Results 11 to 20 of about 47,307 (299)
History of demographic development of the Chinese province of Heilongjiang (1970–2020)
Вестник Самарского университета: История, педагогика, филология, 2023 The article presents the history of the demographic development of one of the Chinese northeastern provinces. Various processes of socio-political, trade, economic, foreign policy and spatial-regional transformations of the PRC in the second half of the ...
S. B. Makeeva
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Agronomy, 2021 Wild soybean germplasm is distributed widely in China, particularly in Heilongjiang Province. In this study, 242 wild soybean accessions from four agricultural divisions in Heilongjiang Province were evaluated based on six qualitative and eight ...
Wei Li +10 more
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Research on Forest Ecological Benefit Compensation System of Heilongjiang in China [PDF]
E3S Web of Conferences, 2020 The forest ecological function zone in Heilongjiang Province is an important barrier for maintaining ecological security in my country. Its forest ecological environment has great influence on the sustainable development of regional economy and society ...
Jiang Fan
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Agriculture, 2023 As one of the major new agricultural business entities, agricultural leading enterprises (ALEs) are responsible for ensuring national food security, leading agricultural and rural modernization, and increasing farmers’ employment prospects and incomes ...
Tianli Wang, Yanji Ma, Siqi Luo
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Agronomy, 2023 Precipitation unevenness significantly influences the rational allocation of water resources and the management of agricultural irrigation. Based on precipitation data from 29 meteorological stations in Heilongjiang Province, China, from 1961 to 2020 ...
Fanxiang Meng +7 more
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A Comparison of Reform-Era Labor Force Participation Rates of China’s Ethnic Minorities and Han Majority [PDF]
, 2005 Previous research suggests that minorities are not faring well in China’s transition—both income and occupational attainment gaps are widening. We are particularly interested in whether the differences in majority and minority economic outcomes are the ...
Hughes, James W. +2 more
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Investigation and Research on the Status Quo of Open Access Resources Construction of University Libraries in Heilongjiang Province [PDF]
Nongye tushu qingbao xuebao, 2020 [Purpose/Significance] The aim is to analyze the current situation of open access (OA) resources construction in Heilongjiang university libraries, so as to understand the overall level of OA resources construction in the region, find out the existing ...
ZHANG Meng, ZHAO Zichen, LIU Chunyan
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Suitability Evaluation of Urban Kangyang in Heilongjiang Province [PDF]
E3S Web of Conferences, 2021 With the change of the elderly’s demand for pension, Kangyang has become a new way of providing for the aged. In order to study the suitability of Kangyang various cities in Heilongjiang Province, based on the relevant scholars’ research on different types of Kangyang, the basic framework of evaluation system was established by combing the four ...
Wang Wei, Pei Chuanwang
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Outsourcing CO2 within China [PDF]
, 2013 Recent studies have shown that the high standard of living enjoyed by people in the richest countries often comes at the expense of CO2 emissions produced with technologies of low efficiency in less affluent, developing countries.
D. Guan +10 more
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Sinorhizobium fredii Strains HH103 and NGR234 Form Nitrogen Fixing Nodules With Diverse Wild Soybeans (Glycine soja) From Central China but Are Ineffective on Northern China Accessions [PDF]
, 2018 Sinorhizobium fredii indigenous populations are prevalent in provinces of Central China whereas Bradyrhizobium species (Bradyrhizobium japonicum, B. diazoefficiens, B. elkanii, and others) are more abundant in northern and southern provinces.
Acosta Jurado, Sebastián +8 more
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