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- the utilization rate of nitrogen 氮肥利用率
- Raise the utilization rate of land. 提高土地利用率;
- Effects of Different Nitrogen Application Methods on Summer Corn's Growing Characters and Utilization Rate of Nitrogen 不同施氮方式对夏玉米生长性状及氮肥利用率的影响
- The effect of nitrogen fertilizer kind and dose on nitrogen migration, leaching loss and nitrogen utilization rate by rice in purple soil was studied in percolating pools. 摘要 利用养分渗漏池研究了紫色土中氮肥品种、用量对氮素移动、淋失和水稻氮肥利用率的影响。
- Utilization rate of nitrogen 氮素利用率
- It has Superimposition effect with urea, nitrogen, and can promote phosphor, potassium, and other nutrition in soil to rice, which will increase utilization rate of fertilizers. 该药剂与尿素产生叠加效应并可把原来土壤存积下来的氮、磷、钾提供转化给水稻吸收生长，提高肥料利用率。
- In rich fields, with the rising of application rate of nitrogen fertilizer, both the utilization efficiency and unit production rate of nitrogen fertilizer declined. 摘要在高肥力麦田中，随着氮肥施用量的不断增加，氮肥利用率下降，单位氮肥的增产量递减。
- Discussion on increasing the utilization rate of CT System. 提高CT机使用率的几点探讨。
- The absorption factor and absorption rate of nitrogen were analyzed. 分析了影响氮的吸收因素和氮的吸收率。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- To constantly review and further improve the utilization rate of the. 经常检讨及改善校园设施使用率。
- The high rate of nitrogen and phosphorus is unfavourable to the photosynthesis of the phytoplankton. 过高的氮磷比不利于浮游植物进行光合作用。
- Efforts will also be made to raise the utilization rate of resources and reduce the loss of grain. 努力提高资源利用率，减少粮食损失。
- The difference was statistically different in utilization rate of anodynes after comfort care(P<0.01). 舒适护理后两组患者止痛药的使用率比较;P<0.;01;差异有统计学意义。
- Results In TCM hospitals of Nanchong region,the whole level of utilization rate of health resource is low. 结果该地区中医院资源利用率较低,综合效益差的中医院规模相对较大。
- According to the past work experience, it analyzed the low utilization rate of foreign periodicals resources. 根据工作经验，分析了图书馆外文期刊信息资源利用率低的原因。
- The utilization rate of large precise instrument is a key indictor to evaluate its comprehensive effect. 摘要大型精密仪器设备的利用率是考核评估其综合效益的一个重要指标。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- Under the condition of leaf absorption the 15N utilization rates of Gly and Glu were 38.13%, 15.43% respectively if urea was 100%. Nitrogen which absorbed was mainly supplied to leaf and neonatal branch. 在叶片涂抹条件下;若尿素态氮的吸收量以100%25计;则Gly和Glu态氮的吸收量分别为38.;13%25和15
