a beam balance of great precision used in quantitative chemical analysis

For the lucky few, such as Hollywood greats Raquel Welch, 60, Sophia Loren, 66, and Robert Redford, 64, the chemical balance appears just right to help retain their youthful looks.

对少数幸运的人来说，例如好莱坞的巨星60岁的拉克尔·韦尔奇，66岁的索菲娅·罗兰和64岁的罗伯特·雷德富，他们体内相关元素的均衡性正好让他们能青春永驻。

In this paper, the author tries to discuss how to infiltrate philosophical principle in the teaching of chemical balance in hope of helping students improve their study efficiency and overall quality.

正确理解化学平衡的内容在中学化学新课程教学中至关重要，本文就如何在化学平衡教学中通过渗透哲学原理来提高学生的学习效率和综合素质进行了探讨。

The reason is that proper digestion and the absorption of nutrients are affected by the hormonal and chemical balance in our body.

原因是适当的消化和营养的吸收是受体内激素和化学物的平衡影响的。

The throwing of waste products into the ocean hurts the life in the sea, while waste gases change the chemical balance of the air and shut out some of the sun「s necessary life – giving lights.

往海洋里排放污染物质给大海里的生命带来伤害，废气改变了空气中化学物质的平衡并且阻挡了一些太阳的益处——光明。

Abnormal human behavior may be caused by eating substances that upset the delicate chemical balance in the brain.

食用能打破大脑微妙化学平衡的东西可能会引起人类的异常行为。

For a heart to beat and give life, there must be the right chemical balance of electrolytes.

一颗心脏之所以是跳动的、活着的，是因为电解质刚好达到了化学天平。

Researchers Erich Gulbins, MD, PhD, of Germany」s University of Duisburg-Essen and colleagues now find that CFTR dysfunction upsets a delicate chemical balance in the lungs.

现在，德国Duisburg - Essen大学研究人员ErichGulbins博士和他的同仁们发现CFTR的异常扰乱了肺部精细的化学物质平衡。

A drug can be defined as a chemical compound, natural or human created, which when ingested, injected or inhaled, has the ability to alter the chemical balance of the body.

毒品可以是用来吞服，注射或是吸入的化学合成的，天然的或是人造的药物，会改变人体的化学平衡。