Miracle-dz/UniFAR-FTUs huggingface dataset:
Numerical Investigation of Tonal Trailing-Edge Noise Radiated by Low Reynolds Number Airfoils

A high-fidelity computational analysis carefully validated against concurrently obtained experimental results is employed to examine self-noise radiation of airfoils at transitional flow regimes, with a focus on elucidating the connection between the unsteady behavior of the laminar separation bubble (LSB) and the acoustic feedback-loop (AFL) resonant interactions observed in the airfoil boundary layers. The employed parametric study examines AFL sensitivity to the changes in the upstream flow conditions and the airfoil loading. Implicit Large-Eddy Simulations are performed for a NACA-0012 airfoil in selected transitional-flow regimes for which experimental measurements recorded characteristic multiple-tone acoustic spectra with a dual ladder-type frequency structure. The switch between the tone-producing and no-tone-producing regimes is traced to the LSB size and position as a function of the flow Reynolds number and the airfoil angle of attack, and further substantiated by the linear stability analysis. The results indicate a strong multi-tonal airfoil noise radiation associated with the AFL and attributed to the switch from the slowly-growing Tollmien– Schlichting to the fast-growing Kelvin–Helmholtz instabilities occurring in thin LSB regions when those are localized near the trailing-edge (TE) on either side of the airfoil. Such a process eventually results in the nonlinearly saturated flapping vortical modes (“rollers”) that scatter into acoustic waves
Political Institutions and Coups in Dictatorships

Does the creation of nominally democratic institutions help dictators stay in power by diminishing the risk of coups? We posit that the effectiveness of political institutions in deterring coups crucially depends on the types of plotters and their political goals. By providing a means to address the ruling coalition’s primary concerns about a dictator’s opportunism or incompetence, institutions reduce the necessity of reshuffling coups, in which the ruling coalition replaces an incumbent leader but keeps the regime intact. However, such institutions do not diminish the risk of regime-changing coups, because the plotters’ goals of overthrowing the entire regime and changing the group of ruling coalition are not achievable via activities within the institutions. Our empirical analysis provides strong empirical support for our expectations. Our findings highlight that the role of “democratic” institutions in deterring coups is rather limited as it only applies to less than 38% of coup attempts.
Behavioural repertory of juveniles of the freshwater crab Poppiana dentata (Randall 1840) under laboratory conditions

The behavioural repertory for Poppiana dentata has not been previously reported in literature. Therefore, this study aimed to describe the repertory of behaviours for juvenile P. dentata, under laboratory conditions. An ethogram was used to categorize activities into seven main behavioural acts; foraging, eating, grooming, locomotion, quiescence (inactive), prolonged agonism and non-agonistic contact. Juvenile daily behaviour (n = 12) were continuously recorded over 72 hr and the time durations for each behavioural act were determined from viewing video footage (n = 864 hr). Activities over 24 hr were derived from percent daily proportions of each behavioural act. Overall, juvenile crabs spent most of their time foraging (54.8%) and resting (quiescence; 25.4%), while they performed eating (11.1%), grooming (5.3%), locomotion (2.6%) and displayed agonism (0.8%) to a lesser extent. Diurnal differences between light and dark phases were significant for foraging, quiescence and eating (P < 0.05). Time spent on grooming, locomotion and prolonged agonism were higher in the light phase versus the dark but these photoperiodic variations were not significant (P > 0.05). High occurrences of non-agonistic contact were similarly observed for light (101 events) and dark (93 events) phases, reflecting a gregarious nature for the juvenile stage of P. dentata. This behavioural repertory represents the first ethological description reported for the species.
Enhancing Ecologically Sustainable Management of Deadwood in Kenya’s Natural Forests

The need for ecologically sustainable management of natural forests has assumed greater prominence in conservation and climate change discourses. However, the identification of deadwood, a critical component of natural forests, continues to receive little attention around the world. Through a review of the existing literature, this study sought to promote consciousness and awareness on the value of deadwood using the case of Kenya’s natural forests in the wider context of biodiversity conservation and climate change. Results substantiate that deadwood in natural forests performs a vital function in forest biological and ecological functions. However, forest degradation through the removal of deadwood, even though widely neglected, results in considerable biodiversity loss and might alter natural forest ecosystems, thereby exacerbating the impacts of climate change. In Kenya, despite the recent sophistication of forest management tools, including the development of the Draft Forest Policy, 2020, and enactment of the Forest Conservation and Management Act, 2016, to increasingly recognize the more progressive forest management paradigms such as participatory forest management in natural forest management, the current deadwood management practice is faulty and could yield outcomes contrary to the policy intentions and the wider provisions of ecologically sustainable forest management. It is because major policy documents lack robust and explicit guidelines on achieving ecologically sustainable management of deadwood despite its centrality in providing ecosystem services and as a highly dependable source of energy resources for over 70% of the Kenyan population. Moreover, deadwood management appears to be affected by many complex biological, technical, policy, and socioeconomic factors that appear to be acting together against sustainable deadwood management. Still, perhaps most importantly, the absence of research on the topic is the most outstanding challenge. Therefore, in the future, improving the sustainable management of natural forests will require the restoration of deadwood and increasing consciousness on the value of deadwood through more research studies.
Initial State Interaction for the 20Ne + 130Te and 18O + 116Sn Systems at 15.3 AMeV from Elastic and Inelastic Scattering Measurements

Double charge exchange (DCE) reactions could provide experimentally driven information about nuclear matrix elements of interest in the context of neutrinoless double-β decay. To achieve this goal, a detailed description of the reaction mechanism is mandatory. This requires the full characterization of the initial and final-state interactions, which are poorly known for many of the projectile-target systems involved in future DCE studies. Among these, we intend to study the 20Ne + 130Te and 18O + 116Sn systems at 15.3 AMeV, which are particularly relevant due to their connection with the 130Te→130Xe and 116Cd→116Sn double-β decays. We measure the elastic and inelastic scattering cross-section angular distributions and compare them with theoretical calculations performed in the optical model, one-step distorted wave Born approximation, and coupled-channel approaches using the São Paulo double-folding optical potential. A good description of the experimental data in the whole explored range of transferred momenta is obtained provided that couplings with the 21+ states of the projectile and target are explicitly included within the coupled-channel approach. These results are relevant also in the analysis of other quasi-elastic reaction channels in these systems, in which the same couplings should be included.
Determination of Predisposing Factors in Developing Candida albicans Associated Urinary Tract Infection and Antifungal Sensitivity Profile

Aim: Candiduria is very common in hospitalized patients. It poses a clinical challenge for the physicians since it is usually asymptomatic. The aim of this study was to identify risk factors associated with nosocomial candiduria in urinary tract infection (UTI) suspected patients in Methodology: Intensive Care Unit (ICU) and to determine their antifungal sensitivity profile. The urine specimens (168) were collected, microscopically screened for presence of yeast, cultured and analyzed for counting, isolation, phenotypic identification of Candida albicans. and testing antifungal resistance profile. Data regarding age, gender, use of catheter, use of antibiotics, diabetes mellitus among patients was also recorded. Original Research Article Lal et al.; JPRI, 33(6): 40-49, 2021; Article no.JPRI. 65974 41 Results: Out of 168 specimens, C. albicans were isolated from 69 specimens, whereas 20 specimens showed other Candida spp. Age >45 years, gender female, previous use of antibiotics, urinary catheterization, stay in ICU >1 week were found the main predisposing factors (p<0.05) responsible for developing nosocomial candiduria. All C. albicans isolates were found either susceptible or susceptible-dose dependent to fluconazole, amphotericin B and voriconazole; however, 62.32% of the isolates were resistant to itraconazole. Conclusion: Most frequent candiduria, possible predisposing factors in ICU patients and resistance of C. albicans towards itraconazole is alarming and highlights the need of candiduria surveillance.
Accelerating the discovery of the beyond rule of five compounds that have high affinities toward SARS-CoV-2 spike RBD

Abstract The battle against SARS-CoV-2 coronavirus is the focal point for the global pandemic that has affected millions of lives worldwide. The need for effective and selective therapeutics for the treatment of the disease caused by SARS-CoV-2 is critical. Herein, we performed a hierarchical computational approach incorporating molecular docking studies, molecular dynamics simulations, absolute binding energy calculations, and steered molecular dynamics simulations for the discovery of potential compounds with high affinity towards SARS-CoV-2 spike RBD. By leveraging ZINC15 database, a total of 1282 in-clinical and FDA approved drugs were filtered out from nearly 0.5 million protomers of relatively large compounds (MW > 500, and LogP ≤ 5). Our results depict plausible mechanistic aspects related to the blockage of SARS-CoV-2 spike RBD by the top hits discovered. We found that the most promising candidates, namely, ZINC95628821, ZINC95617623, ZINC3979524, and ZINC261494658, strongly bind to the spike RBD and interfere with the human ACE2 receptor. These findings accelerate the rational design of selective inhibitors targeting the spike RBD protein of SARS-CoV-2. Communicated by Ramaswamy H. Sarma
Proximate and Mineral Compositions of Seeds of Some Conventional and Non Conventional Fruits in Niger State, Nigeria

The proximate and mineral composition of water melon, bitter melon, pawpaw, guava and cherry seeds were carried out; these sample seeds were obtained from discards of plants and prepared for use by decocting, sun drying and grinding into powder. Using petroleum ether; of boiling range 40-60 o C, their fats were extracted, the protein content, ash content, crude fibre, moisture, carbohydrate as well as the mineral contents were determined using standard methods. The fats yield of 44.00±0.04, 34.00±0.00, 26.01±0.00, 19.01±0.02 and 13.00±0.01% were obtained for water melon, bitter melon, pawpaw, guava and cherry seeds samples respectively. From this result, water melon and bitter melon seeds can be regarded as oil seeds. The mineral compositions determination of the samples showed that water melon had the highest mineral compositions which were 14.46±0.00, 7.37±0.20, 28.87±0.10 and 12.25±0.01 mg/100g for potassium, calcium, iron and copper respectively while cherry seed had the least values.
The effectiveness of Max‐half‐Mchart over Max‐Mchart in simultaneously monitoring process mean and variability of individual observations

Control charts are widely used in industrial environments for the simultaneous or separate monitoring of the process mean and process variability. The Max‐Mchart is a multivariate Shewhart‐type simultaneous control chart that is used when monitoring subgroups. While this sampling design allows the computation of the generalized variance (GV) used to calculate the process variability, a GV chart cannot be plotted for individual observations. Hence, we cannot compute the single statistic in the Max‐Mchart. This study aims to overcome the aforementioned issue. To this end, first, we develop a new Max‐Mchart for individual observations by utilizing the statistic in the dispersion control chart. Second, instead of the standard normal distribution, we propose a new transformation using a half‐normal distribution to calculate the statistic for the process mean and process variability. Thus, the proposed chart is called the Max‐Half‐Mchart, whose control limit is calculated using the bootstrap approach. An evaluation based on the average run length values shows the robustness of the Max‐Half‐Mchart for the simultaneous monitoring of the process mean and process variability. The single statistic in the Max‐Half‐Mchart is more consistent with the statistic in Hotelling's T2 and the dispersion chart than that of the Max‐Mchart.
Multiscale Microbial Preservation and Biogeochemical Signals in a Modern Hot-Spring Siliceous Sinter Rich in CO2 Emissions, Krýsuvík Geothermal Field, Iceland

The microbial communities inferred in silica sinter rocks, based on multiscale morphological features (fabrics and textures) and the presence of lipid biomarkers and their carbon isotopic composition, are evaluated in the Krýsuvík geothermal area of Iceland. Close to vent environments (T > 75 °C and pH 1.7‒3), stream floors are capped with homogeneous vitreous crusts and breccia levels, with no distinct recognizable silicified microbes. About 4 m far from the vents (T 75‒60 °C and pH 3‒6) and beyond (T < 60 °C and pH 6‒7.6), microbial sinters, including wavy and palisade laminated and bubble fabrics, differ between abandoned meanders and desiccated ponds. Fabric and texture variances are related to changes in the ratio of filament/coccoid silicified microbes and associated porosity. Coatings of epicellular silica, less than 2 µm thick, favor identification of individual microbial filaments, whereas coalescence of opal spheres into agglomerates precludes recognition of original microbial textures and silicified microbes. Episodic fluctuations in the physico-chemical conditions of surface waters controlled the acidic hydrolysis of biomarkers. Wavy laminated fabrics from pond margins comprise fatty acids, mono- and dialkyl glycerol, mono- and diethers, monoalkyl glycerol esters and small traces of 10-methyl branched C16 and C18 fatty acids and archaeol, indicative of intergrowths of cyanobacteria, Aquificales, and sulfate reducing bacteria and methanogenic archaea. In contrast, wavy laminated fabrics from abandoned meanders and palisade laminated fabrics from ponds differ in their branched fatty acids and the presence vs. absence of bacteriohopanetetrol, reflecting different cyanobacterial contributions. δ13C values of biomarkers range from −22.7 to −32.9‰, but their values in the wavy (pond) and bubble fabrics have much wider ranges than those of the wavy (meander), palisade, and vitreous fabrics, reflecting dissolved inorganic carbon (DIC) sources and a decrease in 13C downstream outflow channels, with heavier values closer to vents and depleted values in ponds.
Spatiotemporal changes in aerosol properties by hygroscopic
growth and impacts on radiative forcing and heating rates
during DISCOVER-AQ 2011

Abstract. This work focuses on the characterization of vertically-resolved aerosol hygroscopicity properties and their direct radiative effects through a unique combination of ground-based and airborne remote sensing measurements during the DISCOVER-AQ 2011 field campaign in the Washington D.C. – Baltimore metropolitan area. To that end, we combined measurements from a multiwavelength Raman lidar located at NASA Goddard Space Flight Center and the airborne NASA Langley HSRL-1 lidar system. In-situ measurements on board the P-3B airplane and ground-based AERONET-DRAGON served to validate and complement quantifications of aerosol hygroscopicity from lidar measurements and also to extend the study both temporally and spatially. The focus here is on the 22nd and 29th of July, 2011 which were very humid days and characterized by a stable atmosphere and increasing relative humidity with height in the planetary boundary layer (PBL). Combined lidar and radiosonde measurements allowed the retrieval of the Hänel hygroscopic growth factor which agreed with that obtained from airborne in-situ measurements, and also explained the significant increase of extinction and backscattering with height. Airborne measurements also confirmed aerosol hygroscopicity throughout the entire day in the PBL and identified sulfates and water soluble organic carbon as the main species of aerosol particles. The combined Raman and HSRL-1 measurements permitted the inversion for aerosol microphysical properties revealing an increase of particle radius with altitude consistent with hygroscopic growth. Aerosol hygroscopicity was identified as the main reason to explain aerosol optical depth increases during the day, particularly for fine mode particles. Lidar measurements were used as input to the libRadtram radiative transfer code to obtain vertically-resolved aerosol radiative effects and heating rates under dry and humid conditions, and the results reveal that aerosol hygroscopicity is responsible for larger cooling effects in the shortwave range (7–10 W/m2 depending on aerosol load) near the ground, while heating rates produced a warming of 0.12 K/day near the top of PBL where aerosol hygroscopic growth was highest.
Relationship Between Knowledge and Nurse Characteristics with the Completeness of Nursing Documentation in Inpatient Room of Bandung Muhammadiyah Hospital

Nurses are obliged to document the nursing care. Documenting that is not done completely can reduce the quality of nursing service because it can not identify the extent of success level of nursing care that has been given and also a legal aspect because it can not be accountable to the client. This study aims to determine the relationship between the level of knowledge and characteristics of nurses with the completeness of nursing care documentation in Inpatient Room Muhammadiyah Hospital Bandung. This research design uses quantitative descriptive design with correlation method. Sampling technique using nonprobability sampling with purposive sampling.Data samples obtained through questionnaire and observation sheet. The data were analyzed through univariate by using the frequency and bivariate distribution using Chi Square Test. The research result from 66 respondents was 20-30 years old (53,0%), last education majority of Nursing Diploma 50 people (75,7%), Type Sex majority of women 51 people (77.28%), and long working nurse majority <10 years 43 people (65.2%). Based on the result of bivariate analysis showed that there is correlation of nurse knowledge level with the completeness of nursing documentation documentation with Chi Square value (97,515) bigger than Chi Square table (49,273) with significance value (0,00) <(0,05). Suggestions to achieve the completeness of nursing care documentation need to evaluate the training of nursing care documentation, especially for hospitalized ward nurses. Keywords—Nurse, Characteristics, documentation
Bimolecular Excited-State Electron Transfer with Surprisingly Long-Lived Radical Ions

We explored the excited-state interactions of bimolecular, noncovalent systems consisting of cationic poly[(9,9-di(3,3′-N,N′-trimethylammonium) propyl fluorenyl-2,7-diyl)-alt-co-(9,9-dioctyl-fluorenyl-2,7-diyl)] diiodide salt (PFN) and 1,4-dicyanobenzene (DCB) using steady-state and time-resolved techniques, including femto- and nanosecond transient absorption and femtosecond infrared spectroscopies with broadband capabilities. The experimental results demonstrated that photoinduced electron transfer from PFN to DCB occurs on the picosecond time scale, leading to the formation of PFN+• and DCB–• radical ions. Interestingly, real-time observations of the vibrational marker modes on the acceptor side provided direct evidence and insight into the electron transfer process indirectly inferred from UV–Vis experiments. The band narrowing on the picosecond time scale observed on the antisymmetric C—N stretching vibration of the DCB radical anion provides clear experimental evidence that a substantial part of the.
Beyond Identity: What Explains Hezbollah's Popularity among Non-Shi‘a Lebanese?

Abstract This study delves into how non-Shi‘a Lebanese assess Hezbollah and its activities. Having provided empirical evidence that Hezbollah has garnered positive perception in Lebanon, it asks what explains a substantial increase or decrease in favorable attitudes toward Hezbollah among Christians, Sunnis, and Druze? It argues that those who perceive Hezbollah as a resistance organization, as it often describes itself; the political alliance across sectarian groups; as well as insecurity caused by armed groups such as Sunni militant groups and ISIS, all combine to moderate people's views toward Hezbollah. Using an original, nationally representative face-to-face survey in Lebanon in 2015 and employing a multivariate statistical method, it finds that those who hold unfavorable views of the United States, those who support the political alliance of which Hezbollah is part, and those who support the Assad regime in Syria are likely to have a positive perception of Hezbollah and or its activities in the region.
Measurement of Relative Permeability Curves of Cores with Different Permeability and Lengths under Unsteady-State

Received: 17 September 2020 Accepted: 25 December 2020 The oil-water and gas-water relative permeability curves are important reference data for the dynamic analysis and numerical simulation of oil and gas reservoir exploitation. Although the petroleum industry of China and other countries have formulated reference standards for the measuring methods of relative permeability of cores, they haven’t given the definite reference values of the core length, therefore we cannot know for sure whether different core length values are required in the measurement and whether the core length has an impact on the measurement results. In view of this gap, this paper conducted a research on the relative permeability of cores with different lengths. The core samples are artificial core with similar properties as the outcrop cores of the Halfaya Oilfield (Iraq), in our experiment, the oil-water and gas-water relative permeability curves of the sample cores were measured and the results suggest that, for the oil-water relative permeability curves, as the core length grows, the iso-permeability points move to the right, and they basically stabilize when the core length is greater than 20cm; as for gas-water relative permeability curves, in case of low-permeability cores, under constant injection pressure, as the core length grows, the iso-permeability points and the two-phase co-permeation areas present an obvious tendency of moving to the left, but when the core length is greater than 20cm, such tendency is not obvious, and the high-permeability cores do not have such characteristics. These results indicate that, the unsteady-state two-phase relative permeability measurement experiments obtained accurate results at a core length of about 20cm, which provided a reference for similar experiments in subsequent research.