退耕地,abandoned cropland
1)abandoned cropland退耕地
1.Relationship between soil seed bank and aboveground vegetation inabandoned croplands on the Gullied-Hill Loess;黄土丘陵沟壑区退耕地土壤种子库与地上植被的关系
2.The richness index(Margalef index),diversity indices(Simpson index and Shannon-Wiener index),Pielou evenness index,Sorenson index,Bray-Curtis index were used respectively to analyze the diversity of natural restoration vegetation communities inabandoned croplands in the hilly-gullied region of the Loess Plateau.分别采用物种丰富度指数、多样性指数、Pielou均匀度指数J、Sorenson指数(Cs)和Bray-Curtis指数(CN)对黄土丘陵沟壑区退耕地自然恢复群落的多样性进行了初步研究。
2)abandoned land退耕地
1.Soil structural characteristics and its effect on infiltration onabandoned lands in semi-arid typical grassland areas;半干旱典型草原区退耕地土壤结构特征及其对入渗的影响
2.The responses of soil organic carbon,total nitrogen and enzymatic activity to vegetation restoration inabandoned lands in Yangou watershed;燕沟流域退耕地土壤有机碳、全氮和酶活性对植被恢复过程的响应
3.Study of soil physical properties and community characteristics of differentabandoned lands in Ziwuling area of Loess Plateau;黄土高原子午岭退耕地土壤物理性质与群落特征
3)abandoned lands退耕地
1.Based on the observation in the typical hilly and gully region on the Loess Plateau-Wuqi county, the changes of soil water-stable aggregates of different abandoned times? different types of vegetation and different restoration measures during vegetation restoration inabandoned lands were studied.以黄土高原典型丘陵沟壑区—吴旗县为例,研究了退耕地不同植被恢复年限、不同植被类型和不同恢复方式下的土壤水稳性团聚体含量的变化。
2.Based on the typical hilly-gully regions on the Loess Plateau-Yangou watershed, soil physical properties of different abandoned times,different types of vegetation and different restoration measures during vegetation restoration inabandoned lands were analyzed.以黄土高原典型丘陵沟壑区——延安燕沟流域为研究对象,分析了黄土丘陵区退耕地植被恢复过程中不同恢复年限、不同植被类型以及不同恢复方式下的土壤物理变化特征,结果表明:对于土壤含水量,草地>灌木地>乔木地,自然恢复>自然+人工恢复,随着退耕年限的不断增长,上层土壤含水量不断增加,下层不断降低,随土层不断加深,其含量逐步趋于稳定;对于0～60cm土壤平均容重及孔隙度,以灌木地土壤容重相对较大,孔隙度相对较小,乔木地的容重及孔隙度的变化与灌木地相反,并且随着退耕年限的不断延长,土壤容重不断减小,孔隙度不断增加,但是不同恢复方式下土壤容重及其孔隙度变化不大;对于0～60cm土层>0。
3.According to factor analysis of soil nutrients during vegetation restoration inabandoned lands in hilly and gully regions of the Loess Plateau,the effect of the soil nutrient was studied.为了探求各土壤养分因子对植被恢复贡献的大小,利用因子分析 Factoranalysis 对黄土高原丘陵沟壑区退耕地植被恢复中的土壤养分进行了多元统计分析,定量研究了土壤养分环境对植被恢复的作用。
4)Abandoned farmland退耕地
1.Infiltration characteristics of soil and its influencing factors in abandoned farmland in the Hilly-gully region of Loess Plateau;黄土丘陵区退耕地土壤水分入渗特征及影响因素
2.Relationship between persistent soil seed bank and above-ground vegetation on abandoned farmland in An"sai of the North Shaanxi Province陕北安塞退耕地持久土壤种子库与地上植被的对应关系
5)farming-withdrawn land退耕地
1.Soil water characteristic model,holding water parameter,and specific water capacity on threefarming-withdrawn lands (6,11,and 16 years) and four enclosed grasslands (Thymus mongolicus,Artemis- ia gmelini,Stipa grandis and Stipa bungeana communities) are studied by contrasting with slope plantation in a typical grassland on the Loess Plateau.对典型草原云雾山保护区退耕6 a,11 a(放牧8 a)和16 a的3个退耕地和4个封育草地(百里香群落、铁杆蒿群落、大针茅群落和长芒草群落)对照坡耕地表层土壤的水分特征曲线数学模型、持水参数和比水容量进行了测定。
2.The results revealed that in the forty-year evolution,the vegetations on thefarming-withdrawn lands successfully experienced Artemisia scoparia-,Lespedeza davurica-,Stipa bungeana-,Artemisia gmelinii-,Bothriochloa ischaemun- dominated forae which displayed relative.采用TWINSPAN分类和CA排序方法,对黄土高原丘陵沟壑区安塞33个退耕地自然恢复植被样方进行了分类与排序。
6)cultivated land degradation耕地退化
1.Under the guidance of absolute degradation thought, this paper proposes the technological frame for monitoring and appraising thecultivated land degradation, based on the 3S technologies,Namely using 3S technologies synthetically, analyzing the nature, environmental, social and economic elements which influence the land utilization and degradation synthetical.综合分析了国内外关于土地退化监测与评价方法的进展 ,以绝对退化思想为指导 ,提出了基于 3S技术的耕地退化监测与评价技术路线框架 ,即综合运用 3S技术 ,分析影响土地利用与耕地退化的自然、环境与社会经济要素 ,建立基于 3S技术的耕地退化监测与评价的指标体系 ,提出基于 3S技术的耕地退化信息提取方法 ,建立基于 3S技术的耕地退化定量评价模型和评价方法 ,定量分析土地利用与耕地退化的生态环境响应 ,从土地利用的角度提出解决耕地退化的调控措施、政策及建
英文短句/例句
1.A Study on the Sloping Farming Land Degradation Mechanism and the Protecting Measures Against Soil Erosion Degradation;坡耕地退化机理及侵蚀退化防治措施研究
2.Degenerative Reality and Controlling Countermeasure ofCultivated Land in West Region of China;我国西部地区耕地退化现状及其防治对策
3.The Primary Study on Renovating Degraded Mountain Rangelands Using Livestock Hoof Tillage Technology蹄耕法技术改良山地退化草场的研究
4.A Positive Study on China s Farmland Conversion and Land Degradation in Transition;转型期中国耕地非农化与土地退化的实证分析
5.Evolvement Game on Implementation of Local Government in Cropland Conversion;退耕还林中地方政府执行行为的演化博弈
6.Soil Physicochemical Properties on Returned Farmlands in the Water Source Area of the South-to-North Water Diversion Project南水北调中线水源区退耕地土壤理化特性研究
7.Simulation on the Energy Balance over Moving Dune and Farmland in Keerqin Desert Area科尔沁退化沙地和农耕区水热交换的模拟研究
8.Study on Changes of Soil Physiochemical Property Under Converting Cropland to Forest in Datong of Qinghai Province青海大通退耕还林地土壤理化性状演变研究
9.Carbon sequestration effect following retirement of degraded croplands into alfalfa forage land in the middle of Hexi Corridor region,northwest China河西走廊中段绿洲退化土地退耕种植苜蓿的固碳效应
10.A Study of population stress simulation in slope cropland de-farming based on grid;基于GRID的坡耕地退耕压力模型研究
11.DIFFICULTIES AND STRATEGIES FOR THE DE-FARMING OF STEEP CROPLAND IN THE UPPER REACHES OF THE YANGTZE RIVER;长江上游陡坡耕地退耕的难点与对策
12.land retired from crop cultivation and planted with soil-building crops; government subsidies are paid to farmers for their retired land.退耕出来的土地；政府付给退耕农民的津贴。
13.Grading Region of Urgency Returning Farmland to Forest and Its Strategy in Guizhou Province;贵州省退耕还林紧迫性地域分级与退耕策略
14.Research on the Ecological Effect of the Land Use Based on the Sand Ground of Horqin Which Was Grain for Green;基于退耕还林还草的科尔沁沙地土地利用变化生态效应研究
15.Characteristics of Landuse Change and Afforestation Distribution in Middle Scale Region of Loess Plateau;中尺度地区土地利用变化及退耕还林空间布局特征研究
16.The Use of Land Use Change Models to Support the Conversion of Unsustainable Dry Land into Forest Land or Grassland - A Case Study in Tongliao Region;基于土地利用变化模型的退耕还林还草决策分析——以通辽地区为例
17.FEASIBILITY ANALYSIS OFRETURNING CULTIVATED LAND OF SLOPING CULTIVATED AND NECESSITY ANALYSIS OF RETURNING CULTIVATED LAND TO GRASSLAND IN GANSU PROVINCE;甘肃省坡耕地退耕的可行性与退耕还草的必要性分析
18.Eco-economic Effect of Actualizing De-farming and Reafforestation Policy in Desertification Areas: Taking Minqin County as a Case;沙漠化地区退耕还林政策的生态经济效应分析——以民勤县为例
相关短句/例句
abandoned land退耕地
1.Soil structural characteristics and its effect on infiltration onabandoned lands in semi-arid typical grassland areas;半干旱典型草原区退耕地土壤结构特征及其对入渗的影响
2.The responses of soil organic carbon,total nitrogen and enzymatic activity to vegetation restoration inabandoned lands in Yangou watershed;燕沟流域退耕地土壤有机碳、全氮和酶活性对植被恢复过程的响应
3.Study of soil physical properties and community characteristics of differentabandoned lands in Ziwuling area of Loess Plateau;黄土高原子午岭退耕地土壤物理性质与群落特征
3)abandoned lands退耕地
1.Based on the observation in the typical hilly and gully region on the Loess Plateau-Wuqi county, the changes of soil water-stable aggregates of different abandoned times? different types of vegetation and different restoration measures during vegetation restoration inabandoned lands were studied.以黄土高原典型丘陵沟壑区—吴旗县为例,研究了退耕地不同植被恢复年限、不同植被类型和不同恢复方式下的土壤水稳性团聚体含量的变化。
2.Based on the typical hilly-gully regions on the Loess Plateau-Yangou watershed, soil physical properties of different abandoned times,different types of vegetation and different restoration measures during vegetation restoration inabandoned lands were analyzed.以黄土高原典型丘陵沟壑区——延安燕沟流域为研究对象,分析了黄土丘陵区退耕地植被恢复过程中不同恢复年限、不同植被类型以及不同恢复方式下的土壤物理变化特征,结果表明:对于土壤含水量,草地>灌木地>乔木地,自然恢复>自然+人工恢复,随着退耕年限的不断增长,上层土壤含水量不断增加,下层不断降低,随土层不断加深,其含量逐步趋于稳定;对于0～60cm土壤平均容重及孔隙度,以灌木地土壤容重相对较大,孔隙度相对较小,乔木地的容重及孔隙度的变化与灌木地相反,并且随着退耕年限的不断延长,土壤容重不断减小,孔隙度不断增加,但是不同恢复方式下土壤容重及其孔隙度变化不大;对于0～60cm土层>0。
3.According to factor analysis of soil nutrients during vegetation restoration inabandoned lands in hilly and gully regions of the Loess Plateau,the effect of the soil nutrient was studied.为了探求各土壤养分因子对植被恢复贡献的大小,利用因子分析 Factoranalysis 对黄土高原丘陵沟壑区退耕地植被恢复中的土壤养分进行了多元统计分析,定量研究了土壤养分环境对植被恢复的作用。
4)Abandoned farmland退耕地
1.Infiltration characteristics of soil and its influencing factors in abandoned farmland in the Hilly-gully region of Loess Plateau;黄土丘陵区退耕地土壤水分入渗特征及影响因素
2.Relationship between persistent soil seed bank and above-ground vegetation on abandoned farmland in An"sai of the North Shaanxi Province陕北安塞退耕地持久土壤种子库与地上植被的对应关系
5)farming-withdrawn land退耕地
1.Soil water characteristic model,holding water parameter,and specific water capacity on threefarming-withdrawn lands (6,11,and 16 years) and four enclosed grasslands (Thymus mongolicus,Artemis- ia gmelini,Stipa grandis and Stipa bungeana communities) are studied by contrasting with slope plantation in a typical grassland on the Loess Plateau.对典型草原云雾山保护区退耕6 a,11 a(放牧8 a)和16 a的3个退耕地和4个封育草地(百里香群落、铁杆蒿群落、大针茅群落和长芒草群落)对照坡耕地表层土壤的水分特征曲线数学模型、持水参数和比水容量进行了测定。
2.The results revealed that in the forty-year evolution,the vegetations on thefarming-withdrawn lands successfully experienced Artemisia scoparia-,Lespedeza davurica-,Stipa bungeana-,Artemisia gmelinii-,Bothriochloa ischaemun- dominated forae which displayed relative.采用TWINSPAN分类和CA排序方法,对黄土高原丘陵沟壑区安塞33个退耕地自然恢复植被样方进行了分类与排序。
6)cultivated land degradation耕地退化
1.Under the guidance of absolute degradation thought, this paper proposes the technological frame for monitoring and appraising thecultivated land degradation, based on the 3S technologies,Namely using 3S technologies synthetically, analyzing the nature, environmental, social and economic elements which influence the land utilization and degradation synthetical.综合分析了国内外关于土地退化监测与评价方法的进展 ,以绝对退化思想为指导 ,提出了基于 3S技术的耕地退化监测与评价技术路线框架 ,即综合运用 3S技术 ,分析影响土地利用与耕地退化的自然、环境与社会经济要素 ,建立基于 3S技术的耕地退化监测与评价的指标体系 ,提出基于 3S技术的耕地退化信息提取方法 ,建立基于 3S技术的耕地退化定量评价模型和评价方法 ,定量分析土地利用与耕地退化的生态环境响应 ,从土地利用的角度提出解决耕地退化的调控措施、政策及建
延伸阅读
英福美 ,丁地去炎松,布地缩松,布地奈德药物名称：布地奈德英文名：Budesonide别名： 普米克；英福美 ,丁地去炎松,布地缩松,布地奈德外文名： pulmicort ,budesonide成分： 布地奈德 药理作用： 具有强糖皮质激素作用。局部应用于支气管，其抗炎作用较可的松约强1000倍。 适用于局部对抗非特异炎症和抗过敏，如支气管哮喘和气道高反应性状态。 适应症： 支气管哮喘 用量用法： 气雾剂成人 初始剂量400-1600ug/日，分二次吸入，维持剂量200-400ug。儿童100-200ug,分2－4次吸入，干粉吸入剂成人 轻症400-800ug/日，重症800-1600ug/日，分2－4次用。 不良反应： ①轻微的喉部刺激感及声嘶，偶见口咽部念珠菌感染。 ②喷吸本品后应漱洗口腔和咽部，不然容易导致白色念珠菌滋生。 ③孕妇一般忌用。 注意事项： 肺结核患者及气道真菌、病毒感染者慎用。 规格： 气雾剂 50ugx 200喷。200ugx 100喷。干粉吸入剂 100ug x 200吸。200ugx 100吸，200吸。 类别：平喘药\肾上腺皮质激素
