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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>52sale5126am</b></span></td> <td class="row1" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Elveron/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Sob 16:39, 08 Sty 2011<span class="gen"> </span> Temat postu: uggs online Optimize the use of the channel dam Wa</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Optimize the use of channel mode of dam <br /> <br /> <br />Bit, to facilitate dam water fish, trees and other plants and animals dam to normal growth. (2) shallow water class dam dam land use patterns in shallow water class is the dam was first built in the experience of two or more sediment deposition heightening the design of a deposition of 52 ■ Water 20oa. 9A continued deposition of sediment storage Journal of the process after the formation of the dam. The ground elevation of such dam all the minimum horizontal pipe above the drain scuppers elevation, heightening the dam, dam siltation years cumulative growth (most of siltation has reached age 30 years), the channel to flood most of the uplift Valley Wide Pohuan segment elevation, the dam area of the formation rate is accelerated rapidly with the increasing frequency of flood dam in the same maximum depth of flooding under the Ching-wen, and the average sediment thickness tended to become small. The chain backbone of the county Qiligou 1 Dam (built in 1966,<a href="http://www.uggsonliner.com" target="_blank" class="postlink">uggs online</a>, the dam control area 7.3km2 ') as an example: The dam built to 24 years (that is, 1990),<a href="http://www.nikesale.org" target="_blank" class="postlink">nike sale</a>, silt into the dam 12hm2, for the dam controlled area of 1 / 60, when the spring planting of corn in the dam, excellent growing to suddenly encountered a storm on September 21 (15%) flood, inundation depth of 1.1m (this is a shallow water), sediment deposition thickness of 0.21m (not considered very thick), but the flood sediment was about to hand the food consumed. Depth of 1.8m in the flooding of the Central County Dam Reservoir Dam on the ground Lok palm growth of poplar (when the high-6.9m) is safe and sound. This shows that: the development of shallow-water type dam should pear, peach, apricot and other general high level of forest trees or reed, weaving industry can be developed such as Caragana shrubs. Lotus, etc. hi another also water plants for planting. (3) water means water use class category dam dam dam is built upstream of key dam, a \to the relative stability factor of 1 /?) the dam. Such dam has become available for agriculture, forestry, fruit, grass safe use of the industry, dam, not repeat them here. Third, the implications and suggested the use of dams in the Loess Plateau in China is an old topic, but the dam to the optimal use and diversification of the ways is a new proposition. Dam of the Loess Plateau has long history of use though, but mostly the original way of passively waiting by type, that is,<a href="http://www.discounttoryburchshoes.com" target="_blank" class="postlink">Discount Tory Burch</a>, the memory only when the dam was heavy rain floods water discharge, the natural dam to be used when out of the water. Since the Yellow River in the 20th century, the people since the 50's, with the rapid development of dam construction, dam area gradually increased,<a href="http://www.jordanshoess.org" target="_blank" class="postlink">jordan shoes</a>, highlighting the growing role of dam, dam how to achieve fast, efficient use is particularly important. Way the dam is still limited by the use of \Because the use of crop species Tan silt into a good way to basically J use. Dam stability factor in the very small (ie, the dam 20 - 30 ~ during the period), the use of dams to protect farming methods use the yield is very low. But at this late stage, the use of forests and pastures in the dam on the ground, the development of forest, fruit, grass and other industries by way of preserving the yield is greater, but there is no typical use of a large area. To this end the following recommendations: (1) Loess Plateau proposed dam has been built and has formed a certain scale dam area, select the dam in accordance with local practice using a variety of ways. To realize the role and benefits of dam to apply the rapid chu play. (2) optimize the use of dam core issue is the use of diverse methods, the process of rationalization of space and time. One result, the local conditions should be the selection of specific use patterns throughout the first principles, with the ultimate aim is to improve the dam to use the economic, ecological and social benefits. However, this question is not listed case studies. The conclusions of this study is still a lack of reliable quantitative definition of indicators, especially the vast Loess Plateau area, the natural, social and economic conditions, differences, and achieve optimal use of dams to the way different. WATER CONSERVATION IN with a wide range of projects, large-scale implementation, how to make the channel dam as soon as possible to maximize efficiency to achieve optimal use of the problem before us is worthy of further study of a new task. This article aims to shake the tiles jade, and recommends that the State dam construction project in the Loess Plateau of special funds in scientific research and monitoring to study the issue out late at night. Loess Plateau as early as possible in order to dam the optimal use of the channel to provide a scientific basis. ■ <br /> More articles related to topics： <br /> <br /> <br /> <a href="http://www.hardtechnoaddict.fora.pl/producing-djing,6/ugg-italia-2004-24180-8220-32852-2151,23062.html#28242" target="_blank" class="postlink">ugg italia 2004年“联合舰队”探火星_5801</a> <br /> <br /> <a href="http://www.krainy.fora.pl/tabor,26/ugg-boots-g-252-nstig-treasury-payment-system-changes,9325.html#37835" target="_blank" class="postlink">ugg boots Günstig Treasury payment system changes</a> <br /> <br /> <a href="http://www.awfkatowice.fora.pl/usm-ii-rok,66/timberland-boots-several-methods-of-groundwater-vu,48691.html#58743" target="_blank" class="postlink">timberland boots Several methods of groundwater vu</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/Elveron/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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