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Sainstek : Jurnal Sains dan Teknologi
Published by Institut Agama Islam Negeri Batusangkar
ISSN : 20858019     EISSN : 2580278X     DOI : http://dx.doi.org/10.31958/js
Core Subject : Science, Education,
Computer Science & IT Other
Arjuna Subject : Umum - Umum
Articles 13 Documents
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Search results for , issue "Vol 8, No 2 (2016)" : 13 Documents clear
PEMBERIAN AIR REBUSAN DAUN SIRIH MERAH (Piper crocatum Ruiz &Pav) TERHADAP KADAR GLUKOSA DAN KOLESTEROL DARAH MENCIT PUTIH JANTAN Shinta, Dewi Yudiana; Sudyanto, Sudyanto
Sainstek : Jurnal Sains dan Teknologi Vol 8, No 2 (2016)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (161.796 KB) | DOI: 10.31958/js.v8i2.480

Abstract

This study aims to find of the effect of the water decoction of red betel leaf (Piper crocatum Ruiz & Pav) on blood glucose levels and cholesterol male white mice. The method used in this study deskripstif exploration using betel leaf stew and given to a white male mice are sonde at a dose of 0.13 ml / 20gBB, 0.13 to 0.39 ml / 20gBB 0.13 and 0.26 ml / 20gBB during seven days and examined glucose and cholesterol levels of the mice. Research results show that the water decoction of red betel leaf (Piper crocatum Ruiz & Pav) can lower blood glucose levels of male white mice were significantly (p <0.05) by ANOVA statistical analysis.
PENGGUNAAN COMPUTED RADIOGRAPHY UNTUK IDENTIFIKASI MADU LEBAH MAIYENA, SRI
Sainstek : Jurnal Sains dan Teknologi Vol 8, No 2 (2016)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (205.867 KB) | DOI: 10.31958/js.v8i2.481

Abstract

Research on identification of honey bee using Computed Radiography has been done. The testing was carried out by providing digital radiograph of the three types of honey bee. The voltage of the x-ray generator was varied at 50 kV, 60 kV and 70 kV, while filament current was set at 100 mA and exposure time was at 5 ms. Honey bee was identified based on the image line profile that indicated the distribution of linear absorption coefficient (ยต) for each sample. The analyses on the image line profile showed that at the voltage of 50 kV and 70 kV the three kinds of the honey bee can be distinguished. However, at the voltage of 60 kV the difference among honey bee was unable to be identified.
PENGEMBANGAN CATU DAYA PRESISI DISPLAY DIGITAL UNTUK PRAKTIKUM FISIKA LISTRIK DINAMIS Hamid, Bushra; Agustiyanto, Frans Rizal; Yulkifli, Yulkifli
Sainstek : Jurnal Sains dan Teknologi Vol 8, No 2 (2016)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (664.309 KB) | DOI: 10.31958/js.v8i2.482

Abstract

This study aims to generate power supply precision instrument digital display a valid and practical for students of physics 3rd semester of the school year 2014/2015. This research includes development research (research development) of the power supply circuit that has been common there are some drawbacks, namely, the output of output that does not fit, there is still AC voltage on the output value, the output voltage is unstable, so that the results of the lab basic physics 2 be not in accordance with the results of the theory. The addition of the diode bridge circuit helps perfect output voltage into DC, the capacitors in the circuit capacity was raised as a reliever ripple or ripples form to obtain a stable DC voltage value, for a voltage stabilizer is also used IC9815 surge protector. Limited trial conducted in STAIN Batusangakar to 26 students. Based on the results of data analysis has been carried out can be summarized as follows: (1) The results of the validation tool precision power supply digital display is very valid. (2) The results of trials carried out showed that the practicalities have met the criteria that can be used and implemented in a lab with practicality very practical value.

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