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Other effects may include mutagenesis, teratogenesis, nervous system damage, damage to the liver and other internal organ systems, and disruption of the endocrine system. Ecological health effects from trace levels of organics are even more variable and difficult to quantify than human health effects.

其它影响可能包含变异,畸胎的形成,神经系统的损害,对肝脏的损害和对其他内脏系统的损害,同系配合系统的分裂,来源于有机物微量含量的生态健康的影响是极易多变并且很难辨认比人类健康影响。

This paper is a generalization and summation of some new progress in marine chemistry in the recent decade. The principal contents consist of seven parts:1. Oceanological survey. The oceanological survey covered the China Seas, the Pacific Ocean and the Antarctic Ocean.2. Interaction of minor elements and suspended matter in seawater and the theory of in-terfacial stepwise ion/coordination partical exchange.3. Effect of organic matters on the liquid-solid interfacial exchange and the rule of left-righ...

本文对近十年来海洋化学的若干新进展作了总结,主要包括下述7方面:(1)海洋调查,包括中国近海、太平洋和南极等;(2)海水中微量元素-固体粒子的相互作用和界面分级离子/配位子交换理论;(3)有机物对液-固界面交换的影响和S-型曲线左右移动规律;(4)海水化学模型发展的三个新趋势;(5)海水中金属的络合容量和金属-天然有机配位体络合物的条件稳定常数;(6)海洋有机化学和海洋生物化学;(7)结论,对海洋化学发展的四个特点作了分析和讨论。

Exploratory study was made on the Guanting reservoir influent treatment by using two-stage BAF at extreme low temperature.The results show that the removal of organics and ammonia nitrogen is seriously inhibited due to low temperature,and the conversion of nitrite into nitrate is no longer a limiting factor of complete nitrification.One possible hypothesis is that the activity of nitrobacter is hi gher than that of nitrosomonas at extreme low temperature.

摘 要:两级曝气生物滤池在极低温度下(1℃以下)处理官厅水库入库水的探索性研究试验结果表明,有机物和氨氮的去除受到了低温的严重抑制,亚硝酸盐转化成硝酸盐不再是完全硝化反应的限制步骤,这可能是在极低温度条件下硝酸菌的活性高于亚硝酸菌活性的缘故。

The effect of heat treatment process and substrates on the crystallization, structure, topography, orientation and conductivity of LNO films have been investigated systematically by means of thermogram analysis, X-ray diffraction, transmission and scanning electron microscopy, Rutherford backscattering spectrometry and electrical measurement.

本论文首次采用金属有机物分解法,选择异辛酸盐作为有机前体,成功地制备了具有钙钛矿结构的LaNiO〓导电氧化物电极,并通过多种分析测试手段系统地研究了热处理工艺、衬底类型等对LNO晶化、微结构、表面形态、取向以及导电性能的影响。

The inactivation efficiencies of spark gap switch pulse source and thyratron pulse source matched with reactors were compared. In addition, the effects of humic acids on both PEF and NTP inactivation were studied. The results revealed that the NTP was more prone to be affected by organic compound.

其次,以饮用水为研究对象,系统的考察了PEF和NTP消毒时,单脉冲能量的影响和连续流条件下的杀菌效果,比较了火花隙开关电源和闸流管开关电源与反应器匹配的杀菌效果,研究了天然水体中存在的腐殖酸对PEF和NTP杀菌效果的影响,结果表明水中的有机物对NTP杀菌的影响很大。

With glycerol triacetate and emulsion of soyabean oil as a substrate,by determining the current responded from the microbial electrode to the substrate,the esterase and lipase activity could be determined.

应用该方法测定厌氧和好氧反应器内生物膜及悬浮污泥的酶活性时发现,测出的酶活性量大小与单位质量污泥的有机物去除负荷紧密相关。

The photocatalytic oxidation of VOCs on TiO2 film was enhanced by the pretreatment with trichloroethylene.

结果表明,三氯乙烯预处理能加快某些挥发性有机物的光催化反应。

In order to elucidate the effect of minerals and humic matter on the sorption of hydrophobic organic chemicals, sorption of trichloroethylene on series humic acid modified and unmodified montmorillonite, kaolinite and silica gel was studied in this paper.

为了分别揭示矿物质、有机质在疏水性有机物吸附中的作用,文章研究了蒙脱石、高岭土、硅胶以及用腐殖酸修饰后的这3种模型吸附剂对三氯乙烯的吸附行为。

Effect of pretreatment of TiO2 film with trichloroethylene on gas-phase photocatalytic oxidation of volatile organic compounds was investigated by FT-IR and GC-MS techniques, and the surface state of TiO2 film catalyst was studied by XPS.

制备了TiO2薄膜催化剂,并用三氯乙烯对其进行了预处理;采用FT-IR,GC/MS及XPS等技术研究了三氯乙烯预处理的TiO2薄膜上挥发性有机物的光催化反应。

C. Only about 10% of energy in on link can be converted to organic matters in next trophic level.

一个联结中只有大约10%的能量可以被转化至下一个营养级的有机物

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

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三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。