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Widyariset
Published by Pusbindiklat Peneliti LIPI
ISSN : -     EISSN : 24610976     DOI : 10.14203
Core Subject : Science, Engineering,
Aerospace Engineering Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics
Widyariset is a scientific journal which publishes the results of research and development, assessment, and systematic thinking about Natural Science.
Arjuna Subject : Umum - Umum
Articles 476 Documents
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Kumpulan Abstrak Bahasa Inggris abstrak inggris
Widyariset Vol 18, No 2 (2015): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.18.2.2015.xiii-xviii

Abstract

Policy Implementation of Researchers in Indonesia Betty Riyadini
Widyariset Vol 16, No 1 (2013): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.16.1.2013.189-200

Abstract

The development of science and technology can dynamically be a turning point for government research and development (R & D) organizations in a country. A weakness in one aspect, content or implementation of R&D policy, will determine how the researcher’s capability to perform well in order to answer the dynamic development of the world. Assuming that the state has given the best policy wherever possible to optimize the role of researchers in the workforce, then the question is how the policy is implemented. Based on this reason, it is become important for making a study on the policy implementation of researchers in Indonesian. Through this study, the author try to capture the description of policy implementation of researchers at 17 government agencies in 2012. The evaluation study using the model of Stake’s Countenance. This model produces 12 aspects and 30 sub aspects. The data was collected through observations, interviews, document analysis, and questionnaires. The results showed that 5 aspects in high category, 5 in medium category, and 2 in low category. On the sub-aspects, 16 is high, 8 were moderate, and 6 is low. Lowest aspects are the development of science and scientific awards.
A CORRELATION STUDY BETWEEN STUDENTS' FIRST IMPRESSION TOWARD ENGLISH LESSON AND THEIR ACHIVEMENTS AT SEMARANG MERCHANT MARINE POLITECHNIC Vega F. Andromeda
Widyariset Vol 12, No 3 (2009): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.12.3.2009.95-102

Abstract

Kesan pertama pada umumnya akan memengaruhi hasrat dan minat seseorang tentang suatu hal. Kesan pertama seseorang pada sesuatu tersebut juga akan sulit untuk dilupakan. Pemahaman tersebut menjadi hal yang umum yang akan penulis teliti, terutama dalam pengajaran bahasa Inggris di dunia pendidikan, khususnya di Politeknik Ihnu Pelayaran Semarang. Tujuan dari karya tulis ilmiah ini adalah untuk mengetahui adakah hubungan yang signifikan antara kesan pertama siswa terhadap bahasa Inggris yang turnbuh dari guru mereka dengan prestasi pelajaran bahasa Inggris mereka. Metode pengumpulan data yang digunakan adalah dengan menggunakan angket dan dokumen. Setelah menganalisis kedua instrurnen tersebut, penulis menemukan data rata-rata nilai angket adalah 68.85 dan rata-rata nilai prestasi siswa sama dengan 65.42. Kemudian penulis memasukkan data tersebut pada product mement formula dengan hasil 0.192 di bawah nilai tabel r 0.297 dan 0.384 yang berarti bahwa hipotesis nol (Ho) diterima, sedangkan alternatif hipotesis ditolak. Dengan kata lain, "Tidak ada hubungan yang signifikan antara kesan pertama siswa terhadap bahasa Inggris yang tumbuh dari guru dengan prestasi mereka.        
QUANTITATIVE ANALYSIS AND LIGNIN HISTOCHEMICAL ASSAY OF SENGON (Paraserianthes falcataria) N. Sri Hartati; Enny Sudarmonowati; Suharso Suharso; Kurnia Sofyan
Widyariset Vol 14, No 3 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.14.3.2011.525-534

Abstract

The presence of lignin in plant cells is a factor limiting the effi ciency of processing lignocellulosic materials of wood-based industries including pulp and paper industry either chemically or biologically (biopulping) process using white rot fungi. Lignin content determination of sengon collected from different areas in Indonesia indicated that it ranged low to moderate category (16.58–35.59%). Lignin histochemical assay of transverse section of stems using phloroglucinol-HCl staining showed that the initiation of lignin deposition was noted in 2 weeks old seedling. Lignin quantitative and qualitative assessment through histochemical assay showed that lignin content was varied in trees depending on height
ADAPTIVE THERMAL COMFORT ON SAO PU’U TRADITIONAL HOUSE IN WOGO VILLAGE, EAST NUSA TENGGARA I Ketut Suwantara; Rini Nugrahaeni; Iwan Suprijanto
Widyariset Vol 15, No 2 (2012): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.15.2.2012.425–436

Abstract

Indonesia has two seasons, rainy and dry season which affects the adaptive behavior of the occupants. One of the traditional houses that still survive is a traditional house Sao Pu’u in Wogo village, East Nusa Tenggara. The research was conducted to compare of neutrality, preferences, and thermal acceptance of the occupants in the house between rainy and dry season. Thermal value was measured with Questem 34 and wind velocity measured with Anemometre Kanomax. The data were processed using regression analysis. In the rainy season, neutral temperature, 27.1oC, 23.9°C,and 23.3°C. Meanwhile, in the dry season, neutral temperature, preference temperature, and thermal acceptance were 24,9oC, 23.4°C, and 27.1oC. The conclusion was that the occupants prefer a lower temperature adaptively both in rainy and dry season.
PEMODELAN SENYAWA PHALERIN BERTANDA 125I UNTUK UJI ANTIRADANG Wening Lestari; A Mutalib
Widyariset Vol 12, No 1 (2009): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.12.1.2009.127-132

Abstract

A model of 125I-phalerin was designed in this research. The work was started by designing phalerin based on available data and followed by minimizing energy at bond angles, i.e C4-05-C7-C8 (0 ) , C5-C7-C8-C9 (2),C3-014-C15-C20 (3) and C4-C3-014-C15 (4).This work was then continued with designing of 115l -phalerin. Both models were put in overlaid position, then they were characterized. Result showed that phalerin model has characteristic of bond angle with 1 z 3, 4= 40°, 40°, 320°, 280° respectively. Energy ofphalerin model was 18,7625 kkal/mol. "51-phalern has similarity conformation with phalerin and the RMS for bond length, bond angle 0.0091 a and 0.5039° respectively.  
MATERNAL ROLE OF FAMILY RELATIONSHIPS WITH CREATIVITY IN PRE SCHOOL AGE CHILDREN IN SINAR MULYA KINDERGARTEN AT BANDA ACEH CITY IN 2010 Fahmi Ichwansyah; Dewi Ariani
Widyariset Vol 14, No 1 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.14.1.2011.241-246

Abstract

Creativity is innate, whose truth value could only be realized if it is nurtured since early age. The important factors to enhance children’s creativity are attention and time. Many mothers have not understood their needed roles to increase children’s creativity. Therefore, further research is needed to know the role of mother as educator, caregiver, protector and its relation to the creativity of preschool age children. This research was done on Sinar Mulia kindergarten at Banda Aceh. Research design was using cross sectional study with a total sample of 50 mothers of Sinar Mulia kindergarten students. Data collection was done using a questionnaire. Then Chi-squaretest was used with α (0.05). Analysis result shows mother’s role in relation to children’s creativity as follows: mother’s role as educators with p-value = 0.005 <0.05, mother’s role as caregiver with p-value = 0.005 <0.05, mother’s role as protector with p-value = 0.001 <0.05. Combined analysis result of mother’s role, shows p-value = 0.020 <0.05. In conclusion there is a relationship between mother’s role as educator, caregiver and protector with pre-school age children creativity at Sinar Mulia kindergarten at Banda Aceh city.
MEASURING THE SATISFACTION LEVEL OF INDONESIAN INSTITUTE OF SCIENCE IN RESEARCHER CANDIDATE TRAINING Sofyan Yamin
Widyariset Vol 15, No 1 (2012): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.15.1.2012.163–174

Abstract

This study aims to measure the satisfaction level of researcher candidate training participants. it will testwhether the variabels of perceived service quality, expectation, perceived value and LIPI’s image affect the participantssatisfaction. The model analysis refers to ECSI model (European Customer Satisfaction Indeks) adjustedto the approach of partial least squares path modelling. The result shows that there are only two variabels whichaffect significantly to participants satisfaction, namely the perceived service quality and perceived value. Theoverall of participants satisfaction level to the training is at 74.74%, which is considered “satisfied”.
LOCAL MATERIAL TESTING FOR PAVEMENT MATERIAL ON REMOTE AND OUTMOST ISLAND Iwan Susanto; Nono Nono
Widyariset Vol 4, No 1 (2018): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.4.1.2018.61-74

Abstract

Road infrastructure development in remote and outmost islands such as Mentawai, Aru, and Morotai faced a problem i.e. dificulty in the availability of standard material. The standard material had to be transported from other areas that taking a long time and high cost of transportation. In fact, the three islands had abundant materials. However, there was no study conducted to examine the properties of the local material. The study aim was to find out the physical properties of pavement material that will be the basis of pavement design. The research began with the selection of material, discussion with experts, coordination with involved parties, site observation, and laboratory test. The analysis of testing result used comparative analysis that compared test result to certain standard. Based on the analysis, local material from Mentawai Islands was suitable for foundation layer with cement stabilization 6%. Coral from Aru Island and limestone from Momojiu Morotai Island could also be utilized for foundation layer. Limestone from Rau Morotai Island utilized for aspalt mixture. Sand from Aru Island and sea sand from Morotai Island could be used for aspalt mixture and concrete cement mixture.
PENGARUH SUMBER KARBON DAN AERASI TERHADAP AKTIVITAS DENITRIFIKASI ISOLAT BAKTERI ASLT2 Lena Novita
Widyariset Vol 13, No 2 (2010): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.13.2.2010.57-62

Abstract

Nitrate is considered as a pollutant in freshwater or estuarine ecosystem which caused eutrofication. Bacteria can be used to reduce nitrate by denitrification process. The aim of this research was to find out the influence of carbon sources and aeration on denitrification of isolated ASLT2 bacteria. The sources of carbon were acetate, succinate, glucose and glycerol under aerob and anaerob conditions. The denitrification process was measuredat seventh day. Isolated ASLT2 bacteria was able to reduce nitrate aerobically and anaerobically in various of carbon sources. The highest activity of aerobic nitrate reduction was found by using acetate as carbon source and anaerobically was found by using succinate as carbon source.

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