Yanchun Zhu

• Beijing Normal University

During public health crises, the investigation into the modes of public emotional contagion assumes paramount theoretical importance and has significant implications for refining epidemic strategies. Prior research predominantly emphasized the antecedents and aftermath of emotions, especially those of a negative nature. The interplay between positi...

Complex mechanisms exist between public risk perception, emotions, and coping behaviors during health emergencies. To unravel the relationship between these three phenomena, a meta-analytic approach was employed in this study. Using Comprehensive Meta-Analysis 3.0, 81 papers were analyzed after selection. The results of the meta-analysis showed tha...

Objectives: From the perspective of media framing, this paper explores how factual frame and influence frame affect the cognition of vaccine effectiveness among Chinese netizens, and how emotions vary in the process and act on the cognition. Methods: We first discuss the theoretical framework and propose hypotheses. Drawing on the cognitive theory...

The tubular-shaped unicellular extensions of plant epidermal cells known as root hairs are important components of plant roots and play crucial roles in absorbing nutrients and water and in responding to stress. The growth and development of root hair include, mainly, fate determination of root hair cells, root hair initiation, and root hair elonga...

Rice (Oryza sativa L.) is one of the most important food crops, feeding half of the world’s population. However, rice production is affected by cadmium (Cd) toxicity. Due to an increase in Cd-contaminated soil and rice grains, and the serious harm to human health from Cd, research on Cd uptake, transport and resistance in rice has been widely condu...

In the Web 2.0 era, governments are facing the challenge of analyzing the emotional tendency of online public opinion during emergencies to regulate people’s emotions more effectively and maintain social stability. When dealing with large-scale short, unordered texts and extracting text features, the existing studies often face the problem of spars...

Emojis are increasingly used in online communication and expression, however, most previous studies have focused on describing this phenomenon, but less on how it affects interpersonal trust relationships. Therefore, this study examines the effect of emojis on online interpersonal trust among college students through three experiments. A total of 6...

Drawing on theories of social network and knowledge absorption, this paper examines the direct influence of returnee faculty members (RFMs) over college research performance (CRP) from three aspects, namely, the intensity of cooperative relationship (ICR), research influence (RI), and acquisition capability of heterogeneous knowledge (ACHK). In add...

This paper studies the online teaching practices carried out in universities during the Covid-19 epidemic. This study, through interviews, questionnaires, and model construction, finds: 1) the number of learning sessions designed by teachers, teaching methods, problems encountered in conducting online teaching, class interactions are all significan...

The phytohormones ethylene and jasmonate play important roles in the adaption of rice plants to salt stress. However, the molecular interactions between ethylene and jasmonate on rice seminal root growth under salt stress is unknown. In this study, effects of NaCl on the homeostasis of ethylene and jasmonate and on the rice seminal root growth were...

Background: Emergencies and their associated negative emotions have a great effect on public health. As a key part of the emergency management, government information release (GIR) not only meets the public's health information seeking, but also helps to eliminate the breeding and spreading of negative social emotions. Method: From the two aspects...

Rice grain yield is a complex trait determined by three components: panicle number, grain number per panicle (GNPP) and grain weight. GNPP is the major contributor to grain yield and is crucial for its improvement. GNPP is determined by a series of physiological and biochemical steps, including inflorescence development, formation of rachis branche...

Clean heating renovation is important for optimizing the regional energy structure and improving the quality of the atmospheric environment in Northern China. According to survey data of 1298 rural households in the “coal-to-gas” reform in Hengshui of Hebei Province, in this paper, we construct a clean heating subsidy model which focuses on clean h...

Rice (Oryza sativa L.) seedlings grown under nitrogen (N) deficiency conditions show a foraging response characterized by increased root length. However, the mechanism underlying this developmental plasticity is still poorly understood. In this study, the mechanism by which N deficiency influences rice seminal root growth was investigated. The resu...

Cytokinins (CKs), a class of phytohormone, regulate root growth in a dose-dependent manner. A certain threshold content of CK is required for rapid root growth, but supraoptimal CK content inhibits root growth, and the mechanism of this inhibition remains unclear in rice. In this study, treatments of lovastatin (an inhibitor of CK biosynthesis) and...

Purpose Due to the increasing demand for public services, as a new form of public governance, e-participation has emerged. Scholars from various disciplines have published plenty of research results on e-participation. This paper aims to reveal the research status frontiers directly by mapping knowledge domains. Design/methodology/approach The aut...

With the deepening of higher education reform in China, the disjunction between teaching and research is becoming more and more serious. How to actively construct the coordination mechanism of teaching and research has become a constant concern of education researchers and practitioners. The existing research have constructed the evaluation models...

The promotion of new teaching models like MOOC and SPOC has spurred an exponential growth in the amount of teaching resources. However, the current university education system fails to respond to the changing scenario. The curriculum teaching is in lack of penitence, timeliness, advanced methods and diverse evaluation means. Against this backdrop,...

Due to the increasing demand for public services, as a new form of public governance, e-participation has emerged. Mapping knowledge domains can directly reveal the research status and frontiers. We take 1322 articles on e-participation published in Web of Science from 2001 to 2017 as research object. Then run the information visualization software...

The development of information technology has a positive influence over distance education. For instance, it gives birth to E-learning, a novel and convenient mode of online learning. However, the existing E-learning platforms are often in need of heavy infrastructural investment. To solve the problem, this paper introduces the architecture of elas...

Minimizing risk in partner selection are the key problems to overcome in VE, in order to ensure success. Due to the dynamic nature of these collaborations, exploitation of trust is essential to support the formation of VEs. There is critical need for novel approaches suited to this environment for partner selection and coordination among them. Howe...

Based on the Asia-Pacific stock index data during the financial crisis period and the stable period, this paper performed a comparative study on the evolution of Asia-Pacific stock markets network structure from the macro and micro perspective. The results show that the Asia-Pacific stock index networks in these two periods both present the small-w...

As the new platform in e-commerce, online reviews change the purchase means of Internet consumers. Therefore, it is important to analyze the influence of online reviews on consumer purchase decisions in order to enhance the penetration ratio of Internet consumers in internet users of China. To further verify whether the product's average scores can...

As the number of shoppers in C2C sites is rapidly growing in China, online customers may suffer from online fraud. The feedback reputation system has been used to prevent abusing behavior and secure transaction. However, large numbers of fraudsters manipulated their feedback scores by engaging in a number of legitimate sales. Furthermore, there exi...

This study proposed a novel model of FCM based on activation. As for the causal inference process of a traditional FCM system, there exists the limitation of multiple computing. This paper presented an effective approach to address the problem that one node is multiple activated repeatedly. The proposed method will simplify the causal inference pro...

This paper presented an approach for trust computing using fuzzy cognitive map and D-S evidence reasoning theory. As fuzzy inference can deal with variable dependencies in the system by decoupling dependable variables, FCM provides an efficient way to trust deducing, and also the difficulty and complexity of trust computing. The approach of DS evid...

Trust is widely recognized as a vital requirement for effective virtual enterprises. However, there exists the requirement for a comprehensive and integrated view on trust in the VEs settings. This paper introduces the theory of Fuzzy Cognitive Time Maps (FCTMs) into modeling and evaluating trust relationships and shows how relevant is the inter-or...

This study develops an integrated view that may address interfirm trust formation and maintenance, which builds a cognitive model using the theory of fuzzy cognitive maps (FCMs) to show how the interfirm trust is evolved. The complexity natures of trust require use of soft computing modeling techniques. The proposed approach takes dynamic nature of...

This paper integrates QoS to trust model. An approach for trust computing using FCMs and D-S evidence theory are presented. Compared with existing models, our model has some main features. First, it eliminates malicious recommendation by considering QoS. Second, As fuzzy inference can deal with variable dependencies in the system by decoupling depe...

The methodology of developing fuzzy cognitive map (FCM) still exhibited weaknesses. This paper investigated a hybrid framework for learning FCM, which was combined of the real-coded genetic (RCGA) algorithm and nonlinear Hebbian learning (NHL) algorithm. This approach combined the synergistic theories of neural networks and fuzzy logic. The hybrid...

The increasing popularity of resource exchange through peer-to-peer networks has encouraged the development of ways to support distributed and heterogeneous enterprise computing. Unfortunately, the prospect of distrust attracts agents seeking to weaken the network by propagating fraud and bad services, that is, establish the trust mechanism of the...