Miracle-dz/UniFAR-FTUs huggingface dataset:
Cryptocurrency adoption in travel and tourism – an exploratory study of Asia Pacific travellers

ABSTRACT Blockchain technologies are predicted to substantially transform the tourism industry. At present, cryptocurrencies are the most advanced application of public blockchains that promise benefits such as a universal means of payment and minimal fees through the removal of intermediaries. In the tourism industry, though many tourism vendors have been accepting cryptocurrencies and the potential of using cryptocurrencies in travel-related consumption has been intensively documented, existing knowledge about travellers’ intention to use cryptocurrencies for payment purposes is limited. Traditional models do not account for the idiosyncrasies of cryptocurrencies and are therefore less appropriate to foster the understanding of travellers’ adoption of travel-related payments. To fill this knowledge gap, an exploratory study was conducted with 161 travellers from the Asia-Pacific region who have previously consumed travel-related services with cryptocurrencies. Their previous usage experiences are analysed and reported. Through harnessing the correspondence analysis, several technological contingency factors were identified, as well as positive and negative perceptual antecedents. Additionally, their levels of satisfaction and intention to re-use the technology in future trips were investigated. Based on these findings, several propositions are suggested for guiding future research on travellers’ cryptocurrency adoption in the travel and tourism contexts.
Device Physics in Organic Solar Cells and Drift-Diffusion Simulations

Organic solar cell (OSC) devices have recently exceeded power conversion efficiencies (PCEs) of 17% in single-junction cells (Lin et al., 2019, 2020; Cui et al., 2020; and Liu et al., 2020a, 2020b) and a tandem device using nonfullerene acceptors (NFAs) (Meng et al., 2018). The device performances are still below the predicted efficiency limit of 20% and 25% for single-junction and tandem cells, respectively (Firdaus et al., 2019). Improving OSC device performance further requires a detailed understanding of the underlying physical mechanisms and processes that make the device work, as well as those that lead to performance losses so that materials and device architectures can be further improved. Modeling can fulfill several tasks which range from theoretical discussions of physical mechanisms to the assistance in the interpretation of experiments. Unfolding the physics of these devices to create predictive physical models has been a challenging task due to the complexity of the employed materials and the device physics mechanisms.
Chemical Vapour Deposition of Large Area Graphene

Chemical Vapor Deposition (CVD) is a viable technique for fabrication of large areas of graphene. CVD fabrication is the most prominent and common way of fabricating graphene in industry. In this thesis I have attempted to optimize a growth recipe and catalyst layer for CVD fabrication of uniform, single layer, and high carrier mobility large area graphene. The main goals of this work are; (1) explore the graphene growth mechanics in a low pressure cold-wall CVD system on a copper substrate, and (2) optimize the process of growing high quality graphene in terms of carrier mobility, and crystal structure. Optimization of a process for graphene growth on commercially available copper foil is limited by the number of aluminium oxide particles on the surface of the catalyst. By replacing the copper foil with a thin deposited copper film on a SiO2/Si or c-plane sapphire wafer the particles can be eliminated. Further opportunities arise when exchanging the copper foil for copper thin film on a wafer e.g. better integration with current cleanroom processing of devices and better control over the copper crystallinity. Typical strategies for controlling the temperature during CVD fabrication of graphene are proportional, integral, and derivative (PID) controllers. The PID controller in a CVD system works off feedback temperatures from a thermocouple. The thermocouples used in this work suffer from degradation at the temperatures and the hydrogen gasses needed for high quality graphene growth. The degradation of thermocouples leads to large variations in the grown graphene. This was solved by controlling the temperature through applying a set power to the heat source, resulting in a more stable temperature from process to process. Micro Raman spectroscopy is used to characterize the structural quality of the grown graphene on the copper surface as well as after a transfer process
MATHEMATICAL COMMUNICATION SKILLS BASED ON GENDER

This study was aimed to describe the mathematical communication skill of eighth-grade students of SMP IT Insan Mulia of Batanghari based on gender in solving questions about circle material. The subjects of this study consisted of 21 male and 21 female students. The research method used is descriptive qualitative. The data collection instrument used in this study is the mathematical communication skill test. The mathematical communication skill test instrument consists of three questions in the form of an essay. The results showed that in general, the mathematical communication skills of male and female students are in a low category. The low ability of students' mathematical communication is due to a weak understanding of concepts, not understanding the usefulness of mathematical symbols, and students' unfamiliarity in working on problems. Male and female students have different mathematical communication skills. Female students have better communication skills than male students in conveying ideas to provide an explanation on each indicator of the mathematical communication skills test.
Selective Electroreduction of CO2 toward Ethylene on Nano Dendritic Copper Catalysts at High Current Density

In situ deposited copper nanodendrites are herein proven to be a highly selective electrocatalyst which is capable of reducing CO2 to ethylene by reaching a Faradaic efficiency of 57% at a current density of 170 mA cm−2. It is found that the desired structures are formed in situ under acidic pH conditions at high electrode potentials more negative than −2 V versus Ag/AgCl. Detailed investigations on the preparation, characterization, and advancement of electrode materials and of the electrolyte have been performed. Catalyst degradation effects are intensively followed by scanning electron microscopy (SEM) and high‐resolution transmission electron microscopy (HR‐TEM) characterization methods and found to be a major root course for selectivity losses.
Growth Mechanism of Electrodeposited Fe, Co and Ni Nanowires in the Form of Self-Assembled Arrays at Fixed Potential

The growth mechanism of electrodeposited Fe, Ni and Co nanowires has been investigated by X-ray diffractometry, scanning electron microscopy and electrochemistry. It is found that the current density for deposition of Fe nanowires is higher than that of Co and Ni nanowires under the same overpotential, pH, concentration of metal ions and temperature. Using the electron tunneling theory, this phenomenon has been ascribed to the higher charge transfer coefficient of Fe than that of Co and Ni.
Algorithms for forecasting cotton yield based on climatic parameters in Brazil

ABSTRACT Accurate forecasts of cotton yield are of great interest for the development of the market, increasing the sustainability of the sector worldwide. Thus, the objectives of this study were: 1) to evaluate the influence of climatic elements on cotton yield in Brazil, 2) to predict cotton yield using machine learning algorithms based on climatic elements, 3) to calibrate and test machine learning models to forecast cotton yield based on climate data, and 4) to interpolate the estimated cotton yield of the most accurate model. The cotton yield forecast as a function of climatic elements was performed using machine learning algorithms with four parameters adjusted by ordinary least squares. The models show that cotton yield has a sigmoid trend due to the accumulation of P, PET, STO, and EXC during the cycle. It is possible to forecast cotton yield for the main producing regions of Brazil using Machine learning algorithms. Extra-trees regressor models performed better in forecasting cotton yield using climatic data from planting to flowering. Therefore, it is possible to have average anticipation of around 80 days, allowing the producer time to plan his activities such as harvest and sales strategies.
Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)

1.2 This standard does not purport to address all of the safety problems, i f any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements see Section 6. 1.3 For specific hazard information, see the Material Safety Data Sheet.
Effect of 42 amino acid long amyloid-β peptides on Arabidopsis plants

Although the evolution of Arabidopsis thaliana and humans diverged approximately 1.6 billion years ago, recent studies have demonstrated that protein function and cellular processes involved in disease response remain remarkably conserved. Particularly, γ-secretase, a multisubunit protein complex that participates in intramembrane proteolysis (RIP) regulation, is also known to mediate the cleavage of more than 80 substrates including the amyloid precursor protein (APP) and the Notch receptor. Although the genes (PS1/2, APH-1, PEN-2, and NCT) coding for the γ-secretase complex components are present in plant genomes, their function remains largely uncharacterized . Given that the deposition of 42 amino acid long amyloid-β peptides (hAβ42) is thought to be one of the main causes of Alzheimer’s disease, we aimed to examine the physiological effects of hAβ42 peptides on plants. Interestingly, we found that Arabidopsis protoplast death increased after 24 h of exposure to 3 or 5 μM hAβ42 peptides. Furthermore, transgenic Arabidopsis plants overexpressing the hAβ42 gene exhibited changes in primary root length and silique phyllotaxy . Taken together, our results demonstrate that hA β42 peptides, a metazoan protein, significantly affect Arabidopsis protoplast viability and plant morphology.
Development of PCR based approach to detect potential mosaicism in porcine embryos

Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, 24061, USA College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea Division of Animal Science, University of Missouri, Columbia, MO, 65211, USA Division of Reproductive & Developmental Sciences, Oregon Health & Science University, Beaverton, OR, 97006, USA Original Article J Anim Reprod Biotechnol 2020;35:323-328 pISSN: 2671-4639 • eISSN: 2671-4663 https://doi.org/10.12750/JARB.35. 4.323 JARB Journal of Animal Reproduction and Biotechnology
THE EFFECT OF SYSTEM QUALITY, INFORMATION QUALITY, AND PERCEIVED PLAYFULNESS ON THE USE OF TRANSPORTATION ONLINE APPLICATION

The study aimed to examine the effect of system quality, information quality and perceived playfulness on the use of online transportation applications. The most rapid development of information technology today is the use of smartphones. The inherent mobile apps and high frequency of use in today's society are online transport applications, such as Gojek, Grab, and Uber. The existence of several applications of online transport service providers make the user has several options and application providers trying to improve the quality of applications to attract users. This study collected questionnaire data with a total of 104 Indonesian respondents who using online transportation applications on their smart phones. The results of the analysis show that the perceived quality of the website (i.e. information and system quality) affects the perceived playfulness of the customer, and in turn, the satisfaction and intention to continue using it. The higher the quality level of the online transportation mobile application system, the more interested users will be to use it. Quality applications will increase the user's perceived playfulness, make users feel comfortable and have their own pleasure. Perceived playfulness will affect the intention to continue using the application.
EFEK DISINTEGRASI PATI BIJI CEMPEDAK (Artocarpus champeden Lour) TERPRAGELATINASI PADA TABLET IBUPROFEN

Pragelatinasi pati memiliki pengaruh pada sifat fisik pati sebagai eksipien. Berdasarkan suhu dan waktu pemaparan, pati akan dipragelatinasi ke tingkatan yang berbeda. Pati terprgelatinasi parsial didapatkan dari pemecahan struktur pati dengan panas melalui proses gelatinasi untuk meningkatkan sifat alir dan kompresibilitas pati dengan mempertahankan sifat disintegrannya. Penelitian ini bertujuan untuk mempelajari sifat disintegrasi pati biji cempedak terpragelatinasi sebagai disintegran dalam formula tablet ibuprofen. Pati biji cempedak (PBC), sebelum dan sesudah pragelatinasi, dievaluasi secara organoleptik, susut pengeringan, dan kadar abu. Evaluasi tambahan tunggal meliputi kadar amilosa, kadar amilopektin, identifikasi kualitatif, dan indeks mengembang. Tablet dibuat dalam 5 formula dengan rasio penambahan pati biji cempedak terpragelatinasi (PBCT) sebagai disintegran intragranular dan ekstragranular yaitu 4:0 (F1); 3:1 (F2); 2:2 (F3); 1:3 (F4); dan 0:4 (F5) menggunakan metode granulasi basah. Evaluasi granul meliputi waktu alir, sudut diam, kompresibilitas dan susut pengeringan. Evaluasi tablet meliputi penampilan, keseragaman bobot, kekerasan, kerapuhan, waktu hancur, dan uji disolusi. Hasil penelitian menunjukkan bahwa penambahan CBPT secara intragranular dan ekstragranular dengan rasio sama memberikan tablet dengan waktu hancur yang paling baik. Hasil analisis statistik menunjukkan penggunaan PBCT sebagai disintegran memberikan pengaruh nyata pada waktu hancur tablet dengan tetap memberikan nilai kekerasan dan kerapuhan yang memenuhi syarat kompendial.
The Impact of Lagged R&D Expenses on Firm Performance: Empirical Evidence from the BSE Healthcare Index

The study finds the impact of lagged Research and Development expenditure on financial performance. The investigation analyses 69 pharmaceutical companies included in the BSE healthcare index (India) using secondary data for the period of 2008 to 2017. The two dependent variables which are considered separately are Return on Asset (ROA) and Return on Equity (ROE). The two estimated regression models show that both the lagged value and its quadratic term have a significant influence on the accounting-based measures. With regard to the control variables, size and leverage are found to influence negatively whereas liquidity poses a positive effect on these two accounting-based performance measures. The article contributes by highlighting that the true relationship between R&D and financial performance is represented by a U-shaped curve as evident in few other studies.
Contribution of Skill Test in Employment among Short Term Vocational Training Graduates

This study analyzed contribution of vocational skills tests to the employment of trained graduates in different stages. In doing so, specialized survey was conducted with 305 graduates who received the skill training from private training institutes and attended the level-one skill test of NSTB. The results showed that skill testing system contributed to the employment of graduates specifically by accessing employment opportunities (pre-employment stage), increasing work performance (duringemployment stage) and further job prosperity (post-employment). The segregation of the overall results showed that most of the graduates perceived that skill test contributed to all the employment stages.Men and women are equally benefitted with the skill tests to their employment. Similarly, youths from all age groups, all ethnic groups and all educational backgrounds were benefited in a similar manner from the skills test. However, it mattered whether a graduate was married or not, and which geographical area the graduate came from. As an implication, considering the contribution of the skill tests, the investment in skill tests in each of the vocational training is considered valuable and useful not only for the domestic workers including the migrants and returnees. Similarly, skills gained in the form of prior learning through informal and non-formal means can be tested, certified and recognized. Moreover, why the contribution of the skill tests varied according to the graduates’ marital status and geographic origin, a finding of the study, remains an area for further research.
Morphology control of hexagonal strontium ferrite micro/nano-crystals

In this study, controllable morphology evolution of hexagonal strontium ferrite (SrFe12O19) micro/nano-crystals has been demonstrated. Single phase strontium ferrite platelets with hexagonal morphology were successfully prepared by conventional ceramic process. In the hexagonal crystals, it is revealed that the anisotropic growth rate is changed, with the increasing of ball milling time, from relatively high rate along the direction (c-axis) to direction, leading to the morphology evolution. Moreover, the optimal saturation magnetization (MS) is 69.5 emu/g, which is intensely close to the theoretical value (72 emu/g). This study provides the direct evidence of the enhanced reaction activity induced by high energy ball milling in strontium hexaferrite platelets and the obtained SrFe12O19 particles are promising for the hard magnet application and the magnetoelectric electronics.
Electrogeneration of Active Chlorine in a Filter-Press-Type Reactor Using a New Sb2O5 Doped Ti/RuO2-ZrO2 Electrode: Indirect Indigoid Dye Oxidation

Abstract This paper presents the study on active chlorine mediated electrochemical oxidation of model solutions that simulate textile effluents containing an indigoid dye (indigo carmine) and sodium chloride (0.05 M) using a new Sb2O5-doped Ti/RuO2-ZrO2 electrode. The study was carried out in a filter-press electrochemical reactor specially designed to minimize flow deviations and provide homogeneous mass transfer flux over the electrode surface. Firstly, the mass-transfer-limited chloride oxidation reaction was studied in the absence of dye in order to understand the active chlorine formation process. Changes in pH, chloride concentration and UV-visible absorption spectra during electrolysis reveal the formation of active chlorine (mainly hypochlorite) with current efficiencies for chloride oxidation of 0.558 and 0.503 at 10 and 20 mA cm−2, respectively. Secondly, chloride oxidation was investigated in the presence of indigo carmine dye (0.5 mM) where in-situ generated active chlorine was responsible for -C=C- bond breaking and dye degradation. The solution discoloration followed a pseudo-first order kinetics where kinetic coefficient was inversely proportional to dye concentration. The oxidation with active chlorine had an average efficiency of 0.7 and a very competitive energy consumption between 49.2 and 128.5 kW h (kg COD removed)−1 depending on current density and flow rate.
Do Agrochemical-Free Paddy Fields Serve as Refuge Habitats for Odonata?

Agrochemical-free rice farming has attracted interest for restoring paddy field biodiversity and producing safe food. Odonata are commonly used as a biodiversity indicator in these low-input farms. However, the effect of agrochemical-free rice farming on odonate diversity has rarely been assessed over the entire emergence period of these insects. We investigated whether different farming practices, such as conventional or natural (agrochemical-and fertilizer-free) cultivation, and associated water management strategies affect the emergence rates of Odonata in paddy field landscapes in central Japan. Weekly exuviae sampling in 2017 and 2019 suggested that odonate assemblages differed between conventional and natural paddy fields, with a higher number of taxa emerging from natural paddy fields. Contrary to expectations, conventional paddy fields had equivalent or higher emergence rates of all Odonata and two numerically dominant Sympetrum species. Peak emergence periods for numerically dominant taxa differed between the farming types, with the emergence of three Sympetrum species peaking in late June in conventional paddy fields and that of S. frequens peaking in early to mid-July in natural paddy fields. Our findings suggest that both conventional and natural paddy fields are important habitats for Odonata in Japan.
Comparison of the effects of transcutaneous electrical nerve stimulation, low level laser, and placebo treatment on temporomandibular joint disorders: a single-blind randomized controlled trial

Objective: Physical therapy techniques are required for patients with temporomandibular joint disorder (TMD), but the effects of treatment have not been compared. Therefore, effects of transcutaneous electrical nerve stimulation (TENS) and low level laser (LLL), which are most commonly used interventions, were compared. Design: Randomized controlled trial. Methods: Thirty-six participants with pain in the temporomandibular joint were enrolled, and 12 participants were randomly assigned to either the TENS group, LLL group, or placebo group. Each intervention was performed for a total of 6 sessions for 2 weeks. For the evaluation of the participants, the mouth opening (MO), pressure pain threshold (PPT), and stress were measured at three time periods: baseline, post-test, and follow-up at 2 weeks. Results: Significant interaction between groups according to each evaluation point was found only in PPT-masseter ( p <0.05). The evaluation time point at which a significant difference appeared was at the post-test and follow-up at 2 weeks time periods. As a result of the post-test, the LLL group showed a significant improvement compared to the TENS group ( p <0.05), and at 2 weeks follow-up, the TENS group showed a significant improvement compared to the placebo group ( p <0.05). Conclusions: In this study, an experiment was conducted to compare the treatment effects when TENS, LLL, and placebo were given to patients with TMD. In addition, by quantitatively presenting the effect size of each treatment, this study suggests clinical use of TENS and LLL treatment for TMD.
Effect of Self-Compassion on Evaluation and Choice of Healthy Food

In today''s affluent food environment, investigating factors that facilitate resistance in the face of barriers to health goals may be vital for achieving successful promotion and regulation of health. This study was implemented to investigate the effect of self-compassion on the evaluation and choice of healthy vs. unhealthy food. In Study 1, participants (N = 101) primed with self-compassion evaluated unhealthy food more negatively than those primed with self-esteem. As predicted, however, there was no difference in attitude toward healthy food between the two priming conditions. In Study 2, participants (N = 54) were asked to choose between healthy and unhealthy food and then their self-compassion was measured. Results show that participants with high self-compassion chose healthy food more often than unhealthy food, while those with low self-compassion chose unhealthy food more than healthy food. The implications of the findings are discussed in terms of health campaign strategies and further research into the relation between self-compassion and health behaviors.