نتایج جستجو برای: china

تعداد نتایج: 198286  

Journal: :iranian journal of public health 0
tao tian college of economics and management, anhui agricultural university, china. yuhuai chen college of humanities and social sciences, anhui agricultural university, china. jing zhu college of economics and management, anhui agricultural university, china. pengling liu college of economics and management, anhui agricultural university, china.

background : china has become an aging society, and the mental health problem of the elderly is increasingly becom-ing prominent. this paper aimed to analyze the effect of air pollution and rural-urban difference on mental health of the elderly in china. methods : using the data from the china health and retirement longitudinal survey (charls, 2013), after control-ling the social demography var...

Internet Addiction Among Cyberkids in China: Risk Factors and Intervention Strategies by Qiaolei Jiang, 2019, Singapore: Springer, 199 pp., €84.99(h/c), ISBN 978-981-13-3791-8

In December 2019, cases of pneumonia were reported in China due to a new coronavirus. On March 11, 2020, the World Health Organization (WHO) announced this disease as a pandemic, provoked global anxiety.

With the conquest of China and Iran by the Mongols, the influence of Chinese styles and methods appeared in all the visual arts, including the patterns of fabrics. These designs were also used on the clothes of those in power, which was of special importance in different periods and was considered a royal emblem. Mandarin square is one of the royal symbols. This Chinese royal emblem was also us...

N. Yin, X. Lu, Y. Li,

Background: The activity concentrations of 226Ra, 232Th and 40K in sand used as building material in Weifang of China were investigated for evaluating the radiation hazard. Materials and Methods: Sand samples were collected from Weifang and their radioactivity levels were measured using gamma-ray spectrometry. The radiation hazard for residents was assessed by radium equivalent activity (Raeq),...

This study was conducted to determine a disease outbreak in 14 day old post-larvae of abalone (Haliotis diversicolor supertexta) which caused mass mortality in July 2010 in Shanwei, China. Twenty-nine bacterial strains were isolated from a sample pool of 10 diseased post-larval abalones on 2216E marine agar plates during a natural outbreak of the disease. Among them, a dominant isolate (referre...

Duck beak atrophy and dwarfism syndrome (BADS) is a newly emerged disease in China since 2015. In October 2017, an unidentified disease occurred in Cherry Valley ducks, Chongqing municipality, the southwest of China. The affected birds showed short beak and growth retardation clinical signs. The disease caused approximately 20.00% morbidity and serious weight loss due to retarded growth. In ord...

C. L. Brown J. R. Huang T. B. Yang,

  Using a semi-balloon otter trawl, crab fisheries in the main bays of Guangdong Province, China, were carried out seasonally . A total of 70 species were found, all belonging to the South China Sea Faunal sub region in the tropical India-West-Pacific Faunal Region. The clustering and nMDS ordination analysis revealed the existence of three groups. Group 1 included Hailing Bay and four bays to ...

China has been moving out from its country into other countries in the world, including Malaysia, with some positive and negative news. We are to examine the impact of China’s investment on our employment, price level and productivity as well as sectoral stock market performances: consumer products and services; construction and industrial sectors. The causality analyses on quarterly data from ...

C. L. Brown , J. R. Huang, T. B. Yang ,

  Using a semi-balloon otter trawl, crab fisheries in the main bays of Guangdong Province, China, were carried out seasonally . A total of 70 species were found, all belonging to the South China Sea Faunal sub region in the tropical India-West-Pacific Faunal Region. The clustering and nMDS ordination analysis revealed the existence of three groups. Group 1 included Hailing Bay and four bays to ...

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