天然有机物
- 网络Nature Organic Matter;NOM
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这5种再生沥青胶体稳定顺序为:沈铁>沈大>北环>沈本全层>沈本。不同性质天然有机物对水中颗粒稳定性影响的机理研究
The colloidal stability of the 5 regenerated asphalts was ranked as same as the above appeared sequence . Effect of Isolated NOM and Its Fractions on Colloidal Stability in Water
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水中天然有机物的富集浓缩与分类分离方法
Concentration and fractionation or isolation method of NOM in natural waters
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本文探讨了两种不同天然有机物对1398中性蛋白酶活力的影响,测试了该蛋白酶的最适作用条件,即最适温度为50℃,最适pH值为7.6。
This paper studied the activity of 1398 protease effected by two natural organic compound . The optimum reaction conditions of protease were determined by Flin .
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考察了pH值、天然有机物(NOM)等因素对As去除效能的影响。
Effects of parameters such as pH , natural organic matter ( NOM ) on As removal are studied .
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强化混凝去除水中天然有机物(NOM)的研究
Enhanced Coagulation Removal of Natural Organic Matters ( NOM ) from Water
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天然有机物(NaturalOrganicMatters,NOM)普遍存在于水体环境中,是水环境中有机碳的主要来源,通常具有溶解态、胶态、吸附态三种存在形式。
Natural organic matters ( NOM ) are ubiquitous in water environments and contribute to the most part of organic carbon . Usually , NOM are presented in soluble , colloidal or adsorptive state .
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50nm陶瓷膜去除地表水浊度及天然有机物的实验
Experiment of 50 nm inorganic ceramic membrane for removal result of turbidity and organic substance in surface water
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腐植酸作为天然有机物(NOM)的类型对环糊精聚氨酯从水中去除气味的影响
Humic acid as a model for natural organic matter ( NOM ) in the removal of odorants from water by cyclodextrin polyurethanes
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天然有机物(NOM)已被证实是多种致癌性消毒副产物(DBPs)的前驱物。
Natural organic matter ( NOM ) has been proved to be as the precursor to the carcinogenic disinfection-by products ( DBPs ) formation .
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结果表明影响P.aeruginosaY菌体生长量的因素主次顺序为:煤油添加量,天然有机物的添加,氮源和接种量。
The factors affected the growth of P.aeruginosa Y from major to minor were : kerosene volume , natural organism , nitrogen source , inoculation .
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卤乙酸(HAAs)是饮用水或其它水体系中常见的有机污染物,是消毒杀菌过程中,消毒剂与水中的天然有机物(NOM)发生反应产生的一类消毒副产物(DBPs)。
Haloacetic acids ( HAAs ) are common organic pollutants in drinking water or other aqueous systems . HAAs are disinfection byproducts ( DBPs ) produced in sterilization or bactericidal process such as chlorination .
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在阐述天然有机物(NOM)来源和危害的基础上,对NOM的提取、分离和表征技术的近期发展动态进行了全面综述。
The recent advances in the isolation , fractionation and characterization technologies for natural organic matter ( NOM ) are reviewed on the basis of analyzing the source and hazard of natural organic matter .
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研究了天然有机物胡敏酸和富里酸,螯合剂EDTA和DTPA和四种简单有机酸对紫色土镉的溶出效应和吸附解吸行为的影响。
Summary The effects of several organic substances , including natural humic acid and fulvic acid , artificial chelating agents EDTA and DTPA , and four simple organic acids on the solubility and adsorption desorption behaviors of purplish soil for cadmium were studied .
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本文介绍了对湖泊类水体中天然有机物进行红外摄影遥感的方法,结果表明,彩色红外反转胶片的蓝光密度值与生化耗氧量(BOD)之间存在较高的相关性。
This paper presents a preliminary test method of remote sensing with infrared photography for natural organic matter in lakes . The results show that there is a good correlation between the blue density of infrared color reversal film and biochemical oxygen demand ( BOD ) .
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已有研究表明静电相互作用直接影响NOM的去除和膜污染情况,一种有效的提高对水中天然有机物去除和减少膜污染的方法是改变膜的荷电情况。
It has been shown that electrostatic interaction has direct effect on the removal of NOM and reducing membrane fouling . Membrane charge modification can be an effective way to increase the removal of NOM and reduce the membrane fouling .
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腐殖质与铁、锰形成的络合物吸附在滤料表面后有可能降低滤池的除锰效果,为此通过试验考察了天然有机物(NOM)对改性滤料接触氧化过滤工艺除锰效能的影响。
The adsorption of the complex formed between humic compounds , iron and manganese may decrease the effect of filter for manganese removal . The influence of natural organic matters ( NOM ) on manganese removal by filtration with metal oxide-coated sand as media was investigated .
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在正常的臭氧氧化时间内测定臭氧氧化后滤后水中的溴酸根时,只要臭氧投量大于0.8mg/mgDOC,溴酸根的测定就不受本底天然有机物的影响。
With respect to the examination of the bromate in the filtrated surface water after ozonation , the natural organic matters would have less negative effect on the examination , provided that the ozone dose is higher than 0.8mg/mg DOC under the normal ozonation time .
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天然有机物对纳滤膜污染的分析与控制
Analysis and control of natural organic matter fouling of nanofiltration membrane
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不同形态天然有机物的卤代活性;
The haloid activity of natural organic substance of different forms ;
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天然有机物的混凝特性研究
A study on the characteristics of coagulation of natural organic matters
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水中天然有机物的分类特性及其卤代活性
Characteristics and Chlorination Activity of Natural Organic Matter in Water
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高锰酸钾对水中天然有机物氯化活性的影响
Effects of Potassium Permanganate on Natural Organic Matter Chlorination Activity
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高锰酸盐复合剂强化混凝对水中天然有机物的去除机制研究
Mechanism of Natural Organic Matter Removal by Potassium Permanganate Composite Enhanced Coagulation
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沉积物中水溶性天然有机物吸着系数的动态测定
Determination of sorption coefficient of water-soluble organic matter in sediment
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木质素是世界上第三大量的天然有机物。
Lignin is the third abundant organic substance in nature .
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壳聚糖复合吸附剂去除水源水中天然有机物的试验
Adsorption of Natural Organic Matter in Raw Water by Chitosan-PAC Composite Adsorbent
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天然有机物对碱性蛋白酶活力的影响
Effect of natural organic compound on activities of basic proteinase
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粉末活性炭导入超滤系统去除水中天然有机物的性能研究
The study on PAC leading-in UF removing NOM of water
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天然有机物及无机盐对膜蒸馏过程的影响
Effects of Natural Organic Matters and Inorganic Salts on Membrane Distillation Process
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天然有机物的去除对保证水质是至关重要的。
The removal of natural organic matter in the drinking water is important .