Results 131 to 140 of about 32,389,055 (296)

The Effect of Hydrophilic Headgroup Chemistry on Peptoid‐Directed Mineralization of CaCO3

open access: yesAdvanced Functional Materials, EarlyView.
Amphiphilic peptoids alter the pathway and outcome of calcium carbonate crystallization, which progresses through amorphous calcium carbonate (ACC) to vaterite to calcite rhombs in the absence of peptoids. In contrast, amine‐terminated peptoids produce vaterite disks and carboxyl‐terminated peptoids produce calcite mesocrystals.
Biao Jin   +5 more
wiley   +1 more source

Minimisasi Riak Arus Keluaran Penyearah Daya-besaran dengan Menggunakan Filter Aktif

open access: yesJournal of Mathematical and Fundamental Sciences, 2019
Sari. Suatu metode baru untuk meminimisasi riak arus keluaran penyearah daya besar dengan menggunakan filter aktif diusulkan dalam tulisan ini. Karena filter aktif terhubung parallel dengan beban, maka kapasitas arus filter aktif yang diperlukan menjadi
Pekik Argo Dahono
doaj  

Intracrystalline Void‐Mediated Toughening of Brittle Crystals in Quail Eggshells

open access: yesAdvanced Functional Materials, EarlyView.
In quail eggshells, the high density and disordered arrangement of intracrystalline voids inhibit lattice cleavage, suppress long‐range crack propagation, and promote deformation twinning and quasi‐plasticity, serving as an essential toughening motif. We show that these voids remain within a narrow subcritical size range and therefore predominantly do ...
Jingxiao Zhong   +16 more
wiley   +1 more source

Selenium‐Integrated Cyanine Dye With Enhanced Photophysical Properties for Optoacoustic‐Guided Cancer Imaging and Therapy

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces selenium‐integrated cyanine dye (Se‐Cyn), with superior photostability, absorption, and photothermal efficiency, outperforming ICG in NIR window. Its nanoparticle form remains stable in water, accumulates in tumors, and enables strong optoacoustic imaging and effective phototherapy outcomes.
Divyesh Shelar   +11 more
wiley   +1 more source

Research of Harmonic Detection Method of Active Power Filter

open access: yesGong-kuang zidonghua, 2012
In view of problem that common ip-iq harmonic current detection method cannot consider filtering effect and real-time performance simultaneously because of using digital low-pass filter, the paper put forward a kind of improved method using mathematical ...
LI Shuang-ke, WU Ji-qun
doaj  

How the Porous Transport Layer Dictates Membrane Electrode Assembly Performance of IrO2 Catalysts

open access: yesAdvanced Functional Materials, EarlyView.
The Schottky barrier formed at the catalyst | PTL interface critically governs both the initial performance and long‐term durability of the PEMWE, and its magnitude is dictated by the catalyst's work function. This limitation can be resolved by combining a rutile IrO2 core for efficient electron transfer with an amorphous IrOx shell for high surface ...
Hyeseong Jeon   +6 more
wiley   +1 more source

Adaptive H2/H∞ Filter for Integrated Navigation System

open access: yes, 2014
Conventional H∞filter is much more conservative, as the filter parameters are set in the initial while Kalman filter requires the statistical properties of noise accurately.
Liu XG(刘晓光)   +4 more
core   +1 more source

Architectural Tuning of Bouligand Electrospun Laminates Enables Coupled Mechanical Robustness and Electromechanical Sensing

open access: yesAdvanced Functional Materials, EarlyView.
Bioinspired Bouligand architectures are translated into biodegradable polymer laminates with integrated sensing, revealing how structural design governs multifunctional performance. A 20° interlayer rotation optimizes strength, flexibility, and electromechanical response, while embedded nanotube networks enable real‐time damage detection and wearable ...
Piotr K. Szewczyk   +4 more
wiley   +1 more source

Trend Extraction From Time Series With Structural Breaks and Missing Observations [PDF]

open access: yes
Trend extraction from time series is often performed by using the filter proposed by Leser (1961), also known as the Hodrick-Prescott filter. Practical problems arise, however, if the time series contains structural breaks (as produced by German ...
Schlicht, Ekkehart
core  

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