13 research outputs found
Eksperimentasi Model Pembelajaran Problem Based Learning Dan Model Discovery Learning Serta Model Think Pair Share Materi Kubus Dan Balok Ditinjau Dari Kategori Kecerdasan Emosional Pada Kemampuan Berpikir Matematis Tingkat Tinggi Peserta Didik SMP
The objective of this research was to know the effect of the learning models on the high order mathematical thinking skill viewed from the emotional quotient of the students. The learning models compared were model of the PBL, model of the DL and model of the TPS. This research used the quasi experimental research. It's population was all of the students in Grade VIII of State Junior Secondary Schools in Sukoharjo. The samples of the research were taken by using the stratified cluster random sampling technique and consisted of 253 students. They were grouped into three classes, namely: 87 in Experimental Class 1, 84 in Experimental Class 2, and 83 in Experimental Class 3. The instruments to gather the data were test of high order mathematical thinking skill on the learning topic of cube and beam, and emotional quotient questionnaire. The proposed hypotheses of the research were analyzed by using the two way analysis of variance with unbalanced cells. The results of the research were as follows. 1) Model of the PBL results in a better high order mathematical thinking skill than model of the DL, and model of the TPS. Model of the DL results same high order mathematical thinking skill with TPS. 2) Emotional quotient gives students a different effect on high order mathematical thinking skill on the learning topic of cube and beam. The students with the high emotional quotient have a better high order mathematical thinking skill than those with the moderate emotional quotient and those with the low emotional quotient, the students with the moderate emotional quotient have a better high order mathematical thinking skill than those with the low emotional quotient. 3) There was no interaction the aforementioned learning models and the categories of the emotional quotient on the high order mathematical thinking skill of the students
Evaluasi Dosis Glandular Dalam Pemeriksaan Mammografi
Mean glandular Dose (MGD) during mammography has been determined for 49 patients using TLD. MGD numbers has been derived from the measured ESD (Entrance Surface Dose) by multiplicating ESD with converted Dp, (ESD with average glandular dose per unit exposure conversion factor) incorporating the glandular percentage to adipose percentage. Dgn data were obtained from Boone's Monte Carlo calculation and generally is a function of HVL values and breast thickness. The glandular percentage to adipose were obtained using Nooriah Djamal's methods of mammography film analysis Both 0% glandular Dgn for adipose contribution and 100% glandular DSu for glandular contribution were then obtained from Boone's table. Average Entrance Surface Dose (ESD) for 49 patients were found to be 7.6 ('bl 3.9) mGy. The average MGD for 49 patients were found to be 1.818 (bl 0.615) mGy. These values were generally below the recommended FDA (Food and Drug Administration) limit of 3 mGy
Brief histories of medical physics in Asia-Oceania
The history of medical physics in Asia-Oceania goes back to the late nineteenth century when X-ray imaging was introduced, although medical physicists were not appointed until much later. Medical physics developed very quickly in some countries, but in others the socio-economic situation as such prevented it being established for many years. In others, the political situation and war has impeded its development. In many countries their medical physics history has not been well recorded and there is a danger that it will be lost to future generations. In this paper, brief histories of the development of medical physics in most countries in Asia-Oceania are presented by a large number of authors to serve as a record. The histories are necessarily brief; otherwise the paper would quickly turn into a book of hundreds of pages. The emphasis in each history as recorded here varies as the focus and culture of the countries as well as the length of their histories varies considerably