nutrient concentration

This paper introduces the current situation of the seawater nutrient concentration measurement instrument onboard and in the lab in China and other countries , describes the basic principle of measuring nutrient salts concentration with photometry , and analyses the in situ measurement of the Autonomous Analysis Instrument .

本文介绍了目前国内外可应用于船舶和实验室营养盐浓度测量仪器的研究现状，简述了分光光度法测量营养盐浓度的基本原理，分析了自行研制的营养盐分析仪现场测量情况。

Effects of Nutrient Concentration and DO Status of Heavily Polluted Urban Stream Water on Nitrogen Release from Sediment

城市重污染河道上覆水氮营养盐浓度及DO水平对底质氮释放的影响

Flat against the runoff nutrient concentration has little effect .

平作对径流养分浓度影响不大。

Under different aluminum stress , different nutrient concentration play relief effect exist certain differences .

不同的铝胁迫下，不同的养分浓度发挥的缓解作用存在一定的差异。

Research on actual nutrient concentration of different swine manure

对HDL、LDL腔内壁面浓度与不同喂养类型猪粪养分含量现状调查

Changes of nutrient concentration during the decomposition process of oak twigs

辽东栎枝条分解过程中几种主要营养元素的变化

Study on Nutrient Concentration Status of Pepper

胡椒养分含量状况的研究

Nitrogen and phosphorus rate of celery increased with increasing nutrient concentration in the tested water .

芹菜植株的含氮、磷率随受试水样中营养物质浓度的增加而增加。

The dynamics of nutrient concentration in the foliage of the two species are asynchronous .

大部分营养元素在二树种叶中的含量动态呈非同步性。

Effect of Water Nutrient Concentration on Photosynthetic Fluorescence Characteristics of Vallisneria natans

水体营养盐质量浓度对苦草光合荧光特性的影响

Effect of Fertilization on Nutrient Concentration of Organs for Korean Pine and Larch Seedlings

施肥对红松和落叶松幼苗各器官养分含量的影响

Effect of Rootstock on Mineral Nutrient Concentration in the Leaf of Xianfeng Orange

不同砧木对先锋橙矿质营养元素含量的影响

The influence of nutrient concentration on dominant growth of Sphaerotilus in mixed bacteria is studied in this article .

本研究着重考察营养浓度对于混合菌群中球衣细菌的优势生长的影响。

The nutrient concentration of bed load of soil ioss was over the sediment load in the slope land .

坡面流失泥沙悬移质养分浓度均高于推移质中的养分浓度。

But the VE content and mineral nutrient concentration in fruits of NE were lower than those of LE .

但VE含量要低于鲁茄。尼茄果实中主要矿质元素的含量均低于鲁茄。

Nutrients and Its Effects on Phytoplankton in Seawater oceanica does not show positive correlation with high nutrient concentration .

海水营养盐及其对浮游植物的影响oceanica的含量与海水营养盐存在一定的关系，但两者之间并不存在明显的正相关性；暖水分子U。

The forming of dinoflagellate red tide was not nec-cessary relative to the nutrient concentration in water column .

甲藻赤潮的发生并不完全依靠水体中营养盐浓度的大小。

Several suggestions on specialty fertilizer formula , nutrient concentration of compound fertilizer , and terms in national standard are presented from agronomy viewpoint .

对专用肥配方、复混肥的浓度、复混肥标准的一些规定从农艺角度提出一些意见。

The pH value , nutrient concentration of K and Ca in the storm were very high due to the influence of maritime tropical air mass ;

因受海洋气团的影响，台风过程中该地降水的pH值、K和Ca含量很高；

Analysis of change of the nutrient concentration in porewater with depth indicates the relation between the oxidative-reductive conditions and the nutrient concentration .

对沉积物中孔隙水营养盐浓度随深度的变化分析，表明了沉积物孔隙水中营养盐浓度变化与氧化还原环境的关系。

The result showed that there was a significantly positive correlation between soil temperature and nutrient concentration in soil solution when soil water was pot deficient to plant growth .

研究表明，在农田土壤水分不亏缺的条件下，温度与麦田土壤溶液浓度呈正相关关系。

The salt tolerant genotypes did not have higher nutrient concentration and accumulation than the sensitive ones when exposed to Cd and Na stresses .

在Na胁迫下，耐盐基因型的矿质养分含量和积累量比盐敏感基因型高，而在Cd胁迫下没有发现同样的规律。

Contents of N , P , K , Ca , Mg in the plant rose along with the increase of nutrient concentration , but not linearly .

随着营养液浓度提高，植株中N、P、K、Ca、Mg含量增加，但不成线性关系。

Then , high nutrient concentration and low secchi disk depth was found . The nutrient concentration has opposite distribution trend , due to the consumption of phytoplankton .

营养盐浓度由于浮游植物的消耗则有相反的分布趋势。

The result indicates that there is significant difference in nutrient concentration for leaves , which is incarnated by large coefficient of variation , especially by low yield bamboo fields .

调查样点叶片养分浓度差异较大，反映在毛竹林各元素养分变异系数普遍较大，特别是低产竹林。

The average nutrient concentration in eucalyptus ( C ) decreased with tree age ( t ) increasing , and its decreasing rate related to fertilization levels ( Q ) .

树体养分的平均浓度C随林龄t增大而降低，降低速率与施肥强度Q相关；

The concentration of P and K in peanut could be increased if fertilizer was applied , indicating that the supply level of soil nutrients decided the nutrient concentration in plants .

施肥可以提高花生植株磷、钾的浓度，表明作物的养分含量受土壤养分供应水平的影响。

The nutrient concentration of runoff in low runoff is higher and it shall pay attention to the structural incubation and optimization of soil system for reducing nutrient loss as less as possible .

顺坡种植油菜-花生处理，坡面流失泥沙钾、磷养分浓度高于休闲裸坡处理。低径流量中径流的养分浓度大，应注意土壤系统结构培育和优化，尽量减少养分流失。

Based on seasonal sampling and chemical analysis of sediments and water samples taken from Shanghai tidal flat , the nutrient concentration distribution of porewater , migration and diffusive fluxes have been studied .

通过2月枯季和8月洪季样品的采集、室内分析和测试，对滨岸带潮滩沉积物孔隙水中营养盐含量的分布、迁移和扩散通量进行了初步研究。

The increase in the biomass of celery in eutrophic water was in no relation to the nutrient concentration of the tested water . Root growth was in inverse correlation to the nutrients concentration .

芹菜在富营养化水体中生长时生物量增加倍数与受试水样中营养物质浓度的高低没有相关性，根系生长与其呈负相关。