1.
Study and Application of Chilled Non-nitrogen and Non-phenol Furan Resin Sand;
无氮无酚冷硬呋喃树脂砂的研究与应用
2.
Investigation of Carbonitride in Nitrogen-combining 18Mn-4Cr-0.4C Non-magnetic Steel;
含氮18Mn-4Cr-0.4C无磁钢的碳氮化合物研究
3.
Being odorless, colorless, tasteless, and non-irritating, nitrogen has no warning properties.
由于无嗅、无色、无味、无刺激性，氮没有警告性特征。
4.
Low-nitrogen combustion technology, smokeless and odorless, without harmful gas.
无二次污染低氮燃烧技术，无烟，无臭，无有害气体。
5.
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
6.
Effect of Combined Use of Organic and Inorganic Nitrogen Fertilizer on Rice Yield and Nitrogen Use Efficiency
有机氮部分替代无机氮对水稻产量和氮素利用率的影响
7.
Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.
秸秆还田增加了土壤全氮和无机氮含量。
8.
Being odorless, colorless, tasteless, and non-irritating, nitrogen has no warning properties. Humans possess no senses that can detect the presence of nitrogen.
由于无嗅、无色、无味、无刺激性，氮没有警告性特征。人类没有能够探测到氮的存在的官能。
9.
· RESULTS: The 1g/L azone eyedrops did not affect the IOP.
/L氮酮滴眼液对兔眼内压无影响。
10.
Nutrients Exchange at the Sediment-water Interface along the Tidal Flat of Yangtze Estuary;
长江口潮滩无机氮界面交换通量研究
11.
Study on Application of Nitrogen-Containing phenolic resin in Halogen-free Copper Clad Laminate
含氮酚醛在无卤覆铜板中的应用研究
12.
The Interaction between Heavy Metals and Inorganic Nitrogen in the Soil
土壤中的无机氮与重金属的相互影响
13.
Preparation,characterization and biological evaluation of azido-seconucleoside analogues
叠氮无环核苷的制备、表征及活性测试
14.
DETERMINATION OF OXYGEN IN OXYGEN FREE COPPER ROD USING TC600 OXYGEN/NITROGEN DETERMINATOR
TC600氧氮分析仪测定无氧铜杆中氧
15.
The effects of coated slow/controlled fertilizer on winter wheat yield,soil Nmin and nitrogen use efficiency
包裹型缓/控释肥对冬小麦产量、土壤无机氮和氮肥利用效率的影响
16.
Effects of nitrogen fertilization application and faba bean/maize intercropping on the spatial and temporal distribution of soil inorganic nitrogen
施氮量和蚕豆/玉米间作对土壤无机氮时空分布的影响
17.
Effects of Proportioning Fertilization of Organic and Inorganic N on Growth and Yield of Chinese Cabbage
有机氮与无机氮配施对大白菜生长与产量的影响
18.
Effects of partial mineral nitrogen substitution by organic fertilizer nitrogen on the yields of rice grains and its proper substitution rate
有机肥料氮替代部分无机氮对水稻产量的影响及替代率研究