这是一个全球性的记录：在取自不同大陆位置的沉积标本中，同位素比率的变化非常小。
It is a global record: there is remarkably little variation in isotope ratios in sedimentary specimens taken from different continental locations.
其他人则担心18年后在家门口出现一位素曾谋面的小孩。
Others have worried about having an unknown child appear at their doorstep 18 years later.
下一次，如果能够从整个房间中认出一位老朋友，可要感谢催产素哟！
The next time you spot an old friend from across the room, thank oxytocin.
1980年，一位科学家在紫外线显微镜下观察了骨头碎片，注意到骨头发出绿光——这是含有抗菌四环素的特征。
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green-a hallmark of the antibiotic tetracycline.
他指出的一个例子是，一位因难辨梭杆菌感染，而导致严重腹泻的病人，即便使用了抗生素治疗，也经常地复发。
He points to an example of a patient infected with the Clostridium difficile bacteria, which causes severe diarrhea and can frequently return, even when treated with antibiotics.
密歇根大学分析认为之前的研究是正确的：在血清素基因的某一特定位置有一等位基因，而这等位基因越短的人往往越不容易从情感创伤中走出来。
The U-M analysis supports previous findings that individuals who had a short allele on a particular area the serotonin gene had a harder time bouncing back from trauma than those with long alleles.
他的一位朋友半是钦佩半是绝望地形容他为“我行我素者”。
One of his friends, with a mixture of admiration and despair, describes him as a “loose cannon.
正是昂山季素，一位主张有纪律地反抗缅甸军事统治的国际知名人士或许能再次发起对本次选举的辨论。
The one dissident who could probably recast this debate is Miss Suu Kyi, the international face of principled resistance to military rule.
同时被捕的另一位电影工作者默海默德·拉素罗夫今天也被判处六年徒刑。
Muhammad Rasoulof, one of the film-makers arrested at the same time, was also sentenced to six years in jail today.
1980年，一位科学家在紫外线显微镜下观察骨骼碎片时注意到这些骨骼发出了幽幽绿光——这种绿色荧光是骨骼含有四环系抗生素的一种标志。
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green — a hallmark of the antibiotic tetracycline.
几百位患者平生第一次领到牙刷、维生素营养片以及打虫药。
Hundreds of patients received their first toothbrush, vitamins, and deworming medicine.
由李素妍和其他两位俄罗斯宇航员谢尔盖·沃尔科夫和奥列格·科诺年科组成的考察团于本周一获得了一个官方委员会的正式批准。
An official committee gave official approval Monday for the mission by Yi and Russian cosmonauts Sergei Volkov and Oleg Kononenko.
最近我的一位吃了超过十五年素的老朋友跟我讲了她做的一件事，震惊了我们：上个周末，她吃了培根！
Recently an old friend who's been a vegetarian for more than 15 years shocked us with a story: Last weekend she ate bacon.
三位研究人员创建的计算机三维模型演示抗生素如何抑制核糖体。
The researcheres generated 3D computer models that show how antibiotics bind to ribosomes.
“如果想要专门预防某种疾病的话，维生素可不是个'万灵丹'。”Heidi Skolnik说，她拥有硕士学位，是位营养咨询师，国内知名作家、编辑、学者。
When it comes to preventing certain diseases, vitamins may not be a panacea, ” says Heidi Skolnik, MS, a nutrition consultant and nationally recognized writer, editor, and lecturer.
于是，一位名为 埃尔默·麦考伦 （Elmer McCollum）的科学家便把脂溶性维生素 叫做vitaminsA，水溶性维生素 叫做vitaminsB。
A scientist named Elmer McCollum called the fat soluble vitamins A, and the water soluble vitamins B.
密歇根大学研究小组调查了从2001年至2010年期间的54份研究报告，其中包括有近41000位参与者。这无疑是迄今为止关于血清素基因与失落情绪之间相互关系的研究中最全面的一次调查研究。
The U-M team examined 54 studies dating from 2001 to 2010 and encompassing nearly 41,000 participants - making it the largest analysis of the serotonin gene's relationship to depression.
尽管有一些例外，如果一位患者的胃肠道功能良好，通常不建议在急诊出院之前静脉给抗生素，因其可能会增加不良反应的发生率。
Though there are a few exceptions, if a patient has a working gut, an IV dose of antibiotics before Ed discharge is generally not recommended and may cause increased adverse effects.
然而，结合效率在不同毒株间存在差异，而且这种差异部分决定于血凝素蛋白中的受体结合位点。
However, binding efficiency varies between flu strains, and that variation is partly determined by the receptor-binding site (RBS) within the hemagglutinin protein.
化妆当然是为了让人看起来更养眼，但近日有一位新郎在看到新娘的素颜后大惊失色，据称他正起诉新娘诈骗。
Make-up is meant to make people look better, but one new groom got such a shock about the bare-faced appearance of his bride that he is allegedly suing her for fraud.
我工作的重症监护病房的一位病人因为一种对所有已知抗生素均有抗体反应的感染正在濒临死亡。
A patient in the intensive care unit where I work is dying from an infection that is resistant to all known antibiotics.
现代蒙古语语义研究从先前的主要对词义领域进行研究，继而又扩展到词义内部各种基本因素（义素、义位…）研究。
The study on the Modern Mongol semantics extends the field of research from lexical meaning to various basic factors such as sememe.
西北大学研究人员在一种细菌中发现了一个叫做CRISPR位点的特殊DNA序列，该位点可以阻止抗生素抗性在致病性金黄色葡萄球菌中的传播。
The Northwestern researchers have discovered that a special DNA sequence found in certain bacteria, called a CRISPR locus, can impede the spread of antibiotic resistance in pathogenic staphylococci.
研究人员测量了279位乳腺癌患者血样中的维生素D含量。
The researchers measured the amount of vitamin D in blood samples from 279 women with breast cancer.
生物素结合位点的复杂性和结构的不规则性使得它最适合与生物素结合并且表现出与链霉素亲和素-生物素复合体的高度特异性(4)。
The complex and irregular structure of the biotin-binding site makes it highly optimized for biotin binding and confers great specificity to the streptavidin-biotin complexes (4).
调查发现：谈起健康时，世界各地的人都将增加睡眠放在第一位，而非饮食健康、加强锻炼抑或补充维生素。
When it comes to being healthy, the world's priority is getting more sleep rather than eating healthy food, exercising or taking vitamins, a poll has found.
在对283位患有肾脏癌或皮肤癌并已进入扩散期的患者，施以高剂量的基因工程合成药物白细胞介素2之后。
After giving the genetically engineered drug Interleukin 2 in high doses to 283 patients with spreading kidney or skin cancer.
在对283位患有肾脏癌或皮肤癌并已进入扩散期的患者，施以高剂量的基因工程合成药物白细胞介素2之后。
After giving the genetically engineered drug Interleukin 2 in high doses to 283 patients with spreading kidney or skin cancer.
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