Results 161 to 170 of about 71,844 (252)

Effect of Med1 on T cell development and CD4+ T cell differentiation in immune response. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban, 2023
Zheng H   +8 more
europepmc   +1 more source

The Impact of AI‐Assisted L2 Learning on Learners’ Emotions: A Meta‐Analysis

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT The scope of research on AI‐assisted second/foreign language (L2/FL) learning has expanded beyond learning outcomes to focus on learners’ emotional experiences. Despite their proliferation, existing empirical findings are inconsistent, and few studies have systematically synthesized the impacts of AI‐assisted L2 learning on learners’ emotional
Jiaqi Jing   +4 more
wiley   +1 more source

神经干细胞的单层培养及分化过程中HES1和MASH1的表达变化

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2014
摘 要: 【目的】 建立神经干细胞(NSC)体外培养方案,使NSC的体外可以得到增殖和分化,并检测NSC分化过程中HES1和MASH1的表达变化。【方法】无菌条件下取SD大鼠胚胎端脑,无血清悬浮培养,形成P2代神经球后,将神经球消化成单细胞,分为神经球悬浮培养和单层贴壁培养,并对两种不同培养方式下的NSC进行干性鉴定和分化能力鉴定。用不同浓度(20、40、80 μg/L)的脑源性神经生长因子(BDNF)诱导NSC分化,选出最合适的浓度。用BDNF最佳诱导浓度诱导NSC分化,Q ...
doaj  

[Poorly differentiated neuroendocrine carcinoma of the tongue base: a case report]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Liu F   +5 more
europepmc   +1 more source

Comparing the Effects of Collaborative and Independent Writing on EFL Learners’ Individual Writing Performance: An Intervention Study

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT Collaborative writing has attracted increasing attention in English as a Foreign Language (EFL) instruction due to its potential to enhance learners’ writing competence. However, few studies have examined the comparative effects of collaborative versus independent writing on EFL learners’ individual performance, especially in higher‐order ...
Ting Huang, Chenze Wu, Wenkang Zhang
wiley   +1 more source

催化余热锅炉智能水质分析系统的开发与应用

open access: yesGongye shui chuli
石化催化余热锅炉多依赖人工分析化验提供水汽分析数据作为运行调整支撑,现已无法满足减排降耗对水汽过程监督的高质量要求。针对天津石化2#催化装置产汽单元点位多且相对分散的特点,结合水汽检测需求,按照“机器代人、一机多样、多点多参数”的思路开发智能水质分析系统,采用实验室标准规范的检测方法,实现了在装置现场的自动取样和连续分析,提高了水质化验分析的频次和质量。智能水质分析系统可代替两名实验室人员,解决了分析人员不足与高质量运行对水质分析需求高的矛盾,每年节省100万元以上的水汽分析化验成本 ...
李晨光, 李希鑫, 杨淦, 王晓
doaj  

Exploring Chinese International Students’ Intercultural Competence in Australian University Classrooms: Challenges and Opportunities

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT With the increasing number of Chinese international students in Australian universities, intercultural competence has become a critical factor influencing their interactions with Australian tutors in university classroom settings. Existing research often examines students’ intercultural competence from a single‐method or single‐perspective ...
Jiangyu Han, Linda Tsung
wiley   +1 more source

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