Results 11 to 20 of about 9,644 (161)

Resource Substitution: Local Governments' Issue Attention and Policy Reinvention

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Research on policy reinvention, where a government modifies rather than replicates policy innovations introduced by other governments, has progressed significantly, but how it is influenced by the government's issue attention has not been thoroughly examined.
Yingxin Zhang, Yixue Yao, Kaifeng Yang
wiley   +1 more source

系统性红斑狼疮合并妊娠的回顾性分析 [PDF]

open access: yes, 2020
【目的】探讨系统性红斑狼疮(SLE)合并妊娠孕妇孕期病情变化以及对妊娠结局的影响,分析不良妊娠结局的相关危险因素。【方法】回顾性分析2013年1月1日至2018年12月31日在中山大学附属第三医院产检并分娩,且病例资料完整的合并SLE孕妇,共89例孕妇,95次妊娠,分析孕期SLE病情活动情况及妊娠结局,找出不良妊娠结局的相关危险因素。【结果】①根据SLE疾病活动指数(SLEDAI)评价病情变化,将其分为疾病活动组及稳定组,其中孕期出现病情活动39例(活动组,A组),病情稳定56例(稳定组,B组 ...
孟召然   +4 more
core  

Investigate the Effect of Resveratrol on Postovulatory Aging of Mouse Oocytes [PDF]

open access: yes, 2016
大多数辅助生殖技术在体外操作,随着操作时间的延长,未受精的第二次减数分裂中期的卵母细胞会经历老化的过程,此过程限制了卵母细胞发展的潜力和受精的能力,因此如何延缓卵母细胞的老化为操作争取更多的时间是提高辅助生殖技术成功率的关键。然而,至今仍没有合适的方法能克服卵母细胞在体外发生的老化。本文的研究目的是探讨白藜芦醇是否可以改善排卵后老化的卵母细胞在体外发生的不良结局,之前有研究表明白藜芦醇可以提高不同物种在体外受精的概率。我们用小鼠第二次减数分裂中期的卵母细胞作为对照组 ...
刘蕊
core  

Perfil de riesgo para cariotipo anormal en mujeres con aborto recurrente Hospital Nacional Guillermo Almenara Irigoyen 2010 – 2015 [PDF]

open access: yes, 2023
Conocer el perfil de riesgo para cariotipo anormal en mujeres con diagnóstico de aborto recurrente en el Hospital Nacional Guillermo Almenara Irigoyen entre el 2010-2015.
Huarhua Olortegui, Milagros Ayme
core  

A Review on Cracking in Laser Additive Manufacturing of Nickel‐Based Superalloys: Types, Formation Mechanisms, and Suppression Strategies

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Nickel‐based superalloys (Ni‐based superalloys) have attracted extensive attention in laser additive manufacturing (LAM) due to their capability to directly fabricate complex and high‐performance structural components. However, the rapid melting and solidification inherent to LAM result in intense thermal cycling, which induces high residual ...
Tianxiang Lin   +9 more
wiley   +1 more source

Relationship between Vitamin and Fetal Development [PDF]

open access: yes, 2017
胎儿在母体宫内发育经过受精卵、胚胎、胎儿三个阶段,任何影响母胎健康的病因都影响宫内受精卵、胚胎和胎儿的发育,严重者甚至导致胚胎停育、胎死宫内。缺乏维生素容易诱发人体各种疾病,孕期母体维生素的需要量增加,如果孕期母体维生素摄入不足、补充不够、未得到及时增加或增加过量,都会影响胎儿器官的正常发育,导致胎儿发育不良。有些严重的胎儿畸形是致死性的,因此孕期要注意筛查及时处理。孕期加强母胎保健,重视优生优育,改善孕妇和儿童营养状况,合理调配膳食,适当补充维生素,了解各种维生素的功效和胎儿发育的相关性 ...
张其清, 蔡际, 陈丽玉
core  

Clinical Evaluation of High-risk HR-HPV E6/E7 mRNA Detection during Pregnancy [PDF]

open access: yes, 2022
BackgroundIt is necessary to differentiate high-risk human papillomavirus (HR-HPV) infection and cervical lesions during pregnancy using an effective measure, so as to guide personalized diagnosis and treatment and to reduce unnecessary invasive ...
YANG Yongmei, WANG Fengying, LIAO Qinping, XIAO qun, KANG Ning, WU Jie
core   +1 more source

Life Stage‐Specific Genetic Diversity and Landscape Characteristics Collectively Influence Genetic Recovery in Pometia pinnata Population 生活史阶段特异的遗传多样性与景观特征对番龙眼种群遗传恢复的协同影响

open access: yesIntegrative Conservation, Volume 5, Issue 1, Page 137-149, March 2026.
Pometia pinnata demonstrated life‐stage‐specific genetic responses to landscape features, with asymmetric gene flow patterns and population recovery following historical bottlenecks, revealing complex topographic and demographic influences on forest genetic structure.
Madhuparna Chatterjee   +5 more
wiley   +1 more source

孕康糖浆配合促排卵治疗未破裂黄素化综合征32例临床治疗 [PDF]

open access: yes, 2013
卵泡生长至一定时期后内部黄素化,但无真正排卵发生,引起一系列现象,称为未破裂卵泡黄素化(luTEInIzEd unruP-TurEd fOllIClE,luf)。luf在多个周期中反复出现的机率为12%~72%,若月经周期中反复出现luf现象,称为卵泡未破裂黄素化综合征(luTEInIzEd unruPTurEd fOllIClE SyndrOME,lufS),是排卵异常的一种常见类型,属卵巢性不孕,其发病机理不详,经研究与子宫内膜异位症、高泌乳素血症 ...
戴景曦
core  

Impact of insulin resistance on pregnancy outcomes in patients with unexplained recurrent implantation failure and the interventional effect of metformin [PDF]

open access: yes
Objective To investigate the impact of insulin resistance (IR) on pregnancy outcomes in patients with unexplained recurrent implantation failure (URIF) and evaluate the potential therapeutic value of metformin.
Dan MO   +4 more
core   +1 more source

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