Miracle-dz/UniFAR-FTUs huggingface dataset:
Revisiting sulphide mineral flotation : A few priorities and directions

Scientists and technologists in world over are making large efforts to streamline the conventional technological schemes of ore processing, in particular froth flotation towards reducing overall costs, limiting the use of dangerous substances, decreasing waste streams and improving waste disposal. Hitherto, search for such innovations has been performed mainly empirically and there is an urgent need to shift these technologies to be more innovative and effective. Understanding of the fundamental concepts of aquatic chemistry of minerals–selective adsorption and selective redox reactions at mineral–solution interfaces would impact innovating conventional flotation process. Molecular-level knowledge and coherent understanding of minerals contacted with aqueous solutions is required which underlie great opportunities in controlling mineral–solution interfaces towards the grand challenge of tomorrow’s science and mineral processing technology. Aqueous redox chemistry of sulphides and adsorption mechanisms, the problems of metal sulphides selectivity against pyrite and fine particle flotation have been highlighted and discussed in the light of literature. The requisite knowledge and research needs to address these issues have also been briefly presented.
NREL Unsteady Aerodynamics Experiment in the NASA-Ames Wind Tunnel: A Comparison of Predictions to Measurements

Currently, wind turbine designers rely on safety factors to compensate for the effects of unknown loads acting on the turbine structure. This results in components that are overdesigned because precise load levels and load paths are unknown. To advance wind turbine technology, the forces acting on the turbine structure must be accurately characterized because these forces translate directly into loads imparted to the wind turbine structure and resulting power production. Once these forces are more accurately characterized, we will better understand load paths and can therefore optimize turbine structures. To address this problem, the National Renewable Energy Laboratory (NREL) conducted the Unsteady Aerodynamics Experiment (UAE), which was a test of an extensively instrumented wind turbine in the giant NASA-Ames 24.4-m (80 feet) by 36.6-m (120 feet) wind tunnel. To maximize the benefits from testing, NREL formed a Science Panel of advisers comprised of wind turbine aerodynamics and modeling experts throughout the world. NREL used the Science Panel's guidance to specify the conditions and configurations under which the turbine was operated in the wind tunnel. The panel also helped define test priorities and objectives that would be effective for wind turbine modeling tool development and validation.
Relationship between Kaizen Events and Perceived Quality Performance in Indian Automobile Industry

The automotive component industry in India is around two-thirds the size of the OEM (Original Equipment Manufacturer) segment and this proportion is around one to two times in mature markets like Europe, America and Japan. To face the competition, most of the automotive component manufacturing organizations including Indian companies have turned to ‘Kaizen Events’ in the process of lean initiatives and continuous improvement to gain the benefits. This research studied the impact of Kaizen events on perceived employee performance and examined the relationships between Kaizen Event Indicators (KEI) and Perceived Employee Performance Indicators (PEPI) in Indian automotive component manufacturing organizations. The term perceived employee performance (PEP) is an important element in the process of effective Kaizen event implementation. Many organizational problems are related to employee performance, and successful implementation of Kaizen events is perceived to be dependent on employee performance of the organization.
A comparison of sleep habits and electronic media usage among Japanese children: a cross-sectional study

Background Children are increasingly exposed to electronic media, which can potentially influence sleep habits. Few studies have investigated how children’s life patterns affect their sleep habits and electronic media usage. This study aimed to elucidate differences in sleep habits and electronic media usage among 18-month and 42-month old children attending nursery schools or kindergartens or staying at home.Methods We included 183 18-month-old children (boys, n = 93; girls, n = 90) and 215 42-month-old children (boys, n = 104; girls, n = 111) who underwent health check-ups. Data concerning sleep habits and electronic media usage time were obtained by caregivers and compared using the chi-square test, Mann–Whitney U-test, and Bonferroni–Dunn post hoc analysis.Results At 18 months old, children attending nursery school had significantly earlier wake times on weekdays and shorter sleep duration on weekends than children staying at home, although there were no significant differences in electronic media usage. There were no significant differences in sleep duration among 42-month-old children attending nursery schools, kindergartens, or staying at home; however, children attending kindergarten demonstrated a higher use of portable and home video games.Conclusion Different life patterns affected electronic media usage in preschool children, especially those attending kindergarten. Particular attention should be paid to the higher usage of electronic media devices by kindergarten-attending children, although they slept for the same amount of time as other preschool children. Future studies are required to assess the content of electronic games and the ways in which preschool children use their time.
LEDs for General Illumination: The State of the Science

Abstract Light emitting diodes (LEDs) are emerging as a viable source for the general illumination of the built environment. Recent product development efforts have focused on four areas: increased light output, increased conversion efficiency, minimization of color shifts, and increased color rendering index (CRI) for white LED sources. Although little can be argued against the first three areas of development, using CRI as a spectral design criterion may be misguided. Other measures of color preference or color discrimination may be better suited to optimize LEDs for general illumination. In the future, due to the nature of the LED spectral distributions, virtually any source spectrum may be possible, which begs the question: should product development efforts aim to match reference sources that are not optimal in terms of color preference or discrimination? This paper summarizes current theories about LEDs and color. Color shift is discussed as it relates to temperature, age, input current, and dimming. The methods of making white light with LEDs are described and contrasted in terms of chromaticity coordinates, correlated color temperature (CCT), and CRI. The colorimetric potential of LEDs is discussed in consideration of numerous measures of colorimetric performance.
Medical Devices, Supporting Networks, and Their Vulnerabilities: A Case Study of the Integration of Medical Networks into the Air Force Information Network

Abstract : With the implementation of "one Air Force, one network" under way it is important to look at how the Air Force plans to incorporate the medical field and its unique systems, networks, and mission. The medical field presents distinctive problems not seen in other areas. Open network vulnerabilities in the medical information systems not only pose a problem for the individual, but to the military service also. Possible security holes provide both access to vital military & personal information (end strength numbers, current status of personnel, social security), and a door way into the "network". Intruders now can possibly access command & control systems and other weapon systems. This research provides insight into the current & future information initiatives dealing with the Air Force's medical field and the Department of Defense's approach to system security. This research additionally looks at the laws and regulations dealing with privacy and ethical issues. This purview starts with the recently enacted Healthcare Insurance Portability and Accountability ACT (HIPPA), and concludes with the Laws of Armed Conflict. The research questions were answered through the use of a Case Study and a comprehensive literature review. The medical and network support teams from two Air Force medical facilities were the basis of this study.
Industry Involvement in a Senior Design Environment: Circuit Board Optimization

Background: Check fraud is a critical issue in the financial community, costing financial institutions and commercial customers approximately $12 billion per year. Proposed solution: In order to prevent check fraud, our sponsor created a product to detect the authenticity of a check. It was deemed that the product needed additional features, board modifications, circuitry reduction and power improvement. As part of senior design projects in the Electronics Engineering Technology Program at the University of North Texas, the sponsoring company assigned our group the task of carrying out these improvements by examining the board circuitry and diagrams that integrate the product. These improvements will enable the product to operate using USB technology and to perform successfully with ease. The project involved analog and digital designing, an understanding of electro-optics, software, hardware and business analysis. The project was successfully completed and demonstrated to the satisfaction of our clients.
8TH INTERNATIONAL PAPER AND COATING CHEMISTRY SYMPOSIUM 2012: The use of fluorescence microscopy and image analysis to characterize the porous structure in micro fibrillar cellulose gel – Part I: Brownian motion

The porous structure of a micro fibrilar cellulose, MFC, gel was studied by fluorescence microscopy and image analysis. The Brownian motion of fluorescent labelled carboxylated latex spheres, probes, was investigated at both high, 0.1-5 wt%, and low, 0-20 ppm, concentrations of MFC. The developed tracking program provides trajectories for probes. The trajectories can be studied according to either the individual approach or the ensemble approach to give complementary information regarding the fibrilar system. The Brownian motion can be used in the range 0 to 1.0 wt% MFC and the percentage of idle probes can be used when the concentrations exceeds 1.0 wt% MFC. The Brownian motion was found to be pH dependent both for the low and the high concentration regimes.
THE PECULIARITIES OF MENTAL DEVELOPMENT IN PRESCHOOL CHILDREN WITH ATTENTIVE DEFICIENCY SYNDROME 
WITH HYPERACTIVITY

The article is devoted to the analysis of the peculiarities of the early manifestations of attention deficit with hyperactivity disorder (ADHD) in preschool children. The topic of ADHD requires a detailed psychological analysis. Such work will allow the formation of methodological and theoretical tools, the need for which is now felt by the practical psychologists. The following research methods have been used: theoretical analysis, generalization of scientific approaches, theoretical modeling, symptomatic analysis. Based on the data obtained, a unified theoretical and methodological model has been developed that allows to carry out the comprehensive analysis of the developmental features of preschool children. The analysis of the developmental features of the child in the early stages of ontogenesis can be carried out along several axes, which go through several stages of their formation, which are accompanied by dynamic changes such as interfunctional relationships and the child’s worldview is shown. A comparison of the results of studies of the features of the early stages of children development with ADHD has allowed to expose a deficit axis of development, changes in the formation of which lead to the appearance of children’s behavioral disorders of such a group. The peculiarities of the passage of the axes development in the process of ontogenesis also makes it possible to identify the mechanisms of their correction and habilitation, which has undoubted practical value. At the moment, this integrative model has already shown its practical value. A number of correctional development programs, as well as support programs, have been worked out. The results of empirical studies show their high efficiency. In addition, the model demonstrates its high efficiency in advising family members and child support groups, in particular, when conducting psycho-educational work.
Certification of forest products : issues and perspectives

As public awareness of the problem of deforestation has grown, a variety of consumer-based approaches to addressing the issue have emerged. One of the most innovative of those is forest product certification. Products derived from forests that have been managed and harvested in a sustainable manner are certified as such, thus providing consumers with a direct means of addressing deforestation and creating a positive incentive for improving forest management practices around the world.This volume presents an overview of the mechanics, background, and implications of voluntary certification programs. It features perspectives from all parties involved, from both southern and northern hemispheres, including the forest products industry, indigenous communities, academics, biologists, certifiers, policymakers, environmental activists, and retailers.Among the topics considered are: the development of market-based conservation initiatives elements involved in certification biological aspects of forest auditing implications of forest product certification importance of cooperation among all parties involved The book traces the history of certification, the development of an internationally agreed upon set of forest management principles, and the various certification programs currently underway. In addition to providing the most current information on the certification process itself, it includes a valuable discussion and analysis of the social and political context in which certification must function. "Certification of Forest Products" brings clarity to a highly debated and poorly understood topic, and is an important work for anyone concerned with deforestation and the methods available foraddressing it.
Smart cameras on a chip: Using complementary metal-oxide-semiconductor (CMOS) image sensors to create smart vision chips

Abstract: In this chapter, we introduce the fundamental concept of smart cameras on a chip or smart vision chips that simultaneously integrate the same die image capture capability and highly complex image processing. Successive technology scaling has made possible the integration of specific processing elements designed at chip level, at column level or at pixel level. To illustrate this continuous evolution, we survey three different categories of vision chips, exploring first the pioneering works on artificial retinas, then describing the most significant computational chips, and finally presenting the most recent image processing chips able to perform complex algorithms at a high frame rate.
CRKL but not CRKII Inhibits Erythropoiesis and Megakaryopoiesis of CML via Inactivating Raf/MEK/ERK/Elk-1 Pathway

Background: As members of the CT10 regulation of kinase (CRK) adaptor protein family, CRK-like (CRKL) and CRKII are involved in cell proliferation, survival, adhesion, migration and differentiation. However, the exact role and underlying mechanism of CRKL and CRKII in leukemic cell differentiation are still unknown. Methods: Quantitative real-time qPCR (qRT-PCR) was used to detect the expression levels of CRKL and CRKII in chronic myeloid leukemia (CML) patients and complete remission (CR) patients; Western blotting (WB) was used to measure the expression levels of CRKL and CRKII during hemin-induced erythroid differentiation of K562 cells; Benzidine staining, isobaric tags for relative and absolute quantitation (iTRAQ) proteomic analysis, cDNA microarray assay, qRT-PCR and WB were used to examine the effects of CRKL and CRKII deregulation on erythroid and megakaryocyte differentiation of K562 cells; PD98059 was used to investigate the underlying mechanism of CRKL in erythropoiesis and megakaryopoiesis. Results: CRKL was found to be overexpressed in chronic myeloid leukemia (CML) patients compared with normal samples, while its expression level was lower in CR patients than in corresponding CML patients. The CRKL expression level was significantly decreased during the erythroid differentiation of K562 cells following hemin treatment. Moreover, CRKL downregulation promoted erythroid and megakaryocyte differentiation of K562 cells accompanied by increased expression level of the erythroid differentiation markers γ-globin, glycophorin (GPA) and the megakaryocyte differentiation markers CD41, CD61. Furthermore, gene microarray and iTRAQ quantitative proteomic analysis showed that CRKL downregulation increased hemoglobin (HB) molecules HBD, HBA1, HBA2, HBZ, HBE1, HBG1 and globin transcription factor 1 (GATA1), high-mobility group protein (HMGB2) expression levels. Mechanistically, CRKL inhibited erythroid and megakaryocyte differentiation of K562 cell via inactivating Raf/MEK/ERK/Elk-1 pathway. Conversely, CRKII was only slightly overexpressed in CML patients and had no effect on erythroid differentiation of K562 cells. Conclusions: Taken together, our results demonstrate that CRKL but not CRKII contributes to development, progression, erythropoiesis and megakaryopoiesis of CML, providing novel insights into effective diagnosis and therapy for CML patients.
Channelized Rivers: Perspectives for Environmental Management

Conventional River Engineering. ENVIRONMENTAL LEGISLATION. Legislative Framework. EFFECTS OF CHANNELIZATION. Physical Effects. Biological Impacts. Downstream Consequences. RECOMMENDATIONS. Revised Construction Procedures. Mitigation, Enhancement, and Restoration Techniques. POSTSCRIPT AND PROSPECTS. Appendix. References. Indexes.
Errata: Influência da privação visual no desempenho do teste de 10rm em homens treinados

O objetivo do estudo foi avaliar e comparar a carga deslocada noteste de 10 RM sob as condições com e sem a privação visual. A amostra foicomposta por 13 homens treinados em força (idade 27,7 ±3 anos). Foramrealizadas quatro sessões para teste e reteste de 10 RM nos exercícios: Supinohorizontal (SH) e Hack Machine (HM). Para a análise estatística, foi utilizado otest T pareado para comparar os resultados obtidos. Como resultado obtivemosque a carga deslocada com privação visual (PV) no (SH) foi de 150 kg e semprivação (SPV) foi de 135 kg, e para o HM CPV a carga foi de 54 kg e SPV 48 kg.Com base nos resultados apresentados, conclui-se que a carga deslocada CPVfoi significativamente maior do que com a visualização das cargas.
Military Experts' Estimates of Continuous Operations Performance (or Close but No Cigar)

Abstract : The feasibility of supplementing human performance data with estimates of performance in adverse environments was examined for cases where no hard data is available for use in land combat models. The accuracy of military experts' estimates of performance in continuous operations was evaluated by examining the amount of convergence between samples of estimates made by military officers and actual performance values obtained in four field exercises. There was strong agreement among the officers in their predictions of performance. However, the officers' predictions of performance did not agree with actual performance measures obtained in the field exercises.
Employing U.S. Army Special Forces to Defeat America's Emerging Threats

Abstract : Following the 9/11 attacks, the U.S. invaded Afghanistan and Iraq while targeting al-Qa ida (AQ) and other transnational terrorist organizations in order to neutralize America s security threats. U.S. Army Special Forces (SF) supported Operations Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF) by conducting Unconventional Warfare (UW) operations. After the overthrow of the Taliban and Saddam s government, SF transitioned from UW to Foreign Internal Defense (FID), creating the Afghan and Iraqi Army Commandos who led the way for their new governments security. Today, the U.S. and our Special Operations Forces (SOF) focus heavily on Surgical Strike missions, specifically Counter Terrorism (CT) and Direct Action (DA) operations as we continue to target AQ and other terrorist organizations. This focus on Surgical Strike operations and underutilization of SOF in Special Warfare operations such as FID and UW may limit DOD's ability to defeat emerging threats. This paper will examine Special Warfare operations, specifically FID, Preparation of the Environment (PE) and UW and how the application of these missions can efficiently support long term U.S. national security objectives.
Preliminary Uncorrelated Encounter Model of the National Airspace System

Airspace encounter models, covering close encounter situations that may occur after standard separation assurance has been lost, are a critical component in the safety assessment of aviation procedures and collision avoidance systems. Of particular relevance to Unmanned Aircraft Systems is the potential for encountering general aviation aircraft that are flying under Visual Flight Rules (VFR) and which may not be in contact with air traffic control. In response to the need to develop a model of these types of encounters, Lincoln Laboratory undertook an extensive radar data collection and modeling effort. This report describes the structure and content of that encounter model.
Human Factors Issues When Operating Underwater Remotely Operated Vehicles and Autonomous Underwater Vehicles

Abstract : There has been a great deal of human factors research on unmanned air vehicles (UAVs) and unmanned ground vehicles (UGVs) in large due to a high number of operator related mishaps. However, there is very little research examining the unique human factors problems associated with unmanned underwater vehicles (UUVs). The lack of research is surprising as there are frequent anecdotal accounts ROV entanglement, collisions, and failures. In addition, militaries are now using UUVs for search and rescue and mine countermeasure (MCM) operations and in the future, UUVs will take on critical roles in intelligence, surveillance, and reconnaissance (ISR), anti-submarine warfare (ASW) and even time critical strike operations. In this paper, it is argued that the underwater environment presents unique challenges to operating UUVs that are different from the challenges of UGV and UAV systems. Several common human factors problems are discussed when using UUVs, including the loss of sensory cues and spatial awareness, the control of the remote vehicle, problems with situation awareness and workload, problems with trust in automation, and challenges with human robot communication. In each case, these issues are discussed with respect to underwater operations.