The results showed that Bacillus changed bacterial species composition of sediment and increased the number of aerobic bacteria.
结果表明：芽孢杆菌制剂改变了虾池表层沉积物细菌类群组成，增加了表层沉积物好氧细菌的数量。
The results showed that the probiotic Bacillus changed bacterial species composition of sediment and increased the number of aerobic bacteria.
结果表明，芽孢杆菌制剂改变了虾池底泥细菌类群组成，增加了底泥好氧细菌的数量。
The main environmental factors of restricting the growth and distribution of aquatic plants are water depth, wird-driven waves and transparency of lake water as well as composition of sediment, etc.
制约水生植物生长、分布的主要环境因素是水深、风浪、透明度以及沉积物的组成等；
The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究认为河床质调整极限是由来沙组成及河床质细化机制决定的。
The study on the composition of interstitial water in the sediment shows that diagenesis environment is mainly a reductive environment.
通过对岩心沉积物间隙水成分的研究，表明成岩环境主要为还原环境。
The relationship between erosion rates and shear stress was determined by the particle composition, structure, wet density and water content of the sediment.
沉积物的颗粒组成、结构、密度、含水率等决定了冲刷率与剪应力的变化关系。
The Re Os isotope composition is obviously different from the rocks of the continental crust, but similar to the K T boundary sediment, and close to the meteorite.
铁锰结壳的铼-锇同位素组成明显有别于大陆地壳岩石，和K- T界线沉积物相似，接近陨石值。
The abundance of organism, nitrogen and phosphorus in the sediment directly reflect the bottom environment which, influences to a certain extent the organisms, their variety and composition.
海湾沉积物中的有机质和氮、磷营养物质丰富与否，直接反映了底质环境的优劣。底质环境的好坏在一定程度上又直接影响生物的生存、发育及种类组成。
The characteristics of the sediment composition are closely related to deposit environment.
沉积物组分构成特点同海洋环境密切相关。
The chemical composition, microstructure and phase ingredient of the sediment in the sub-header of WGZ410/9.8-15 boiler are measured.
对WGZ410/9.8 15锅炉下联箱的沉积块状物的化学成分、显微组织和物相组成进行了检测。
The component and mineral composition of the sediment from the Xihe River, Shenyang City was analyzed, and the feasibility for producing haydite by the sediment was investigated.
以沈阳细河底泥为研究对象，通过对其成分和矿物组成分析，考察了其制作底泥陶粒的可行性；
The component and mineral composition of the sediment from the Xihe River, Shenyang City was analyzed, and the feasibility for producing haydite by the sediment was investigated.
以沈阳细河底泥为研究对象，通过对其成分和矿物组成分析，考察了其制作底泥陶粒的可行性；
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