Zobrazeno 1 - 10
of 189
pro vyhledávání: '"Ji Qin Ni"'
Autor:
Ji-Qin Ni
Publikováno v:
Animals, Vol 14, Iss 22, p 3339 (2024)
Determining ventilation rates in commercial animal buildings has been technically challenging. This study aimed to develop an innovative method and a ventilation model and provide new insights into animal building ventilation. A layer house with 46 f
Externí odkaz:
https://doaj.org/article/61d00ed0631a4df59c10d05d1112ed6f
Autor:
Sarah E. Daly, Ji‐Qin Ni
Publikováno v:
GCB Bioenergy, Vol 15, Iss 10, Pp 1273-1286 (2023)
Abstract Hydrogen sulfide (H2S) is the most undesirable inorganic gas in biogas from anaerobic digestion (AD). However, H2S production in AD is complex and understanding of its processes is still limited. This study performed six controlled batch ana
Externí odkaz:
https://doaj.org/article/9aabdc51b996462fa31efb5cc0bb85a9
Publikováno v:
Animals, Vol 12, Iss 7, p 867 (2022)
Appropriate microclimate conditions in broiler housing are critical for optimizing poultry production and ensuring the health and welfare of the birds. In this study, spatial variabilities of the microclimate in summer and winter seasons in a mechani
Externí odkaz:
https://doaj.org/article/0b89f5a5b73c4345b0be19a372c0c9e4
Publikováno v:
Environment International, Vol 131, Iss , Pp - (2019)
Antibiotic use and ammonia (NH3) emissions during animal production are two environmental issues of worldwide concern. However, the role of antibiotics on NH3 emissions is still unknown. This study evaluated the effects of rearing pigs without antibi
Externí odkaz:
https://doaj.org/article/42745349d0b54e6ebefca1509b1f6c6b
Publikováno v:
Energies, Vol 12, Iss 19, p 3700 (2019)
Corn stover is an abundant raw material that can be used to produce ethanol and reduce air pollution. This paper studied the potential reductions in greenhouse gas (GHG) and fine particulate matter (PM2.5) emissions across China if corn stover was us
Externí odkaz:
https://doaj.org/article/286f40cbb520474bb46a459513fdb968
Publikováno v:
Journal of Hazardous Materials. 453:131365
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d929daa838cf985309459f317ffeaeea
https://doi.org/10.1016/j.jhazmat.2023.131365
https://doi.org/10.1016/j.jhazmat.2023.131365
Autor:
Roderick Manuzon, Ji-Qin Ni, Lingying Zhao, Albert J. Heber, Reyna M. Knight, Xinjie Tong, Matthew J. Darr
Publikováno v:
Transactions of the ASABE. 64:829-841
HighlightsAnnual average PM10 (daily) and PM2.5 (hourly) concentrations of 509 ±203 and 43.3 ±36.1 µg m-3, respectively.Significant seasonal and diurnal variations in PM concentrations; higher in colder seasons and during daytime.Annual average PM
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ba658326af51b7efe7db6fa525f2fde
https://doi.org/10.13031/trans.14337
https://doi.org/10.13031/trans.14337
Autor:
Xinjie Tong, Lingying Zhao, Roderick B. Manuzon, Matthew J Darr, Reyna M Knight, Chaoyuan Wang, Albert J Heber, Ji Qin Ni
Publikováno v:
Transactions of the ASABE. 64:2073-2087
HighlightsAnnual average NH3 concentrations in two retrofitted manure-belt layer houses were 4.0 ±3.3 and 5.2 ±3.0 ppmv.Seasonal and diurnal variations were observed for NH3 concentrations (higher in colder seasons and early morning).Annual average
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5db742d1f6fd92cf1b14da8b4b7f01f4
https://doi.org/10.13031/trans.14634
https://doi.org/10.13031/trans.14634
Publikováno v:
Journal of Agricultural Safety and Health. 27:105-122
HighlightsA total of 133 cases were documented in a seven-state region, with Iowa reporting 43% of the cases and asphyxiations accounting for 42% of all cases.Most victims were male (>79%) with an average age of 38 years.The overall fatality rate was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dfd8e24216f4f20692af4cea222f06e
https://doi.org/10.13031/jash.14343
https://doi.org/10.13031/jash.14343
Publikováno v:
Biosystems Engineering. 196:67-87
Poultry production significantly contributes to atmospheric ammonia (NH3) emissions, causing concerns over their environmental impacts and the effects on human and bird health inside the poultry houses. A model is needed to estimate NH3 emissions fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9003d4173de108f5a9d10ec178e7cf6e
https://doi.org/10.1016/j.biosystemseng.2020.05.008
https://doi.org/10.1016/j.biosystemseng.2020.05.008