氮素,nitrogen
1)nitrogen[英]['na?tr?d??n][美]['na?tr?d??n]氮素
1.Dynamic changes of nitrogen in precipitation in lower reach of Liaohe River Plain;下辽河平原降雨中氮素的动态变化
2.Review on application of color model in monitoring nitrogen status of vegetables;颜色模型在蔬菜氮素诊断中的应用前景探讨
3.The dynamic characteristics and modeling of nitrogen in paddy field surface water and nitrogen loss from field drainage;水稻田面水氮素的动态特征、模式表征及排水流失研究
英文短句/例句

1.Relationship between soil nitrate,nitrogen balance and utilization in rainfed land旱地土壤硝态氮与氮素平衡、氮肥利用的关系
2.Study on Adjustment of the Ratio of C to N by Adding N During Straw Turnover秸秆还田添加氮素调节碳氮比的研究
3.Effects of the Amount of Basic and Tillering Nitrogen Applied on Absorption and Utilization of Nitrogen in Rice氮素基、蘖肥用量对水稻氮素吸收与利用的影响
4.Study on the Key Enzymes in Nitrogen Assimilation and Metabolism in Soybean (Glycine Max(L.)Merrill);大豆氮素同化关键酶及氮素代谢规律研究
5.Studies on the Nitrogen Transform and Reducing Nitrogen Loss during Composting;堆肥氮素转化及原位减少氮素损失的研究
6.Research on the Effect of Nitrogen Form on Growth Physiology and Nitrogen Absorption-utilization in Four Tea Varieties (Camellia Sinensis L.)氮素形态对茶树生长及氮素吸收利用的影响
7.A DIAGNOSIS OF NITROGEN NUTRITION IN COTTON PLANTS--THE RELATIONSHIP BETWEEN THE AMINO--NITROGEN AND THE LEVEL OF NITROGENOUS NUTRITION IN COTTON LEAVES棉花氮素营养诊断——棉花叶片氨基态氮与氮素营养水平的关系
8.Sources of Nicotine-N and Effects of Nitrogen Supply on Growth, Nitrogen Uptake, Nicotine Contents in Nicotiana Tabacum Plants;烟碱氮素来源和供氮对烤烟生长、氮素吸收、烟碱含量的影响
9.Effects of Nitrogen Management on Rice Nitrogen Uptake and Nitrogen Concentrations in the Leachate from Rice Field氮肥运筹对水稻氮素吸收和稻田渗漏液氮素浓度影响
10.Studies on Nitrogen Uptake Characteristics, Nitrogen Use Efficiency, Real Time Nitrogen Management, and Site Specific Nutrient Management of Irrigated Rice;水稻氮素营养特性、氮肥利用率与实时实地氮肥管理的研究
11.The Effects of N Application Levels on N Use Efficiency in Rice Growth Stages and the Dynamic Variation of N Leaching in Paddy Field;施氮水平对水稻生育期氮素利用率及稻田氮淋失动态的研究
12.Effect of Combined Application of Organic and Inorganic Fertilizer on Soil Microbial Biomass Nitrogen and Nitrogen Cycle;有机无机氮源配合施用对土壤微生物生物量氮及氮素循环的影响
13.Effects of the Final and Different Stage of Nitrogen Application on the Nitrogen Distribution and Using Efficiency of Sugarcane;不同施氮时期和施氮终止期对甘蔗氮素吸收分布影响的研究
14.Effects of Nitrogen Fertilizer Regulation on Vegetables Nitrogen Utilization and Soil Nitrate-N Residue氮肥调控对蔬菜氮素利用及土壤硝态氮残留的影响研究
15.Effect of Different Nitrogen Rates on Nitrogen Utilization and Residual Soil Nitrate of Spring Maize不同施氮水平对春玉米氮素利用及土壤硝态氮残留的影响
16.Effects of Models of N Application on Greenhouse Tomato N Uptake,Utilization and Soil NO_3~--N Accumulation施氮模式对番茄氮素吸收利用及土壤硝态氮累积的影响
17.Relationship of Activities of Key Enzymes Involved in Nitrogen Metabolism with Nitrogen Utilization in Rice under Water-Nitrogen Interaction水氮互作下水稻氮代谢关键酶活性与氮素利用的关系
18.Effects of Nitrogen Application Rate on Nitrogen Absorption,Translocation and Fertilizer-nitrogen Use Efficiency in Japonica Rice Cultivar Nanjing 44施氮量对南粳44氮素吸收运转及氮肥利用效率的影响
相关短句/例句

Nitrogen element氮素
1.In the experiment,the Lettuce was used as experimental material,adopted the way of substrate culture to study the effects of Nitrogen element different supply levels on the nitrate accumulation of Lettuce.试验以莴苣为试验材料,采用基质培方法,研究了氮素不同供应水平对莴苣硝酸盐积累的影响。
2.The influence of variety, rice blast and nitrogen element on the quality of early Japonica rice was studied .本课题以近几年我省主栽的水稻品种为试材,采取稻瘟病抗性与稻米品质相关统计分析和对比试验等方法,研究了水稻品种、稻瘟病及氮素对早粳稻米品质的影响,旨在为寒地稻作区优质米品种的选育和高产栽培提供理论依据和技术支持。
3.The advances of studies on nitrogen element of rubber plantations are reviewed.综述国内外橡胶林氮素研究进展,分析橡胶林氮素研究的发展趋势,指出系统动态模拟与指导施肥相结合是今后橡胶林生态系统养分循环研究的创新方向。
3)nitrogen source氮素
1.Effects of carbon and nitrogen sources on extracellular enzyme production by Coriolus versicolor;碳素和氮素对Coriolus versicolor胞外酶分泌的影响
2.The effects of carbon and nitrogen sources on the added methane oxidation and the population methane\|oxidizing bacteria in marine\|fluvigenic yellow loamy paddy soil were studied.研究了碳素和氮素物质对黄松田土壤中甲烷氧化菌种群及其甲烷氧化活性的影响 。
4)nitrogen element氮元素
1.During the combustion process of coal, the nitrogen element in coal may turn to various oxides of nitrogen, thereby, resulting in ambient pollution.煤中氮元素在煤燃烧过程中会转化为各种氮的氧化物,从而造成环境污染。
2.Analysis by EPMA shows that the peak value of distribution of nitrogen element inside the pure iron with ion RE-nitridation is about 100 μm deeper than that with ion nitridation.采用辉光放电离子溅射法成功地将稀土元素Ce,La和氮元素以较高浓度渗入纯铁。
5)Nitrogen pollution氮素污染
1.Animal husbandry exerted very important effects on meat product supply,people\'s life improvement and farmer\'s income increase,but the nitrogen of livestock manure polluted the environment,so it was important to strengthen the research about nitrogen pollution and environmental cost of livestock manure.畜禽养殖在保障肉食供应、改善居民生活、增加农民收入等方面发挥着重要作用,但是畜禽粪便中的氮素也给环境造成严重污染,加强畜禽粪便氮素污染及其环境成本研究有重要意义。
6)nitrogen metabolism氮素代谢
1.Effects of exogenous Ca~(2+) on nitrogen metabolism in wheat seedlings;外源钙离子对小麦幼苗氮素代谢的影响
2.Effect of two diphenylethers herbicides on growth and nitrogen metabolism of peanut at the seedling stage;两种二苯醚类除草剂对花生苗期生长发育及氮素代谢的影响
3.Effects of doubled atmospheric CO_2 concentration on nitrogen metabolism of tra nsgenic Bt cotton under different nitrogen fertilization levels.不同氮素水平下CO_2倍增对转Bt棉花氮素代谢的影响
延伸阅读

氮素肥料分子式:分子量:CAS号:性质:见氮肥。