Telusuri Artikel Berdasarkan Abjad - Portal Jurnal

Telusuri Artikel (A-Z)

Temukan artikel berdasarkan urutan abjad judulnya.

Menampilkan 314 artikel yang diawali dengan huruf "U"

UTILIZATION OF MULTIBEAM ECHOSOUNDER DATA FOR BATHYMETRY MAPPING: EVALUATION WITH INTERNATIONAL STANDARD

Oleh: Nadzir, Zulfikar Adlan, Munthe, Manson Brian Utama

Bathymetric mapping is crucial for understanding seabed conditions, especially in maritime countries like Indonesia. This study evaluates the quality of bathymetric data acquired using Multibeam Echosounder (MBES) in Jakarta waters. The acquired data was processed and analyzed based on the internati...

Penerbit: Engineering Faculty Universitas Lampung

Utilization of Natural Zeolites and Fly Ash (Coal) Mixture Physically Activated Using Furnace As A Pellet - shaped Air Filter To Increase Engine Torque, Tecumseh TD110. 4-Stroke Petrol Motor

Oleh: risano, yudi

An air filter made from a mixture of natural zeolite and coal fly ash can be used to remove nitrogen (N2) and moisture (H2O) in the air. This filter can produce oxygen-rich air (O2) flowing into the combustion chamber to increase the quality of the combustion process so that complete combustion occu...

Penerbit: Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Utilization of Natural Zeolites as Cu (Ii) and Zn (Ii) Adsorbent

Oleh: Dewi, Evi Mutiara, Suwardi, ., Suryaningtyas, Dyah Tjahyandari

This research was aimed to determine the differences of physical and chemical characteristics from three natural zeolites from Tasikmalaya, Bayah and Lampung areas and to examine the characteristics of the natural zeolite adsorption capability to the micro-nutrients. The zeolite characterization ana...

Penerbit: UNIVERSITY OF LAMPUNG

Utilization of Papaya Waste as Dairy Cattle Feed on Fermentability Value (In Vitro)

Oleh: Nurjannah, Syifa, Suryanah, Sari

Papaya is a plant that is commonly found in Indonesia, especially on the island of Java. The waste produced in the form of peel, seeds and leaves can be used as an alternative animal feed. The aims of the study was to utilize and evaluate papaya waste as dairy cattle feed. The research was carried o...

Penerbit: DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Utilization of porang tuber starch enriched with ginger extract as an edible coating for avocado (Persea americana Mill.) storage [Pemanfaatan pati umbi porang diperkaya ekstrak jahe sebagai edible coating untuk penyimpanan buah alpukat (Persea americana Mill.)]

Oleh: Sabahannur, Siti, Ralle, Andi, Ralle, Andi

Avocado is a climacteric fruit that experiences a surge in respiration and ethylene production after harvest, which accelerates its deterioration. One method to extend its shelf-life post-harvest is using edible coatings. This study evaluated the effects of various concentrations of edible coatings ...

Penerbit: Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Utilization of Rice Husk ash and Bamboo Leaf for Increasing Si for Rice Production on Paddy Soil

Oleh: Suryono, Suryono, Suwarto, Suwarto, Farohi, Ima

Silicate is an important  nutrient element  for rice plants. Rice is a plant that absorbs Si in large quantities. The low Si content in paddy fields is caused by intensive rice cultivation practices. Ash husk rice and bamboo leaves are materials that have a high silicate content so that the ad...

Penerbit: UNIVERSITY OF LAMPUNG

Utilization of Tiwai Onion Nanoparticles (Eleutherine amaricana Merr) as Feed Mixture Towards Quality of Broiler Carcass

Oleh: Manullang, Julinda Romauli, Parinding, Gidion

This study aims to determine the best concentration of Tiwai Onion nanoparticles and the effect of giving Tiwai Onion nanoparticles on the quality of meat and organoleptic broilers. Method: This study used a Completely Randomized Design (CRD) with five treatments and five repetitions, each repeat co...

Penerbit: DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

UTILIZATION OF TOFU AND TAPIOCA INDUSTRIAL LIQUID WASTE FOR NILE TILAPIA (Oreochromis niloticus) CULTURE WITHIN DIFFERENT BIOFLOC SYSTEMS

Oleh: Kunindar, Suryo, Efendi, Eko, Supono, Supono

Liquid waste produced by tofu and tapioca industry was approximately 1,5-2 m3 and 4-6 m3 per day respectively. Tapioca liquid waste has concentration of carbon around 119,11 mg/l, while tofu liquid waste has around 133,03 mg/l of nitrogen in concentration. Therefore both of these waste have the pote...

Penerbit: University of Lampung

Utilization of Various Diluents on the Quality of Frozen Semen from Saanen Goats

Oleh: Nisfimawardah, Lailatun, Husein, Firdaus, Astuti, Erlina

Saanen goats have low semen volume per ejaculation but high concentration. This study was conducted at the Singosari Center Artificial Insemination (SCAI), Malang Regency, East Java. The purpose of this study was to determine the effect of using various diluents on the quality of Saanen goat semen. ...

Penerbit: DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Utilization Semi Cylindrical Capacitor for Measuring Starch Content Thai Type Cassava

Oleh: Mauliyani Qoriah, Dina, Surtono, Arif, Pauzi, Gurum Ahmad

It has been realized that the measurement of the Thai type of cassava starch uses a semi-cylindrical capacitor has been done. This measurement is carried out by providing an input signal to the semi-cylindrical capacitor plate using the IC XR-2206 oscillator with a frequency of 100 kHz. The output s...

Penerbit: Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Utilizing Coal Ash and Humic Substances as Soil Ameliorant on Reclaimed Post-Mining Land

Oleh: Oklima, Ade Mariyam, Sudarsono, ., Iskandar, .

Coal ash and humic substances can be used as soil ameliorant in the reclamation of formerly mined land. Due to its high pH and nutrients content, coal ash can be used to improve the chemical properties of the soil, such as increasing of pH, and increasing the levels of nutrients availability in the ...

Penerbit: UNIVERSITY OF LAMPUNG

Utilizing Coal ash and Lignite Enriched-Compost to Improve Chemical Properties of Ultisols

Oleh: Fajarindo, Fadil, Suwardi, Suwardi, Iskandar, Iskandar

Continuous monoculture activities can cause soil degradation, leading to low pH, organic matter content, and nutrient deficiencies in Ultisols. Compost has been used to improve soil fertility. Unfortunately, its effectiveness has been limited due to rapid decomposition in the humid tropic area. This...

Penerbit: UNIVERSITY OF LAMPUNG

Utilizing Cocoa Rind as Organic Fertilizer to Support Sustainable Agriculture

Oleh: Chaniago, Ramadhani, Ramlan, Winarto

The main key in choosing manure is the level of ripeness, the ratio of Carbon and Nitrogen (C/N) and the Nitrogen, Phosphorus, Potassium (NPPt) contents. So far, the farmers have not effectively utilized organic materials as fertilizers in agricultural lands. Organic materials which can be used incl...

Penerbit: UNIVERSITY OF LAMPUNG

Utilizing X as a media to improve writing ability on an analytical exposition text for EFL high school students

Oleh: Lukitaningtyas, Pinurih, Setiyadi, Bambang, Nurweni, Ari

This study focuses on evaluating the writing skills of EFL high school students through analytical exposition after they utilized X. It was carried out with eleventh grade students at SMAS Al-Kautsar Bandar Lampung during the first semester of the 2024/2025 academic year. The sample was class IX.3, ...

Penerbit: English Language Education Study Program

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