The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.

计算结果表明，唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。

youdao

Plant absorption was not the main mechanism in reduction of both N and P, due to less plant biomass on wetland buffer zone.

缓冲带内的湿地植物量较小，决定了植物吸收并非氮磷去除的主要机制。

youdao

G ra de-N Division in working area is concluded on the basis of formed combined index, and critical zone alignment is determined according to both combined index feature and single index feature.

在所形成的综合指标基础上，作者又归纳了一种对研究地区进行多级划分的方法，并确定了基于综合指标数字特征和单指标数字特征的临界区间序列。

youdao

U.N.Emergency Relief Coordinator John Holmes visited the conflict zone,Friday, during a three-day visit to Yemen, inspecting one of five refugee camps in the north of the country.

VOA: standard.2009.10.11

And will continue to do so until she has persuaded her colleagues to amend the euro-zone treaty to permit Brussels (spelled B-e-r-l-i-n) to control the tax, spending and fiscal policy of euro-zone members.

WSJ: Agenda | Irwin Stelzer: Euro-Zone Shark Still Has Its Appetite

While NATO warplanes have finally been authorized by the U.N. to enforce a no-fly zone announced almost six months ago, the proximity of Serb ground forces to completing their mopping up of Muslim positions in Eastern Bosnia and Sarajevo means that this action like so many before it will amount to little more than a salve for guilty Western consciences.

CENTERFORSECURITYPOLICY: Center for Security Policy | A Good Week For The ��Radical Entente��: Outlaw Nations Likely Emboldened By Ineffectual Western Responses

Similarly the Arab League statement called very explicitly for a no-fly zone and the protection of civilians, as did the U.N.

WHITEHOUSE: Press Briefing