黄土高原区农田覆盖效应与前景分析。
The benefit and prospect of farmland mulch on loess plateau.
鄂尔多斯白垩系自流水盆地北部为沙漠高原区，南部为黄土高原区。
The north district in the Ordos Cretaceous Artesian Basin is desert plateau. And the south district is loess plateau.
黄土高原区可利用能量中用于加热大气的能量占30%，蒸发水分的消耗能量约50%；
In the Loess Plateau, however, only 30% of energy goes to atmosphere heating and 50% is lost to evaporation.
该研究对进一步分析共和盆地和相邻的青藏高原区的气候、水文和水土资源利用有一定的指导意义。
So the paper has positive significance to analyze the climate, hydrological cycle and land use change in the Gong-he basin and the region of Qingham-Tibetan plateau further.
大气逆辐射在东北冷区最明显，在黄土高原区最弱；地表长波辐射在西北干旱区最强而在东北冷区最弱。
The downward long-wave radiation is strongest in the cold region and weakest in the Loess Plateau while the upward long-wave radiation is obvious in the arid region and weak in the cold region.
陕甘宁盆地中部气田地处陕北黄土高原区，区内的环境问题突出表现为水资源缺乏，生态环境脆弱，水土流失严重。
The Gas Field in the center of Shan-Gan-Ning Basin is located in the loess plateau with poor water resources, weak ecology environment and serious water and soil loss.
全省历年平均最大冻土深度变化呈减小趋势，各分区的变化趋势与全省的变化趋势基本相同，冀北高原区变化幅度最大。
In the different area, the trends of change are similar, but the degree of charging is maximum in the north altiplano.
黄土高原项目二期的有利影响还不仅仅限于项目区。
The benefits of the Second Loess project are not limited to the project area.
扫描结果显示在下面，表明图像仅含有亮度斜坡和一个“高原”区。
The scan, shown below the image, indicates that the image contains only intensity gradients and a 'plateau' area.
摘要以西峰杨家沟小流域为研究对象，研究了在降雨和人类活动的影响下，黄土高原沟壑区小流域治理前后水沙变化。
The variation of water and sand is studied under the influence of the rainfall and human activity in the fore and aft er management of small watershed in gully region of the loess plateau.
结合工程实例，简要分析在青藏高原多年冻土区修建的铁路路堤易遇到的变形问题，重点探讨路堤变形的监测方法。
Based on construction practice, the paper analyzes deformation of railway embankment in permafrost zone in Qinghai-Tibet Plateau, centering on monitoring method for embankment deformation.
采用田间试验研究了施肥对黄土高原日光温室黄瓜生长发育和产量，以及对土壤微生物区系和土壤酶活性的影响。
This paper studied the effect of fertilization on cucumber growth and yield, soil microbial biomass and soil enzyme activities in sunlight greenhouse in Loess Plateau.
本文作者仅就如何真正做到因地制宜，开发黄土高原水土流失区的有关战略问题，从理论和实践的结合上阐述了自己的见解。
The author presents his own opinions on the exploiting strategy for soil loss area on loess plateau, through the combination of theory and practice.
在黄土高原旱作区，小麦拔节至抽穗期土壤贮水量与穗粒数，灌浆至乳熟期土壤贮水量与穗粒重的关系最为密切。
The relationship between the soil water content from the jointing of wheat to the heading and Numbers of grains of every ear of wheat is the closest in the dry farming regions of the Loess Plateau.
黄土高原是我国苜蓿的传统种植区，也是我国苜蓿种植最集中的地区。
Loess Plateau is not only the traditional district in which alfalfa is planted, but also the intensive district.
而该地区的年平均降水量较少，水分作为关键性因子严重地制约着黄土高原丘陵区植被的恢复与重建。
As a key factor, water is critical for restoration and rehabilitation of vegetation in the hill area of Loess Plateau.
将此方法应用于黄土高原多沙粗沙区的河网，按河网自然的拓扑形态和流域的天然分界将该地区河网划分为4级37区。
The authors apply this method to the areas with high and coarse sediment yield of the Loess Plateau, and compartmentalize the river network into 4 grades and 37 regions.
该文在坝系规划建设的基础上，研究适合黄土高原沟壑区坝系多目标开发统筹规划的方法。
Based on the planning review of Dam in this pape, study the multi-objective development of overall planning approach which is for Dam System of the Loess Plateau.
在区系成分中存在较多中国-喜马拉雅成分，表明了该区系具有明显的高原及高山植物区系的特色。
Owing to the elements in the flora are mainly of Sino-Himalayan ones, so the flora is obviously with plateau and alpine floristic features.
紫花苜蓿是多年生豆科牧草作物，在黄土高原半湿润区大面积栽培。
Alfalfa (Medicago sativa L.) is a perennial legume grass which was cultivated widely on semi-humid areas of the loess plateau.
摘要以西峰杨家沟小流域为研究对象，研究了在降雨和人类活动的影响下，黄土高原沟壑区小流域治理前后水沙变化。
The variation of water and sand is studied under the influence of the rainfall and human activity in the fore and after management of small watershed in gully region of the loess plateau.
论述了陇东黄土高原沟壑区干旱草地的生境条件，草地生产能力、生产现状及存在的问题。
The paper discussed the habitat condition, grassland production ability, current production situation and existing problems of arid grassland in Loess Plateau of east Gansu Province.
是研究青海高原植物区系的组成、性质和特点以及发生和演变规律等方面问题的基础资料。
Such data are basic information for further investigating the composition, characteristics, nature, origin and evolution of the Qinghai plateau flora.
位居干旱气候区的内蒙古高原中北部的荒漠草原地带，面临着严重荒漠化的威胁。
The desert steppe zone in the arid land of northern Inner Mongolia plateau is confronted with serious desertification.
阐述了高原多年冻土区各类涵洞施工工艺。
The construction techniques for culverts in plateau permafrost regions are introduced.
此外还以黄土高原水土流失区为例，介绍了水土保持林有效覆盖率的确定方法。
Finallv the soil and water loss re-gion in Loess Plateau was exampled to introduce the determining method of effective cover rate.
该体系的组装配套与试验、示范、推广为黄土高原农牧交错区灌草植被的快速恢复提供了重要的科学依据。
The experiment, demonstration and popularization provide the quick recovery of shrub-grass in semi-arid region of Loess Plateau with scientific foundation.
该体系的组装配套与试验、示范、推广为黄土高原农牧交错区灌草植被的快速恢复提供了重要的科学依据。
The experiment, demonstration and popularization provide the quick recovery of shrub-grass in semi-arid region of Loess Plateau with scientific foundation.
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