Results 71 to 80 of about 1,680,496 (171)

Network Synthesis [PDF]

open access: yes, 1961
Contains reports on one research ...
Lee, H. B., Jr.
core  

Birefringent devices Final report, 8 Mar. 1966 - 8 Mar. 1967 [PDF]

open access: yes
Birefringent devices, lossless double-pass network synthesis, and electro-optical amplitude ...
Ammann, E. O., Yarborough, J. M.
core   +1 more source

Interannual variability of terrestrial net ecosystem productivity over China: regional contributions and climate attribution

open access: yesEnvironmental Research Letters, 2019
China’s terrestrial ecosystems play an important role in the global carbon cycle. Regional contributions to the interannual variation (IAV) of China’s terrestrial carbon sink and the attributions to climate variations are not well understood.
Li Zhang   +17 more
doaj   +1 more source

Phenology Response to Climatic Dynamic across China’s Grasslands from 1985 to 2010

open access: yesISPRS International Journal of Geo-Information, 2018
Because the dynamics of phenology in response to climate change may be diverse in different grasslands, quantifying how climate change influences plant growth in different grasslands across northern China should be particularly informative. In this study,
Jun Wang, Tiancai Zhou, Peihao Peng
doaj   +1 more source

Optimization in Telecommunication Networks [PDF]

open access: yes
Network design and network synthesis have been the classical optimization problems intelecommunication for a long time. In the recent past, there have been many technologicaldevelopments such as digitization of information, optical networks, internet ...
Hoesel,Stan,van
core   +1 more source

Ionic Liquid Catalysis in Cyclic Carbonate Synthesis for the Development of Soybean Oil-Based Non-Isocyanate Polyurethane Foams

open access: yesMolecules
A method for obtaining non-isocyanate polyurethane (NIPU) foams from cyclic carbonate (CC) based on soybean oil was developed. For this purpose, cyclic carbonate was synthesized from epoxidized soybean oil and CO2 using various ionic liquids (ILs) as ...
Damian Kiełkiewicz   +4 more
doaj   +1 more source

Evaluation of pitcher and bottle filters for reducing selected emerging contaminants in drinking water

open access: yesDesalination and Water Treatment
The presence of emerging contaminants (ECs) in drinking water poses significant risks to health and the environment. In this study, the importance of selecting an appropriate water purification filter was shown to enhance the efficacy of chemical ...
Magdalena Zarębska   +2 more
doaj   +1 more source

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