This study analyzes the thermal efficiency of the Heat Recovery Steam Generator (HRSG) at the Keramasan Combined Cycle Power Plant (CCPP) in Palembang, Indonesia. Field data were collected at three operating times (08:00, 16:00, and 24:00) to evaluate HRSG performance using mass and energy balance. Calculations were based on temperature, pressure, and mass flow rate parameters of both working f…
Pabrik pembuatan metil klorida dengan kapasitas produksi 13.000 ton/tahun direncanakan pembangunannya pada tahun 2031 yang berlokasi di Kabupaten Bontang, Kalimantan Timur seluas 1,2 Ha. Operasi pabrik berjalan selama 24 jam/hari dalam 300 hari/tahun. Komoditi metil klorida yang diproduksi mengacu pada WO Patent No. 2024063425A1 yang menggunakan proses klorinasi metana dan hidroklorasi metanol …
There are three common commercial tilapia species Oreochomis niloticus, O. mossambicus, and O. aureus. These species have the opportunity for hybridization. Hybridization between tilapia species is widespread, one of which is red tilapia, is a crossbreed of four different species of the genus Oreochromis, namely O. mossambicus, O. niloticus, O. hornorum, and O. aureus. The purposes of this stud…
Insect pest attacks on plants are very detrimental, such like aphids and Spodoptera frugiperda on maize. The use of pesticides to deal with insect pests is not recommended because they have the potential damage the environment, so biological agents can be used to control insect pest attacks. The purpose of this study is to analyze the effect of Beauveria bassiana and Metarhizium anisopliae on V…
Musa paradisiaca banana is a plant that is widely cultivated in Indonesia. Bananas are widely planted by the community because the fruit is sweet and has many benefits ranging from the fruit, stem, and leaves. Banana cultivation has various obstacles due to symptoms of pests and diseases. Banana Bunchy Top Virus (BBTV) disease or dwarf disease which is an important disease in banana plants. BBT…
Lahan rawa merupakan salah satu ekosistem yang sangat potensial untuk pengembangan pertanian. Luas lahan rawa di Indonesia di perkiraka sekitar 33,4 juta ha, yang terdiri atas lahan pasang surut sekitar 20 juta ha dan rawa lebak 13 juta ha. Pemanfaatan lahan basah oleh pemerintahan sudah dilakukan sejak tahun 1970-an. Luas lahan rawa yang telah dikembangkan pemerintahan hingga saat ini adalah …
Background: Stroke is a disease that can cause brain dysfunction resulting in motor and sensory disorders that cause muscle and balance weakness. Approximately70-80% of stroke patients experience hemiparesis. Rubber ball grip therapy is one of non-pharmacological therapies that can be implemented for stroke patients with physical mobility disorders.However, is has never been implemented for str…
Energy issues to human survival is a major problem faced by almost all countries in the world. The depletion of oil reserves requires us to use alternative energy or renewable energy. One of them by maximizing the utilization of gas. To operate the engine fuel oil to gas fuel needs to be made an energy conversion devices such as gas converter kit that is used as the lowering of gas pressure at …
Generator arus searah merupakan sumber energi alternatif untuk pengisian ulang ke baterai mobil listrik, yaitu dengan memanfaatkan energi mekanik dari bagian yang berputar dalam sistem transmisi mobil listrik yang akan memutar generator. Desain bagian bodi rotornya dengan menggunakan cairan resin yang dituangkan kedalam sebuah cetakan kemudian tunggu hingga resin mengeras kemudian letakkan 12 b…
Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) is an invasive pest of cereal crops in Africa and three other countries namely India, Myanmar, and Thailand that causes a lot of damage. The purpose of this study was to determine the effect of entomopathogenic fungi on the development and hatching time of T. remus. The method used in this study was to observe the effect of entomopatho…
Spodoptera frugiperda (J.E. Smith) is one of the important pests in maize, this pest damages the vegetative phase so that plant growth is interrupted or die. The purpose of this study was to determine the effect of entomopathogenic fungi on the development and hatching time of Telenomus remus (Nixon). The method used in this study is to observe the effect of entomopathogenic fungi on S. frugipe…
Spodoptera frugiperda is a polyphagous pest that causes significant losses in agricultural crops and its symptoms can cause significant yield losses if not managed properly. Parasitoids are one of the biological agents that are widely used in controlling the new pest, S. frugiperda, which attacks corn plants in Indonesia. Especially Telenomus remus, which is effective to control S.frugiperda. T…
Spodoptera frugiperda (J.E. Smith) is an important pest of widely cultivated corn plants. According to its origin, S. frugiperda originates from the Americas and has spread widely to other countries such as Australia, China, India, Malaysia, the Philippines and Thailand, including Indonesia. Besides attacking corn, it also attacks sorghum (the main host), as well as other monoculture crops such…
Combining global, media, and cultural studies, this book analyzes the success of Hallyu, or the "Korean Wave” in the West, both at a macro and micro level, as an alternative pop culture globalization. This research investigates the capitalist ecosystem (formed by producers, institutions and the state), the soft power of Hallyu, and the reception among young people, using France as a case stud…
This book provides a full scale description and discussion of science, technology, society, cross-cultural communication and modernity and is presented at a level that makes it accessible to the interested academic. Starting with the historical overview, the text outlines the relevance of technology today and in the future. Then follows an introduction to the discovery and invention by agricult…
This book examines the history of racial classifications in Puerto Rico censuses, starting with the Spanish censuses and continuing through the US ones. Because Puerto Rican censuses were collected regularly over hundreds of years, they are fascinating “test cases” to see what census categories might have been available and effective in shaping everyday ones. Published twentieth-century cen…
Cephalopachus bancanus is a primitive primate distributed in western Indonesia and is now classified as a protected species on the IUCN red list as Vulnerable. Cephalopachus bancanus populations from South Sumatra and Bangka Island are the same sub-species, the geographical isolation that has formed affects the distribution and genetic variation. Specific genetic markers are needed as an effort…