干旱期

Birch效应中被矿化的有机碳更多是来自于新的有机质的暴露，部分来自干旱期微生物细胞内积累的溶质。

Birch effect in mineralization of organic carbon is more from the new organic matter of exposure , part of the drought period from microbial cells accumulation of solute .

干旱期水安全及其风险评价研究

Water security of drought period and its risk assessment

这会帮助那些家庭度过干旱期，不至于遭受太多的苦。

This would help the families to survive the drought without undue suffering

许多不同种类的植物已形成耐受干旱期的策略。

Many different kinds of plants have developed tactics to weather dry spells .

当它们察觉到延长的干旱期时，它们会改变新陈代谢，在它们的组织中产生糖、某些应激相关蛋白以及其他物质。

When they detect an extended dry period , they divert their metabolisms , producing sugars and certain stress-associated proteins and other materials in their tissues .

计算了1980年6&9月逐日（12GMT）黄河中下游干旱期的视热源（Q1）和视水汽汇（Q2）的分布。

The daily distributions of apparent heat sources ( Q_1 ) and apparent moisture sinks ( Q_2 ) fromJune through September of 1980 in mid-lower reaches of the Yellow River are estimated .

干旱期在1m以上，各处理储水量比较接近，而在1m以下，覆盖、免耕的土壤储水量增加量分别比翻耕高31.6%、28.6%；

During arid period , soil water storage of different treatments is the same above 1m depth while soil water storage of Sub-tillage and No-tillage increase 31.6 % and 28.6 % than Tillage'soil water storage ;

寒冷干旱期的7月平均气温比今低2～3℃，年均降水量比今少约40～120mm。

Mean July temperature was 2 ~ 3 ℃ lower and annual precipitation were 40 ~ 120 mm less than those of today during the cold and dry periods .

校正后下部盐层的年龄说明该地区气候由湿润变为干旱期约发生在距今45ka。

The corrected age results of the lower unit show a climate shift from wet into dry at about 45 ka ago in this area .

干旱期水库供水风险分析的多目标规划方法

Multi-objective planning method for reservoir water-supply risk analysis during drought periods

而在频繁的干旱期，蓄水池是空的。

During frequent droughts , however , the cisterns were empty .

天然荒漠植物干旱期根区土壤贮水量的确定

Determination of Natural Desert Plant Root-Zone Soil Water Storage in Drying Periods

干旱期水库供水特征及运行性能分析

Analysis on Reservoir Water-supply Property and Operation Performance during Drought

从有记载以来，这是最长的干旱期。

It 's the longest dry spell since records began .

在干旱期，宜优先选用。

They should preferably be applied during a dry spell .

区域干旱期供水工程风险分析方法

Risk Analysis for Regional Water Resources Engineering during Drought

干旱期供水水库运行策略优化分析

Analysis on Reservoir Operation Policy Optimization during Drought

去年秋天有很长一段干旱期。

There was a prolonged drought last autumn .

尼日尔经常有严重的干旱期。

Niger often has severe dry periods .

近20年华北地区干旱期大气环流异常特征

Characteristics of atmospheric circulation anomalies during persistent droughts in North China for last two decades

干旱期水资源系统供水风险指标适用性分析

Analysis on the applicability of water-supply risk indexes for water resources system during drought period

土壤极端干旱期树种的水分关系研究

Study on the Water Relationship in Tree Species in Extra Drought Press of Soil Water

干旱期使农作物枯萎了。

The dry spell blighted the crops .

盛夏干旱期猕猴桃园百喜草覆盖与敷盖的生态生理效应

Ecophysiological Effectiveness of Covering and Mulching Kiwifruit Orchard with Bahiagrass in the Dry Season of Mid-summer

春夏干旱期内灌溉具有很高的经济效益，且随时间的增加不断增长；

The economic benefit of irrigation is very high , and it increases gradually with time .

干旱期延长可能会使给公司提供的原材料和水力发电电力变得紧张。

A prolonged drought is likely to strain supply of raw materials and hydro-electricity to firms .

柑桔园生草栽培高温干旱期的生态生理效应研究

Studies on the Ecophysiology of Sod Culture in Citrus Or-chard During the High Temperature and Drought Seasons

在持续干旱期严重破坏我国一些地区的同时，倾盆大雨使其它地区洪水泛滥。

While lingering dry spells cripple some parts of the country , heavy downpours have inundated others .

除了干旱期，人们从不把水看成是宝贵的自然资源。

Except in times of drought , water has never been regarded as a valuable natural resource .

进入21世纪，中国很可能进入一个新的百年干旱期，农业缺水问题将更加突出，种植业风险进一步加大。

The 21 th century is embarrassed with drought and water deficit is becoming increasingly severe in agricultural production .