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- Remobilization of nitrate in leaf vacuoles of crops is closely related to nitrogen use efficiency of crop. 作物液泡中硝酸根离子的再调动和再利用与作物氮素高效利用关系密切。
- Nitrogen use will however, reduce oxidation, enabling the use of less active fluxes and lesser quantities of flux for adequate soldering. 尽管如此,使用氮气可以降低氧化,并允许使用活性较低的助焊剂,并降低正常焊接使用的焊剂量。
- Liu J A,Mi G H,Chen F J,Zhang F S.Genotype differences on nitrogen use efficiency among maize hybrids[J].Plant Nutr.Fert.Sci.,2002,8(3):276-281. [8]刘建安;米国华;陈范骏;张福锁.;玉米杂交种氮效率基因型差异[J]
- Compared with Urea fertilizers treatments.SCU, CCF, LPK, Low N suitable P&K treatments all had higher nitrogen use efficiencies, especially SCU. 肥料SCU、CCF、LPK和低N适PK的氮素利用率均显明高于普通尿素，SCU优势最为显著。
- Sinebo W,Gretzmacher R,Edelbauer A.Genotypic variation for nitrogen use efficiency in Ethiopian bailey[J].Field Crops Research,2004,85:43-60. 刘建安米国华.;不同基因型玉米氮效率差异的比较研究[J]
- The corn yield and nitrogen use efficiency are significantly increased with the same or half nitrogen amount treatments of CRNF. 同等和减半施氮量条件下，玉米产量和氮素利用率都有显著提高。
- Xu X Y,Zhang M M,Zhai B N et al.Genotypic ariation in nitrogen use efficiency in summer maize[J].Plant Nutr.Fert.Sci.,2006,12(4):495-499. [9]徐祥玉;张敏敏;翟丙年;等.;夏玉米氮效率基因型差异研究[J]
- The results indicate that reflectance measurements may provide a simple, fast and inexpensive tool for the screening of nitrogen use effciency of different maize genotypes. 上述结果说明,开花期前后的反射测量可以作为玉米氮效率筛选的一个简单、快速而经济的评估工具。
- Nitrogen (N) fertilizer use efficiency can be improved by two ways, that is, optimized N fertilizer management and genetic improvement of nitrogen use efficiency (NUE) of crops. 摘要提高氮肥利用率依赖于氮肥优化管理及作物氮素营养效率的遗传改良。
- The results showed that 5 varieties of DK743, DK656, YY22, ZD2 and HD1 had high nitrogen use efficiency (NUE), but another two varieties of JD2 and SY905 had low NUE. 结果表明，DK743、DK656、豫玉22、中单2号、户单1号5个品种N素营养效率较高；酒单2号和石玉905是低N素营养效率的品种。
- But nitrogen use efficiency was gradually decreased, and that of treatment W0 was the highest while there was no significant difference among treatment W2, W3 and W4. 而氮素利用效率则呈逐渐降低趋势，其中W0处理的氮素利用效率显著高于其他处理，W2、W3、W4处理间无显著差异。
- Based on the OsNrt2.1 cDNA sequence of rice (Oryza sativa) cultivar Nipponbare,a nitrate transporter gene OsTNrt2.1 with high similarity with OsNrt2.1 was cloned from TP309,a rice cultivar with high nitrogen use efficiency. 根据Nipponbare的OsNrt2.;1cDNA序列;从氮效率较高的水稻品种TP309中克隆了与OsNrt2
- Oxygen can be separated from nitrogen using Pressure/Vacuum Swing Adsorption (PSA/VSA) technology. 使用压力/真空旋转吸附（PSA/VSA）技术可以把氧和氮分离开。
- Chemiluminescence Determination of Ammonia cat Nitrogen Using Plow Injection Analysis. 流动注射化学发光法测定氨氮的研究
- Asparagine can later be broken down and the nitrogen used in amino acid synthesis. 天冬酰胺此后分解，氮在氨基酸的合成中被使用。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- Alloy steel was plasma nitirded under the atmosphere of pure nitrogen using active screen plasma nitriding(ASPN)at high voltage and low pressure. 采用高电压、低气压的离子渗氮工艺,利用活性屏离子渗氮(ASPN)技术对合金钢在纯氮气氛下进行离子渗氮处理。
- The crucial point for the nitrogen plant producing high-purity nitrogen used for electronic industry is the removal of carbon monoxide and hydrogen. 生产电子工业用高纯氮的制氮装置,其要点和难点是一氧化碳和氢的清除。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The Concentration of hydrogen peroxide and organic peroxides in air were determined by spectrophotometry, the peroxides were captured by liquid nitrogen using Horibe tube. 采用液氮冷冻法采集大气中的过氧化物,并用分光光度法测定其浓度。
