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	Study on calculation model and risk area of radionuclide diffusion in coastal waters under nuclear leakage accidents with different levels 期刊论文 OAI收割 KERNTECHNIK, 2023, 页码: 12 作者: Li, Zichao; Chen, Rongchang; Zhou, Tao; Liu, Chen; Si, Guangcheng \| 收藏 \| 浏览/下载：11/0 \| 提交时间：2023/12/13 calculation model different levels nuclear leakage accidents radionuclide diffusion risk area
	联网激光雷达的观测性能综合平行比对期刊论文 OAI收割中国环境监测, 2020, 卷号: 36 作者: 雷山东; 杨婷; 柴文轩; 王自发; 唐桂刚 \| 收藏 \| 浏览/下载：28/0 \| 提交时间：2020/10/26 lidar extinction coefficient different air quality levels optical thickness PM_(2.5) 激光雷达消光系数不同空气质量等级光学厚度 PM_(2.5)
	碳氮稳定同位素比值在潮间带大型底栖动物组织间差异性研究期刊论文 OAI收割海洋学报, 2019, 卷号: 41, 期号: 4, 页码: 74-82 作者: 李宝泉 \| 收藏 \| 浏览/下载：26/0 \| 提交时间：2020/06/17 潮间带大型底栖动物碳氮稳定同位素食源和营养级分析采样部位选取 intertidal zone macrobenthos carbon and nitrogen stable isotopes food sources and trophic levels study,sampling parts The technique of stable isotope analysis has been widely applied for the field of food web studies in recent years.However,few researches concerned about the impacts of different tissues used for analysis on the food web building.With the purpose of accuracy and comparability in the food web studies,the sampling tissues should be standardized.In this study,10macrobenthic species from the intertidal zone of the Yellow River Delta and Yantai were chosen as the target object to test the isotopic characteristic variations ofdelta~(13)C anddelta15 N at different body parts (whole bodies,muscles and gills).Our results show thatdelta~(13)C anddelta15 N values vary in different sampling tissues for most species,which indicates the different tissues used for analysis impact the food web building.To achieve a more accuracy and comparability result,suitable tissue should be primarily chosen for their food sources and trophic levels analysis.Namely,when the organism as predator,their muscles should first be chosen,for examples,adductor and foot muscles of mollusks,leg muscles of crabs and back muscles of fishes when the organism as prey, most of their tissues,except for indigestible part(for polychaetes,the digestive tract contents should be removed) should be chosen for analysis on food sources and trophic levels of the secondary consumer,for example,whole soft parts of mollusks,the mixture of muscles and gills of crabs.
	Extracting sea-sky-line based on improved local complexity (EI CONFERENCE) 会议论文 OAI收割 2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China 作者: Zhang Y.-F. 收藏 \| 浏览/下载：23/0 \| 提交时间：2013/03/25 Sea-sky-line extraction under complicated sea-sky background is an important aspect of long-range target tracking research. An algorithm based on improved local complexity is proposed according to the feature that the sky and the sea usually show up at different gray levels in sea-sky background images. Median filter is applied first to remove peak noise and then the point set of sea-sky-line region which has the greatest change in image is obtained by calculating the local complexity of image and selecting a segmentation threshold. Finally Hough transform is used to extract the sea-sky-line. The experiment results indicate that this method can extract sea-sky-line under simple and complicated sea-sky backgrounds which is robust and can improve noise immunity of the algorithm. 2010 IEEE.