bluuebunny/crossref_metadata_2025 huggingface dataset:
Connecting Giant Planet Atmosphere and Interior Modeling: Constraints on Atmospheric Metal Enrichment
Authors: Thorngren Daniel , Fortney Jonathan J.
Published: April 2019

Atmospheric characterization through spectroscopic analysis, an essential tool of modern exoplanet science, can benefit significantly from the context provided by the interior structure models. In particular, the planet’s bulk metallicity, Z

p
, places an upper limit on the potential atmospheric metallicity. Here we construct interior structure models to derive Z

p
and atmospheric metallicity upper limits for 403 known transiting giant exoplanets. These limits are low enough that they can usefully inform atmosphere models. Additionally, we argue that comparing Z

p
to the observed atmospheric metallicity gives a useful measure of how well mixed metals are within the planet. This represents a new avenue for learning about planetary interiors. To aid in the future characterization of new planet discoveries we derive analytic prior predictions of atmosphere metallicity as a function of planet mass, and evaluate the effectiveness of our approach on Jupiter and Saturn. We include log-linear fits for approximating the metallicities of planets not in our catalog.
400 pc Imaging of a Massive Quasar Host Galaxy at a Redshift of 6.6
Authors: Venemans Bram P. , Neeleman Marcel , Walter Fabian , Novak Mladen , Decarli Roberto , Hennawi Joseph F. , Rix Hans-Walter
Published: April 2019

We report high spatial resolution (∼0.″076, 410 pc) Atacama Large Millimeter/submillimeter Array imaging of the dust continuum and the ionized carbon line [C ii] in a luminous quasar host galaxy at z = 6.6, 800 million years after the big bang. Based on previous studies, this galaxy hosts a ∼1 × 109

black hole and has a star formation rate of ∼1500

yr−1. The unprecedented high resolution of the observations reveals a complex morphology of gas within 3 kpc of the accreting central black hole. The gas has a high velocity dispersion with little ordered motion along the line of sight, as would be expected from gas accretion that has yet to settle in a disk. In addition, we find the presence of [C ii] cavities in the gas distribution (with diameters of ∼0.5 kpc), offset from the central black hole. This unique distribution and kinematics cannot be explained by a simple model. Plausible scenarios are that the gas is located in a truncated or warped disk, or the holes are created by interactions with nearby galaxies or due to energy injection into the gas. In the latter case, the energy required to form the cavities must originate from the central active galactic nucleus, as the required energy far exceeds the energy output expected from supernovae. This energy input into the gas, however, does not inhibit the high rate of star formation. Both star formation and black hole activity could have been triggered by interactions with satellite galaxies; our data reveal three additional companions detected in [C ii] emission around the quasar.
Emerging Global Health Approaches at the Human-Animal Interface
Authors: Bruchhausen Walter
Published: April 2019

The vagueness of the term one health is the result of multiple developments that it has brought together. Therefore, a historical and conceptual analysis, divided in three sections, is performed for understanding these tensions and their backgrounds. First, an account of different and changing attitudes towards animals and their health is given, especially in religion, modern philosophy, and pre-modern dealing with disease supposedly caused by animals and plants. The second part reconstructs early bacteriology as a search for environmental disease factors and a struggle with zoonoses in a globalized research effort. The final and largest section analyses the development of international policies on zoonoses and one health from the 1950s until today, sketching the way from a veterinarian and medical national public health issue via socio-economic perspectives to the perception of a global threat by emerging diseases which fueled inter-agency cooperation in an unprecedented manner.
We Are Not Part of Nature; We Are Nature
Authors: Iyioke Ike Valentine
Published: April 2019

This chapter explores holism as it pertains to health in African thought. Specifically, it uses the philosophical notion of personhood to illustrate holism within the biomedical research context. In African philosophy, nature is an organic whole, and the creation and sustenance of ecological balance or interdependence between human and non-humans, the visible and the invisible are most desired. The individual is anchored in a mesh of relationships within the family, village, environment, all of whom are primordial sources of that person's physical, psychic, and spiritual existence and wellbeing. It is a fallacy, indeed absurd to think that humans can exist or act as though they are independent of the environment they live in while continually sensing it via sight, touch, hearing, smell, and taste. In a sense, humans are not just a part of nature; they are nature. It is a holistic perspective, as opposed to anthropocentrism. The continued neglect of this philosophical perspective in favor exclusively of anthropocentrism or individualism is the cause of much human crisis.
One Health and Parasites
Authors: Shah Said Sajjad Ali , Khan Adnan
Published: April 2019

One health is a collective term used to address human and animal health issues under one platform. More than half of the diseases of humans are directly or indirectly related to animal health and spread from animals to humans or vice versa. Etiological agents of zoonotic diseases may be bacterial, viral, or parasitic in origin. Among them, parasitic agents are very important because they are either directly involved as etiological agents or as vectors of other pathogenic organisms. Parasitic zoonoses are transmitted to humans through vectors, food, or drinking water, and thus categorized as vector borne, food borne, and water borne parasitic zoonoses. Food borne and water borne parasitic zoonoses include all those parasitic diseases which are transmitted to humans by consuming contaminated food and water. An extensive alliance is necessary amongst physicians, veterinarians, and public health workers for timely response and approach to guarantee the prevention and management of infections.
Using Argumentation to Develop Critical Thinking About Social Issues in the Classroom
Authors: Boyd N. Leigh
Published: April 2019

Thanks to the polarized nature of politics in the world today, students need to learn how to think critically about social issues. Argumentation can be both a type of critical thinking and a tool with which to teach students to think critically about social issues. This chapter lays out a framework for teaching students how to develop critical thinking about real world issues through the use of dialogic argumentation. The impact of dialogic argumentative activities in the classroom are discussed, particularly as they relate to the development of metacognition and theory of mind, as well as how they help students develop an “inner-locutor” that allows them to evaluate both their position and opposing positions. Finally, a model for how these elements contribute to students' value-loaded critical thinking about social issues is outlined.
A Completely Structured Training on the Angoff Standard-Setting Method for Developing Critical-Thinking Skills of Teachers
Authors: Iyioke Ifeoma Chika
Published: April 2019

This chapter presents a completely structured training (CST) for the Angoff standard-setting method. The CST was developed to address the challenges teachers face in making the required probability judgments about student performance. It includes a comprehensive curriculum and instruction, practice, and feedback to guide participants on task performance. Overall, the approach is useful for developing critical-thinking skills among teachers in the context of assessing and evaluating educational achievement. This chapter also describes and illustrates how to use the training to facilitate professional development for K–12 teachers through programming. Guidelines, lessons and recommendations for implementation and study of CST are also provided.
The Use of Concept Maps in Environmental Study
Authors: Algrain Jessica
Published: April 2019

This chapter seeks to find a pedagogic tool that can help a learner a secondary school Environmental Study class. More specifically, the purpose is to shed light on a positive effect of these maps on students' metaknowledges and on their overall understanding. Moreover, the point is to try to find if the teaching method of concept maps can have a different impact on the acquisition of metaknowledges and on overall understanding. Indeed, the researcher emits the hypothesis that a teaching method accompanied by a pedagogic dialogue can have more positive effects than an only expositive teaching method. Through a serial of workshops of concept maps' teaching and tests, the researcher has determined that concept maps teaching, regardless of the method employed, can have an impact on overall understanding in Environmental Study, which is a real benefit to our reflection on professional practices. And more, it appears that the teaching of concept maps by the expositive method may have a positive effect on the overall understanding of Environmental Study.
The Symbolism of Archaic Rites, Signs, and Superstitions of Teleuts
Authors: Obraztsova Maria , Denisova Elvira Stepanovna , Kereksibesova Ursula Valeryevna
Published: April 2019

The chapter is devoted to the description of the cultural traditions of the indigenous people of the North-Teleuts, which currently numbers approximately 2,600 persons. It gives an analysis of signs and superstitions of the Teleut people. There are considered two archaic ritual symbol of female “эмегендер/emegender” and male “сомдор/somdor” amulets. The burial ceremony of Teleuts and Telengits is described. The chapter consists of three sections, written by the project executors “Language and culture of Teleuts,” which is supported by grant RHSF/RFBR Nº 17-04-00252 ONG/18.
Smartphone Usage, Gratifications, and Addiction
Authors: AlBarashdi Hafidha S. , Bouazza Abdelmajid
Published: April 2019

Combining a survey and focus groups as a mixed-methods research, the authors of this chapter examined the functions, types, and motivations of smartphone usage and gratifications. Furthermore, the authors also investigated the rates, symptoms, and reasons of smartphone addiction. Still another achievement of the authors was to look into the relationship between smartphone usage, gratifications, and addiction with academic achievements among college students. On top of identifying three levels of addiction, the authors also located distinctive traits of these levels. This chapter provided an interesting example of how mixed-methods research can be employed to investigate mobile use, gratifications, and addiction. It is expected from the editor that this chapter would lead to more comparative studies between or among countries or cultures using by using a mixed-methods research to triangulate and/or complement findings of using different research methods. The inclusion of this chapter in this volume is also meant to invite further studies to investigate the gap between what mobile users want and what they actually get from using mobile as well as its related experience on both the normative and the empirical sides.
Use of Mobile Apps and Creator-Audience Matchmaking
Authors: Lohochoudhury Biplab
Published: April 2019

With a bird's-eye-view of the journey of exploring mobile use and its impacts in India, one of the biggest mobile markets in the world, the author of this chapter provides an analytical and insightful review of earlier studies on mobile communication development and utility-driven usage. Although country-specific, this chapter provides a very interesting, insightful, and invaluable model to the world, that is, the model of creator-audience matchmaker. As demonstrated by the two cases in this chapter, the creator-audience matchmaker model can be used as a heuristic tool for understanding mobile app development and success in India.
Mobile Experience in Learning Chinese
Authors: Hu Rong , Xu Xiaoge
Published: April 2019

In the age of experience economy, students are also attaching greater importance to enlightening and entertaining experience in learning. Earlier studies on mobile learning experience have generated increasing amount of knowledge on experience-oriented learning. Through reviewing earlier studies on mobile experience in learning Chinese as a second language and recommending dimensions and directions for further studies, this chapter aims at inviting further studies on how to enhance mobile learning experience in general by applying the six stages of mobile experience, assisted with the 3M (mapping, measuring, and modeling) approach with a focus on the gap between the normative and the empirical dimensions of mobile experience in learning Chinese in the context of Confucius Institutes around the world.
Mobile Translation Experience
Authors: Liu Nancy Xiuzhi , Watts Matthew
Published: April 2019

After closely examining the experiences of mobile translation in which people engage with translation on mobile platforms in the contexts of healthcare, crowdsourcing, and machine and translator training, the authors have identified a tightly intertwined relationship between mobile translation and machine translation. They have also found that the technological side is more dynamic than the user side in the case of mobile translation and machine translation, which may lead to a gradual reduction of people learning foreign languages and a possible loss of professional translators and language specialists. When it comes to contextual and textual translation, however, human translators currently outperform mobile or machine translators. Although human contribution will be determined by translation scenarios or specific translation tasks, the human-mobile/machine interaction in translation deserves further studies. It is imperative to compare mobile use and experience in human-mobile interaction related to translation in different cultures or countries so as to locate similarities and differences. Furthermore, it is also expected from the editor that further studies should focus on mapping, measuring, and modeling those identified similarities and differences.
Mobile Experience in War and Conflict Reporting
Authors: Zhang Shixin Ivy
Published: April 2019

Defining mobile experience as a process of usage, affordance, roles, and impacts of mobile phones during wars and conflicts, the author has located similarities and differences in mobile experience in war and conflict reporting among professional journalists, citizen journalists, governments, militaries, rebels, NGOs, activists, and communities. After exploring the changes and trends related to mobile experience in war and conflict reporting, the author also offered specific dimensions and directions for further studies.
Competitive Strategy Based on Flexibility
Authors: Pérez-Pérez Marta , López-Fernández María Concepción , Serrano-Bedia Ana María
Published: April 2019

This chapter is intended to analyze the extent to which businesses in Spain have adopted several flexibility-manufacturing practices. Specifically, this study explores firstly, sample-based differences in the results of comparative family firms versus nonfamily firms concerning practices for implementing manufacturing flexibility. Secondly, heterogeneity in this implementation process within different groups of family firms was explored. The gathered evidence suggests that the main differences with respect to practices for implementing manufacturing flexibility appear when specific characteristics surrounding family firms and related to the role of the CEO and family involvement in the management of the firm are considered.
The Use of Technology Acceptance Model in Mobile Banking
Authors: Bilir Kadriye Burcu Öngen
Published: April 2019

This chapter aims to determine the variables that explain using mobile banking. This study identifies and investigates the factors that influence the adoption of mobile banking, and specifically focuses on the evaluation of mobile banking application with users or non-users. The research model includes the basic concepts of the technology acceptance model. The technology acceptance model (TAM) tries to explain the adoption process and underlying influencing factors in technology acceptance. The survey was conducted to gather data which was coded in SPSS 17. Confirmatory factor analysis was used to analyze data, and structural equation modeling using Amos 17 software was used to validate the research model. The result shows that perceived ease of use, perceived usefulness, and perceived normative pressure significantly influences customer attitude, which affects the adoption of mobile banking.
Adoption of Accounting Information Systems in Businesses
Authors: Uyar Metin
Published: April 2019

This chapter aims to explain how the accounting information system is adopted in businesses. The development of e-services and e-business affect the activities of the accounting systems. In this context, factors affecting the adoption of the system have been identified with respect to their specifications. The data was collected using the survey method. The partial least squares method that is a technique of a structural equation model was used to analyze. According to the findings, the organization structure, stakeholders, technology, and external structure influence the adoption of the accounting information system. The organization structure has been identified as the strongest factor. Technological progressions have a high impact on adoption. Findings show that management is sensitive to new data management approaches such as big data, business intelligence. Practical recommendations were presented in accordance with the findings.
Distinguish Significant Adoption Factors That Influence Users' Behavioral Expectation to Utilize Mobile Payment
Authors: Tansakul Pajaree , Halgamuge Malka N. , Syed Ali
Published: April 2019

In this chapter, the authors performed an analysis of the data extracted from 39 peer-reviewed scientific publications between 2015 and 2018 describing users' adoption of various mobile payment systems encompassing methods, technologies, adoption models, theories, variables of the adoption models and theories, as well as significant adoption factors. The analysis demonstrates that the technology acceptance model (TAM) is the most popular model to investigate users' adoption of mobile payment. Both the original and extended versions of TAM are studied broadly to examine the individual's intention to adopt mobile payment. In addition, the analysis of the results from this chapter demonstrates perceived compatibility has the strongest positive impact on the intention to use mobile payment technology whereas perceived risk has a negative relationship with the intention to use mobile payment technology.
Explaining the Factors on Process of Academic Wikipedia Users Using Technology Acceptance Model Through the Structural Equation Model
Authors: Gazeloğlu Cengiz , Keleş Murat Kemal , Toyganözü Cüneyt , Toyganözü Zeynep Hande
Published: April 2019

As a teaching tool, Wikipedia is used by an increasing number of professors from many universities around the world. Wikipedia is very influential in allowing students and teachers to learn together and having various skills for students. In this chapter, the influenced main factors of the teaching uses of Wikipedia in higher education are determined and also the relationship between these factors are tried to be explained with the technology acceptance model (TAM) through the structural equation model (SEM). With this aim, teaching use of Wikipedia in all faculty members of the Universitat Oberta de Catalunya are used as data and the data is analyzed by LISREL software package. After the analysis, it is found that sharing attitude and use behaviour factors have important role in the model and there is a direct strong impact of sharing attitude on use behavior.
The Role of Website Quality and Social Ties EWOM in E-Services Adoption
Authors: Sharma Himanshu , Aakash Aakash , Aggarwal Anu G.
Published: April 2019

With the service sector gaining momentum over the years, researchers feel that the relationship between service providers and customers must be explored, especially under online framework. This chapter proposes a conceptual model to study the behavioral intention (BI) to adopt e-services. The framework considers the interrelationship among the variables such as website service quality (WSQ), strong-ties electronic word-of-mouth (ST-EWOM), and perceived value (PV). Moreover, the authors attempt to study the moderation effect of weak-ties EWOM (WT-EWOM). To examine the relationship between these variables, they constructed a research model which is tested using structural equation modeling (SEM) approach. The hypothesis testing results show direct associations between the variables. They next verify the mediating role of perceived value between website service quality and intention to adopt as well as strong-ties EWOM and adoption intention. Moreover, the moderating effect of weak-ties EWOM are checked and are further validated graphically with the help of interaction effect approach.
Refugee Parents' Perceptions of Bullying Practices of Their Children in Urban Schools
Authors: Mthethwa-Sommers Shirley , Kisiara Otieno
Published: April 2019

The purpose of the chapter is to examine how parents from refugee backgrounds understand and perceive school bullying and anti-bullying policies. Given that bullying continues to be a serious problem in schools, and that immigrant and refugee-background students are particularly severely impacted, it is imperative that perspectives from different stakeholders, including refugee background parents, be incorporated in anti-bullying policies and interventions. Data were collected using the focus group method, with parents drawn from the refugee community in a town in upstate New York. Focus group interviews were conducted with a total of 27 parents from refugee backgrounds. Interviews were recorded and transcribed. Data were analyzed and organized thematically. Findings showed that parents (1) experience secondary stress from bullying of their children, (2) advocate for their children, (3) often feel unheard and diminished by school teachers and administrators, and (4) have an interest in meeting and working with teachers and other school officials to address bullying. Findings provide implications for bullying policies and practices for school personnel.
Evolution of Admissions and Recruiting
Authors: Bryant Murray , Mahaney Mary Claire , Clarke John-Derek
Published: April 2019

This chapter examines, by means of a case study, a Canadian business school, including the evolution of its way of admitting students and facilitating the placement of graduates. Three forces triggered its evolution: the privatization of its programs within a publicly funded university, the emergence of globalization, and the increasing importance of business school rankings that directly affect applicants' selection of schools. The chapter demonstrates how the admissions process and program design are a work in progress, especially given new competitors internationally. It also shows how the reputation of the school is enhanced by the quality of its alumni. Ideally, to accomplish the school's goal of high quality education, the admissions process should mirror the strategy and positioning of the school.
Time Travel Into a New Age of Business Education
Authors: Rao Yogesh
Published: April 2019

Business education is a very broad spectrum that encompasses a number of methods and principles which shape the career of students as per the needs of corporate world. Business education not only provides the necessary approach and strategies which should be implemented in order to carry out business or job in a successful fashion, but it also helps in crafting personality of students on the basis of ethics, moral values, and skillsets. Since the initiation of industrial era in this world, system of business education has been adapting and revolutionizing as per trends in global market. Earlier, in the period of 1950, business education was based on the functionalities and principles of the business.
Impact of Technology in Admission Processes
Authors: Gurnani Pawan
Published: April 2019

Admission is the most crucial leap taken by a student and the first step by an institute before they begin a journey for next couple of years. The anticipation and excitement exhibited by both institute and student during the admission process is enthralling yet engulfed with complexities and apprehensions. Multiple ways of evaluating candidates have been explored in the past with the likes of group discussions, personal interviews, aptitude tests, psychometric tests, behavioral tests, etc. They have evolved and have formed a part of the admission process. The process is time-consuming, effort-driven, and needs to be updated/modified constantly. This chapter addresses the concerns that candidates and institutes face during the admission process and how technology adoption can increase effectiveness while reducing the time required by institutes to enroll candidates.
Fostering Engaged Prospects Through Digital and Social Media
Authors: Mathur Neeti
Published: April 2019

In the age of innovation, social media is the ideal platform for academic bodies to reach out to prospective students, currently enrolled students and alumni. This chapter explains role and significance of social media in keeping students engaged. Student as customer concept is in trend which keeps academic institutions under pressure to improve quality. Prospective students expect academic institutions to be transparent in their governance and promote simple and easy to use social media and digital channels for information. The inevitable role of social media for connecting alumni and current student worldwide for networking is explained in this chapter. Social media is an affordable tool for academic institutions to connect to larger student network, but it is important to learn how to use the social media to influence and engage students and alumni of both online and on campus program. The objective of this chapter is to use various examples to help readers understand the concept well to attract prospective students and retain current students.
Non-small cell lung cancer presenting as “psoas muscle syndrome”
Authors: Mollica Mariano , Maffucci Rosalba , Lavoretano Sabrina , Rea Gaetano , Cerqua Francesco Saverio , Aronne Luigi , Bianco Andrea , Perrotta Fabio
Published: April 2019

Lung cancer is the leading cause of cancer-related death worldwide and majority of patients are diagnosed in advanced/metastatic disease stage. Sites of distant metastases mainly include contralateral lung, lymph nodes, brain, bones, adrenal glands and liver; skeletal muscles metastases (SMMs) are less common. Psoas muscle and diaphragm metastases are mainly found during autopsy, as their involvement commonly is asymptomatic. We report a case of a 60-year-old female, suffering from non-small cell lung cancer (NSCLC), with refractory lower back pain, as expression of malignant psoas syndrome (MPS). MPS is a rare and difficult-to-treat cancer-pain syndrome, unresponsive to majority of analgesic therapy, related to psoas muscle metastasis; it is usually caused by different tumors such as uterus, ovary, bladder, prostate, colon-rectum, lymphoma, melanoma and sarcoma and represents an uncommon finding in NSCLC patients.
A projection type measuring engine fo photographic zenith telescope plates
Authors: Thomson M M
Published: April 2019

A new measuring machine of projection type, designed for scaling PZT plates, has been built at the Dominion Observatory, Ottawa. The stellar images and micrometer readings are focussecl on a ground glass viewing screen where the fiducial lines are drawn. The
improvements arise from ease of operation, slightly reduced setting error, and reduction in fatigue.
Elastic wave radiation from faults in ultrasonic models
Authors: Press F
Published: April 2019

An ultrasonic model of an impulsive fault is used to study the radiation pattern of compressional and shear waves. Azimuthal variations of direction of initial motion of compressional and shear waves are described. The behavior of the compressional wave follows
the classical theory for radiation from a dipole source. The behavior of the shear waves is anomalous in that significant motion occurs whereas nodes are expected. The relation of this work to current practices in obtaining fault-plane solution is discussed.
The mechanism of the earthquakes
Authors: Honda H
Published: April 2019

A brief account on the development of the knowledge on the mechanism of the earthquakes since about the year 1930, is given in this report.
There are two kinds of prevailing hypotheses as to the earthquake mechanism. In one of them, a couple of two equal and opposite forces with moment is supposed to act at the focus of the earthquake, while in the other one a set of two couples of forces with moment which are perpendicular to each
other is assumed. We will call the former the force system of the type I, and the latter that of the type II. A set of two couples of forces of the nature of pressure and tension which are perpendicular to each other, and the radial force proportional to sin(2theta)cos(phi) in spherical coordinates,
are equivalent to the force system of the type II respectively.
The distribution of the direction and magnitude of the initial motion of the P, S and ScS waves of the near deep and intermediate earthquakes, observed in Japan can be explained by the theories based on the assumption that the force system of the type II acts at the origin in an infinite elastic
solid. The directions of the pressure of the stresses causing the earthquakes seem to be directed perpendicularly to the trends of the deep and intermediate earthquake zones in and near Japan. For the investigation of the P, S and surface waves and the deformation of the earth's surface observed in
the cases of very shallow earthquakes occurred in Japan, the theories for the force system of the nature of the type II or the radial force proportional to sin(2phi) in cylindrical coordinates, acting at the origin on the surface of a semi-infinite elastic solid, have been applied.
The stereographic projection methods which are appropriate for the investigation of the earthquake mechanism based on the observations at the stations distributed over the world, have been proposed and developed by P. Byerly and J . H. Hodgson, and applied to the studies of numerous earthquakes by
many seismologists, the force system of the type I being assumed as the basis of the investigation. The plane bisecting the couple of forces is considered to be the fault plane. The relations between the strikes and dips of the fault planes, the motion directions along the fault planes and the
geological features, are investigated.
According to the theories on the elastic waves, the patterns of the initial motions of the P waves for the force systems of the types I and II, are the same to each other. As the differences of the effects of the force systems are to be noticed in the patterns of the S waves, it is desired that the
S waves observed at the distant stations may be investigated further in detail.
The impact of workplace bullying on flourishing: The moderating role of emotional intelligence
Authors: Nel Elizabeth C.
Published: April 2019

Orientation: Workplace bullying has detrimental effects on employee well-being. Emotional intelligence may moderate the relationship between workplace bullying and flourishing.Research purpose: The purpose of this study was to examine the nature of the relationship between workplace bullying and flourishing and to investigate the moderating role of emotional intelligence in the workplace bullying–flourishing relationship.Motivation for the study: There is a paucity of studies exploring the moderating role of personal resources such as emotional intelligence in the relationship between workplace bullying and flourishing.Research approach/design and method: The study used a cross-sectional design, quantitative approach and a convenience sampling method. Employees from a higher education institution (N = 1102) participated in this research. Descriptive, correlation and moderation analysis was used to analyse the data.Main findings: The results showed that there was a significant negative relationship between workplace bullying and flourishing. Emotional intelligence significantly moderated the relationship between workplace bullying and flourishing.Practical/managerial implications: Organisations should develop and/or strengthen the level of emotional intelligence in employees in order to reduce the negative effect of workplace bullying on well-being.Contribution/value-add: The findings of this research contribute to the limited body of research investigating personal resources such as emotional intelligence as a moderator in the bullying-well-being relationship.
A rare case of neonatal mastauxe: Case report
Authors: Suthar Bhumika , Aggarwal Kanishka
Published: April 2019

Neonatal breast enlargements have varying number of presentations on imaging and these have been underreported in the literature. Our case report profiles a 2-week-old female who presented with a history of bilateral breast enlargement with redness and clear, non-bloody, milk-like discharge, who was clinically diagnosed and managed for neonatal mastitis, which was actually a neonatal breast enlargement only. Awareness on neonatal breast enlargement that can be just physiological without any associated mastitis or inflammatory/infective changes can prevent unnecessary hospitalization and treatment with parenteral antibiotics.
Early experience of combination therapy of transarterial chemoembolization and radiofrequency ablation for hepatocellular carcinoma measuring 3–7 cm
Authors: Patidar Yashwant , Garg Lalit , Mukund Amar , Sarin Shiv Kumar
Published: April 2019

Background of the Article: Hepatocellular carcinoma (HCC) is one of the most common human malignancies worldwide. Radiofrequency ablation (RFA) is considered curative option in selected patients; efficacy is severely limited by lesion size and lesions bordering a large vessel. On the other hand, transarterial chemoembolization (TACE) is not limited by lesion size and arterial occlusion of the tumor feeding vessels leads to increase the volume of the ablative zone. Combination treatments using both intraarterial liver-directed therapy and percutaneous ablation seek to overcome the disadvantages of the individual treatments alone, theoretically improving response to therapy and survival. Material and Methods: This is a single-center retrospectively study in which patients who received TACE plus RFA for HCC were evaluated for technical success, local tumor progression rates, distant intra and extrahepatic recurrences and survival. Results: The study included 22 patients, 21 patients had a solitary HCC of size 3–7 cm and one patient had three target lesions. Technical success achieved after first session of combination treatment was 100% (24/24). At 1 and 3 months follow-up 100% patients (24 target lesions) had complete response and at 6 months; 21 (87.5%) had complete response, one (4.2%) had local tumor progression and two patients (8.3%) developed progressive disease. No major difference in complication was noted. The event-free survival as shown by Kaplan–Meier graph analysis at 6 and 12 months were 90.7% and 66.4% with mean time to event-free survival was 11.1 months. Conclusion: The combined use of TACE and RFA is a safe and effective option in the treatment of patients with single large or multinodular HCC when surgical resection is not feasible and this approach provides better results than RFA or TACE alone.
Ultrasonography and X-Ray guided drain placement to evacuate a pneumopericardium/pneumomediastinum in a 1-day-old infant
Authors: Bhat Ambarish P , Pimpalwar Ashwin , Dyke II Peter C
Published: April 2019

Ultrasonographic (US) guided procedures have wide range of application in the abdomen and pelvis, however their role is somewhat limited in the chest due to complete reflection of the ultrasound beam by the air in the lungs, preventing the direct imaging of the tissues deep to the air-sound interface. Most of the chest procedures, other than the exception of thoracentesis, rely on the use of CT (computed tomography) scan. The disadvantages of using CT scan is the cost, lack of portability, and most importantly the radiation involved, particularly in case of infants and children, whose tissues are more radiosensitive than the adults. Identification of air by Ultrasonography can help direct needles and wires, to accomplish procedures which may otherwise need CT. A 1-day-old infant with respiratory distress syndrome (RDS) on a ventilator, developed an expanding symptomatic pneumopericardium/pneumomediastinum. The patient was too unstable to leave the neonatal intensive care unit (NICU), so a pericardial/mediastinal drain was placed under ultrasonographic and radiographic guidance. This case, highlights a method for bedside treatment of pneumopericardium/pneumomediastinum in an unstable neonate. This procedure may be equally effective in older children and adults.
First case of 18F-choline uptake in acoustic schwannoma after stereotactic radiotherapy
Authors: Arico Demetrio , Giardina Claudio , Tuscano Carmelo , Picone Antonio , Militano Vincenzo
Published: April 2019

A 69-year-old male patient, with bilateral hypoacusia and tinnitus, had a diagnosis of left vestibular schwannoma with synchronous meningioma on the left frontal lobe. After partial surgical resection of the acoustic schwannoma, this was followed by stereotactic radiosurgery on the residual lesion. The patient had a metachronous prostate cancer treated with conformal radiotherapy associated to 6 months of hormone therapy with luteinizing hormone/releasing hormone analog. During follow-up, prostate-specific antigen value increased to 0.27 ng/mL and the patient underwent 18F-methylcholine positron emission tomography/computed tomography (18F-choline PET/CT). The whole-body scan demonstrated a focus of increased uptake at level of the left cerebellopontine angle and at the left frontal lobe, corresponding to the known vestibular schwannoma and meningioma. A subsequent brain contrast-enhanced magnetic resonance imaging (MRI) showed an increased dimension of the left cerebellopontine neuroma and dimensional stability of the left frontal meningioma compared with previous MRI of 6 months earlier. To the best of our knowledge, we describe the first case of a 18F-choline PET/CT demonstrating a relapse of a vestibular schwannoma after stereotactic radiotherapy.
Semiquantitative assessment of osteoblastic, osteolytic, and mixed lytic-sclerotic bone lesions on fluorodeoxyglucose positron emission tomography/computed tomography and bone scintigraphy
Authors: Gurkan Guray , Sarikaya Ismet , Sarikaya Ali
Published: April 2019

Bone scintigraphy is widely used to detect bone metastases, particularly osteoblastic ones, and F-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) scan is useful in detecting lytic bone metastases. In routine studies, images are assessed visually. In this retrospective study, we aimed to assess the osteoblastic, osteolytic, and mixed lytic-sclerotic bone lesions semiquantitatively by measuring maximum standardized uptake value (SUVmax) on FDG PET/computed tomography (CT), maximum lesion to normal bone count ratio (ROImax) on bone scintigraphy, and Hounsfield unit (HU) on CT. Bone scintigraphy and FDG PET/CT images of 33 patients with various solid tumors were evaluated. Osteoblastic, osteolytic, and mixed lesions were identified on CT and SUVmax, ROImax, and HU values of these lesions were measured. Statistical analysis was performed to determine if there is a difference in SUVmax, ROImax, and HU values of osteoblastic, osteolytic, and mixed lesions and any correlation between these values. Patients had various solid tumors, mainly lung, breast, and prostate cancers. There were 145 bone lesions (22.8% osteoblastic, 53.1% osteolytic, and 24.1% mixed) on CT. Osteoblastic lesions had a significantly higher value of CT HU as compared to osteolytic and mixed lesions (P < 0.01). There was no significant difference in mean ROImaxand mean SUVmaxvalues of osteolytic and osteoblastic bone lesions. There was no correlation between SUVmaxand ROImax, SUVmaxand HU, and ROImaxand HU values in osteolytic, osteoblastic, and mixed lesions (P > 0.05). Not finding a significant difference in SUVmaxand ROImaxvalues of osteoblastic, osteolytic, and mixed lesions and also lack of correlation between SUVmax, ROImax, and HU values could be due to treatment status of the bone lesions, size of the lesion, nonmetastatic lesions, erroneous measurement of SUVmaxand ROImax, or varying metabolism in bone metastases originating from various malignancies.
Diagnostic accuracy of technetium-99m-octreotide in imaging neuroendocrine tumors, Oman hospital experience with literature review
Authors: Al Bulushi Naima , Al Suqri Badriya , Al Aamri Marwa , Al Hadidi Aymen , Al Jahdami Hafidh , Al Zadjali Mohammed , Al Risi Mimouna
Published: April 2019

The aim of this observational cross-sectional study with retrospective review of the data is to evaluate the efficacy of using technetium-99m-octreotide (Tc-99m-OCT) in imaging neuroendocrine tumors (NETs) in our tertiary care hospital. A total of 58 patients had Tc-99m-OCT were identified in our database, from January 2013 to December 2016. Forty-one patients (age range of 15–75 years) meet our inclusion criteria, namely histopathology proven NETs, Tc-99m-OCT scan, computed tomography (CT), or magnetic resonance imaging (MRI) done in our institute for correlation. Twenty-three patients had true positive Tc-99m-OCT scan. In addition to the primary tumors, the octreotide scan revealed metastasis in the lung, liver, and retroperitoneal lymph nodes. The smallest lesion detected on octreotide scan was a 4-mm pulmonary nodule that was missed on lung window CT scan. The Tc-99m-OCT had 17 true negative, one false negative, and no false positive. The CT and MRI scans had 18 true positive, 17 true negative, 5 false negative, and one false positive. The overall sensitivity, specificity, accuracy, positive, and negative predictive values of Tc-99m-OCT scan were 96%, 100%, 97%, 100%, and 94%, respectively. Whereas those of CT and MRI were 78%, 94%, 85%, 94%, and 77%, respectively. Our diagnostic accuracy of Tc-99m-OCT is high. We recommend that, in addition to the conventional radiological investigations, Tc-99m-OCT scan, or other somatostatin receptor imaging (SSR) is a mandate for better and accurate staging of patients with NETs.
A new role for fluorine-18-fluorodeoxyglucose positron-emission tomography/computed tomography in Erdheim-Chester disease
Authors: Van Keerberghen Ciska-Anne , Harrouk Antoine , Leone Luca
Published: April 2019

Erdheim-Chester disease (ECD) is a rare form of non-Langerhans cell histiocytosis, with multisystem manifestation such as bone pain, being the most common presenting symptom, cardiovascular or central nervous system involvement, interstitial lung disease, skin and orbital lesions, adrenal enlargement, retroperitoneal fibrosis and renal impairment as well fever, and weight loss. The disease is challenging to diagnose due to its rarity and mimicry of other infiltrative processes. Technetium-99 m bone scintigraphy showing pathological bone activity in the long bones is highly suggestive of ECD. However, not all patients have bone complaints. Till now, fluorine-18-fluorodeoxyglucose positron-emission tomography/computed tomography (18F-FDG PET/CT) was especially used after histological diagnosis to determine disease activity and extent, as well as the evaluation of treatment response. With this case, we suggest an additional role for 18F-FDG PET/CT earlier on in the diagnosis workup as follows: detecting a possible biopsy site to establish the diagnosis of ECD especially in a clinical context without bone pain.
Intra-regional transport of black carbon between the south edge of the North China Plain and central China during winter haze episodes
Authors: Zheng Huang , Kong Shaofei , Wu Fangqi , Cheng Yi , Niu Zhenzhen , Zheng Shurui , Yang Guowei , Yao Liquan , Yan Qin , Wu Jian , Zheng Mingming , Chen Nan , Xu Ke , Yan Yingying , Liu Dantong , Zhao Delong , Zhao Tianliang , Bai Yongqing , Li Shuanglin , Qi Shihua
Published: April 2019

Abstract. Black carbon (BC), which is formed from the incomplete combustion of fuel
sources (mainly fossil fuel, biofuel and open biomass burning), is a
chemically inert optical absorber in the atmosphere. It has significant impacts
on global climate, regional air quality and human health. During
transportation, its physical and chemical characteristics as well as
its sources change dramatically. To investigate the properties of BC (i.e.,
mass concentration, sources and optical properties) during intra-regional
transport between the southern edge of the North China Plain (SE-NCP) and
central China (CC), simultaneous BC observations were conducted in a megacity
(Wuhan – WH) in CC, in three borderline cities (Xiangyang – XY, Suixian –
SX and Hong'an – HA; from west to east) between the SE-NCP and CC, and in a
city (Luohe – LH) in the SE-NCP during typical winter haze episodes. Using
an Aethalometer, the highest equivalent BC (eBC) mass concentrations and the
highest aerosol absorption coefficients (σabs) were found in
LH in the SE-NCP, followed by the borderline cities (XY, SX and HA) and WH.
The levels, sources, optical properties (i.e., σabs and
absorption Ångström exponent, AAE) and geographic origins of eBC were
different between clean and polluted periods. Compared with clean days,
higher eBC levels (26.4 %–163 % higher) and σabs
(18.2 %–236 % higher) were found during pollution episodes due to
the increased combustion of fossil fuels (increased by
51.1 %–277 %), which was supported by the decreased AAE values
(decreased by 7.40 %–12.7 %). The conditional bivariate probability
function (CBPF) and concentration-weighted trajectory (CWT) results showed
that the geographic origins of biomass burning (BCbb) and fossil
fuel (BCff) combustion-derived BC were different. Air parcels
from the south dominated for border sites during clean days, with
contributions of 46.0 %–58.2 %, whereas trajectories from the
northeast showed higher contributions (37.5 %–51.2 %) during
pollution episodes. At the SE-NCP site (LH), transboundary influences from
the south (CC) exhibited a more frequent impact (with air parcels from this
direction comprising 47.8 % of all parcels) on the ambient eBC levels
during pollution episodes. At WH, eBC was mainly from the northeast transport
route throughout the observation period. Two transportation cases showed that
the mass concentrations of eBC, BCff and σabs
all increased, from upwind to downwind, whereas AAE decreased. This study
highlights that intra-regional prevention and control for dominant sources at
each specific site should be considered in order to improve the regional air
quality.