现代生物化学与人类遗传学相互渗透，从分子水平探讨基因变化，从而进行诊断和治疗。
Modern biological chemistry saturates human hereditism each other. Genetic changes are studied from molecule level in order to do treatment.
复活节岛上土壤中的一种微生物产生的化学物质在亿万年的演变中，本应与人类没有直接关系。
A tiny molecule harvested from a soil bacterium on Easter Island that evolved billions of years ago for no obvious purposes should have nothing to do with human beings.
但农药作为有毒化学品，也给生态、环境与人类健康带来了巨大的负效应。
But as the toxic chemical product, the pesticides also bring the negative externalities to ecology, environment and human's health.
本文从地球化学环境与人类生存关系出发，依据区域化探水系沉积物资料编制环境地球化学图。
Proceeded from the relationship between geochemical environment and mankind existence, and based on the data of regional stream sediment survey, the geochemical environment map is drown up.
但化学知识却象人类历史一样古老，与人们实际生活密切相关。
But chemical knowledge is as old as history, being almost entirely concerned with the practical arts of living.
汞的微生物甲基化作用是汞生物地球化学循环过程中重要环节之一，与人类健康密切相关。
Mercury methylation by microbes plays a key role in mercury biogeochemical cycle, and closely related with public health.
汞的微生物甲基化作用是汞生物地球化学循环过程中重要环节之一，与人类健康密切相关。
Mercury methylation by microbes plays a key role in mercury biogeochemical cycle, and closely related with public health.
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