bluuebunny/crossref_metadata_2025 huggingface dataset:
Structural and dynamical properties of sperrylite (PtAs2): a molecular dynamics study
Authors: Ntobeng Segoarihle , Mehlape Mofuti , Mkhonto Peace , Ngoepe Phuti
Published: December 2023

There is a demand for platinum group minerals (PGMs) due to the increase in various applications such as electronics, industrial and medical. Sperrylite (PtAs2) is one of the major PGMs, however its recovery by flotation has been reported to be poor. The understanding of bulk properties of PtAs2 is still necessary for the recovery of minerals from ore deposits. The structural and dynamical properties of the PtAs2 are investigated using a computational modelling technique, i.e. molecular dynamics (MD). An accurate MD simulation requires the availability of robust interatomic potentials. In this article, the refined potential model was able to reproduce the lattice parameters and elastic properties, which are in good agreement with those from literature. Furthermore, the potential model was able to predict the melting point of PtAs2 at higher temperatures.
First-principles study on the effect of Ni addition on the stability of B2 Ti50Ru50 – a supercell approach
Authors: Ngobe Bongani , Molepo Mahlaga , Phasha Maje
Published: December 2023

Shape memory alloys (SMA's) are a special kind of metal alloys with unique structural properties, such as shape memory effect (SME) and pseudo-elasticity (SE) that were well-observed in TiNi alloy, which commercially trades as Nitinol. This polymorphic crystal behaviour arose from the reversible phase transition between an ordered high-temperature B2 and low-temperature martensite phase (L10/B19/B19′). Due to the high ductility of Ru, this work employed a supercell approach to track the effect of nickel addition on highly stable B2-Ti50Ru50 with the intent to stimulate SME. Thermodynamic, mechanical, electronic structure and lattice dynamic characteristics were estimated using first-principles calculations. The phonons spectra of B2 Ti50Ru50 consisted of only positive frequencies, but the addition of Ni above 18.75 at. % resulted in positive and negative frequencies, indicative of a possible martensitic transformation, which is a strong character for SME.
Stability of NaO2 and LiO2 discharge products in metal-air batteries: density functional theory study
Authors: Ramogayana Brian , Maenetja Khomotso P. , Ngoepe Phuti E.
Published: December 2023

Rechargeable metal-air batteries are considered the next generation energy storage devices with the highest energy density of ~200 Wh/kg (which is much higher than the Li-ion batteries with ~150 Wh/kg). However, their practical applications are widely affected by the formation of unstable discharge products (like Na/LiO2, Na/Li2O, and Na/LiO) which react with electrolyte or the porous electrode material leading to either fire or explosion. Here, we explore the stability of the bulk pyrite and marcasite lithium/sodium superoxide (Li/NaO2) discharge products produced in Li and Na-air batteries using density functional theory calculations. The calculated lattice and heats of formations are consistent with available reported data. The electronic properties of show the Pnmm LiO2 as the most stable structure with the least density of states at the Fermi. The vibrational properties also show no imaginary vibrations in all directions for Pnmm LiO2. This finding can help direct and give an insight into the stability of major discharge products and give research direction towards controlling the formation of desired M-O discharge products in the batteries.
Investigation of the corrosion behaviour of TiC/Ti6Al4V manufactured through laser additive manufacturing
Authors: Kgomo Hosia , Masina Bathusile , Lekoadi Paul , Mathoho Ipfi , Pesha Thabo , Sibisi Thabiso , Mulaudzi Vusimusi
Published: December 2023

This research study focuses on investigating of the corrosion response of TiC/Ti6Al4V composite manufactured by laser additive manufacturing. Corrosion tests for TiC/Ti6Al4V were carried out with 3.5% of NaCl solution at room temperature 25ºC (remaining constant) and varying the time. Corrosion test results were used to obtain the Tafel plot graph, which determined the corrosion potential and current density of TiC/Ti6Al4V. Scanning electron microscopy (SEM) was used to analyse the microstructure of the material and X-ray diffraction (XRD) was used for phase analysis of the material. Comparison studies were done on the corrosion behaviour of TiC/Ti6Al4V and Ti6Al4V. TiC/Ti6Al4V showed better corrosion resistance than Ti6Al4V
Ethical guidelines for using bioprinting for humans
Authors: Lategan Laetus O.K. , van der Merwe André F.
Published: December 2023

This paper’s focus is the identification of ethical guidelines for bioprinting for humans in addition to existing bioethical principles and guidelines. The literature review explores the definitions for additive manufacturing and bioprinting and the application extent of these technologies. From this review, ethical challenges were identified and discussed. The purpose of the paper is to guide scientific research, practitioners, and relevant healthcare workers through various ethical viewpoints, and to point out the consequence and effects when applying newly discovered technology. Due to the complexity of bioprinting, additional guidelines were identified to cover the scope of bioprinting in bioethics. Consequently, four sets of ethical guidelines for decision-making in bioprinting were identified with person-centred ethics at the core of these sets.
Attitudes toward future motherhood among female college students in Fukushima Prefecture at seven years after the Fukushima Daiichi Nuclear Power Plant accident
Authors: Ito S. , Okabe S. , Goto A.
Published: December 2023

This study aimed to clarify factors related to confidence in future childbirth and infant care in regard to radiation exposure at 4 and 7 yr after the Fukushima Daiichi Nuclear Power Plant disaster. A survey was conducted on 310 female college students in Fukushima Prefecture, Japan, in December 2015, and readministered to 275 students in November 2018. The analysis included 309 patients from 2015 and 253 from 2018. The Fukushima Future Parents Attitude Measure was used to assess attitudes about future childbirth and infant care in regard to radiation exposure. The results indicated that attitudes toward future childbirth were significantly influenced by self-esteem (β = –0.22), advice about radiation (β = 0.19), concerns about radiation effects on a future partner (β = –0.18), and college-related stress (β = 0.20). Moreover, attitudes toward infant care were influenced by self-esteem (β = –0.22) and perception of the genetic risks of radiation (β = –0.17). Therefore, to improve confidence in future childbirth and infant care among female college students in Fukushima, it is important to enhance self-esteem, reduce college-related stress, and create an environment where female college students feel comfortable discussing radiation concerns with experts and each other.
A study of social mobility under the Imperial Examination System in Qing Dynasty based on Bourdieur’s theories
Authors: Chen Zerui , Li Wei , Zhan Guo
Published: December 2023

The Imperial Examination System was the main means of selecting officials in ancient China, and was therefore seen as the main means of upward social mobility between classes. The main objective of this study is to examine the extent of social mobility among classes in the Qing dynasty through the imperial examination, based on Bourdieu’s theory, and through indirect research methods such as comparative literature analysis, and to analyse the social and cultural outcomes of the imperial examination system, as well as its impact on the cohesion, values, and traditional norms of these classes and societies. The study concludes that despite the various reforms that the imperial examination system underwent during its existence, it failed to promote social mobility. This was due to the fact that the ruling class used the imperial examination system to consolidate their rule by strictly controlling the selection of talents and opportunities for class mobility. As a result, the imperial examination system led to institutional and social ideological rigidity.
Tudor queenship: Rethinking how power affect Catherine of Aragon and Elizabeth I with foucauldian theories from a feminist perspective
Authors: Zhang Jin
Published: December 2023

In the annals of English history, the Tudor Dynasty is one of the most captivating eras. Within this dynastic tapestry, few women figures have left as indelible mark as Catherine of Aragon, the first wife of King Henry VIII, and the Virgin Queen---Elizabeth I. One that steps into the sphere of marriage and reproduction, facing the conflict of showing political talent and being the beloved wife of King Henry VIII. The other, a consistent formal dominant of England, remained a virgin throughout her life. Although they had slightly different monarchical roles, they faced similar challenges to the power structure in medieval Tudor. Thus, it is valuable to examine their roles by reconsidering the relations between gender, power, and monarchy. Also, examining how they survive and resist while maximizing their autonomy of power could provide a novel insight into the collaboration of the study of gender history and sociology. This essay attempts historical sociology to scrutinize the role of their queenship in the centre of the patriarchal and monarchical domain of the House of Tudors. There is a notable surge in applying Michel Foucault’s approach to theories of power in gender study by feminists. One of the aims of this research is to fill the vacancy of application of Foucault’s theories into medieval history as well. It aims to investigate the category of gender and its symbolism concerning queenship in the historical period. Most importantly, to redefine, reclaim, and re-evaluate the meanings and values of women figures throughout the traditional historiographical pattern of queenship, which the male chronological historians have largely created at the time. It is found that the two queenships sprouse comprehensive sociological meanings of a parallel considerdation of gender, power and body in such particular political spectrum of monarchial field.
Investigate the impact of media on public understanding of health and medical science in China
Authors: Yang Jianing
Published: December 2023

In the rapidly developing digital age, media has become an influential aspect of human existence, particularly in shaping perceptions of health and medical science. This is evident in China’s experience during COVID-19, highlighting the media’s power in health science communication. Media bridges the gap between scientists and the public, yet also holds the potential for misinformation and pseudoscience. This study explores the impact of media on health science understanding in China, using existing literature to assess its advantages and disadvantages. This study reveals that media effectively enhances public health knowledge through rapid dissemination speed, broad audience reach, and systematic public surveillance. However, its drawbacks are noteworthy. Media’s rapid spread can accelerate the spread of misinformation and rumours, causing panic and psychological distress among the public and harming individuals’ privacy and personal rights. This study underscores the media’s dual role in influencing health science understanding in China, emphasising that future research is worth exploring whether this shift will lead to increased pressures on public management and social cohesion.
Analyzing the interaction of China-Japan economic, trade, and political relations in the 1990s
Authors: Li Heyi
Published: December 2023

This paper takes the China-Japan relations in the 1990s as the object of study, and through analyzing the historical situation of the two countries in the 1990s, it explores the interplay between the economic factors and political relations between China and Japan. Based on the state of China-Japan economic and political relations in the 1990s, this study analyzes the differences between Japan and China in the 1990s based on data and historical facts, and from the perspective of the political and economic development of Japan and China in the 1990s. At the same time, this study analyzes specific instances of ODA loan freezes and extensions triggered by political frictions between China and Japan based on data and historical facts, etc., to clarify the link between the two countries’ economic and political aspects preliminarily. This study concludes that the economic and political relations between China and Japan are mutually influential and cannot be discussed only based on the influence of one side on the other, but should fully consider the combination of the two.
Teachers’ Approaches to Facilitating Positive Peer Relationships for Students with Disabilities
Authors: Li Sifan
Published: December 2023

The development of social openness enables the educational needs of people with disabilities and their right to equal education to be progressively emphasized. More and more students with disabilities started to study in the same class as typically developed students. However, how to help them develop and maintain a positive relationship with peers can be challenging for educators since there exist certain challenges between them in becoming friends. In that case, this paper based on the environment of inclusive education briefly analyzed the benefits of inclusive education and figured out the potential challenges that children with disabilities can face when getting along with typically developed students in the inclusive classroom from both internal and external perspectives. Based on that, the core research question is to help teachers with different roles in an inclusive classroom to find ways of help students with disabilities maintain a positive relationship with other typically developed children to ensure the right of children with all situations are able to receive the same level of education, enjoy the same friendship and help them better adapt into the society in the future life. The meaning of this review is practical which provides educators with approaches to helping children with disabilities and leads to further thinking for researchers about other strategies to help them and offer them a growing-up environment as comfortable as typically developed students. Future research is expected to focus more on the development, well-being and rights of children with disabilities.
The Impact of Single-parent Families on Children’s Externalizing Behaviour
Authors: Fu Yixuan
Published: December 2023

The article discusses the impact of the increasing divorce rate in China on the prevalence of single-parent families and its influence on the development of children. Children from single-parent families often face challenges due to the incomplete family structure, leading to external behavior problems during adolescence. The article aims to provide a comprehensive review of previous research and examine the implications of single-parent families on adolescent external behavior. It explores the reasons behind behavior problems in these children, including family dynamics, economic circumstances, and societal influences. These factors include the absence of companionship and conflicts between parents at the family level, prejudice against single-parent families and negative social norms at the societal level, and economic constraints leading to materialistic desires. To address these issues and their underlying causes, the article suggests several solutions. For example, social institutions should enhance their supervision of minors, combat prejudice against children from single-parent families, and provide financial support to alleviate economic challenges. Efforts should also be made to improve educational resources. In conclusion, the article aims to enhance the external behavior and overall development of adolescents from single-parent families. By addressing the root causes of behavior problems and implementing practical solutions, it is expected that the well-being and positive outcomes of children from single-parent households can be significantly improved. Future research requires a comprehensive exploration of this topic.
The Influence of Social Media on Adolescent Sleeping Duration and Quality
Authors: Liu Ruotong
Published: December 2023

This review will seek to investigate whether social media has an influence on sleeping duration and quality, and to what extent social media effect residents especially teenagers’ sleeping. An increasing number of studies have found out that the time students spend in social media is rising dramatically due to the necessary use, the fear of missing out and the desire to talk and share something with others. Consequently, plenty of people use social media no matter it is necessary or not and they would probably check their social media account frequently at night since missing something can make them feel embarrassed, so the use of social media has already left a deep influence on certain group of teenagers and also some young adults. Nevertheless, if people take the advantages of social media, and use it in the right way under great self-discipline. it is profoundly convenient and practical for individuals and have no negative effect on sleeping duration and quality.
Factors Influencing the Formation of Antisocial Personality Disorder and Intervention Measures
Authors: Zhang Wanlin
Published: December 2023

With the improvement of people’s material living standards, people’s attention to health has expanded from the original physical level to the psychological level. Since entering the 21st century, people have more and more problems on the psychological level. Normally, people with mental illnesses such as depression and anxiety only harm themselves, but for people with antisocial personality disorder, they affect not only themselves, but the whole society. In order to alleviate the social problems caused by antisocial personality disorder, it is necessary to understand the causes of the formation of antisocial personality disorder and formulate corresponding countermeasures according to these reasons. At present, there are many researches on ASPD, and the research content of this paper is to comprehensively elaborate the literature content on ASPD, and then get a general understanding of the formation and solution of ASPD. Based on the analysis of previous literatures on ASPD, and combined with the current social reality, this paper discusses the causes and countermeasures of ASPD. This study finds that the main causes of ASPD in adolescents are childhood trauma, physical problems, and the overall social environment. As for the solution, there are mainly empathy training and psychological nursing intervention. Based on this study, the final conclusion is that people should pay attention to the growth process of adolescents, create a more favorable growth environment for adolescents, and provide training and nursing treatment support for adolescents who have ASPD.
The Relationship between Parenting Style and Mental Health: The Mediating Role of Psychological Resilience
Authors: Sun Ziyi
Published: December 2023

Adolescent’s mental health is a hot topic of research in the field of mental health, which is related to the healthy growth of adolescent individuals. There are many factors affecting adolescent’s mental health. The present study looks at two aspects of family parenting styles and psychological resilience to analyse the relationship between family parenting styles, psychological resilience and adolescent’s mental health. The purpose of this paper it to supplement the gaps in previous studies and provide a basis for improving the level of adolescent mental health. This paper is analysed through the method of literature review, and the conclusions of the study are as follows: parenting style is an important factor in the formation of adolescents’ high level of psychological resilience ability. Different parenting styles will have different impacts on adolescent mental health. Psychological resilience significantly affects adolescents’ mental health, and psychological resilience partially mediates the relationship between parenting styles and adolescents’ mental health.
The Affection of Intimate Relationship Towards Anxiety and Depression
Authors: Zhao Sien
Published: December 2023

Intimate relationships and depression are among the most pivot topics worldwide. It is closely related to all of the people around us. Researchers found less bullying and unfair treatment of female characters now. Nevertheless, there are still problems happening. So, the severe problem after bullying comes up is symptoms like depression and anxiety—the correlation between intimate relationships and these symptoms is still a lack of cognition. So, this study need to find out to what extent intimate relationships have a positive or negative effect on anxiety and depression symptoms. This article collected data from different studies and essays and looked for patterns in the results to see the correlation between intimate relationships and depression. The result shows that in rural areas, where people lack education, there is a higher chance of domestic violence and depression symptoms, leading to consequences like divorce. Also, when people see female characters getting unfair treatment when they are young, they are more likely to learn violence and do it to others, imitating what they saw in the past.
The Factors Contributing to Children’s Gender Cognitive Development
Authors: Huang Songya
Published: December 2023

Gender topic has been discussed fiercely nowadays. In the more and more inclusive society with various identities about gender, there are also many conventional beliefs like gender stereotypes, which are likely to bring an abundance of social problems, especially for children, as they influence their multiple development. This paper aims to review previous studies and illustrates the factors contributing to children’s gender cognitive development (from family and school), which will be discussed mainly focusing on gender identity and gender stereotypes. As families (especially parents) and schools (especially teachers) play a fundamental role in children’s cognitive development, the factors are mainly divided into three aspects, including the parents’ education ideas, parents’ sexual orientations, and the teachers’ gender attitudes at school. The most key conclusion is that for parents and teachers with stronger gender stereotypes, children will form stronger gender stereotypes and more traditional gender identity in their gender cognition. The paper also provides suggestions for parents, teachers, and schools.
The impact of Domestic Violence on Children’s Psychology and Self-cognition
Authors: Shen Zihao , Xu Yumin
Published: December 2023

Domestic violence has become an issue of high social concern, mainly focusing on the impact and solutions to domestic violence in intimate relationships. This article mainly focuses on the psychological impact of children witnessing or experiencing domestic violence. It studies from many aspects, mainly on children. The psychological impact on academic performance and self-esteem is also analyzed, and it is also analyzed that children are very likely to engage in violent behavior in the future. This article collects data ranging from the number of children experiencing domestic violence to data analysis of youth violence. This article ultimately believes that domestic violence has a great impact on children’s personality, psychology, and academic performance, and not only affects the child’s personal psychology. Such children will have a high chance of subconsciously imitating their parents’ intimate sexual relationships when they grow up. Violent behavior will form a vicious cycle of violence, which will also be a huge hidden danger to society. Therefore, paying attention to and actively mitigating domestic violence will also alleviate children’s psychological problems and health problems.
A Review of the Relationship Between Parenting Styles and Adolescent Depression under the Influence of Chinese and American Culture
Authors: Li Jiaqi , Tan Yunzhuo
Published: December 2023

The probability of depression in contemporary adolescents is increasing, and the parenting style is closely related to it. Chinese and American scholars have conducted a lot of experiments and research discussions based on their own national conditions, but there is still a lack of comprehensive papers to compare and analyze the research conclusions of the two countries. The purpose of this study is to make a comparative analysis of the relevant research results on the influence of parenting styles on adolescent depression under Chinese and American culture, and to summarize the similarities and differences between Chinese and American parenting styles on adolescent depression. The study found that Chinese and American teens were also at greater risk for depression; In terms of the correlation between parental rearing style and adolescent depression, there is a significant correlation between the variables both in China and the United States; Parents of depressed adolescents in both China and the United States showed excessive use of harsh punishment, interference, denial, and overprotection. At the same time, the emphases and attitudes of depression related research in China and the United States are different.
Research on the Status Quo of Female Gender Discrimination
Authors: Zhou Linqi
Published: December 2023

Discrimination against women still exists around the world, and it will not disappear due to a country’s level of development. A woman always endures various forms of discrimination throughout her life, and the path to achieving gender equality still faces various twists and turns. This study provides detailed examples and explanations of the current situation of discrimination against women of various age groups, and analyzes the reasons for gender discrimination. The results of this study indicate that women from all over the world, regardless of race, social status, or status, are more or less exposed to gender discrimination at some stage of their lives. Humans all have an obligation to do our best to improve this situation, so that women’s issues are given attention and attention in society, and more people are aware of the importance and severity of gender equality and discrimination issues. At the same time, it is also necessary for the government and the state to assist women, such as formulating relevant laws and implementing effective measures.
Impact of attachment style and school bullying
Authors: Huang Jingtai
Published: December 2023

Bullying, a form of violence, inflicts profound psychological imapct, especially on high school students. The present study examines the impact of attachment relationships and school bullying, shedding light on the influencing mechanism between the two variables. Attachment theory, pioneered by John Bowlby, reveals that attachment relationships are innate and crucial for human development. It influences not only childhood interactions but also lifelong behaviors. Attachment styles include secure, anxious-avoidant, and anxious-resistant, which can persist into adulthood. School bullying is characterized by repetitive and harmful verbal or physical violence behaviors. Victims often experience suffer from decreased social functioning, emotional distress, and learning disability. Attachment styles can transform from childhood to adulthood, impacting relationships and emotional regulation. Securely attached individuals tend to fare better in handling negative emotions, while insecure attachment may lead to mental health issues. The impact of school bullying is far-reaching, affecting victims’ mental health and academic performance. The influencing mechanism between attachment style and school bully still need further empirical study.
The role of peer relationships in adolescents’ psychological well-being
Authors: Liu Yawen
Published: December 2023

As a crucial period of development, adolescence builds the foundation of how a person would become. Peer relationship is considered to be a vital part of adolescents’ interpersonal relationships, which naturally contributes to shaping a psychological well-being for them. This review primarily pays attention to the role played by peer relationship. Peer relationship serves as a shaping factor of adolescents’ behaviors as adolescents tend to mirror how their peers behave. Meanwhile, peer relationship can work with adult support, such as teacher relationships and parental relationships, and thus benefit adolescents’ psychological well-being in a further way. Moreover, gender difference should not be neglected when discussing the role played by peer relationship in the psychological well-being of adolescents. In respect of the influence of stressful life events, girls’ peer relationship quality is more affected than boys’ is. Concerns about this review may be that not enough studies on the field of adolescents’ psychological well-being are reviewed and different results may thus not be considered. For future research, the role of peer relationship in other age groups’ psychological well-being (middle-aged and elderly) can be studied.
From liberal to intersectional: Reframing feminism advocacy
Authors: Li Yige
Published: December 2023

Feminism has undergone four waves, each with different frames and genres that reflect the historical and cultural contexts. The first wave emerged in the late 19th and early 20th centuries, when women demanded reproductive rights and political equality. The second wave emerged in the 1960s and 1970s, when women challenged gender roles and social norms. The third wave emerged in the 1980s and 1990s, when women embraced intersectionality and diversity, recognizing the multiple oppressions faced by women of color, sexual minority groups, immigrants, etc. The fourth wave emerged in the late 20th and early 21st centuries, when women used the internet and online culture to critique and celebrate feminism, creating new forms of expression and activism. This paper will examine how each wave’s framing changed over time, what factors influenced these changes, and what limitations or challenges these waves faced. The paper will use documentation, web ethnography, and open coding methods to collect and analyze data.
The Influence of Music Activities on Children’s Creative Thinking Development
Authors: Liu Yulin
Published: December 2023

Nowadays, all countries in the world regard creativity as one of the core abilities of talent competition. The core of cultivating creative talents is to carry out creative education. Early childhood is the enlightenment period of creative education. During this period, children have not formed a set of thinking, protecting and stimulating their imagination, curiosity and desire to explore. Because music education plays a unique role in fostering children’s creativity, it is beneficial to the development of children’s creative thinking and the formation of creative personality. The purpose of this article is to analyse and study the characteristics of children’s early thinking development, innovative music teaching concepts and teaching methods, and to develop children’s action thinking, image thinking, abstract thinking and creative thinking at this stage through innovative rhythmic activities and Orff teaching, focusing on the specific period of children. It can promote their brain more active and more comprehensive. Through the research, it is found that the professional quality and innovation of preschool teachers play an important role in the development of children’s creative thinking, and rhythmic activities and Orff music teaching method are suitable for the development of children’s creative thinking, and have a larger space for exploration.
The study of early childhood sexual education in Hangzhou
Authors: Cai Yu
Published: December 2023

In recent years, the rise in sexual assault cases has led to increased emphasis on sex education. China has incorporated it into its legal framework to prevent assault among minors. This article delves into sex education through an interview with a Hangzhou kindergarten teacher, addressing two key questions: How is sex education implemented in Hangzhou kindergartens, and what challenges do educators face? The interview data is analyzed concerning content, methods, and influencing factors. The kindergarten employs a segmented approach with limited depth and avoids sensitive topics. A major challenge in Chinese sex education is the scarcity of resources compared to countries like the UK, the US, and Finland. Domestic kindergartens mainly use picture books, while international ones employ multimedia, peer education, and interactive tools with age-appropriate instruction. The article advocates enriching China’s sex education with diversity and scientific rigor, emphasizing the importance of comprehensive training and better parent-teacher communication to enhance effectiveness.
Correlation Between Teacher-Student Communication And Emotional Intelligence of Primary School Students Based on Positive Psychology
Authors: Wang Lu
Published: December 2023

The development of emotional intelligence is significant for primary school students who are in a critical period of social and emotional development. In recent years, the integration of positive psychology and education has attracted more and more attention from the public, and teacher-student communication has always been an essential component in the education sector. In summary, the correlation between teacher-student communication under the theory of positive psychology and primary school students’ emotional intelligence has research significance and value. This research collects three cases of teacher-student communication based on the three major fields of positive psychology in a school and combines the ‘Emotional Intelligence Scale’ (EIS) to analyze the correlation between teacher-student communication and pupils’ emotional intelligence. The results show that teacher-student communication based on the three major fields of positive psychology promotes the four dimensions of primary school students’ emotional perception, self-emotional regulation, regulation of others’ emotions, and use of emotions. Primary school teachers are recommended to adopt this method for teacher-student communication.
Harnessing the Conformer/Atropisomer-Dependent Photochromism of Diarylethene Photoswitches and Forcing a Diarylethene Atropisomer to Its Configurational Diastereomers with Polymer Mechanochemistry
Authors: Hu Xiaoran , Zhang Cijun , Fu Xuancheng
Published: December 2023

Diarylethenes are an important class of photoswitches that usually exist in interconvertible parallel (photoinert) and antiparallel (photochromic) conformational states. Recent research afforded sterically congested diarylethenes that exist as stable and separable configurational atropisomers. Rational manipulation of stereochemistry is a robust strategy for regulating diarylethene photochemistry. Here, we present a brief account of the conformer/atropisomer-dependent photochromism of diarylethene photoswitches, and we discuss a recent advance at the interface of diarylethene photochemistry and polymer mechanochemistry: our group recently introduced a mechanical approach for converting a parallel diarylbenzothiadiazole into its antiparallel configurational diastereomers, thereby turning on its photochromic reactivity. After mechanical activation, UV light changes the converted diarylethene molecule into a colored ring-closed form by a 6π-electrocyclization reaction that permits the visualization of the mechanical activation event. Besides the fundamentally new mechanism of converting a molecule into its configurational diastereomers through force–stereochemistry coupling, the conversion of atropisomer stereochemistry is a noncovalent process and features high mechanical reactivity in comparison to conventional mechanophores, which require covalent bond scission. This new type of configurational mechanophore holds promise for various applications, such as high-sensitivity stress sensing, lithography, and information storage.

1 Diarylethene Conformers and Atropisomers

2 Polymer Mechanochemistry and Configurational Mechanophores

3 Regulating the Stereochemistry and Reactivity of a Diarylethene Atropisomer with Mechanical Force

4 Summary and Future Outlook
Impact of strategic alliance on the innovation of women-owned enterprises in Nigeria
Authors: Anyanwu Ogochukwu Christiana , Oloto Sunday Emeka , Nwokocha Victor Chukwunweike
Published: December 2023

Women-owned enterprises are rapidly expanding across Africa and have significantly contributed to job growth and wealth development. These enterprises, however, find it challenging to pursue innovation, because of their size and their financial base. Women-owned enterprises, however, can access various resources, talents, and techniques through effective strategic alliances. Being in alliance with other market participants allows these enterprises to overcome the hurdles limiting their performance and innovativeness. This research analyses the impact of strategic alliances on the innovation of women-owned enterprises in Nigeria. The study adopts a quantitative survey approach. It selected 109 women-owned enterprises from five manufacturing subsectors in the study area, using a purposive random sample technique. Regression analysis is used to analyze the data, while tables are utilized to show results. The results reveal that different strategic alliance characteristics had different effects on the innovation of women-owned enterprises. The finding in process innovation showed that increased new opportunities and cost reduction led to 0.76 and 0.62 increases in process innovation, respectively. In comparison, an increase in cost reduction led to a 0.63 increase in product innovation in the enterprises. These results signified that strategic alliances enabled women-owned enterprises to achieve product and process innovation. This study recommends that policymakers should encourage the use of strategic alliances by women-owned enterprises. This will allow them to innovate by introducing new products and processes in their enterprises.
Using honey-CNT memristors in neuromorphic computing
Authors: Lange Katherine De
Published: December 2023

Honey-CNT memristors are sustainable, low in energy cost, and efficient in emulating synaptic functions.
Non-covalent interaction of heteroaromatic: Rotational spectroscopy of the thiazole-formic acid complex
Authors: Yang Tingting , Wang Liuting , Wang Zhen , Feng Gang
Published: December 2023

The characteristics of non-covalent linkages between thiazole and formic acid were explored by pulsed jet Fourier transform microwave spectroscopy supplemented with quantum chemical calculations. Rotational fingerprints of the thiazole⋯HCOOH and thiazole⋯HCOOD species were successfully measured in the supersonic expansion, both exhibiting 14N quadrupole coupling hyperfine structure. The observed conformation has Cs symmetry, controlled by a predominant O–H⋯N hydrogen bond and an additional C–H⋯O hydrogen bond. The property of intermolecular non-covalent interactions emerging in the complex has been ulteriorly elucidated by implementing Johnson’s non-covalent interaction analysis and the symmetry adapted perturbation theory analysis.
Tunneling electrons triggered energy transfer between coherently coupled donor-acceptor molecules
Authors: Wang Huifang
Published: December 2023

Energy transfer is ubiquitous in natural and artificial lightharvesting systems, and coherent energy transfer, a highly efficient energy transfer process, has been accepted to play a vital role in such systems. However, the energy oscillation of coherent energy transfer is exceedingly difficult to capture because of its evanescence due to the interaction with a thermal environment. Here a microscopic quantum model is used to study the time evolution of electrons triggered energy transfer between coherently coupled donoracceptor molecules in scanning tunneling microscope (STM). A series of topics in the plasmonic nanocavity (PNC) coupled donor-acceptor molecules system are discussed, including resonant and nonresonant coherent energy transfer, dephasing assisted energy transfer, PNC coupling strength dependent energy transfer, Fano resonance of coherently coupled donor-acceptor molecules, and polariton-mediated energy transfer.
Observations on Laue diffraction within synchrotron radiation and neutron macromolecular crystallography research and developments
Authors: Helliwell John R.
Published: December 2023

A seminal contribution in the domain of physiologically relevant biological structure and function determination was by Keith Moffat, of Cornell and latterly of the University of Chicago proposing that synchrotrons should offer the option of a Laue method data collection mode. I enthusiastically joined in supporting this initiative. This proposal needed detailed methods development though; theoretical, experimental and software development. This work was added to the broad research and development program of synchrotron radiation at the UK's SRS. This whole program led to knowledge transfer from the UK's SRS to the ESRF as well as for neutron Laue protein crystallography to the reactor spallation sources and later to spallation neutron sources.
Verification of modulation mechanism of the interfacial dipole effect by changing the stacking sequence of monatomic layers in perovskite oxides
Authors: Tamura Atsushi , Kita Koji
Published: December 2023

The magnitude of the dipole effect detected by the cutoff energy measurement was modulated for SrTiO3 (STO)/LaAlO3 (LAO)/SrRuO3 (SRO)/STO (001) subs. epitaxial stacks by ultrathin SrAlOx (SAO) insertion prior to LAO deposition. The difference in frictional forces on the LAO surfaces between the stacks with and without SAO insertion was clearly detected by lateral force microscopy (LFM), which indicated the change in dominating surface atomic layers. From the statistical analysis of LFM images, the SAO insertion was found to improve the lateral uniformity of the stacking sequence of charged monatomic layers in epitaxial LAO along the c-axis [(LaO)+ and (AlO2)−], taking account of the inevitable correlation between the surface-terminating atoms with the stacking sequence of the charged monatomic layers in epitaxial LAO. These results are consistently explainable with the proposed model that the interface dipole effect along the c-axis of the perovskite epitaxial stack is determined by the stacking sequence of charged monatomic layers of LAO.
Quantifying uncertainty in analysis of shockless dynamic compression experiments on platinum. I. Inverse Lagrangian analysis
Authors: Davis Jean-Paul , Brown Justin L.
Published: December 2023

Absolute measurements of solid-material compressibility by magnetically driven shockless dynamic compression experiments to multi-megabar pressures have the potential to greatly improve the accuracy and precision of pressure calibration standards for use in diamond anvil cell experiments. To this end, we apply characteristics-based inverse Lagrangian analysis (ILA) to 11 sets of ramp-compression data on pure platinum (Pt) metal and then reduce the resulting weighted-mean stress–strain curve to the principal isentrope and room-temperature isotherm using simple models for yield stress and Grüneisen parameter. We introduce several improvements to methods for ILA and quasi-isentrope reduction, the latter including calculation of corrections in wave speed instead of stress and pressure to render results largely independent of initial yield stress while enforcing thermodynamic consistency near zero pressure. More importantly, we quantify in detail the propagation of experimental uncertainty through ILA and model uncertainty through quasi-isentrope reduction, considering all potential sources of error except the electrode and window material models used in ILA. Compared to previous approaches, we find larger uncertainty in longitudinal stress. Monte Carlo analysis demonstrates that uncertainty in the yield-stress model constitutes by far the largest contribution to uncertainty in quasi-isentrope reduction corrections. We present a new room-temperature isotherm for Pt up to 444 GPa, with 1-sigma uncertainty at that pressure of just under ±1.2%; the latter is about a factor of three smaller than uncertainty previously reported for multi-megabar ramp-compression experiments on Pt. The result is well represented by a Vinet-form compression curve with (isothermal) bulk modulus K0=270.3±3.8 GPa, pressure derivative K0′=5.66±0.10, and correlation coefficient RK0,K0′=−0.843.
Low-frequency fluctuation propagation of rotating stall in the centrifugal compressor and pipe system
Authors: Jia Cheng , Qin Guoliang , Wang Yi , Cui Qin
Published: December 2023

The characteristic signal judgment of rotating stall in a centrifugal compressor is necessary to avoid the compressor becoming instability in operation. This study investigates rotating stall in a centrifugal compressor and pipe system using experimental and numerical simulation methods. In the experiment, a low-frequency (approximately 10% of the impeller's rotational frequency) pressure fluctuation is observed in the inlet and outlet pipes as the pressure ratio curve declined at small flow rate. The frequency spectrum results of different measuring locations suggest that the low-frequency disturbance is in the flow direction within the pipe system during rotating stall. To further analyze this pressure fluctuation, a transient numerical simulation of the centrifugal compressor with plenum model is conducted. Rotating stall can be captured by the numerical model, and the low-frequency pressure fluctuation is also observed in the transient simulation, aligning with the experimental results. The periodic evolution of the tip leakage vortex influences the flow in the impeller passage, causing a fluctuation in the flow direction that propagates upstream and downstream as revealed by flow field analysis. The low-frequency pressure fluctuation in the inlet and outlet pipe system is a characteristic signal, which can be a new stall judgment of rotating stall in the operation of centrifugal compressor.
Classical and Bayesian estimation for the truncated inverse power Ailamujia distribution with applications
Authors: El Gazar Ahmed Mohamed , ElGarhy Mohammed , El-Desouky Beih S.
Published: December 2023

In this study, we suggest the truncated version of the inverse power Ailamujia distribution, which is more flexible than other well-known distributions. Statistical properties of the new distribution are considered, such as moments, moment generating function, incomplete moments, quantile function, order statistics, and entropy. We discuss various methods of estimation, such as the method of maximum likelihood, methods of least squares and weighted least squares, the method of the maximum product of spacings, the method of Cramer and Von-Mises, methods of Anderson and Darling and right-tail Anderson and Darling, the method of percentiles, and the Bayesian method. Simulation is implemented to study the performance of estimates. We introduce two real data applications, showing that the new distribution can provide better fits than some other corresponding distributions.