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INDONESIA
Jurnal Matematika Sains dan Teknologi
Published by Universitas Terbuka
ISSN : 14111934     EISSN : 24429147     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Mathematics Other
Merupakan media informasi dan komunikasi para praktisi, peneliti, dan akademisi yang berkecimpung dan menaruh minat serta perhatian pada pengembangan Matematika, ilmu pengetahuan dan teknologi. Diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Terbuka.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol. 5 No. 2 (2004)" : 5 Documents clear
HUBUNGAN ANTARA PENGGUNAAN AIR BERSIH DAN TINDAKAN PENCEGAHAN DIARE DENGAN DIARE PADA BALITA DI KELURAHAN KEBON BAWANG TANJUNG PRIOK Gusti Nurdin
Jurnal Matematika Sains dan Teknologi Vol. 5 No. 2 (2004)
Publisher : LPPM Universitas Terbuka

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Abstract

This research was made for knowing if there’s of the use of relation between The Use of Fresh Water and The Prevention of Diare Treatment Disease With Diare of babies and children (Balita) in sub district Kebon Bawang of Tanjung Priok. This research use descriptive method and correlation approach conducted of many mothers in sub district of Tanjung Priok Jakarta Utara with 13.687 people of research population 162 samples of people or 1,2 % of population taken with purposive random sampling technique. The results of the first hypothesis showed that there is a positive relation and significant between The Use of Fresh Water with Diare on babies and children in sub district of Tanjung Priok with truth of examination. The result of the second hypothesis showed there is a positive relation and significant between The Prevention of Diare Treatment Disease with Diare on babies and children (Balita) in sub district of Tanjung Priok with truth of examination. The result of third hypothesis showed that there is a positive relation and significant between The Use of Fresh Water and The Prevention of Diare Treatment Disease with Diare a long with the babies and children (Balita) in sub district of Tanjung Priok with the truth of examination. The conclusion of this research is the positive relation and significant between The Use of Fresh Water with Diare of babies and children (Balita), between The Prevention of Diare Treatment Disease and between The Use of Fresh Water and The Prevention of Diare Treatment Disease with Diare a long with the babies and children (Balita) in sub district of Tanjung Priok North Jakarta.
KAJIAN SIFAT FISIK, KIMIA DAN FISIOLOGI TERHADAP BEBERAPA TINGKAT KEMATANGAN BUAH RAMBUTAN VARIETAS SI MACAN DI KABUPATEN GUNUNG KIDUL YOGYAKARTA Siti Nurhayati
Jurnal Matematika Sains dan Teknologi Vol. 5 No. 2 (2004)
Publisher : LPPM Universitas Terbuka

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Abstract

The aim of this research was to determine theee effect of physical, chemical and physiological characteristic of several stages maturity of rambutan cultivar Simacan in Wonosari, Gunung Kidul, Yogyakarta. This experimental research was conducted from March to May 2004 used a single factorial Randomized Complete Design (RCD), consisted of six levels, i.e.: A (Rambutan fruit with red stages of maturity), B (Rambutan fruit with yellowness red stages of maturity), C (Rambutan fruit with yellow stages of maturity), D (Rambutan fruit with greennes yellow stages of maturity), E (Rambutan fruit with green stages of maturity). The treatment was done in three replications. The research result showed that (i) According to the physical characteristics (weight of whole fruit, fruit flesh and flesh thickness), rambutan in red stages of maturity (84,340%), the highest sugar content was in the red stages of maturity (86,20%), the highest vitamin C content was in the red stages of maturity (29,151%) and the highest total solution soluble was in the yellow stages of maturity (15,104%) (iii). According to the physiological characteristics, the highest respiration rate was in the greenness yellow fruits stage of maturity ( 0,0495%). Based on the research, it is better for farmers to harvest rambutan Simacan once they are in red stage. In this stage the rambutan will have its highest sugar, and vitamin C contents.
KARAKTERISASI RASA GURIH PADA BEBERAPA PRODUK PANGAN (Characterisation of ‘Gurih’ Taste of Several Food Products) Lula Nadia; Anton Apriyantono; Winiati Puji Rahayu
Jurnal Matematika Sains dan Teknologi Vol. 5 No. 2 (2004)
Publisher : LPPM Universitas Terbuka

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Abstract

The aim of this research was to find the sensory characteristic of ‘gurih’ taste of some food models. Several steps were used to determine: (1) People perception of ‘gurih’, (2) Food ingredients which influence ‘gurih’ taste intensity, and (3) The difference between ‘gurih’ and umami taste. From 1500, 908 questionnaires were returned with complete answer by the participants. Meat, peanut and cheese were chosen as being ‘gurih’ food by 97% of participants. They also perceived that ‘gurih’ taste present in food actually by the contribution of several food ingredients mainly protein, fat, and salt. Use of oil was preferred by 100% of the participants as a type of cooking which could build ‘gurih’ taste in food. Based on participants choice of ‘gurih’ food, meat, peanut and cheese were used as food models. Meat model was made by using hydrolyzed vegetable protein (HVP), chicken fat, and chicken flavor (22.0 : 6.2 : 0.5), peanut model was made by using HVP, peanut oil, corn starch, and carboxy methyl cellulose (27.5 : 42.5 : 20.0 : 2.8); and cheese model was made by using skim milk, milk fat, salt, and cheese flavor (27.5 : 18.0 : 3.2 : 0.5). Using Omission Test for each compound of food model ingredient and t-test to compare the ‘gurih’ level of meat or peanut model, it was found that omitting HVP, salt and chicken fat or peanut oil gave significant lower level of ‘gurih’ of the models than the complete one (p < 0.01). The same result was also found in cheese model, where omitting skim milk, milk fat or salt gave significant lower level of ‘gurih’ of the model than the complete one. It was also found that the omission of protein-rich ingredient (HVP or skim milk) and salt gave significantly lower level of ‘gurih’ taste than the omission of chicken fat, milk fat or peanut oil (p < 0.01). Using the concentration which give 10% stimulus, the intensity of ‘gurih’ taste of food models (0.5% w/v for meat, 0.1% w/v for peanut, and 1% w/v for cheese) was significantly higher than umamis’ models (0.06% w/v for MSG, 0.03 : 0.17 w/v for MSG + salt, 0.03 : 0.17 : 0.11 w/v) (p < 0.01) and was the same with umamis’ models MSG + salt + oil or fat. This finding indicates that the addition of fat was importance to make ‘gurih’ taste to the both model. Meanwhile, there were no research was found that tells the influence of fat on umami taste. In conclusion, ‘gurih’ taste could be found mainly in meat, peanut, and cheese. ‘Gurih’ taste intensity was influenced by several food ingredients. The presence of ‘gurih’ taste was easy to be recognized in food models and the addition of fat in the model make ‘gurih’ taste probably has different taste from umami.
PENGARUH TEGAKAN AKASIA (ACACIA NILOTICA) (L.) WILLD. EX. DEL. TERHADAP KOMPOSISI DAN KEANEKARAGAMAN TUMBUHAN BAWAH DI SAVANA BALANAN TAMAN NASIONAL BALURAN JAWA TIMUR Djufri
Jurnal Matematika Sains dan Teknologi Vol. 5 No. 2 (2004)
Publisher : LPPM Universitas Terbuka

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Abstract

The research was done in Baluran National Park, Banyuwangi East Java in April to June 2004. The objectives of this research were : to determine of species composition, importance value of species, diversity index and evenness index, similarity index, distribution pattern of species, and species association. This research used the quadrat method. The determination of the species distribution was calculated using Poisson distribution formula and the determination of association was calculated using contingency table. The results of this research indicated that, there were 20 species of the plant belong to 8 familiy. The importance value was between 0,42-59,54, and species with high importance value is Oplismenus burmanii, Axonopus compressus, and Synedrella nudiflora. The diversity index was between 1,3329-2,5271, and evenness index was between 1,5364-1,9848. The distribution pattern of species indicated that 12 species were clumped, 6 species were reguler and 2 species were at random. The multi-plants tend to have a clumped distribution pattern, and single plant tend to have a reguler or random distribution pattern. The of association indicated that 2 species association which the highest tindex.
PERHITUNGAN TAMPANG LINTANG DIFERENSIAL HAMBURAN ELASTIK ELEKTRON-ARGON PADA 10,4 EV DENGAN ANALISIS GELOMBANG PARSIAL Settings Paken Pandiangan; Suhartono
Jurnal Matematika Sains dan Teknologi Vol. 5 No. 2 (2004)
Publisher : LPPM Universitas Terbuka

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Abstract

It has been calculated theoretically using the partial wave methods for the elastic scattering differential cross-section of electron-argon at 10.4 eV. The wave function from Schrodinger equation was computed by the Numerov integration methods. For simplicity of scattering system , the Gaussian potential form has been employed. For comparison between theoretical and experimental approach then we used the test. The for this research is 2.386 that shows this calculation is good.

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