total organic carbon

The characteristics of seasonal changes in the mass fractions of organic carbon and total nitrogen at three different layers of soil in different Phyllostachys pubescens stands were studied by the orientation research method.

应用定位研究法探明位于浙江省富阳市春建乡不同结构毛竹Phyllostachys pubescens林土壤0~10,10~30和30~50cm等3个层次有机碳和全氮质量分数的季节变化特征。

The measuring principle and property of the total organic carbon survey meter of shimadzu TOC-4100 and its application to water quality monitoring were introduced.

针对TOC的燃烧氧化-红外线分析测定方法，重点介绍了日本岛津公司生产的TOC-4100型总有机碳测量仪的工作原理、性能特点及其在水质监测中的应用。

From the data analysis we can see that there is a world of difference among the different locations of the cylindrical cores collected in the total nitrogen, total organic carbon, and total carbon content.

由数据分析看出，不同地点所采集的柱状岩芯中总氮、总有机碳、总碳的含量差别较大。

Total Organic Carbon ( TOC ) is an important parameter to evaluate the organic pollution of water.

总有机碳 ( TOC ) 是评价水体被有机物质污染程度的重要指标.

Besides, trace rare element concentrations increased with the total organic carbon ( TOC) content and chlorophyll a concentration increasing, suggesting that biological transport process also influenced the distributions of trace rare elements.

稀有元素的含量随总有机碳含量和叶绿素a浓度的增加而增加，表明生物迁移是其分布的又一控制因素。

The biodegradation rate of PYE were significantly negatively correlated with black carbon content, total organic carbon content, and surface areas of various sized fractions.

芘在各个粒径组分上的微生物降解速率与黑碳含量，总有机碳含量，颗粒表面积均显著负相关。

The authors are to study the pollutants such as sulfide, organic carbon, petroleum, heavy metal ( Cu, Pb, Zn, Cd, and Hg) and total chromium in the superficial sediments. Their contents and distribution are analyzed in the survey area.

以天津永定新河入海口附近浅海区海底表层沉积物为对象，研究了海底表层沉积物中硫化物、有机碳、石油类、重金属（Cu、Pb、Zn、Cd、Hg）和总铬的含量及其分布规律。

Results showed that the removal rate of phenol in the MAPC process was 92% after 30 min reaction. Loss of total organic carbon ( TOC) was 84%.

结果表明，反应30min，微波辅助光催化（MAPC）能去除92%的苯酚，溶液总有机碳（TOC）减少84%。

Of sediment color a value lower profile and higher total organic carbon and black shales with marine planktonic environment for the emergence of direction was the reduction of marine hypoxia conditions.

研究剖面沉积物色度a值降低和总有机碳增高以及含海相浮游有孔虫黑色页岩的出现指示当时环境为海相缺氧的还原条件。

Management of total organic carbon analyzer model TOC& 5000A

TOC&5000A型总有机碳分析仪的管理

Preparation of ultra pure water, TOC ( total organic carbon ) of the degradation is very important.

超纯水制备中, TOC ( 总有机碳 ) 的降解至关重要.

Assimilable organic carbon ( AOC) refers to a fraction of the total organic carbon, which can be utilized by bacteria directly.

生物可同化有机碳（assimilable organic carbon，AOC）是指最能被细菌利用并直接合成细菌体的那部分有机物。

Total organic carbon ( TOC ) is an overall indicator used to describe the total compound in water.

总有机碳TOC是以碳的含量表示水体中有机物总量的综合指标.

Correlation of total organic carbon with permanganate index and chemical oxygen demand

总有机碳与高锰酸盐指数及化学需氧量的相关性

The total organic carbon ( TOC) in surface water, sewage effluent and different kinds of industrial wastewater of Hangzhou, was determined by nondispersive infrared absorption spectrometry with combustion oxidation.

用燃烧氧化-非色散红外吸收法测定了杭州市辖区内的地表水、污水处理厂排水和不同行业工业废水中的总有机碳（TOC）。

The distributions of PYE were significantly positively correlated with black carbon and total organic carbon content in various sized fractions.

芘在沉积物各粒径组分上的分布与各组分中的黑碳含量，总有机碳含量显著正相关。