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Kaunia: Integration and Interconnection of Islam and Science Journal
Published by Universitas Islam Negeri Sunan Kalijaga Yogyakarta
ISSN : 18295266     EISSN : 29622085     DOI : -
Core Subject : Religion, Science, Education,
Religion Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
The aim of KAUNIA journal is to publish high-quality articles dedicated to all aspects of the latest outstanding developments in the field of Science, Mathematics, Education, Technology, and Religious Perspective Interconnect-Integration. The journal publishes articles, reviews, and research notes whose content and approach are of interest to a wide range of scholars.
Arjuna Subject : Umum - Umum
Articles 132 Documents
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ANALISIS KUALITAS SPERMA HEWAN UJI: METODE PENGHITUNGAN BILANGAN SPERMA EPIDIDIMIS TIKUS Muhammad Ja’far Luthfi
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 1 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1042

Abstract

Sperm sample from epididimal source can be determined its sperm number using minimal amount of equipment. These method will aid researcher and practitioner in sperm number analysis in the field of male animal reproduction accurately.
APLIKASI INVERS SEMU (PSEUDOINVERSE) DENGAN METODE GREVILLE’S PADA ANALISIS REGRESI LINEAR BERGANDA Muhtar Safi’i; Khurul Wardati; Mohammad Farhan Qudratullah
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 1 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1043

Abstract

Concept of matrix inverse is limited to ???? × ???? singular matrix. Matrix with ???? × ???? or ???? × ???? a singular concept of inverse matrix solved with pseudoinvers. Pseudoinverse ???? symbol is a matrix ???? of any matrix ???? that meet the 4 traits, namely: ???????????? = ????, ???????????? = ????, ???????? = ????????, (????????)∗ = ????????, where ( )∗ is the conjugate transpose notation. One of method to find pseudoinverse is Greville's method. A Greville’s method is finite iterating method that uses  matrix partitions. The amount of iterations this method until ???? columns of the matrix inverse to search all pseudoinverse. This research will discuss the application and the properties of the estimators of regression coefficients in the multiple linear regression.
PENGENDALIAN PERSEDIAAN MENGGUNAKAN SIMULASI BERBASIS SPREADSHEET (Studi Kasus: Jaringan Toko Sepatu Olahraga) Syaeful Arief; Taufiq Aji
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 1 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1044

Abstract

A sports shoe store retail business whose sales are closely related to the ongoing trend when it. On the other hand, intense market competition and meet the market's appetite to add complexity and uncertainty that led to inventory planning are probabilistic. Demand variability, lead time is uncertain, and suppliers who require the purchase of serially into the challenges faced by retail sports shoes. To make decisions in situations such supplies can be used simulation approach. This study presents a spreadsheet-based simulation approach to resolve montecarlo inventory decisions. Spreadsheet application aids chosen because commonly used in a variety of companies. Simulation model was built by using Visual Basic for Application to perform computational mode. Simulation aims to (1) determine the time and the number of reservations that a minimum total inventory cost, (2) to decrease inventory costs against corporation existing condition. Computational results are executed to achieve steady state is able to provide a reduction in total inventory costs significantly.
PEMBUKTIAN AUTOMORFISMA PADA GELANGGANG POLINOM MIRING UNTUK PEMBENTUKAN GELANGGANG POLINOM MIRING BERSUSUN Amir Kamal Amir
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 1 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1045

Abstract

Let R be any ring with identity 1, ????1 be an endomorphism of R and ???? derivation. The skew polynomial  ring over R in an indeterminate ???? 1, denoted by ????[????],  is the set of polynomials ???????? ????1 ???? + ???? ???? −1 ???? 1 ???? −1 + ⋯ + ???? 0  where ???? ∈ ????  with multiplication rule ???? 1 ???? = ???? 1 ???? ???? 1 + ????1 ???? (????)   for all ???? ∈ ????.  In this paper, it will be proved an automorphism ???? on the skew polynomial ring ????[???? 1 ; ???? 1 , ???? ],  such that with that automorphism we can construct a iterated skew polynomial ring  with variabel ????1 and ????2, i.e., ????[????1;????1;????1][????2;????2].
FABRIKASI FERROGEL BERBAHAN DASAR NANOPARTIKEL MAGNETIT (Fe3O4) DARI HASIL SINTESIS PASIR BESI PANTAI UTARA JAWA DAN SIFAT Retno Rahmawati; Nita Handayani
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 1 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1046

Abstract

Iron sand is one of natural materials that has been widely explored and so far is  only used  as building materials. This research provides solutions to increase the economic values of iron sand, by preparing ferrogel from iron sand. The purpose of this research is to prepare Fe3O4 nanoparticles-based-ferrogel from synthetic Fe3O4  prepared from iron sand. The iron sand was obtained from north coast of Central Java. The preparation of synthetic Fe3O4 produced nanoparticles having a size of 82,42 – 110,9 nm. The characterization using XRD indicated that Fe2O4 content in the iron sand was 30%, and increased to 76% in the synthetic materials. In addition, the synthetic materials has additional phase of Al0.95 Ga0.05. The ferrogel was prepared by mixing the synthetic materials with PVA (Polyphinyl alcohol). The ferrogel was characterized for its magnetoelasticity properties so that it can be used for artificial muscles. The results of magneto- elasticity ferrogel characterization showed that the higher the concentration of Fe3O4 filler in PVA matrix, the higher the deviation and elongation. However,  the impurity of Al0.95 Ga0.05 in the ferrogel seemed to cause its magnetoelasticity to be less than optimum.
RANCANG BANGUN SISTEM PEMANGGIL DARURAT PADA SITUASI PERAMPOKAN BERBASIS ANDROID Yusuf Mufti; Nurochman Nurochman
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 1 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1047

Abstract

In 2012, media quite often proclaim the existence of a robbery in the various regions of the Special Region of Yogyakarta (DIY). The robberies were reported in about 222 of criminal reports until the end of November 2012 and 39 cases occured especially in bussiness offices. In robbery situation, the victims will panic commonly and may be under a pressure so they are difficult to ask for help using normal communication. The system was built to help the victims to request assistance through their Android devices immediately. The system is capable of transmitting data into server at the police station through internet and send SMS to police’s cellular phone by pressing a shortcut. The system works by utilizing the GPS signal. The system has been tested by a number of respondents with good results.
ISOLASI DAN IDENTIFIKASI SENYAWA ANTIOKSIDAN DARI BATANG PAKIS (ALSOPHILA GLAUCA J.SM) DENGAN METODE DPPH (2,2-DIFENIL-1- PIKRILHIDRAZIL) Sri Wahdaningsih; Subagus Wahyuono; Erna Prawita Setyowati
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 1 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1048

Abstract

Oxidative stress induced by the radicals have been known to affect the occurrence of various degenerative disease. As the search for natural antioxidant compounds had been studied the isolation and identification of antioxidant compounds in fern stems (Alsophila glauca J.Sm) using DPPH method (1,1-diphenyl 2-picrylhydrazyl). Fern stem extraction was done by maceration with wasbenzen and metanol. Extracts was obtained by evaporating the wasbenzen solvent with a rotavapor. Material was re-macerated with methanol after all wasbenzen evaporation. The same way was done on  wasbenzen to obtain the metanol extract. These extracts were tested for antioxidant activity using DPPH method with TLC. Active extract was partitioned in 80% methanol. Extracts both soluble and insoluble in methanol 80% were tested their antioxidant activity using DPPH method (TLC). Active extract was fractionated in vacuum liquid chromatography using a mobile phase with different polarity gradient and different concentrations (wasbenzen:chloroform). Active  fraction  was  isolated  by  preparative TLC method and purity of compounds obtained was tested by TLC. Antioxidant activity of isolates obtained were tested by DPPH method using spectrophotometry. Compounds known to had antioxidant activity as radical catcher with IC50 178.4 µg/ml.
IDENTIFIKASI KARAKTERISTIK KAPASITANSI DAGING AYAM TIREN DAN DAGING AYAM NORMAL Frida Agung Rakhmadi; Widayanti Widayanti; Anggara Wahyu Atmaja; Astika Rusma Dewi
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 2 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1049

Abstract

Identification of tiren chicken and normal chicken capacitance characteristic was done to know the characteristic of both of them based on their capacitance and to know  whether the characteristic is different or same from both of them. The observed chicken components were chest, drumstick, tepong of broiler chicken. The measurement of capacitance was done using LCR meter, with adding the parallel plate apparatus. The result of research shown that the tiren chicken capacitance is higher than   the normal chicken. The average capacitance of chest, drumstick, and tepong of tiren chicken are (2,20 ± 0,08) pF, (2,20 ± 0,09) pF, dan (2,00 ± 0,02) pF, while the average capacitance of chest, drumstick, and tepong of normal chicken are (1,10 ± 0,07) pF, (1,10 ± 0,08) pF, dan (1,10 ± 0,03) pF. Its  differentiation was supported by t-test result.
SIMULASI PENENTUAN SUDUT ARAH KIBLAT DENGAN METODE SEGITIGA BOLA MENGGUNAKAN BAHASA PEMROGRAMAN GUI MATLAB R2009 Asih Melati; Dwi Rohayati; Tatik Juwariyah
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 2 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1050

Abstract

This reseach is about qibla location measurement using analytical mathematics of spherical trigonometry. The  analytical mathematics of spherical trigonometry is simulated using mathematics software. In This research using MATLAB R2009 mathematics software. Since this software user easily to use by newbie user, the language of this software simulated in GUI MATLAB R2009 programmer language. This programmer language make interactif learning between the user and the program. The important input parameter of this software are coordinat location of area then the user can measument angle magnitude qibla location convenient with coordinat location.
IDENTIFIKASI MODEL MENTAL SISWA SMA KELAS X PADA MATERI HUKUM NEWTON TENTANG GERAK Susanti Rahayu; Joko Purwanto
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 2 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1051

Abstract

This study are aimed to identificate student’s mental models of Newton’s Law of Motion and its factors that possed for X grade at State Senior High School 5 Yogyakarta. This study measured up by Newton II Law. This is a descriptive research. The population of this research are students of X grade at State Senior High School 5 Yogyakarta, 243 students. This sample selected 101 students by purposive sampling technique. This study used test and non-test methods. Two tier multiple choice diagnostic test used to find coceptual understanding (step I) and identificate the student’s mental models (step II). The questionnaire used to identificate the factors that possed the student’s mental models. In addition, interview holded for confirm the student’s answers. The results found that students have three determined mental models. The students have  Newtonian  model  with  18%,  the  most  student  used  Hybrid  model  with  24%,Ariestotelian  model  with  11%  and  another  model  with  47%.  Student’s  mental  models influenced by experiment with 10%, student even see the same case 6% and 30% is learning from physics book. There are 54% of  student’s mental models influenced by another factor, such as logical resoaning ang teacher’s explanation.

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