In the immense and vast global biosphere, there exists a kind of noteless melanocratic organic matter which is humic substances.
在浩瀚广袤的地球生物圈里，蕴藏着一种不引人注目的暗色有机物，这就是腐植酸类物质。
Humic substances are known to coat membrane filters.
腐殖质是已知能够覆盖滤膜的物质。
This paper is a general review on humic substances research.
该文是关于腐植物质研究的综述性文章。
This paper reviews on the recent research progress of soil humic substances in analytical chemistry.
对土壤腐殖质的分析化学研究进展进行了综述。
Extraction of humic substances from sediments is often the first task that confronts the investigator.
从沉积物中萃取腐植物是研究工作者遇到的第一个问题。
Ultimate analysis provides an useful inventory of the distribution of the major elements in humic substances.
元素分析提供腐殖物质中主要元素分布的有用资料。
The aliphatic polyesters function like starch or cellulose to produce non-humic substances such as CO 2 and methane.
脂肪族聚酯的功能如淀粉或纤维素产生二氧化碳和甲烷非腐植物质如。
The combined states of soil humic substances were studied after undecomposed organic materials were applied into sodic meadow paddy soil.
几种非腐解有机物料施于苏打草甸水稻土后，对土壤中不同结合形态的腐殖质的动态变化进行了研究。
At the same time, some projects for soil humic substances are discussed which may be solved by the methods of analytical chemistry in th…
同时，对土壤腐殖质的研究中有待进一步用分析化学方法解决的几个问题进行了探讨。
Humic substances, the most widespread organic compounds in nature, account for 50 ~ 80 percent of the total organic compounds in the soil, hydrosphere and ecosphere.
腐殖物质(主要组成为腐殖酸)是自然界中分布最为广泛的有机质，占土壤、水圈、生态系统中总有机质含量的50 ~ 80%。
This paper described the properties of humic acid substances and its application in improving environment.
本文叙述了腐植酸特性及腐植酸类物质在改善生态环境中的应用。
The use of microbial fermentation product humic by agricultural waste, substances has been widely studied.
以农业废弃物为原料，利用微生物发酵法生产腐植酸类物质已得到了广泛的研究。
Lignitous coal, humic acid, fragments of plant remnants and asphalt are main forms of existing organic substances.
褐煤、腐殖酸、残余植物碎屑和地沥青等是现存有机质的主要类型。
Lignitous coal, humic acid, fragments of plant remnants and asphalt are main forms of existing organic substances.
褐煤、腐殖酸、残余植物碎屑和地沥青等是现存有机质的主要类型。
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