Results 81 to 90 of about 461,416 (208)

Fish Migration Through Ship Locks at the Danube River, Austria

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Longitudinal connectivity in the Austrian section of the Danube has improved over the last three decades thanks to the progressive installation of fish passage facilities at hydropower plants. However, navigation locks which are present at all barrages remain poorly quantified with respect to their role in fish migration.
Walter Reckendorfer   +5 more
wiley   +1 more source

Surface‐Functionalized Poly(2‐Oxazoline)‐Based Grids Produced by Two‐Photon Polymerization as 3D‐Structured Hydrogels Promoting Cell Adhesion

open access: yesSmall, EarlyView.
Sidechain‐functionalized poly(2‐oxazoline) cross‐linkers were utilized to print grids with varying mesh sizes by two‐photon polymerization (2PP grids). The amino‐functionalized hydrogels were subsequently used to covalently couple the RGD‐containing peptide sequence GCWRGDSP (RGD) to the amino groups in the side chains. In cell adhesion tests with L929
Tim Hoffmann   +11 more
wiley   +1 more source

How National Security Drives the Coevolution of International Relations and International Business Policy: Evidence From the Belt and Road Initiative

open access: yesThunderbird International Business Review, EarlyView.
ABSTRACT Focusing on the Belt and Road Initiative (BRI), this study investigates how national security drives the coevolution of China's political risk management support for multinationals and competing countries' reactions. A competing country is a nation‐state that is neither the home nor host country of a multinational but perceives the ...
Shuang Li, Xueli Huang, Fuming Jiang
wiley   +1 more source

Why Does Excess Cash Crowd Out Donations? The Role of Overhead Ratio and Fundraising Efforts

open access: yesBritish Journal of Management, EarlyView.
Abstract This study explores how excess cash holdings are associated with the level of donations nonprofit organizations (NPOs) receive, emphasizing the mediating roles of overhead ratio and fundraising efforts. Drawing on interdependent utility theory, agency theory, the precautionary motive of cash and resource dependence theory, we develop a ...
Teresa Elvira‐Lorilla   +3 more
wiley   +1 more source

LS algebras and application to Schubert varieties

open access: yes, 2000
In this paper we introduce LS algebras. We study their general properties and apply these results to Schubert varieties. Our main achievement is that any Schubert variety admits a flat deformation to a union of normal toric varieties.
Chirivi' R.
core  

Governing Singularities of Schubert Varieties

open access: yes, 2006
We present a combinatorial and computational commutative algebra methodology for studying singularities of Schubert varieties of flag manifolds. We define the combinatorial notion of *interval pattern avoidance*.
Yong, Alexander, Woo, Alexander
core   +1 more source

Relative height and vertical status in buildings

open access: yesReal Estate Economics, EarlyView.
Abstract Motivated by research that associates higher positioning with well‐being, we expand the vertical price‐gradient literature by estimating the value of within‐ and between‐building “vertical status”: one's relative vertical position compared to others in the same building and in neighboring buildings, respectively. Employing an extensive dataset
Danny Ben‐Shahar   +4 more
wiley   +1 more source

Projected Richardson varieties and affine Schubert varieties [PDF]

open access: yes, 2015
Let G be a complex quasi-simple algebraic group and G/P be a partial flag variety. The projections of Richardson varieties from the full flag variety form a stratification of G/P.
He, Xuhua, Lam, Thomas
core   +1 more source

Museomics Deciphers the Phylogeographic Differentiation and Conservation Status of a Montane Pheasant

open access: yesIntegrative Zoology, EarlyView.
Museum specimens provide a rich source of historical DNA, enabling insights into phylogenetic relationships and demographic history of the endangered Koklass Pheasant. Our findings uncovered a previously unrecognized population in Guizhou province and highlighted elevated extinction risk in populations from Anhui province and Southern China, informing ...
Zhiyong Jiang   +9 more
wiley   +1 more source

Association Characteristics and Potential Mechanisms of Aging, Gut Microbiota, and Hearing Loss

open access: yesIntegrative Zoology, EarlyView.
The study found that aging leads to unchanged gut microbiota alpha diversity but an increase in Bacteroidetes and a decrease in Firmicutes at the phylum level, with specific genera, species, and functional pathways co‐associated with aging and hearing loss. Through constructing a microbe‐metabolite network, it revealed the mechanism by which protective
Cheng Cheng   +7 more
wiley   +1 more source

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