Article Per Year (5 Year)
p-Index From 2018 - 2023
5.86
P-Index
This Author published in this journals
All Journal Buletin Udayana Mengabdi Bumi Lestari Jurnal Sains Materi Indonesia Jurnal Neutrino Journal of Mathematical and Fundamental Sciences BULETIN FISIKA Jurnal Fisika Indonesia
Ni Nyoman Rupiasih
Department Of Physics, Faculty Of Mathematics And Natural Sciences, University Of Udayana
Agriculture, Biological Sciences & Forestry Humanities Astronomy Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Mathematics Physics

Published : 33 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 33 Documents
Search

 1   2   3   4 
PENDAMPINGAN KEGIATAN EKSRAKURIKULER KIR DALAM UPAYA MENINGKATKAN KUALITAS SEKOLAH SMA DWIJENDRA DENPASAR Komang Dharmawan; Y. Ramona; N. N. Rupiasih; I G. A. Widagda
Buletin Udayana Mengabdi Vol 19 No 3 (2020): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (207.27 KB)

Abstract

Youth Scientific Work (KIR) basically aims to trigger curiosity about natural phenomena related to science and technology. KIR can also increase the ability to think critically about natural phenomena and increase creativity that fosters creative ability and critical thinking. The purpose of this assistance is to introduce research methods for groups of teachers so students get better quality coaching. The mentoring method applied is In-House-Training, which is the implementation of mentoring at the relevant school. In this assistance 4 scientific works have been produced by high school students of Dwijendra Denpasar who are ready to be presented in KIR competitions both regionally and nationally.
The effect of various disturbances on the seeds on the content of chlorophyll a, chlorophyll b, carotenoids, and biomass of cayenne pepper Seedlings Ni Nyoman Rupiasih; Ni Kadek Gita Hari Yanti; Made Sumadiyasa; I.B.S. Manuaba
BULETIN FISIKA Vol 19 No 1 (2018): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Study on the effect of various disturbances on the cayenne pepper seeds (Capsicum Frutescens L.) to the content of chlorophyll a, chlorophyll b, carotenoids, and biomass of the plants in the germination period have been done. The disturbances given include UV-C irradiation for 1 hour (S1), microgravity for 12 hours (S2), for 24 hours (S3), and for 48 hours (S4), as well as combined disturbances that are UV-C irradiation for 1 hour followed by microgravity for 12 hours (S5), for 24 hours (S6), and for 48 hours (S7). As comparison, it has been used seeds without treatment called control (S0). The microgravity environment was created using a 2-D clinostat with a rotational speed of 2.7 rpm (1.2 x 10-4 g). All samples were grown in normal gravity (1 g) environment. Observations were made during the vegetative phase until the plant was 40 days old. Measurements of chlorophyll a, chlorophyll b, carotenoids, and biomass were performed at the plants were 10, 20, and 40 days old. The results showed that disturbances which given on the seeds gave positive effects on the content of chlorophyll a, chlorophyll b, carotenoids, and biomass of the plants. The impacts depend on the duration of the disturbances given.
PENGARUH PERLAKUAN MIKROGRAVITASI PADA BIJI CABAI RAWIT TERHADAP LAJU PERTUMBUHAN TANAMAN CABAI RAWIT (CAPSICUM FRUTESCENS L.) Ni Luh Yuni Pramita Utami; Ni Nyoman Rupiasih; I Wayan Supardi
BULETIN FISIKA Vol 18 No 1 (2017): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The study has been done on the effect of microgravity on cayenne pepper seed (Capsicum frutescens L.) on the growth rate and percentage of live of cayenne pepper plant. Microgravity is simulated by 2-D clinostat with the rotation speed of 2.7 rpm (1.22 × 10-4 g). The microgravity treatments werevariatewith time, known for 12 h (S1), 24 h (S2), and 48 h (S3).The seeds that have been clinorotated were planted in normal gravity environment, 1 g. Plant height and percentage of life measurements were carried out every dayduring the vegetative phase of plant of 0-40 days. The results showed that microgravity treatment on seeds gives positive effect on the growth rate of the cayenne pepper plant.
Study on Transport Properties of Chitosan Membrane in Different Types of Electrolytes Ni Nyoman Rupiasih; Made Sumadiyasa; I Ketut Putra; Ni Made Rasmini
Journal of Mathematical and Fundamental Sciences Vol. 50 No. 2 (2018)
Publisher : Institute for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.math.fund.sci.2018.50.2.6

Abstract

In this study, the electrical properties of chitosan membrane in different types of electrolytes were investigated by analyzing the current-voltage (I"‘V) curve. The membrane used was chitosan membrane 2%. The different electrolyte solutions used were KCl, HCl, MgCl2, CaCl2 and AlCl3 at concentrations of 0.025 M. The I-V experiments were done using a two-compartment cell, which contained two working electrodes made of platinum connected to a DC current source and two Ag/AgCl reference electrodes connected to a voltmeter. All experiments were conducted at an ambient temperature of 28.7 °C. Water uptake (hydrophilicity) and Fourier transform infrared (FTIR) measurements were also studied in this research. The I-V curves show the ohmic behavior of the membrane. The resistance of the membrane was higher in the electrolyte solutions with larger Stokes radii and lower in the electrolyte solutions with larger diffusion coefficients, except in the HCl solution. These results indicate that the I-V curve shapes are affected by the type of electrolyte solution used for the chitosan membrane transport. The hydrophilicity of the membrane was improved after exposure to the electrolyte solutions. The FTIR analysis revealed a new peak at about 677 cm-1, which indicates the formation of C-Cl groups in the used membranes.
PERANCANGAN DAN PEMBUATAN SISTEM PENGENDALI ROBOT DENGAN MENGGUNAKAN ISYARAT PUPIL MATA I Wayan Supardi; Fahim Mamduh; N. Nyoman Rupiasih; Pt Widyatmika
BULETIN FISIKA Vol 13 No 1 (2012): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

It has designed and constructed a robot control system using positions eye pupil cues with motion detection method. The method detects changes in image as a process of movement. The image of the eye pupil was captured by a webcam and subsequently converted into a gray scale. To determine the direction of motion of the prototype robot, has been used the rules of segmentation e.g. the division of area of the image obtained. In every area of an image or segmentation unit will be set to a detector, and if there is movement in that area will be reported in the percentage of movement. Percentage value of the segmentation cells is fed to the parallel port so the prototype robot can move forward, turn right, turn left, and stop.
INFLUENCE OF LIGHT WAVELENGTHS ON GROWTH OF TOMATO Hery Suyanto; Ni Nyoman Rupiasih; Dewi Handayani
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Telah dilakukan penelitian tentang pengaruh panjang gelombang cahaya terhadap lajupertumbuhan dan karakteristik klorofil-a pada tanaman tomat. Panjang gelombang cahayayang digunakan pada penelitian ini adalah 450 nm, 470 nm, 550 nm, 650 nm dan 680 nm denganintensitas masing-masing 1000 lux. Penelitian dilakukan mulai saat pembibitan dari hari ke-0sampai dengan hari ke-18 dan fase pertumbuhan dari hari ke-19 sampai dengan hari ke-53. Saatpembibitan, penyinaran dengan panjang gelombang 680 nm mempunyai laju pertumbuhanpaling besar dibandingkan dengan panjang gelombang lainnya bahkan lebih besardibandingkan dengan pembibitan dibawah sinar matahari (dialam bebas) khususnya padahari ke-1 sampai dengan hari ke-8. Laju rata-rata pertumbuhan dengan penyinaran panjanggelombang ini sekitar 1,11 cm/hari. Sedangkan pada fase pertumbuhan penyinaran denganpanjang gelombang 680 nm tidak memberikan efek yang berarti, sebaliknya laju pertumbuhanpaling besar pada fase ini terjadi pada penyinaran dengan panjang gelombang 650 nm.Kenyataan ini juga diperkuat dengan pengambilan data klorofil-a. Berdasarkan data yangdiperoleh, laju pertumbuhan dan kadar klorofil-a dari penyinaran dengan panjang gelombang650 nm masing-masing adalah 0,07 cm/hari dan 7,784 mg/L. Berdasarkan data-data pengamatanmenunjukkan bahwa pertumbuhan tanaman tomat membutuhkan panjang gelombang berlainanyang merupakan fungsi waktu.
MENINGKATKAN KOMPETENSI SISWA PAKET B DAN C DI PKBM MENTARI FAJAR MELALUI PELATIHAN PERANGKAT LUNAK PERKANTORAN I.W. Sumarjaya; M. Joni; N. N. Rupiasih; J. Sibarani
Buletin Udayana Mengabdi Vol 16 No 2 (2017)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.152 KB)

Abstract

Tujuan pelatihan ini adalah untuk meningkatkan kompetensi siswa Paket B dan Paket C di Pendidikan Kesetaraan Belajar Masyarakat (PKBM) Mentari Fajar. Materi pelatihan meliputi pengantar dasar-dasar komputer dan pengantar perangkat lunak perkantoran Microsoft Office (Word, Excel, dan Powerpoint). Kegiatan workshop terdiri dari prauji, sesi praktik, sesi tanya jawab, dan pascauji. Prauji dilakukan untuk mengetahui kemampuan dasar para siswa dalam pengoperasian komputer dan perangkat lunak perkantoran sebelum mengikuti pelatihan. Sesi praktik dan tanya jawab dilakukan selama pelatihan berlangung. Pada sesi praktik para siswa mengerjakan tugas yang diberikan dan pendampingan dilakukan untuk memberikan arahan pada para siswa. Evaluasi berupa pascauji diberikan seminggu setelah pelatihan. Hasil pengujian secara statistika menunjukkan pelatihan mampu meningkatkan kompetensi siswa dalam menggunakan perangkat lunak perkantoran. Selain itu, umpan balik menunjukkan bahwa pelatihan membantu para siswa dalam mengerjakan tugas-tugas sekolah dan juga dalam pekerjaan sehari-hari.
SINTESIS SUPERKONDUKTOR SISTEM (Bi,Pb)Sr(Y,Ca)CuO BERFASE 1212 DENGAN METODE PELELEHAN M. Sumadiyasa; Ni N. Rupiasih; P. Suardana
BULETIN FISIKA Vol 13 No 2 (2012): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Superconductors system BPSCCO 1212 phase have been synthesized by solid state reaction with melting methods. The schedules: calcining at 9000C during 10 h, making of pellet, melting at 10100C for 0.1 h, cooling (cooling rate 350C/h) to 9800C, and sintering at 9800C during 5, 10, 20, and 30 h. From measurement of XRD, all of the sample has showed to be formed of Bi-1212 phase. The highest volume fraction reach 91,23 % given by sample which is sintering at 9800C during 10 h. The spectrum pattern show reflection of its 00l extremely high intensity, showing the existence highly textured which as according to the typical behaviour for materials with the c-axis lying normal to the surface plane. The resistivity as function of temperature, that sample not yet shown the existence of Tc0, not yet had the superconducting properties at temperature above 77 K. The SEM shows morphology of surface, showing the existence of the stacking of plate-like. Analyse EDX at some spots observation, show elements distribution of Bi, Pb, Sr, Y, Ca and Cu nearly homogenous, and its ratio of the spots on grain have been nearly the composition of 1212 phase.
PENGARUH LAMA PENYINARAN UV-C PADA BIJI CABAI RAWIT(CAPSICUM FRUSTESCENT L) TERHADAP LAJU PERTUMBUHAN TANAMAN, KADAR KLOROFIL-A DAN KERAPATAN STOMATA DAUN SERTA KADAR KAPSAISIN BUAH CABAI RAWIT R.A Restia Pranagari; Ni Nyoman Rupiasih; Hery Suyanto
BULETIN FISIKA Vol 15 No 2 (2014): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

While irradiation of UV-C light has an effect on plant height, plant growth until the generative phase,chlorophyll-a content, stomatal density and concentration capsaicin chilies. Sample treatment on seeds /seedlings to ultraviolet C radiation (UV-C) respectively for 5 minutes, 15 minutes, 25 minutes, 30 minutes,35 minutes, 50 minutes, 1 hour, 2 hours, 6 hours, 8 hours, 24 hours and 48 hours. The results showed thatthe effect of ultraviolet-C irradiation on seed negative effect on the inhibition of germination of thevegetative phase. While the generative phase, the plant that gets the least amount of UV radiation dosestunted. Ultraviolet radiation on seed very negative effect on the levels of chlorophyll-a. Chlorophyll-alevels were at least 5 minutes in sample treatment (S1). Stomatal density of cayenne pepper plant seedstreated with UV-C irradiation had a greater stomatal density than the untreated plants. Capsaicin levelswhich are most numerous in the old bean chili with UV-C irradiation 2 hours (S8) is an average of 755.17mg / L each of chilies.
STUDI MEMBRAN KITOSAN DARI KULIT LOBSTER BAMBU SEBAGAI MEMBRAN FILTRASI Ni Nyoman Putri Windari; Ni Nyoman Rupiasih; Made Sumadiyasa
BULETIN FISIKA Vol 17 No 1 (2016): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The study of the extraction and characterization of chitosan from skin waste of Bamboo Lobster (Panulirus versicolor) has been done. Chitosan is extracted using conventional method, namely the initial process: cleaning and drying (pretreatment), demineralization, deproteination, and deacetylation. The chitosan obtained has been used to prepare chitosan membrane 2% with acetic acid 1% as solvent. The membrane prepared by phase inversion method withprecipitation through solvent evaporation. The prepared membranes were characterized by FTIR spectrophotometer, Nova 1200e by BJH method and filtration method. The results obtained that degree of deacetylation (DD) of chitosan is 70.016%. The thickness of the membrane is 0.361 mm. The FTIR spectra show that functional groups obtained are -NH, -CH, C=O, C-O and -CN. From BJH method obtained that the pore radius is 1.69 nm and pore density is 8.95 x 105pores/m3. From the filtration method obtained that at each pressure, 80-85 kPa and 90-100 kPa, the PWF values are 381.232 and 454.545 L/m2.h, respectively.
Co-Authors Angelia Bella Kusumaningtyas Decky Danuarta Fernanda Dewa Ayu Sukma Pranastia Dewi Handayani Fahim Mamduh Hery Suyanto I B Sujana Manuaba I G. A. Widagda I Gde Antha Kasmawan I Ketut Putra I Made Hendra Hadinata I Made Oka Guna Antara I Wayan Supardi I. W. Sumarjaya I.B.S. Manuaba I.W. Sumarjaya Ida Ayu Putu Inten Gayatri Ida Wisnu Sari J. Sibarani K N Suarbawa Komang Dharmawan Laura Laudensia Senly Jalut M. Joni Made Sumadiyasa Maria Yulni Imas Maulida Nirwana Islami Ni Kadek Gita Hari Yanti Ni Kadek Gita Hari Yanti Ni Luh Yuni Pramita Utami Ni Made Rasmini Ni Nyoman Putri Windari Ni Wayan Eri Sandriani Ni Wayan Eri Sandriani Nyoman Wendri Nyoman Wndri P. Suardana Pt Widyatmika Putu Erika Winasri Putu Ika Paramitha Putri R.A Restia Pranagari Ratih Wulandari Ratnawati, I Gusti Agung Ayu Ria Yuliani S. S. Jagtap Septiana Ribka Purnomo Supardi, I Wayan Umi Hariyani Wolfharditia Oktaviana Nita Y. Ramona Yohanes Sardjono Yosefa Yakunda Tandu Zoucella Andre Afani