Zobrazeno 1 - 10
of 3 693
pro vyhledávání: '"W-H Li"'
Autor:
W. H. Li, A. C. Bartnik, A. Fukasawa, M. Kaemingk, G. Lawler, N. Majernik, J. B. Rosenzweig, J. M. Maxson
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 8, p 084401 (2024)
Achieving maximum electron beam brightness in photoinjectors requires detailed control of the 3D bunch shape and precise tuning of the beam focusing. Even in state-of-the-art designs, slice emittance growth due to nonlinear space charge forces and pa
Externí odkaz:
https://doaj.org/article/3413cd8589c6472a87256a5e61ae2318
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-18 (2021)
CAPPs are putative Primase-Polymerases associated with CRISPR-Cas operons. Here, the authors show CAPPs genetic and physical association with Cas1 and Cas2, their capacity to function as DNA-dependent DNA primases and DNA polymerases, and that Cas1-C
Externí odkaz:
https://doaj.org/article/efc9c689cc494105b57df2aab55a9b23
Publikováno v:
APL Materials, Vol 10, Iss 7, Pp 071109-071109-11 (2022)
Direct fabrication of electroactive shape memory polymer composites (eSMPCs) into complex non-planar geometries is highly desirable to enable remotely deployable, form-functional structures. However, traditional processes such as injection molding, c
Externí odkaz:
https://doaj.org/article/0c3fc829bc12445f8972560fe3e6bdf5
Autor:
W. H. Li, C. J. R. Duncan, M. B. Andorf, A. C. Bartnik, E. Bianco, L. Cultrera, A. Galdi, M. Gordon, M. Kaemingk, C. A. Pennington, L. F. Kourkoutis, I. V. Bazarov, J. M. Maxson
Publikováno v:
Structural Dynamics, Vol 9, Iss 2, Pp 024302-024302-11 (2022)
We report the design and performance of a time-resolved electron diffraction apparatus capable of producing intense bunches with simultaneously single digit micrometer probe size, long coherence length, and 200 fs rms time resolution. We measure the
Externí odkaz:
https://doaj.org/article/6ac30e80a69740f683ef3067f15bdcb4
Publikováno v:
Nature Environment and Pollution Technology, Vol 19, Iss 3, Pp 1335-1342 (2020)
In the past 40 years after China adopted the reform and open-up policy, China’s expediting industries spatial agglomeration has resulted in severe damage to the environment. In China, the one whether the pollution haven hypothesis (PHH) is true or
Externí odkaz:
https://doaj.org/article/8f78694c29534b929e483cfcf65fb969
Autor:
M. Gordon, W. H. Li, M. B. Andorf, A. C. Bartnik, C. J. R. Duncan, M. Kaemingk, C. A. Pennington, I. V. Bazarov, Y.-K. Kim, J. M. Maxson
Publikováno v:
Physical Review Accelerators and Beams, Vol 25, Iss 8, p 084001 (2022)
Ultrafast electron diffraction (UED) is a technique in which short-pulse electron beams can probe the femtosecond-scale evolution of atomic structure in matter driven far from equilibrium. As an accelerator physics challenge, UED imposes stringent co
Externí odkaz:
https://doaj.org/article/47b5cff10e634d19b1a0f1b42b855f64
Publikováno v:
Russian Journal of Inorganic Chemistry. 67:2140-2147
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f220c3547f4ff48170501126ad10d71
https://doi.org/10.1134/s0036023622700097
https://doi.org/10.1134/s0036023622700097
Publikováno v:
Journal of Materials Engineering and Performance. 32:2298-2306
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::677447490e224c8928dad0545ceab267
https://doi.org/10.1007/s11665-022-07285-3
https://doi.org/10.1007/s11665-022-07285-3
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 10, Iss 5, Pp 1375-1386 (2017)
It is well known that the train nose shape has significant influence on the aerodynamic characteristics. This study explores the influence of four kinds of nose shapes (fusiform, flat-broad, bulge-broad, ellipsoidal) on the aerodynamic performance of
Externí odkaz:
https://doaj.org/article/42e181a2cfd6478d83eff5085187bf56
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