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- nitrogen growth index 氮生长指数
- In the search of rapid growth index props up the market, competitive pattern is occurrent change. 在快速增长的搜索引擎市场，竞争格局正在发生变化。
- Growth index had difference among period, C:N ratio and combination（P < 0.05）. 全氮含量随着时间的增加而增加，且不同时期和不同组合间差异显著（P < 0.;05）。
- In this paper,we compared the growth index of the mature embryos of five cultivars of Ginkgo biloba L.in three basic media (B_5,WPM,DCR). 选用5个优良银杏品种的成熟胚;分别接种在B5、WPM、DCR3种基本培养基上进行试管培养.
- Then analyse the Variance of the growth index of the four medium, all the Analysis comes to a conclusion: the best soilless medium is medium C. 并对观测数据进行方差分析和多重比较，通过相关分析法和主成分分析法最终确定了最优的基质配方。
- By means of the null point, growth index analysis and displacement distance plot, the authors discussed the process of negative structure inversion. 采用零点、距离位移曲线和生长指数等定量分析方法,讨论了断裂的构造负反转过程。
- Observation contain the physical and chemical properties, the growth index and biology quantity of The Festuca Arundinacea. 观测指标有基质的主要理化性质、高羊茅在不同生长期的生长指标和生理指标、草皮的生物量等。
- The result showed that their growth index such as tree height, diameter, wood production per plant and yield were significant difference among 16 pine tree lines. 结果表明：16个湿地松高产脂品系的树高、胸径、单株材积等生长指标及产脂量表现差异显著或极显著；
- A research was conducted on the growth index, photosynthenic index and external characters at overwintering of five species of Eucalyptus seedling in Zhengzhou City. 摘要对郑州市5种桉树幼苗生长指标、光合指标及越冬期外部性状进行了观察研究。
- The research on the grain growth dynamics of the Ag/ZnO product showed that the dynamic growth index was 1.32,indicating that the rate of the grain growth was quick when the temperature was low. 对Ag/ZnO晶粒生长动力学的研究发现;在较低温度范围内;晶粒生长速度较快;其晶粒生长动力学指数为1.;32。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- With pot experiment,the effects of drought stress on tomato growth index and physiological character,the compensation effects of rewater on tomato growth and yield was researched in seeding stage. 通过盆栽试验,研究了苗期干旱胁迫对番茄生长发育以及生理特征的影响以及干旱后复水对番茄生长形态和产量等的补偿生长效应。
- Growth indexes of thymus，bursa of Fabricius and spleen in Group B，C and D were much lower than that in control group. 结果，与对照组相比，高锌的B、C和D组雏鹅淋巴器官发育受阻，胸腺、腔上囊和脾的器官生长指数程度不同地降低;
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- The compensatory effect was common in the restore process, especially for growth indexes, it is an adaptative strategy of seedlings to soil drying-wetting alternation condition. 恢复过程中补偿效应普遍存在，尤其以生长上的补偿效应最明显，这是幼苗对反复干旱-复水环境的一种适应策略。
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- He has been an unsung hero of the country's economic growth. 他是使这个国家经济成长的无名英雄。
- Lack of food may stunt the growth. 缺乏食物可能妨碍发育。
