Results 71 to 80 of about 272,656 (304)

Airborne lidar observations of Arctic polar stratospheric clouds [PDF]

open access: yes, 1986
Polar stratospheric clouds (PSC's) have been detected repeatedly during Arctic and Antarctic winters since 1978/1979 by the SAM II (Stratospheric Aerosol Measurement II) instrument aboard the NIMBUS-7 satellite.
Kent, G. S., Poole, L. R.
core   +1 more source

Surface Engineering for Phase Change Heat Transfer: A Review [PDF]

open access: yes, 2014
Among numerous challenges to meet the rising global energy demand in a sustainable manner, improving phase change heat transfer has been at the forefront of engineering research for decades.
Attinger, Daniel   +7 more
core   +4 more sources

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

Multifactorial influence patterns and resistance mechanisms of frost-jacking characteristics in conical piles

open access: yesYantu gongcheng xuebao
To investigate their evolution characteristics of frost-jacking behavior and their resistance mechanisms, a testing device for the anti-frost-jacking performance of conical piles is developed.
YANG Zhihao 1, CHENG Shi'ao 2, YUE Zurun 1, FENG Huaiping 2, ZHAO Dejie 3, MA Deliang 1, LI Tonghai 4
doaj   +1 more source

Experimental Study on Effect of Fin Structure on Frosting Characteristics of Finned Tube Heat Exchangers

open access: yesZhileng xuebao, 2021
In this study, the surface temperature of the frost layer was measured using an infrared thermal imager and calibrated using direct measurements from a micrometer and thermocouple device.
Xie Fulin   +3 more
doaj  

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Perfectionism and performance in a new basketball training task: Does striving for perfection enhance or undermine performance? [PDF]

open access: yes, 2008
Objectives: In the psychology of sport and exercise, the question of how perfectionism affects performance is highly debated. While some researchers have identified perfectionism as a hallmark quality of elite athletes, others see perfectionism as a ...
Aiken   +43 more
core   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

The Impact of Climate Change on the Spatiotemporal Distribution of Early Frost in Maize Due to the Northeast Cold Vortex

open access: yesAtmosphere
Agro-meteorological disasters are a significant cause of crop yield reduction. Northeast China is a major base for commodity grain production and is also highly sensitive to climate change.
Zheng Chu   +6 more
doaj   +1 more source

Book Review: The Human Icon: A Comparative Study of Hindu and Orthodox Christian Beliefs [PDF]

open access: yes, 2018
Book review of The Human Icon: A Comparative Study of Hindu and Orthodox Christian Beliefs. By Christine Mangala Frost.
Monge, Rico G.
core   +2 more sources

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