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PENGARUH VARIASI KUAT ARUS PADA PEMBUATAN VIRGIN COCONUT OIL (VCO) MENGGUNAKA…
Salah satu olahan buah kelapa yang sangat menjanjikan dan mempunyai peluang besar untuk dikembangkan adalah minyak kelapa murni atau Virgin Coconut Oi (VCO). Teknologi pembuatan VCO ada bermacam-macam, yaitu sentrifugasi, fermentasi, enzimatis dan pemompaan. Metode tersebut masih terdapat kelemahan yaitu rendemen yang dihasilkan masih rendah dan kualitas VCO kurang baik karena adanya kontaminan…
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- xv, 57 hlm.; Ilus.; 21 cm
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- T1262032023
PENGARUH JENIS PCA PADA PROSES PEMBUATAN KATALIS Cu2O-ZnO/C TERHADAP PERSENTA…
The electrochemical reduction process to produce methanol is carried out using Membrane Electrode Assembly (MEA) as the reaction center. The Cu2O-ZnO/C catalyst was used to make various electrodes with the addition of a process control agent (PCA). The characterization results using the Particle Size Analyzer (PSA) method found that the particle size of the catalyst using methanol PCA has a gre…
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- xvii,54 hlm.; Ilus.; 21 cm
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- T1250372023
SINTESIS KOMPOSIT BIOCHAR DARI SEKAM PADI DENGAN Fe3O4 UNTUK ADSORPSI ION FOSFAT
Kandungan fosfat di dalam air pada dasarnya tidak berbahaya apabila konsentrasinya tidak melebihi ambang batas. Namun, ion fosfat akan berbahaya dan dapat mencemari lingkungan perairan apabila konsentrasinya sudah melebihi nilai ambang batas. Salah satu metode untuk mengatasi permasalahan ini adalah dengan metode adsorpsi menggunakan biochar dari sekam padi yang dikompositkan dengan Fe3O4. Tuju…
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- xv, 47 hlm.; Ilus.; 21 cm
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- T1276302023
SINTESIS KOMPOSIT NANOPARTIKEL Fe3O4/SDS SEBAGAI ADSORBEN UNTUK MENGADSORPSI …
There has been investigation on the adsorption of the methylene blue dye using Fe3O4/SDS composites and Fe3O4 compounds. The coprecipitation process was used to create the adsorbent material. XRD, BET, VSM, and FTIR are used to characterize materials. The diffraction peaks of Fe3O4/SDS 1:1 and 2:1 are similar to JCPDS 65 - 3107 from Fe3O4. Fe3O4/SDS 1:1 and Fe3O4/SDS 2:1 have surface areas of 1…
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- xiv, 110 hlm.; Ilus.; 21 cm
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- T1265562023
PENENTUAN TEMPERATUR KALSINASI TERBAIK DALAM SINTESIS SILIKA ZIRKONIUM FOSFAT…
Diisopropil eter (DIPE) adalah lternative aditif oksigenat yang dapat meningkatkan kualitas bensin, meminimalkan emisi gas CO dan hidrokarbon selama pembakaran. Penelitian ini bertujuan untuk mensintesis katalis silika zirkonium fosfat dengan template EDTA untuk aplikasi dehidrasi isopropil alkohol menjadi diisopropil eter. Hasil XRD menunjukan bahwa pada variasi katalis silika zirkonium fosfat…
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- xvi, 48 hlm.; Ilus.; 21 cm
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- T1261992023
AKTIVITAS OKSIDA GRAFENA TERSULFONASI (S-GO) YANG DIPREPARASI DARI TEMPURUNG …
Tempurung kelapa merupakan sisa biomassa yang terdiri dari lignin, selulosa dan hemiselulosa, memiliki potensi sebagai bahan baku dalam sintesis oksida grafena tersulfonasi (S-GO). S-GO disintesis menggunakan metode Hummer dengan asam sulfat sebagai agen sulfonasi. Hasil sintesis meliputi grafit, oksida grafena, dan oksida grafena yang telah tersulfonasi. Karakterisasi FTIR digunakan untuk meng…
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- xx, 51 hlm.; Ilus.; 21 cm
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- T1262522023
MODEL TWO-STAGE ROBUST PENENTUAN LOKASI TEMPAT PENAMPUNGAN SEMENTARA SAMPAH D…
Penelitian ini membahas pengoptimalan lokasi Tempat Penampungan Sementara (TPS) sampah di Kecamatan Kemuning Kota Palembang. Permasalahan diselesaikan dengan memformulasikan model Set Covering yang meliputi Set Covering Location Problem (SCLP) dan p-Center Location Problem dan memformulasikan model Two-Stage Robust. Kecamatan Kemuning terdiri dari 6 Kelurahan dan 25 TPS sampah. Berdasarkan form…
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- xiii, 44 hlm.; Ilus.; 29 cm
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- T1072402023
UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAN FRAKSI DAUN KARDIA (BELLUCIA PEN…
Oxidative stress can cause degenerative diseases such as cancer, diabetes, heart disease and stroke, antioxidants are needed to overcome this. One of the Indonesian plants that has the potential as an antioxidant is cardia (Bellucia pentamera Naudin). Based on the results of the phytochemical screening, kardia leaves contain secondary metabolites which have pharmacological activity as antioxida…
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- xviii, 141 hlm.; Ilus.; 29 cm
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- T916512023
OPTIMASI DAN KARAKTERISASI FORMULA SEDIAAN TRANSETOSOM KLINDAMISIN HCL DENGAN…
Clindamycin HCl in conventional topical formulation has a problem in its formulation. It has low bioavalilability, just around 5-8% from total concentration that can be absorbed. In addition, clindamycin HCl also difficult to penetrate into stratum corneum of the skin while Propionibacterium acnes is a bacterium that resides in the sebaceous area of the skin. To overcome this problem, it is nec…
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- xviii, 83 hlm.; Ilus.; 29 cm
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- T1011082023
ANALISIS KONDISI TUTUPAN TERUMBU KARANG HIDUP DI PERAIRAN PANTAI SEBALANG KAB…
Rizky Ikhsan Syafaat. 08051381823077. Analisis Tutupan Terumbu Karang Hidup Pada Ekosistem Terumbu Karang Di Perairan Pantai Sebalang Kabupaten Lampung Selatan (Pembimbing : Dr. Muhammad Hendri, ST., M. Si dan Dr. Hartoni S. Pi., M. Si.) Penelitian mengenai kondisi tutupan terumbu karang yang terdapat di Pantai Sebalang, Lampung dilakukan dengan menggunakan metode UPT (Underwater Photo Transect…
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- xviii, 44 hlm.; Ilus.; 29 cm
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- T1235822023
FERMENTASI MOLASE TEBU MENGHASILKAN ETANOL MENGGUNAKAN Saccharomyces cerevisi…
Molase adalah substrat organik yang mengandung gula teridiri atas glukosa, sukrosa dan fruktosa dengan konsentrasi tinggi. Dengan demikian molase dapat difermentasi menghasilkan etanol oleh yeast Saccharomyces cerevisiae. Penggunaan yeast terimobilisasi dalam fermentasi dapat mempermudah proses pemisahan sel, penggunaan kembali sel, kepadatan sel yang lebih tinggi, aktivitas metabolisme yang le…
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- x, 50 hlm.; Ilus.; 21 cm
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- T938112023
PEMBUATAN KOMPOSIT BENTONIT-PDA-NiO UNTUK DEGRADASI FOTOKATALITIK ZAT WARNA M…
This research aims to produce a Bentonite-PDA-NiO composite which can be used as a photocatalyst to degrade Methylene Blue dye. The composite was made with a mass ratio of 1:1 and then characterized using XRD, SEM-EDX, and UV-Vis DRS. The photodegradation process of Methylene Blue was carried out by varying the initial dye concentration, time, and mass of the composite, as well as at certain pH…
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- xvi, 50 hlm.; Ilus.; 21 cm
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- T1254002023
TUTUPAN TERUMBU KARANG TIPE ACROPORA DAN NON-ACROPORA SERTA HUBUNGANNYA DENGA…
Coral reef ecosystems provide a variety of habitats for marine biota such as coral reef fish, thus making them one of the most diverse marine ecosystems. This study aims to analyze the condition of coral reefs (percentage cover), coral reef fish abundance, and the relationship between Acropora and non-Acropora coral types and the abundance of coral reef fish in Kelapa Dua water, Seribu Island. …
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- xx, 101 hlm.; Ilus.; 29 cm
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- T1263482023
APLIKASI ALGORITMA ANT COLONY OPTIMIZATION PADA VEHICLE ROUTING PROBLEM DALAM…
One of the problems that occur in the city of Palembang in the environmental sector is the waste problem. There are many factors that cause waste problems to occur, one of which is due to population growth that continues to occur. The highest number of residents in 2021 was in Sukarami sub-district and Ilir Barat I sub-district so that it has an impact on the accumulation of waste. One solution…
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- xx, 109 hlm.; Ilus.; 29 cm
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- T1271112023
ANALISIS DAERAH RAWAN BENCANA KEBAKARAN HUTAN DAN LAHAN DI KABUPATEN OGAN KOM…
Hotspot Point land cover conditions, soil type, elevation, and also rainfall which causes Ogan Komering Ilir Regency to have a high level of vulnerability to forest and land fires compared to other districts in South Sumatra. The purpose of this study is to compare forest and land fire prone maps based on the formulation of SSFFMP (South Sumatra Forest Fire Management Projects) and according to…
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- xiii, 75 hlm; Ilus.; 29 cm
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- T1058762023
MODIFIKASI TEPUNG BIJI DURIAN (Durio zibethinus Murr.) DAN PENENTUAN INDEKS P…
Biji durian memiliki kandungan pati yang dapat dimanfaatkan dalam bentuk pati resisten sebagai prebiotik. Penelitian ini dilakukan untuk memodifikasi tepung biji durian menjadi pati resisten (RS3). Analisis dilakukan terhadap tepung biji durian tanpa modifikasi dan modifikasi dengan fermentasi menggunakan L. plantarum dan 3 siklus autoclaving-cooling terhadap pertumbuhan L. bulgaricus. Karakter…
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- xvii, 108 hlm.; Ilus.; 29 cm
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- T1061262023
IDENTIFIKASI LITOLOGI BERDASARKAN DATA LOG DAN ANALISIS KUALITAS BATUBARA BER…
The quality of coal is a physical and chemical property of coal that can affect the potential value for its utilization and usefulness. To determine the quality of coal, a chemical analysis is carried out in the form of proximate analysis by taking into account the quality parameters to be produced. Determination of coal quality can be identified using the well logging method. Administratively,…
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- xv, 36 hlm.; Ilus.; 29 cm
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- T1058932023
KEMAMPUAN BIOKONVERSI LARVA LALAT TENTARA HITAM (HERMETIA ILLUCENS L.) DENGAN…
Much of Indonesia's organic waste is poorly utilized. Bioconversion using Hermetia illucens is an effort that can be made to reduce organic waste by 56%. The bionebulization ability of the black army fly (Hermetia illucens) depends largely on the density of the larvae, the quality and quantity of waste that is used as the source of its feed. A higher density of the larvae than that of the densi…
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- xix, 42 hlm.; Ilus.; 29 cm
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- T1034762023
METODE SAVING MATRIX UNTUK MODEL MIXED INTEGER LINEAR PROGRAMMING PADA PENENT…
Garbage is leftover material from household and industrial materials that have undergone several separation processes. Public awareness to carry out waste management is very low, so there needs to be a handling so that landfill does not occur which can cause negative impacts, such as floods, disease outbreaks and so on. This study discusses determining the shortest route for transporting waste …
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- xiii, 50 hlm.; Ilus.; 29 cm
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- T1266412023
PENYELESAIAN MODEL SET COVERING PROBLEM PENENTUAN LOKASI TEMPAT PENAMPUNGAN S…
Optimization the location of the temporary waste disposal site (TWDS) is an effort to reduce excessive landfilling in Alang – Alang Lebar District, Palembang City. This study determined the optimal TWDS in Alang – Alang Lebar District by formulating the Set Covering Problem (SCP) model which includes SCLP, MCLP, and p – Median Problem. Completion of the SCP model used the help of the LING…
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- xiv, 59 hlm.; Ilus.; 29 cm
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- T1073002023
ABSORPSI LOGAM BERAT Zn DAN Cr MENGGUNAKAN PURUN DANAU (Lepironia articulata …
Open-pit coal mining will encourage the oxidation of sulfide minerals, releasing sulfuric acid, which will drastically lower the pH. This occurrence is known as acid mine drainage. Acid Mine Drainage (AMD) has a low pH value and can easily dissolve heavy metals in water, such as Zn and Cr. Control of acid mine drainage needs to be done either during or after the mining process ends. Acid mine d…
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- xv, 66 hlm.; Ilus.;29 cm
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- T1112432023
ANALISIS KERAGAMAN GENETIK MANGROVE ASAL PULAU PAYUNG, SUMATERA SELATAN DAN S…
The vegetation that dominates Payung Island is the mangrove forest, because it is located at the mouth of the Musi River, where fresh water and sea water meet, so the surrounding salinity is quite high, where the mangrove forest is still well preserved. At the Payung Island location there are several types of mangroves including R.apiculata, Avicenia alba, A.marina, A.officinalis and K.candel, …
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- xx, 43 hlm.; Ilus.; 29 cm
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- T1134312023
PERANCANGAN ALAT UKUR PEMANTAUAN KUALITAS UDARA (CO&PM2.5) MENGGUNAKAN SENSOR…
Air quality has been declining due to environmental issues such as air pollution. Air pollution arises from human activities, particularly in the transportation sector, which can lead to health problems. This study aims to design and implement an air quality monitoring device using a microcontroller and the Arduino IDE programming language. The research methodology employed literature survey, h…
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- xiii, 42 hlm.; Ilus.; 29 cm
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- T1106252023
VARIASI GENETIK DAN HUBUNGAN KEKERABATAN LANSIUM DOMESTICUM CORR. SUMATERA SE…
Lansium domesticum Corr. or other names for duku and langsat are germplasm plants that have high economic value and have the potential, especially in South Sumatra, to become the mascot of flora in South Sumatra. In order not to lose these species, it is necessary to carry out a conservation effort with the aim of knowing the genetic variation and kinship of Lansium domesticum Corr. in South Su…
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- xiv, 37 hlm.; Ilus 29 cm
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- T1284722023
DESAIN NEUTRONIK TERAS SODIUM-COOLED FAST REACTOR (SFR) DENGAN BAHAN BAKAR UR…
SFR is a type of closed-fuel fast reactor that uses sodium or sodium as a coolant. Neutronic analysis of the geometry design of the Sodium-cooled Fast Reactor (SFR) core with 1000 MWTh Metallic Uranium fuel has been carried out so that the core design meets the criteria for neutronic parameters. The simulation was carried out using OpenMC software which has ENDF/B VIII.0 nuclear data library. T…
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- xvii, 56 hlm.; Ilus.; 29 cm
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- T1258402023
AKTIVITAS PREBIOTIK TEPUNG UBI JALAR UNGU (IPOMOEA BATATAS L.) TERHADAP LACTO…
Purple sweet potato flour contains oligosaccharide compounds in the form of raffinose, which can act as natural prebiotics. The research was conducted by analyzing the effect of purple sweet potato flour before modification and after modification with fermentation and high pressure temperature on the growth of L. plantarum using Design Expert. Flour quality standardization tests were carried ou…
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- xvii,118 hlm.; Ilus.; 29 cm
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- T920902023
HUBUNGAN KEKERABATAN BAKTERI DARI PERAIRAN MUARA SUNGAI MUSI SECARA MOLEKULER…
The dynamics of rapid changes in the estuarine environment are believed to potentially give rise to new and more diverse bacterial characteristics. These characteristics can be observed at the molecular level using RAPD molecular markers. RAPD markers are employed due to their simplicity and ease of implementation, as well as their ability to yield rapid results for assessing genetic diversity …
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- xvii, 76 hlm.; Ilus.; 29 cm
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- T1261252023
ANALISIS NEUTRONIK TERAS CANDLE GAS-COOLED FAST REACTOR (GFR) DENGAN BAHAN BA…
Penelitian ini melakukan analisis neutron pada teras reaktor CANDLE Gas-Cooled Fast Reactor (GFR) dengan bahan bakar uranium metalik (U-10%wtZr) Berbasis OpenMC. Analisis bertujuan untuk memahami distribusi fluks neutron dan laju reaksi fisi di teras reaktor. Hasil penelitian menunjukkan fluks neutron yang lebih tinggi pada zona bahan bakar starter akibat laju reaksi fisi yang lebih tinggi, sem…
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- xi, 40 hlm.; Ilus.; 29 cm
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- T1269002023
UJI TOKSISITAS SUBKRONIS FRAKSI ETIL ASETAT DAUN MELINJO (GNETUM GNEMON LINN.…
Daun melinjo memiliki aktivitas farmakologis sebagai antidiare, antihiperlipidemia, antidiabetes, antioksidan, dan diuretik. Tujuan penelitian ini untuk mengetahui toksisitas subkronis fraksi etil asetat daun melinjo terhadap tikus putih jantan galur Wistar. Pada penelitian ini dibagi menjadi 5 kelompok yaitu kelompok kontrol (Na-CMC 0,5%) dan 4 kelompok perlakuan yang terdiri dari dosis 40 mg/…
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- xix, 118 hlm.; Ilus.; 29 cm
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- T1057252023
PERBANDINGAN ALGORITMA DECISION TREE C4.5 DAN RANDOM FOREST PADA PREDIKSI RAT…
Technology company Apple Inc develops and distributes an operating system called iOS. To find apps on iOS, users need to download apps from a service called the Appstore. Users can provide feedback to rate the application in the form of a rating. The better the rating, the more interested the user will be in the application and will download the application, so analysis is needed. The data used…
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- i, 50 hlm.; Ilus.; 29 cm
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- T945882023
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