It is especially important in the cellular metabolism of animals as the only amino acid capable of readily crossing the blood-brain barrier. It is used in medicine and biochemical research and as a feed additive

在蛋白质中含量丰富。是唯一容易通过血脑屏障的氨基酸,因此在动物的细胞代谢中十分重要。常用于医学和生化的研究及食品添加剂。

属类：化学及生命科学-化学-

The compounds, in which it has valence 2, are used as insulators and refractories and in fertilizers, cement, rubber, plastics, foods, and pharmaceuticals (antacids, purgatives, laxatives). Magnesium is an essential element in human nutrition; it is the cofactor in enzymes of carbohydrate metabolism and in chlorophyll.

在二价化合物中,镁被用作绝缘体和耐火材料;也用于化肥、水泥、橡胶、塑料、食品和药物(抗酸剂、泻药和轻泻药)。镁是人体营养的一个重要元素,也是在碳水化合物代谢中的和叶绿素中的辅助因子。

属类：化学及生命科学-化学-

Strengthen the physical function and promote metabolism

增强身体机能,促进新陈代谢

属类：综合句库--

This will help slow the stomach's emptying, produce a smoother, less abrupt absorption of sugar, and will better regulate brain metabolism

这将有助于放慢胃的排空率,有助于产生对糖更顺利、更自然的吸收作用,并将更好地调节大脑的新陈代谢。

属类：综合句库--

Tonics of this kind all have the action of strengthening the physical function and promoting metabolism .

这类补品都能增强身体机能,促进新陈代谢。

属类：综合句库--

No attempt will be made to include here the products of microbial metabolism that have effects on plant growth

这里不想罗列影响植物生长的微生物代谢产物。

属类：综合句库--

disturbance of lipid metabolism

脂质代谢紊乱

属类：综合句库--

organic metabolism of plant

植物的有机物代谢

属类：综合句库--

Their chief industrial use is as solvents and in the manufacture of explosives, lacquers, paints, and textiles. Acetone is the most important ketone; several sugars and some natural and synthetic steroids are ketones. In ketosis, ketones produced by lipid metabolism accumulate in the blood and urine in abnormal amounts, usually because of starvation or a metabolic disease such as diabetes mellitus.

主要的工业用途是作溶剂,并用于制作炸药、油漆、涂料和纺织品。丙酮是最重要的一种酮,有几种糖和一些自然的或合成的类固醇都是酮。在酮症中,类脂化合物代谢所产生的酮过多地积聚在血液和尿里,通常是由饥饿或糖尿病这类代谢疾病造成的。

属类：化学及生命科学-化学-

Repression: In metabolism , a control mechanism by which a protein molecule, called a repressor, prevents the synthesis of an enzyme by binding to (and thus hindering the action of)the DNA that controls the enzyme's synthesis.

阻遏作用:代谢过程中的一种控制机构。称作阻遏物的蛋白质与控制合成的去氧核糖核酸结合(因而妨碍了DNA的作用),从而阻止了的合成。

属类：化学及生命科学-化学-