1) dark block
黑游程
2) middle reaches of the Heihe River
黑河中游
1.
Based on characteristics of the eco-environment in the middle reaches of the Heihe River and PSP model,9 evaluation index systems that reflect eco-environmental frangibility while being isolated from each other were selected to form a model for integrated evaluation of eco-environment fragility of the studied area using the matter-elements theory and information entropy.
针对黑河中游生态环境特点,基于PSR模型,选取9项能反映其生态环境脆弱性而彼此之间相互独立的评价指标体系,采用物元可拓理论和熵权法构建生态环境脆弱性的综合评判模型,对黑河中游各地区生态环境脆弱性进行了评价。
2.
A major monitoring area was selected in Jinta of the middle reaches of the Heihe River .
利用 1990年和 2 0 0 0年的TM遥感资料 ,在经过定标、几何校正和图像增强等图像处理的基础上对土地覆盖类型进行解译 ,从而实现黑河中游金塔地区的生态环境遥感动态监测 。
3.
Based on the long-term hydrologic observations in study area,the model of the estimation of groundwater budget at the representative irrigation area in the middle reaches of the Heihe River was established in this paper.
根据对研究区多年的水文地质观测资料的分析和研究,建立了黑河中游典型灌区地下水水资源总均衡模型,选取了黑河干流具有代表性的平川、板桥、鸭暖和蓼泉灌区,对地下水均衡模型中的补给项及排泄项的主要变量分别进行了估算,结果表明:各灌区均衡期内地下水动态资料计算的均衡期始末地下水储存量变化与模型计算的均衡差基本相近,其相对误差为-17。
3) middle reaches of Heihe River
黑河中游
1.
Temporal and spatial distribution of soil organic carbon under different land uses in the middle reaches of Heihe River
黑河中游不同土地利用类型下土壤有机碳时空分布
2.
Based on experiments conducted in an intercropping field in Zhangye Oasis in the middle reaches of Heihe River in 2004,the characteristics of radiation budget are analyzed.
利用布设在黑河流域中游的张掖绿洲区的一套自动气象观测系统在2004年作物生长期内的完整资料,分析了黑河中游春小麦和玉米间作农田生态系统的辐射收支,在此基础上选用波文比能量平衡法(BREB)进行了能量平衡计算。
4) the middle reaches of Heihe River
黑河中游
1.
Ecological water requirements of vegetation in the middle reaches of Heihe River;
黑河中游地区植被生态需水量估算
2.
This article,choosing 2000 as the basic year,forecast the water demand in year 2006 and 2010 and analyze the balance between water supply and demand in the middle reaches of Heihe River,based on analyzing water resources and its exploitation and utilization status.
在分析黑河中游地区水资源及其开发利用现状基础上,以2002年为现状年,以2006年和2010年为预测年,对本地区未来需水量进行预测和供需平衡分析。
3.
In the middle reaches of Heihe River,leaf area index(LAI) and water consumption of Gansu Poplar(Populus gansuensis C.
在黑河中游,利用直接法和热脉冲树干液流仪分别监测了二白杨生长季节的叶面积指数和耗水量动态变化,研究了二白杨叶面积指数动态变化规律及其与耗水量的关系。
5) lower Heihe River
黑河下游
1.
The river courses in the lower Heihe River are all natural ones with irregular cross sections and great seepage,belonging to broad-shallow type of sandy riverbed.
黑河下游河道都是天然河道,断面不规则,属宽浅型沙质河床,河道渗漏量大。
6) Middle reach of Heihe river
黑河中游
1.
Agricultural ecology environment and sustainable development of seed industry in the middle reach of Heihe River basin;
黑河中游农业生态环境与种子产业可持续发展
2.
Protective effects of oasis protection forest in the middle reach of Heihe River.;
黑河中游绿洲防护林的防护效应分析
3.
The middle reach of Heihe River in Gansu Province is faced with serious problem of soil salinization.
土壤盐渍化是黑河中游可持续发展面临的主要问题之一,有必要深入分析该区盐渍化土壤的盐分含量以及各可溶性离子的相关性。
补充资料：游程
1.游览的路程。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条