نتایج جستجو برای: north to southern china

تعداد نتایج: 10806616  

2016
Noel Ndihokubwayo Viet-Thang Nguyen Dandan Cheng

Invasive plants colonize new environments, become pests and cause biodiversity loss, economic loss and health damage. Senecio vulgaris L. (Common groundsel, Asteraceae), a widely distributing cosmopolitan weed in the temperate area, is reported with large populations in the north-eastern and south-western part, but not in southern, central, or north-western parts of China. We studied the germin...

2012
WANG YuXuan

Tropospheric ozone observations over China from 2005 to 2010 at three pressure levels (484, 681 and 825 hPa) from the Tropospheric Emission Spectrometer on board the NASA Aura satellite have been analyzed. Fourier Transform analysis revealed the trends and seasonality of regionally-averaged, monthly-mean ozone concentrations over western, northern and southern China. Significant increases in oz...

Journal: :iranian journal of allergy, asthma and immunology 0
nannan jiang department of allergy; peking :union: hospital; peking :union: medical college & chinese academy of medical science, china. jia yin department of allergy; peking :union: hospital; peking :union: medical college & chinese academy of medical science, china. philip mak department of biology, johns hopkins university, usa. liping wen department of allergy; peking :union: hospital; peking :union: medical college & chinese academy of medical science, china.

orchard workers in north china are highly exposed to orchard pollens, especially peach and other rosaceae family pollens during pollination season. the aim of this study was to investigate whether occupational allergy to peach tree pollen as a member of rosaceae family is ige-mediated and to evaluate the cross-reactivity among rosaceae family pollens. allergen skin test and conjunctival challen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1391

this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...

2009
WEN ZHOU JOHNNY C. L. CHAN Guy Carpenter WEN CHEN JIAN LING JOAQUIM G. PINTO YAPING SHAO

In January 2008, central and southern China experienced persistent low temperatures, freezing rain, and snow. The large-scale conditions associated with the occurrence and development of these snowstorms are examined in order to identify the key synoptic controls leading to this event. Three main factors are identified: 1) the persistent blocking high over Siberia, which remained quasi-stationa...

2017
Céline Mahfouz Tarik Meziane Françoise Henry Carine Abi-Ghanem Jérôme Spitz Thierry Jauniaux Thibaut Bouveroux Gaby Khalaf Rachid Amara

Over the past decade, the distribution of harbour porpoises Phocoena phocoena has undergone a southward shift in the North Sea, which has led to an increase in the number of stranded porpoises in its southern part. Since the changes in distribution and relative abundance of porpoises may be linked to the changes in prey availability, the aim of the present work was to investigate whether any ch...

2016
Zhitao Feng Juan Xu Guochao He Meiqun Cao Lihong Duan Liguo Chen Zhengzhi Wu Agnieszka Najda

1Postdoctoral Workstation of Chinese and Western Integrative Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China 2The Futian Affiliated Hospital of Guangdong Medical Institute, Shenzhen, Guangdong, China 3The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, China 4Shenzhen Institute of Geriatrics, Shenzhen, Guangdong, China 5Department of Rheumatolo...

2008
W. Lin

Regional ozone pollution has become one of the top environmental concerns in China, especially in those economically vibrant and densely populated regions, such as North China region including Beijing. To address this issue, surface ozone and ancillary data over the period 2004–2006 from the Shangdianzi Regional Background Station 5 in north China were analyzed. Due to the suitable location and...

2017
Jihong Huang Keping Ma Jianhua Huang

Based on a great number of literatures, we established the database about the Chinese endemic seed plants and analyzed the compositions, growth form, distribution and angiosperm original families of them within three big natural areas and seven natural regions. The results indicate that the above characters of Chinese endemic plants take on relative rule at the different geographical scales. Am...

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