Results 281 to 290 of about 215,325 (316)

Hyperbranched Interpenetrating Hydrogen Bond Network (HIHBN) Proton Exchange Membrane for Fuel Cells Above 220 °C

Advanced Functional Materials, EarlyView.
A novel polymer electrolyte membrane with a hyperbranched interpenetrating hydrogen bond network structure is developed. The unique structure of the hyperbranched polymer contributes to a high glass transition temperature exceeding 400 °C, enabling its operation at elevated temperatures for fuel cell applications.
Lingping Zeng, Dehua Dong, Jun Lu, Kaiqiang He, Xiangcheng Liu, Jianchuan Wang, Zidong Wei, Matthieu Gresil, Julian Ratcliffe, Zhikao Li, Huanting Wang   +10 more
wiley   +1 more source

Electrical Impedance Tomography Monitoring of Salt Transportation in Cellulose Hydrogel for Solar‐Driven Evaporative Desalination via Laser Defined Wettability

Advanced Functional Materials, EarlyView.
Solar‐driven evaporation is a promising solution to the global water crisis; however, it faces a significant challenge of salt accumulation during the evaporation process. This study introduces an innovative in situ electrical impedance tomography technique for real‐time monitoring of salt transportation in the evaporator.
Yang Xu, Haosong Zhong, Xupeng Lu, Miao Tang, Siyu Chen, Cuiyun Yang, Yi Chen, Minseong Kim, Yang Liu, Mitch Guijun Li   +9 more
wiley   +1 more source

Small-angle neutron scattering of reactor-irradiated niobium

, 1977
S. Spooner, H. R. Child, F.W. Wiffen
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Small-angle scattering by dislocations

Acta Crystallographica Section A Foundations of Crystallography, 1999
It is shown that the small-angle scattering of X-rays or neutrons by dislocations within a deformed metal, which are partially ordered into wall-like structures, is characterized by several factors. Principally these are associated with: (i) a single dislocation or dipole; (ii) the dislocation configuration in the plane of the wall; and (iii) the ...
R Thomson, Lyle E. Levine, Gabrielle G. Long   +2 more
openaire   +3 more sources

Small-angle scattering of apoferritin in solution

Biochimica et Biophysica Acta (BBA) - Biophysics including Photosynthesis, 1966
Abstract Native, undried, crystalline apoferritin, prepared from ferritin, was studied in aqueous solution (0.173–4.65%) by the X-ray small-angle method. Fourier transformation of the intensity distribution of the scattering curve of the apoferritin showed a density distribution corresponding to a hollow sphere with r i ′ = 35.5 A and r a ′ = 62 ...
G. Rohns, G. Rohns, H. Wawra, H. Wawra, O. Kratky, Hans-Joachim Bielig   +5 more
openaire   +4 more sources

Anomalous small angle scattering

Quarterly Reviews of Biophysics, 1981
Isomorphous replacement methods have been revolutionary in macromolecular structure research. This has been most clearly demonstrated in protein crystallography. Specific binding of heavy atoms to protein molecules in the crystalline state provides the necessary reference for the phase determination of each Bragg reflexion and opens the way to the ...
openaire   +3 more sources

Small-Angle X-Ray Scattering [PDF]

Nature, 1952
THE large lattice spacings occurring in such organic matter as fibres or crystalline viruses give rise to X-ray diffraction patterns with Bragg angles of minutes of arc rather than of degrees. The neighbourhood of the direct beam is, however, for a variety of reasons, easily obscured by scattered radiation and insufficient collimation, so that special ...
W. Ehrenberg, A. Franks
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Biological Small Angle Scattering

2018
The technique of small angle solution scattering has been revolutionized in the last two decades. Exponential increases in computing power, parallel algorithm development, and the development of synchrotron, free-electron X-ray sources, and neutron sources, have combined to allow new classes of studies for biological specimens.
Thomas D. Grant, Eaton E. Lattman, Edward H. Snell   +2 more
openaire   +1 more source

Small-angle neutron scattering

2006
The use of small-angle neutron scattering (SANS) for the study of biological macromolecules is described. Topics covered in this chapter include: the theoretical basis of SANS; contrast variation; and the measurement of distances between chemically specified points in a macromolecule or macromolecular complex. Practical considerations are addressed and
D. M. Engelman, P. B. Moore
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Small angle scattering of electrons

Physics Letters A, 1973
Abstract The small angle scattering of low energy electrons has been studied. It has been shown that the cross-sections obtained using the Born's first approximation, corrected for screening effects should be used to study the small angle scattering of low energy electrons.
R. N. Singh, R. R. Rausaria, R.P. Singhal   +2 more
openaire   +2 more sources