查询词典 drought

Were investigated in pot culture under three water treatments: well watered , middle drought treatment and serious drought treatment .The contents of malondialdehyde and soluble sugar, superoxide dismutase, catalase, peroxide dismutase, polyphone oxidase and ascorbic acid peroxidase activities were compared between plants infected with Glomus mosseae and those not infected (Non-AM plants) at different water-treatments.

试验设置正常浇水、中度干旱和重度干旱3个水分处理水平，比较不同水分条件下接种Glomus mosseae的三叶鬼针草植株与未接种植株的丙二醛含量、可溶性糖含量、超氧化物歧化酶、过氧化氢酶、抗坏血酸过氧化酶、过氧化物酶和多酚氧化酶活性。

In the osmotic adjustment, soluble sugar had the primary function under the early stage of drought stress, while it was praline under the late stage of drought stress.

在渗透调节上，刺槐在干旱胁迫初期可溶性糖起主要作用，在胁迫后期脯氨酸起主要作用。

The results showed that Leymus chinensis from different region adapted to the different characteristics in the drought.That main displayed the number and length of the prickle hairs.Bulliform cell reduced with the extent of drought.

结果表明：生长在不同区域中的羊草表现出了不同的适应干旱的特征，主要表现在刺毛的多少、长短上；泡状细胞随干旱的程度而递减。

The above results indicate that exogenous Putrescine could improve osmotic adjustment ability of winter wheat seedling leaves under drought stress and increase drought tolerance of plant.

这说明外源腐胺能改善冬小麦幼苗叶片干旱胁迫下的渗透调节能力，从而增强植株的耐旱性。

In order to study the effect of N levels on growth of summer maize under different drought degrees, a field experiment was carried out under rainproof sheds. There were seven drought treatments in which soil drying lasted 0,7,12,17,22,27,32 days and three N levels including N 0,140,280 kg/ha in this experiment.

在田间小区遮雨条件下，采用有交互作用的双因素试验方法，设置了连续干旱03~2 d 7个水分处理及N 0、1402、80 kg/hm^2 3个氮肥处理，研究施氮水平对不同干旱程度夏玉米生长的影响。

Based on choosing contrast and definite water conditions, we suggested that relative mean yield of all irrigation treatments, revisionary drought yield index , revisionary water yield index , sensitivity index of stages and revisionary yield index could be used to identify yield, drought resistance, water use efficiency, water sensitivity and water adaptive.

提出在合理选用对照种和明确水分鉴定条件的前提下，采用干旱产量指数修订值鉴定品种的抗旱性，用丰水产量指数修订值鉴定各水分条件下品种的水分高效性，用各水分条件下品种的平均产量相对值鉴定品种的高产性，采用阶段敏感指数鉴定不同生育期的水分敏感性，采用产量系数修订值鉴定品种的适水性。

The results indicated that:(1) plant height and tillering number decreased, and root length, root surface area, root volume and rootlet number increased under drought stress; straw mulched on surface soil and pig manure mixed in soil could improve the growth and morphological property of rice root, while straw mixed in soil and pig manure mulching had no significant effects;(2) the contents of chlorophylls and the activities of SOD, POD and CAT decreased significantly under drought stress, and straw mulching on surface soil and pig manure mixed in soil could restrain these decreases.

结果表明：①干旱胁迫下水稻株高降低、分蘖数减少，根系则表现出主根伸长、支根增多、根表面积和根体积增加；秸秆表施和猪粪混施可明显改善水稻的生长和根系形态，而秸秆混施和猪粪表施的改善作用不显著；②干旱胁迫下叶片叶绿素含量显著降低，超氧化物歧化酶、过氧化物酶及过氧化氢酶活性均显著下降，秸秆表施和猪粪混施能够在一定程度上抑制这种下降幅度。

The drought resistance of Chinese Wild Vitis species was studied by shape index, relative water content, and relative plasma permeability under the conditions of drought stress, and evaluated by subordinative function.

本研究以中国葡萄属野生种8个种11个株系，欧洲葡萄2个品种，河岸葡萄及燕山—1×河岸葡萄107株F_1代杂种共122份材料为试材，调查了盆栽干旱胁迫条件下叶片的形态变化指标，测定了相对含水量和细胞膜相对透性两项指标；以隶属函数法为手段处理这三项指标，对供试的葡萄属植物的抗旱性进行了综合评价。

Because the large and middle irrigation works cannot effectively play the role in combating drought, farmers only can depend on the small irrigation works to combat drought, so it has caused the underproduction.

内容摘要：2005年荆门区域遭受大旱，由于大中型水利设施不能有效发挥作用，农民只能依托小水利抗旱，造成水稻因旱减产。

From 1997 to 1999,Gregory scheme succeeds in simulating the basic character of summer rainfall in china, i.e., there are drought in HuaBei and most north province of china in 1997 summer, a heavy flood in Yangtse River valley in 1998 summer and waterlog in south and drought in north of china.

改进后的Gregory方案不仅模拟出了中高纬环流形势的演变过程、西太平洋副高的强弱变化，包括副高的进退和北跳；而且模拟出了98年夏季我国长江流域的大范围降水。

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