1.
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
2.
Study on Mathematical Model of Basic Nitrogen Poisoning for FCC Catalysts
催化裂化催化剂碱氮中毒数学模型的研究
3.
Forecast Model of Ratio of Total Sugar to Nicotine and Ratio of Total Nitrogen to Nicotine in Aged Flue-cured Tobacco
烤烟糖碱比和氮碱比的醇化预测模型研究
4.
Determination of capsaicin in rotenone-capsaicin suspension by nitrogen determination method
定氮法测定鱼藤酮辣椒碱悬浮剂中辣椒碱含量
5.
Relationship between Total Nitrogen,Total Alkaloid,Ratio of Total Nitrogen to Total Alkaloid and Sensory Quality in Flue-cured Tobacco Leaves of China
我国主产烟区烤烟总氮、总植物碱、氮碱比与感官质量的关系分析
6.
natural nitrogen-containing bases found in plants.
植物中天然形成的含氮碱。
7.
The basic nitrogen compounds include pyridines and quinolines.
碱性氮化物包括吡啶和喹啉。
8.
EFFECT OF BASIC NITROGEN COMPOUNDS (BNC) ON CATALYTIC DEWAXING OF LUBE OIL FRACTIONS
碱性氮化物对润滑油催化降凝的影响
9.
Effect of Basicity,Ammonia-N and COD on Independent Nitrification
碱度、氨氮负荷和COD对独立硝化的影响
10.
Quantum mechanical studies on basicity of nitrogen-containing compounds
含氮化合物碱性强弱的量子力学研究
11.
Effects of different of reagents and its catalyst oil ratio, concentration of alkali liquid on removal of basic nitrogen were investigated.
考察了试剂及剂油比、碱洗浓度对碱性氮脱除率的影响。
12.
Grey model GM(1,1) of sugar to nicotine and nitrogen to nicotine ratios in flue-cured tobacco aging process
烤烟醇化过程糖碱比、氮碱比的GM(1,1)灰色预测模型
13.
Responses of Nitrogen and Camptothecin Metabolism in Camptotheca Acuminata Seedlings to Different Nitrogen Nutrition;
喜树幼苗氮代谢和喜树碱代谢对不同氮素营养的响应
14.
Studies on the Synthesis and Biological Activities of Schiff Base of Triazole and Triazolo Thiadiazole Derivatires;
含三氮唑的希夫碱和三氮唑并噻二唑的合成及生物活性研究
15.
Nitrogen Uptake and Utilization and Nicotine Accumulation in Nicotiana Tabacum L. Influenced by Transplanting Date and Nitrogen Fertilizer
移栽期和氮肥对烤烟氮素吸收利用及烟碱积累的影响
16.
Effects of different land use types on accumulation of total and alkali-hydrolyzable nitrogen in soil vinyl house
不同土地利用类型对土壤全氮与碱解氮累积的影响
17.
Seasonal change characteristics of alkaline hydrolysis nitrogen and total nitrogen in typical Calamagrostis angustifolia wetland soils of Sanjiang Plain
三江平原小叶章湿地土壤中碱解氮和全氮含量的季节变化特征
18.
Analysis of Basic Nitrogen-Containing Compounds in Coal Liquefaction Products
煤炭直接液化油中含氮碱性化合物的分析