Results 11 to 20 of about 23,616 (116)
Learner‐Focused Strategy Instruction From the Teachers’ and the Learners’ Perspective
International Journal of Applied Linguistics, EarlyView.ABSTRACT Numerous large‐scale quantitative studies have been conducted to yield a macro‐level picture of the effectiveness of strategy instruction. However, little is understood about learners' actual processing of strategy instruction and interaction with the teachers delivering it.
Isobel Kai‐Hui Wang, Andrew D. Cohen
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International Journal of Applied Linguistics, EarlyView.ABSTRACT This study investigates how the learner‐related factors of language dominance, encompassing language history, proficiency, use, and attitude, modulate congruency effects in multi‐word unit (MWU) processing among early bilinguals. Seventy Cantonese–Putonghua bilinguals completed lexical decision tasks measuring reaction time and accuracy for ...
Mingjia Cai, Yuan Liang
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Shuitu Baochi Xuebao, 2003 在分析土壤水分特征曲线经验模型中特征参数的基础上，选取5种不同质地土壤，利用张力计测定了土壤水分特征曲线，根据实验资料确定了土壤水分特征曲线经验模型中参数，采用回归分析方法建立了参数与土壤物理特性间的函数关系，为采用土壤颗粒组成等土壤物理特性确定土壤水分特征曲线提供了指导。
来剑斌 王全九
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New Phytologist, EarlyView.Biosynthesis and accumulation of tanshinones in the periderm of Salvia miltiorrhiza during secondary root growth. Summary Perennial herbs develop long‐lived roots that undergo repeated cycles of secondary growth, during which the periderm functions as a protective barrier and a major site of specialized metabolite accumulation.
Licheng Liu +19 more
wiley +1 more source
Basic income trials and the politics of scale: A research agenda
Policy Studies Journal, Volume 54, Issue 3, August 2026.Abstract The growing popularity of basic income has led to extensive trials of the policy in numerous settings across the world. However, analysis of the politics of basic income, and in particular the political dynamics preceding and resulting from trial programs, lags. In response, we propose a research agenda that uses political scale to investigate
Jurgen De Wispelaere +2 more
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Gaoya dianqi, 2012 笔者提出一种新型单相并联混合型电力滤波方案。该方案采用磁通补偿原理和谐波电流分流技术,可以进一步降低APF所需容量,并有效改善滤波系统的性能。为分析该方案的相关特性,文中建立了它的稳态及暂态过程数学模型。重点分析PID控制器比例、积分、微分参数kp、ki、kd对暂态过程中的滤波特性和APF所需容量的影响,分析结果表明,控制器参数设置对滤波器暂态特性有重要影响,该分析为PID参数的设计提供了一定的理论参考。
刘卫民, 樊越甫, 刘方
doaj
Scientists in power plays: How substantive were scientists' narratives during the COVID‐19 pandemic?
Policy Studies Journal, Volume 54, Issue 3, August 2026.Abstract Scientists who provide expert advice must engage with policy processes. Little is known about whether and how scientists deal with the political dynamics of policy processes that are inherent to policymaking. We study this question by building on the policy dimension concept within the Narrative Policy Framework.
Jule Ksinsik, Caroline Schlaufer
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Policy Studies Journal, Volume 54, Issue 3, August 2026.ABSTRACT Despite extensive research on policy diffusion, the ways in which policy attention influences this process remain underexplored. This study addressed this gap by distinguishing between three types of policy attention—political speeches, policy issuance and field visits—and investigating their differential impacts when delivered by central and ...
Xiangning Chen, Yahua Wang
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四川大学学报. 自然科学版, 2015 首先,利用LiH实验光谱常数和同位素效应推导出LiT分子的光谱学常数.根据双原子分子的光谱学常数,力常数,解析势能函数参数同实验测量的光谱常数间的关系,推导出LiH和LiD分子的力常数和Murrel-Sorbie解析势能函数参数.其次,在核间距平衡点两侧谐振频率范围内取若干点,用量子化学QCISD(T)方法和6-311++(3df,2pd)基组对LiH及其氢同位素分子进行单点能计算,并在Born-Oppenheimer近似下用核动能对电子能量进行修正,而后进一步拟合为Murrel ...
刘东晓, 张莉, 杜际广, 蒋刚
doaj
Zhejiang Daxue xuebao. Lixue ban, 2022 详细分析了电场作用下四维Hindmarsh-Rose（HR）神经元模型的分岔模式及放电行为。通过数值仿真得到该神经元模型的多组双参数分岔图、最大Lyapunov指数图、峰峰间期分岔图等，发现该模型在双参数平面上存在倍周期分岔、加周期分岔等模式及“锯齿状”混沌结构。通过构建合适的目标函数，提出了自适应混合粒子群遗传算法，将神经元模型的参数辨识转化为最优化问题。数值仿真结果表明，算法对神经元模型的参数辨识效果较好，能更准确地辨识未知参数，具有一定优越性。
XIAORan(肖冉) +3 more
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