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الجدول البلوري : تشانغ غي تشيون
يهدف هذا الكتاب \"الجدول البلوري تشانغ غي تشيون\" تأليف هاي أوك لي إلى تحسين القدرة على التفكير من خلال تقديم الأمور الأساسية للأطفال الذين يتعلمون الرياضيات للمرة الأولى ويعمل على استثمار الطفل في بناء المهارات المختلفة المرتبطة بالخيال والإبتكار وقوة الشخصية والبحث عن حلول إبداعية وتستمد الطفل الكثير من العلم والمعرفة والمعلومات.
Book
Tools for assessing fall risk in the elderly: a systematic review and meta-analysis
The prevention of falls among the elderly is arguably one of the most important public health issues in today’s aging society. The aim of this study was to assess which tools best predict the risk of falls in the elderly. Electronic searches were performed using Medline, EMBASE, the Cochrane Library, CINAHL, etc., using the following keywords: “fall risk assessment”, “elderly fall screening”, and “elderly mobility scale”. The QUADAS-2 was applied to assess the internal validity of the diagnostic studies. Selected studies were meta-analyzed with MetaDisc 1.4. A total of 33 studies were eligible out of the 2,321 studies retrieved from selected databases. Twenty-six assessment tools for fall risk were used in the selected articles, and they tended to vary based on the setting. The fall risk assessment tools currently used for the elderly did not show sufficiently high predictive validity for differentiating high and low fall risks. The Berg Balance scale and Mobility Interaction Fall chart showed stable and high specificity, while the Downton Fall Risk Index, Hendrich II Fall Risk Model, St. Thomas’s Risk Assessment Tool in Falling elderly inpatients, Timed Up and Go test, and Tinetti Balance scale showed the opposite results. We concluded that rather than a single measure, two assessment tools used together would better evaluate the characteristics of falls by the elderly that can occur due to a multitude of factors and maximize the advantages of each for predicting the occurrence of falls.
Journal Article
Predictive validity of the Edinburgh postnatal depression scale and other tools for screening depression in pregnant and postpartum women: a systematic review and meta-analysis
PurposeTo compare the predictive validity of the Edinburgh Postnatal Depression Scale (EPDS) and other tools for screening depression in pregnant and postpartum women through a systematic review and meta-analysis.MethodsAn electronic search of MEDLINE, EMBASE, CINAHL, and PsycArticles databases was conducted using the following keywords: depression, perinatal-related terms, and EPDS. Quality Assessment of Diagnostic Accuracy Studies-2 was used to assess the risk of bias in diagnostic studies.ResultsThe search identified 823 articles, of which 17 studies met the inclusion criteria. In 1831 pregnant women from nine studies, pooled sensitivity and specificity of the EPDS were 0.81 and 0.87, respectively, with summary receiver operating characteristic (sROC) curve of 0.90. In 515 postpartum women from six studies, pooled sensitivity, specificity, and sROC were 0.79, 0.92, and 0.90, respectively. We then compared the EPDS with other tools using three or more studies. The sROC curve of the Patient Health Questionnaire-9 was 0.74, which was lower than that (0.86) of the EPDS. The sROC curve of the Beck Depression Inventory and the ten-item Kessler Psychological Distress Scale was 0.91, similar to that of the EPDS (0.90 and 0.87). However, in comparison with the Postpartum Depression Screening Scale (0.98), the sROC curve of the EPDS was 0.54.ConclusionAs a tool specialized for screening depression in pregnant and postpartum women, the EPDS showed excellent performance. Thus, the EPDS can be used in preference to other tools to screen for depression in perinatal women at a primary care setting or a midwifery center.
Journal Article
The story of Iron Man
Tells the story of Tony Stark, a weapons contractor who develops a suit of armor he wears when fighting crime as Iron Man.
Book
Highly stretchable polymer semiconductor films through the nanoconfinement effect
Soft and conformable wearable electronics require stretchable semiconductors, but existing ones typically sacrifice charge transport mobility to achieve stretchability. We explore a concept based on the nanoconfinement of polymers to substantially improve the stretchability of polymer semiconductors, without affecting charge transport mobility. The increased polymer chain dynamics under nanoconfinement significantly reduces the modulus of the conjugated polymer and largely delays the onset of crack formation under strain. As a result, our fabricated semiconducting film can be stretched up to 100% strain without affecting mobility, retaining values comparable to that of amorphous silicon. The fully stretchable transistors exhibit high biaxial stretchability with minimal change in on current even when poked with a sharp object. We demonstrate a skinlike finger-wearable driver for a light-emitting diode.
Journal Article
This is Spider-Man
Details the life of Peter Parker, high school student, and his alter ego, Spider-Man.
Book
The Link Between (Not) Practicing CSR and Corporate Reputation: Psychological Foundations and Managerial Implications
It is often assumed that corporate social responsibility (CSR) is a very promising way for corporations to improve their reputations, and a positive link between practicing CSR and corporate reputation is supported by empirical evidence. However, little is known about the mechanisms that underlie this relationship. In addition, the effects of not practicing CSR on corporate reputation have received little attention thus far. This paper contributes to the literature by analyzing the cause-andeffect relationships between (not) practicing CSR and corporate reputation. To this end, the paper draws on a psychological framework, in particular, on insights from expectancy violations theory and attribution theory. Building on the ideal-type distinction between CSR in terms of voluntary engagement for society (\"doing good\") and the prevention of irresponsible behavior (\"avoiding bad\"), the paper develops four propositions that unveil some fundamental cause-and-effect relationships between (not) practicing CSR, irresponsible behavior, and corporate reputation. In doing so, it also addresses the question under which conditions CSR leads to a buffering or backfiring effect on corporate reputation in the event of irresponsible behavior.
Journal Article
This is Iron Man
Describes Tony Stark's alter ego, Iron Man, including his friends, powers, and super suit.
Book
Climate change health risks and workplace protective strategies for construction workers
Climate change increasingly threatens occupational health, with construction workers facing elevated risks due to prolonged outdoor exposure. Although individual risk factors are well documented, workplace-level protective strategies integrating multi-stakeholder perspectives remain limited. To develop an integrated framework identifying climate change factors threatening construction workers’ health, examine associated health impacts, and propose evidence-based workplace protective strategies. Three focus group interviews were conducted with 23 construction sector experts, including eight government officials specializing in outdoor labor conditions and fifteen industry health managers with extensive experience in climate-related occupational health management. Data were collected between January and March 2021 and analyzed using systematic thematic analysis following established qualitative frameworks. Analysis revealed four interconnected themes comprising 24 categories: (1) climate factors affecting construction workers (heat waves, humidity, cold waves, fine particulate matter); (2) health problems encompassing direct physiological effects (heat stroke, cardiovascular events, respiratory dysfunction) and indirect outcomes (musculoskeletal disorders, increased accident rates); (3) systemic and organizational barriers including inadequate rest facilities, insufficient budgets, inflexible schedules, and limited managerial awareness; and (4) protective strategies requiring policy integration, including climate-specific regulatory standards, weather-contingent scheduling, multi-level education programs, enhanced health manager capacity, mandated rest facilities, and advanced protective technologies. This study presents the first comprehensive practitioner-informed framework integrating climate risks, health impacts, and protective strategies for construction workers. Effective protection demands coordinated policy action, organizational investment, and technological innovation rather than fragmented safety measures. The framework provides actionable guidance for policymakers and industry stakeholders globally. As findings reflect Korean construction sector practitioners’ perspectives, future research should include climate scientists and validate findings across diverse settings.
Journal Article