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The inorganic composition of DCS in DIP is the key factor resulting in deposition of wood pitch, in which the triglyceride composition is agglomerated and deposited due to the destruction of electrostatic stability, however the fatty acid composition is deposited due to the formation of insoluble soap.

研究结果表明,DCS 中的无机溶解性组分是引起胶体发生沉积的关键因素,树脂中甘油三酯通过破坏静电稳定性引起聚集和沉积,脂肪酸通过反应形成黏性不溶性皂而加剧沉积

In the current study, anoxic dechlorinations of p, p'-DDT,γ-HCH, HCB in the Liao River sediment were studied under the following conditions: without any additional short chain carbon substrates or vitamin B〓; with the addition of short chain carbon sources (including sodium lactate, sodium propionate or sodium acetate); with the addition of vitamin B〓; with the addition of both short chain carbon substrates and vitamin B〓, with the addition of sodium dodecyl sulfate , a kind of surfactant; the coexistence of the three chlorinated compounds.

氯代有机物一般都是典型的持久性环境污染物,其中部分氯代有机物还是环境激素类物质,例如,滴滴涕、林丹和六氯苯等,这些氯代有机物在环境中的迁移转化一直是国际环境化学领域的热点、重点课题。氯代有机物进入环境水体后,成为沉积物吸附态有机污染物的重要成分,天然水沉积物经常处于缺氧状态。因此,研究氯代有机物在天然水体沉积物中的缺氧脱氯行为是非常必要的。

Through study of the sedimentary geology in the several main belts in China, it is mainly purpose that paper introduces the classic sedimentology to a research on the formation and evolution of orogenic belts and builds up a relatively systemic method and theory of the Orogenic-Sedimentology.

论文通过对中国西南及邻区主要造山带的沉积地质学研究,将经典的沉积学方法体系引入造山带的形成和演化研究,建立了一个比较完整的造山带沉积学理论和方法体系。

The relation between the quality of the transfer film and the anti-wear quality of the PPTA molecular deposited film was also discussed.

研究了制膜溶液相态的不同对溶致液晶聚芳酰胺分子沉积膜摩擦学性能的影响,分析了PPTA分子沉积膜向对偶面的转移与沉积,并讨论了转移膜性能与PPTA优良的抗磨减摩性能之间的关系。

Simulation and prediction of reservoir lithology is one of the main subjects of reservoir sedimentology and oilfield production. By fan-delta lithology simulation study, a set of technology about reservoir structure simulation and prediction of fan-delta had been established. Through test calculation of different lithologies by using many simulation methodogies, the best simulation methodology for this depositional system had been determined and it is proved to be reliable by practice.

储层岩石相的模拟与预测是储层沉积学和油田实际生产的主要课题之一,通过对扇三角洲露头岩石相的模拟研究,总结出了该类扇三角洲沉积体储层建筑结构的模拟与预测方法,经对不同岩石相多种模拟方法的试运算,给出了对于该类沉积体系的最佳模拟方法,并通过实际检验证明是可信的。

It is considered that, just as those of pelagic sediments, the anomaloushelium isotope ratios of nodules can be attributed to micrometeorite interplanetary dust particles.

根据地外~3He的通量和结核、沉积物中地外~3He的含量计算了结核的生长速率和沉积物的沉积速率。

Based on the detailed field survey and laboratory analysis, the authors studied lithology, sedimentary conformation and palaeontological characteristics of the sedimentary strata of Yixian Formation in northern Hebei and the sedimentary environment has been analyzed.

在野外剖面实测和室内分析的基础上,对冀北森吉图盆地义县组沉积地层的岩性、沉积构造和古生物特征等进行了详细的研究,并分析了其沉积环境。

Based on the detailed field survey and laboratory analysis, the authors studied lithology, sedimentary conformation and palaeontological characteristics of the sedimentary strata of Yixian Formation in northern Hebei and the sedimentary environment has been analysised.

在野外剖面实测和室内分析的基础上,对冀北森吉图盆地义县组沉积地层的岩性、沉积构造和古生物特征等进行了详细的研究,并分析了其沉积环境。

Through extracting sedimentologic, geomagnetic, geochemical, organic geochemical, pigment, biological and microbiology fossil etc. from loess, periglacial landform, lake landform and sediment, stalagmite, coral and sea landform, the research about Holocene palaeomonsoon in eastern part of China has maken important progress.

在我国全新世环境中,关于东部古季风变化问题,利用黄土、冰缘、珊瑚、石笋、湖泊地貌与沉积、海岸地貌第四纪等研究对象,从中获取沉积学、磁性信息、沉积地球化学、有机地球化学、色素、生物、微生物化石等方面环境替代性指标,进行古季风重建的研究,取得了长足的进展。

The exchange of substances between deposited sediments and overlying water must also pass through the DBL. In this study, two series of flume experiments with and without wind blowing conditions were conducted to study the salt release process from sandy sediments in a polder reservoir. The thickness of DBL was directly measured. The experimental salt fluxes through the DBL under the two wind conditions were inter-compared and compared with the estimations using the Fick's first law in an effort to explore the role of DBL in contact inhibition of salt release.

通过无风和有风条件下两组沉积物盐分释放实验,研究海湾水库砂质沉积物-水界面扩散边界层的形成情况,并通过水动力扰动下穿过扩散边界层的实测盐分通量与Fick第一定律理论计算通量的比较,以及扰动与无扰动时通量的比较,探讨扩散边界层对沉积物盐分释放的影响。

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