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Sainteks
Published by Universitas Muhammadiyah Purwokerto
ISSN : 08521468     EISSN : 26860546     DOI : https://doi.org/10.30595/sainteks
Core Subject : Health, Science, Engineering,
Computer Science & IT Mechanical Engineering Medicine & Pharmacology
Sainteks adalah jurnal yang menyajikan artikel hasil pemikiran dan penelitian di bidang sains dan teknologi. Sainteks merupakan jurnal peer reviewed dan open access. Sainteks diterbitkan oleh Lembaga Penelitian dan Pengabdian Masyarakat Universitas Muhammadiyah Purwokerto. Sainteks mengundang para peneliti, dosen, dan praktisi di seluruh dunia untuk bertukar dan memajukan keilmuan di sains dan teknologi. Dokumen yang dikirim harus dalam format Ms. Word dan ditulis sesuai dengan panduan. Sainteks terbit 2 kali dalam setahun pada bulan Maret dan Oktober. Namun mulai tahun 2019 Sainteks terbit di bulan April dan Oktober.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 7 Documents
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Search results for , issue "Vol 7, No 2 (2010): SAINTEKS" : 7 Documents clear
HUBUNGAN ANTARA UNDERPRICING DENGAN NILAI SEASONED EQUITY OFFERING (SEO) PERTAMA PERUSAHAAN-PERUSAHAAN GO PUBLIC DI BURSA EFEK INDONESIA Hermin Endratno
Sainteks Vol 7, No 2 (2010): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v7i2.318

Abstract

This research aims at knowing the positive average abnormal return and the relationship of the underpricing and the value of the first Seasoned Equity Offering (SEO) towards go public-companies in Indonesia Stock Exchange during three-day-trade after the first emission of underpricing. The data consisted of 12 (twelve) go public-companies in Indonesia Stock Exchange since 1995 and have done their first SEO in 2007. The analysis of data was conducted through test and correlation using Pearson Product Moment statistic model. After the first three days of Initial Public Offering (IPO), the abnormal return was negative. It was shown by the average abnormal return of the first day approximately -0.0088, of the second day -0.0041, and of the third day -0.076. The positive abnormal return, based on the statistic analysis, was insignificantly found either within three-day-trade in the first emission of the underpricing. The insignificant result also occurred to the relationship of the underpricing and the value of the first SEO after the correlation analysis was done. These findings have significant implications for the investors to consider the changes of share prices after the first SEO. It also appears that the factors of underpricing and negative abnormal return should be observed by the emitens to minimize the risks after the IPO. Key words: Underpricing, Seasoned Equity Offering, emission
AKLIMATISASI ANGGREK DENDROBIUM Aman Suyadi; Anis Shofiyani
Sainteks Vol 7, No 2 (2010): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v7i2.323

Abstract

This project shows how Dendrobium orchid acclimatization training can develop the skill of the orchid traders of Baturaden district on acclimatization technology, increase the income, and decrease the number of unemployment. The training was conducted towards 10 (ten) participants of PPAB group, and was continued by mentoring and monitoring until they acquired the skill of Dendrobium orchid acclimatization technology. The result proves that (1) the skill of Baturaden orchid traders on acclimatization technology increases, shown by the life percentage of seedling and compote plants that reaches 89.5%; (2) the average income of those traders increases in amount of Rp 4,094,167, or approximately Rp 409,417 per trader; (3) the number of unemployment decreases due to the increasing of employment number in amount of 5 (five) people, consisting of 3 (three) gardeners and 2 (two) florists. This sort of technique was shown to be an effective way of increasing Baturaden orchid traders’ skill on acclimatization technology and their income as well as the number of employment. Key words : Dendrobium orchid, acclimatization, skill
CONCEPTION OF RESOURCE AND SUPPORT NEEDS IN POSTGRADUATE STUDIES Norhasni Zainal Abiddin; Affero Ismail
Sainteks Vol 7, No 2 (2010): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v7i2.319

Abstract

Studi pascasarjana merupakan sebuah proses pengembangan diri mahasiswa dari seorang sarjana melalui bimbingan dan dukungan yang bijaksana dari institusi. Mahasiswa pascasarjana adalah individu-individu dewasa yang sedang menempuh jenjang karir akademik setelah menyeleseikan studi sarjananya. Dewasa ini, jumlah mahasiswa pascasarjana terus meningkat dan menunjukkan kualitas. Mencetak sumberdaya manusia yang baik pada tingkat ini menjadi hal yang sangat penting. Hal ini menegaskan bahwa informasi dan pelayanan yang baik dari universitas dan institusi pendidikan tinggi pada umumnya menjadi sangat penting. Oleh karena itu, pemerintah bekerjasama dengan institusi pendidikan tinggi berupaya keras menarik minat para mahasiswa untuk melanjutkan studi melalui penyediaan kualitas pendidikan yang lebih baik. Akan tetapi, hal ini terkadang tidak sesuai dengan harapan mahasiswa. Para mahasiswa pascasarjana memiliki persepsi berbeda terhadap informasi dan pelayanan yang diberikan. Mereka membutuhkan informasi dan dukungan untuk menyeimbangkan tuntutan lingkungan yang berbeda-beda. Oleh karena itu, tinjauan pustaka berkenaan dengan konsep sumberdaya dan sarana pendukung di studi pascasarjana diharapkan mampu membantu institusi dan para mahasiswa menyuarakan harapan mereka dengan jelas, dan pada akhirnya mampu mengurangi permasalahan dan memfasilitasi proses kreatif studi pascasarjana. Kata kunci : studi pascasarjana, mahasiswa pascasarjana, informasi dan pelayanan, sumberdaya dan kebutuhan pendukung
PERBANDINGAN PERSEPSI PELAJAR TERHADAP PENGGUNAAN LABORATORIUM KOMPUTER YANG BERBEDA PENGATURANNYA Nurizah Salleh; Ahmad Fauzi Mohd Ayub; orhasni Zainal Abiddin
Sainteks Vol 7, No 2 (2010): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v7i2.320

Abstract

One of the important elements in the process of teaching and learning is through the usage of computer labs. This computer lab is normally used by students taking computer-based courses. Almost every faculty in the Higher Education Institutions has their own computer labs for their students’ usage. Therefore, it is important that the lab be designed to fit the purpose of the lab and the students as well. The purpose of this study is to identify the students’ perception towards the computer lab environment, teaching style and the similarity of level of inputs received by the students either in the pair arrangement lab and pod arrangement lab. 115 students were involved in this study. The statistic analysis shows that there are significant differences in the mean of lab environment for pair arrangement lab (t(113) = 2.704, p= .008), mean of teaching style (t(113) = 2.159, p=.033) and mean of similarity of level of inputs received (t(113) = 2.88, p = .005) compared to the pod labs. This study implies that lab computers with different structures does result to an environment of more conducive, lecturers’ teaching style and similarity of level of inputs received. Keyword : pair arrangement lab, pod arrangement lab, computer lab environment, teaching styles, similarity
MENINGKATKAN DAYA TARIK DAN PRESTASI BELAJAR MATEMATIKA SISWA KELAS VII MELALUI HANDS ON ACTIVITIES PADA MATERI BANGUN DATAR DI SMP NEGERI 2 KEMRANJEN, KABUPATEN BANYUMAS Sri Neni
Sainteks Vol 7, No 2 (2010): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v7i2.321

Abstract

The purpose of this study is to show how hands on activities can increase the students’ interest, participations, and achievements in mathematics. A classroom action research through three cycles was used to achieve the purpose. The data was analyzed using triangulation, namely the matrix analysis among the three cycles and spearman and partial-based-statistics of Kendall. This technique was used to show the correlation among the variables of study. The students’ interest in mathematics, based on the analysis, was proved increasing from 40.33% to 43.03%; participations in the subject increasing from 80% to 100%; and achievements increasing from the score of 40.19 to 58.11, or from 4.5 to 5.76, or reaching 73.33%. Statistically, the analysis showed that hands on activities could increase the students’ confidence in mathematics, approximately 95%. The result significantly proves that learning mathematics through hands on activities can increase the student’s interest, activities, and achievements in the subject. Key words: Hands on activities, interest, participations, achievements.
PENGARUH PERBANDINGAN AGREGAT KERIKIL KRISIK (SEMEN 90%-ASP 10%) TERHADAP BERAT JENIS DAN VOLUME RONGGA BETON RINGAN NON PASIR Ristiana Dyah Purwandari
Sainteks Vol 7, No 2 (2010): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v7i2.317

Abstract

This research shows how natural Krisik split-rice hull ash (RHA) can affect the density and the volume of dry concrete or no fines concrete composite to make concrete block. The analysis showed that the physical properties of RHA consisted of water content 6.38%, density 1.23³ gr/cm³, density of saturated dry surface 1.50 gr/cm³, apparent density 1.678 gr/cm³, water absorption capacity 21.27%, silica content (SiO2) 45.36% (amorf structure), and Alumina content (Al2O3) 3.12%. The physical properties of natural aggregate of Logawa river consisted of aggregate gradation of 1 field (525 natural krisik split), water content of natural krisik split 1.83%, specific bulk gravity 2.41%, specific bulk gravity of saturated dry surface 2.46 gr/cm³, specific apparent gravity 2.55gr/cm³, water absorption capacity 2.34%, and abrasion 33.4%. The ratio of concrete composite by natural krisik split was (cement 0.9 – RHA 0.1) varying from 4, 6. 8 and 10, reducing the specific density gravity of no fines concrete. One day-aged-no fines concrete showed equation of polynomial y=-0.0235x² + 0.9291x + 1.764, R² = 0.92; seven day-aged showed y=-0.0051x² + 0.0237x + 1.7505, R²= 0.92; and twenty eight-aged showed y=-0.0006 x² - 0.0411x + 2.0106, R²= 0.9827. But that composite increasing porous volume, the equation of ratio 10:1 showed y=2.3625x² - 9.805x + 207.21, R²= 0.9435 (one day-aged) and y=2.125x² - 8.05x + 199.6, R²= 0.9433 (twenty eight-aged). Key words: Rice Hull Ash, no fines concrete, natural krisik split, density, volume
PELAKSANAAN PERLINDUNGAN HUKUM TERHADAP KONSUMEN PEMAKAIAN LABEL MAKANAN DI PURWOKERTO Ratna Kartikawati
Sainteks Vol 7, No 2 (2010): SAINTEKS
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/sainteks.v7i2.322

Abstract

The increasing number of processed foods in Indonesia does not indicate the quality of those foods. Yet, the government has not conducted a proper monitoring towards the statements written on the food labels. The lack of monitoring on such labels inflicts consumers to be careful of ensuring the quality of the products. This is hypothesized since some labels are sometimes found to be incautious of clarifying the ingredients inside. Therefore, the Departments of Industry and Trade, of Health, and of Social of Purwokerto have an authority to monitor and give sanctions to the food producers who do not obey the regulation of food labels and halal certificate. This authority is given to assure the consumer protection from the unexpected risks. Key words : processed foods, food labels, monitoring, consumer protection

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