Undergraduate Theses
Undergraduate Theses
Recently added
Now showing items 41-60 of 1083
-
Uji Kandungan Fisikokimia Teh Cascara dengan Metode Pengeringan Sun-Dried, Oven, dan Hybrid
(Universitas Sumatera Utara, 2025)As global coffee demand increases, the coffee pulp waste also increases, considering that 45% of the coffee cherry consist of the pulp. This study utilized coffee pulp waste with different processing methods (full-wash ... -
Pengaruh Metode Pengolahan Kulit Kopi Arabika dan Suhu Pengeringan Terhadap Karakteristik Teh Cascara
(Universitas Sumatera Utara, 2025)Arabica coffee is one of the most widely developed coffee types with more desirable characteristics. Cascara, which is a by-product of arabica coffee in the form of herbal tea, also has special characteristics. The study ... -
Modifikasi Alat Pencetak Briket dengan Penambahan Tuas Manual
(Universitas Sumatera Utara, 2025)Waste management has great potential that can be used as a renewable natural resource through a series of recycling processes or energy conversion that can reduce human dependence on natural resources and can also ... -
Uji Kinerja Pirolisator Sistem Multiple Condenser Biomassa Kulit Buah Nipah (Nypa fruticans W.)
(Universitas Sumatera Utara, 2025)The increasing demand for environmentally friendly energy has accelerated the development of alternative biomass-based technologies, one of which is the pyrolysis of Nypa fruit husk (Nypa fruticans W.) into liquid ... -
Rancang Bangun Alat Pengering Biji-bijian dengan Sistem Aliran Bertingkat (Multilevel Flow)
(Universitas Sumatera Utara, 2025)Grain is an important commodity in agriculture that requires proper post- harvest handling, especially in the drying process. Grain drying aims to reduce the moisture content to a level that is safe for storage and further ... -
Rancang Bangun Alat Pengering Kopi Kolektor Surya dengan Reflektor Tipe Parabola
(Universitas Sumatera Utara, 2025)The demand for coffee in Indonesia is increasing, this happens due to changes in consumption behavior by the public. Behind the large demand for the coffee, the obstacle that is currently experienced is the coffee ... -
Uji Pengaruh Konsentrasi Biosolar Berbahan Aditif Minyak Kayu Putih terhadap Kinerja Motor Bakar Diesel
(Universitas Sumatera Utara, 2025)The increasing use of agricultural mechanization, and the increasing need for fossil fuels. And the depletion of fossil fuel reserves from petroleum over time. With these problems, alternative fuels from vegetable oil ... -
Pengaruh Tingkat Pemberian Air dengan Fertigasi Tetes pada Media Tanam Cocopeat terhadap Pertumbuhan Tanaman Cabai Merah Keriting (Capsicium annum L.)
(Universitas Sumatera Utara, 2025)The level of watering in cocopeat planting media plays an important role in determining the irrigation strategy of the plant. The study was conducted to obtain the growth of curly red chilies by providing tiered water ... -
Pengaruh Variasi Kecepatan Putar pada Alat Mesin Penepung Tipe Disk Mill FFC-15 dalam Pembuatan Tepung Beras Skala Rumah Tangga Secara Mekanis
(Universitas Sumatera Utara, 2025)Indonesia is a country whose flour needs increase every year, especially rice flour. Based on data from the Center for Agricultural Data and Information Systems (Pusdatin Kementan) in the 2017 Food Consumption Statistics ... -
Uji Kinerja Biobaterai Berbasis Karbon Sekam Padi dan Serbuk Gergaji dengan Variasi Komposisi Elektrolit Larutan NaCl
(Universitas Sumatera Utara, 2025)Biobattery is one of the environmentally friendly innovations that can store energy by utilizing organic materials as a source of energy. This research aims to determine the effect of variations in NaCl solution ... -
Rancang Bangun Sistem Pengisian Baterai Berbasis Panel Surya pada Alat Penebar Pupuk dengan Sistem Remote Controller
(Universitas Sumatera Utara, 2025)The development of agricultural technology has increasingly required more efficient tools for fertilizer distribution. This study employed an experimental approach by developing a battery charging system powered by a solar ... -
Kajian Perbedaan Tanaman Penutup Mucuna bracteata DC. dan Pueraria phaseoloides Terhadap Sifat Fisika Tanah Ultisol
(Universitas Sumatera Utara, 2025)Ultisol soil was classified as marginal soil, characterized by unfavorable physical properties for agriculture, including high soil bulk density, low soil porosity, acidic pH, and low organic matter and nitrogen content. ... -
Pengaplikasian Sensor Suhu sebagai Sistem Kendali pada Alat Pendingin Biji Kopi setelah Proses Penyangraian
(Universitas Sumatera Utara, 2025)Coffee is a widely encountered commodity in Indonesia. The country ranks among the world's largest coffee-consuming nations. The cooling of coffee beans is intended to stop the continuation of the roasting process following ... -
Kajian Kondisi Kesehatan Sub Daerah Aliran Sungai (DAS) Bekala Berdasarkan Aspek Hidrologi
(Universitas Sumatera Utara, 2025)The health of Watershed (DAS) is greatly influenced by hydrological aspects, such as surface flow coefficient, maximum and minimum discharge, river regime coefficient, water yield, water use index (IPA), and water ... -
Kajian Laju Infiltrasi Beberapa Jenis Cairan pada Tanah Andosol
(Universitas Sumatera Utara, 2025)Infiltration was a crucial mechanism in the hydrological cycle, playing a significant role in groundwater recharge and flood risk reduction. The infiltration rate of liquids into the soil was influenced by the liquid’s ... -
Studi Dampak Variasi Suhu dan Waktu Pengeringan Mekanis terhadap Kualitas Biji Kakao
(Universitas Sumatera Utara, 2025)Drying is one of the important factors in cocoa bean processing, where drying must pay attention to temperature and humidity. This research aimed to evaluate the effect of temperature variation on moisture content, aroma, ... -
Analisis Limbah Kulit Buah-Buahan Menjadi Sumber Energi Listrik
(Universitas Sumatera Utara, 2025)The increasing need for electricity can also be seen from many remote villages that have not received electricity for 24 hours. Alternative electricity is environmentally friendly and renewable. The use of fruit peel waste ... -
Uji Kinerja Mesin Penggiling Tipe Disk Mill FFC 15 Dalam Pembuatan Tepung Beras
(Universitas Sumatera Utara, 2025)A common agricultural crop processed into various types of food is rice. Rice is often made into rice flour before being processed. This method, known as rice milling, uses specialized machines such as the FFC-15 disc mill. ... -
Pemetaan Daerah Resapan Air di Sub Daerah Aliran Sungai (DAS) Bekala
(Universitas Sumatera Utara, 2025)This research aimed to map the groundwater recharge areas in the Bekala Sub Watershed using Geographic Information System (GIS). The analysis was conducted based on four main parameters: rainfall, slope gradient, soil ... -
Pengaruh Interval Waktu Pemberian Air pada Tanah Aluvial terhadap Pertumbuhan Tanaman Tomat (Solanum lycopercium L. var servo)
(Universitas Sumatera Utara, 2025)Tomatoes are vegetable plants that are very sensitive to water shortages. Lack of water availability during the growth and development phase of plants will cause stress (stress) so that it is necessary to calculate the ...
RSS 1.0