synergic wear of impact erosion and cavitations erosion test equipment and its experimental study

1、

gis based analysis of spatial-temporal distribution of soil nutrients in a suburb region: a case study of the daxing district in beijing city

基于GIS的城乡交错带土壤养分时空变化及格局分析&以北京市大兴区为例

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2、

observation on epidemiological effects of hepatitis b vaccine post-immunization for 3-12 years old children in daxing district of beijing city

北京市大兴区3-12岁儿童乙型肝炎疫苗免后流行病学效果观察

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3、

effects of the afforestation models along the beijing-jiulong railway on aerodynamics in daxing district of beijing

京九铁路大兴段绿化模式动力效应的研究

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4、

studies on security assessment of farmland resources in swift-expanding urban cities: a case study on daxing district of beijing

城市快速扩展区耕地资源安全评价研究&以北京市大兴区为例

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5、

this paper analyzes the above problems by the experimental scheme of rural social insurance of the aged in daxing district of beijing.

结合北京市大兴区农村社会养老保险试点方案，对上述问题作了简要分析。

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6、

investigation on understanding situation of knowledge of hpai prevention and control among exotic population in daxing district of beijing

北京市大兴区部分外来人员预防高致病性禽流感知识现状调查

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7、

analysis of results of health examination ( 2004.6~ 2006.6) the health-related practitioners of daxing district

大兴区2004.6~2006.6卫生从业人员体检结果分析

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8、

physical principle of wind erosion in sand land and countermeasures& a case study of daxing district in southern beijing

北京南郊沙地风蚀物理特征及防护对策研究&以大兴区为例

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9、

a preliminary discussion on carrying on project-management in community health service project of daxing district of beijing

北京市大兴区部分社区卫生服务项目实行项目管理初探

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10、

evaluation of potential benefits of cultivated land consolidation: a case in daxing district of beijing municipality

耕地整理的潜在效益评价&以北京市大兴区为例

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11、

the application of dmc data to the land use change dynamic monitoring& taking daxing district of beijing as an example

DMC数据在土地利用动态监测中的应用分析&以北京市大兴区为例

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12、

analysis on the epidemic of measles in daxing district of beijing city from 2000 to 2005

2000～2005年北京市大兴区麻疹疫情资料分析

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13、

analysis on situation of reported occupational disease hazards projects of the 213 enterprises in daxing district, beijing

北京市大兴区213家企业职业病危害项目申报情况分析

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14、

a cognizance to the growth poles of tourism daxing district in beijing city

北京市大兴区旅游业生长极认定

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15、

death analysis of chronic hepatopathy related to hbv infection in daxing district

大兴区乙肝病毒感染有关慢性肝病死亡情况分析

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16、

analysis of land use structure in urban fringe area: a case study in daxing district of beijing

城市边缘区土地利用结构分析&以北京市大兴区为例

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17、

an analysis of the exploitation potential of groundwater resources in daxing district of beijing

北京市大兴区地下水资源开采潜力分析

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18、

heavy metal assessment of the green food producing area in daxing district in beijing

北京市大兴区绿色食品产地重金属状况评价

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19、

a case study on the application of location models for small town development of daxing district beijing

区位模型在小城镇发展过程中的应用研究&以北京市大兴区为例

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20、

land-consolidation-potentiality evaluation based on sustainable development for daxing district in beijing

基于可持续发展的北京市大兴区土地整理潜力评价

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