Miracle-dz/UniFAR-FTUs huggingface dataset:
Designing the Thermal Enhanced Oil Recovery as a Key Technology of High Viscosity Oil Production

Due to the decrease in "easy" oil reserves, oil companies are focusing on "hard-to-recover" reserves, in particular, high-viscosity oil reservoirs. Shallow oil reservoirs are mainly concentrated in the Cretaceous horizons, in the western region of the country, along the Caspian coast. One of them is a high-viscosity oil reservoir, consisting of three Cretaceous horizons. The average viscosity of oil in reservoir conditions is around 746.7 cP. The current achieved oil production is only 5% of the initial recoverable reserves, and designed oil recovery factor is 38% and implies the full-scale application of thermal methods of EOR. The objective of this work was to choose the most suitable thermal method of EOR and to assess the prospects of applicability with the calculation of economic feasibility. Considering the geological features of the reservoir, the cyclic steam stimulation was chosen as the optimal method to increase oil recovery. In order to assess the expediency of this technology, was initiated project on thermal modeling the technology based on the current geological and hydrodynamic model of the field, using the results of laboratory studies, calculations were performed on imagined horizontal wells, and carried out the analysis of technical and economic efficiency. According to the results of calculations on the hydrodynamic model, the production rates using the technology of cyclic steam stimulation in horizontal wells are 30% higher than the production rates of "cold production", and the difference in accumulated oil production over 5 years will be 20–30%.
Compact shift-invariant four-wave mixing correlator by a thin photorefractive crystal plate

A four-wave mixing (FWM) optical correlator created by using a thin photorefractive (PR) bismuth silicon oxide (BSO) crystal plate is demonstrated. The envelope function which limits the shift-invariant range of the volume holographic correlator is derived. The optimum conditions for obtaining a compact shift-invariant FWM correlator are described. Both experimental and simulated results are presented.
Spurious radiation from microstrip

The method of an earlier paper is applied to calculate the disturbances due to a number of discontinuities encountered in typical antenna feed and network structures, such as impedance changes, power dividers, T-junctions, open and short circuits etc., and these are compared for relative radiation. Error estimates due to some secondary effects are calculated and shown to be generally negligible. The process of radiation from an open circuit is studied in detail and it is shown that, although most of the radiation comes from the tip, a substantial amount is radiated and also absorbed to. about a free-space wavelength behind the discontinuity. A method analogous to the induced e.m. f. method is formulated and shown to confirm existing results for radiated power. A distinction is made between the phase centre for radiation, which is usually located at a discontinuity, and the source region for radiation. The two are not coincident and the latter may be quite extensive for microstrip radiations. The results are applied to show how the disturbances can affect the performance of a comb antenna and how they can also be utilised to enhance the efficiency of a strip-end radiator on a thin substrate.
Conceptual design of a SC HTS linear motor

OSWALD Elektromotoren GmbH, Miltenberg, Germany, is experienced in direct linear motors with high power density. For some special applications the requirements are extremely demanding and almost beyond reach, even for state-of-the-art linear motors operated at room temperature. In order to obtain even higher power density, and hence also increased acceleration, we have to develop a new technology for linear motors. In this paper we propose a round superconducting linear motor. The stator windings will be made of YBCO coated conductors in the shape of double pancake coils. The frequency will be limited to approximately 10 Hz for this application. The actuator will be provided with NdFeB permanent magnets. The special cryogenic design will be discussed. The cooling of the stator will be provided by lN2 at 77 K or lower. The calculated force of this SC linear motor is 10 000 N. The force density will be 2–3 times more than the normal conducting counterpart of the same dimensions.
Connector-less test setup for measurement of passive inter-modulation products at UHF band

This paper describes the establishment of a test setup for measurement of passive inter-modulation (PIM) products generated by various device(s) under test (DUT(s)) (filters, coaxial cables etc.) at ultra high frequency (UHF) band. The paper begins with a brief discussion of an ideal PIM test setup using a quiet load. It then discusses the establishment of the setup in the absence of quiet load and demonstrates a PIM level of −192 dBc of the test setup. Finally it shows the PIM performance of a band-stop filter, a flexible cable, cascade of band-stop filter, and flexible cable, measured using the established test setup. These components are required for UHF payload of a communication satellite.
Effect of Co-branding Strategy Elements on Consumer Attitude and Purchase Intention : A Study in Indonesia

According to brand alliance literature, the compatibility of both brand characteristics in co-branded products will raise consumer positive attitude and purchase intention. Previous researches have explored co-branding strategy between the same sector or complement product character from different sector. However, few researchs have conducted exploration of the co-branding strategy in a different sector with less complement character. This study seeks to construct the value of co-branding strategy influencing female consumer attitude as well as purchase intention where the less-known Indonesian cosmetics brand who invite well-known food brands to create blended characteristics of cosmetic products. Three co-branded products namely Mizzu Cosmetics x Khong Guan Biscuits, Dear Me Beauty x Yupi, Dear Me Beauty x Sasa, Dear Me Beauty x Nissin as the object of research. A total of 358 questionnaires were distributed to female cosmetic consumers aged between 19-41. The proposed research model has been tested using PLS-SEM. The finding highlight prior attitude toward host brand appear weak to influence attitude toward co-branded. However, brand fit could mediate prior attitude toward host brand in influencing atittude toward co-branded. Mediating roles of brand fit, attitude toward co-brand, and post-attitude toward host brand appear important in the element of consumer attitude and purchase intention. A well-known and suitable co-branding partner is needed to give exposure to the co-branded product and provide a spill-over effect for the host brands. This study contribute to add spill-over effect phenomenon in brand alliance literatures.
A viscometric study of cement pastes containing superplasticizers with a note on experimental techniques

Synopsis Viscometric data on the influence of concentration of two superplasticizing admixtures upon the yield value and plastic viscosity of pastes made with four cements are reported. Yield value decreases exponentially with concentration, whilst plastic viscosity decreases linearly. These results are discussed in relation to the effect of superplasticizers upon the rheology of fresh concrete. Detailed differences in results obtained in viscometers of different geometries are reported and discussed.
Comparative Life Cycle Assessment of Merging Recycling Methods for Spent Lithium Ion Batteries

An urgent demand for recycling spent lithium-ion batteries (LIBs) is expected in the forthcoming years due to the rapid growth of electrical vehicles (EV). To address these issues, various technologies such as the pyrometallurgical and hydrometallurgical method, as well as the newly developed in-situ roasting reduction (in-situ RR) method were proposed in recent studies. This article firstly provides a brief review on these emerging approaches. Based on the overview, a life cycle impact of these methods for recovering major component from one functional unit (FU) of 1 t spent EV LIBs was estimated. Our results showed that in-situ RR exhibited the lowest energy consumption and greenhouse gas (GHG) emissions of 4833 MJ FU−1 and 1525 kg CO2-eq FU−1, respectively, which only accounts for ~23% and ~64% of those for the hydrometallurgical method with citric acid leaching. The H2O2 production in the regeneration phase mainly contributed the overall impact for in-situ RR. The transportation distance for spent EV LIBs created a great hurdle to the reduction of the life cycle impact if the feedstock was transported by a 3.5–7.5 t lorry. We therefore suggest further optimization of the spatial distribution of the recycling facilities and reduction in the utilization of chemicals.
Lessons learned from the 2011 Great East Japan Earthquake: A case study of tsunami risk assessment in a Japanese chemical corporation

Natural hazard triggering technological disasters (Natech) pose a major risk to chemical industries. Natural disasters, such as earthquakes, floods, and tsunamis, may cause massive fires, explosions, and toxic chemical release into the environment. Thus, Natech risks have recently attracted considerable research attention. Although Natech‐related case studies are seldom reported in the literature, the results obtained thereof facilitate concrete risk assessments and countermeasure implementation against natural hazards. This article presents a case study on tsunami risk assessment performed by Asahi Kasei Corporation, Japan, based on four steps: (1) review of Natech events caused by the 2011 Great East Japan Earthquake, (2) hazard identification at the plant, (3) risk assessment considering human casualties, equipment loss, environment, and business continuity, and (4) evaluation and implementation of appropriate countermeasures. The risks posed by tsunamis were identified and analyzed. The inundation heights of Level‐1 and Level‐2 tsunamis were estimated to be 1 and 10 m, respectively. A tsunami evacuation tower and tidal wall were built as appropriate countermeasures to prevent or mitigate fatalities, loss of containment, and business interruption. The results obtained in this study facilitate adequate preparedness of chemical plants against future tsunami occurrences.
The effects of performance evaluation on punishment in organisations

This article expands understanding of the relationship between punishment and performance in organisations. We analyse Korean data on performance and punishment as follows. While prior literature has focused on the effect of punishment on performance, this article examines the effect of performance gaps on punishment. Based on behavioural theory, strategic reference point theory and principal–agent theory, it sheds light on the negative relationship between performance gaps (cause) and punishment (effect). The article demonstrates that low performers are more often punished and high performers less so (i.e. a negativity bias). Our results also show that organisations prioritise light punishment over heavy punishment when disciplining employees in response to performance. Points for practitioners Low-performing organisations are more often punished and high-performing organisations less often so. The degree to which negative performance increases punishment is greater than that to which positive performance decreases punishment. Organisations prioritise light punishment over heavy punishment when disciplining employees in response to performance.
Decision-making in Russia’s Foreign Policy Modelling Russia’s Decision-Making with reference to Ukraine and Moldova (2004-2018)

There is a substantial body of literature on Russian foreign policy; however, the decision-making aspect remains comparatively less explored. The ambition of this research developed in two directions; on a practical level, it contributes to knowledge on Russia’s foreign policy decision-making and, on a conceptual plane, to scholarship by way of theory development, underpinning academic research on decision-making in foreign policy. Russia’s decision-making was first viewed through the prism of the Rational Actor Model and Incrementalism; however, their utility was found to be limited. Blended models also did not figure strongly. Through the prism of author’s proposed model of Strategic Incrementalism and its principles, this research demonstrates that Russia’s foreign-policy decision-making is far from a case of ‘muddling through,’ it retains a long-term purposefulness, and that its incremental decisions are guided by farsightedness. The simplicity and general applicability of the model potentially suggest its broader utility.
Biodiversity-productivity relationship in urban vascular flora: a comparison between wild edible and non-edible plants

Background: Wild edible plants are species that are not cultivated but can be consumed as food. These plants may exhibit the highest taxonomic and phylogenetic diversity within urban floras, since they have a longer history of use associated with humans than non-edible plants. Also, because biodiversity is strongly associated with biomass, edible plants plant might show higher productivity (biomass per site) than non-edible plants. Questions: Is taxonomic and phylogenetic diversity of wild edible plants higher than non-edibles within urban areas? Is the alpha-biodiversity of wild edible plants positively related to biomass productivity in urban areas? Study sites and years of study: Cities of the coastal Mediterranean-type ecosystem, central Chile, 2015 and 2016. Methods: We characterized the taxonomic and phylogenetic diversity of urban flora differentiating wild edible and non-edible plants. Then, we assessed whether alpha-diversity of assemblages is related to their biomass productivity. Results: Both taxonomic and phylogenetic diversity were higher for edibles than non-edible plants. For edible plants, biomass was positively related to species richness and negatively with the mean phylogenetic diversity (MPD, a measure of evolutionary relationship among plants within an assemblage). Conclusions: Species richness is a suitable proxy to estimate wild edible plant diversity and their biomass in cities surpassing other proxies, such as phylogenetic diversity. Negative effect of MPD on biomass suggests that only a subgroup of related plants, possibly highly adapted to urban conditions, contribute to edible plant production. The distinction between wild edible and non-edible plants offers a better understanding of the assembly rules and biodiversity-biomass relationship within urban floras.
Erectile dysfunction treatment with Phosphodiesterase-5 Inhibitors: Google trends analysis of last 10 years and COVID-19 pandemic.

OBJECTIVES We aimed to analyze the trend change of the most popular Phosphodiesterase-5 Inhibitors (PDE5i) over time and geography by using Google Trends (GT) data in 10 years period and COVID-19 pandemic. MATERIALS AND METHODS GT is able to generate a "line-graph", showing how interest has increased or decreased over a period within specific territories. The search values for specific terms are indexed as relative search volume (RSV), which is presented on a scale from 0-100. Avarage annual percentage change (AAPC) and RSV were analyzed to evaluate gain or loss of interest in trends. Search terms were generated for Food and Drug Administration (FDA)-approved PDE5i; tadalafil, sildenafil, vardenafil, avanafil, and their most-used brand names. The data was within "worldwide" from 1 January 2010, to 31 December 2020, using the ''global'' query category. RESULTS The overall interest in PDE5i has doubled. Sildenafil has become the most trend PDE5i of today with a regular increase (AAPC: 0.016, p < 0.01). Although the search trend of tadalafil remained almost constant until 2014, the rate of increase in the last 6 years raised and tadalafil has become the 2nd most popular PDE5i recently (AAPC: 0.007, p < 0.01). For vardenafil there has been a decreased interest (AAPC: -0.009, p < 0.01). There is no significant change in avanafil trend (AAPC: 0.000, p: 0.5). All PDE5i interest on GT decreased notably from February to June 2020. But after June, search trends reached the level before the COVID-19 period in a month. CONCLUSIONS These findings show us, with its increasing prevalence, erectile dysfunction (ED) has become a major public health problem. People from different geographies search the internet for ED treatment options. Patients should be informed that ED may be the first sign of many comorbid diseases, and patients with ED should be referred to a health institution for diagnosis and treatment.
Magnonic Crystal with Strips of Magnetic Nanoparticles: Modeling and Experimental Realization via a Dip-coating Technique

In this article, we show theoretically and experimentally the formation of spin-waves band gaps in a magnonic crystal that was implemented by the deposition of periodic micro-structured strips of magnetite nanoparticles. A theoretical model describing the spectra of the transmitted spin-waves bandgaps is proposed. This is achieved using a simple model based on microwave transmission line theory and considering the presence of micro-structured strips of magnetite nanoparticles on the surface. Such magnonic crystal of equally spaced micro-structured strips of magnetite nanoparticles on the surface of an yttrium iron garnet thin film has been implemented and measured. The periodic micro-structured nanoparticles are deposited on the surface of such yttrium iron garnet single-crystal film grown on a gallium-gadolinium garnet substrate via dip-coating technique. Propagation of magnetostatic surface spin-waves is studied and it is shown that the presence of such periodic structure leads to the formation of spin-wave band gaps in the transmission characteristics. The spin-wave detection has been carried out using a pair of microwave antennas and a vector network analyzer. The results show that the periodic structure formed by the magnetite strips modifies the spectra of the transmitted spin waves producing band gaps.
Combining schemes in rake receiver for low spreading factor long-code W-CDMA systems

The authors present a signal model for interpath interference (IPI) in low spreading factor long-code DS/CDMA systems. The impact of IPI can be decomposed into branch correlation and co-channel interference similar to those in a diversity system. Following this interpretation, optimum and suboptimum combining schemes for a rake receiver are developed, which provide significant improvement over the conventional maximum-ratio combining.
The o80 C++ templated toolbox: Designing customized Python APIs for synchronizing realtime processes

o80 (pronounced “oh-eighty”) is software for synchronizing and organizing message exchange between (realtime) processes via simple customized Python APIs. Its target domain is robotics and machine learning. Our motivation for developing o80 is to ease the setup of robotics experiments (i.e., integration of various hardware and software) by machine learning scientists. Such setup typically requires time and technical effort, especially when realtime processes are involved. Ideally, scientists should have access to a simple Python API that hides the lower level communication details and simply allows the sending of actions and receiving of observations. o80 is a tool box for creating such API.
DG Source Allocation by Fuzzy and Clonal Selection Algorithm for Minimum Loss in Distribution System

Distributed Generation (DG) is a promising solution to many powersystem problems such as voltage regulation, power loss, etc. This articlepresents a new methodology using Fuzzy and Artificial Immune System(AIS) for the placement of Distributed Generators (DGs) in a radial dis-tribution system to reduce the real power losses and to improve the volt-age profile. A two-stage methodology is used for the optimal DG place-ment. In the first stage, the Fuzzy Set approach is used to find the optimalDG locations and in the second stage, Clonal Selection algorithm of AISis used to size the DGs corresponding to maximum loss reduction. Thisalgorithm is a new, population based, optimization method inspired bythe cloning principle of the human body immune system. The advantageof this algorithm is the population size is dynamic and it is determinedby the fitness values of the population. The proposed method is testedon standard IEEE-33 based bus test system. Net, the results are com-pared with different approaches available in the literature. The proposedmethod outperforms the other methods in terms of the quality of solu-tion and computational efficiency.
Literature Review of Uncertainty of Analysis Methods (PV F-Chart Program), Report to the Texas Commission on Environmental Quality

This literature review covers the PV F-Chart program, which is one of the legacy programs in the ESL’s Emissions Calculator (eCALC), a web-based emissions reductions calculator developed for the State of Texas. The eCALC program is a tool for those who want to see how their energy savings has reduced NOx emissions, a by-product made during the burning of fossil fuels. This report includes a brief history of the PV F-Chart method, its applications, accuracies, basic equations, and an example calculation.
3-D Regional Transit Time Analysis of SiGe HBTs on Thin-Film SOI

The regional transit time analysis technique is extended from 1-D to 3-D and used to investigate the AC performance of a SiGe HBTon-SOI fabricated with a novel contact layout. As confirmed by TCAD simulations, the relocation of the base contacts out-of-plane with respect to the emitter and the collector results in a true 3-D current flow. Consequently, AC analysis and optimization cannot be performed with conventional 1-D regional transit time analysis.
Forecasting for Battery Storage: Choosing the Error Metric

We describe our approach to the Western Power Distribution (WPD) Presumed Open Data (POD) 6 MWh battery storage capacity forecasting competition, in which we finished second. The competition entails two distinct forecasting aims to maximise the daily evening peak reduction and using as much solar photovoltaic energy as possible. For the latter, we combine a Bayesian (MCMC) linear regression model with an average generation distribution. For the former, we introduce a new error metric that allows even a simple weighted average combined with a simple linear regression model to score very well using the competition performance metric.
A Delphi study on motivation for ISO 9000 and EFQM

Purpose – The purpose of this paper is to analyse which are the motivations for implementing two of the most important models for Quality Management practice popularized in recent years – ISO 9000 and EFQM models.Design/methodology/approach – This paper provides a qualitative survey carried out using the Delphi methodology, triangulated with the results of other surveys carried out previously, as well as with the information gathered by means of several in‐depth interviews carried out with the experts that participated in the Delphi‐panel.Findings – The paper finds strong consensus among experts of different backgrounds that external factors cause companies to implement the ISO 9000 standard. On the other hand, reasons for implementing TQM systems seem to be more varied.Research limitations/implications – The research in this paper is limited to Spain; studies in other countries should be conducted to compare the results obtained.Practical implications – In this paper there is a greater understanding of t.