nitrogen source的例句大全

A Nitrogen Plasma Light Source Stimulated by RF Electrodeless Field Discharge for CTCP Technology in Printing

用于CTCP技术的射频无电极放电氮气等离子体光源研究

Nitrogen-doped TiO_2 nano-sized powders were prepared by the mechanochemical reaction method on 600 r · min~ (-1) milled 2 hours and calcined using anatase TiO_2 as raw material and hexamethylenetetramine ( HMT) as N source.

以锐钛矿型TiO2为原料，HMT（六亚甲基四胺）为掺杂N源，采用机械化学法经过600r.min-1×2h高能球磨，后续以焙烧处理，合成了N掺杂纳米TiO2粉末。

Quick Survey of Lifetime of Thermionic Source in Nitrogen-Phosphorus Detector with APPLE ⅱ Computer

微机快速考查氮磷检测器（NPD）中热离子源的寿命

Study on single-stage biological nitrogen removal technique with recycling of carbon source

碳源循环单级生物脱氮技术研究

always use an external source of nitrogen or air for this purpose.

做类似事情时,只能用氮气或空气作为外在气源.

Light intensity directly influenced the rate of photosynthesis and the amount of photosynthetic products transported to the root nodule used as energy source of nitrogen fixation of.

光照强度直接影响大豆-根瘤菌共生固氮体系的光合产物运向根瘤的数量和根瘤菌固氮作用的能源供应。

study progress on non-point source pollution based on loss of nitrogen

基于氮素流失对非点源污染研究的述评

using sludge hydrolysis-acidification liquor as carbon source for nitrogen and phosphorus removal in a~ 2/ o system

污泥水解酸化液用作A~2/O系统脱氮除磷碳源的研究

the removal efficiency of organic compounds, ammonia nitrogen, nitrite nitrogen, chromatically color material, turbidity and phosphorus, manganese etc in the source water from the yellow river is studied with ozone biological active carbon in the water supply treatment process in the paper.

采用臭氧氧化与生物活性炭工艺相结合，以黄河水为水源水，对水源水中有机物、氨氮、亚硝酸盐氮、色度、浊度、磷、锰等去除效果进行了试验研究。

It showed that biological pretreatment of polluted source water was effective and without side-effect specially in removing ammonia nitrogen, phenol and organic contaminants.

分析结论是，污染源水的生物法预处理是一种经济有效且无副作用的方法，其本质是水体天然自净过程的人工化，对NH3-N、酚和有机物，具有较满意的去除效率。

Under deficient source water alkalinity, the capabilities and the procedure of the alternating aerobic/ anoxic SBR process for nitrogen removal were studied.

当原水碱度不足时，针对SBR工艺，采用好氧/缺氧循环的运行方式进行脱氮性能及其过程控制的研究。

Pollution of manganese and ammonia nitrogen in water supply of Fuyang water source

富阳市生活饮用水锰、氨氮污染的调查

Sediment pool was carbon source and nitrogen sink for coast ecosystem.

潮滩沉积物是河口生态系统重要的碳源与氮汇。

Supplying ammonium nitrogen as main N source without bicarbonate in the nutrient solution, the roots of kidney beans were harmed during the early growth period, and the wilting phenomena of leaves took place.

以NH4+N为主要氮源且无HCO3-存在时，培养前期菜豆根系就发生受害现象，叶片出现萎蔫；

Nitrogen ( N) and phosphorus ( P) enriched and transported from farmland soil are the major source of agricultural non-point source pollution.

过量施肥导致的农田土壤氮磷的富集和迁移是农业面源污染的重要来源。

Nitrate ( NO3-) is the main source of inorganic nitrogen for plants in aerobic soil conditions.

硝态氮是旱地土壤上作物吸收和利用的主要无机氮素形态。

Regulating source sink relationships or nutrient level in the plant by leaf cutting, spikelet thinning or nitrogen application at heading could increase or reduce the enzyme activities in grains, especially in the inferior at early filling stage.

在抽穗期通过剪叶、疏花或施用氮素等调节灌浆初期的源库关系或植株体内的营养水平，能增加或降低籽粒中特别是弱势粒中酶的活性。

The beef extract, a beef derivative, is a source of organic carbon, nitrogen, vitamins, and inorganic salts.

牛肉萃取物是一种牛肉衍生制品，可以作为有机碳、、生素与无机盐类的一个来源。

This paper shows some examples of gas rich in nitrogen in the marine strata of South China, explains their distribution characteristics, and discusses various source and formation mechanism of nitrogen.

列举了南方海相地层富氮天然气实例，阐述了富氮天然气分布特点，探讨了氮气来源和形成机理。

Rice plants grown in paddy fields preferentially use ammonium as a source of inorganic nitrogen.

水稻长在大田中主要以铵盐为无机氮源。