半干旱的

This method is suitable for calculating soil evapotranspiration in arid and send arid plain areas where the depth of water line is between 3 m to 10 m.

本方法适用于计算潜水埋深在3~10m的干旱半干旱的平原地区计算土壤水分腾发量。

The Necessity of water saving agriculture in the loess plateau of China is analysized,and main types of regulating soil water techniques are sumed up as follows:accumulating fertileness,crop rotation,intermittent fallowness of soil,drought resistant crop breeding, water saving ,run off agriculture and chemical methods.

分析黄土高原节水农业的必要性，总结出黄土高原农业调水技术主要有 7大类：培肥地力以肥调水，轮作倒茬调水，间隙休闲调水，抗旱育种调水，节水灌溉调水，径流农业调水，化学技术调水；指出在干旱、半干旱的黄土高原地区，利用农业调水技术是粮食增产增收的有效措施和必然趋

The arid and semiaridfarm belt is about 52.5％of the earth land in our country, among which the plowlandis 51 million hm~2 and is about 51％of all plowland in our country. The dry landwithout irrigation is about 65％of the and and semiarid farm belt.

我国干旱、半干旱农业区约占国土陆地面积的52.5％，其中耕地5100万hm~2，约占全国总耕地的51％，干旱、半干旱农业区没有灌溉条件的旱地占到了65％。

In experiment,we controlled soil moisture by methods of artificial rainfall and restoring water in soil post;soil treatments included non-cover,mealie haulm cover and gravel cover.

在干旱半干旱的黄土高原和广大的荒漠地区，林地的生态系统十分脆弱，土壤水分动态制约着这些地区生态恢复与植被重建工程的可持续性[1]。

1Arid-subarid palaeoclimate was helpful for mechanical weathering of source rocks and torrent forming;(2) The combination of source rocks and their occurrence were liable to cause mechanical breakdown of rocks and form mudflow,(3)There was a considerable height difference along the border of the basin,(4) The density of subaqueous mudflow was 2.4-2.7g/cm3;(5)There was a high rate of accumulat...

认为本区沙三段时期满足重力流的形成条件，主要表现在六个方面：(1)干旱-半干旱的气候环境有利于母岩的机械风化和山洪的形成；(2)母岩的组合及其产状容易发生机械破碎，形成泥石流；(3)盆地边缘地形高差悬殊；(4)高密度的水下泥石流；(5)堆积速率大；(6)水深位于半深湖以下。

The Sahara divides the continent into North and Sub-Saharan Africa . These two regions are culturally and climatically distinct. The southern border of the Sahara is marked by a band of semiarid savanna called the Sahel ; south of the Sahel lies the lusher Sudan .

撒哈拉沙漠将非洲大陆分割成两部分，北非和南部黑非洲，这两部分的气候和文化截然不同，撒哈拉沙漠南部边界是半干旱的热带稀树草原，阿拉伯语称为&萨赫勒&，再往南就是雨水充沛，植物繁茂的南部非洲，阿拉伯语称为&苏丹&，意思是黑非洲。

The glumes are very variable even in the terminal, exserted inflorescences.

本种的大的比例包括半干旱的地区的植株，在那里他们提供有用的饲料。

The area where Clivia mirabilis endemic to experiences a semi-arid Mediterranean climate with a winter rainfall regime.

奇异君子兰生长的地区一般呈现出半干旱的地中海式气候，冬季往往还会经历一个降水期。

Dilate factory area greenness is taken for example in this paper, and adjusting carbon-oxygen balance, decreasing temperature, increasing humidity, in tenting dust,, reducing noise, absorbing SO2 else. And the special ecosystem function benefits of arid and semiarid area, in duding lowering the wind velocity, impeding the sand wind, increasing he air degree of humidity, regulating the air temperature, protecting the soil water.

本文以干旱半干旱沙区达拉特电厂厂区绿化为例进行分析，评价了城市园林绿化所具有的调节碳氧平衡、降温增湿、滞尘减噪、吸收SO2等一般生态功能和干旱半干旱沙区绿化所具有的降低风速、阻挡沙尘、增加空气湿度、调节气温和提高土壤保水性等特殊生态功能效益。

Species in Ceratoides are semi-shrub xerophytes distributed in arid and semi-arid area. They have great potentialities to ecological restoration and high value to being used as forage. However researches on their physiological characteristics related to drought adaptabilities were not sufficient, yet.

驼绒藜属植物为干旱、半干旱地区具有重要生态价值和饲用价值的旱生半灌木资源，对该属植物适应干旱生理特性的研究尚不充分，加深研究有助于提高对它们的利用效率和应用价值。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。