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The purpose of this study is to explore the categories of leader traits, their generation and their relationships in leaders’ socialization.

The authors take the case study method, which is the most suitable method to answer research questions on why and how to fulfill the study purpose on the basis of the case of Ruimin Zhang.

Leader traits are classified into four categories with respect to socialization, namely, root trait, driving trait, thinking trait and affair trait. The root trait and the driving trait form from the leader’s insight with the impact of key events, mutually promote and consolidate each other, and together derive the thinking trait and the affair trait on the basis of critical events, culture, family, education, etc. The thinking trait is the premise of the affair trait to be expressed in leadership behavior. The root trait and the driving trait together determine a leader’s growth direction and efficiency and can distinguish leaders from non-leaders. The thinking trait and the affair trait together determine the pattern and effectiveness of leadership behavior and can distinguish effective leadership from ineffective leadership.

This study transcends prior integral leader trait research by categorizing leader traits from the socialization perspective, makes a clear delineation on the interrelationships among categories of leader traits, analyzes their holistic functions on the leaders, reveals the formation and relationship mechanism of leader traits and identifies the types of leader traits that can work as the standards for distinguishing effective leaders from ineffective leaders or non-leaders.

This study promotes the development of the leader trait theory in the classification, formations, relationships and overall effect of leader traits.

The purpose of this paper is to examine how a Chinese entrepreneur, Zhang Yin, exercises international entrepreneurship in her paper recycle business – Nine Dragons Paper company, and has become one of the most successful female business women in the world.

The paper uses an in‐depth case study or storytelling approach to explain the economic success of a Chinese female entrepreneur, Zhang Yin and her Nine Dragons Paper company. The illustration of Zhang's global coordination is divided into three parts: first, from Shenzhen, China to Hong Kong; second, from Hong Kong to Los Angeles; and finally, from the USA back to her home country, China.

This case illustrates and concludes that the business success of a paper recycling enterprise, namely Nine Dragons Paper, is attributable to the global coordination efforts of its founder, Zhang Yin, who is able to identify profit opportunities around the globe. With correct foresight, Zhang Yin is able to overcome cultural barriers, and venture into foreign markets. Her international entrepreneurship and global coordination enable world resources to be allocated in the most efficient way.

Austrian economics, using storytelling approach, can be a very useful tool in interpreting entrepreneurial behavior and business strategies.

The case provides us with an understanding of how the entrepreneur can earn profit by being alert to opportunities.

The case is the first of its kind to illustrate the international coordination function of a female Chinese entrepreneur and her paper recycle business.

In China, the clothing industry, featured by labor-intensive operation and low added value, is facing a major challenge, namely how to change the pattern of China's clothing industry by means of technology, innovation, originality and so on, and mitigate inventory pressure. The Red Collar Group presented in this case not only realizes zero inventory, but also achieves a year-on-year growth of more than 150% of annual sales in 2015. All of this can be attributed to the Internet zero inventory and customization model which took 10 years to build up: Using new information technology, collect personalized and fragmented customer needs, and design a production module involving business process reengineering and IT/IS integration…

Social media usage, especially social networking sites (SNSs), such as Facebook, Instagram, TikTok, Twitter, WhatsApp, YouTube, and LinkedIn provide lots of benefits to their users, including fun, information from significant others, and a distraction from real-life problems. In parallel, the authors see that there are also negative consequences, such as stress when using SNS. In 2012, research started to talk about SNS-use stress as a specific form of technostress. Since that early study, 62 articles have been published in peer-reviewed outlets that explain why SNS-users perceive stress. Our literature review uses the transactional model of stress to integrate these articles to propose a transactional model of SNS-use stress. The model indicates social and technical SNS-stressors that trigger psychological, physiological, and behavioural reactions, named SNS-strains. Our findings suggest there are more social SNS-stressors than technical ones. In terms of SNS-strain, research has mainly focussed on psychological, e.g. exhaustion or dissatisfaction, and behavioural, e.g. discontinuous usage intention or distraction, SNS-strains. Based on those results, the authors identify research gaps and provide implications for research, SNS-users, SNS-providers, organisations, and parents. With that, the authors aim to provide a conceptual summary of the past and, simultaneously, a starting point for further research.

Due to social transformation in China, more than 100,000,000 people are migrating within the country. Many parents are forced to leave their children behind when they migrate. In 2008, 58,000,000 children were living as left‐behind children, mainly in the rural parts of China (Zhang, 2009).Migration and its accompanying stressors may affect the mental health of the left‐behind children. This unique literature review of Chinese literature summarises the present state of knowledge and reviews the influential factors. Possible approaches to intervention and system reforms are discussed.A literature review was performed of published studies between 2001 and 2008. Databases used were Fujian Medical University Library Interface, Chinese National Knowledge Infrastructure, Wanfang Data, and VIP Information. The Chinese word for ‘left‐behind’ was used as a key word. Books, book chapters, monographs and studies on caring were searched electronically and by hand. Altogether, 53 items were found, discussed and grouped together. Migration affected the mental health of the left‐behind children in a passive way, especially their emotions and social behaviour.There is still controversy over how serious mental health problems are among children who have been left behind. Life events, personality, coping strategies and social suppor t can be regarded as four main factors that are predictive of mental health, which provides theoretical guidance for intervention. Suppor t and prevention of mental health problems in schools, in families and in primary care should be developed and studied.

The purpose of this study is to design a more flexible and larger range of the dimming circuit that achieves the independence of multiple LED strings drive and can time-multiplex the power circuit.

The state-space method is used to model the BUCK circuit working in Pseudo continuous conduction mode, analyze the frequency characteristics of the system transfer function and design the compensation network. Build a simulation platform on the Orcad PSPICE platform and verify the function of the designed circuit through the simulation results. Use Altium Designer 16 to draw the printed circuit board, complete the welding of various components and use the oscilloscope, direct current (DC) power supply and a signal generator to verify the circuit function.

A prototype of the proposed LED driver is fabricated and tested. The measurement results show that the switching frequency can be increased to 1 MHz, Power inductance is 2.2 µH, which is smaller than current research. The dimming ratio can be set from 10% to 100%. The proposed LED driver can output more than 48 W and achieve a peak conversion efficiency of 91%.

The proposed LED driver adopts pulse width modulation (PWM) dimming at a lower dimming ratio and adopts DC dimming at a larger dimming ratio to realize switching PWM dimming to analog dimming. The control strategy can be more precise and have a wide range of dimming.