1) karst afforestation area
石灰岩岩溶造林区
2) soluable calcareous rock
石灰岩溶
1.
As constructing the tunnels with soluable calcareous rocks whose geological con-ditions are complex, the outflow,mud-flow and surface collapse are usually occurred,caus-ing the construction of tunnels and later thc maintenance in traffic extremely difficult andhardly to be brought under control.
石灰岩溶地质复杂,隧道施工中常见涌水突泥,地表坍陷,给施工与运营造成极大困难,整治也十分艰难,本文介绍多年来岩溶隧道施工的经验和教训,提出施工中的主要问题和应采取的对策。
3) limestone areas
石灰岩区
1.
Scientific analysis was carried out in respect to the seepage mechanism limestone areas storage project; waterpower connection of surface and underground water resources in limestone area was clarified various economic and technological indexes were determined rationally.
通过对石灰岩区蓄水工程渗漏机理进行了科学分析 ,摸清了石灰岩区地表水资源和地下水资源的水力联系 ,经济合理地确定了防渗处理的各项经济技术指标 ,并总结出一整套科学完整的施工工
4) limestone hills
石灰岩森林
1.
The forest flora of limestone hills in Xishuangbanna, Yunnan, is estimated to consist of 1394 vascular plant species belonging to 640 genera and 153 families, of which seed plants share 1269 species of 558 genera, 129 families, and ferns share the others.
西双版纳石灰岩森林植物区系经调查有维管束植物153科,640属,1394种及变种,其中,种子植物占129科558属1269种及变种。
5) limestone mining area
石灰岩矿区
1.
In view of ecological restoration of mining environment,an exhaustive study of the mine wastedlands of the typical middle and small limestone mining area in the west China was set off.
从矿山环境生态恢复的角度对西部地区具有典型代表意义的中小型石灰岩矿区矿业废弃地开展了详细的研究,针对矿业废弃地的不同特点,采取相应的工程措施与生物措施相结合的方式,进行综合治理。
6) limestone area
石灰岩地区
1.
The practice and understanding of the electrical exploration to seek groundwater in limestone area invaded by igneous rocks
火成岩侵入的石灰岩地区电法找水实践与认识
2.
In limestone area,several methods were applied to improve the environment.
在石灰岩地区实施坡改梯工程,减小地面坡度和缩短地面坡长,降低坡面径流速度和水土流失量;采取局部客土和取石还土措施,增厚土层,改善土壤结构,增大“土壤水库”容量,增加耕地有效面积;修建农田水利工程,形成拦、蓄、灌、排系统网络,做到水不乱流、泥不下山,改善农业生态环境;修建田间道路工程,方便农民生产生活,改善农业生产条件,合理利用土地资源。
3.
Based on years of afforestation experience in limestone area, the author concluded a series of afforestation technology which are listed in the following: The key factor is maching species with the site, Zenia insignis, Cornus wilsoniana, Radermachera sinica, and Pinus elliottii grow well in this area.
文章根据广东省石灰岩地区多年的造林实践和试验 ,总结了在石灰岩地区营造生态公益林的技术。
补充资料:白云石,白云岩,石灰岩
CAS:1317-65-3
中文名称:石灰石;电石灰岩;石灰石粉;霰石,文石;方解石,碳酸钙晶体;碳酸钙,白垩;白云石,白云岩,石灰岩;石灰石,石灰石;大理石,大理岩,云石,玻璃球;波特兰石;白垩,磨细白垩粉,白垩粉
英文名称:Limestone;Agstone;agricultural limestone;aragonite;atomite;bell mine pulverized limestone;calcite;calcium carbonate;carbonic acid, calcium salt;chalk;dolomite;domolite;franklin;lithograpic stone;marble;natural calcium carbonate;portland stone;sohnhofen stone;whiting;limestone,powder;flux lime
中文名称:石灰石;电石灰岩;石灰石粉;霰石,文石;方解石,碳酸钙晶体;碳酸钙,白垩;白云石,白云岩,石灰岩;石灰石,石灰石;大理石,大理岩,云石,玻璃球;波特兰石;白垩,磨细白垩粉,白垩粉
英文名称:Limestone;Agstone;agricultural limestone;aragonite;atomite;bell mine pulverized limestone;calcite;calcium carbonate;carbonic acid, calcium salt;chalk;dolomite;domolite;franklin;lithograpic stone;marble;natural calcium carbonate;portland stone;sohnhofen stone;whiting;limestone,powder;flux lime
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参考词条