干旱

The Φ(subscript PSⅡ), Fv/Fm and qP were increased but qN was decreased with increasing of chlorophyll a, the rate of heat dissipation was increased with the increasing of chlorophyll b, and the carotinoid increasing enhanced the rate of heat dissipation of dryland and carbon assimilation of irrigated cultivar The Φ(subscript PSⅡ) and qN of dryland cultivar treated by control were higher than that of irrigated cultivar in jointing stage significant, indicating that the characteristics of drought-resistantce of winter wheat could be displayed in the jointing stage, and the drought-resistant capability could be increased by enhancing the practical photochemistry efficiency and heat dissipation in jointing stage.

拔节期对照处理的旱地品种的Φ和qN显著高于水地品种，在该时期品种抗旱性差异表现较为明显，能够通过提高光合机构实际光化学效率和热耗散来增强光合机构对干旱的适应能力。

The analysis method presented in this paper has been applied in a real project of the Catchment Area of Lanchang River,which showed that this method is simple and effective.

有关澜沧江下游区干旱灾害分析的应用实例证明本方法是简单有效的。

A slight diurnal fluctuation in malic acid content was observed in September. The pH value of leaf cell sap at day was higher than that at night. The results indicate that N. sphaerocarpa is a C3 plant. However,the properties and functions of its PEPC can change with environmental factors, such as the degree of drought and temperature.

结合泡泡刺不同季节的天门冬氨酸含量以及叶片细胞液pH的测定结果，可初步判定泡泡刺为C3植物，但在干旱胁迫较严重的9月，在水分及温度等环境因子的作用下，PEPC的性质和作用发生了变化。

Frequent drought led to a steady increase in stomatic de- nsity,cell sap concentration a...

经常性干旱还引起气孔密度增加，细胞液浓度及叶绿素a/b 值增大，籽粒灌浆期缩短，粒重及产量显著下降。

In Asia, the significant environment changes in Cenozoic include: uplift of Himalayas and Tibetan P...

在亚洲地区，新生代重大的古环境变化包括青藏高原的隆起、亚洲季风出现、中亚地区干旱化等。

To probe into the role of GST in water stress,GST activities in the seedlings of common centipede grass treated by PEG6000 are investigated.

为探明谷胱甘肽转硫酶在水分胁迫中的作用，分别用聚乙二醇6000模拟干旱处理假俭草不同时间后，测定假俭草植株的质膜电解质渗透率，GST活性，H2O2和还原型谷胱甘肽含量。

The effects and mechanisms of atmospheric CO2 enrichment and temperature rise on water and nutrient use in wheat were studied in this thesis using the chamber pot experiment and open top experiment.

本研究通过人工气候室盆栽试验和开顶式试验研究了大气CO_2浓度升高对小麦水分养分利用的效应和机制。CO_2浓度升高盆栽试验设350和700μmol mol~(-1)2种CO_2浓度水平，湿润、干旱2种土壤水分处理和0、50、100、150、200mg kg~(-1)5种N肥施用水平。

The results show: the most sensitive Chinese area to acid deposition is Podzolic soil area, then follow Latosol, Dark brown forest soil and Black soil areas; Ferraisol and Yellow-brown earth area in southern China can buffer about 0.8-1. 6 g Sm〓yr〓 sulfur deposition; the least sensitive areas to acid deposition are mainly Xerosol area in northwest China, Alpine soil area in the Qingzang Plateau, and Dark loessial soil and Chernozem areas; the main reason for lower critical load in northeastern areas and higher critical load in Ferralsol and Yellow-brown earth areas in China can be attributed to the obvious difference in temperature, humidity and soil properties.

研究表明：我国土壤对酸沉降最敏感的区域是漂灰土带，其次是砖红壤土区、暗棕壤带和黑土区，南部富铝土区域大致可接受O.8-1.6 g Sm〓yr〓的硫沉降，对酸沉降最不敏感的区域主要集中在西北干旱土和青藏高原的高山土区域以及黑垆土和黑钙土带；导致我国东北地区酸沉降临界负荷偏低和富铝土区域酸沉降临界负荷偏高的重要原因，是这些地区的气温、湿度和土壤质地存在显著差异。

The changes rules of endogenous phytohormones in Citrange and Shanxiahong under drought stress were studied.

研究了干旱胁迫下枳橙和山下红密柑内源激素含量的变化。

Compared with CK, the contents of GA3, ABA, and Z in Citrange root were lower,while content of IAA higher. In Citrange leaves, content of GA3 and Z decreased significantly, while IAA and ABA increased significantly.

干旱胁迫下枳橙根赤霉酸(GA3)、脱落酸和玉米素含量低于对照，吲哚-3-乙酸含量高于对照，而叶片GA3和Z含量低于对照，IAA和ABA含量高于对照。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。