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Jurnal Pengajaran MIPA
Published by Universitas Pendidikan Indonesia
ISSN : 14120917     EISSN : 24433616     DOI : -
Core Subject :
Journal of Mathematics and Science Teaching or Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam (JPMIPA) was founded in 1993 and published qualitative and or quantitative research concerning mathematics and science teaching. JPMIPA is published by Faculty of Mathematics and Science Education Universitas Pendidikan Indonesia (FPMIPA-UPI) in association with Indonesian Society for Science Educators (JPII), twice a year in April and October with 16 articles per number or 32 articles per year.
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Articles 7 Documents
 1 
Search results for , issue "Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002" : 7 Documents clear
FPM PADA KELUARGA EKSPONENSIAL BENTUK KONONIK Puspita, Entit
Jurnal Pengajaran MIPA Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v3i1.34973

Abstract

We can determine the distribution of the random variable by considering its moment generating function (MGF). Unfortunately there are some distribution which have no MGF. This kind of the problem cann’t occur on an exponential family, because the comunic form of the family always can be determined its MGF.
PENGARUH 6-BENZILAMINOPURIN (BAP) TERHADAP PEMBENTUKAN LAPISAN PEMISAH (ZONA ABSISI) PADA TANGKAI KUNTUM BUNGA KACANG HIJAU, VIGNA RADIATA (L.) Wilczek VARITAS WALET Kusdianti, Kusdianti; Wardini, Trimurti H
Jurnal Pengajaran MIPA Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v3i1.34967

Abstract

The effect of 6-benzylaminopurine (BAP) on separation layer formation of mungbean Vigna radiata (L.) Wilczek var. walet was carried out. The objective was to know the effect of BAP on separation layer formation. The experiment was done by spraying the first inflorescent with 8 x 10-4 M BAP three days before and three days after the fifth flower was anthesis.  Samples of flower pedicellus were taken three days before dan three days after fifth flower was bloom. Then they were  fixed and processed for anatomical observation by preparing histological slides accoding to O’Brien and Horner (1981). The result show that in control plant, two days before the fifth flower started to anthesis, cells of the abscission zone started to be activated to form separation layer. It was initiated by cell division within the adaxial edge and progressing inward across the cortex to the vascular strands. Abscission layer was completed at the time or a day after the fifth flower was anthesis. No histological changes observed in with 8 x 10-4 M BAP treated plant. No abscission layer were recorded for the pedicels treated plant during the course of the experiment.
APLIKASI MATRIKS HANKEL PADA PERHITUNGAN RESULTAN DUA POLINOMIAL Rosnawati, R
Jurnal Pengajaran MIPA Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v3i1.34974

Abstract

Let F be a field,  f and g in F[x], with degre f is n and degre g is m. Computing resultant two polynomials  with Hankel matrics give a size of matrics less than Sylvester method, that is maximum n or m.
MENENTUKAN BESAR MEDAN LISTRIK RADIAL PADA BERBAGAI JENIS KONDUKTOR YANG DIALIRI ARUS LISTRIK TETAP Suhandi, Andi; Rusdiana, Dadi; Kaniawati, Ida; Mudjiarto, R
Jurnal Pengajaran MIPA Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v3i1.34968

Abstract

A typical example in courses on electricity and magnetism is that of a conductor carrying a steady current. It is said that the electric field inside the conductor is parallel to the current and that there is no transverse (radial) component of the field. While this is reasonable assumption justified for pedagogical purposes, it is not rigorously true. In this paper, the transverse electrical field is calculated as being different from zero, but negligible from an experimental point of view. For various conductors, the transverse electrical field is a polynomial function from steady current.
Pengaruh Sumber Nitrogen yang Berbeda dalam Medium Murashige dan Skoog (MS, 1962) terhadap Produksi Senesionin pada Kultur “Compact Globular Structure” Crotalaria anagyroides H.B.K Surakusumah, Wahyu
Jurnal Pengajaran MIPA Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v3i1.34910

Abstract

An Experiment on the effect of different nitrogen source in Murashige and Skoog media (MS, 1962) on  senesionin production of compact globular structure of Crotalaria anagyroides has been performed.  CGS culture was obtained from callus culture on liquid MS media with 5.10-5 M NAA and 10-6 M kinetin. The CGS  was transfered into media with different nitrogen source: MS A (amonium+nitrat), MS B (nitrat) and MS C (amonium).  Qualitatif data showed that senesionin could be detected in the CGS exstract by appearence of spot (Rf=0,78). The quantitative data showed that MS C was the best media to produce 4623 mg/DW senesionin  on 30th day.
PENGGUNAAN MEDIA KOMPUTER DALAM PERKULIAHAN MEKANIKA BERDASARKAN MODEL PEMBELAJARAN PEMECAHAN MASALAH BERBASIS KONSEP Padri, I Made
Jurnal Pengajaran MIPA Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v3i1.34970

Abstract

This paper is the result of tried out of innovation in Mechanics course with problem solving teaching-learning model based on concept by using computer, conducted in DUE Like project at Physics Department of FPMIPA UPI in academic year 2002/2003.In principle, the objective of this innovation is to improve the student role (student centred) in attending Mechanics course, which in turn will improve the quality of the student learning result.Concretely, the main point of the implementation of this learning model in Mechanics course includes:Group discussion in finding and solving problem, based on problem and concept structure that presented in handout.Presentation the result of group discussion to get comments from all students.Strengthening and completing  the discussion result by lecturer using computer media.Tutorial to guide students in finishing some problems taken from textbook.Derived from the average score and the percent of the success student in each examination, it can be concluded that the usage of problem solving teaching- learning model based on concept by using computer media, significantly can improve the student learning result, compared to the result of the same course when it is just using OHP. While from the answer of the questioner which just returned by 50% students, generally stated that the teaching-learning model and the media used in Mechanics lecture are good enough, even though there is an impression that the students found difficulty in learning alone which based on textbook and handout. It happened, may be, because of the previous learning style which is teacher-centred.
KAJIAN PROSES EKSTRAKSI ION LOGAM Cu(II) DAN Co(II) DENGAN EKSTRAKTAN 1-fenil-3-metil-4-stearoilpirazol-5-on (HPMSP) (STUDY ON THE EXTRACTION OF Cu(II) AND Co(II) WITH 1-phenyl-3-methyl-4-stearoylpyrazol-5-one (HPMSP) Kusrijadi, Ali; Sonjaya, Yaya; Sunarya, Yayan
Jurnal Pengajaran MIPA Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v3i1.34971

Abstract

The extraction of Cu(II) and Co(II) with 1-phenyl-3-methyl-4-stearoylpyrazol-5-one (HPMSP) as the chelating ligand  using chloroform solvent have been studied. The extraction mechanism of Cu(II) and Co(II) and the composition of extracted species has been determined. Cu(II) and Co(II) was extracted as Cu(PMSP)2 and Co(PMSP)2. The effect of concentration HPMSP and pH has also been investigated.

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