bluuebunny/crossref_metadata_2025_split huggingface dataset:
Perbandingan Berbagai Model Matematika Pada Pengeringan Lapisan Tipis Belimbing Wuluh (Averrhoa bilimbi)
Authors: Andrea Rival , Agustina Raida , Nasution Indera Sakti 
Published: May 2020

Abstract : Belimbing wuluh merupakan salah satu tanaman buah asli Indonesia dan daratan Malaya.Belimbing wuluh (Averrhoa bilimbi) banyak ditemui sebagai tanaman pekarangan yang mudah ditanam dan tidak memerlukan perawatan khusus.Tujuan dari penelitian ini adalah menentukan model matematika pada pengeringan lapisan tipis belimbing wuluh yang terbaik menggunakan beberapa persamaan. Penelitian ini dilakukan dengan menggunakan perhitungan kadar air belimbing wuluh,perhitunganMoisture Ratio dan perhitungan persamaan model matematika, Newton, HendersonPabis, Page, Modified page, Logarithmic, Modified Hederson Pabis menggunakan Excel. Hasil penelitian menunjukkan bahwa terdapat perbedaan keenam jenis model matematika pada pengeringan lapisan tipis belimbing wuluh dengan model Newton, Henderson and Pabis, Page, Modified page, Logarithmic, Modified Hederson Pabis. Berdasarkan analisis didapat model terbaik pada pengeringan belimbing wuluh belah dua bagian yaitu model Page. Dari data pengamatan dengan prediksi model Page yang di dapat untuk belimbing wuluh belah dua bagian diperoleh nilai koefisien determinasi sebesar 0,9849 suhu 40°C, 0,9824 suhu 50°C, dan 0,9807 pada suhu 60°C. Data pengamatan dengan prediksi model Henderson and Pabis yang di dapat untuk belimbing wuluh utuh diperoleh nilai koefisien determinasi MR prediksi sebesar 0,9696 suhu 40°C, 0,9176 suhu 50°C, dan 0,9727 pada suhu 60°C. Comparison of Various Mathematical Models in Drying Thin Layer of BilimbiAbstract : Carambola Wuluh is one of the native fruit plants of Indonesia and the mainland of Malaya. Bilimbi (Averrhoa bilimbi) is commonly found as a garden plant that is easily planted and does not require special care. The purpose of this study is to determine the mathematical model in drying the best thin layer of bilimb using several equations. This research was carried out by calculating the water content of bilimbi, calculating the Moisture Ratio and calculating the equations of mathematical models, Newton, Henderson Pabis, Page, Modified page, Logarithmic, Modified Hederson Pabis using Excel. The results showed that there were differences in the six types of mathematical models in drying thin layers of bilimbi with Newton, Henderson and Pabis models, Page, Modified pages, Logarithmic, Modified Hederson Pabis. Based on the analysis, the best model was obtained in the drying of the two-part bilimi, the Page model. From the observational data with the prediction of Page models obtained for the two-part bilimbi obtained the value of the coefficient of determination is 0.9849 at 40 ° C, 0.9824 at 50 ° C, and 0.9807 at 60 ° C. Observation data with predictions of the Henderson and Pabis model obtained for whole bilimbi obtained the predictive value of the MR coefficient of 0.9696 at 40 ° C, 0.9176 at 50 ° C, and 0.9727 at 60 ° C.
Teknik Pengomposan Limbah Pelepah Sawit Dengan Mengunakan Aerobic Inoculum Manure Sapi
Authors: Taruna Hafit Razeki , Bulan Ramayanty Bulan , Darwin Darwin 
Published: May 2020

Abstrak. penelitian ini bertujuan untuk pengomposan limbah sawit dengan menggunakan aerobik inokulum manure sapi. Hasil cacahan pelepah sawit kemudian di campurkan dengan mengunakan manure sapi dan menghitung kadar air pelepah, dengan suhu 105 °C, total solid,analisis NPK,kadar abu dan analisis nilai pH.Proses pengomposan dilakukan selama 20 hari,yaitu pda tanggal 27 juli sampai tanggal 17 agustus 2018 di labaratorium teknik pertanian Universitas Syiah Kuala. Pengomposan dilakukan dengan proses pencacahan pelepah sawit dan kemudian pelepah yang telah disimpan 3, 5, 7, 9 hari setelah dipotong dari tanaman sawit daerah. Kecamatan Arongan Lambalek, pelepah dengan campuran manure dimasukkan dalam drum dengan 5 kg pelepah, dalam satu drum. Hasil pencacahan pelepah sawit 5, 10, 15 tahun umur pelepah yang telah dimasukkan 10% manure sapi, sebelum proses pengomposan dilakukan terlebih dulu proses inoculum.Palm oil Front Composting Techniques Using Aerobic Inoculum Manure From CowsAbstract. This study aims to make palm oil waste compost using aerobic inoculum of cow dung. The results of chopped palm leaves are then mixed using cow dung and calculates the water content of the midrib, with a temperature of 105 ° C, total solids, NPK analysis, ash content and pH value analysis. The composting process is carried out for 20 days, namely on July 27 starting August 17, 2018 in the agricultural engineering laboratory of Syiah Kuala University. Composting is done by the process of counting palm leaves and then leaves that have been opened 3, 5, 7, 9 days after being cut from regional oil palm plantations. In the Regency of Arongan Lambalek, a midrib with a fertilizer mixture is put into a drum with a midrib of 5 kg, in one drum. The results of the calculation of oil palm leaves are 5, 10, 15 years, the age of the midrib which includes 10% cow dung, before the composting process is carried out before the inoculum process.
Pengembangan Metode Klasifikasi Biji Kopi Beras Arabika Gayo dan Robusta Gayo dengan Metode PCA (Principal Component Analysis) Berdasarkan Pengolahannya
Authors: Febriyansyah Ilka Agusti , Fadhil Rahmat , Zulfahrizal Zulfahrizal 
Published: May 2020

Abstrak. Kopi merupakan salah satu tanaman yang telah banyak dibudidayakan karena memiliki manfaat dan memiliki nilai jual yang cukup tinggi. Pengolahan kopi secara basah dapat dilakukan dengan dua cara yaitu dengan cara basah (full wash) dan semi basah (semi wash). Secara visual sulit mengidentifikasi perbedaan dari biji kopi beras robusta proses basah (full wash) dengan kopi semi basah (semi wash). Tujuan yang ingin dicapai dalam penelitian ini adalah untuk membangun metode klasifikasi kopi Arabika Gayo dan Robusta Gayo dalam bentuk biji kopi beras menggunakan pengolahan basah (full wash) dan pengolahan semi basah (semi wash). Bahan yang digunakan dalam penelitian ini biji kopi beras Arabika dan Robusta dari tanah Gayo. Penelitian ini menggunakan Principal Component Analysis (PCA) sebagai metode pengolah data spektrum. Pengukuran spektrum kopi menggunakan Self developed FT-IR IPTEK T-1516. Panjang gelombang yang digunakan pada penelitian ini antara 1000-2500 nm dengan interval 0.4 nm. Data spektrum diolah menggunakan unscrambler software® X version 10.1. Hasil penelitian menunjukkan bahwa NIRS dengan metode PCA juga mampu mengklasifikasikan biji kopi beras full wash dengan semi wash pada biji kopi Arabika dan Robusta dimana zat dominan pembeda adalah asam amino dan lemak.Development of Gayo Arabica and Robusta Gayo Arabica Coffee Bean Classification Methods with PCA( Principal Component Analysis) Method Based on ProcessingAbstract. Coffee is a plant that has been widely cultivated because it has benefits and has a high selling value. Wet coffee processing can be done in two ways, namely by means of wet (full wash) and semi-wet (semi wash). It is visually difficult to identify the difference between the wet process robusta coffee beans (full wash) and semi-wash coffee. The aim of this research is to develop a method of classifying Arabica Gayo and Robusta Gayo coffee in the form of rice coffee beans using wet wash (full wash) and semi wash. The material used in this study was Arabica and Robusta rice coffee beans from Gayo soil. This study uses Principal Component Analysis (PCA) as a method for processing spectrum data. The measurement of coffee spectrum uses Self-developed FT-IR IPTEK T-1516. Wavelengths used in this study are between 1000-2500 nm with 0.4 nm intervals. Spectrum data are processed using unscrambler software® X version 10.1. The results showed that NIRS with PCA method was also able to classify full wash coffee beans with semi wash in Arabica and Robusta coffee beans where the dominant differentiating substances were amino acids and fats.
Karakteristik Fisik dan Kimia Konsentrat Protein Kerang Darah (Anadara granosa)
Authors: Sari N. Ira , Edison Edison , Nor M. Lahmudin 
Published: May 2020

Penelitian ini bertujuan untuk mengetahui karakteristik fisik dan kimia konsentrat protein kerang darah dengan menggunakan bagian tubuh yang berbeda. Metode yang digunakan dalam penelitian ini adalah eksperimen yaitu melakukan pembuatan konsentrat protein kerang darah dengan menggunakan bagian tubuh kerang darah berbeda. Rancangan yang digunakan adalah rancangan acak lengkap (RAL), non faktorial dengan 3 taraf perlakuan yaitu A1 (menggunakan daging kerang yang di buang isi perut dan mantel), A2 (menggunakan daging kerang yang di buang isi perut), A3 (menggunakan daging kerang utuh). Berdasarkan hasil uji mutu organoleptik perlakuan terbaik adalah A1 (bagian daging yang di buang isi perut dan mantel) dengan krakteristik warna kuning keemasan, aroma sedikit bau kerang darah, dan tekstur agak halus dan lembut. Sedangan hasil uji kimia perlakuan terbaik pada A3 (daging kerang utuh), dengan kadar air (7,96%), protein (78,06%), lemak (0,27%), abu (5,11%).
Rancang Bangun Pompa Sistem Wheel Spiral untuk Skala Kecil
Authors: Arlius Feri , Ekaputra Eri Gas , Yanti Delvi 
Published: May 2020

Abstrak. Kebutuhan air semakin meningkat, maka air dari sisi ketersediaan perlu dikelola serta diatur sesuai dengan kebutuhan, sehingga air dapat dimanfaatkan dan didistribusikan jika diperlukan. Salah satu permasalahan yang mendasar di Indonesia pada sektor pertanian adalah ketersediaan air. Air terbatas dalam jumlah dan waktu juga ruang serta letak sumber air yang lebih rendah dari lahan pertanian. Terkait tingginya kebutuhan air tersebut, pemanfaatan teknologi yang mampu mengangkat dan mengalirkan air dari sumbernya ke lahan-lahan pertanian serta hunian penduduk sangat dibutuhkan, salah satu teknologinya adalah pompa. Penelitian ini bertujuan untuk melakukan rancang bangun pompa sistem wheel spiral sebagai inovasi untuk irigasi.Pengujian dilakukan 3 kali ulangan dengan lama waktu 1 jam dengan RPM 6,917 ± 7,83, kecepatan sudut 0,72 ± 0,77, daya poros 0,25 ± 0,27 Watt, debit air tertampung 0,0001533 ±0,0001732 m3/s, energi kinetik 0,36 ± 0,42 Watt, dan rata-rata efisiensi pompa 67,85 %. Tinggi maksimum pengeluaran yang dapat dicapai oleh pompa adalah 1,52 m. Pompa ini bisa menaikkan air lebih tinggi dari sudu-sudu tertinggi pada kincir serta efisiensi yang dihasilkan cukup besar sehingga dapat digunakan untuk mengairi lahan yang berada diatas sumber air. Design Of Pump With Spiral Wheel System For Small ScaleAbstract. The needs of water is always increase, the available water have to manage and control by human as a needed. Water can be used and distributed if it needs. One of the basic water’s problem in agriculture sector is the field capacity of water. Water is limited in quantity, naut and the water position is lower than the land. Thinking about the high need of water, it is important to use technology to rise and distribute the water from the reservoir to lands and also to living live. One of the technology is pump. This research was conducted to design a pump without machine as a new invention for irrigation. This research is about one hour with 3 times repeatation RPM 6,917 ± 7,83, angle velocity 0,72 ± 0,77, axis power 0,25 ± 0,27 Watt, accomodated rate of flow 0,0001533 ± 0,0001732 m3/s, kinetic energy 0,36 ± 0,42 Watt, and rate of pump efficiency 67,85%. The maximum high of output can reached by the pump is 1.52 m. This pump can rise water higher than the highest goosebeak on waterwheel and the efficiency is highest than the waterwheel. So, it can be used to irrigate the lands that position is above the water.
Kandungan Flavonoid dan Aktivitas Antioksidan Ekstrak Pleurotus ostreatus
Authors: Dewi Shinta Rosalia , Argo Bambang Dwi , Ulya Naily 
Published: May 2020

Abstrak. Flavonoid merupakan senyawa fenolik yang banyak diisolasi dari tanaman karena manfaatnya sebagai antioksidan, anti mikroba, dan antikanker. Sebagai antioksidan, flavonoid dapat menangkap radikal bebas yang dapat merusak sel tubuh. Oleh karena itu, kandungan total flavonoid (TFC) dan aktivitas antioksidan (IC50) ekstrak jamur Pleurotus ostreatus penting untuk diteliti. Flavonoid diekstrak menggunakan metode Microwave-Assisted Extraction (MAE) dengan variasi waktu ekstraksi (2, 3, dan 4 menit) dan variasi rasio antara jamur dan pelarut (1:30, 1:35, dan 1:40). Kandungan flavonoid dianalisis dengan metode kolorimetri menggunakan alumunium klorida, sedangkan aktivitas antioksidan ditentukan dengan metode DPPH. Hasil penelitian menunjukkan bahwa semakin lama waktu ekstraksi, semakin tinggi TFC dan aktivitas antioksidan. Kandungan flavonoid tertinggi diperoleh pada perlakuan waktu ekstraksi 4 menit dan rasio jamur:pelarut 1:30, yaitu sebesar 1,53 mg QE/ g dw dengan nilai IC50 sebesar 14,66 mg/ml. Flavonoid Content and Antioxidant Activity of Pleurotus ostreatus Extract Abstract. Flavonoids-phenolic substances- are isolated from plant due to their benefits as an antioxidant, an antimicrobial, and an anticancer. As an antioxidant, flavonoids can scavenge free radicals that damage body cells. In this study, the total flavonoid content (TFC) and its antioxidant activity (IC50) of Pleurotus ostreatus -an oyster mushroom- extract were investigated. The flavonoid was extracted by using Microwave-assisted Extraction (MAE) at different of extraction time (2, 3, and 4 minutes) and ratio of P.ostreatus and solvent (1:30, 1:35 and 1:40). The flavonoid contents were determined by alumunium chloride colorimetric method whereas the antioxidant activity was determined by DPPH method. The results revealed that the higher extraction time, the higher TFC and antioxidant activity, where the highest TFC was obtained at 4 minutes extraction with ratio of P.ostreatus and solvent of 1:30. The highest TFC of P.ostreatus extract was 1.53 mg QE/ g dw with antioxidant activity (IC50) of 14.66 mg/ml.
Pengembangan Minyak Nilam Sebagai Aromaterapi Dan Potensinya Sebagai Produk Obat
Authors: Ermaya Dewi , Patria Anshar , Hidayat Fadlan , Razi Fachrul 
Published: May 2020

Abstrak. Aromaterapi adalah suatu bentuk terapi atau pengobatan menggunakan bahan tanaman volatil, yang bertujuan untuk mengatur fungsi kognitif, mood, dan kesehatan. Tanaman volatil dikenal juga minyak atsiri. Minyak atsiri biasa diperoleh dari tanaman dengan berbagai cara yang berbeda-beda seperti ekstraksi, penyulingan dan distilasi fraksinasi. Salah satu minyak atsiri adalah minyak nilam. Kandungan minyak nilam yang utama yaitu patchouli alcohol (40-50%) digunakan sebagai bahan baku, bahan pencampur dan fixative (pengikat wangi-wangian) dalam industri parfum, kosmetik, dan obat-obatan. Pengembangan minyak atsiri sebagai aromaterapi perlu dilakukan sebagai upaya peningkatan pemanfaatan dari produk minyak atsiri. Komponen aroma dari minyak atsiri cepat berinteraksi saat dihirup. Penelitian ini dilakukan untuk mengukur aktifitas lokomotor pada mencit untuk melihat efek yang ditimbulkan setelah di inhalasi dengan minyak nilam. Hasil menunjukkan adanya penurunan aktifitas setelah diinhalasi dengan minyak nilam. Ini menunjukkan minyak nilam memberikan efek depresi sistem syaraf pusat terhadap mencit. Persentase penurunan aktifitas gerak terbesar pada dosis 0,5 ml.Development of Patchouli Oil as Aromatherapy and Its Potential as Medicinal ProductsAbstract. Aromatherapy is a form of therapy or treatment using material from a volatile plant, intended to regulate cognitive, mood, and health function. Volati is also known for essential oil. Essential oil is often obtained from plants in various ways such as extraction, distillation and distillation of fractures. One essential oil is patchouli oil. The primary patchouli oil content is alcohol (40-50%), which is used as a ingredient, mixative and fixative in the perfume, cosmetics, and drugs industry. Commercial loans grew by 14 percent to RPM from the same period last year. Essential oil scent components must interact quickly when inhaled. The study was done to measure the locomotive activities of er er er to see the effect that was caused after inhalation with patouli oil. Results indicate a decrease in activity following inhalation with sapphire oil. This suggests patchouli oil, giving a depressed effect of the central nervous system on chiming. It's the largest drop in activity at a 0.5 ml dose.
Simulasi Model Aliran Fluida Dan Kebutuhan Daya Pompa Pada Sistem Hidrodinamika
Authors: Syahrul Syahrul , Mechram Siti , Satrio Purwana , Munawar Agus A. 
Published: May 2020

Abstrak. Sistem hidrodinamika merupakan suatu kesatuan sistem dimana di dalamnya terdapat air yang mengalir dari suatu tempat ke tempat lain dimana tempat tersebut bisa berupa tangki, bak atau tempat penampungan lain. Sistem ini banyak diterapkan di bendungan, saluran-saluran irigasi, industri air minum dan bahkan industri-industri pengolahan pangan dan hasil pertanian. Para ilmuwan dan insinyur mempelajari sistem ini untuk menganalisa perubahan energi yang terjadi di sepanjang pipa akibat friksi di sepanjang pipa, katup, belokan, keran, dan perubahan diameter pipa. Tujuan utama dari studi ini adalah untuk membangun sistem model simulasi dalam program Visual Basic yang dapat digunakan untuk menganalisa karakteristik fluida dan menghitung kebutuhan daya pompa yang optimum pada sistem. Hasil studi menunjukkan bahwa sistem yang dibangun dapat menganalisa sistem hidrodinamika dengan cepat dan akurasi simulasi mencapai 0.99, 1 dan 0.99 untuk analisa bilangan Reynold, head loss, dan daya pompa yang diperlukan sistem. Modeling Simulation To Determine Fluids Flow And Power Requirement In Hydrodynamic System Abstract. Hydrodynamic system is a whole system where the water as the fluid is flow through pipe from a reservoir to another. This system can be find in an irrigation channels, water supply industries and even though in food processing industries. Scientist and engineers were analyze this system especially in head loss which caused by the friction in pipes, valves, elbows, joints and change of pipe areas. The objective of this study is to build a simulation program in microsoft visual basic which can be use to analyze and compute fluids flow characteristic and the required power pump. The result shows that hydrodynamic simulation program can analyze the system fastly and from the regression analyzes were given a high values for coefficient of correlation (r) whereas 0.9995 for reynold number prediction, 1 and 0.9972 both for system head loss and power requirement prediction respectively.
Zasada kontradyktoryjności procesu o nieważność małżeństwa na tle zasady salus animarum oraz zasady prawdy
Authors: Andrzejewski Maciej 
Published: May 2020

W artykule ukazane zostało znaczenie zasad: salus animarum, prawdy oraz kontradyktoryjności dla procesu o nieważność małżeństwa. Z przeprowadzonej analizy wynika, iż zasada salus animarum określa nadprzyrodzony cel prawa kanonicznego, dlatego wszystkie zasady procesu o nieważność muszą być jej podporządkowane. Zasada prawdy jest kluczową zasadą procesu o nieważność małżeństwa, do poszukiwania której zobowiązani są wszyscy uczestnicy iudicium. Sposobem zaś ukazania prawdy o małżeństwie jest oparcie procesu na wartościach wynikających z zasady kontradyktoryjności.
Different faces of old age as perceived by the students of Polish studies
Authors: Gajak-Toczek Małgorzata 
Published: May 2020

The aim of the article Different faces of old age as perceived by the students of Polish studies is to present how old teachers perceive old age. The exemplification material consists of three texts: Winter tale. An essay on the old age of Ryszard Przybylski, “The Old Man’s Route”. An attempt at old age politics by Tadeusz Sławek and Lala Jacek Dehnel. Hermeneutical reading allowed for the creation of several images of autumn of life: a painful, marked by suffering attempts to overcome and suffering in a creative act; old age as a possibility of a deeper look at the spiritual dimension of human existence and old age reconciled with the laws of transiting the events immersed in the act of memorization.
Sentiment Analysis for Customer Review: Case Study of GO-JEK Expansion
Authors: Prananda Alifia Revan , Thalib Irfandy 
Published: May 2020

Background: Market prediction is an important thing that needs to be analyzed deeply. Business intelligence becomes an important analysis procedure for analyzing the market demand and satisfaction. Since business intelligence needs a deep analysis, sentiment analysis becomes a powerful algorithm for analyzing customer review regarding to the business intelligence analysis.Objective: In this study, we perform a sentiment analysis for identifying the business intelligence analysis in GO-JEK.Methods: We use Twitter posts collected from the Twint library which consists of 3111 tweets. Since the dataset did not provide a ground truth, we perform Microsoft Text Analytic for determining positive, neutral, and negative sentiment. Before applying Microsoft Text Analytic, we conduct a pre-processing step to remove the unwanted data such as duplicate tweets, image, website address, etc.Results: According to the Microsoft Text Analytic, the results are 666 positive sentiment numbers, 2055 neutral sentiment numbers, and 127 negative sentiment numbers.Conclusion: According to these results, we conclude that most GO-JEK customers are satisfied with the GO-JEK services. In this research, we also develop classification model to predict the sentiment analysis of new data. We use some classifier algorithms such as Decision Tree, Naïve Bayes, Support Vector Machine and Neural Network. In the result, the system shows that the decision tree provides the best performance.
The Determinants of Diarrhea Disease Incidence in Densely Populated Area of West Nusa Tenggara, Indonesia
Authors: Wijayanti Siwi Pramatama Mars , Sidik Muhamad , Iqbal Achmad 
Published: May 2020

Introduction: Diarrhoea due to water borne diseases is still prevalent in Indonesia and this environmental health problem could triggered outbreaks in multiple regions. Objectives: The aim of this study was to determine the correlation of environmental factors, behavior and quality of water to the incidence of diarrhea in densely populated settlements in Rasanae Barat District, Bima City. Method: This study used cross sectional design and the data was obtained by survey and interview using questionnaire. The population in the study was all residents who lived permanently in the Rasanae Barat District of Bima City. The sample size is 192 which determined by formula for testing the proportion of a single population. Variables of this study were environmental factors (distance of clean water facilities with latrines (septic tanks) and waste bins facilities), behavioral factors (knowledge, and attitude) and water quality (total coliform). Data analysis was carried out includes univariate, bivariate by chi-square statistical test. and multivariate analysis by multiple logistic regression. Results and Discussion: Based on the results of the study, it showed that the variables associated with the incidence of diarrhea were water quality (total coliform) (p=0,000), and knowledge (p= 0.003). Conclusion: Since the variables that have significant association to diarrhea were water quality and knowledge, so it is important for community to build septic tank with requirement standard to overcome the land limitation. Health institution also need to conduct periodic water quality checks and also increase community knowledge about water quality and diarrhea prevention. This study could provide valuable input for diarrhea prevention and control program.