Results 71 to 80 of about 757,499 (315)

Tourism trends among Generation Y in Poland

open access: yesTourism, 2013
On the basis of empirical studies and available sources, the author presents tourism as undertaken by young Poles from Generation Y, with reference to demographic, and above all generational changes.
Joanna Kowalczyk-Anioł
doaj   +1 more source

Scattering in plane-wave backgrounds: infra-red effects and pole structure

open access: yes, 2012
We consider two aspects of scattering in strong plane wave backgrounds. First, we show that the infra-red divergences in elastic scattering depend on the structure of the background, but can be removed using the usual Bloch-Nordsieck approach. Second, we
Ilderton, Anton, Torgrimsson, Greger
core   +1 more source

C2α‐carbanion‐protonating glutamate discloses tradeoffs between substrate accommodation and reaction rate in actinobacterial 2‐hydroxyacyl‐CoA lyase

open access: yesFEBS Open Bio, EarlyView.
Enzymes of the 2‐hydroxyacyl‐CoA lyase group catalyze the condensation of formyl‐CoA with aldehydes or ketones. Thus, by structural adaptation of active sites, practically any pharmaceutically and industrially important 2‐hydroxyacid could be biotechnologically synthesized. Combining crystal structure analysis, active site mutations and kinetic assays,
Michael Zahn   +4 more
wiley   +1 more source

Everyday Life of Volyn Jews in the Interwar Period (According to the Holocaust Memorial Museum in the USA)

open access: yesVìsnik - Kiïvsʹkij nacìonalʹnij unìversitet ìmenì Tarasa Ševčenka: Ìstorìâ, 2020
The interview is an important historical source of studying the problematic issues of the history of Ukraine in the XX century. The interview has a lot of factual materials, interpretations, impressions, observations, and development of the interviewees ...
A. Bryzhuk
doaj   +1 more source

More on closed string induced higher derivative interactions on D-branes

open access: yes, 2012
In our continued efforts of matching full string computations with the corresponding effective field theory computations, we evaluate string theory correlators in closed forms.
Hatefi, Ehsan, Park, I. Y.
core   +1 more source

Chameleon sequences reveal structural effects in proteins representing micelle‐like distribution of hydrophobicity

open access: yesFEBS Open Bio, EarlyView.
Amino acids sequence of two different proteins with the same sequence (chameleon sequence—black boxes) represent in 3D structure of the proteins different secondary structures: HHHH—helical and BBB—Beta‐structural. The chains folded in water environment adopt different III‐order structures in which the chameleon fragments appear to adopt similar status
Irena Roterman   +4 more
wiley   +1 more source

Exon 7 splicing of ERα predicts poor prognosis and increases phenotypic heterogeneity in luminal a subtype breast cancer

open access: yesFEBS Open Bio, EarlyView.
ERα splice variant ERα∆7 lacks the C‐terminus, and its expression may change phenotypes of breast cancers. Our results showed that ERα∆7 is found in the luminal A subtype, and elevated ERα∆7 levels are linked to improved cell survival with lower proliferation and migration.
Long Wai Tsui   +10 more
wiley   +1 more source

Mechanical Properties of Finger-Jointed Wood from Composite Utility Poles Made of Small Diameter Timber

open access: yesDrvna Industrija, 2016
Engineering small diameter timber into structural members may provide an efficient way to utilize low-value material obtained after forest thinning operations.
Cheng Piao, Todd Shupe
doaj   +1 more source

Poles apart [PDF]

open access: yes
Economics
Aaron Steelman
core  

Computer program provides linear sampled- data analysis for high order systems [PDF]

open access: yes, 1967
Computer program performs transformations in the order S-to W-to Z to allow arithmetic to be completed in the W-plane. The method is based on a direct transformation from the S-plane to the W-plane.
Bunn, D. B., Kimball, R. B.
core   +1 more source

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