Results 131 to 140 of about 1,167,008 (357)

Optical Control of the Thermal Conductivity in BaTiO3

open access: yesAdvanced Functional Materials, EarlyView.
Light‐driven manipulation of thermal conductivity in archetypal ferroelectric, BaTiO3, offers a novel and effective approach for the dynamical control of the heat flux, with potential applications in thermal management and phonon‐based logic. Abstract Achieving dynamic control over thermal conductivity remains a formidable challenge in condensed matter
Claudio Cazorla   +4 more
wiley   +1 more source

Characterization and novel Est-SSR marker development of an important Chinese medicinal plant, Morinda officinalis How (Rubiaceae)

open access: yesBiotechnology & Biotechnological Equipment, 2019
Morinda officinalis How (Rubiaceae) is well known as one of the four most popular medicinal plants in the southern region of China. In order to assess its genetic diversity and assist the development of its molecular assisted-selection breeding in China,
Boyong Liao   +7 more
doaj   +1 more source

Trace semantics for polymorphic references [PDF]

open access: yesarXiv, 2016
We introduce a trace semantics for a call-by-value language with full polymorphism and higher-order references. This is an operational game semantics model based on a nominal interpretation of parametricity whereby polymorphic values are abstracted with special kinds of names. The use of polymorphic references leads to violations of parametricity which
arxiv  

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

Association Between 5-HTTLPR Polymorphism and the Risk of Autism: A Meta-Analysis Based on Case-Control Studies

open access: yesFrontiers in Psychiatry, 2019
Background: Recently, many case-control studies have reported the association between 5-HTTLPR polymorphism and autism risk. However, the results are inconclusive and conflicting. To investigate the genetic association of 5-HTTLPR polymorphism and autism
Hongbing Wang   +3 more
doaj   +1 more source

ILLUSTRATIONS OF CARPEL POLYMORPHISM [PDF]

open access: bronze, 1929
Edith R. Saunders
openalex   +1 more source

Identification of polymorphs of pentacene [PDF]

open access: yesarXiv, 2002
Pentacene crystallizes in a layered structure with a herringbone arrangement within the layers. The electronic properties depend strongly on the stacking of the molecules within the layers (Haddon et al., 2002). We have synthesized four different polymorphs of pentacene, identified by their layer periodicity, d(001): 14.1, 14.4, 15.0 and 15.4 A. Single
arxiv  

Ionic Metal Poly(heptazine Imides) and Single‐Atoms Interplay: Engineered Stability and Performance for Photocatalysis, Photoelectrocatalysis and Organic Synthesis

open access: yesAdvanced Functional Materials, EarlyView.
Poly(heptazine) imides (PHIs), a crystalline carbon nitride subclass, intercalate metals to deliver high stability, tunable electronics, and efficient charge separation. These features enable solar‐driven applications such as hydrogen evolution, CO₂ reduction, and organic synthesis.
Gabriel A. A. Diab   +6 more
wiley   +1 more source

A New Single Gene Differential Biomarker for Mycobacterium tuberculosis Complex and Non-tuberculosis Mycobacteria

open access: yesFrontiers in Microbiology, 2019
BackgroundTuberculosis (TB) and non-tuberculous mycobacteriosis are serious threats to health worldwide. A simple non-sequencing method is needed for rapid diagnosis, especially in less experienced hospitals, but there is no specific biomarker commonly ...
Lei Zhou   +9 more
doaj   +1 more source

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