Exploration of the Evolution of Teacher Roles and Professional Development Needs Among University English Instructors

The role of university English instructors has evolved significantly over the years,encompassing various aspects.This paper explores the evolution of the role of university English instructors and examines the current challenges and opportunities they face in today’s educational landscape.It delves into the multifaceted nature of their responsibilities and discusses the importance of continuous professional development to meet the evolving needs of students and the demands of the profession.

Role Dynamic Allocation of Human-Robot Cooperation Based on Reinforcement Learning in an Installation of Curtain Wall

A real-time adaptive roles allocation method based on reinforcement learning is proposed to improve humanrobot cooperation performance for a curtain wall installation task.This method breaks the traditional idea that the robot is regarded as the follower or only adjusts the leader and the follower in cooperation.In this paper,a self-learning method is proposed which can dynamically adapt and continuously adjust the initiative weight of the robot according to the change of the task.Firstly,the physical human-robot cooperation model,including the role factor is built.Then,a reinforcement learningmodel that can adjust the role factor in real time is established,and a reward and actionmodel is designed.The role factor can be adjusted continuously according to the comprehensive performance of the human-robot interaction force and the robot’s Jerk during the repeated installation.Finally,the roles adjustment rule established above continuously improves the comprehensive performance.Experiments of the dynamic roles allocation and the effect of the performance weighting coefficient on the result have been verified.The results show that the proposed method can realize the role adaptation and achieve the dual optimization goal of reducing the sum of the cooperator force and the robot’s Jerk.

Historical Transition of Gender Roles in China

This article delves into the intricate landscape of gender roles within China,employing a historical lens to dissect the evolution of these roles throughout key periods of Chinese societal transformation.The study centres on three pivotal epochs in contemporary China:the pre-liberation era(prior to 1949),the era of socialist construction(1949-1978),and the phase of economic reform(post-1978).Despite the undeniably persistent underpinning of traditional gender roles throughout history,this analysis offers insight into the essence of feminist movements-an ongoing struggle against the subjugation of women.While notable strides have been made in enhancing the status and rights of women in recent decades,it becomes evident that achieving genuine gender equality necessitates a more nuanced approach beyond the mere expansion of educational and occupational opportunities for women.True transformation mandates heightened awareness of gender inequality across all societal domains,catalysing collective participation in social initiatives by both genders.This article underscores the imperative of multifaceted engagement to drive meaningful and lasting shifts in gender dynamics.

Associations between residence and cognitive function among Chinese older adults: the mediating role of leisure activity

Background:Cognitive function is a current research hotspot,residence may be related to differences in cognitive function,and the mediating role of leisure activities are limited in Chinese research.This study used leisure activities as a mediating variable to investigate the mediating role of leisure activity between place of residence(city-town-rural)and cognitive function among Chinese older,this is where the innovation of the article comes in.Methods:Using cross-sectional data from the 2018 Chinese Longitudinal Healthy Longevity Survey,Pearson correlation analyses were employed to examine the relationships among various indicators.Mediation analyses were conducted using the SPSS PROCESS macro program,version 3.5,written by Hayes,to explore the mediating effects of leisure activity between place of residence and cognitive function in older adults.Results:A total of 10955 older adults were included in this study,with a mean age of(84.23±11.57)years.Among them,2739(24.8%)lived in the city,3627(33.1%)in town,and 4615(42.1%)in rural areas;their leisure activity score was(5.34±3.77),and their cognitive function score was(24.69±6.65).Place of residence,leisure activities,and cognitive function were significantly correlated(P<0.01).Using city as a reference,place of residence is negatively associated with cognitive function,and place of residence not only had a direct effect on cognitive function in older adults:town-cognitive function(effect=–0.399;95%confidence interval(CI)=(–0.685,–0.113));rural-cognitive function(effect=–0.42;95%CI=(–0.698,–0.141)).There were also indirect effects on cognitive function through the pathway of leisure activity:town-leisure activity-cognitive function(effect=–0.17;95%CI=(–0.246,–0.1)),rural-leisure activity-cognitive function(effect=–0.199;95%CI=(–0.272,–0.13)).Conclusion:Leisure activities play a partially mediating role between the impact of place of residence and cognitive function in Chinese older adults,and it is vital to pay attention to the impact of place of residence on the cognitive function of older adults in various aspects,and to increase the participation rate of older adults in leisure activities,which is beneficial to the prevention of cognitive decline and the protection of older adult’s physical and mental health.

Theoretical Analysis and Practical Reflection on the Role Conflict of Double-Qualified Teachers in University-Affiliated Hospitals

Taking role conflict as the starting point,this article examines and reflects on the development of clinical teachers.In the process of the occurrence,development,and resolution of role conflicts among clinical teachers,there are many hidden issues related to the development of clinical teachers.The development of clinical teacher teaching and role conflict management contain similar educational philosophies and practical issues.This study draws on classic theories and research achievements in the development of university teachers and conducts theoretical analysis and practical reflection on the development of clinical teachers in medical colleges from the perspective of role conflict in social psychology.Policy recommendations are proposed,including strengthening the construction of teaching systems at the hospital organizational environment level,enhancing the role identity and teacher beliefs of clinical teachers,promoting their teaching development and academic learning,and ensuring their normal teaching investment;promoting leadership support at the level of interpersonal interaction and leveraging the role of colleague support in alleviating role conflicts;enhancing individual teacher beliefs,teacher role learning,and role skills.

Change of Teachers' Roles in the Intensive Reading Class

This paper gives an account of characteristics of the intensive reading in English teaching, and change of teachers’ roles in the learner-centered teaching approach. Suggestions are put forward as to how to be a qualified teacher in the intensive reading class accordingly.

To be or not to be——College English teacher′s possible roles

Traditionally, in a teacher-centered class, students are deprived of right, for teachers take up the platform and play a “leading” role. What are the college English teacher′s possible roles? The paper tends to shed light on it by kicking the teacher′s traditional roles.

The Exploration of the Helpful Roles Teacher Can Play to Help non-English Major Students Improve Their English Writing

It is commonly known that writing is an advanced skill which is essential in language learning but at the same time the most difficult task for learners. This paper is with the aim to explore helpful roles that teacher can play to help non-English major students improve their English writing, so as to help improve their writing ability in the author's context.

College English Teachers' Roles in CAI

With continuing advances in technology, computer-assisted instruction provides opportunities for individualized, interactive instruction. The philosophy of constructivism has encouraged instructional designers to create less behavioral, more democratic programs that promote learner control. In the area of ESL (English as a second language), computers are seen to be a highly motivating, instructional tool.

The Roles of Teachers in English Teaching

The issue of improving the efficiency of college English teaching and learning has long puzzled our educators and English teachers.There are many ways to help the solving of the problem,but in China,where English is mainly taught in classroom,the teacher is a very important factor to influence the result of English teaching.In order to solve the problem,the teacher must know exactly what roles he should play in the process of teaching and make some changes in his old teaching methods.

The Roles of Countrywomen in Controlling Non-point Source Pollution

The main causes of non-point source pollution in Taihu Lake are the improper ways of crop production, animal husbandry, and daily runoff. The paper discusses the relationship between countrywomen and non-point source pollution control by 731 questionnaires in Weidu village and 466 questionnaires in Dapu Town. The roles of countrywomen have changed in families and they have close relationship with non-point source pollution. Furthermore, we discuss the possibility and methods of organizing countrywomen in non-point source pollution control.

Multifarious roles of carbon quantum dots in heterogeneous photocatalysis

As a new member of carbon material family, carbon quantum dots (CQDs) have attracted tremendous attentions for their potentials in the heterogeneous photocatalysis applications. Due to the unique microstructure and optical properties, the roles of CQDs played in the CQDs-based photocatalytic systems have been found to be diverse with the continuous researches in this regard. Herein, we provide a concise minireview to elaborate the multifarious roles of CQDs in photocatalysis, including photoelectron mediator and acceptor, photosensitizer, photocatalyst, reducing agent for metal salt, enhancing adsorption capacity and spectral converter. In addition, the perspectives on future research trends and challenges are proposed, which are anticipated to stimulate further research into this promising field on designing a variety of efficient CQDs-based photocatalysts for solar energy conversion. (C) 2016 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B. V. and Science Press. All rights reserved.

Study on the Roles of a Teacher in College English Teaching Mode Based on the Internet

With the rapid development of modern technology and all-round reform in national college English teaching,Internet-Based teaching mode has become a new trend of college English teaching.Therefore,in the new teaching mode,the teacher should turn an inculcator into an instructor,facilitator and participant in teaching;a passive user of textbook into a dominant and modeler of courses;a planner of teaching specific tasks into an organizer of teaching process,a helper and shepherd of learning knowledge.

Endoscopic ultrasound: Current roles and future directions

Endoscopic ultrasound(EUS), developed in the 1980 s, was initially predominantly used for guidance of fine needle aspiration; the last 25 years, however, have witnessed a major expansion of EUS to various applications, both diagnostic and therapeutic. EUS has become much more than a tool to differentiate different tissue densities;tissue can now be characterized in great detail using modalities such as elastography; the extent of tissue vascularity can now be learned with increasing precision. Using these various techniques, targets for biopsy can be precisely pinpointed. Upon reaching the target, tissue can then be examined microscopically in real-time, ensuring optimal targeting and diagnosis. This article provides a comprehensive review of the various current roles of EUS, including drainage of lesions, visualization and characterization of lesions, injection, surgery, and vascular intervention. With EUS technology continuing to develop exponentially, the article emphasizes the future directions of each modality.

Group Multi-Role Assignment With Conflicting Roles and Agents

Group role assignment(GRA)is originally a complex problem in role-based collaboration(RBC).The solution to GRA provides modelling techniques for more complex problems.GRA with constraints(GRA+)is categorized as a class of complex assignment problems.At present,there are few generally efficient solutions to this category of problems.Each special problem case requires a specific solution.Group multi-role assignment(GMRA)and GRA with conflicting agents on roles(GRACAR)are two problem cases in GRA+.The contributions of this paper include:1)The formalization of a new problem of GRA+,called group multi-role assignment with conflicting roles and agents(GMAC),which is an extension to the combination of GMRA and GRACAR;2)A practical solution based on an optimization platform;3)A sufficient condition,used in planning,for solving GMAC problems;and 4)A clear presentation of the benefits in avoiding conflicts when dealing with GMAC.The proposed methods are verified by experiments,simulations,proofs and analysis.

Exosomes-mediated tumor treatment: One body plays multiple roles

Exosomes are vesicles secreted by a variety of living cells,containing proteins,RNA and other components,which are nanoscale capsules commonly existed in the body.Exosomes play important roles in a variety of physiological and pathological processes by participating in material and information exchange between cells,which can playmultiple roles in tumor treatment.On the one hand,exosomes can be used as carriers and biomarkers,participate in the apoptosis signaling pathway and improve chemotherapy resistance,thus playing beneficial roles in tumor treatment.On the other hand,exosomes play unfavorable roles in tumor treatment.Tumor cell exosomes contain PD-L1,which is a nuclear weapon for tumor growth,metastasis,and immunosuppression.In addition,exosomes can not only promote the epithelial-mesenchymal transition process,tumor angiogenesis and chemoresistance,but also participate in the autocrine pathway.In this review,the multiple roles of exosomes and their prospects in the treatment of tumor were reviewed in detail.

Ensemble feature selection integrating elitist roles and quantum game model

To accelerate the selection process of feature subsets in the rough set theory （RST）, an ensemble elitist roles based quantum game （EERQG） algorithm is proposed for feature selec- tion. Firstly, the multilevel elitist roles based dynamics equilibrium strategy is established, and both immigration and emigration of elitists are able to be self-adaptive to balance between exploration and exploitation for feature selection. Secondly, the utility matrix of trust margins is introduced to the model of multilevel elitist roles to enhance various elitist roles＇ performance of searching the optimal feature subsets, and the win-win utility solutions for feature selec- tion can be attained. Meanwhile, a novel ensemble quantum game strategy is designed as an intriguing exhibiting structure to perfect the dynamics equilibrium of multilevel elitist roles. Finally, the en- semble manner of multilevel elitist roles is employed to achieve the global minimal feature subset, which will greatly improve the fea- sibility and effectiveness. Experiment results show the proposed EERQG algorithm has superiority compared to the existing feature selection algorithms.

Emerging roles of cardiolipin remodeling in mitochondrial dysfunction associated with diabetes,obesity,and cardiovascular diseases

Cardiolipin （CL） is a phospholipid exclusively localized in inner mitochondrial membrane where it is required for oxidative phosphorylation, ATP synthesis, and mitochondrial bioenergetics. The biological functions of CL are thought to depend on its acyl chain composition which is dominated by linoleic acids in metabolically active tissues. This unique feature is not derived from the de novo biosynthesis of CL, rather from a remodeling process that involves in phospholipases and transacylase/acyltransferase. The remodeling process is also believed to be responsible for generation of CL species that causes oxidative stress and mitochondrial dysfunction. CL is highly sensitive to oxidative damages by reactive oxygen species （ROS） due to its high content in polyunsaturated fatty acids and location near the site of ROS production. Consequently, pathological remodeling of CL has been implicated in the etiology of mitochondrial dysfunction commonly associated with diabetes, obesity, heart failure, neurodegeneration, and aging that are characterized by oxidative stress, CL deficiency, and abnormal CL species. This review summarizes recent progresses in molecular, enzymatic, lipidomic, and metabolic studies that support a critical regulatory role of pathological CL remodeling as a missing link between oxidative stress and mitochondrial dysfunction in metabolic diseases and aging.

Putative roles of cathepsin B in Alzheimer's disease pathology: the good, the bad, and the ugly in one?

Alzheimer＇s disease（AD）is a fatal progressive neurodegenerative disorder characterized by loss in memory,cognition,and executive function and activities of daily living.AD pathogenesis has been shown to involve loss of neurons and synapses,cholinergic deficits,amyloid-beta protein（Aβ）deposition,tau protein hyperphosphorylation, and neuroinflammation.

Beneficial roles silicon plays in agriculture

Silicon（Si）,asecondmostabundantelementinsoil,is nonessential but beneficial for higher plants.Silicon addition can result in improved plant growth, yield and quality.Indeed, application of Si fertilizer is a rather common agricultural practice in many countries and regions, especially in Southeast Asian countries.