干旱

This paper also develops a river water quality model with arid region characteristics including three basic water quality factors, carbonized BOD 5, ammoniated nitrogen, and dissolved oxgen, deduces a water quality modeling matrix, an...

建立了有干旱地区特点的、含有碳化BOD5、氨氮和溶解氧三水质要素的河流水质模型，推导出水质模拟矩阵，并应用于新疆乌鲁木齐地区水磨河动态水质模拟计算

Drought stress changed the correlation of NH4+-N and NO3——N with protease,urease activity,ammonifying bacteria and nitrifying bacteria.

干旱胁迫改变了玉米根际NH4+-N和NO3--N与蛋白酶、脲酶、氨化细菌和硝化细菌的相关性。

There is little rain all through this spring. The long drought scorches the crops, withers the fruits and anguishes the farmers.

今年整个春季只下了几场小雨，干旱的天气枯坏了庄稼、晒干了果实、烦透了人心。

His first short story collection, These 13 (1931), includes many of his most acclaimed (and most frequently anthologized) stories, including "A Rose for Emily","Red Leaves","That Evening Sun", and Dry September ·U G e}bzyw.ncsxy.com Kj f 3

他的第一个短篇小说集，这些13 （ 1931 ），包括他的许多最知名（和最频繁anthologized ）的故事，包括&艾米莉的玫瑰&，&红叶&，&那天晚上，太阳&和&干旱的九月&·U G e}bzyw.ncsxy.com Kj f 3

As in California, the need for water conservation is emerging as a more and more acute issue across the country as more evidence emerges linking China's less-than-stellar air quality to the drought that has bedeviled the country's northeastern region.

与美国加州一样，节水正在成为中国各地面临的一个越来越迫切问题，因为有更多证据显示，中国糟糕的空气质量与肆虐中国东北地区的干旱有关联。

The Rift Valley bisects the country above Nairobi, opening up to a broad arid plain in the north.

上述国家的裂谷成两半内罗毕开了广阔的北方平原干旱。

But these slow-wilting lines, he says, produce four to eight bushels more than normal soybeans under drought conditions.

但这些种质的产量在干旱的条件下比普通的大豆多出四到八蒲式耳。

But these slow-wilting lines, he says, produce four to eight bushels more than normal soybeans under drought conditions.

但是这五种胚质在干旱的条件下比普通的大豆的产量多出四到八蒲式耳。

But these slow-wilting lines, he says, produce 4 to 8 bushels more than normal soybeans under drought conditions.

他指出，但这些较慢枯萎品种的产量比普通大豆在干旱条件下多四至八蒲式耳。

Using it, he has built up a series of tree-ring chronologies from Thailand and Vietnam that indicate a period of severe drought across mainland South-East Asia in the early 1400s.

使用这个标记，他已经建立了从泰国和越南的一系列树木年轮年表，以表明在十五世纪早期横贯大陆和东南亚的一段严重的干旱期。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。