Reinforcing materials such as fiber; are most widely used to give new properties composites. This study investigates the effect of palm fiber (Arenga pinnata) volume fraction on physical and mechanical epoxy-based Composite specimens with 0% 2.5% fractions were fabricated, maintaining a uniform thickness 2 mm. The fabrication process involved extraction, mixing epoxy resin, controlled curing. assessed included density, porosity, water absorption, while testing tensile bending tests. results...

Abstract This paper reports a new strategy (rapid and selective microwave irradiation) to achieve an improved yield of graphene-like material derived from coconut shell biomass. The influence various irradiation (MWI) powers (80, 240, 400 W) treatment on the crystalline structures, morphology, electrochemical performance produced samples was determined compared with virgin-untreated specimen. obtained were analyzed using varied analytical techniques. FESEM images irradiated revealed...

Stunting menjadi salah satu masalah kesehatan Di Indonesia. Saat ini, Indonesia merupakan peringkat ke lima kejadian stunting pada balita di dunia. Indonesia, disebut kerdil, artinya ada gangguan pertumbuhan fisik dan otak anak.Prevalensi Jawa Tengah tergolong tinggi yaitu sebesar 33,6%,sedangkan data Puskesmas Ungaran 2017 mencatat prevalensi sekitar 6,14% dimana desa Candirejo memiliki 19 anak.Tujuan dilakukan kegiatan pengabdian ini adalah untuk mencegah angka Balita Desa Candirejo....

Bismuthate superconductor material has a transition from semiconductor/conductor to superconductor. Research on this temperature attracted many researchers' attention reveal material's superconducting properties. We synthesized the materials by solid-state reaction method. Samples were with variations in sintering and also Bi doping. And then analyzed crystal structure XRD, morphology was SEM, electrical properties using resistivity versus measurement. Based SEM results, there no significant...

Effect of milling time on the microstructures nano-sized chitosan was investigate is objective this work. Variations times were used 0,120 and 180 minutes as indicated by CH0, CH120 CH180. For as-prepared CH0. The FTIR results showed that there are not clearly different function groups after ball treatment. average crystallite size 20 nm. process can decrease crystalline size, but significantly to increase Polydispersity Index. XRD changed did change chemical structure. It could be concluded...

Anak usia sekolah merupakan generasi penerus bangsa di masa yang akan datang,guna menjadi tumpuan kualitas suatu bangsa. mempunyai kebiasaan untuk jajanwaktu selesai. Perilaku jajan anak berpengaruh terhadap kesehatannya. Sementara,anak sering korban karena belum memiliki pengetahuan cukup tentang jajanan yangaman dan sehat. Tujuan penelitian mengetahui hubungan antara sikapdengan perilaku siswa memilih sehat SD Negeri Jatiwaringin X Kota Bekasi. MetodePenelitian ini menggunakan deskriptif...

Kasus kekurangan gizi atau buruk pada balita menyebar hampir di seluruh provinsi yang ada Indonesia. Provinsi Sulawesi Barat merupakan salah satu memiliki nilai persentase balita, sehingga dari faktor-faktor mempengaruhi sangat penting untuk dilakukan dalam pengklasifikasian. Data digunakan adalah data Puskesmas Salissingan Tahun 2018. Penelitian ini bertujuan melakukan pengklasifikasian dan mendapatkan metode terbaik (gizi baik & kurang) dengan support vector machine (SVM) artificial...

Natural product-based noise-absorbing composite can be an alternative to replace synthetic fiber because of its advantages high strength, toughness, low price, and abundance reduce noise. The materials used were pineapple leaf fibers with paper waste. This research aims study the advantage natural products noise by analyzing coefficient sound absorption impact strength evaluate absorbing composite. composites tested Charpy method ISO 11654 standard ASTM E23 for strength. Sound was carried...

The current energy condition is getting thinner meanwhile people's daily lives still use a lot of derived from fossil fuels so that its increasing with limited availability. An alternative to reduce the by utilizing waste biomass as an source one them briquetts. This study aims analyze characteristics briquettes variety briquette mixtures made coconut shells, rice husks, and bagasse. method used survey experimental. sampling shells was carried out in Seberang Ulu I area, husks Pegayut...

This research was conducted based on the results of observations and concerns experienced by community. Stunting is one focus problems in Cipinang village which influences children's development as efforts to optimize stunting prevention take form child health nutrition counseling through community service activities. The method uses a Participatory Action Research (PAR) approach design. Starting with observing problem, interpreting analyzing it, then action taken alleviate society. Based...

One way to decompose the pond waste sediment is use liquid nutrient culture media (NB) called Pumakkal as a starter formula. However, bioremediation in shrimp ponds paid less attention despite being massively promoted by official government. East Lampung produced 11.6 million m3 of and 4.077 rich organic matter. they will poison if are unchecked. This study investigated how decomposed with three parameters: macronutrients, micronutrients, pH. The employed laboratory experiments, research was...

Stunting is a problem that needs special attention. The result of stunting can cause growth and development to be inhibited. One the efforts reduce incidence baby massage. purpose this activity provide an overview massage procedure. method used health counselling with demonstration procedures. target mothers who have toddlers. stages carried out include providing material about followed by At evaluation stage, participants demonstrated had been taught. was 90% could explain demonstrate...

Hydroxyapatite (HAp) powder, one of the biomaterials derived from natural sources, could be used in biomedical applications. In this research, synthesized-HAp powder Anadara Granosa shells as raw materials had a high calcium carbonate content with variations deposition time using precipitation method. Variations were 0 (S0), 24 (S24), and 48 (S48) hours. Fourier Transform Infrared (FTIR), X-Ray Diffractions (XRD), Scanning Electron Microscopy (SEM) to investigate chemical structure, phase...

SMP Negeri 3 Selat is located in Duda Utara, District, Karangasem Regency, Bali Province, Indonesia. Situational analysis shows that most teachers have not utilized artificial intelligence (AI) technology optimally education. In fact, has the potential to help teachers' work improving quality of learning. The purpose this study was see effectiveness training and mentoring activities teacher knowledge about AI its utilization, as well skills utilizing for compiling learning administration;...

Secondary battery solid electrolytes attract researchers' attention for being one of the components anode and cathode separation in batteries. Currently, on market are liquid-based, which have weaknesses their safety not environmentally friendly. Solid-based can be a good choice since they excel stability mechanical electrical properties; however, still disadvantage low conductivity values (~10-4 - 10-6 S/cm), thus requiring modification. The modification using chitosan done by adding other...

Teknologi pada zaman modern semakin berkembang dan terus berinovasi sehingga dapat mempermudah pekerjaan manusia. Salah satu teknologi yang manusia adalah ayunan bayi otomatis. Ayunan ada saat ini masih digunakan secara konvensional atau memanfaatkan tenaga Pada penelitian dirancang otomatis memudahkan ibu memantau kondisi dari jarak jauh s melakukan lain. menggunakan sebagai pendeteksi suara tangisan sensor PIR gerakan dengan mikrokontroler Arduino Uno pengendali aplikasi android untuk...

The price of cryptocurrencies such as Ethereum often experiences high fluctuations and is difficult to predict. This study aims predict prices using the Extreme Learning Machine (ELM) algorithm which a fast efficient machine learning method. data collected from CoinMarketCap by scraping CoinmarketCap Scraper cryptocmd library Python. An ELM model built changing number hidden nodes determine optimal prediction based on smallest average MAPE. Model performance was evaluated mean absolute...

Abstract Production of high-quality graphene at a commercial scale with low cost remains challenging. Thus, we used high-energy ball milling approach to make reduced oxide (rGO) from activated rice husk charcoal as an enriched carbon source. The as-produced rGO samples were characterized determine the effect various times (0, 50, 100, 150, and 200 min) on their structure, morphology, specific surface area, pores volume, size distribution. variation in was found introduce structural defects...

Synthesis and testing of chitosan/PEG4000 solid electrolyte polymer membrane with LiCF 3 SO salt as a surfactant was carried out to determine crystalline size type structure using X-Ray Diffraction (XRD) dielectric constant Electrochemical Impedance Spectroscopy (EIS). The manufacture the solution casting method. samples used in XRD EIS tests were form membranes chitosan, salt. test showed that chitosan/PEG4000, experienced 2θ angle shift formed semicrystalline phase. peak intensity increase...

The designs of Beam Shaping Assembly (BSA) for moderating fast neutron into epithermal have been conducted. Some BSA models that are previously developed still having problems in generating neutron. Instead, we propose double layer beam shaping assembly (DLBSA) to produce Optimization the Double Layer design was carried out using genetic algorithm (AG) method MCNPX and verified Particle Heavy Ion Transport code System (PHITS). optimization resulted four configurations up 21st generation...

Endophytes are a potent source of bioactive compounds that mimic plant-based metabolites. Fungi Fusarium spp. and Clonostachys rosea have been identified as pathogenic microorganisms in ramie (Boehmeria nivea). The antifungal test was carried out using the diffusion method MIC50 Minimum Fungicidal Concentration (MFC) values tested microbial pathogens were solani isolate 3248941, F. Colpat-359, oxysporum N-61-2, dan strain B3042. Identification secondary metabolites extract GC-MS....

This study discusses the problem, namely process of determining type anesthesia for patients before carrying out surgery. In appropriate based on conditions experienced by patient, generally anesthesiologists or still use common method, conducting interviews related to symptoms is carried who will be operated on. Then anesthesiologist write down results interview in form a written report and adjust with existing guidelines. And this certainly take more time adjusting patient's that given....

Kebakaran salah satu bencana yang mungkin saja terjadi sehingga menghanguskan atau membakar segala barang serta sesuatu kita miliki. Keterlambatan dalam penanganan dapat mengakibatkan kerugian baik itu jiwa ataupun materi. Solusi untuk mengatasi permasalahan tersebut adalah dengan membangun sebuah sistem deteksi dini kebakaran mengirim informasi kepada seseorang agar ditangani cepat. Metode penelitian digunakan yaitu eksperimen dimana langsung di uji coba. Eksperimen dilakukan terhadap...