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• 地理科学与资源研究所 [2]
• 长春光学精密机械与物... [2]
• 青藏高原研究所 [1]
• 成都山地灾害与环境研... [1]
• 西北高原生物研究所 [1]
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• OAI收割 [11]
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• 期刊论文 [8]
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• 2021 [2]
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• 生物科学::普通生物... [1]

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浏览/检索结果: 共12条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Effects of alpine meadow degradation on nitrifying and denitrifying microbial communities, and N2O emissions on the Tibetan Plateau 期刊论文  OAI收割 SOIL RESEARCH, 2021, 页码: 15 作者:  Zhang, Lu;  Wang, Xiangtao;  Wang, Jie;  Wan, Qian;  Liao, Lirong   |  收藏  |  浏览/下载：30/0  |  提交时间：2022/09/21 alpine meadow  denitrification  functional genes  functional microbial diversity  meadow degradation gradient  N2O emissions  N-cycling  nitrification  partial least squares path model   Efficient phenol degradation by laccase immobilized on functional magnetic nanoparticles in fixed bed reactor under high-gradient magnetic field 期刊论文  OAI收割 ENGINEERING IN LIFE SCIENCES, 2021, 页码: 8 作者:  Xia, Ting-Ting;  Feng, Mei;  Liu, Chun-Lei;  Liu, Chun-Zhao;  Guo, Chen   |  收藏  |  浏览/下载：38/0  |  提交时间：2021/08/31 fixed bed reactor  high‐  gradient magnetic field  magnetic immobilized laccase  phenol degradation   Divergent responses to water and nitrogen addition of three perennial bunchgrass species from variously degraded typical steppe in Inner Mongolia 期刊论文  OAI收割 SCIENCE OF THE TOTAL ENVIRONMENT, 2019, 卷号: 647, 页码: 1344-1350 作者:  Zhang, Hongxiang;  Gao, Yingzhi;  Tasisa, Buli Yohannis;  Baskin, Jerry M.;  Baskin, Carol C.   |  收藏  |  浏览/下载：47/0  |  提交时间：2019/06/04 Biomass allocation  Degradation gradient  Grazing  Nitrogen use efficiency  Water use efficiency   Performance study on a novel hybrid solar gradient utilization system for combined photocatalytic oxidation technology and photovoltaic/thermal technology 期刊论文  OAI收割 APPLIED ENERGY, 2018, 卷号: 215, 页码: 699-716 作者:  Yu, Bendong;  Jiang, Qingyang;  He, Wei;  Liu, Shanshan;  Zhou, Fan   |  收藏  |  浏览/下载：15/0  |  提交时间：2020/10/29 Photovoltaic/thermal  Photocatalytic oxidation  Formaldehyde degradation  Solar gradient utilization  Thermal properties  Electrical properties   Changes in Biomass and Quality of Alpine Steppe in Response to N & P Fertilization in the Tibetan Plateau 期刊论文  OAI收割 PLOS ONE, 2016, 卷号: 11, 期号: 5, 页码: e0156146 作者:  Pang, Z (Pang, Zhe);  Zhao, GQ (Zhao, Guoqiang);  Dong, JF (Dong, Junfu);  Wang, SP;  Cui, XY (Cui, Xiaoyong)   |  收藏  |  浏览/下载：29/0  |  提交时间：2017/09/29 Soil-moisture  Nitrogen  Grassland  Communities  Gradient  Meadow  Availability  Degradation  Limitation  Management   Soil Cellulase Activity and Fungal Community Responses to Wetland Degradation in the Zoige Plateau, China 期刊论文  OAI收割 Journal of Mountain Science, 2015, 卷号: 12, 期号: 2, 页码: 471-482 WU Li-sha; FENG Su; NIE Yuan-yang; ZHOU Jian-hong; YANG Zhi-rong; ZHANG Jie 收藏  |  浏览/下载：39/0  |  提交时间：2015/03/24 Wetland degradation  Soil cellulase  Fungal community  DGGE (Denatured Gradient Gel Electrophoresis)  qPCR (Quantitative Real-time PCR)   Variation of botanical composition, forage production and nutrient values along a grassland degradation gradient in the alpine region of Qinghai-Tibet Plateau 期刊论文  OAI收割 phyton-international journal of experimental botany, 2013, 卷号: 82, 页码: 45-54 作者:  Wen, L.;  Dong, S. K.;  Li, Y. Y.;  Pulver, C.;  Li, X. Y. 收藏  |  浏览/下载：23/0  |  提交时间：2014/05/09 Aboveground biomass  Alpine grassland  Degradation gradient  Forage nutrient  Qinghai-Tibet Plateau  Vegetation composition   Assessment of changes in the state of the rangelands of Inner Mongolia, China between 1998 and 2007 using remotely sensed data SCI/SSCI论文  OAI收割 2012 Hu Z. M.; Li S. G.; Dong J. W.; Fan J. W. 收藏  |  浏览/下载：33/0  |  提交时间：2012/09/04 aboveground net primary productivity  Inner Mongolia  land degradation  precipitation-use efficiency  temperate grasslands  vegetation  restoration  precipitation-use efficiency  rain-use efficiency  primary productivity  united-states  ndvi data  grassland  degradation  dynamics  gradient  restoration   Adaptive Wiener filtering with Gaussian fitted point spread function in image restoration (EI CONFERENCE) 会议论文  OAI收割 2011 IEEE 2nd International Conference on Software Engineering and Service Science, ICSESS 2011, July 15, 2011 - July 17, 2011, Beijing, China 作者:  Yang L.;  Zhang X.;  Zhang X.;  Zhang X.;  Yang L. 收藏  |  浏览/下载：41/0  |  提交时间：2013/03/25 In the imaging process of the space remote sensing camera  there was degradation phenomenon in the acquired images. In order to reduce the image blur caused by the degradation  the remote sensing images were restored to give prominence to the characteristic objects in the images. First  the frequency-domain notch filter was adopted to remove strip noises in the images. Then using the ground characters with the knife-edge shape in the images  the point spread function of the imaging system was estimated. In order to improve the accuracy  the estimated point spread function was corrected with Gaussian fitting method. Finally  the images were restored using the adaptive Wiener filtering with the fitted point spread function. Experimental results of the real remote sensing images showed that almost all strip noises in the images were eliminated. After the denoised images were restored  its variance and its gray mean gradient increased  also its laplacian gradient increased. Restoration with Gaussian fitted point spread function is beneficial to interpreting and analyzing the remote sensing images. After restoration  the blur phenomenon of the images is reduced. The characters are highlighted  and the visual effect of the images is clearer. 2011 IEEE.   Remote sensing image restoration using estimated point spread function (EI CONFERENCE) 会议论文  OAI收割 2010 International Conference on Information, Networking and Automation, ICINA 2010, October 17, 2010 - October 19, 2010, Kunming, China 作者:  Yang L.;  Yang L. 收藏  |  浏览/下载：31/0  |  提交时间：2013/03/25 In order to reduce image blur caused by the degradation phenomenon in the imaging process  the acquired images of the space remote sensing camera are restored. First  the frequency-domain notch filter is adopted to remove strip noises in the images. Then degradation function  which is referred to as the point spread function (PSF) of the imaging system is estimated using the knife-edge method. To improve the accuracy of the estimation  the estimated PSF is adjusted with Gaussian fitting. Finally  the images are restored by Wiener filtering with the fitted PSF. The restoration results of the remote sensing images show that almost all strip noises are eliminated by the notch filter. After denoising and restoration  the variance of the remote sensing image worked with in this paper increases 30.979 and the gray mean gradient increases 3.312. Due to Gaussian fitting  the accuracy of the PSF estimation is heightened. Image restoration with the final PSF is benefit to interpreting and analyzing the remote sensing images. After restoration  the contrasts of the restored images are increased and the visual effects become clearer. 2010 IEEE.