Results 21 to 30 of about 12,273 (164)

Regulating TGO Nucleation and Growth of MCrAlX Coatings via Femtosecond Laser Remelting: The Role of Reactive Elements in the Oxidation Resistance

open access: yesRare Metals, EarlyView.
ABSTRACT MCrAlX coatings are widely used as bond coats in thermal barrier coating systems to protect turbine blades from high‐temperature oxidation. However, their oxidation resistance is often restricted by uncontrolled microstructures, surface roughness, and aggregation of reactive elements (REs). In this study, high‐repetition‐rate femtosecond laser
Wei Qian   +7 more
wiley   +1 more source

Dual‐Rare‐Earth‐Doped Piezoelectric Semiconductor Gallate Solids With Spectral Tuning for Energy Conversion and Photonic Applications

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Mechanoluminescent materials have gained significant attention for their unique capability to convert mechanical stimuli into light without external optical or electrical excitation, holding immense promise for applications in safety monitoring, biomedicine, optical anti‐counterfeiting, and intelligent sensing.
Fanlei Qin   +8 more
wiley   +1 more source

Addressing Demographic Challenges Through Public–Private Partnerships: In Vitro Fertilization in Latvia

open access: yesWorld Medical &Health Policy, Volume 17, Issue 4, Page 688-694, December 2025.
ABSTRACT The study by Morshed‐Behbahani et al. highlights that financial barriers are not the sole obstacle to accessing infertility treatment. To ensure equal access for all, infertility treatment should be regarded as a universal human right, with the public sector assuming responsibility for its provision.
Arturs Kalva, Girts Brigis
wiley   +1 more source

Beyond Motivation: Modeling the Predictive Role of L2 Pride in Informal Digital Learning of English

open access: yesInternational Journal of Applied Linguistics, Volume 35, Issue 4, Page 1938-1952, November 2025.
ABSTRACT This study investigates the role of second language (L2) pride—an understudied affective factor—in shaping learners’ language learning motivation and involvement with informal digital learning of English (IDLE). Drawing on questionnaire data from 1388 Chinese university EFL students, the study employs structural equation modeling to examine ...
Minlin Minny Zou   +3 more
wiley   +1 more source

Uncovering Xi Jinping's Policy Agenda: Text As Data Approach

open access: yesThe Developing Economies, Volume 63, Issue 1, Page 9-46, March 2025.
How many agendas has Xi Jinping put forth and promoted since taking office in 2012, and what are the types of agendas? How much of political attention has each agenda received, and how has the allocation of attention changed over time? We utilize a dataset of presidential statements, speeches, and reports from 2012 to 2022 and employed automated text ...
Jaehwan Lim, Asei Ito, Hongyong Zhang
wiley   +1 more source

Stability and policy threats: US public opinion after a decade of the Affordable Care Act 稳定与政策威胁:《平价医疗法案》实施十年后的美国舆论 Estabilidad y amenazas políticas: Opinión pública estadounidense después de una década de la ley de atención médica asequible

open access: yesWorld Medical &Health Policy, Volume 16, Issue 4, Page 520-546, December 2024.
Abstract The Affordable Care Act (ACA) continues to shape US politics at the elite level. We know less about whether this conflict still carries over to the broader public. Moreover, we know little about the degree to which the conflict reaches into its various policies and whether the policy threats to the ACA can affect public opinion.
Simon F. Haeder, Steven Sylvester
wiley   +1 more source

体外受精与胚胎移植研究进展

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 1997
摘 要 作者综述我院自1990年建立体外受精与胚胎移植技术应用于治疗不育的研究。目前本技术已处 于国内领先地位,技术的改进着重于如下几方面: ①改进治疗周期超排卵方案, 提高卵子受精率; ②改良选择性 减胎术,达到准确、简便、安全,减少多胎妊娠; ③应用体外受精与胚胎移植( IV F-E T)技术为卵巢早衰患者及遗 传病夫妇提供赠卵、赠胚胎治疗的方法; ④建立第2代IV F-ET技术,应用卵母细胞单精显微注射技术( ICS I)治 疗严重男性因素与不明原因不育,同时展望人工辅助破`壳 ...
庄广伦
doaj  

宫腔镜在体外受精一胚胎移植失败病例中的应用价值

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2005
【目的】探讨官腔镜在体外受精-胚胎移植(IVF-ET)失败病例诊断中的应用价值。【方法】收集从1996到2004年在中山大学附属第一和第二医院生殖中心行体外受精-胚胎移植失败患者107例,在我院进行了宫腔镜检查,其中83例进行了内膜活检,总结分析该资料。【结果】官腔镜发现正常官腔74例(69.16%),异常33例(30.84%),其中包括宫腔粘连6例、内膜薄6例、宫腔息肉6例、内膜肥厚5例、黏膜下子宫肌瘤4例、宫颈管狭窄3例、内膜炎2例、子宫纵隔1例。83例子宫内膜病理活检则发现正常内膜54例(65 ...
张清学   +7 more
doaj  

Prenatal diagnosis and postnatal outcome of Type‐III vasa previa: systematic review of literature

open access: yesUltrasound in Obstetrics &Gynecology, Volume 63, Issue 1, Page 24-33, January 2024.
ABSTRACT Objective Type‐III vasa previa (VP) is a rare form of VP, not necessarily associated with other placental or vascular anomalies, in which aberrant vessels run from the placenta to the amniotic membranes, near the internal cervical os, before returning to the placenta. Early diagnosis of Type‐III VP is important but technically challenging. The
M. Pozzoni   +7 more
wiley   +1 more source

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