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The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization,nitrate leaching and runoff. 稻田中氮素损失途径主要有氨挥发、硝化-反硝化、淋洗和径流,其中氨挥发是氮素损失的主要途径。
leaching and runoff 流失
Leach and Johnson had quickly reinforced by some of their mates. 李区和约翰很快就得到了他们一些伙伴的增援。
Running of multipurpose water resource system is mainly based on varied factors such as water storage and runoff, etc. 多目标水资源系统的运行主要依据蓄水量和径流资源的变化等因素。
Aerial photography can provide valuable information on precipitation, evapotraspiration, interception, and runoff. 航空摄影可提供有关降水量、蒸发蒸腾量、入渗和径流量的有价值的资料。
Aerial photography can provide valuable information on precipitation, evapotranspiration, interception, and runoff. 航空摄影可提供有关降水量、蒸发蒸腾量、入渗和径流量的有价值的资料。
STUDY ON LEACHING AND PURIFYING METHOD OF FLAVONES FROM MARCHANTIA POLYMORPHA L. 地钱总黄酮提取的研究。
Non-linear characteristics of precipitation and runoff in sub-alpine of the upper reaches of Yangtze River. 长江上游亚高山降水与径流时间序列的非线性特征。
Simulation of soil water leaching and nitrate-N loss with leachate in the field using HYDRUS-1D model. 应用HYDRUS-1D模型模拟农田土壤水渗漏及硝态氮淋失特征
Abstract: Since the 20th century, a great progress has been made in research on infiltration and runoff yield. 文摘:20世纪以来，入渗与产流研究取得了长足进展。
The paper introduces the developem ent of oxygen leaching and zinc concentrates oxygen leaching process. 介绍了氧压浸出技术的发展及锌精矿氧压浸出工艺。
The recycle technologies of leaching and calcination combined with leaching for Li-ion battery were introduced. 介绍了锂离子电池的浸出技术以及煅烧与浸出相结合的回收技术。
In the east,the water is mainly oceanic with relatively minor dilution from direct monsoonal rainfall and runoff from small streams. 东部水域主要为海水，而直接的季候雨及小溪溢流，把海水稍为冲淡。
In heap leaching and extraction process, the leaching rate and floccus bottlenecked production. 堆浸萃取工艺中，困扰生产的两大难题是浸出速率及萃取中的絮状物。
In the east, the water is mainly oceanic with relatively minor dilution from direct monsoonal rainfall and runoff from small streams. 东部水域主要为海水，而直接的季候雨及小溪溢流，把海水稍为冲淡。
A small-scale autoclave was used for simulating tests of monophase leaching and than the relia... 根据物料及产物的变化及时发现和指出工艺流程中存在的问题,对工艺条件的改进和最佳化起了积极的作用。
This study focused on the responses of tidal creek evolution to reclamation, spartina alterniflora and runoff of water from tidegate. 重点研究了潮沟发育对围垦活动、互花米草扩展、潮闸排水的响应，得到如下结论。
Rawlings: Infiltrate the dig site and neutralise Leach and his cronies before they can open the breach. 渗透到挖掘面，在里奇他们打开裂缝之前把他们包围。
Grey Connectivity Analysis and Topological Prediction of Forest Eco-Environment at Qilian Mountains and Runoff Amount in Heihe River Basin. 祁连山森林生态环境与黑河流域径流量的灰色关联分析和拓扑预测
The new technology of production of Zn powder by alkaline leaching and electrowinning is described. 介绍碱浸-电解湿法直接生产金属锌粉的新工艺。