Results 121 to 130 of about 320,247 (166)

黑龙江水系(中国)秋大麻哈鱼回归群体变动分析

, 2010
2008年分别对在禁渔期前(9月10日-9月30日)和禁渔期间(10月1日-10月20日)溯河至乌苏里江和在禁渔期前溯河至黑龙江(中国)的大麻哈鱼(Oncorhynchus keta)群体结构和数量进行了调查。调查表明黑龙江中大麻哈鱼年龄由4、5、6龄组成,而乌苏里江中大麻哈鱼由3、4、5龄组成。在禁渔期前溯河至黑龙江(中国)的大麻哈鱼以低龄小个体为主;在禁渔期前溯河至乌苏里江的大麻哈鱼主要以4龄中等个体为主,而在禁渔期溯河至乌苏里江的大麻哈鱼以低龄小个体为主。因此现行的禁渔政策是不科学的 ...
徐凤龙, 马波, 霍堂斌, 唐富江, 姜作发, 刘伟   +5 more
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江苏盐城滨海湿地外来种互花米草的时空动态及景观格局

, 2009
基于1992—2007年的遥感影像和野外调查数据,在地理信息系统的支持下,应用景观生态学理论和转移矩阵方法,定量分析了江苏盐城滨海湿地外来种互花米草的时空动态及其景观格局的演变规律.结果表明:研究区互花米草面积由1992年的3561hm2上升至2007年的14491hm2,增幅达306.94%,累计转入和转出面积分别为26291和15361hm2;其中,江苏盐城国家级自然保护区核心区的互花米草面积由1992年的597hm2增长到2007年的2814hm2,年增幅达24.74%.研究期间 ...
王会, 张树清, 刘春悦, 江红星
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Functional exercise, fear of recurrence, and sleep quality: a longitudinal path analysis of quality of life in postoperative breast cancer patients. [PDF]

Front Oncol
Fei Y, Liu F, Ding X, Tang J, Ye X, Zhou T, Xu H.   +6 more
europepmc   +1 more source

清代中后期江苏四季降水变化与极端降水异常事件

, 2005
根据清代雨雪档案记载,重建了1736~1908年江苏6个府的逐季降水等级序列。分析发现:(1)1750s、1790s、1830s、1840s及1880s等5个年代江苏全省春、夏多雨,1770s、1780s、1810s及1870s等年代则春、夏少雨;秋季降水1750s、1840s、1850s及1860s等4个年代通省偏多,1770s、1810s及1890s等则偏少;冬季降水1830s、1840s及1890s等3个年代通省偏多;1820s、1850s及1870s等3个年代降水偏少。(2)1755年 ...
赵会霞, 郑景云
core  

[Expert consensus on the management of off-label use of novel antineoplastic agents]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Pharmaceutical Management Professional Committee of Zhejiang Provincial Hospital Association, Zhejiang Quality Control Center for Hospital Drug Affairs, Clinical Pharmaceutical Management Professional Committee of Shanghai Hospital Association, Hospital Pharmaceutical Management Professional Committee of Jiangsu Provincial Hospital Association, Pharmaceutical Management Professional Committee of Anhui Provincial Hospital Association.   +4 more
europepmc   +1 more source

[Development and validation of a multicenter nomogram predicting the risk of liver metastasis after curative resection of colorectal cancer]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Wang N, Yuan D, Zhu Y, Ding L.
europepmc   +1 more source

扬州港与古代船舶

, 1984
周世德
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[Guangdong consensus on integrated Chinese and Western medicine management of prolonged disorders of consciousness]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Neurocritical Care Committee of Guangdong Provincial Association of Chinese Medicine.
europepmc   +1 more source

[A prediction model for refractory pneumonia in children based on early lung ultrasound findings]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zhang LL, Sun XH, Liu XY, Wu HY, Wu NN, Liu HP, Shi XH, Jin CB.   +7 more
europepmc   +1 more source

[Epstein-Barr virus-positive nodal T/NK-cell lymphoma presenting with hemophagocytic lymphohistiocytosis: a case report and literature review]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Qiu JY, Liu YP, Mi HL, Yang YL, Liang F, Fang HZ, Jia XT, Li JY, Miao Y.   +8 more
europepmc   +1 more source