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1)  nitrogen fixation effects
固氮效应
2)  Symbiotic nitrogen-fixing effect
共生固氮效应
3)  N-fixation efficiency
固氮效率
1.
Then,correlation analysis was carried out between growth quantity and N-fixation efficiency.
以海滨木槿为对照,测定其年相对高生长量、年相对径生长量、固氮效率,并对生长量与固氮效率的相关性进行分析。
4)  water and nitrogen effect
水氮效应
5)  Nitrogen fertilizer effect
氮肥效应
1.
Influence of different preceding crops on nitrogen fertilizer effect of flue-cured tobacco;
不同前作对烤烟氮肥效应的影响
6)  nitrogen fixation enhancement
增氮效应
补充资料:固氮


固氮
NitrFixation

NitrFixation氮画固李道纯华东化工学院(1.)洪国藩中国科学院上海生物化学研究所(2.)倪福弟中国科学院上海生物化学研究所(2.)林国栋厦门大学化学系(3.)张鸿斌厦门、大学化学系(3.)1.2.2 1.2 .2.2.2.12 .2.2.2 .2.3.2 .2.4.2.2.5.2 .3.2 .3.1.2 .3.2.概述··········································……113生物固氮····································……11魂历史沿革···,································……114固氮酶·······································……l州分子结构····································……114理化特性··…‘······························……1巧酶促反应·‘······························,···……1巧分离纯化及活性测定·····················……115活性中心模型······················,····,··……l是6自生固氮作用·····················,,·······……]16肺炎克氏固氮杆菌························……116Kp的固氮遗传···························……1172.4.共生固氮作用······························……1182.4.1.根瘤菌与豆科植物共生固氮体系····……1182.4.2.根瘤菌的分子遗传························……1182.4.3.根瘤菌的固氮基因························……1182.4.4.根瘤菌的结瘤基因························……1192,4.5.宿主植物在共生固氮中的作用··········“”·1203.化学固氮“·····,····“························一12031.过渡金属双氮配位化合物···············……1203.2.经由氮化物的固氮作用··················……1223.3.水溶液中的固氮体系····················……1233.4.电化学或光化学方法固氮········,······……123参考文献······································,·········……1241.概述 氮是蛋白质

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