Degenerate Situation Measurement and Reasonable Utilization of Rangeland Resources in Droughty Western China& A Case Study on Delingha County, Qinghai Province

1、

From the end of the 19th century, the precipitation decrease obviously, the climate turned into relative droughty period again.

19世纪末至20世纪初，降水明显减少，再次进入相对少雨期；

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2、

For the peasants, the high tax in the droughty years is definitely icing on the cake.

民来说，干旱年月里征收高的税费无疑是雪上加霜。

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3、

The stability of pavement materials in cold, droughty and salty area has became one of the important research projects of engineering materials.

寒、旱及盐渍土地区道路路面材料稳定性的研究是工程材料学科重要的课题之一。

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4、

Preliminary study on pattern of fertilizer applied to sweet-potato in droughty area of coastal hillside of Nan'an city

南安市沿海丘陵旱地甘薯施肥模式初探

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5、

Preventions of the cracks in cast-in-place slab of concrete pavement in the north west droughty area

西北地区道面混凝土早期裂缝防治技术

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6、

Studies on yield determinant factors and high yield cultivation of interplant sweet potato in seasonal droughty areas

季节性干旱区套作甘薯产量决定因素及高产栽培措施组合

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7、

, introduced from East of Northern American to northern of Mexico and droughty area of Middle American.

原产北美洲东部内华达州南部至墨西哥北部及中美洲干旱地带。

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8、

The Relation Between Cool/ Warm Year and Droughty/ Moist Year in Beijing Areas

北京地区冷暖年与干湿年关系的研究

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9、

Much more rainfall will be needed before droughty conditions are alleviated.

棉区需要更多降雨以缓解旱情。

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10、

Oasis is a special ecological landscape in the droughty desert.

绿洲作为干旱荒漠中特有的一种生态景观，与荒漠相依并存。

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11、

Experimental Research on Water-salt Dynamic State in Droughty Areas of the North-west

西北干旱地区水盐动态实验研究

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12、

Effect of Different Droughty Soil on Water Physiology and Growth Index of Locust Seedling

不同土壤干旱程度对刺槐幼苗水分生理和生长指标的影响

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13、

New Ideas and Technology Research on Water-Saving Drilling Applied in West Droughty Area, West China

西部干旱地区节水钻探的新思路及其配套技术

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14、

Studies on practical method of soil resources suitability appraise for droughty mountainous area

干旱山区土壤资源适宜性评价实用方法的研究沧州地区土壤资源适宜性评价

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15、

It gained the lowest rooting rate in summer with high temperature and high humidity, the high rate was in other seasons, when the weather was droughty.

不同季节气候因子显著影响嫩芽微扦插生根率，高温高湿季节的夏季生根率最低，而干旱的春秋冬季生根率最高；

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16、

Make dustless gunning possible. ( 2) Use GAMBIT as a pre-processing software to establish the nozzle internal flow field of three-dimensional model. Use FLUENT for high-pressure air nozzle internal flow field in the simulation analysis.

应用前处理软件GAMBIT建立了喷嘴内部流场的三维模型，利用FLUENT软件对高压空气在喷嘴内部流场作了模拟分析。

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17、

The dustless chalk brush is I-shaped.

所述无尘粉笔刷整体呈“工”字型。

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18、

Suitable for the cutting and rewinding for toilet paper, dustless paper, non-woven fabric, the tightness level for rewinding can be adjustable.

适应卫生纸、无尘纸、无纺布的分切复卷，复卷松紧可调。

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19、

Dustless Compounded Lead Salt Stabilizer

无尘复合铅盐稳定剂

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20、

High-pressure water jet cutting has advantages of narrow cuts, no thermal stress, dustless and cutting any materials.

高压水射流切割具有切缝窄、不产生热应力、无粉尘、几乎可切割任何材料等优点。

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