Miracle-dz/UniFAR-FTUs huggingface dataset:
Slotted Squares With Triangles Structure Integrate Over RMPA For Enrichment Of Variant Parameters

In this paper Rectangular Microstrip Patch Antenna with "Slotted squares with triangles" shaped metamaterial cover is designed and replicate at a height of 3.2mm from the ground plane.The antenna along with the proposed metamaterial cover is designed to resonate at 1.9 GHz frequency . But the proposed metamaterial structure cover significantly reduces the return loss and increases the bandwidth, and directivity of the antenna in comparison to rectangular microstrip patch antenna alone. The proposed antenna is suitable for application of WLAN requiring 32.3 MHz bandwidth space and reduced return loss, of about - 39.24dB . Hence there is increase in directivity of the metamaterial about 7.023Db . The purpose of this work is to design a compact and efficient antenna with simultaneous negative permittivity and permeability or the so-called Left Handed Metamaterial. Nicolson-Ross- Weir approach has been used for verifying the double- negative properties of the proposed metamaterial
JOB SATISFACTION AMONG INTENSIVE CARE UNIT AND EMERGENCY DEPARTMENT NURSES IN GREECE

Introduction:A number of factors are positively or negatively related to the degree of satisfaction of nurses from their work. Thepurposeof this study was to explore the level of satisfaction of nurses working in Intensive Care Units (ICU) and in Emergency Departments (EDs) in Greece.Material and method:The sample of the study consisted of 151 nurses and nursing assistants working in ICUs and in EDs.
Quality in Higher Education: internal quality assurance systems and the quality management models

Quality assurance and accreditation processes related to Portuguese higher education are a relatively new phenomenon, deserving special relevance today after the creation, by the Portuguese State, of the Agency for Assessment and Accreditation of Higher Education A3ES. The creation of this organism determined the obligation of Higher Education Institutions (HEIs) accredit their study cycles and, later, implement internal systems for quality assurance. Thus, it is important to realize that these institutions have to decide which direction they have to take to better meet the requirements of the entities that steer them, and meet the needs of the market where they operate. To do this, they need to make strategic decisions that will allow them to apply effective evaluation and quality assurance mechanisms. The implementation of quality assurance internal systems implies that HEIs develop structures, mechanisms, indicators and models that support a dynamic culture of internal evaluation, allowing also responding to the requirements of external evaluation and accreditation systems. With this communication one intends to discuss how quality management models already known and universally accepted, namely ISO 9001 and EFQM, may help to address these requirements and consequently the implementation of such systems in institutions like these, characterized by a very distinct and complex culture.
Men Who Have Sex with Men in Cambodia: Population Size, HIV Risky Behaviors, and HIV Prevalence

Background: Men who have sex with men (MSM) constitute a significant proportion of HIV key populations in Cambodia. We conducted this study to estimate the national population size, assess HIV-related risk behaviors, and determine HIV prevalence among MSM in Cambodia. Methods: This research was conducted in 2014 in 12 study sites in Cambodia. MSM size estimation was performed using capture-recapture method with data collected in two time points within an 18-day interval. To assess HIV risk behaviors, a total of 838 MSM were randomly selected for face-to-face interviews during the capture round. A separate survey using a time location sampling approach was conducted to estimate HIV prevalence. Results: The estimated size of MSM in Cambodia was 31,000. Of the total, 52.0%were in urban areas; 89.0% were sexually active; and 65.0% were reachable MSM. Phnom Penh had the largest MSM population. More than two-thirds (69.4%) of MSM reported always using condoms in the last month. The majority (71.6%) of them reported receiving HIV information, while 66.6% and 49.3% reported having been tested for HIV and sexual transmitted infections (STI), respectively in the past six months. Eight percent reported having at least one STI symptom in the past 12 months; of whom, 93.6% reported receiving treatment for the most recent symptoms.HIV prevalence among MSM in this study was 2.3%. The highest HIV prevalence was found in Siem Reap (5.9%) and Phnom Penh (3.0%). The prevalence was higher among MSM aged 25 years or older (4.6%) and those with lower formal education level (4.5%). MSM who reported sex work being their main job had the highest HIV prevalence (17.2%) compared to those in other occupation categories who had a prevalence ranging from 1.0% to 4.7%. Conclusions: With a population size of approximately 31,000, MSM in Cambodia remain at high HIV risk due to their engagement in multiple risky sexual behaviors. Continued efforts to prevent, manage, and treat HIV in this population are essential to eliminate new HIV infections by 2020. Considerations of sub-groups are imperative to better inform resource allocation to refine the efficacy of intervention programs for this population.
Joint Optimization of Aerodynamics and Aeroacoustics of Side View Mirrors

This thesis is carried out at China Euro Vehicle Technology (CEVT) and aims at developing a method for performing multidisciplinary optimization for automotive applications. Such applications could be to optimize side mirrors, a-pillars, spoilers etc. for disciplines such as aerodynamics, aeroacoustics, contamination etc. For this thesis the optimization is performed in terms of aerodynamics and aeroacoustics on the side view mirrors of a passenger car. Another part of the thesis is to investigate the possibilities to post process and analyse the results, in order to find and understand the design parameters and how they affect the different disciplines. Two design parameters are used in the study. One parameter is the position of the mirror along the car and the other is the angle between the side of the car and the inside of the mirror. The optimization procedure follows four steps. The geometry is first morphed in the pre processing program ANSA into the design that will be simulated. A surface mesh is saved as a geometry representation. The second step is that the surface mesh is loaded into FLUENT meshing which creates the simulation domain and the volume mesh. Step two is performed in two separate session simultaneously, one for the aerodynamic and one for the aeroacoustic simulations. The next step is that the volume mesh is read by FLUENT which simulates the flow and calculates the optimization parameters, drag for the aerodynamic simulations and sound pressure level for the aeroacoustic simulations. The final step is that the optimization program HEEDS determines the new morphing parameters to send to ANSA based on the results from the previous simulations. A bash script was written which reads the design parameters from a separate file and runs ANSA and FLUENT in the correct order. HEEDS changes the design parameters in this separate file and then runs the bash script to obtain the output variables. After the output is obtained the process starts over. It was found that the angle of the inside of the mirror should be increased slightly to reduce drag and SPL. The optimal choice of the x-position seemed to be outside of the investigated interval, moving the mirror as far back on the car as possible was best in terms of drag. The effect the x-position had on the noise on the side window was very small.
Sentiment Classification by Sentence Level Semantic Orientation using SentiWordNet from Online Reviews and Blogs

Sentiment analysis is the procedure by which information is extracted from the opinions, appraisals and emotions of people in regards to entities, events and their attributes. In decision making, the opinions of others have a significant effect on customers ease in making choices regards to online shopping, choosing events, products, entities. In this paper, the rule based domain independent sentiment analysis method is proposed. The proposed method classifies subjective and objective sentences from reviews and blog comments. The semantic score of subjective sentences is extracted from SentiWordNet to calculate their polarity as positive, negative or neutral based on the contextual sentence structure. The results show the effectiveness of the proposed method and it outperforms the machine learning methods. The proposed method achieves an accuracy of 87% at the feedback level and 83% at the sentence level for comments and 97% at feedback and 86 % at sentences for customer reviews.
Evaluation of a Simplified Model of Adsorption Used to Separate Ethanol-water

With the increasing demand for high quality anhydrous ethanol the production process by adsorption cycle is gaining more space among dehydration conventional processes, since the adsorption process does not leave traces of solvent in the final product and when compared with other dehydration processes (extractive and azeotropic distillations) has lower power consumption. However, the design of an adsorptive separation process is complicated and expensive when done in experimental and pilot scale, so a simulation tool is used to assist the design. To make the simulation of the adsorption process, it was chosen GAMS/CONOPT3 software since it presents great robustness in solving mathematical models. However, before the simulation of the pressure swing cycle, it is necessary to assess whether the chosen software is effective to solve the adsorption step. The objective of this work is the simplified simulation of an adsorption column for separation of ethanol-water mixture to evaluate the reliability of GAMS software to simulate the adsorption process. The present results were compared with EMSO software results using the same adsorption model removed from the work of SIMO et. al. (2008), which made the separation of ethanol-water mixture using experimental data.
The Role of Foreign Networks for Trade in Services : Firm-Level Evidence

This study provides novel evidence of a positive and significant influence of firm investment into foreign networks – through the hiring of foreign-born workers in the firm – on both the propensity to export services as well as the intensity in exports. Because trade barriers are higher for services than for goods, and since trade in services is more sensitive to informal trade barriers, firm investment in access to foreign networks could in particular help to increase services exports. Investment in foreign links could benefit the overall access in the same cluster of firms,which, however, lowers the incentive for the individual firm to invest in such linkages itself. This study formalizes this idea that that the world can become ‘smaller’ through firms’ strategic trade-related decisions. We investigate whether firm investment to obtain access to foreign networks impacts exports of services by estimating a fixed effects panel model on a comprehensive firm-level dataset for Sweden and looking in particular at investment in links through the hiring of immigrants. Instrumental variable estimation mitigates the endogeneity concern. In addition to the key finding, our results demonstrate that weaker export experience enhances the role of investment into foreign networks in terms of propensity to export. As an ancillary result, we find that the skill level of foreignborn workers and the time elapsed since immigration also impact the degree to which firms can utilize foreign-born personnel as an investment to gain access to networks abroad. Our results provide a new understanding of how firms can overcome trade barriers that specifically impede services by investing in foreign networks, for example, through the hiring of foreign-born personnel. In this, our study emphasizes the need for policymakers to increase labor market participation among the foreign-born population as to way to promote internationalization in terms of services exports.
Inverse problems in magneto-electroscanning (in encephalography, for magnetic microscopes, etc.)

Contrary to the prevailing opinion about the incorrectness of the inverse MEEG-problem, we prove its unique solvability in the framework of the system of Maxwell’s equations [3]. The solution of this problem is the distribution of y 7→ q(y) current dipoles of brain neurons that occupies the region Y ⊂ R. It is uniquely determined by the non-invasive measurements of the electric and magnetic fields induced by the current dipoles of neurons on the patient’s head. The solution can be represented in the form q = q0 + p0δ ∣∣∣ ∂Y , where q0 is the usual function defined in Y, and p0δ ∣∣∣ ∂Y is a δ-function on the boundary of the domain Y with a certain density p0. It is essential that p0 and q0 are interrelated. This ensures the correctness of the inverse MEEGproblem. However, the components of the required 3-dimensional distribution q must turn out to be linearly dependent if only the magnetic field B is taken into account. This question is considered in detail in a flat model of the situation.
Symbols in Motion: Katari as Traveling Image in Landless Movement Politics in Bolivia

This case study of the Landless Peasant Movement (MST-Bolivia) looks at the contemporary use and value of the image of Tupac Katari, an anti-colonial hero who led a regional insurgency in 1780. The symbol of Katari as resurrected spirit in political tale-telling and on flags and posters mixes with more contemporary icons of landless peasant politics to serve political and economic purposes: redistributing land and resources to displaced peoples. This essay argues that as this symbol travels through time – from a popular sign of Andean politics to a critical emblem of multiculturalism in the 1990s – it takes on new meanings as indigenous peoples make critical links between ethnic/racial identity, uneven resource distribution, and structural inequality. As people move across geographic space – from MST communities to urban centers, from Santa Cruz to La Paz – their symbols stand against new forms of violence and discrimination and infuse regional spaces with hybrid political identities. However, when an image or symbol, once tethered to concrete demands and embodied performances at a local level, moves across scales and turns into a mere symbol of the state, abstracted from material shifts, it loses its capacity to mobilize.
Service System Design Under Uncertainty

We consider designing a service system in which the service provider performs an operation on incoming transactions from a client. In the design process it is critical to balance the cost invested in provisioning the system capacity against the benefit of satisfying the system performance requirements specified in service level agreements with clients. The service capacity decision is based on information on parameters such as transaction arrival rate, service level required by the client, and fixed/variable cost rates. In most cases, some input parameters such as demand/transaction arrival rate are uncertain at design time and values used are estimates. Nonetheless, violating the service level requirement during actual operation may result in a penalty cost. We identify alternative approaches suitable for analyzing this design problem by surveying the literature on service system design and related areas. To compare several selected approaches, we develop a model using each approach to determine the optimal system capacity of a single-server service system. We conclude by presenting our thoughts on when to use what approach.
A standard ecotoxicological bioassay using early life stages of the marine fish Psetta maxima

Fish tests must be developed for both regulatory and conservation reasons, as such testing forms an indis- pensable component of integrated toxicity testing strategy for the marine environment. To standardise a fish embryo test, the acute toxicity of metals and polycyclic aromatic hydrocarbons (PAHs) to early life stages (ELS) of turbot (Psetta maxima) was studied. Embryos were exposed to dilutions of cooper, cadmium, mercury, fluoranthene, phenanthrene, pyrene and naphthalene in darkness and under visible light. Hatching success, yolk sac alterations, pericardial edema, skeletal deformities and mortality were observed. The effective concentrations (EC50 ,E C 10,) no observed effect con- centration (NOEC) and the lowest observed effect concentration (LOEC) were determined at the end of the bioassays. Exposure to metals and PAHs in ecologically relevant concentrations, either in darkness or under artificial light, caused significant lethal and sublethal effects in turbot, such as alterations in yolk sac, pericardial edema and skeletal abnor- malities. According to the 96 h EC50, the ranking of acute toxicity for metals was respectively: 47.4 (46.8-59.2) μ gL −1 Cu; 51.5 (20.9-91.7) μ gL −1 Cd, and 83.2 (62.3-125) μ gL −1 Hg. For PAHs, acute toxicities were 5.2 (4.3-6) μ gL −1 pyrene, 12.3 (6.4-12.7) μ gL −1 fluoranthene, 52.2 (30.4-82.7) μ gL −1 phenanthrene, and 142 (55-228) μ gL −1 naph- thalene. Pyrene was consistently the most toxic PAH. In addition, light exposures were performed and photo-enhanced toxicity was found only for fluoranthene and pyrene. Turbot embryos were found to be more tolerant to metals and PAHs than were hatched larvae. These results suggest that, considering the short duration of the ELS turbot test and its high sensitivity, it is suitable for use as a standard test for marine fish.
Association of genetic variants of β-lactoglobulin gene with milk production in a herd and a superior family of Holstein cattle

Polymorphism of the β-lactoglobulin (β-LG) gene in 101 cows belonging to the Holstein herd and a superior cow, producing more than 150 Kg milk/day, together with four offsprings was investigated by the Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP) method. In the Holstein herd, the alleles A and B of the β-LG gene had frequencies of 0.53 and 0.47, respectively. The genotypes AA, AB and BB of the β-LG gene were estimated to have frequencies of 0.257, 0.544 and 0.198, respectively. Genotypes were distributed according to the Hardy-Weinberg equilibrium. Results indicated that the β-LG genotypes significantly affected (P< 0.01) milk yield (genotype AA being more effective than genotype BB). The superior cow and her progenies were all heterozygotes (AB).
Covert Attention Tracking: Towards Two-Dimensional Real-Time Recordings

Achieving attention tracking as easily as recording eye movements is still beyond reach. However, by exploiting Steady-State Visual Evoked Potentials (SSVEPs) we could recently record in a satisfactory way the horizontal trajectory of covert visuospatial attention in single trials, both when attending target motion and during mental motion extrapolation. Here we show that, despite the different cortical functional architecture for horizontal and vertical motion processing, the same result is obtained for vertical attention tracking. Thus, it seems that trustworthy real-time two-dimensional attention tracking, with both physical and imagined target motion, is not a too far goal.
Mobile Ad Hoc Networks: Comparasion of Multipath Routing Protocols with Unipath Routing Protocols

The latest technology MANETs is being studied widely and attracting a large variety of applications. Due to varying network topology, The most common challenging factor in MANET is routing [1][2]. Future applications of MANETs are expected to be based on all-IP architecture and be capable of carrying multitude real-time multimedia applications such as voice and video as well as data. It is very necessary for MANETs to have an efficient routing and quality of service (QoS) mechanism to support diverse applications. In this research paper, we study the various unipath routing protocols such as DSDV, WRP,GSR,FSR,AODV,DSR,CBRP and various Multipath routing protocols such as AOMDV,SMR,AODVM,MSR.
Now you see them, now you don't, now you might see them again! A review of the systematics of alkylphenol occurrence in conventional and heavy oil petroleum systems.

Alkylphenols are small hydroxylated aromatic compounds that are ubiquitously present in conventional oils and gas condensates at concentrations up to hundreds, or even thousands, of ppm and are found at equilibrium in oil field waters in contact with phenol containing petroleums. They are known to display unique partition behavior within the crude oil / brine / rock phases in petroleum systems, having high vapor pressures, low oil/water partition coefficients and some affinity for solid sorption and these partition properties have been described under reservoir conditions. Alkylphenols can impact fluid rock interactions and reservoir system wettability and it has been shown that they can also change wettability if added to reservoir systems during fluid floods. Generated initially by alkylation and isomerisation reactions in source rocks during petroleum generation, they are removed from petroleum during long range petroleum secondary migration and by advanced levels of in reservoir biodegradation. They can however, be generated by thermal alteration of crude oil polar fractions, including asphaltenes at elevated temperatures. In this paper we review over 30 years of our work on the source rock and high temperature thermal origins, thermodynamics and partition behavior of phenols and also their kinetics of generation at high temperatures during thermal alteration of organic matter. We show how the charged oils to the L. Cretaceous oil sands reservoirs in Alberta, all likely originally contained alkylphenols when sourced, but that the long distances migrated and the heavy and severe biodegradation levels of the oils in the oil sands result in the oils being, now, low molecular weight (C0-C3) phenol free! We also discuss how alkylphenols added to bitumen thermal recovery process fluid streams via injection, or generated during thermal recovery, can impact reservoir state or be used as quantitative tracers of reservoir phase and flow behavior.
Estimating the size of Arabic indexed web content

Various initiatives designed to increase Arabic Web content have been undertaken in recent years, and now search engines are reporting that the Arabic portion of Web content has grown relative to the overall Web content. An accurate estimate of Arabic Web content is crucial for those interested in studying it and enriching it. In this paper, we propose a statistics-based system to estimate the size of Arabic indexed Web content using three popular search engines; Google, Yahoo and Bing. Our system relies on selecting sample words from an Arabic corpus to estimate the size of the Arabic Web content indexed by the search engines and the overlap among them. We have used Arabic Wikipedia as a corpus, as it provides diversified content accessed by a large number of Internet users. Our results show that, as of December 2010, the size of the Arabic indexed Web content was estimated at 2 to 2.1 billion pages. Key words: World Wide Web, the Web, search engine, index size, Arabic content, Internet, corpus.