Effect on total organic carbon of soil.
对土壤总有机碳的影响。
Objective: to establish a method for detecting total organic carbon in hydrogen peroxide products.
目的:建立测定过氧化氢产品中总有机碳的方法。
Methods After hydrogen peroxide products were catalyzed by platinum, total organic carbon in it was detected by NDIR.
采用铂催化法对过氧化氢进行自催化处理,非散射红外吸收法测定过氧化氢中的总有机碳含量。
Methods: After hydrogen peroxide products were catalyzed by platinum, total organic carbon in it was detected by NDIR.
方法:采用铂催化法对过氧化氢进行自催化处理,非散射红外吸收法测定过氧化氢中的总有机碳含量。
Simultaneity give out the chemical oxygen consumption(COD)and total organic carbon(TOC)the linear relationship equation.
同时给出了化学耗氧量(COD)和总有机碳(TOC)之间的线性关系方程。
Soil total organic carbon was negatively correlated with depth of soil, is not significant difference among soil layers in NTS.
NTS的土壤全碳含量与土层深度显著负相关,各土层间的全碳含量差异不显著。
SPSS factor analysis is further used to ensure that total organic carbon is the key factor which limits the PHEs vertical distribution.
同时利用SPSS的因子分析法进一步确定总有机碳是制约菲垂向运移的主要因素。
The purpose of studying the correlation of total organic carbon (TOC) with permanganate index and chemical oxygen demand (COD) has been stated.
叙述了研究总有机碳与高锰酸盐指数及化学需氧量相关关系的目的。
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.
前言: 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。
China has large area of Carbonate distribution, but the high maturity and lower total organic carbon contents (TOC) have been troubling the evaluation of source rock.
碳酸盐岩在我国大面积分布,但高演化、低有机质丰度的特征一直困扰着烃源岩的评价。
Results showed that there were no significant differences in soil total organic carbon, soil moisture content, pH and soil microbial biomass phosphorus in each soil layer between the two plantations.
结果表明,在各个土层中,两种林分下的土壤含水量、pH值、有机碳的含量以及微生物生物量磷均无显著差异。
The contents of total nitrogen had a significant positive relationship with the soil organic carbon.
人工林土壤全氮与土壤有机碳含量之间呈显著的线性正相关。
With the concentration of total suspended substances increasing, the quality partition of organic carbon in total suspended substance decreased in a logarithm tendency.
随着水体总悬浮物含量的增加,总悬浮物中有机碳的质量分数呈对数趋势降低。
The study examined the total contents of soil organic carbon and the content of soil active organic carbon and stable organic carbon in farmland, grassland, scrub and forest ecosystems.
本研究分析了子午岭林区农田、草地、灌丛和森林不同生态系统土壤总有机碳、活性有机碳和稳定性有机碳含量。
Organic carbon and total nitrogen in bed load had enrichment phenomenon.
推移质中有机碳和全氮均有富集现象。
The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
结果表明,秸秆还田提高了作物产量,增加了土壤有机碳积累和土壤氮磷含量,且能活化土壤磷素。
Relationship between grain size of total suspended solids (TSS) and particulate organic carbon (POC) content is the base of studying POC transportation and flux in river.
悬浮物(TSS)粒径与颗粒有机碳(POC)含量关系的研究,是河流POC形态变化及输送过程和输运通量研究的基础。
The results indicated that temperature and moisture had little effects on organic carbon and total nitrogen in soils during short-term incubation.
研究结果表明,温度和水分在短期内对土壤有机碳和全氮影响不大。
The biggest influence to soil organic carbon density was organic carbon content, the next was total nitrogen, and content of soil available phosphorus was also influenced soil organic carbon density.
对毛竹土壤有机碳密度影响最大的为有机碳含量,对土壤有机碳密度的影响次之的为土壤全氮量,土壤有效磷量对其影响程度也较大。
The soil organic carbon and total nitrogen contents obviously decreased and shown an upper-accumulated pattern.
土壤有机质和全氮含量也自上而下显著的下降,表现出明显的表层聚集现象。
The soil organic carbon and total nitrogen contents obviously decreased and shown an upper-accumulated pattern.
土壤有机质和全氮含量也自上而下显著的下降,表现出明显的表层聚集现象。
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