scholarly journals Wet Surface Attachment: Micro–Nano Hierarchical Structure Enhanced Strong Wet Friction Surface Inspired by Tree Frogs (Adv. Sci. 20/2020)

2020 ◽  
Vol 7 (20) ◽  
pp. 2070116
Author(s):  
Liwen Zhang ◽  
Huawei Chen ◽  
Yurun Guo ◽  
Yan Wang ◽  
Yonggang Jiang ◽  
...  
Keyword(s):  
Hierarchical Structure ◽  
Friction Surface ◽  
Surface Attachment ◽  
Wet Friction ◽  
Tree Frogs ◽  
Wet Surface

scholarly journals Micro–Nano Hierarchical Structure Enhanced Strong Wet Friction Surface Inspired by Tree Frogs

2020 ◽  
Vol 7 (20) ◽  
pp. 2001125 ◽  
Author(s):  
Liwen Zhang ◽  
Huawei Chen ◽  
Yurun Guo ◽  
Yan Wang ◽  
Yonggang Jiang ◽  
...  
Keyword(s):  
Hierarchical Structure ◽  
Friction Surface ◽  
Wet Friction ◽  
Tree Frogs

Relationships between hierarchical structure and properties in macromolecular systems

1987 ◽  
Vol 45 ◽  
pp. 440-443
Author(s):  
E. Baer
Keyword(s):  
Uniaxial Tension ◽  
Hierarchical Structure ◽  
Inorganic Material ◽  
Hierarchical Structures ◽  
Bone Collagen ◽  
Structure And Properties ◽  
Connective Tissues ◽  
Scale Level ◽  
Fibrous Protein ◽  
Macromolecular Systems

The most advanced macromolecular materials are found in plants and animals, and certainly the connective tissues in mammals are amongst the most advanced macromolecular composites known to mankind. The efficient use of collagen, a fibrous protein, in the design of both soft and hard connective tissues is worthy of comment. Very crudely, in bone collagen serves as a highly efficient binder for the inorganic hydroxyappatite which stiffens the structure. The interactions between the organic fiber of collagen and the inorganic material seem to occur at the nano (scale) level of organization. Epitatic crystallization of the inorganic phase on the fibers has been reported to give a highly anisotropic, stress responsive, structure. Soft connective tissues also have sophisticated oriented hierarchical structures. The collagen fibers are “glued” together by a highly hydrated gel-like proteoglycan matrix. One of the simplest structures of this type is tendon which functions primarily in uniaxial tension as a reinforced elastomeric cable between muscle and bone.

Factor Structure of the Anxiety Sensitivity Profile: Evidence for a Hierarchical Structure

1999 ◽  
Author(s):  
Craig N. Sawchuk ◽  
David F. Tolin ◽  
Suzanne A. Meunier ◽  
Scott O. Lilienfeld ◽  
Jeffrey M. Lohr ◽  
...  
Keyword(s):  
Factor Structure ◽  
Hierarchical Structure ◽  
Anxiety Sensitivity ◽  
Sensitivity Profile

Hierarchical structure of personality problems

2014 ◽  
Author(s):  
Michael Joseph Boudreaux ◽  
Daniel Ozer
Keyword(s):  
Hierarchical Structure
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