Results 81 to 90 of about 979,001 (246)

Genotyping bovine leukemia virus in dairy cattle of Heilongjiang, northeastern China

open access: yesBMC Veterinary Research, 2019
Background Bovine leukemia virus (BLV) causes enzootic bovine leukosis in cattle and leads to heavy economic losses in the husbandry industry. Heilongjiang Province, China, is rich in dairy cattle. However, its current BLV epidemiology and genotypes have
Changqing Yu   +5 more
doaj   +1 more source

Decomposition and scenario analysis of agricultural carbon emissions in Heilongjiang, China [PDF]

open access: yesPeerJ
Background As a key agricultural region in China, Heilongjiang Province has experienced significant carbon emissions over the past few decades. To understand the underlying factors and future trends in these emissions, a comprehensive analysis was ...
Luyang Zhang   +3 more
doaj   +2 more sources

Multi-scale research of time and space differences about ecological footprint and ecological carrying capacity of the water resources

open access: yesApplied Water Science, 2018
A multi-scale assessment framework for assessing and comparing the water resource sustainability based on the ecological footprint (EF) is introduced. The study aims to manage the water resource from different views in Heilongjiang Province. First of all,
Jiahong Li   +6 more
doaj   +1 more source

Competitive Pressure on China: Factor Rewards Migration [PDF]

open access: yes
Our objective is to assess personal income under perfect competition, when factors are rewarded according to their productivities, and to contrast the ensuing distribution with the status quo.Competition will yield winners and losers, both in terms of ...
Pan, H., Raa, T. ten
core   +1 more source

Organic Trends 8 [PDF]

open access: yes, 2007
Newsletter on Organic agriculture and food development in ...
Sternfeld, Eva
core  

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]

open access: yes, 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
core   +1 more source

Analysis of core information awareness of chronic disease prevention and control and its influencing factors among adult residents in Heilongjiang province in 2021: an online survy

open access: yesZhongguo gonggong weisheng
ObjectiveTo understand the core information awareness of chronic disease prevention and control and its influencing factors among adult residents in Heilongjiang province, and to provide a reference for formulating chronic disease prevention and control ...
Yong ZHOU   +7 more
doaj   +1 more source

China Employment Law Update - February 2007 [PDF]

open access: yes, 2007
An update in ongoing developments regarding labor relations and employment in ...
Baker & McKenzie
core   +1 more source

A Fresh Scrutiny on Openness and Per Capita Income Spillovers in Chinese Cities: A Spatial Econometric Perspective [PDF]

open access: yes
This paper investigates openness and per capita income spillovers over 367 Chinese cities in the year 2004. Per capita income is modelled as dependent on investment, physical and social infrastructure, human capital, governmental policies and openness to
Sélin Ozyurt
core  

Outsourcing CO2 within China [PDF]

open access: yes, 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
core   +1 more source

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