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- Nitrogen using ratio 氮肥利用率
- 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
- 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。
- 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。
- While the fifth energy is those saved by the proper measures to reduce energy loss and cost and advance the energy using ratio. 第五能源既采取一定的节能措施,降低能源的损失和浪费,提高能源的利用率而节省下来的能源。
- 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。
- 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。
- Advantages for improving use ratio of circulating water of modern packless spray cooling tower be suitable for northwest area and its transforms were put forward. 介绍了循环水冷却原理,提出适于我国西北地区的新型无填料喷雾冷却塔提高循环水利用率的优势及改造方案。
- 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]
- The use ratio of herbage was higher in the early grazed paddocks than that in the later grazed ones, but the productivity of the vegetation showed an opposite trend. 家畜对早放牧小区的牧草利用率高于晚放牧的小区,草地生产力则表现出相反的趋势。对于可利用牧草营养,早放牧的小区可提供较多的粗蛋白。
- 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。
- Spreading save-water irrigating techniques, raising use ratio of water resources and strengthening water resources management are the effective measures for optimum utilizing water resources. 实施节水灌溉技术，提高水资源有效利用率，强化水资源的统一管理，是实现水资源优化利用的有效途径。
- 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。
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