大部分与酒精成瘾问题关联的基因是酒精脱氢酶基因(ALDH)，它参与酒精的新陈代谢作用同时对过量饮酒产生保护。
Most consistently associated with alcoholism are the alcohol dehydrogenase genes (ALDH), which are involved in alcohol metabolism and protection against heavy drinking.
随着新陈代谢作用的进行，以氨基糖为代表的微生物细胞壁残留物不断在土壤中积累，并进一步参与土壤碳、氮循环。
During the metabolism, the microbial residues represented as amino sugars were accumulated in soil and probably concerned in further carbon and nitrogen cycling.
传统陶粒通过自身的吸附作用和附着微生物的新陈代谢作用来减少水中的有机污染物，具有较好的效果。
Traditional ceramic filter reduce the organic pollutants in water by its own absorption and attachment of microorganisms 'metabolism, and it has good results.
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