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Assessment of the Second Mesiobuccal Root Canal in Maxillary First Molars: A Cone-beam Computed Tomographic Study 期刊论文
发表期刊: JOURNAL OF ENDODONTICS. 出版年: 2017, 卷号: 43, 期号: 12, 页码: 1990-1996
作者:  Zhang, Yuerong;  Xu, Hai;  Wang, Dongmiao;  Gu, Yongchun;  Wang, Juan;  Tu, Shuzhen;  Qiu, Xiaohui;  Zhang, Fuyu;  Luo, Yao;  Xu, Shi;  Bai, Jianling;  Simone, Grandini;  Zhang, Guangdong
收藏  |  浏览/下载:19/0  |  提交时间:2019/11/29
Cone-beam computed tomography  maxillary first molar  second mesiobuccal root canal  
Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010 期刊论文
发表期刊: Chinese Geographical Science. 出版年: 2014, 卷号: 24, 期号: 2, 页码: 231-244
作者:  Liu Qinping;  Yang Yongchun;  Tian Hongzhen;  Zhang Bo;  Gu Lei
收藏  |  浏览/下载:17/0  |  提交时间:2021/01/08
vegetation change  human impact  urbanization  built-up areas  nighttime light data  Normalized Difference Vegetation Index (NDVI)  
Assessment of human impacts on vegetation in built-up areas in China based on AVHRR, MODIS and DMSP_OLS nighttime light data, 1992-2010 期刊论文
发表期刊: CHINESE GEOGRAPHICAL SCIENCE. 出版年: 2014, 卷号: 24, 期号: 2, 页码: 231-244
作者:  Liu Qinping;  Yang Yongchun;  Tian Hongzhen;  Zhang Bo;  Gu Lei
收藏  |  浏览/下载:18/0  |  提交时间:2019/11/29
vegetation change  human impact  urbanization  built-up areas  nighttime light data  Normalized Difference Vegetation Index (NDVI)  
快速城市化时期中国城市建成区植被状况的时空分异特征 期刊论文
发表期刊: 自然资源学报. 出版年: 2014, 卷号: 29, 期号: 2, 页码: 223-236
作者:  刘沁萍;  杨永春;  田洪阵;  顾磊;  张博
收藏  |  浏览/下载:17/0  |  提交时间:2019/11/29
NDVI  vegetation change  NDVI  nighttime light data  built-up areas  
Accessing the urbanization impacts on township environment in semi-arid region of Northwest China by multi-disciplined methods 会议论文
会议名称: 2nd International Conference on Energy and Environmental Protection (ICEEP 2013). 会议地点: Guilin, PEOPLES R CHINA. 会议日期: APR 19-21, 2013
作者:  Gu, Lei;  Yang, Yongchun;  Li, Haoxu;  Zhang, Hourui;  Zhang, Bo;  Liu, Qinping
收藏  |  浏览/下载:18/0  |  提交时间:2019/12/09
urbanization  GIS  landscape pattern  bird survey  biodiversity  
Accessing the urbanization impacts on township environment in semi-arid region of Northwest China by multi-disciplined methods 会议论文
会议名称: 2nd International Conference on Energy and Environmental Protection (ICEEP 2013). 会议地点: Guilin, PEOPLES R CHINA. 会议日期: APR 19-21, 2013
作者:  Gu, Lei;  Yang, Yongchun;  Li, Haoxu;  Zhang, Hourui;  Zhang, Bo;  Liu, Qinping
收藏  |  浏览/下载:15/0  |  提交时间:2019/12/09
urbanization  GIS  landscape pattern  bird survey  biodiversity  
On-site growth response of a desert ephemeral plant, Plantago minuta, to indigenous arbuscular mycorrhizal fungi in a central Asia desert 期刊论文
发表期刊: SYMBIOSIS. 出版年: 2011, 卷号: 55, 期号: 2, 页码: 77-84
作者:  Zhang, Tao;  Sun, Yu;  Song, Yongchun;  Tian, Changyan;  Feng, Gu
收藏  |  浏览/下载:15/0  |  提交时间:2019/11/29
Arbuscular mycorrhizal fungi  Gurbantunggut Desert  Spring ephemeral  Spore development  Glomus etunicatum  
新疆棉花、玉米、加工番茄高效施肥关键技术研究与集成示范 成果
完成单位:新疆农业科学院土壤肥料研究所. 登记/发布日期:2010.
作者:  张炎;  李书田;  董巨河;  陈署晃;  冯固;  胡伟;  孟凤轩;  李青军;  单娜娜;  汤明尧;  邢海业;  刘新兰;  祁永春;  刘德江;  李磐;  冯耀祖;  冯广平;  胡国智;  王晓静;  侯秀玲;  高媛;  姚银坤;  齐桂红;  王海燕;  谭勇;  马海刚;  曾雄;  杨国武;  张昀;  王爱莲;  赖波;  何玉玲;  姜守军;  邸承贤;  李文磊;  顿晓丹;  金磊;  耿庆龙等
收藏  |  浏览/下载:43/0  |  提交时间:2019/11/29
兰州市地域结构分析 期刊论文
发表期刊: 地理科学. 出版年: 2002, 卷号: 22, 期号: 4, 页码: 468-475
作者:  杨永春;  曾尊固
收藏  |  浏览/下载:8/0  |  提交时间:2022/03/18
Lanzhou  internal structure  nodal region  homogenous area