Results 61 to 70 of about 14,754 (164)
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT The B2 phase is a critical strengthening constituent in AlxFeCoCrNi high‐entropy alloys (HEAs), and introducing such phases onto the nanoscale cellular substructures is an ideal pathway for strengthening alloys fabricated by laser powder bed fusion (L‐PBF).
Xiangjian Zhu +5 more
wiley +1 more source
Gaoya dianqi, 2022 针对变压器状态评价存在大量模糊、不确定甚至是冲突信息，同时现有的评价方法预设传统阈值过于主观，且权重确立相对简单有失偏颇，导致评估结果存在偏差的问题。提出了基于博弈论组合赋权的变压器差异化状态评估方法：首先利用多维度特征参量的全量历史数据与Weibull模型计算特征参量的状态离散区间和差异化阈值，然后建立基于差异化阈值的特征参量状态隶属函数，获得各指标不同状态的隶属度，最后基于层次分析法和熵值法的博弈论加权方法来计算设备处于不同状态的置信概率，实现了状态量权重确定与设备的多参量状态评估 ...
张冀, 张亚静, 仇向东
doaj
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 1, Page 79-88, January 2026.ABSTRACT Objective To evaluate the proportion of optimal assessments of endometrial thickness (ET) achieved by transvaginal ultrasound (TVS) compared with a multimodal (MM) sonographic approach in women with abnormal uterine bleeding (AUB). Methods This prospective observational study was a subset of the EPI‐SURE study conducted between June and ...
S. Nijjar +5 more
wiley +1 more source
Antimicrobial susceptibility, variation and relative expression of relative genes of Salmonella screened from different quinolone and fluoroquinolones [PDF]
, 2020 Objective To study the mutation and expression of genes of Salmonella when screened by different concentrations of quinolone and fluoroquinolones during propagation and their relation with antibiotic resistance.
Baowei YANG +7 more
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Deep quantile regression for growth and maturation reaction norms
Methods in Ecology and Evolution, Volume 17, Issue 1, Page 111-124, January 2026.Abstract Understanding species' growth and maturation responses to anthropogenic and environmental pressures is crucial for tracking demographic shifts, phenotypic change and ensuring population sustainability. Traditional regression methods often focus on modelling the conditional mean of life‐history traits, potentially overlooking heterogeneity in ...
Guankui Liu +4 more
wiley +1 more source
World Medical &Health Policy, Volume 17, Issue 4, Page 745-766, December 2025.ABSTRACT This paper aimed to describe and analyze the factors that shaped the political priority of global neurosurgery from 2015 to 2022. The neurosurgery community formed a movement (that can be described as a global health network) to advocate for the neurosurgical patient to ensure safe, timely, and affordable neurosurgical care for all, and ...
Martina Gonzalez Gomez +3 more
wiley +1 more source
Shuitu Baochi Xuebao, 2004 土壤容重和饱和导水率是影响坡地土壤入渗产流和抗侵蚀能力的两个重要因素,研究径流小区表层土壤容重和饱和导水率在坡面的空间变化规律,有助于深入理解坡地的降雨入渗产流产沙规律。借助经典统计学和地质统计学,采用1m网格布点法对神木六道沟流域41m×5m径流小区表层土壤容重和饱和导水率坡面空间变异规律进行研究,结果表明:(1)表层土壤容重沿坡面的变化没有明显的规律,经地质统计学分析土壤容重具有明显的空间结构和自相关特征,自相关特征长度为7.6m。(2)表层土壤饱和导水率在坡面的变化也不具备明显规律 ...
郑纪勇 邵明安 张兴昌
doaj +2 more sources
血小板源性生长因子受体α突变型胃肠间质瘤的临床病理特征及预后分析
Zhongshan Daxue xuebao. Yixue kexue ban, 2021 目的探讨血小板源性生长因子受体α（PDGFRA）突变胃肠道间质瘤（GIST）中PDGFRA基因的突变状况、临床病理特征及预后因素，为生物靶向治疗提供依据。方法收集 2015 年1月至 2020 年11月期间中山大学肿瘤防治中心收治的经病理确诊为GIST，且原发肿瘤组织通过Sanger测序证实存在PDGFRA基因12或18号外显子突变的40例患者石蜡标本。采用免疫组化检测GIST中CD117、CD34、DOG-1及Ki-67表达情况。收集患者临床病理特征资料，回顾性分析影响 PDGFRA 突变型GIST ...
吴小延 +5 more
doaj
Study on sources and distributions of organic acids in PM10 in the coastal regions of southern Fujian [PDF]
, 2012 有机酸是大气气溶胶中重要的一类极性有机化合物，来源于机动车尾气、化石燃料和生物质燃烧及烹饪油烟等，不饱和脂肪酸和芳香烃（如苯、甲苯、萘）的光化学氧化以及高等植物及微生物等也有贡献。大气气溶胶中有机酸对全球的气候环境（如辐射平衡、降雨）和人类健康具有重要的影响。闽南沿海（此文定义包括厦门、金门、漳州和泉州部分沿海区域）是中国沿海经济较为发达的区域之一，也是海峡西岸经济区建设的主要引擎之一。近年来随着大厦门城市化和经济的快速发展，空气质量呈现逐年下降的趋势（首要污染物为可吸入颗粒物PM10 ...
刘碧莲
core
Source of mine water during coal mining in the contiguous area of Inner Mongolia and Shaanxi [PDF]
The region where Inner Mongolia and Shaanxi converge is pivotal for the underpinning of national energy security and is also central to the ecological conservation and sustainable development of the Yellow River Basin.
Hui LI, Jian YANG
core +1 more source