Certain other elements are needed in trace amounts for cell metabolism.
细胞的新陈代谢还需某些其它的微量元素。
In normal coal samples, quartz and other minerals are found only in trace amounts.
在一般的煤的样板中，石英和其他矿物质的含量是相当低的。
This information is stored in trace buffers that have been allocated for each processor.
这一信息存储在已经为每个处理器分配的追踪缓冲区中。
A synthetic element produced in trace quantities by helium isotope bombardment of curium.
锎一种合成元素，由氦同位素轰击锔可得到微量的这种元素。
You might find gaps in a less obvious method or in trace entries that don't seem to correlate at all.
您可能会在较为不明显的方法或看起来完全不相关的跟踪条目中发现差距。
Trying to work out what is going on in trace is hard enough without things appearing to occur at the wrong time.
如果没有事情似乎在错误的时间发生，那么尝试弄清跟踪数据中发生了什么是相当困难的。
Ingredients also include sodium, calcium, silica, sulfur and a high macro-molecular complex-all in trace amounts.
成分中还包括微量的钠，钙，硅，硫和高宏观分子混合物-所有都是微量的。
In large amounts it is toxic, but in trace amounts it enables organisms to produce enzymes that help cells to function.
大剂量时是毒物，但在微量是它能使有机体生成能量使细胞发挥功能。
It's found in trace amounts in everything from children's costume jewelry to imported candies to soil and drinking water.
从儿童的服装首饰到进口的糖、肥料和饮用水中的任何东西都已发现含有微量铅。
The low mineral-salt and richly carbonated water in these springs is rich in trace elements and has good therapeutic value.
泉水属低矿化重碳酸泉水，含有多种元素，有很高的医疗价值。
Sal Costa yellow sea salt is rich in trace elements and is suitable for pregnant women, people with colon and rectal diseases.
萨尔·科斯塔黄色海盐富含微量元素，适用于孕妇、患有结肠，直肠疾病的群体。
Rich in trace elements in food: such as animal liver, kidney and oysters, whole grains, soy products, fish, spinach, cabbage and so on.
富含微量元素的食物：如动物肝、肾脏与牡蛎、粗粮、豆制品、鱼肉、菠菜、大白菜等。
A highly sensitive chromatographic system is desirable particularly for monitoring analyte present in trace concentrations within samples.
高灵敏的层析系统是一个理想的系统，特别对监测存在于样本追踪浓度的分析物。
And as growing grapes absorb carbon dioxide, they take in trace amounts of the heavier carbon isotope-which eventually show up in the wine.
生长中的葡萄会吸收二氧化碳，也就会吸收微量质量更重的碳同位素，这种吸收最终会在酒中表现出来。
The advantages of the flow injection technique (FIA) in trace analysis are discussed and the applications of FIA in trace analysis are reviewed briefly.
本文讨论了流动注射分析(FIA)技术在痕量分析中的突出优点，阐述了该技术在痕量分析领域中的应用。
Conclusion: the detection of monoclonal antibody in trace gastric juice is an effective method for the early discovery and secondary prevention for gastric cancer.
结论：微量胃液单克隆抗体检测对胃癌的早期发现，及时进行胃癌的二级预防提供了有效途径。
That was in the days, I'll admit, when any number of people were admitted to such institutions without having shown any evidence of carrying smart-kid genes even in trace elements.
我要承认，那时候上这些学校的人很多，而且不必出示任何证据来证明连他们的微量元素里面都有聪明孩子基因。
This paper summarizes the physiological efficacy of yeast rich in trace element, and the development of the study of the trace element, and the study method of enriched yeast.
在此简要介绍了酵母菌富集微量元素的生理功效、研究方面的进展及功能性酵母的研究方法。
This article narrated the meaning of carrying out cleaning engineering in trace analysis laboratories and described its characteristics and schemes through practical engineering examples.
阐述了痕量分析实验室实施净化工程的意义，并且通过工程实例重点说明其特点和具体做法。
The atomic adsorption spectrometry (AAS), which has the merits of low cost and detection limit, good precision and accuracy, and wide linear range, has been widely applied in trace analysis.
原子吸收光谱（AAS）检测技术是现今较常用的一种微量元素分析测试手段，具有仪器价格便宜、精密度好、干扰水平低、线性范围宽等特点。
Therefore, a new cavern detection technique called accumulation energy difference method was proposed, which USES the seismic reflection energy difference in trace or between traces to detect caves.
为此，提出了一种新的溶洞检测方法——累计能量差法，即利用道内或道间地震反射能量上的差异进行溶洞检测。
Information about dietary variation among community members is derived by analyzing trace elements in human bone.
关于社区成员之间饮食变化的信息是通过分析人体骨骼中的微量元素得到的。
These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.
这些矿物可以用放射性衰变技术测定年代，因为它们所含的放射性微量元素非常少。
They could trace the growth and shrinkage of continental glaciers, even in parts of the ocean where there may have been no great change in temperature—around the equator, for example.
他们可以追踪大陆冰川的生长和收缩，即使是在温度变化不大的海洋区域——比如，赤道附近。
Years of living in England had eliminated all trace of her American accent.
她因多年居住在英国，美国口音已荡然无存。
In order for their computers to trace a person's records, they need both the name and address of the individual.
为了使他们的计算机跟踪某个人的记录，他们需要这个人的名字和地址。
A trace of hesitancy showed in Dr. Stockton's eyes.
一丝迟疑出现在斯托克顿医生的双眼中。
If you bring a road map for each child, they can trace your trip in pen or crayon and draw landmarks on the map themselves.
如果你给每个孩子带一张路线图，他们可以用钢笔或蜡笔记录你的旅程，并在地图上自己画路标。
If you bring a road map for each child, they can trace your trip in pen or crayon and draw landmarks on the map themselves.
如果你给每个孩子带一张路线图，他们可以用钢笔或蜡笔记录你的旅程，并在地图上自己画路标。
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