Results 21 to 30 of about 469,588 (157)
Beyond Motivation: Modeling the Predictive Role of L2 Pride in Informal Digital Learning of English
International 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
The 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
Politics &Policy, Volume 52, Issue 6, Page 1284-1309, December 2024.Abstract This research employs the advocacy coalition framework (ACF) to examine two coalitions of U.S. foreign policy during the early part of Barack Obama's presidency when U.S. policy shifted from leading multilateral security operations with European allies to catalyzing others to lead.
Roberta N. Haar
wiley +1 more source
Journal of Consumer Behaviour, Volume 23, Issue 1, Page 90-106, January 2024.Abstract This study aims to explore thematic influences on theme park visitors' satisfaction through user‐generated data. To this end, we first used an unsupervised machine learning method, structural topic modeling, and analyzed 112,000 reviews post by visitors to Shanghai Disney Resort from June 16, 2016 to March 4, 2022.
Shizhen Bai +8 more
wiley +1 more source
MXene‐Assisted Enhanced Electrochemical Performance of Doped Strontium Titanium Nanoparticles
Journal of Nanotechnology, Volume 2024, Issue 1, 2024.The growing demand for energy storage has drawn considerable attention to devices such as supercapacitors, which currently lack high energy density but depict high power density and long cycle life. In this work, we have synthesized La0.3Sr0.7Ti0.5Fe0.5O3 (LSTF) nanoparticles and Ti3C2‐MXene‐modified LSTF nanoparticle hybrid to study the effect of ...
Muhammad Qaiser Manzoor +4 more
wiley +1 more source
Gongye shui chuli, 2003 详细研究了“环境友好”型阻垢分散剂聚天冬氨酸(PASP)和聚环氧琥珀酸(PESA)的阻垢性能、与PBTC的复配协同效应及其生物可降解性能,并开发了以其为主要成分,适用于油田水处理的阻垢分散剂TS-721。模拟现场水质和工艺条件进行试验研究,结果表明,该药剂阻垢性能良好。
胡兴刚 +4 more
doaj
, 2012 对于环境中污染物对人体或生态系统的影响以及对一些尚没有环境标准值的有毒污染物质的评价,可参照美国环保局推算出来的介质环境目标值。介绍了多介质环境目标值的含义、推算模式,并将其应用到某市自来水水源的环境评价工作中。以最基础的毒性数据为依据的水体有毒有害有机物的环境安全性及污染源评价,对制定我国环境质量标准具有参考和借鉴作用,尤其在农药生产污染物排放标准的确定方面有着重要的应用价值。实例分析表明 ...
吕平毓, 米武娟
core
Gongye shui chuli, 2006 西安惠大公司闭路循环水系统存在着严重的腐蚀问题，根据闭路系统的特点，并在大量的试验基础上开发出了环境友好型缓蚀阻垢剂TS-240A。TS-240A以钼酸盐为主剂，复配膦羧酸以及多元分散剂等其他药剂，经过近两年来在西安惠大公司的闭路循环水系统现场应用，证明该药剂具有较好的缓蚀阻垢效果。
郭勇, 张宏, 李红兵, 耿鲁华
doaj
Towards Sustainability: Environmental Education in China - A German Strategy for Chinese Schools? [PDF]
In the last years China has recognized the environment as an economically valuable good, thus promoting sustainable economic development. Among the young people, this principle is spread by creating awareness through Environmental Education (EE) in ...
Wasmer, Caterina
core
, 2016 本发明提供的一种制备环境友好型水溶性缓蚀剂的方法，其包括以下步骤：将聚乙烯基吡咯烷酮和去离子水充分混合，采用超声波清洗仪超声至聚乙烯基吡咯烷酮和去离子水完全溶解，然后再向其中加入苯胺，在室温下搅拌一小时，得到第一溶液；过硫酸铵与盐酸溶液配制成氧化剂溶液，将氧化剂溶液缓慢滴加到第一溶液中，在2℃条件下搅拌5小时，充分反应，获得环境友好型水溶性缓蚀剂的聚苯胺。使用方法简单，加水稀释既用，实现了本产品的安全环保特性，只需要用水稀释50-300倍后使用即可，当缓蚀剂的浓度为0.5g-L时，对碳钢缓蚀率高达95 ...
刘栓 +4 more
core