Results 201 to 210 of about 7,274 (258)

Atomic-Level Structural Characteristics of β-Relaxation in Metallic Glasses. [PDF]

open access: yesAdv Sci (Weinh)
Xu T   +7 more
europepmc   +1 more source

Polyhedral Oligomeric Silsesquioxane Based Material for Tumor Heterogeneity MR Visualization and Precise Treatment

open access: yesSusMat, EarlyView.
ABSTRACT Malignant tumors whose mortality rates up to 97% possess high heterogeneity that leads to rapid growth, strong invasive capability, and low drug sensitivity. Quantitative magnetic resonance imaging enables direct visualization of tumors. However, gadolinium‐based contrast agents used in clinical practice have significant drawbacks of short ...
Xiaochuan Geng   +13 more
wiley   +1 more source

How Does the Replacement of Acetate Arms with Acetamide Ones in the Structure of Chelators Affect Complexation with Pb<sup>2<b>+</b></sup> ? [PDF]

open access: yesACS Omega
Zubenko AD   +8 more
europepmc   +1 more source

Strong crystalline thermal insulation induced by extended antibonding states. [PDF]

open access: yesNat Commun
Cheng R   +6 more
europepmc   +1 more source
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Polyhedron Models

Leonardo, 1974
Models of the regular and semi-regular polyhedral solids have fascinated people for centuries. The Greeks knew the simplest of them. Since then the range of figures has grown; 75 are known today and are called, more generally, 'uniform' polyhedra. The author describes simply and carefully how to make models of all the known uniform polyhedra and some ...
Arthur L. Loeb, Magnus J. Wenninger
openaire   +2 more sources

Polyhedrons and Quasi-polyhedrons

2015
In elementary geometry, a polyhedron (plural polyhedra or polyhedrons) is a body in three dimensions with flat faces, straight edges and sharp corners or vertices. The word “polyhedron” comes from the Classical Greek as poly- (“many”) and -hedron (form of “base” or “seat”).
S. N. Krivoshapko, V. N. Ivanov
openaire   +1 more source

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