Structure versus variety in concrete representations of number

1991 ◽  
Author(s):  
Suk-Fong Tang ◽  
James W. Stigler
Keyword(s):  
Structure Versus ◽  
Concrete Representations

Weak-Tie Confidants

2017 ◽  
Author(s):  
Mario Luis Small
Keyword(s):  
Social Interaction ◽  
Graduate Students ◽  
Network Structure ◽  
Relative Importance ◽  
The Core ◽  
Structure Versus

This chapter examines the “core discussion networks” of graduate students in three departments and shows that, contrary to traditional expectations, many of the ties appear to be weak rather than strong. It considers how the students relate to those they have considered their confidants after six months, and more specifically whether they would as a whole report the same confidants. Three perspectives on the relative importance of network structure versus social interaction are discussed based on the students’ different experiences: the students will keep most confidants, they will drop many of their confidants, or they will drop many confidants but quickly replace them. In general, the students replaced their confidants often.

Topology Selectivity in On-Surface Dehydrogenative Coupling Reaction: Dendritic Structure versus Porous Graphene Nanoribbon

ACS Nano ◽  
2021 ◽  
Vol 15 (3) ◽  
pp. 4617-4626
Author(s):  
Jianmin Huang ◽  
Yu Pan ◽  
Tao Wang ◽  
Shengsheng Cui ◽  
Lin Feng ◽  
...  
Keyword(s):  
Dendritic Structure ◽  
Coupling Reaction ◽  
Graphene Nanoribbon ◽  
Porous Graphene ◽  
Dehydrogenative Coupling ◽  
Structure Versus

scholarly journals Structure versus function: Are new conformations of pannexin 1 yet to be resolved?

2021 ◽  
Vol 153 (5) ◽  
Author(s):  
Carsten Mim ◽  
Guy Perkins ◽  
Gerhard Dahl
Keyword(s):  
Structural Information ◽  
Purinergic Signaling ◽  
Atp Release ◽  
Strong Support ◽  
Decisive Role ◽  
Chloride Ions ◽  
Pannexin 1 ◽  
Selective Membrane ◽  
Selective Channel ◽  
Structure Versus

Pannexin 1 (Panx1) plays a decisive role in multiple physiological and pathological settings, including oxygen delivery to tissues, mucociliary clearance in airways, sepsis, neuropathic pain, and epilepsy. It is widely accepted that Panx1 exerts its role in the context of purinergic signaling by providing a transmembrane pathway for ATP. However, under certain conditions, Panx1 can also act as a highly selective membrane channel for chloride ions without ATP permeability. A recent flurry of publications has provided structural information about the Panx1 channel. However, while these structures are consistent with a chloride selective channel, none show a conformation with strong support for the ATP release function of Panx1. In this Viewpoint, we critically assess the existing evidence for the function and structure of the Panx1 channel and conclude that the structure corresponding to the ATP permeation pathway is yet to be determined. We also list a set of additional topics needing attention and propose ways to attain the large-pore, ATP-permeable conformation of the Panx1 channel.

scholarly journals Structure versus properties in High-temperature superconductors

1996 ◽  
Author(s):  
J.L. Smith ◽  
F Chou ◽  
S. Foltyn ◽  
P.C. Hammel ◽  
M. Hawley ◽  
...  
Keyword(s):  
High Temperature ◽  
High Temperature Superconductors ◽  
Structure Versus

Body structure versus body function in haemophilia: the case of haemophilic ankle arthropathy

Haemophilia ◽  
2011 ◽  
Vol 17 (3) ◽  
pp. 508-515 ◽  
Author(s):  
S. LOBET ◽  
C. HERMANS ◽  
G. PASTA ◽  
C. DETREMBLEUR
Keyword(s):  
Body Structure ◽  
Body Function ◽  
Structure Versus

Orange You Glad I DID Say “Fraction Division”?

2013 ◽  
Vol 19 (5) ◽  
pp. 288-293
Author(s):  
Alfinio Flores ◽  
Melina D. Priewe
Keyword(s):  
Fraction Division ◽  
Concrete Representations

Students explore multiplicative comparisons and the meaning of remainders using their own concrete representations, including orange wedges.

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