Results 11 to 20 of about 8,023 (166)
Policy Studies Journal, Volume 51, Issue 4, Page 817-842, November 2023., 2023 Abstract Are narratives as influential in gaining the attention of policymakers as expert information, including for complex, technical policy domains such as artificial intelligence (AI) policy? This pre‐registered study uses a field experiment to evaluate legislator responsiveness to policy entrepreneur outreach.
Daniel S. Schiff, Kaylyn Jackson Schiff
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Journal of Traumatic Stress, Volume 36, Issue 2, Page 272-284, April 2023., 2023 Abstract For parents of color, publicized racial violence can heighten concerns about their children's safety. The goal of this study was to test whether this form of race‐related stress exacerbates maternal posttraumatic stress disorder (PTSD) symptoms over a 4‐month period in families of color. Participants included 262 U.S.
Destiny Printz Pereira +2 more
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, 2002 【摘要】 杂交育种、种质优选、雌核发育及物种保护等研究都要涉及到精液冷冻保存。精液的长期保存 ,可以保证基因长时间的稳定性 ,能以较少的时间和空间保证精子的供应 ,没有季节限制 ,也不需较高的饲养亲本的花费 ,大大提高了选择育种的可行性。和其他水生生物大量精子冷冻研究相比 (Ｍｉｓｔｕｔｏｓｈｉ,2 0 0 0 ) ,甲壳动物精子冷冻保存研究很少 ,主要集中在十足目甲壳动物。虽然十足目甲壳动物最近在养殖上越来越重要 ,但其精子冷冻保存技术依然很少(Ｃｈｏｗ ,1985 ;Ａｎｃｈｏｒｄｏｇｙ等 ...
李少菁, 王桂忠, 管卫兵
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War and Peace: Ogawa Takemitsu's Theological Engagement with State and Religion
Journal of Religious History, EarlyView.The Manchurian Incident of 1931 marked a pivotal moment in the rise of Japanese fascism. During the period from this incident until the Pacific War's defeat, dissent from the state's control was not tolerated, leading to coercive measures in religious communities. The Christian community, rather than devising theological reasoning to resist the state's
Eun‐Young Park, Do‐Hyung Kim
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Effects of Tusi Erxian Decoction on sperm motility, malondialdehyde and superoxide dismutase in seminal plasma of asthenospermia patients with syndrome of deficiency of kidney yang [PDF]
, 2017 目的:探讨菟丝二仙汤治疗肾阳虚型弱精子症的疗效及相关机制。方法:180例肾阳虚型弱精子症患者随机分为菟丝二仙汤组、右归丸组、西药组(辅酶Q10胶; 囊、维生素E、维生素C),每组60例,分别治疗3个月。比较各组治疗前后精液参数,检测精浆丙二醛(MDA)和超氧化物歧化酶(SOD)变化,比较临床; 疗效。结果:菟丝二仙汤组在改善a级精子、精子活力、精子活率明显优于右归丸以及西药组 ...
卢太坤 +5 more
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo +9 more
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Application Research of Photochemical Vapor Generation and Inductively Coupled Plasma Mass Spectrometry [PDF]
, 2015 本论文建立了光化学蒸汽发生（PCVG）-电感耦合等离子体质谱（ICPMS）联用技术同时测定钴（Co）、砷（As）、锑（Sb）、硒（Se）、碲（Te）等五种元素及直接测定八种As和Se形态的方法。建立的在线分离测定方法具有快速和准确的特点，为Co、As、Sb、Se和Te的同时测定及As和Se形态的直接测定提供了新的技术手段。本论文分为4章，具体内容如下： 第1章介绍了环境中Co、As、Sb、Se、Te和不同As、Se形态的理化性质及危害，并对上述元素常用的分析测定方法和研究进展进行了概述 ...
朱建颖
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The development of efficient and stable bifunctional catalysts remains a key challenge for green hydrogen production via electrochemical water splitting. In this study, a bimetallic Mo/Fe‐doped CoP2 nanoleaf array anchored on carbon cloth (Mo, Fe‐CoP2@CC) was synthesized from zeolitic imidazolate framework‐L (ZIF‐L) via an ion‐exchange and low‐
Xiangqun Zeng +6 more
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Rare Metals, Volume 45, Issue 3, March 2026.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
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Effects of Nonylphenol and Estradiol on Gonad Development and Sperm Motility in Chinese Black Sleeper Bostrichthys sinensis [PDF]
, 2010 本文以中华乌塘鳢（BostrichthyssinensisLacépède）为研究对象，以壬基酚(4-nonylphenol，NP)和雌二醇（17β-estradiol，E2）为环境内分泌干扰物的代表，从幼鱼和成鱼两个层次上研究其对中华乌塘鳢性分化、幼鱼性腺发育以及对雄鱼精子发生和精子活力的影响，探讨养殖中华乌塘鳢雌雄同体产生的诱因及其作为水环境污染的指示生物的可行性，为发展鱼类健康养殖和环境保护提供科学依据。 在幼鱼暴露阶段，将30日龄的幼鱼暴露于1、10、100μg/L3个质量浓度的NP和10μg ...
左明杰
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