nitrogen concentration的例句大全

Work-place air-determination of mass concentration of nitrogen dioxide-method using detector tubes for short-term sampling with direct indication

工作场所的空气-二氧化氮密浓度的测定-用直接指示的短期取样用检测管进行测定的方法

The square of coloring development length of the tube was directly proportional to the product of the nitrogen dioxide concentration and sampling time.

根据时间和显色长度可求出环境中二氧化氮的浓度。

Effect of Hydrilla verticillata Decomposition Biomass on Nitrogen Content in Water Containing High Concentration of Nitrate

腐解黑藻生物量对高硝态氮水体氮素的影响

Adopting break point chlorination and managing related factors conditions made the concentration of ammonia nitrogen in outlet water significantly less than the national standard.

控制折点氯化法工艺条件，出水氨氮明显低于国家排放标准。通过焦炭有效去除水中余氯，达到安全排放。

There are many uncertainties in the role of forest ecosystems in slowing down the increases of atmospheric carbon dioxide concentration and their responses to and feedbacks on the global change associated with the increasing CO_2 concentration in the atmosphere and the global increase in nitrogen deposition.

在大气CO2浓度升高和氮沉降增加等全球变化背景下，森林生态系统减缓CO2浓度升高的作用及其对全球变化的响应和反馈存在诸多不确定性。

Till now, there are mainly three global environment problems, including an increase in CO2 concentration in the air, and nitrogen ( N) deposition, and a decrease in biodiversity, which are all closely related to human activities.

当今世界三大环境问题：空气中CO2含量逐渐升高、氮沉积效应和生物多样性下降，都与人类活动有着密切的关系。

Total nitrogen and total phosphor are two important indicators of sea environmental monitoring, high concentration of phosphate and nitride can cause seawater eutrophication, finally lead to russet tide.

总氮、总磷是海洋生态环境监测的重要指标，海水中总氮总磷含量超过一定指标，就会引起水体富营养化，造成赤潮严重的生态后果。

the experimental study of removing low concentration of ammonia nitrogen from the water source by zeolites

沸石去除水源中低浓度氨氮的实验研究

variation of nitrogen and phosphorus concentration in water-sediment system and influence of overlying water on the algae growth

沉积物-水系统中氮磷变化与上覆水对藻类生长的影响

the effects of nitrogen source and concentration on the nutritional value of nannochloropsis oculata

氮源及浓度对微绿球藻营养价值的影响

stationary source emissions - determination of the mass concentration of nitrogen oxides - naphthylethylenediamine photometric method

固定源辐射.氮氧化合物质量浓度的测定.萘二胺光度测定法

the influence on the nitrogen content of the fibers of the 4 factors, duration, temperature, ph value and alkali concentration, was researched with the average nitrogen content of the grey cloth as the reference.

以坯布平均氮质量分数为基准，研究了时间、温度、pH值及碱剂用量对大豆蛋白纤维氮质量分数的影响。

the investigation mainly focused on the effect of seed age, inoculation, initial ph, rotation, concentration of fishmeal wastewater, compositions of fermentation medium and the ratio of carbon to nitrogen on lactic acid production, cod reduction and biomass formation.

以合成培养基和鱼粉废水替代培养基为原料，考查了种龄、接种量、摇床转速、初始pH、鱼粉废水浓度、培养基组成、碳氮比等因素对菌株生成乳酸的影响。

the condition for cultivating garlic root is that ec of nutrition solution should be in 0.6-1.8ms/cm with suitable concentration of nitrogen, phosphorus and potassium.

大蒜根尖培养液条件应为在水中加入复合水培养剂或适量氮磷钾营养剂控制电导率在0.6～1.8mS·cm-1；

the concentration of nitrate nitrogen increases along with the water content reduces, and they assume deep functional relations;

硝态氮浓度随含水量的增加而减少，并呈冥函数关系；

High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.

人们早已知道,二氧化硫 、 氮 、 氧化物和尘埃浓度高是有害的.

High irradiation dose, monomer concentration, inflated with nitrogen increased chloramphenicol degrading efficieney;

辐照剂量高，单体浓度低和充氮，降率高；

The design and structure of nitrogen tetroxide concentration monitor are introduced.

介绍了四氧化二氮毒气浓度监测仪的设计思路和组成结构。

The NO x emission concentration is increased along with the augmentation of coal nitrogen content.

随着煤粉含氮量的增加，NOx的排放浓度也在增加；

The broth contained high concentration of amino nitrogen and fungal polysaccharide.

该发酵液含有较高的氨基态氮,香菇多糖.