Results 111 to 120 of about 2,345,410 (327)

Multistage, Self‐Sensing Artificial Muscles With Coordination From Liquid Crystal Elastomer‐Graphene Composite Fibers

open access: yesAdvanced Functional Materials, EarlyView.
Inspired by skeletal muscles’ precision and endurance, CoilLCE integrates a self‐sensing liquid crystal elastomer/graphene artificial muscle with an embedded Joule‐heating copper coil, enabling closed‐loop multistage actuation with programmable intermediate states (strain accuracy of 2%), and antagonistic coordination (32% total strain). These features
Ziyun Zhang   +9 more
wiley   +1 more source

Evaluation of remote sensing techniques for estimation of forest variables at stand level [PDF]

open access: yes, 2006
There is a continuous need for accurate forest description. Forest data at stand level is required in forestry planning, in particular when scheduling treatments within the next few years.
Magnusson, Mattias
core   +1 more source

Comparison of Deep and Machine Learning Approaches for Quebec Tree Species Classification Using a Combination of Multispectral and LiDAR Data

open access: yesCanadian Journal of Remote Sensing
Accessing tree species information is required for making appropriate decisions in forest management. 3D photo-interpretation using high spatial resolution aerial imagery is used to provide information on tree species in the province of Quebec.
Omid Reisi Gahrouei   +4 more
doaj   +1 more source

Thermoresponsive Liquid Crystalline Polymer Coatings Programmed by Field‐Induced Topological Defects for Tunable Optical and Topographical Responses

open access: yesAdvanced Functional Materials, EarlyView.
Resonant standing waves generate large‐area lattices of liquid‐crystal topological defects that are permanently encoded into polymer coatings by photopolymerization. The preserved director architecture produces thermally reconfigurable surface topographies while maintaining programmable optical functionality, demonstrating a scalable strategy for ...
Jacques A. Peixoto   +6 more
wiley   +1 more source

Aerial photo index, Pontotoc County, OK, 1969. Section 4 of 4

open access: yes, 1969
Aerial photograph index (photomosaic), Pontotoc County, Oklahoma. MAP 4 of
United States Department of Agriculture, Agricultural Stabilization and Conservation Service
core  

Anisotropic Phonon Dynamics and Directional Transport in Actinide Van der Waals Semiconductor Uranium Triselenide

open access: yesAdvanced Functional Materials, EarlyView.
USe3 is introduced as an actinide van der Waals semiconductor that mirrors the quasi‐one‐dimensional physics of transition‐metal trichalcogenides. Polarization‐resolved Raman spectroscopy on exfoliated flakes maps strong in‐plane phonon anisotropy and strain‐tunable mode shifts.
Aljoscha Söll   +17 more
wiley   +1 more source

Aerial photo index, Johnston County, OK, 1968. Section 1 of 4

open access: yes, 1968
Aerial photograph index (photomosaic), Johnston County, Oklahoma. MAP 1 of
United States Department of Agriculture, Agricultural Stabilization and Conservation Service
core  

Nyack, New York Aerial Photographs

open access: yes, 1972
This is an aerial photograph from the NJ Department of Enivronmental Protection Aerial Photographs Collection showing Nyack located in Rockland County, New York.

core   +1 more source

ATP‐Mediated Bidirectional Communication Between Natural and Artificial Cells for Controlled Bioreactions

open access: yesAdvanced Functional Materials, EarlyView.
Establishment of bidirectional communication behavior between natural and artificial cells. The first type of communication from natural dendritic cells to artificial polymeric cells was achieved via ATP release after cell lysis. The released ATP was taken up via gated UV‐controlled permeability increase of the polymeric membrane for performing ...
Ilona Kalte   +6 more
wiley   +1 more source

Aerial photo index, Hughes County, OK, 1940. Section 2 of 4

open access: yes, 1940
Aerial photograph index (photomosaic), Hughes County, Oklahoma. MAP 2 of
United States Department of Agriculture, Agricultural Adjustment Administration, Southern Division
core  

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