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1,073 result(s) for "Ramdani, S."
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An ultrasonic and temperature sensor prototype using fuzzy method for guiding blind people
A blind person must be protected from direct contact with unknown high-temperature objects in the surrounding environment. A system is needed to be able to detect the location and temperature of objects without direct contact. Ultrasonic sensors are used as object distance detectors and infrared temperature sensors are used as object temperature detectors without any direct contact. This system is processed with ATMega328 and information is conveyed to the user via buzzer sound signals and DC motor vibrations. The system as a whole is planted in a glove designed specifically to facilitate the user in using the tool.
Pedagogical competence of productive lesson teachers of vocational high schools in Banten province
This study aims to reveal the pedagogical competence of productive subject teachers in Banten Province in the learning process, the urgency of the pedagogical competency aspects of productive subjects and the perception of productive subjects' teachers on pedagogical competencies. This research is a quantitative descriptive study conducted in 16 Vocational High Schools in Banten Province. Data collection techniques used were questionnaires, observations, and interviews. The data analysis technique used is descriptive statistical analysis. The results of the study are as follows: (1) The pedagogical competence of productive subject teachers in Vocational High Schools in Banten Province is generally included good category, (2) the urgency of the pedagogical competence of productive subject teachers at Vocational High Schools in Banten Province is generally included fundamental category, and (3) teacher teaching and learning activities there are still difficulties in the application of pedagogical competencies. Efforts by teachers to improve competence and knowledge are in participating in workshops and discussions with peers to increase knowledge and knowledge.
Influence of a brisk walking program on isokinetic muscular capacities of knee in sedentary older women
This study analyzed the evolution in peak torque (PT) and mean power (MP) isokinetic parameters in the quadriceps and hamstring muscles of elderly sedentary women who were randomly selected to participate in a brisk walking program for 6 months. The 121 sedentary women of this study presented a mean score of 5.3 (±1.7) on the Physical Activity Questionnaire for the Elderly and covered 86 % of the theoretical distance on the 6-min walk test. The isokinetic evaluation was performed on both sides at 60°/s and 180°/s. PT and MP were selected for analysis. Women in the trained group ( n  = 61) participated in a program of 78 sessions over 6 months with three sets of 60 min of exercise per week. For this group, heart rate, time and distance were, respectively, 125.2 bt/min (±10), 37.9 min (±4.2) and 3756.3 m (±445.4). The analysis of the group × time interaction demonstrated an increase in the PT of the dominant-side hamstrings ( p  < 0.001). In the trained group, we observed a significant increase in PT at 60°/s for the hamstrings on both sides (0.01 <  p  < 0.02) and a significant increase in MP for the hamstrings at 60°/s on the nondominant side ( p  < 0.05). The study indicates a minor, though significant, influence of a brisk walking program on the peak torque and mean power of the quadriceps and hamstring muscles in sedentary women over 60 years.
Quality Test of Bulk Palm Cooking Oil In Local Market, Banjar, West Java, Indonesia Base on Perokside Value, Iodin Value and Number of Free Fatty Acid
Vegetable oil used as cooking oil was extracted from fruits of plants. vegetable oil is known as a source energy for human body and an important component for dissolving fat soluble vitamins such as vitamin A, D, E and K . Bulk palm cooking oil sold in many markets does not meet quality standards due to damage that can occur during processing such as heating and during storage. the quality of cooking oil is determined by odor, color, water content, peroxide number, iodine number and free fatty acid content. Chemical analysis for qulality test of palm coking oil include peroxide value, iodin value, and free fatty acid level by the titration method. This study aimed to determined peroxide value, iodine value and free fatty acid level the bulk palm cooking purchesed in traditional market, Banjar, West Java. The result of the reseach showed that peroxide value of bulk palm cooking oil, were obtained by AOAC analytical method was 3,33 mekO2/kg, iodin value 2,38 mg/100g, and free fatty acid level 0,037 mg NaOH/g. Based on the result, the bulk palm cooking oile saled in the Banjar market still under the quality according to SNI standards.
Influence of a brisk walking program on postural responses in sedentary older women: a randomised trial
This study analyzes the evolution in kinematic and non-linear stabilometric parameters in elderly sedentary women selected to participate in a brisk walking program. Ninety-four women were randomly selected for a program of 78 sessions over 6 months, with three sessions of 60 min per week. On the force platform, participants were assessed with both eyes opened as well as eyes closed during a period of 51.2 s and the sampling frequency was 40 Hz. The main dependent kinematic variables were the length, stabilogram surface, and the mean position in anteroposterior as well as medio-lateral directions. For the dynamic approach, we have selected the parameters of recurrence quantification analysis, sample entropy, and multiscale entropy. The kinematic and the time series analysis of group × time interactions demonstrated that 6 months of walk-training lacked influence on kinematic postural responses and on dynamical measurements. The weekly brisk walking program was situated on flat ground and consisted of three 60-min weekly sessions lasting 6 months, leading to no significant effect on postural responses. In regards to international recommendations brisk walking is a pertinent exercise. However, in older sedentary women, our study indicated a systemic lack of influence of 6 months’ walk-training on flat ground on kinematic postural responses and on dynamical measures obtained by time series analysis.
Physical function decline and degradation of postural sway dynamics in asymptomatic sedentary postmenopausal women
Postural control is an important aspect of physical functioning. To determine whether postural sway complexity could discriminate asymptomatic sedentary postmenopausal women with normal or subnormal physical function from those with lower physical function. Cross-sectional study. Department of Geriatrics, University Hospital of Montpellier. 126 community-dwelling women aged 55 to 76 recruited though public meetings aimed at promoting physical activity in postmenopausal women. Women were asked to stand still on a force platform, either with eyes open (EO) or eyes closed (EC). Physical function was estimated using the Six-Minute Walking Distance (6MWD) test, expressed as a percentage of the predicted 6MWD (%-pred 6MWD) based on age, gender, body height, and weight. In addition to traditional stabilometric measures, dynamical measures (percentage of determinism of recurrence quantification analysis [DETRQA], sample entropy [SampEn] and complexity index of multiscale entropy [CIMSE]) were used to quantify the complexity of center of pressure (COP) time series (DETRQA: predictability, SampEn: regularity, CIMSE: multiscale regularity). None of the traditional stabilometric measures differentiated women with lower (%-pred 6MWD ≤ 85.5%) from those with subnormal or normal (%-pred 6MWD > 85.5%) physical function. Conversely, women with lower physical function showed lower SampEn values in the AP direction in both EO and EC conditions, as well as lower SampEn and higher DETRQA values in the ML direction in EC condition. No significant difference in the CIMSE values was found between the two groups. Lower physical function was found to be associated with lower postural sway complexity (higher regularity and predictability) in asymptomatic sedentary postmenopausal women, especially in the absence of vision. Future work is needed to determine whether a decrease in postural sway complexity could predict future decline in physical function in these women.
Effectiveness of learning support of asset (assessment simulation test) for reconstruction physics conception
This researech to aims the effectiveness of ASSET (Assessment Simulation Test) to reconstruction physics conception and identification of student misconception. The study focused on the results of the concept of Optic concept and the quantity of misconceptions of students on the use of ASSET of one of University in Serang City, Banten, Indonesia. The data collected of research of the provision of understanding of the concept of using Four Tier test conducted after the implementation of learning. The method of research to Quasi Experiment. The subject of this research involves one group's experimental group using \"ASSET\". The highest level of comprehension is 76,67% Understanding Part 15,56% Understanding 5,56% Understanding level 2.22% and the lowest level of understanding at the No Answer level of 0%. It can be concluded that the significant effect uses of ASSET for reconstruction conception data from both groups indicate the improvement of the quantity of misconception of reconstruction physics conception.
SYSTEMATIC LITERATURE REVIEW ON ISLAMIC ENDOWMENT FUNDS (WAQF) BETWEEN YEARS 2016 TO 2020
This study presents a Systematic Literature Review (SLR) related to the Islamic Endowment Fund (Waqf) contained in reputable journals indexed by the Australian Business Dean Council (ABDC). The choice of articles began with a search for articles related to waqf and found 538 articles related to waqf. After a series of the selection process was carried out, there were only 20 articles. The research stages divide into three parts, namely planning, conducting, and reporting. SLR research in this waqf is interesting because we will know where the research position is currently developing.
A Very High-Resolution Urban Green Space from the Fusion of Microsatellite, SAR, and MSI Images
Jakarta holds the distinction of being the largest capital city among ASEAN countries and ranks as the second-largest metropolitan area in the world, following Tokyo. Despite numerous studies examining the diverse urban land use and land cover patterns within the city, the recent state of urban green spaces has not been adequately assessed and mapped precisely. Most previous studies have primarily focused on urban built-up areas and manmade structures. In this research, the first-ever detailed map of Jakarta’s urban green spaces as of 2023 was generated, with a resolution of three meters. This study employed a combination of supervised classification and evaluated two machine learning algorithms to achieve the highest accuracy possible. To achieve this, various satellite images were utilized, including VV and VH polarizations from Sentinel-1, multiple bands from Sentinel-2, and eight bands from Planet. The Planet data were subsequently transformed into the Red-Edge Triangulated Vegetation Index and Red-Edge Triangulated Wetness Index. The data training and testing samples for urban green spaces were obtained using the Street View images available on Google Maps. The results revealed that using the Random Forest classifier algorithm and only eight bands of Planet images achieved an accuracy rate of 84.9%, while a combination of multiple images achieved an impressive 95.9% accuracy rate. Jakarta’s urban areas cover approximately 33.2% of green spaces. This study provides unprecedented insights into the type, size, and spatial distribution of Jakarta’s urban green spaces, enabling urban residents and stakeholders to explore and promote healthier living and better manage these green areas. Additionally, a previously unexplored concept, Jakarta’s urban green belt, is introduced.