Miracle-dz/UniFAR-FTUs huggingface dataset:
Corrosion of Titanium Electrode Used for Solar Saline Electroflotation

The solar electroflotation (EF) processes using saline electrolytes are today one of the great challenges for the development of electrochemical devices, due to the corrosion problems that are generated during the operation by being in permanent contact with Cl− ions. This manuscript discloses the corrosion behavior of titanium electrodes using a superposition model based on mixed potential theory and the evaluation of the superficial performance of the Ti electrodes operated to 4 V/SHE solar electroflotation in contact with a solution of 0.5 M NaCl. Additionally provided is an electrochemical analysis of Ti electrodes regarding HER, ORR, OER, and CER that occur during the solar saline EF process. The non-linear superposition model by mixed potential theory gives electrochemical and corrosion parameters that complement the information published in scientific journals, the corrosion current density and corrosion potential in these conditions is 0.069 A/m2 and −7.27 mV, respectively. The formation of TiO2 and TiOCl on the anode electrode was visualized, resulting in a reduction of its weight loss of the anode electrode.
Impact of Financial Inclusion on India’s Economic Development under the Moderating Effect of Internet Subscribers

Financial inclusion is an emerging economic growth paradigm, especially in developing economies like India. It is an essential barometer for the all-encompassing growth of a country and its economy. However, there is still a debate regarding the effect of Financial Inclusion (FI) on achieving sustainable development. This study aims to determine if FI helps achieve Sustainable Development Growth (SDG) in India and if internet subscribers significantly influence the connection between FI and SDG. Secondary data from 16 states and one UT in India have been collected for 2017–2019. Therefore, the sample data is recent and covers a large country span. The data source is NITI Aayog and PMFBY (“Pradhan Mantri Fasal Bhima Yojana”) reports. The findings of this research are that FI has a positively significant relationship with sustainable development goals (SDG) in India. However, when the internet subscribers are high, the FI’s positive association with SDG gets reduced. PMFBY and SDG have been used for the first time, along with internet subscribers as moderators. The outcome has direct policy implications for improving the nation’s financial inclusion and economic growth.
A Novel Consequent-Pole Contra-Rotating Machine with Zero-Sequence Current Excitation

A novel hybrid excitation consequent-pole contra-rotating machine with zero-sequence current excitation is presented in this paper. The stator windings carry the DC field winding current and the AC armature current, making the machine more compact. Further, the flux can be weakened or enhanced without the risk of demagnetization by controlling the zero-sequence current excitation. Finally, the segmented stator can effectively reduce the iron loss and simplify the manufacturing process.
Bearing capacity of foundations resting on a spatially random soil

The paper presents the effect of the spatial variability of the soil properties on the ultimate bearing capacity of a vertically loaded shallow strip footing. The deterministic model used is based on numerical simulations using the Lagrangian explicit finite difference code FLAC 3D. The cohesion and the angle of internal friction of the soil are modelled as non normal anisotropic random fields. The methodology used for the discretization of the random fields is based on the spectral representation method proposed by Yamazaki and Shinozuka (1988). The results have shown that the average bearing capacity of a spatially random soil is lower than the deterministic value obtained for a homogeneous soil. A critical case appears when the autocorrelation distances are equal to the footing breadth. The average value of the ultimate footing load is more sensitive to the horizontal autocorrelation distance than the vertical one. Finally, it has been shown that accounting for the spatial variability of the soil properties gives a higher reliability index of the foundation than the one obtained with the assumption of random variables.
Pengaruh Intensitas Pelatihan Keuangan Daerah, Kesesuaian Kualifikasi Pendidikan, dan Komitmen Organisiasi Terhadap Kinerja Aparatur Pengelola Keuangan dan Aset Daerah

Penelitian ini bertujuan untuk menganalisa pengaruh variabel intensitas pelatihan keuangan daerah, kesesuaian kualifikasi pendidikan, dan komitmen organisiasi secara simultan dan parsial, serta menganalisa variabel manakah yang berpengaruh dominan terhadap kinerja kinerja aparatur pengelola keuangan dan aset daerah Provinsi Papua. Populasi atau satuan analisis dalam penelitian ini adalah seluruh pegawai tetap (ASN) Kantor Badan Pengelolaan Keuangan dan Aset Daerah Provinsi Papua. Untuk menetapkan besarnya sampel yang akan digunakan dalam penelitian ini, digunakan formula menurut Kerlinger dan Pedhazun sehingga sampel yang dilibatkan berjumlah 57 orang. Metode analisis yang digunakan dalam penelitian ini adalah analisis regresi linier berganda. Hasil penelitian menunjukan adanya pengaruh secara simultan variabel Intensitas Pelatihan Keuangan Daerah, Kesesuaian kualifikasi pendidikan, dan komitmen organisasi terhadap kinerja aparatur pengelola keuangan dan aset daerah Provinsi Papua. Hasil penelitian menunjukan adanya pengaruh secara parsial variabel Intensitas Pelatihan Keuangan Daerah, Kesesuaian kualifikasi pendidikan, dan komitmen organisasi terhadap kinerja aparatur pengelola keuangan dan aset daerah Provinsi Papua. variabel intensitas pelatihan keuangan daerah memiliki pengaruh dominan terhadap kinerja aparatur pengelola keuangan dan aset daerah Provinsi Papua.
Device Simulation of Highly Stable and 29% Efficient FA0.75MA0.25Sn0.95Ge0.05I3-Based Perovskite Solar Cell

A new type of perovskite solar cell based on mixed tin and germanium has the potential to achieve good power conversion efficiency and extreme air stability. However, improving its efficiency is crucial for practical application in solar cells. This paper presents a quantitative analysis of lead-free FA0.75MA0. 25Sn0.95Ge0. 05I3 using a solar cell capacitance simulator to optimize its structure. Various electron transport layer materials were thoroughly investigated to enhance efficiency. The study considered the impact of energy level alignment between the absorber and electron transport layer interface, thickness and doping concentration of the electron transport layer, thickness and defect density of the absorber, and the rear metal work function. The optimized structures included poly (3,4-ethylenedioxythiophene)polystyrene sulfonate (PEDOT:PSS) as the hole transport layer and either zinc oxide (ZnO) or zinc magnesium oxide (Zn0.7Mg0.3O) as the electron transport layer. The power conversion efficiency obtained was 29%, which was over three times higher than the initial structure. Performing numerical simulations on FA0.75MA0. 25Sn0.95Ge0. 05I3 can significantly enhance the likelihood of its commercialization. The optimized values resulting from the conducted parametric study are as follows: a short-circuit current density of 30.13 mA·cm−2), an open-circuit voltage of 1.08 V, a fill factor of 86.56%, and a power conversion efficiency of 28.31% for the intended solar cell.
OH-IR stars. I. Physical properties of circumstellar envelopes

A theoretical model of the circumstellar envelope which surrounds a OH-IR star is developed. The circumstellar gas is ejected by radiation pressure which acts on dust grains that condense in the atmosphere of the central star. The dust grains transfer momentum to the gas by collisions with the gas molecules. These collisions are the dominant source of heat input to the circumstellar gas. The major sources of cooling are the emission of radiation by H_2O molecules and adiabatic expansion. The gas temperature decreases from T ≈ 2 x 10^3 K near the stellar surface at r ≈ 6 x 10^(13) cm, to T ≈ 8 x 10^2 K at r = 10^(15) cm and to T ≈ 10^2 K at r = 10^(16) cm. The OH molecule abundance in the circumstellar envelope is controlled by chemical exchange reactions and by the dissociation of H^2O molecules. The reaction OH + H_2 ↔ H_2O + H + 0.69 eV, which has an activation energy of 0.3 eV, rapidly converts OH molecules into H_2O molecules in the warm (T ≳ 5 x 10^2 K) inner (r ≾ 2 x 10^(15) cm) region of the circumstellar envelope. Beyond r ≈ 2 x 10^(15) cm, T is so low that the exchange reaction is very slow and the mean lifetime of an OH molecule is greater than the expansion time scale for the circumstellar envelope. In the outer region of the circumstellar envelope, OH molecules are produced from the photodissociation of H_2O molecules by the interstellar ultraviolet radiation and from the dissociation of H_2O molecules by collisions with dust grains. These processes are capable of producing OH number densities greater than 1 cm^(-3) at r ≈ 10^(16) cm. The predicted values of the gas temperature, T, and the OH abundance, n_(OH), depend upon the rate of mass loss from the central star, Ф. The results quoted above are based on a calculation with Ф = 3 x 10^(-5) M_☉ yr^(-1). In general, T varies inversely and n_(OH) varies directly with Ф.
Economic Feasibility Case Study of Developing a Salt Production Plant

Abstract Indonesia is a net salt importer with plans to eliminate salt import dependency through the industry’s development and collaboration with higher education institutions. Considering net present value (NPV), internal rate of return (IRR), benefit–cost ratio (B/C ratio), and return on investment (ROI), this case study analyzes the economic feasibility of developing a mini salt production plant. All the economic indices suggest that the project is feasible, specifically NPV, IRR, net B/C ratio, and ROI are IDR 5.3 billion, 42.83%, 1.61, and 395% respectively over 10 years. Thus, the project is economically feasible and can help eliminate import dependency and the higher educational institution’s outstanding contribution.
Recent advances in sodium borohydride for hydrogen storage

Hydrogen energy is an efficient and renewable clean energy source, and the key issue for its application right moment is the development of hydrogen storage technology with high density and safety. Among many available hydrogen storage materials, metal complex hydrides with the advantages of high hydrogen storage capacity and good safety, are promising for future applications. However, high-capacity hydrogen storage composites suffer from disadvantages such as high hydrogen release temperature and poor reversibility, which severely limit their application. This paper provides a detailed summary of existing approaches to improve the kinetic and thermodynamic properties of NaBH4 for hydrogen storage, including the addition of catalysts, the incorporation of appropriate reactants and the preparation of nanoscale NaBH4, as well as an outlook on the future direction of pyrolysis.
A Novel Approach to Algebraic Fitting of a Pencil of Quadrics for Planar 4R Motion Synthesis

The use of the image space of planar displacements for planar motion approximation is a well studied subject. While the constraint manifolds associated with planar four-bar linkages are algebraic, geometric (or normal) distances have been used as default metric for least-squares fitting of these algebraic manifolds. This paper studies the problem of using algebraic distance for least-squares fitting of quadrics defining the constraint manifolds associated with Planar 4R mechanisms. It shows that the problem can be solved by fitting a pencil of quadrics with linear coefficients to a set of image points of a given one dimensional set of displacements. This linear formulation leads to a simple and fast algorithm for kinematic synthesis in the image space.Copyright © 2012 by ASME
Hydrogen Promotes the Effectiveness of Bone Mesenchymal Stem Cell Transplantation in Rats with Spinal Cord Injury

Although bone mesenchymal stem cell (BMSC) transplantation has been applied to the treatment of spinal cord injury (SCI), the effect is unsatisfactory due to the specific microenvironment (inflammation and oxidative stress) in the SCI area, which leads to the low survival rate of transplanted cells. Thus, additional strategies are required to improve the efficacy of transplanted cells in the treatment of SCI. Hydrogen possesses antioxidant and anti-inflammatory properties. However, whether hydrogen can enhance the effect of BMSC transplantation in the treatment of SCI has not yet been reported. This study was aimed at investigating whether hydrogen promotes the therapeutic effect of BMSC transplantation in the treatment of SCI in rats. In vitro, BMSCs were cultured in a normal medium and a hydrogen-rich medium to study the effect of hydrogen on the proliferation and migration of BMSCs. BMSCs were treated with a serum-deprived medium (SDM), and the effects of hydrogen on the apoptosis of BMSCs were studied. In vivo, BMSCs were injected into the rat model of SCI. Hydrogen-rich saline (5 ml/kg) and saline (5 ml/kg) were given once a day via intraperitoneal injection. Neurological function was evaluated using the Basso, Beattie, and Bresnahan (BBB) and CatWalk gait analyses. Histopathological analysis, oxidative stress, inflammatory factors (TNF-α, IL-1β, and IL-6), and transplanted cell viability were detected at 3 and 28 days after SCI. Hydrogen can significantly enhance BMSC proliferation and migration and tolerance to SDM. Hydrogen and BMSC codelivery can significantly enhance neurological function recovery by improving the transplant cell survival rate and migration. Hydrogen can enhance the migration and proliferation capacity of BMSCs to repair SCI by reducing the inflammatory response and oxidative stress in the injured area. Hydrogen and BMSC codelivery is an effective method to improve BMSC transplantation in the treatment of SCI.
The Credibility of Choi Siwon in Increasing Brand Awareness and Interest in Buying Mie Sedap Korean Spicy Noodles

The entry of the Korean Wave to Indonesia certainly attracted the Indonesian people to become KPOP fans, and this was used by PT Wings Food to attract the interest of KPOP fans to attract their buying interest by making Choi Siwon a representative icon of their product, namely Mie Sedaap, the Korean Spicy Chicken variant. This research was conducted to find out whether the brand awareness of the Mie Sedaap product, the Korean Spicy Chicken variant, is able to mediate Choi Siwon's credibility in increasing the buying interest of KPOP fans. The theory used is the Source Credibility Theory. This research was conducted using a random sampling technique which was distributed to 100 people and calculated using a Likert scale with multiple linear regression analysis. The result obtained is that brand awareness of the Mie Sedaap product, the Korean Spicy Chicken variant, is able to mediate the relationship between Choi Siwon's credibility and also the buying interest of KPOP fans.
Water Skating Miniature Robot Propelled by Acoustic Bubbles

This paper presents a miniature robot designed for monitoring its surroundings and exploring small and complex environments by skating on the surface of water. The robot is mainly made of extruded polystyrene insulation (XPS) and Teflon tubes and is propelled by acoustic bubble-induced microstreaming flows generated by gaseous bubbles trapped in the Teflon tubes. The robot’s linear motion, velocity, and rotational motion are tested and measured at different frequencies and voltages. The results show that the propulsion velocity is proportional to the applied voltage but highly depends on the applied frequency. The maximum velocity occurs between the resonant frequencies for two bubbles trapped in Teflon tubes of different lengths. The robot’s maneuvering capability is demonstrated by selective bubble excitation based on the concept of different resonant frequencies for bubbles of different volumes. The proposed water skating robot can perform linear propulsion, rotation, and 2D navigation on the water surface, making it suitable for exploring small and complex water environments.
Romantic Relationships from Adolescence to Established Adulthood

This 15-year longitudinal study investigated with follow-up data how romantic patterns from ages 16 to 24 are associated with romantic involvement and turnover (ages 25–30), romantic dispositions (age 30) and romantic relationships characteristics (age 30). A sample of 255 individuals (60.8% women) identified all their romantic partners between the ages of 16 and 24. Between ages 25 and 30, participants identified all their romantic partners and the length of each relationship. At age 30, they also completed a series of questionnaires regarding romantic dispositions and if it applied, characteristics of their current romantic relationship. Results indicated continuity in the romantic sphere from adolescence to established adulthood. At age 30, romantic patterns were associated with: avoidance of intimacy, jealousy, global romantic satisfaction, relationship status and the duration of the current romantic relationship. Together, these results bring new information on romantic development from adolescence to established adulthood.
Special Assistance Teachers Learning Strategies for Slow Learner Students in Inclusive Elementary Schools

This study examines the learning strategies of Special Assistance Teachers (GPK) for students with slow learner barriers of inclusive elementary school age. A qualitative case study approach is used to answer research questions. Sumbersari 1 public elementary school in Malang City was chosen as the research location for two main reasons, namely as the official inclusion primary school for the education office and at the same time as the oldest inclusive primary school and as a reference in Malang City. Six students with slow learner barriers and one special accompanying teacher became research participants for three months. The results showed that the learning strategies used were visual media, drill methods, remedial, teaching everyday life, and approaching slow-learning children with special needs through intense communication. The inhibiting factors of this strategy are learning that requires high reasoning, making slow learners with special needs often feel difficult, low self-confidence, insufficient number of GPK, and less cooperative parents. The supporting factors for this strategy are adequate facilities, appropriate methods, and smooth communication between slow learners, special assistance teachers, and children with special needs.
Complex Organic Interstellar Molecules

Of the over 150 different molecular species detected in the interstellar and circumstellar media, approximately 50 contain 6 or more atoms. These molecules, labeled complex by astronomers if not by chemists, all contain the element carbon and so can be called organic. In the interstellar medium, complex molecules are detected in the denser sources only. Although, with one exception, complex molecules have only been detected in the gas phase, there is strong evidence that they can be formed in ice mantles on interstellar grains. The nature of the gaseous complex species depends dramatically on the source where they are found: in cold, dense regions they tend to be unsaturated (hydrogen-poor) and exotic, whereas in young stellar objects, they tend to be quite saturated (hydrogen-rich) and terrestrial in nature. Based on both their spectra and chemistry, complex molecules are excellent probes of the physical conditions and history of the sources where they reside. Because they are detected in young stellar objects, complex molecules are expected to be common ingredients for new planetary systems. In this review, we discuss both the observation and chemistry of complex molecules in assorted interstellar regions in the Milky Way.
Urban delivery, the Covid-19 pandemic and changes in land use: evidence of the territorial dynamics of the non-residential real estate sector in Belo Horizonte

In addition to the observed impacts on urban mobility, urban deliveries have changed the territorial dynamics of the non-residential real estate sector. This paper analyses land-use changes in the non-residential real estate sector caused by urban deliveries in 2020, in the context of the COVID-19 pandemic in Belo Horizonte. Therefore, we used a spatial-temporal approach based on Local Indicators of Spatial Association and the estimation of a geographically weighted regression model. The results showed the decentralization of new businesses occurred and that there is an inverse relationship between traditional retail deliveries and online retail deliveries concerning the location of new businesses. Furthermore, the results indicated a change in the territorial dynamics of the non-residential real estate sector, encouraged by urban deliveries. Thus, the master plans must consider urban deliveries as a driving component in urban and transport planning.
Trajectories of Physical Function and Behavioral, Psychological, and Social Well-Being in a Cohort of Swedish Older Adults

Abstract Background and Objectives Successful aging has been described as a multifactorial and dynamic process. The aims of the study were to detect aging trajectories of physical function and behavioral, psychological, and social well-being; and to explore the correlations between functional versus well-being trajectories by age group. Research Design and Methods Data were gathered from the Swedish National Study on Aging and Care in Kungsholmen (N = 1,375). Subjects’ physical function was assessed through walking speed and chair-stand tests, behavioral well-being through participation in mental and physical activities, psychological well-being through life satisfaction and positive affect, and social well-being through social connections and support. All exposures were standardized (z-scores). Linear mixed models were used to estimate trajectories of physical function and well-being over a 12-year follow-up. Results The steepest declines were seen for physical function (relative change [RC] in z-scores across ages; RC = 3.01), followed by behavioral well-being (RC = 2.15), psychological well-being (RC = 2.01), and social well-being (RC = 0.76). Correlations between physical function and the different well-being domains were weak, especially for slopes. Stronger intercept correlations were observed among the oldest—compared to the youngest-old, especially with behavioral (r = 0.39 vs r = 0.24) and psychological (r = 0.33 vs r = 0.22) well-being. Discussion and Implications Physical function declines the fastest throughout aging. The different well-being domains decline at a slower rate, which may be a possible sign of compensation against age-related functional decline, especially among the youngest-old, for whom discordances between physical function and the different well-being domains were more common.