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- Effects of planting patterns on dry weight, N yield and dinitrogen fixation in alfalfa meadow fescue pasture are studied by using split plot design in the field for two successive years. 田间试验采用裂区设计，在不同种植模式下采用15N示踪研究了苜蓿与牛尾草混播及单播草地的产草量、产氮量和固氮量的变化。
- Effect of Pod Removal on Dinitrogen Fixation of Soybean Plants Differing in Growth Habit 去荚对不同生长习性大豆固氮活性的影响
- He has a fixation on older women. 他对于年长的女人有病态的依恋。
- dinitrogen fixation 固氮作用
- Dinitrogen trioxide、Nitrogen trioxde. 三氧化二氮;
- An abnormally obsessive preoccupation or attachment; a fixation. 迷恋，迷信(物)不正常地萦绕于心头的事物或情感; 固恋
- We received some documentation on dune fixation. 我们收到了一些关于沙丘固定的资料。
- Some organic systems involve more complex fixation. 一些有机体系还牵涉到比较复杂的凝固。
- We have a discussion on dune fixation. 我们对沙丘固定的问题展开讨论。
- He's got this fixation with cleanliness. 他有洁癖。
- Nitration ability of dinitrogen pentoxide was introduced. 介绍了五氧化二氮的硝化能力,综述了五氧化二氮在硝化反应中的研究进展。
- Plaster was used for fixation and immobilization. 石膏固定。
- A topic with which one is obsessed;a fixation. 反复爱讲的话题；固结，依恋
- Such a fixation with money can't be healthy. 这般地迷恋钱财可能是病态的。
- A topic with which one is obsessed; a fixation. 反复爱讲的话题；固结，依恋
- How long will the fixation last? 夹板固定要持续多久?
- However, until fixation, He was unable to time out. 不过，直到杀青，他还是没能挤出时间。
- So began Norma Jeane's fixation on Jean Harlow. 这就使诺玛-琼开始了对简-哈洛追崇。
- A new mesh fixation method without stapling. 外文期刊 Laparoscopic incisional hernia repair.
- The fixation of the stapes may progress rapidly during pregnancy. 在怀孕期镫骨固定可能迅速发展。
