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All Journal ORBITA: Jurnal Pendidikan dan Ilmu Fisika SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Lensa : Jurnal Kependidikan Fisika Indonesian Review of Physics (IRiP) International Journal Of Science, Technology & Management (IJSTM) Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Jurnal Jendela Pendidikan Lensa: Jurnal Kependidikan Fisika Jurnal Inovasi Pembelajaran Matematika: PowerMathEdu (PME)

Dwi Pangga

Universitas Pendidikan Mandalika Mataram

Author-ID : 6147133

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities 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 Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Uji Mekanik Membran Kitosan Berbahan Dasar Cangkang Kepiting Lestari, Indah; Prasetya, Dwi Sabda Budi; Pangga, Dewi
Lensa : Jurnal Kependidikan Fisika Vol 6, No 1: June 2018
Publisher : IKIP Mataram

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[Title: The Effect of Thinking Aloud Pair Problem Solving Learning Model Toward Student Physics Science Learning Outcomes]. This study aims to test mechanical on membrane composite membrane based crab shell and poly vinly Acetat (PVA). A mechanical test was performed to test the young modulus of the membrane in maintaining pore size using the "Tensilon" machine. The results show that chitosan / Poly Vinly Acetate composite membrane with preparation of comparison 25% -75%, 50% -50% and 75% -25%. For sample 25% -75% experience drying process faster than other sample. On the mechanical test of chitosan membrane / Poly Vinly Acetat showed the biggest value that is equal to 9.84 Mpa on comparison preparation 50% -50%. 25% -75% and 75% -25% preparations decreased by 4.68 MPa and 1.37Mpa.

Pengembangan Bata Ringan Berbahan Dasar Limbah Pengolahan Emas Tradisional dengan Penguat Eceng Gondok Pangga, Dwi; Prasetya, Dwi Sabda Budi; Ahzan, Sukainil
Lensa : Jurnal Kependidikan Fisika Vol 6, No 2: December 2018
Publisher : IKIP Mataram

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[Title: Development of Lightweight Brick Based on Traditional Gold Processing Waste with Water Hyacinth Booster]. Research has been carried out on the manufacture of light brick made from gold processing waste with water hyacinth filler. The study was carried out by varying the direction of water hyacinth fiber as filler in light brick making. The direction of the filler is arranged in a horizontal, orthogonal and random direction. In each filler direction, the percentage variation of water hyacinth is arranged with the volume fraction 0%, 15%, 30%, 45%, 60%, from the total volume of the amount of light brick. The test results show that in the horizontal fiber direction the compressive strength is (2.43; 0.25; 0.54; 0.24; 0.50) MPa with a density (1.62; 1.34; 1.58; 1.42; 1.25) gr /cm3. In orthogonal direction the compressive strength was (2.43; 0.26; 0.80; 0.63; 0.77) MPa with density (1.62; 1.42; 1.49; 1.53; 1.42) gr/cm3. While in the random direction the compressive strength was (2.43; 0.73; 0.69; 0.59; 0.65) MPa with a density (1.62; 1.20; 1.41; 1.13; 1, 20) gr/cm3. From these data by comparing with previous studies, the most stable compressive strength and density values are formed in orthogonal directions. While the density value is most formed in random direction. In all directions the compressive strength and stable density were formed in the 60% volume of filler. The test results show that the light brick that is formed into the category is very light (entered in 0.6 - 1.6 gr/cm3 range) and floating in water, with medium compressive compressive strength.

Pembuatan Kitosan dari Cangkang Udang sebagai Adsorben Emas (Au) Jaya, Indra; Syaputra, Joni; Prasetya, Dwi Sabda Budi; Pangga, Dwi
Lensa : Jurnal Kependidikan Fisika Vol 5, No 2: December 2017
Publisher : IKIP Mataram

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[Title: Making Chitosan From Shrimp Cup As Gold (Au) Adsorben]. This study aims to make chitosan from shrimp shell as golden adsorbent. Stages of chitosan preparation include demineralization stage using 1,5M HCL, deproteination stage using 3.5% NaOH to obtain chitin powder, then followed by chitin deacetylation stage using 60% NaOH to produce an anime that is chitosan. Subsequently, the chitosan obtained was characterized, analyzed functional group with FTIR and determined its adsorption capacity against Au metal ion, Au content in the sample before and after adsorption was measured using AAS. The results showed chitosan characterization as follows: rendeman 45.83%, have powder texture, white colour, odourless, have moisture content 1.55%, perfectly soluble in glacial acetic acid 2% and purple positive with ninhydrin solution showed chitin has turned into chitosan. Based on calculations from the results of the resulting chitosan FTIR data has a degree of deacetylation 71.17%. From the result of analysis by using AAS that chitosan obtained able to adsorb Au metal from concentration 8.55 ppm decrease until 5,09 ppm with adsorption percentage equal to 40.46%.

PENGEMBANGAN MODUL PEMBELAJARANPADA POKOK BAHASAN IDENTIFIKASI KANDUNGAN MATERIALBERBASIS RISET DAN KEARIFAN LOKAL Pangga, Dwi; Prasetiya, Dwi Sabda Budi
Lensa : Jurnal Kependidikan Fisika Vol 4, No 2: December 2016
Publisher : IKIP Mataram

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This study aims to develop a 'learning module' identification of material content based on research and local wisdom. This module is a refinement of the Material Physics module. This course is an option; therefore the content tends towards the development of talent and interest to motivate the Master's degree. During this study more based on literature studies, the means are very limited. As a result, many curiosity and student awareness can not be missed because learning through research is very limited. The development of research-based modules and local wisdom can support the needs of students to conduct research. The research method used in this research is R & D research using Borg & Gall development model including product analysis, development, expert validation and revision, small field trial phase, large scale field trial and final product result. Learning module on subject matter identification of research-based materials and local wisdom as a product of development.

Uji Biokompatibilitas Nanofiber Komposit Kitosan/PVA Sebagai Pembalut Luka Supriyanto, Abdul; Murni, Minarti Liana; Marlina, Fitri; Pangga, Dwi
Lensa : Jurnal Kependidikan Fisika Vol 6, No 1: June 2018
Publisher : IKIP Mataram

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[Title: Chitosan/PVA Composite Nanofiber Biocompatibility Test as a Wound Wrap]. This study aims to make chitosan-based nanofiber from NTB local crab shells. The manufacture of nonofiber is intended for application in the medical world as wound dressing. Wound dressing was developed from the basic ingredients of chitosan from NTB local crab shells. This research was conducted using the electrospining method, namely by making fibers from nano-sized chitosan. The resulting wound dressing was analyzed using FTIR. The results of this analysis show that chitosan has an area of absorption or transmittance in some chitosan groups so that it shows a positive alloy on chitosan and PVA as antibacterial in wound dressing.

PENGARUH PENDEKATAN SCIENTIFIC TERHADAP MOTIVASI DAN HASIL BELAJAR FISIKA SISWA Syadzili, As’ad Furqon; Ahzan, Sukainil; pangga, Dwi
Lensa : Jurnal Kependidikan Fisika Vol 3, No 1: June 2015
Publisher : IKIP Mataram

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This research aimed to know there is or no effect of scientific approach toward student’s motivation and learning achievement. The kind of this research was experimental research. Design of this research used pretest and posttest one group design, with population was all students of XI IPA at SMAN 1 Kopang. Sample of this research consist of two classes that is class XI IPA 1 as experimental group and class XI IPA 2 as control group which used random sampling tachnique. Mean of pretest was 23,21 in experimental group and 30,15 in control group. Mean of posttest was 74,74 in experimental group and 57,68 in control group. Percentage of student’s learning motivation was increased 59,85% (low) in experimental group and 64,65% (quite) became 82,40% (high) in experimental group and 76, 56% (quite) in control group. The data of homogenity and normality was homogen and normal distribution. The data analysis used t-test. The result of t-test was 3,89 for motivation and 5,47 for learning achievement and t-table was 1,99 in 5% level of significant with t-test > t-table. This research showed that there is effect of scientific approach toward student’s motivation and learnig achievement at eleventh year students of SMAN 1 Kopang.

UJI TEKAN BATAKO RINGAN DARI LIMBAH PENGOLAHAN EMAS DENGAN VARIASI KOMPOSISI ABU SEKAM PADI Syahrun, Syahrun; Ahzan, Sukainil; Pangga, Dwi
Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Vol 2, No 2: June 2019
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

[Title: Test Press Concrete of Gold Processing Waste With Variation of Rice Husk Ash Composition]. Lightweight concrete has been made from waste raw materials processing of gold and ash husk of rice with cement as the supporting materials, foam, and ADT. The purposed light brick-making determined the density and compressive strength. Concrete light created by variations in waste processing of gold and ash husk of rice was respectively 10% LPE + 90% ASP, 25% + 75%, 50% + 50%, 75% + 25%, 100% + 0% (in% volume), hardening time for 11 days. Parameter test performed include density test and compressive strength test. Test results showed that the density and the compressive strength of lightweight concrete with a variation of plus gold processing waste and ash husk of rice, the amount of cement on the conditions remained and the drying time for 11 consecutive days, the density of 1.005 gr/cm3, 0.986 gr/cm3, 1.077 gr/cm3, 1.091 gr/cm3, 1.133 gr/cm3 and the compressive strength of 1.34 MPa, 1.16 MPa, 1.77 MPa, 1.03 MPa, 1.29 , The intensity of the density and the compressive strength was influenced by the amount of foam mix, rice husk ash and ADT.

PENGEMBANGAN LEMBAR KERJA SISWA (LKS) FISIKA BERBASIS GAMBAR MATERI GETARAN DAN GELOMBANG Suci, Devi Lara; Ahzan, Sukainil; Pangga, Dwi
Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Vol 1, No 2: June 2018
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

[Title: Development of Physics Student Worksheets Based on Image on Vibration and Waves Material]. Has conducted development research of media instruction in the form of Physics student worksheet (PSW) based image. This study aims to determine the eligibility of PSW based image subject matter of vibration and wave material in the class of VIII SMPN 4 Batukliang. Subjects in this study were students of class VIII SMPN 4 Batukliang the school year 2015/2016 amounting to 21 students. Methods of data collection in this study is the questionnaire. Eligibility test carried out by the validation by expert lecturers Mataram Teachers' Training College physical education and assessment by a physics teacher and students in a limited group test conducted at SMPN 4 Batukliang. The results of this development study found that the results of eligibility by expert lecturer percentage of 86.5%, then from teachers of eligibility obtained the percentage of 94%. The results based on the results of validation expert lecturers and showed a very good physics teacher. The response of the students was also very good with a percentage of 96.71% eligibility. Based on this analysis showed that the student worksheet physic-based image very decent used in the learning process.

UJI MEKANIK BATA RINGAN BERBAHAN DASAR LIMBAH PENGOLAHAN EMAS DENGAN VARIASI LIMBAH BATU-BARA DAN SEMEN Wathoni, Muhammad Munawir; Prasetya, Dwi Sabda Budi; Pangga, Dwi
Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Vol 2, No 1: December 2018
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

[Title: The Mechanical Test of Lightweight Brick Made from Gold Processing Waste with Variations in Coal and Cement Waste]. The purposes of this research are to make lightweight concrete using waste processing of gold with variation fly ash and cement the better than conventional concrete. The value of this research has tested mechanics which comprises density, porosity and strength. The research has done with some stage are: 1) Make lightweight concrete using LPE with variation fly ash and cement. 2) Characterization of the samples which comprise density, porosity and the strength, 3) Analysis of tested mechanical lightweight concrete. The value of lightweight concrete to make with variation composition fly ash and cement in a series are: (0/100), (5/95), (10/90), (15/85), (20/80) who are in volume. To make lightweight concrete with composition foam and water controlled as much as 10 ml and 150 ml at all of the sample. So we get the density value of lightweight concrete without fly ash is 1.61. In lightweight concrete with fly ash, we get the minimum density of lightweight is 1.15. The porosity value of lightweight concrete without fly ash is 13.6%, and the porosity value of lightweight concrete with fly ash is 8.0%. The compressive strength of lightweight concrete without fly ash is 1.629 MPa and the compressive strength of lightweight concrete with fly ash is 1.772 MPa. The value shown to process waste processing of gold with variation fly ash and cement to be lightweight concrete can get mechanical in character of lightweight to be better than conventional concrete.

Effect of Variations and Types of Filler on Compressive Strength and Density of CLC Light Bricks Dwi Pangga; Dwi Sabda Budi Prasetya; Habibi
International Journal of Science, Technology & Management Vol. 1 No. 4 (2020): November
Publisher : International Journal of Science, Technology & Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v1i4.77

Abstract. In the process of producing light brick, there is â€˜mixed foamâ€™ agent to reduce the value of its density, therefore it can reduce the values of compressive strength. To reduce its density and increase the value of pressure, the variations and types of fillers must match the composition. The manufacture of light brick type CLC (Cellular Lightweight Concrete) has been carried out with several variations and types of fillers to compare the values â€‹â€‹of compressive strength and density. The fillers are as follows: Water Hyacinth, Banana Midrib, and Wood Shavings based on gold processing waste (GPW). The compressive strength and density test results on various filler percentages are as follows: 1). Water hyacinth at the percentage of 0%, 15%, 30%, 45%, 60% has compressive strength: (2.43; 0.73; 0.69; 0.59; 0.65) MPa while the densities are ( 1.62; 1.20; 1.41; 1.13; 1.20) gr / cm3. 2). Banana midrib with variations are: 0-4 midribs has compressive strength: (2.43; 1.25; 1.68; 2.13; 1.32) MPa and its densities are (1.62; 1.29; 1.12; 1.16; 1.25) gr / cm3. 3). Wood shavings with percentage: 0%, 25%, 50%, 75% have compressive strength: (2.43; 1.39; 2.04; 1.72) MPa and their densities: (1.62; 1, 21; 1.26; 1.20) gr / cm3. The results showed that the best compressive strength was produced by the filler from wood shavings with an average of 1.85 MPa and a density of 1.31 gr / cm3. The lowest density was obtained from the banana midrib filler which was 1.29 gr / cm3 with a compressive strength of 1.76 MPa. It can be concluded that light brick is best suited to wood shavings fillers.

Co-Authors A'an Hardiyansah Putra Wijaya Abdul Supriyanto AHMADI Ahmadi Ahmadi Ahmadi Ahmadi Ahzan, Sukainil Ahzan, Sukainil Ari Dwi Nugraheni As’ad Furqon Syadzili Azhul Azmil Sani A’an Hardiyansyah Putra Wijaya Baiq Lailatul Jannah Baiq Muli Harisanti Baiq Rika Ayu Febrilia Devi Lara Suci Dwi Sabda Budi Prasetiya Dwi Sabda Budi Prasetya Dwi Sabda Budi Prasetya Dwi Sabda Budi Prasetya Dwi Sabda Budi Prasetya Dwi Sabda Budi Prasetya Dwi Sabda Budi Prasetya Dwi Sabda Budi Prasetya Edy Supriyanto Edy Supriyanto Fitri Marlina Fitri Marlina Gummah, Syifaul Habibi Habibi Habibi Habibi Habibi Habiburahman, Lalu Harisanti, Baiq Muli Harsojo Harsojo Harsojo Harsojo Indah Lestari Indra Jaya Ita Chairun Nissa Joni Syaputra Lalu Habiburahman Linda Sekar Utami Lintang Pratama Lintang Pratama Lovy Herayanti Lovy Herayanti Minarti Liana Murni Muh. Arafatir Aljarwi Muhammad Munawir Wathoni Murni, Minarti Liana Nugraheni, Ari Dwi Prasetiya, Dwi Sabda Budi Prasetya, Dwi Sabda Budi Prayogi, Saiful RR. Ella Evrita Hestiandari Samsun Hidayat Suci, Devi Lara Sukainil Ahzan Sukainil Ahzan Sukainil Ahzan Sukainil Ahzan Sukainil Ahzan Sukainil Ahzan Sukainil Ahzan Supriyanto, Abdul Syadzili, As’ad Furqon Syahrun Syahrun Syahrun, Syahrun Syaputra, Joni Syifaul Gummah Syifaul Gummah Wathoni, Muhammad Munawir

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