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- The results showed that as nitrogen level increased the amylase activity enhanced, the nitratase activity enhanced. 结果表明，随着氮素水平的提高，淀粉酶活性有升高趋势，烟叶硝酸还原酶活性呈上升趋势。
- Applying manure fertilizer or NPM, increasing legume crops in rotation were effective ways to improve nitrogen level in soil. 施用有机肥或氮磷有机肥配施、轮作中增加豆科作物（或牧草）能有效地调节改善土壤氮素状况。
- Derivate spectra have the trend of shift to long wavelength direction and exist "two peak" phenomena at more significant increase of the nitrogen level. 一阶导数光谱随着施氮水平的增加，具有向长波方向移动的趋势，同时随施氮水平的增加，“双峰”现象则愈显著。
- No interphase precipitation was found. A detailed TEM/PEELS analysis of the fine particles showed that they are essentially nitrides (N/Metal?0.63-0.82) containing increasingly less carbon as the nitrogen level increased. 通过TEM/PEELS对细小颗粒的详细分析表明;这些粒子主要是氮化物(N/Metal?0.;63-0
- In proper range of nitrogen level,the yield and biomass of Chinese Kale increased with the increasing of nitrogen level,but when nitrogen level(exceed) 1*N,the yield was not affected significantly with the increasing of nitrogen level. 结果表明:在一定施氮范围内,芥蓝单株经济产量和生物产量都随着施氮量的增加不断提高,当施氮水平达到1*N以上时,施氮量的增加对芥蓝产量无明显影响。
- In the test , the critical point of nitrogen level causing the harvest index and efficiency of nitrogen of winter wheat and summer com to descend appears respectively as 225kg/hm2 and 150kg/hm2. 本试验中,使冬小麦和夏玉米氮收获指数和氮素效率出现下降的氮水平临界点分别为225kg/hm~2、150kg/hm~2。
- When the nitrogen level is N4(168mg/kg) , compared with N1 , increasing the accumulating amount of material 48% , chlorophyll content 68% ,Pro content 9% ,and depressing MDA content 32% of Lolium. 当施氮水平为N4(168mg/kg)时，与N1相比，提高了黑麦草于物质积累量48.;5%25，叶绿素含量67
- With the industrial data,this model could forecast the nitrogen content and the Ar blowing time required to control the nitrogen level of the stainless steel in AOD refining process. 模型可利用生产现场的实际操作数据预测钢中氮含量,并可预测冶炼过程中控制钢中氮含量所需要的吹氩时间。
- Glutamine Synthetase (GS) activity in leaves increases with increasing nitrogen level, but in roots, GS activity drops rapidly at high nitrogen levels. 叶片谷氨酰胺合成酶(GS)活性随氮素营养的增加而提高，根系GS活性在氮素水平过高时反而下降。
- Total inorganic nitrogen levels also went into significant decline after 2002, particularly in the eastern part of the Harbour. 此外,总无机氮水平在2002年开始也出现显著下降趋势,其中以海港东部水域的变化尤为显著。
- Metabolic acidosis, leukocytosis, high C-reactive protein and blood urea nitrogen levels were all poor prognostic factors. 其他如代谢性酸血症、白血球过多、C反应性蛋白增高或尿素氮增高者都是不好的预后因子。
- Sun X X,Wang J,Zhou Y,Shen Q R.Effects of different nitrogen levels on the growth and quality of spinach[J].J.Nanjing Agric.Univ.,2005,28(3):126-128. [20]孙兴祥;王健;周毅;沈其荣.;不同氮素水平对菠菜生长和品质的影响[J]
- The influence of various nitrogen levels on the activeness of key enzymes of flue-cured tobacco leaves in carbon and nitrogen metabolism were studied. 用盆栽试验研究了不同氮素水平对烟草碳氮代谢关键酶活性的影响。
- There were significant effects of rice varieties, nitrogen levels and WBPH generation on the weight and fecundity of the female adult. 水稻品种、饲养代数和氮肥水平对白背飞虱雌成虫体质量和产卵量均有着极显著的影响。
- The results showed that the nitrate reductase activity, net photosynthetic rate, chlorophyll contents and bleeding rate rose with increasing nitrogen levels. 结果表明：随着氮水平的提高，叶片硝酸还原酶活性、净光合速率、叶绿素含量和伤流量增加。
- Phosphorus and nitrogen levels from industrial and fertilizer runoff have risen 10 times above levels a decade ago, according to the WWF report, which he co-edited. 一份翁立达联合署名的世界野生动物协会报告称，工业废水和化肥残留物造成三峡水体中的氮和磷含量较10年前上升了10倍。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- I'd like a room on the upper level. 我想要楼上的房间。
- genotype with tolerant to lower nitrogen level 耐低氮基因型
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
