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MECHANICAL PROPERTIES OF SUGAR PALM (ARENGA PINNATA) ROPES AND NETS FOR AGRICULTURAL PURPOSES 农业用糖棕榈绳和网的机械性能
Jambura Physics Journal Pub Date : 2023-05-18 DOI: 10.34312/jpj.v5i1.19433
M. Jahja, Kasim Dihuma, Dewa Gede Eka Setiawan, Tsutomu Yamaguchi, Andi Patiware Metaragakusuma, M. Sakakibara
{"title":"MECHANICAL PROPERTIES OF SUGAR PALM (ARENGA PINNATA) ROPES AND NETS FOR AGRICULTURAL PURPOSES","authors":"M. Jahja, Kasim Dihuma, Dewa Gede Eka Setiawan, Tsutomu Yamaguchi, Andi Patiware Metaragakusuma, M. Sakakibara","doi":"10.34312/jpj.v5i1.19433","DOIUrl":"https://doi.org/10.34312/jpj.v5i1.19433","url":null,"abstract":"Sample of Arenga Pinnata (AP) fibres, ropes and nets were prepared from AP ropes using traditional tools. The ropes and nets were used as agricultural material such as vertical farming of vines (passion fruit, grape, bitter gourd, and melon) in Gorontalo and Japan. The combination of nets and vines acts as green curtain (GC) which. Could mitigate the thermal energy in outdoor as well as indoor buildings. and tested with the deformation rate of up to the point of rupture. To avoid the failure of ropes and nets on supporting the weight of the vines, the Universal Testing Machine Model WDW-50 were used to determine the ultimate tensile forces. While the physical size of the AP fibres, ropes and nets also being measured to confirm the uniformity of the individual ropes and nets","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"233 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121410143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PARTICLE BOARD HEAT INSULATION PINEAPPLE LEAF FIBER WASTE AND HVS PAPER AS AN ALTERNATIVE TO IMPROVE INDOOR ENVIRONMENTAL QUALITY 刨花板隔热用菠萝叶废纤维和HVS纸作为替代，改善室内环境质量
Jambura Physics Journal Pub Date : 2023-05-18 DOI: 10.34312/jpj.v5i1.18778
Oktavia Oktavia, D. Lestari, R. K. Rokar, W. B. Kurniawan
{"title":"PARTICLE BOARD HEAT INSULATION PINEAPPLE LEAF FIBER WASTE AND HVS PAPER AS AN ALTERNATIVE TO IMPROVE INDOOR ENVIRONMENTAL QUALITY","authors":"Oktavia Oktavia, D. Lestari, R. K. Rokar, W. B. Kurniawan","doi":"10.34312/jpj.v5i1.18778","DOIUrl":"https://doi.org/10.34312/jpj.v5i1.18778","url":null,"abstract":"The limited supply of wood as a raw material in various industries requires a better alternative material. Wasted-based composite engineering can be a solution to this problem. What's more, composite can be engineered according to needs, such as having the ability to reduce heat to maintain comfortable room temperature conditions. Therefore, in this research, a particle board reinforced by pineapple leaf fiber waste and HVS paper waste was developed to know the effect of the particle board reinforcement composition on reducing heat. In this research, a comparison of pineapple leaf fiber waste and HVS paper waste was used at 100%:0%; 70%:30%; 50%:50%; 30%:70%; and 0%:100% with resin adhesive. This particle board is made by mixing all the ingredients and then printing it into a mold and then carrying out the drying process. The test was carried out based on a temperature difference analysis. The most optimum particle board reinforcement composition to reduce heat is 100% pineapple leaf fiber waste : 0% HVS paper waste.","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125653651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THERMAL PERFORMANCE OF RESIDENTIAL HAUSE USING GREEN ROOF BY UTILIZING THE PASSION FRUIT PLANTS (PASSIFLORA EDULIS) AS ROOF COVER 利用西番莲植物(西番莲)作为屋顶覆盖物的绿色屋顶住宅的热性能
Jambura Physics Journal Pub Date : 2023-05-18 DOI: 10.34312/jpj.v5i1.19358
Suwaldi Mopangga, M. Jahja, Dewa Gede Eka Setiawan, M. Mursalin, I. Supu, Meilan Demulawa, Abdi Gunawan Djafar
{"title":"THERMAL PERFORMANCE OF RESIDENTIAL HAUSE USING GREEN ROOF BY UTILIZING THE PASSION FRUIT PLANTS (PASSIFLORA EDULIS) AS ROOF COVER","authors":"Suwaldi Mopangga, M. Jahja, Dewa Gede Eka Setiawan, M. Mursalin, I. Supu, Meilan Demulawa, Abdi Gunawan Djafar","doi":"10.34312/jpj.v5i1.19358","DOIUrl":"https://doi.org/10.34312/jpj.v5i1.19358","url":null,"abstract":"Urbanization is the movement of people from villages to cities, this has caused an increase in population growth in urban areas resulting in increased demand for development which has reduced land for green spaces, green roofs are present as a farming concept amidst limited land in urban areas as well as assisting in passive cooling. The process of photosynthesis must play a role in roof shading. The selection of vegetation in the form of passion fruit vines as a roof covering material can spread up to 24 m, the object of research is a house in a housing complex by comparing two rooms, using a vegetation roof cover and without a vegetation roof cover, based on the results obtained a room with a vegetation roof cover experienced a decrease in temperature as the growth of vines covered the roof, the results obtained were a comparison between the two rooms, namely 0.1℃ in January, 1.1℃ in February and 2.6℃ in March when the peak temperature is during the day.","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133584790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SISTEM KENDALI JARAK JAUH BEBAN LISTRIK RUMAH TANGGA BERBASIS INTERNET OF THINGS (IoT) 基于事物的家庭电力负荷远程控制系统(许多)
Jambura Physics Journal Pub Date : 2023-05-18 DOI: 10.34312/jpj.v5i1.19026
Hermansyah Hermansyah, N. Rahmawati, Alamsyah Achmad
{"title":"SISTEM KENDALI JARAK JAUH BEBAN LISTRIK RUMAH TANGGA BERBASIS INTERNET OF THINGS (IoT)","authors":"Hermansyah Hermansyah, N. Rahmawati, Alamsyah Achmad","doi":"10.34312/jpj.v5i1.19026","DOIUrl":"https://doi.org/10.34312/jpj.v5i1.19026","url":null,"abstract":"This study aims to optimize the existing remote control system","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121376734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE EFFECT OF HYDROTHERMAL TEMPERATURE AND TIME OF UREA-DOPING ON THE OPTICAL PROPERTIES OF LEMONGRASS-BASED CARBON DOTS 水热温度和尿素掺杂时间对柠檬草基碳点光学性能的影响
Jambura Physics Journal Pub Date : 2023-05-18 DOI: 10.34312/jpj.v5i1.19048
Rahmania Nalwi, A. Maddu, M. Kurniati, J. Jumardin
{"title":"THE EFFECT OF HYDROTHERMAL TEMPERATURE AND TIME OF UREA-DOPING ON THE OPTICAL PROPERTIES OF LEMONGRASS-BASED CARBON DOTS","authors":"Rahmania Nalwi, A. Maddu, M. Kurniati, J. Jumardin","doi":"10.34312/jpj.v5i1.19048","DOIUrl":"https://doi.org/10.34312/jpj.v5i1.19048","url":null,"abstract":"CDs sourced from spiced lemongrass have been produced by hydrothermal method at hydrothermal temperatures of 120 ℃, 140 ℃, 160 ℃ and 180 ℃. The addition of urea as a nitrogen source was carried out in the synthesis of carbon nanoparticles at a hydrothermal temperature of 180 ℃ for two hours and three hours to see the effect on the optical properties of the CDs. The addition of urea gave a different effect on the two CDs. But the energy band gap (Eg) of the two becomes narrower. For two hours of hydrothermal duration, the addition of urea showed a significant increase in absorbance, but a decrease in fluorescence intensity, whereas for three hours, it resulted in an increase in fluorescence intensity. The results of measuring the size distribution of carbon nanoparticles showed a peak value of 52.32 nm. Functional group analysis using the FTIR spectrometer showed that the carbon nanoparticles consisted of C=C, C-O, O-H, 𝐶-N-𝐶 bonds. Urbach energy (Eu) increases with increasing hydrothermal synthesis temperature at 2 hours and 3 hours. The decrease and increase in the Urbach energy (Eu) is caused by the increasing regularity of the hydrothermal temperature as a result of the synthesis time so that the structure of the CDs becomes more stable and homogeneous.","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125814346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RANCANG BANGUN SISTEM KONTROL MINIATUR ALAT PEMINDAH MATERIAL PADA PROSES DISTRIBUSI BIJIH NIKEL MENGGUNAKAN PLC 设计一个使用PLC的镍矿石分配过程的微型传动控制系统
Jambura Physics Journal Pub Date : 2023-05-18 DOI: 10.34312/jpj.v5i1.18466
A. Mubarak, M. Afandy, Muhammad Khaidir
{"title":"RANCANG BANGUN SISTEM KONTROL MINIATUR ALAT PEMINDAH MATERIAL PADA PROSES DISTRIBUSI BIJIH NIKEL MENGGUNAKAN PLC","authors":"A. Mubarak, M. Afandy, Muhammad Khaidir","doi":"10.34312/jpj.v5i1.18466","DOIUrl":"https://doi.org/10.34312/jpj.v5i1.18466","url":null,"abstract":"This research aims to make a miniature ore material transfer tool automatically using Omron PLC. The way this tool works is that when the start button is pressed, motor 1 will move the apron containing the ore to be taken to the 3 storage barrels to be filled alternately. In each storage barrel, a proximity sensor is installed to detect the level of ore filling. On the rails that are passed by the apron, there are three limit switches that serve as indicators that the position of the apron is right above the storage barrel, then motor 2 will open the valve on the apron so that the ore on the apron falls into the reservoir. From this research, we have succeeded in obtaining an automatic control system for a miniature material transfer device in the ore distribution process.","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128025766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENGEMBANGAN TES DIAGNOSTIK UNTUK MENGIDENTIFIKASI PEMAHAMAN KONSEP SISWA SMA PADA POKOK BAHASAN GELOMBANG BUNYI 诊断测试的发展，以确定高中学生对声波主题的概念理解
Jambura Physics Journal Pub Date : 2023-05-18 DOI: 10.34312/jpj.v5i1.19294
Unggul Wahyono, I. Hermanto, N. Nurhayati, Lukman Samatowa, Wahyu Mu'zizat Mohamad, Nisa Maharani
{"title":"PENGEMBANGAN TES DIAGNOSTIK UNTUK MENGIDENTIFIKASI PEMAHAMAN KONSEP SISWA SMA PADA POKOK BAHASAN GELOMBANG BUNYI","authors":"Unggul Wahyono, I. Hermanto, N. Nurhayati, Lukman Samatowa, Wahyu Mu'zizat Mohamad, Nisa Maharani","doi":"10.34312/jpj.v5i1.19294","DOIUrl":"https://doi.org/10.34312/jpj.v5i1.19294","url":null,"abstract":"","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116153275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENGARUH MODEL PEMBELAJARAN BERBASIS VIRTUAL LABORATORY TERHADAP HASIL BELAJAR FISIKA SISWA PADA MATERI GELOMBANG BUNYI DAN GELOMBANG CAHAYA 基于虚拟研究模式的学习对学生在声波和光波物质上的物理学习的影响
Jambura Physics Journal Pub Date : 2022-10-25 DOI: 10.34312/jpj.v4i2.14759
Nurfadlun Faradila Dalu, Tirtawaty Abdjul, N. E. Ntobuo
{"title":"PENGARUH MODEL PEMBELAJARAN BERBASIS VIRTUAL LABORATORY TERHADAP HASIL BELAJAR FISIKA SISWA PADA MATERI GELOMBANG BUNYI DAN GELOMBANG CAHAYA","authors":"Nurfadlun Faradila Dalu, Tirtawaty Abdjul, N. E. Ntobuo","doi":"10.34312/jpj.v4i2.14759","DOIUrl":"https://doi.org/10.34312/jpj.v4i2.14759","url":null,"abstract":"","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"271 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114477629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENGARUH MODEL PEMBELAJARAN DISCOVERY BERBASIS EKSPERIMEN TERHADAP HASIL BELAJAR SISWA KELAS XI DI SMAN 1 BOLIYOHUTO PADA KONSEP FLUIDA STATIS
Jambura Physics Journal Pub Date : 2022-10-20 DOI: 10.34312/jpj.v4i2.13177
Hersiq Basri, Mursalin Mursalin, M. Jahja, C. Payu, Dewa Gede Eka Setiawan, Raghel Yunginger
{"title":"PENGARUH MODEL PEMBELAJARAN DISCOVERY BERBASIS EKSPERIMEN TERHADAP HASIL BELAJAR SISWA KELAS XI DI SMAN 1 BOLIYOHUTO PADA KONSEP FLUIDA STATIS","authors":"Hersiq Basri, Mursalin Mursalin, M. Jahja, C. Payu, Dewa Gede Eka Setiawan, Raghel Yunginger","doi":"10.34312/jpj.v4i2.13177","DOIUrl":"https://doi.org/10.34312/jpj.v4i2.13177","url":null,"abstract":"","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114551717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ANALISIS HASIL VALIDITAS BAHAN AJAR FISIKA MATERI PERUBAHAN IKLIM BERBASIS WEB 分析基于WEB的气候变化材料的物理有效性
Jambura Physics Journal Pub Date : 2022-10-11 DOI: 10.34312/jpj.v4i2.16366
Rahman Setiawan, Abdul Hakim, Z. Zulkarnaen
{"title":"ANALISIS HASIL VALIDITAS BAHAN AJAR FISIKA MATERI PERUBAHAN IKLIM BERBASIS WEB","authors":"Rahman Setiawan, Abdul Hakim, Z. Zulkarnaen","doi":"10.34312/jpj.v4i2.16366","DOIUrl":"https://doi.org/10.34312/jpj.v4i2.16366","url":null,"abstract":"","PeriodicalId":409952,"journal":{"name":"Jambura Physics Journal","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125230022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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