干旱

So, in order to provide scientific afforestation methods and guideline, it is rather necessary to introduce and popularize Picea mongolica in arid and semiarid regions.

但是该树种是云杉属中的特殊种，在半干旱草原中于沙地上能良好生长，有罕见的防风阻沙能力，大有在半干旱区甚至干旱区引种推广的必要。

Under the artificial arid condition, the changes of the relative leaf water content,the chlorophyll fluorescence and photosynthetic pigment content of Pistacia weinmannifolia and Pistacia chinensis were studied.

人为模拟干旱条件下，研究了黄连木、清香木幼苗的叶片相对含水量、荧光和光合色素的变化情况，同时对胁迫后期两树种幼苗的生存率也进行了调查分析。

Soil drought results in the decrease of superoxide dismutase activities and increase of malonaldehyde contents in pistacia vear leaf cells, acid phosphatase activities and soluble phosphotus contents elevated.

干旱胁迫下，阿月浑子细胞SOD活性降低，MDA含量增加，酸性磷酸酯酶活性增强，可溶性磷含量增加。

Pot experiment was conducted to determine the content of endogenous hormone, including Abscisic acid, Indole-3-acetic acid, Gibberellins and Zeatin, in the roots of pea Pisum sativum Linn.

采用盆栽试验方法，研究了干旱胁迫及复水对豌豆根系脱落酸、吲哚乙酸、赤霉素和玉米素等4种内源激素含量的影响。

A pot experiment was conducted to investigate the effect of soil water on protective enzymes of superoxide dismutase, catalase and peroxidase, and also on membrane lipid peroxidation including malonaldehyde and plasma membrane permeability in pea (Pisum sativum Linn.) leaf during flowering and pod-bearing stages under drought stress and water recovery conditions. Antioxidant ability of pea during flowering and pod-bearing stages was also analyzed.

为探讨不同水分条件对豌豆保护酶系统和膜脂过氧化的影响，采用盆栽人工控水试验方法，模拟干旱胁迫及复水条件，研究了不同水分处理对花荚期豌豆叶片超氧化物歧化酶、过氧化氢酶、过氧化物酶活性以及过氧化产物丙二醛含量和脂膜相对透性的影响，并对花荚期豌豆抗氧化能力进行了综合评价。

Pot experiment was conducted to determine the content of endogenous hormone, including Abscisic acid, In-dole-3-acetic acid, Gibberellins and Zeatin, in the roots of pea (Pisum Sativum Linn.) under drought stress and water recovery.

采用盆栽试验方法，研究了干旱胁迫及复水对豌豆根系脱落酸、吲哚乙酸、赤霉素和玉米素等4种内源激素含量的影响。

When water stress occurred ,the oxidation rate of GSH and vitamin C obviously increased, which indicated that GSH and Vc could be as electron donor of redox system of plasmic membrane besides NADH and NADPH.

在干旱胁迫时，GSH和Vc的氧化速率却明显增加，表明除了NADH和NADPH外，GSH和Vc也可以作为质膜氧化还原系统的电子供体。

Result shows that the weathering rates were very low (usually lower than 1.0 keq × ha-1× a-1) for allite (including red earth, lateritic red earth, red earth, yellow earth, and yellow-brown earth) in south China and silalsol (consisting of dark brown forest soil, black soil, and podzolic soil) in northeast China, but very high for xerosol and alpine soil in northwest China.

总的说来，中国南方富铝土区域（包括砖红壤带、赤红壤带、红壤黄壤带和黄棕壤带）以及东北的硅铝土区域（包括暗棕壤黑土带和漂灰土带）的土壤风化速率较低（通常低于1.0 keq × ha-1× a-1），而西北地区干旱土和高山土的风化速率则较高。

Unlike that area's recent droughts, which were caused by sea surface temperatures in the tropical Pacific Ocean know as El Nino, the new aridity is caused by a poleward expansion of the subtropical dry zones.

&不同于该领域的最新旱灾所造成的海面温度热带太平洋厄尔尼诺知道，&干旱是由一种新扩建的北极地带亚热带干

Is an important plant resources. And, the study and conservation of Populus euphratica Oliv.

是干旱荒漠地区非常重要的植物资源，塔里木河流域胡杨的研究和保护是令人关注的问题。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了