Results 131 to 140 of about 13,512 (265)
Distribution and Concentration of Canadian Livestock [PDF]
Livestock Production/Industries,
Beaulieu, Martin S. +2 more
core +1 more source
Abstract While the return of wolves (Canis lupus) to many European countries is a conservation milestone, the negative impacts are unevenly distributed across society, placing high pressure on livestock grazing systems. For this perspective, scientists from diverse disciplines and geographical backgrounds reflect on the state of livestock–wolf ...
Emu‐Felicitas Ostermann‐Miyashita +11 more
wiley +1 more source
Research on the Permanent Magnet Synchronous Motor Drive Systemfor High-speed EMUs
To achieve high energy-efficiency of high-speed EMUs, PMSM traction system for high-speed EMUs was developedbased on CRH380A technical platform. Overall technical parameters, traction characteristic curve design, main circuit of traction system,main ...
Feng Jianghua
doaj
FACTORS AFFECTING PRODUCTION EFFICIENCY IN A NEW ALTERNATIVE ENTERPRISE: THE CASE OF THE RATITE INDUSTRY [PDF]
Technical efficiency measures are calculated for ratite producers using data envelopment analysis. Regression analysis is then used to determine producer characteristics that are likely to lead to higher technical efficiencies.
Gillespie, Jeffrey M. +2 more
core +1 more source
Abstract Volunteers have been involved in nature observations for decades through citizen science initiatives, providing large data sets as well as problem identification that allow a more complete understanding of many natural phenomena. Although communication is a core component in citizen science, the key factors that determine its effectiveness in ...
Kristiina Gibson +18 more
wiley +1 more source
Research on Development Trend of Intercity EMUs
This paper analyzed the role of national policies in promoting the development of intercity EMUs, systematically analyzed intercity, line, passenger flow and other factors, and put forward the top-level indicators and future development direction of ...
Yanhui QI, Changlong ZHAO
doaj
Point-of-Care Ultrasound-History, Current and Evolving Clinical Concepts in Emergency Medicine. [PDF]
Osterwalder J +2 more
europepmc +1 more source
Societal Impact Statement As herbaria digitize millions of plant specimens, ethnobotanical information associated with them is becoming increasingly accessible. These biocultural data include plant uses, names, and/or management practices of Indigenous Peoples and Local Communities (IPLCs).
Robbie Hart +23 more
wiley +1 more source
TGA16 Type IGBT Converter for High-speed Test EMUs
The main technical parameters, power circuit principle, structure and cooling system of the TGA16 type IGBT converter employed in the high-speed test EMUs were introduced, as well as the technical characteristics of the converter.
WENG Xing-fang, LIU Da, ZOU Dang-bing
doaj
Ionogels dynamically and functionally couple ionic liquids with polymer networks, enabling multiscale programmable deformation and motion under electrical, magnetic, optical, thermal, humidity, and chemical stimuli. This article systematically elucidates the constituent components, structural design, and multiscale actuation mechanisms of ionogel ...
Dezhou Cao +5 more
wiley +1 more source

