'trace element' 的定义
含 trace element的例句
Why should we be low in this important trace element mineral? Body Odour (1994)Suffice it to say that for most people food is the most important source of trace elements. Miracle Micronutrients (1987)Manganese is an essential trace element required by the brain and nervous system. The Medicine Chest - your family's guide to prescription drugs (1988)It is probable that in years to come other essential trace elements will emerge. The Allergy Handbook (1988)And the algae contain all the trace elements essential to animal and man. Secrets of the Soil (1990)Zinc is a trace element which is necessary for a wide range of chemical reactions in the body. M. E. Post-Viral Fatigue Syndrome - How To Live With It (1989)Most of our foods today are processed somehow or other but the most dramatic losses of trace elements occur during refining. Miracle Micronutrients (1987)During childhood and adolescence there is an increased need for many of the trace elements because they are essential for growth. Miracle Micronutrients (1987)Zinc Zinc is one of the most important trace elements in man. The Beat Fatigue Workbook - how to identify the causes (1988)Table 1 shows how much of various trace elements we need and how much we get. Miracle Micronutrients (1987)As with many other trace elements, absorption is very poor, especially from tablets. Miracle Micronutrients (1987)Copper Although in small quantities copper is an essential trace element, it can be toxic in large quantities. Caring for your Unborn Child (1990)This latter is foolish because, as we have seen already, many of the trace elements compete with each other in the intestine. Miracle Micronutrients (1987)
trace element 的趋势
极少使用。在柯林斯辞典中， trace element 属于使用频率排在后 50% 的词语之一。
trace element 的定义—— 柯林斯 英语词典
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