Results 241 to 250 of about 159,848 (314)

Droughts and human impact in the ancient Uaymil region of the Maya lowlands inferred from a 2800‐year sedimentary archive at Lake Kaná, Mexico

Boreas, EarlyView.
The relationship between the climate and societal transformation in Maya lowlands has long been debated, particularly the role of drought in shaping the civilization trajectory during the Classic Period. A high‐resolution, multi‐proxy, geochemical record from Lake Kaná, located in the underexplored Uaymil region of the Yucatán Peninsula in Mexico ...
Haydar B. Martinez‐Dyrzo, Priyadarsi D. Roy, Benjamin Gwinneth, Irma G. Vargas‐Martinez, Alejandro A. Aragon‐Moreno, Roger Medina‐Gonzales   +5 more
wiley   +1 more source

A dynamic simulation approach to optimize thrust regulation in electric pump-fed rocket engines. [PDF]

Sci Rep
Li T, He H, Yu N, Sun X, Cai G.
europepmc   +1 more source

Influence of carbon free gaseous ammonia induction on combustion, performance and emissions in an agricultural diesel engine operated on dual fuel mode. [PDF]

Sci Rep
Khayum N, Suraya S, Nandakishora Y, Shaik JH, Barik D, Dennison MS, Dinesh A, Rajendran S.   +7 more
europepmc   +1 more source

3D printed rocket combustion chamber

Metal Powder Report, 2019
openaire   +1 more source

On field assessment of tractor performance and emission fueled by blends of ethanol and waste cooking oil methyl ester. [PDF]

Sci Rep
Shayei A, Shahgholi G, Ardabili S, Keyhandoust MA.   +3 more
europepmc   +1 more source

Evaluation of MWCNTs as Nanoadditives in a Propanol-Biodiesel-Diesel Mixture on Compression Ignition Engine Characteristics. [PDF]

ACS Omega
Çelebi Y, Cengiz M, Aydın A, Gómez A, García-Contreras R.   +4 more
europepmc   +1 more source

Experimental Study and Mechanism Analysis on the Inhibitory Effect of Inhibitors on Coal Spontaneous Combustion under Long-Term Freezing Conditions. [PDF]

ACS Omega
Zhang X, Hu Y, Huang G, Gui Y, Liang H, Yu C, Lu B.   +6 more
europepmc   +1 more source

REVIEW ON COMBUSTION CHAMBER SWIRLERS

International Journal of Advance Engineering and Research Development, 2015
openaire   +1 more source