The acidity characteristics and acidification buffering capacity of total suspended particles(TSP) collected respectively in a high-mountain area and an urban area of Fujian Province during the spring of 2003 were analyzed.
利用福建九仙山和福州市两地监测的TSP资料,对高山、重点城市的TSP酸碱特性和酸化缓冲能力进行分析研究。
The acidity characteristics and acidification buffering capacity of total suspended particles (TSP) collected respectively in a high-mountainous area and an urban area of Fujian Province during Spring of 2003 were analyzed.
本文利用福建九仙山和福州市两地监测的TSP资料,对高山、重点城市的TSP酸碱特性和酸化缓冲能力进行分析研究。
Application of metal-structure house in high mountain telecommunication microwave station;
金属结构机房在高山站的应用
Television towers on high mountain was a kind of representative structure of tower mast structure.
对5座高山电视塔在自然环境下金属腐蚀与防护进行了调查和分析研究,寻求其规律性,以便在今后建设中有针对性地改进抗蚀措施,提高并延长其结构使用寿命,更好地为广播电视宣传服务。
25BZ]Some experience in obtaining low grounding resistance in weathered rocky soil on high mountains is concluded through the design and construction practice of cutting down grounding resistance in lightning protection project of the Yaoshan Base Station, which is at an elevation of 713m, of Guilin TV Launching pad and China Mobil Co.
通过对桂林电视发射台和中国移动桂林分公司尧山基站(海拨高度713m)的防雷接地降阻工程的设计和施工实践,探索出在高山地段风化多岩石土壤获得低接地电阻的一些经验,对类似的高山防雷接地装置设计和施工有一定实用价值。
This paper discusses the reason of more water (precipitation, run-off, glacier) in high mountains than in low lands.
根据高山上云、雾、雨、雪、径流等水资源丰富现象,分析了高山冰川、植被、地形等与汽-水作用关系,提出高山增水效应概念和高山区水资源开发与保护的新思路。
Introduction Trial of Cherry Tomato Cultivars in the Mountains;
高山樱桃番茄品种引进试验
And it is suitable for developing autum vegetables in the mountains where the summer is cooler.
三峡坝区自然条件优越,局部小气候多样,适应于各种蔬菜的生长发育,特别是其河谷地带具有显著的“冬暖”特点,而高山、半高山地带则具有“夏凉伙早春迟”的特点,可分别发展春秋淡季蔬菜生产。
Continuous field experiment was carried out on alpine meadow along different elevation gradient in Qilian Mountains during the growing season of 2004 using a soil respiration chamber(Li-6400-09) connected to a portable photosynthesis system(Li-6400).
采用Li-6400便携式光合作用测量系统连接Li-6400-09土壤呼吸室,在2004年生长季节对祁连山高山草甸土壤CO2通量沿海拔梯度进行了野外定位试验,统计分析了水热因子及根系生物量对高山草甸土壤CO2通量特征的可能影响。
),which is covered with alpine meadow,located in the middle reaches of the upper Heihe River,one of the long inland river in Northwest China.
2005年9月—2006年9月,具有较高代表性的3个山坡径流场均没有观测到产流量,结合蒸散发观测和野外调查,发现夏季高山草甸具有明显的地表径流拦蓄和水源涵养作用。
The results showed that in 0-10 cm soil layer,the biomass,length density,surface area density,and volume density of living fine roots were all decreased in the order of evergreen broadleaf forest<dwarf forest<coniferous forest<alpine meadows,with significant differences(P<0.
结果表明:0~10 cm土壤活细根生物量、活细根根长密度、活细根表面积密度、活细根体积密度均是常绿阔叶林<矮林<针叶林<高山草甸,各群落间呈现极显著差异(P<0。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号