔板的概念，经过多次蒸馏，馏出物纯度可以达到目标含量。
Yet in most cases of cancer doctors still base their treatment on where in the body a tumour has sprung up, rather than on which molecular aberrations have caused it.
而在大多数癌症病例中，医生们的治疗仍然基于人体中肿瘤出现的位置，而不考虑究竟是哪几种分子畸变导致了肿瘤的发生。
Still the molecular pathways underlying autism remain largely mysterious.
然而，孤独症背后的分子机制仍然是个大大的谜团。
It might not have any electrons in it, but it still exists, so you need to draw these into your molecular orbital diagram.
也许它里面没有电子，但它是存在的，所以你需要在分子轨道图里画出来。
While nanowires are still in an experimental stage, they may one day be used to link extremely small circuits in environmental and health sensors or other molecular machines.
虽然纳米金属丝尚属试验阶段，但是在未来他们绝对会成为环境和健康探测器上某一微小电路或者其他分子机器。
Why that is, is still up in the air, but we know a little bit and quite a little bit these days about the molecular and cellular biology that underlies exercise.
原因仍不为我们所知，但是这些天来，我们对锻炼背后的分子生物学以及细胞生物学稍稍有所了解。
Still, genetic engineering has not yet been used to successfully treat people, so any anti-obesity treatments using molecular shunts are years away, Liao said.
廖说：“然而，基因工程尚未成功用于治疗人类，所以任何利用分子分流器的减肥治疗还需要多年的时间。”
There's evidence that they play important roles, but the molecular underpinning of that is really still unknown.
有证据表明它们发挥可重要的作用，但是分子学基础仍未明确。
Such gene expression changes are the molecular basis of biological behaviors of malignant glioblastoma, but still not well known.
这些基因改变是胶质瘤恶性生物学行为的基础，但对此的了解还不是很清楚。
The molecular basis of this increase in mutation rate is still under debate, wrote Sinclair.
的分子基础的增加，突变率仍在辩论中，写道：辛克莱。
While the studies reported were still incomplete, it seemed to the conferees to be desirable, to minimize reactions, to avoid highly branched dextrans and preparations of high molecular weight.
尽管报道的研究不是很完善，但是对参加会议的人来说，减少不良反应，避免高度支葡聚糖和高分子配制剂看起来是可取的。
We are still very far from explaining how photochrome acts on a cellular or molecular level.
关于光敏色素怎样在细胞水平或分子水平上发生作用，我们现在还远远不能解释。
Still, untangling the vast web of genetic and molecular factors involved in learning will not be easy.
解开涉及学习的遗传因素和分子因素的庞大网络仍然不容易。
The research of the mechanism involves in biochemistry, molecular biology and blood dyscrasia, but it's center still is high blood sugar which causes a series changes of ischemia and hypoxia.
发病机制的研究涉及生物化学、分子生物学、血液异常的等方面，但其中心环节是高血糖和其引起组织缺血缺氧发生的一系列改变。
Further research was still needed, because we didn't found the steady amplification bands from SRAP Molecular markers in litchi.
对荔枝进行SRAP标记技术，尚未找到稳定的扩增条带，因此还需进一步深入研究。
The development of research has resolved in part many important problems, such as the origin and molecular mechanism of ovule ontogenesis. But these problems still require further study.
近年来，随着研究手段的不断改进，研究者对许多关键性的问题，如胚珠的起源、胚珠发生发育的分子机制已经有了一定的认识，但是这些问题并未得到圆满的解决。
However, the molecular basis of contact inhibition of locomotion and whether it also occurs in vivo are still unknown.
然而，接触性抑制移行现象的分子机制一直未被科学家破解。并且，科学家们现在还没在活体中发现这一现象的存在。
Presently, some aspects of the of the pathogen mediated induction of IFN gene expression are understood at molecular level, while others are still at the stage of description.
不久，一些方面那些病原体调停就职的IFN基因表示被理解分子水准，而其它人仍然在舞台的描述。
In his art, we celebrate world domination along marching knights with flags waving high. We also stand still next to the wise sages with molecular heads.
在他的艺术中，我们会如同骑士一般挥舞着高高的旗帜庆祝我们对世界的主宰，我们也会静静的站在智慧的哲人们由分子组成的脑袋旁边。
However, in clinical practice, there are still Jinsan Cheng patients to use the current world's most advanced molecular targeted therapies have no effect.
然而，在临床中，仍有近三成的病人使用了目前国际上最先进的分子靶向治疗药物却没有效果。
KRAS mutation frequency in tumor tissue, can be predicted non-small cell lung cancer molecular targeted therapy efficacy and prognosis, and molecular inhibitors of RAS genes is still in its infancy.
KRAS基因突变在恶性肿瘤组织中频发，可预测非小细胞肺癌分子靶向治疗的疗效和预后，针对RAS基因的分子抑制剂研究仍处于初级阶段。
But it is still unclear of the molecular mechanism of DFNA5 in the genetic disease and tumorigenesis.
但对DFNA5基因在细胞和分子水平作用机制仍不清楚。
The study results show that the subsidence volume has been a decrease along with the molecular weight dropping, the degree of hydrolysis rising or both varying, but it still has high reservation rate.
研究表明，聚合物分子量降低，水解度升高或者两者同时变化，沉降体积均减小，但是仍有很高的保留率。
The term "molecular weight" is often still used instead of molar mass, but this is not preferred because it can be somewhat misleading.
“分子质量”也常使用来代替摩尔质量，但不倾向使用因为它可能会引起某些误解。
However, the origin time inferred by molecular clock is always earlier than that by the fossil record. This approach is still controversial.
然而，利用分子钟方法所得出的不同门类起源时间总是早于化石记录，因此分子钟与化石记录的矛盾仍十分突出。
The molecular targeted therapy for esophageal cancer, still in its infancy, is also an important area of the study in future esophageal cancer treatment.
而对于食管癌的分子靶向治疗，目前尚处于萌芽阶段，也是食管癌治疗研究的重点，并具有广阔的前景。
The molecular targeted therapy for esophageal cancer, still in its infancy, is also an important area of the study in future esophageal cancer treatment.
而对于食管癌的分子靶向治疗，目前尚处于萌芽阶段，也是食管癌治疗研究的重点，并具有广阔的前景。
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