查询词典 nitrogen

In this paper, in order to better understand the molecular nitrogen and other gases in the discharge of space plasma discharge process mechanism, on the establishment of a nitrogen capacitive coupling of the RF glow discharge particle simulation combined with Monte Carlo and from the simulation of the N2 RF discharge electricity in the space distribution of the electric field and charged particles (e, N2 +, N +) acts.

本文为了更好的理解氮气以及其他分子气体放电在放电空间的等离子体过程机理，建立了一个关于N2电容耦合射频辉光放电的粒子模拟与蒙特卡罗相结合的自恰模拟，模拟了N2射频放电在放电空间的电场分布和带电粒子（e， N2+，N+）行为。

With morphology characteristics of erosion concave of Ag and Pd contact materials in nitrogen and air being compared, influence on erosion, welding and breakdown voltage of contact for nitrogen and SF_6 being analyzed, influence on contact for the formic acid, toluene, carbinol and distilled water being analyzed, it was showed that the influence on performance parameters of relay contact for various atmospheres is very com...

通过比较触头材料Ag和Pd分别在氮气和空气中侵蚀凹坑的形状特征，分析了氮气和SF6等气氛对触头侵蚀、熔焊、耐压的影响，及甲酸、甲苯、甲醇、蒸馏水等对触头的影响，表明各种气氛对继电器触头性能参数的影响十分复杂，该影响涉及对电弧运动规律的影响和与材料的化学反应。

Yet carotenoid and nitrate nitrogen in leaf sheath showed no obvious relationship with nitrogen uptake and utilization.

阐明了氮素利用效率不同的三类水稻品种的C、N代谢差异及其与氮素调控的关系。

In order to enhance the bio-nitrogen and phosphorus removal of the modified Carrousel oxidation ditch process,the treatment performance,the principle of bio-nitrogen and bio-phosphorus removal have been discussed,at the same time the influencing factors to the effluent quality have been analyzed from the operation practice for 3 years.

为了提高改良型Carrousel氧化沟工艺污水处理厂的脱氮除磷效果，结合某污水处理厂3年的运行实践，讨论了该工艺的处理效果，生物脱氮除磷原理及影响出水效果的因素。

Based on the nitrogen content measured vial Kjeldahl nitrogen detection equipment,the substituted degree of cellulose nitrate by nitric acid was calculated to be 2.75 per glucose unit.

分别把NanoG、RNG和ONG加入到硝酸纤维素的丙酮溶液中，经过超声波震荡处理，挥发溶剂后得到三种纳米石墨导电复合膜。

This experiment has researched the Ecological Balanced Fertilization Model's four parameters, namely, P、Lfsp、T_(n+1)、T_n; And applicating four parameters forecasted the dosage of nitrogen fertilizer of soybean in Themeadow Chernozem, soybean output reached 2800kg·hm~(-2), it required 78.86kg·hm~(-2) pure nitrogen.

本试验系统研究了生态平衡施肥模型的四个参数，即P、Lfsp、T_(n+1)、T_n；并初步应用四个参数对草甸黑土大豆生态平衡施氮量进行预测，大豆产量达到2800kg·hm~(-2)，需施纯氮78.86kg·hm~(-2)。

However, There is not the report about the effects of nitrogen on yield, quality and key enzymes in nitrogen metabolism of Chinese chive in a hydroponics system.

本试验以6韭菜品种为试材，研究了氮素营养对韭菜生理效应、氮代谢关键酶及硝态氮对不同韭菜品种的根系生长的影响，以期为韭菜低硝酸盐富集品种的选育及无土栽培提供理论依据。

In the nitrogen concentration of 8 mmol-L1, cultivar 791 and Hanzhong Chinese chive were studieded in the effects of different nitrogen forms and proportion on growth, nitrate content and the quality of nutrition.

以"791"和"汉中冬韭"为试材，研究了8 mmol·L~(-1)氮素水平下不同氮素形态及配比对791和汉中冬韭的生长状况、硝酸盐含量和营养品质的影响。

ABSTRACT nine fitted with rumen fistula proximal duodenum and the Inner Mongolia Cashmere Goats Jieyang (about 2 years old) were randomly divided into 3 groups, respectively fed nitrogen and sulfur than the same sulfur different sources (for sulfur, sulfide sodium and sodium sulfate), three kinds of diet, digestion and metabolism test and determination of chyme liquidity to explore different inorganic sulfur and nitrogen and sulfur deposition of sulfur circulation.

选用9 只装有瘤胃和十二指肠近端瘘管的内蒙古白绒山羊羯羊(2 周岁左右)，随机分成3组，分别饲喂氮硫比相同而硫源不同(分别为硫磺、硫化钠和硫酸钠)的3 种日粮，进行消化代谢试验和测定食糜流通量，以探讨不同无机硫对氮和硫的沉积量以及硫的流通规律。

The influences of heat exchanger and engine on system efficiency are distinguished. The thesis also analysis the efficiency of the compound cycle of liquid nitrogen engine operating on open Rankin cycle together with the liquid nitrogen refrigeration cycle and economy in detail.

首次采用变质量系统热力学原理探讨了通过对进气温度与缸内残余质量温度的控制有助于实现准等温膨胀的可行性；首次采用有限时间热力学对具有压降不可逆液氮发动机开式朗肯循环进行了工作过程分析，研究了漏气和压降对液氮发动机效率和功率的影响关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。