Results 261 to 270 of about 319,839 (313)
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Validity and reproducibility of a FFQ for assessing dietary intake among residents of northeast China: northeast cohort study of China

British Journal of Nutrition, 2022
AbstractThe study was to evaluate the reproducibility and validity of the FFQ for residents of northeast China. A total of 131 participants completed two FFQ (FFQ1 and FFQ2) within a 3-month period, 125 participants completed 8-d weighed diet records (WDR) and 112 participants completed blood biomarker testing. Reproducibility was measured by comparing
Qi Cui   +8 more
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Weed Management in Northeast China

Weed Technology, 1997
Agricultural production in China occurs via three distinct organizational units: the countryside farmer, state farms, and military farms. The countryside farmer in northeast China carries out most production operations with hand tools, some animal and tractor power, and little additional mechanization.
Shao Q. Su, William H. Ahrens
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Ethnic Relations in Northeast China

European Journal of East Asian Studies, 2017
This article discusses the dynamic changes in ethnic relations that have taken place in the Joseonjok (Chaoxianju) community comprising minority Koreans residing in and around Yanbian, an autonomous prefecture in northeastern China, and discusses the implications of those changes for the region.
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Forest Vegetation of Northeast China

2003
We described the features of the horizontal regionalization and vertical zonation of the forest vegetation in Northeast China. Northeast China was horizontally divided into four vegetation regions: the cool temperate deciduous coniferous forest region, the temperate mixed evergreen coniferous-deciduous broad-leaved forest region, the warm temperate ...
Hong Qian, Xiao-Ying Yuan, Yi-Liang Chou
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Assessment of the sustainability of grain for Green in Northeast China

Proceedings. 2005 IEEE International Geoscience and Remote Sensing Symposium, 2005. IGARSS '05., 2005
Afforestation in China at the nation-scale has been promoted by the government since 1999 with the provision of subsidies to buy environmental amenities. The article concerned with the impact on local communities according to household survey data in Dunhua County, Northeast China.
Chunmei Wang   +4 more
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Nonylphenol in bivalves and sediments in the northeast coast of China

Journal of Environmental Sciences, 2010
To understand nonylphenol (NP) contamination in the northeast coastal environment in China, NP was determined in 19 sediment and 20 bivalve samples collected during November 2005. NP was identified in all sediment samples in the range of 8.8 to 1.0 x 10(3) ng/g dw (dry weight), with an average of 0.12 x 10(3) ng/g dw.
Juan, Wang   +4 more
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Risk factors for oesophageal cancer in northeast China

International Journal of Cancer, 1994
AbstractA hospital‐based case‐control study of oesophageal cancer was carried out in the Heilongjiang Province, a low‐risk area for oesophageal cancer in China. From May 1985 to May 1989, 196 histologically confirmed cases and 392 controls with other (non‐neoplastic) diseases were personally interviewed in the wards of 5 major hospitals.
Jinfu Hu   +15 more
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Northeast China – cradle of change

Journal of Technology Management in China, 2006
PurposeThe Northeast of the People's Republic of China is now termed the “rustbelt” of the country: there is a need to reform and restructure enterprises in the region. China's major industrialization is underway elsewhere, with factories located in coastal area and primarily oriented towards exports into global markets.
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Endangered bryophytes in Northeast China

Biological Conservation, 1992
Abstract Endangered bryophytes in Northeast China can be divided into three types according to different circumstances: (1) species described as new to science based on specimens collected in Northeast China which have lost or are losing their habitats in the original localities; (2) rare species threatened by rapid development of the economy and ...
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Northeast China: Waiting for Regionalism

Problems of Post-Communism, 1998
Northeast China is a swing region in a divided country. Its incorporation into Northeast Asia would give a strong boost to China’s entry into the global economy. Yet efforts to date have proved futile, and the Asian financial crisis has dimmed hopes for regionalism without a sharp shift in Chinese policy.
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