4,672 research outputs found

    Penerapan Metode Multiple Discriminant Analysis untuk Mengukur Tingkat Kesehatan yang Mengindikasikan Gejala Financial Distress pada Bank Umum Syariah

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    This research aims to account, analyse and compare the level ofIslamic commercial bank\u27s health using CAMELS method mentioned in PBI No.9/1/PBI/2007 and SEBI No 9/24/DPbS/2007 and using multiple discriminant analysis (MDA) altman z-score method. There are only four of six factors that used in CAMELS: capital, asset, earning and liquidity excluding Management and Sensitivity of Market Risk factor. The variables of capital factors are KPMM and ECR ratio. Asset factor consist of KAP and NPF ratio. Earning factor contains four ratios, such as NOM, ROA, ROE and REODOI: 10.15408/aiq.v5i2.256

    Kompetensi Profesional Guru IPA Kelas V di Sekolah Dasar Negeri Se-kecamatan Pontianak Selatan

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    This study aimed to describe the professional competence of teachers of natural science class V in se-State Primary School District of South Pontianak. The method used is descriptive method of research survey form. The sample was a sample population of 23 teachers. Based on statistical calculations obtained by the average percentage of mastery of the material, structure, concepts and scientific mindset that supports teaching science category at 73.48% is good enough, the standard of competence and mastery of basic competencies science this category 61.74% is good enough, the development of 81.30% of material science learning both categories, continuous professional development by the science teachers category 70.00% is good enough, the utilization of information and communication technology teachers teaching science by 79.57% both categories. Thus, the average percentage obtained professional competence fifth grade science teacher at 73.22% which is pretty good category. However, should the need for improvement in order to have an impact on improving the quality of students\u27 learning processes and outcomes

    Pengukuran Tingkat Kesehatan dan Gejala Financial Distress Bank Umum Syariah

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    : Measurement of Financial Soundness and Financial Distress Symptom of Commercial Bank. This study aims to measure, analyze and compare the level of Islamic Banks (BUS) soundness using the CAMELS and the Multiple ECR method. The results of the CAMEL analysis show that the three Islamic banks studied are healthy. However, the results of the MDA analysis suggest that those three banks are categorized bankrupt. This conflicting finding indicates that MDA method is not appropriate to assess commercial banks. This is because the natures of commercial bank as a financial intermediary are much different from those of the company

    On the ubiquity of molecular anions in the dense interstellar medium

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    Results are presented from a survey for molecular anions in seven nearby Galactic star-forming cores and molecular clouds. The hydrocarbon anion C6H- is detected in all seven target sources, including four sources where no anions have been previously detected: L1172, L1389, L1495B and TMC-1C. The C6H-/C6H column density ratio is greater than about 1.0% in every source, with a mean value of 3.0% (and standard deviation 0.92%). Combined with previous detections, our results show that anions are ubiquitous in dense clouds wherever C6H is present. The C6H-/C6H ratio is found to show a positive correlation with molecular hydrogen number density, and with the apparent age of the cloud. We also report the first detection of C4H- in TMC-1 (at 4.8-sigma confidence), and derive an anion-to-neutral ratio C4H-/C4H = (1.2 +- 0.4) x 10^-5 (= 0.0012 +- 0.0004%). Such a low value compared with C6H- highlights the need for a revised radiative electron attachment rate for C4H. Chemical model calculations show that the observed C4H- could be produced as a result of reactions of oxygen atoms with C5H- and C6H-

    Project Citizen Model in Civic Learning to Improve Students Critical Thinking Skills

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    This research was conducted by the issue regarding students low level of critical thinking skills in civic learning. This is due to the tendency of teachers in using conventional learning models that prioritize conceptual understanding so does not develop to student\u27s critical thinking skills. This research aims to obtain the increased critical thinking skills and student\u27s learning outcomes by using project citizen model in civic learning on fifth grade of elementary school. The subject of this research are fifth grade students at Cinunuk 01 elementary school which consisting of 42 students. The research is implemented by Elliot\u27s classroom action research through three cycle, every cycle consisting of three acts. An instrument used is LKS, sheets of assessment products, evaluation question, sheets of guidelines, sheets of observation, field notes and documentation. The results of the study show that critical thinking skills and student\u27s learning outcomes by using project citizen model in civic learning undergo increase. In cycle I, the average score of student\u27s critical thinking skills is 58,71, Cycle II is 72,19 and cycle III is 91,76. Then, the average score of student\u27s learning outcomes on cycle I is 48,83, Cycle II is 64,59 and Cycle III is 80. Based on the result of this research can be concluded that project citizen model can improve critical thinking skills and student\u27s learning outcomes in civic learning of elementary school. Therefore, researchers recommend project citizen model as one of the alternatives in improved the skills of critical thinking and student\u27s learning outcomes in civic learning at elementary schoo

    Early Diagenesis of Plitvice Lakes Waterfall and Barrier Treavertine Deposits

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    Travertine forms spectacular waterfalls, barriers, and subaqueous finegrained lake-fill accumulations throughout the Plitvice National Park, Croatia, northwestern Yugoslavia. Barrier deposits form dams, behind which, the lakes of the Plitvice complex are situated. Three generations of low-magnesian calcite spar comprise the waterfall and barrier forming travertines. The initial precipitates generally are composed of cloudy, very finely to medium crystalline equant to bladed spar. A later generation is composed of clear, isopachous layers of medium to coarsely crystalline bladed crystals. Additionally, centimeter-thick laminated speleothem-like crusts, composed of clear, bladed to columnar spar, are the common precipitates around micritic accumulations within the older travertine. In comparison, the lake-fill deposits are primarily composed of moderately (recent lake-fill deposits) to well-developed (relict lake-fill deposits) 3-8 ^m calcite rhombohedrons. Petrographie analyses clearly show that cyanobacteria, fungi, and/or other microbial organisms bore into the spar and micritize it. This sparmicritization is pervasive throughout the waterfall and barrier deposits. Bladed spar crystals range from those which are pristine to those whose original bladed morphology can only be interpreted by comparison with laterally adjacent crystals. Individual samples display multiple generations of spar which have undergone various degrees of sparmicritization. Sparmicritization results in a thoroughly micritized accumulation in which evidence of the original spar composition has been completely obliterated.Le travertin est à l'origine de la formation de chutes spectaculaires, de barrières et de dépôts lacustres subaquatiques à grains fins partout dans le parc national Plitvice, en Croatie. Les barrières de travertin forment des barrages derrière lesquels est situé le complexe des lacs Plitvice. La chute et les barrières de travertin comprennent trois générations de sparites de calcite à basse teneur de magnésium. Les précipitations initiales sont généralement composées de sparite à cristaux impurs très fins à moyens allant de la forme isométrique à celle de la lame. Une génération subséquente est constituée de couches transparentes isopaques de cristaux plus ou moins fins en forme de lame. De plus, les croûtes laminées de l'ordre du centimètre, constituées de sparite en lame ou colonnaire, représentent le type de précipitations habituellement observées autour des accumulations de micrite à l'intérieur des plus anciens travertins. Par contre, les dépôts de remblaiement lacustre comprennent surtout des rhomboèdres de calcite de 3 à 8 p.m. Les analyses pétrographiques montrent clairement que les cyanobactéries, les champignons ou autres organismes microbiens creusent la sparite et la micritise. Cette micritisation de la sparite est répandue partout dans la chute et les dépôts de barrière. Les cristaux de sparite en lame comprennent ceux qui sont anciens et ceux dont la morphologie originelle en lame ne peut être interprétée qu'à l'aide des cristaux latéraux adjacents. Certains échantillons montrent de nombreuses générations de sparites qui ont subi une micritisation plus ou moins intense. La micritisation de la sparite résulte en une accumulation complètement micritisée où la composition originelle de la sparite a été oblitérée.Kaiktuff bildet pràchtige Wasserfàlle, Barrieren und feinkômige Unterwasser-Seeablagerungen quer durch den gesamten Nationalpark von Plitvice, Kroatien, nordwestliches Jugos-lawien. Die Travertin-Barrieren bilden Dàrnme, hinter denen sich die Gesamtheit der Seen von Plitvice befindet. Der Wasserfall und die Travertin-Barrieren umfassen drei Generationen von Kalkspat mit niedrigem Magnesiumgehalt. Die anfànglichen Ausscheidungen bestanden im allgemeinen aus Spat mit trùben, sehr feinen bis mittleren Kristallen von isometrischer Form bis Plàttchen-Form. Eine spâtere Generation besteht aus klaren, isopachen Schichten von mittleren bis grob kristallinischen Plâttchen-Kristallen. AuGerdem sind zentimeterdicke blàttrige Krusten, bestehend aus reinem blattbis saulenfôrmigem Spat die ùblichen Ausscheidungen um die mikritische Akkumulationen innerhalb der âlteren Travertine. Hingegen bestehen die See-auffùllungs-Ablagerungen vor allem aus mâBig (neuere Seeauffùllungs-Ablagerungen) bis gut entwickelten (frùhere See-auffùllungs-Ablagerungen) Kalkspat-Rhom-boedern von 3-8 jj.m. Die Gesteinsanalysen zeigen deutlich, daB die Zyanbakterien, Pilze und andere Mikroorganismen den Spat aushôhlen und ihn mikritisieren. Dièse Spat-Mikritisierung durchdringt den Wasserfall und die Barriereablagerungen. Die Spatplattchenkristalle reichen von den ursprùnglichen bis zu denen, deren ursprungliche Plâttchenmorphologie nur durch Vergleich mit lateral angrenzenden Kristallen interpretiert werden kann. Einzelne Proben zeigen zahlreiche Generationen von Spat, die verschiedene Grade der Spat-Mikritisierung durchlaufen haben. Spat-Mikritisierung fùhrt zu einer Mikritisierungs-Anhâufung, in welcher die ursprungliche Spatzusammensetzung getilgt worden ist

    Kinetic Study of Esterification Reaction

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    The Esterification kinetics of acetic acid with ethanol in the presence of sulfuric acid as a homogenous catalyst was studied with isothermal batch experiments at 50-60°C and at a different molar ratio of ethanol to acetic acid [EtOH/Ac]. Investigation of kinetics of the reaction indicated that the low of [EtOH/Ac] molar ratio is favored for esterification reaction, this is due to the reaction is catalyzed by acid. The maximum conversion, approximately 80% was obtained at 60°C for molar ratio of 10 EtOH/Ac. It was found that increasing temperature of the reaction, increases the rate constant and conversion at a certain mole ratio, that is due to the esterification is exothermic. Activity coefficients were calculated using UNIFAC program. Results showed deviation in activation energy in the non-ideal system of about 20% this is due to the polarities of water and ethanol compared to the non-polar ethyl acetate this dissimilarity leading to strong non- ideal behavior. The homogenous reaction has been described with simple power-law model. The chemical equilibrium combustion calculated form the kinetic model in agreement with the measured chemical equilibrium
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