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- The different types of spring maize were used in this study.The effect of nitrogen dosage on starch content and key enzyme activity in composing starch in kernels of spring maize was studied. 摘要以不同品种春玉米为试验材料,研究氮肥施用量对春玉米子粒淀粉含量及淀粉合成关键酶活性的影响。
- Effect of Nitrogen Dosage on Starch Content and Key Enzyme Activity in Composing Starch in Kernels of Spring Maize 氮肥施用量对春玉米籽粒淀粉含量及淀粉合成关键酶活性的影响
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Do not exceed the recommended dosage. 不要超过规定的剂量。
- 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。
- Excessive dosage of this drug can result in injury to the liver. 这种药使用过量会损害肝脏。
- nitrogen dosage 氮肥施用量
- The dosage was geared down to a level which would work on the infected cells but not upset their metabolism. 药剂量要减少到既能对受感染细胞起作用,又不损害它们的代谢作用。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Half the dosage for children below 12 years. 12岁以下孩童可减半服用。
- The optimal dosage of CaO is 1.8 g/L. 氧化钙的最佳加入量是1.;8 g/L。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- SSD = 100cm,and dosage rate were 2Gy/min. SSD=100cm,剂量率为2Gy/min。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- We should shorten the dosage of the water. 我们应该减少水的用量。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- The fitting dosage of the SA is 0.5% of the WPA. 硫酸加量为清磷酸质量的0.;5%25。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?