the highest content of soluble organic compounds was detected in soil sample collected from riverside wetland and the content of bottom sediment is the lowest among all samples studied.
研究结果表明,草甸沼泽土中水溶性有机物含量最高,沉积物中含量最低。
pollution of arsenic in bottom sediment of guantin reservoir has been studied by field investigation and simulation test.
通过野外调查研究和室内模拟试验,研究了宫厅水库底质中砷的污染。
besides, this article, with chemistry monitoring means, analyzes that the poison in the bottom sediment is mostly organic matter. moreover, it proposes views and id…
还结合化学监测方法,分析了大沙河底泥毒物主要为有机毒物。此外,就大沙河底泥毒物的治理方法提出了自己的见解。
in this paper, the bottom sediment classification method by using high precision multibeam bathymetric data is discussed.
探讨了基于高精度多波束水深数据的底质分类方法。
by adsorption and decomposition experiment, interaction of sewage with high cod and clear bottom sediment was studied.
通过底泥吸附和污水有机物降解实验,研究了高cod浓度污水与洁凈底泥的相互作用。
moreover, it proposes views and ideas of administrating the dashahe bottom sediment poison pollution.
此外,就大沙河底泥毒物的治理方法提出了自己的见解。
results show as follows: the tendency of the bottom sediment pollution is essentially the same as that of the water body poison pollution.
结果表明,大沙河底泥不同程度受到了毒物污染,底泥毒物污染趋势与水体毒物污染趋势基本一致;
the bottom sediment affects tip displacement and ultimate bearing capacity.
桩底沉渣直接影响桩顶沉降及极限承载力;
apart from this, it discusses the starting current velocity of bottom sediment affected with vertical waves as well as the settling velocity of silt particles.
对立波作用下底沙起动流速和泥沙颗粒沉降速度作了探讨。
the layering properties of bottom sediment were studied.
研究了底泥系统的分层特性。
the paper presents a method of lake bottom sediment classification using echo signals provided by a wideband active sonar.
本文论述如何运用实际宽带主动声吶的回波信号识别湖底沉积物介质类型。
some key technologies of bottom sediment dredging were summarized, and recommendations were made based on the introduction and analysis of the application and remediation of dredging.
总结了底泥生态疏浚的一些关键技术,介绍国内外研究应用的概况并对修复效果进行分析,针对生态疏浚的不足提出建议。
based on the sedimentation rule, the bottom sediment distribution in rake thickener is analysed, and bottom flow separation is suggested to raise the production efficiency.
运用了耙式浓缩机的沉降规律,对浓缩机底沉降料层灰分分布进行了分析,建议采用底流双流制进行底流分别处理,达到增效节能的目的。
besides, this article, with chemistry monitoring means, analyzes that the poison in the bottom sediment is mostly organic matter.
文章还结合化学监测方法,分析了大沙河底泥毒物主要为有机毒物。
therefore, the estimation method can be used to identify different bottom sediment types such as bedrock, gravel, sand and clay.
此方法可以用来识别基巖、砾石、沙和粘土等底质类型。
post-grouting technique can solidify bottom sediment and mud cake around pile, and improve the bearing capacity of pile.
注浆可以固化桩底沉渣和桩侧泥皮,改善桩的承载性能。
this article, by means of biological toxicity tests, analyzes the feature of the bottom sediment poison pollution in the dashahe river.
运用生物毒性监测方法,对深圳市南山区大沙河底泥毒物污染特征进行了分析。