您要查找的是不是:
- Use recyclale paper is also a way to protect forest resources. 使用再生紙也是保護森林資源的一個途徑.
- For the new slope protection, the traditional slope stabilization appraisal is indispensable to add new ways. 對於這種新的護坡形式,傳統的邊坡穩定評價必然需要增加新的方法,傳統的護坡形式也需要注入新的內容。
- Geonet can be used in vegetation slope protection ,reservoir bottom reinforceme nt and rubbish filling spot. 主要應用於綠化用邊坡防護。水庫庫底的加固。垃圾田埋埋廠的淀層。
- The prestressed anchor-cable and lattice beam is a kind of new complex structure used in slope protection. 預應力錨索格構梁由於其多方面的優點而在工程中得到了廣泛的應用。
- We must put in practice a strict land management system and measures to protect forest and grasslands. 堅決實行最嚴格的土地管理制度和保護森林資源的措施。
- The results are found more conservative as compared with the Netherland computing method in the design of the layer thickness for slope protection. 本文對於如何合理確定風速、風向和吹程給出一些建議,文中同時介紹了荷蘭採用的干砌石護坡面層的設計方法,相比之下,我國採用的砌石護坡面層設計厚度略偏於安全。
- Establishment of Cutting Orchard of Improved Variety for Coastal Protection Forest of Casuarina spp. 沿海防護林木麻黃優良品種采穗圃營建技術的研究。
- This work tries to study an eco-type revetment material named ZZLS that can combine vegetation recovery with mine high slope protection. 開展一種可將礦山高邊坡防護和恢復植被有機結合的ZZLS綠色生態材料的研究應用。
- Study on Affection of Water Resources Protection Forest to Water Quality of Miyun Reservoir in Beijing, China. 北京密雲水庫水源涵養林對水質的影響研究。
- Klein Breteler M. and Stigters K., Hydroblock: slope protection system for the third millennium, GreenBanks v.o.f., the Netherlands. 耿靈生等.;新型砌塊水土保持系統的應用研究
- Protection Forest on sandy meadow was established by mixing broadleaf trees to raise stability of sandy meadow system. 為提高草沙地系統穩定性,採用闊葉樹混交方式營建草沙地防護林。
- Erosion resistibility of expressway slope is one of important index for evaluating and selecting the type of slope protection. 公路邊坡防護的抗沖刷能力是評價和選擇防護類型的重要指標之一,而這方面的研究,尤其是定量研究為數不多。
- This paper introduces the effect of rhizoma of plant in the slope protection project and the construction method of the biological protection. 本文介紹了植物根莖在邊坡防護中的作用,以及生態防護的工程施工方法;
- Chemical property of precipitation in Pinus tabuleaeformis water resource protection forest in Miyun Reservoir wa-tershed. 密雲水庫集水區人工油松水源保護林降水化學性質研揪。
- It is necessary for the technology regularization of the ecological slope protection, and native plants should be paid more attentions. 為了進一步推廣應用生態護坡技術,必須加強技術的規範化,並重視鄉土植物品種的應用。
- The embankment with crushed-rock slope protection is a main measure for cooling the permafrost under the Qinghai-Tibet railway. 摘要塊石護坡路基是青藏鐵路建設中一種有效的冷卻地基保護凍土工程措施。
- This paper introduced the construction technique of slope protection with bagged concrete and related important matters. 詳細介紹了模袋混凝土護坡施工技術要求及施工方法與注意事項。
- Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock. 生態環境林、城市防護林建設,天然林資源保護,水土保持,林業苗木生產及綜合利用開發等。
- Discusses regional construction pattern of optimal protection forest system to esta-bilish a symbiosis relation between protection forest system and ecosystems. 生態經濟型防護林體系建設模式系統就是體系的建立和優化發展的方法系統。
- This new kind of slope protection can avoid some defects of traditional concrete prefabricated components and is worth of being spread in grit slope protection. 此種新型護坡結構可避免傳統混凝土預製板護坡的某些弊端,為砂堤護坡工程提供了具有實用價值的推廣方案。