Dimentional reduction is a technique for reducing the number of features in a dataset. Principal Component Analysis (PCA) is a dimensional reduction method that can reduce the features in a dataset without eliminating important information in it. In this study, the aim is to obtain the results of dimension reduction as well as to know the performance results before and after data dimension redu…
Production of coffee in Indonesia ranks fourth largest after rubber, coconut and palm oil. Pagaralam is one of the coffee producers in South Sumatra Indonesia Country, with a production of 20.153 tons and the number of farmers in coffee farming is 9,321 families card. This research aims to represent the variables that are significantly related to the net income of farmers in graphical form usin…
This study aims to determine the depth of peat in the piled up soil at the Bait Qur'an Islamic Boarding School in Sepuh Village using the 2-dimensional Wenner-Schlumberger geoelectric method for a development. Peat has a very high void ratio and is highly compressible. This method involves drilling a hole in the area to be measured using a drill or other drilling tool. Peat soil has different p…
Cancer markers, or substances indicating the presence of specific cancers in the human body, are molecules found in the human body that provide indications of certain types of cancer. Numerous cancer markers have been discovered. However, this research focuses only on six specific cancer markers: Jurkat, HeLa, PC-12, MDA-MB-231, MCF-7, and Basal. Blood samples are also used as an additional com…
The air quality index is a benchmark for some of today's global society which will later have an impact on society and the order of life. The main focus of measuring the air quality index is based on the concentration of dissolved air pollutants in the atmosphere. The city of Palembang itself began to develop when Indonesia made it the location for the Asian Games in 2018. This study aims to de…
Identification of pay zones in clayey sandstone layers in the Tarim field poses a challenge in determining the hydrocarbon and water zones because they have low resistivity low contrast (LRLC) characteristics. The existence of LRLC reservoir layers is found in the lower-upper Miocene age in the South Sumatra basin in the Gumai, Air Benakat, Muara Enim and Palembang Formations as deposit product…
Pembangkit listrik tenaga nuklir telah diidentifikasi sebagai salah satu alternatif yang menjanjikan untuk memenuhi kebutuhan energi masa depan. Penelitian ini bertujuan untuk menganalisis performa dan potensi bahan bakar Karbida dalam konteks neutronik yang digunakan pada SFR. Proses analisis dilakukan dengan melakukan simulasi menggunakan metode Monte Carlo dan bahasa pemrograman Python melal…
Desa Taja Raya II merupakan salah satu desa yang terletak di Kabupaten Banyuasin, letak Geografis Kabupaten Banyuasin terletak pada posisi 388735 - 530060 Lintang Selatan dan 9660739 - 9807115 Bujur Timur (Longitude). Desa Taja Raya II merupakan salah satu desa yang kekurangan sumber air bersih. Oleh karena itu, penelitian ini dilakukan sebagai salah satu bentuk upaya bentuk upaya dalam membant…
As one of the waters in Indonesia, the Southern Java waters are very complex waters because they get direct influence from the Indian Ocean and also the influence of the Pacific Ocean water masses that are brought into these waters through the Indonesian Cross Flow (ARLINDO). This study aims to determine the effect of positive IOD in 2019 on water mass variability in the southern waters of Java…
Rainfall intensity in Ogan Komering Ilir Regency has high rainfall intensity. Most of the people's work in Ogan Komering Ilir Regency is farming, if the intensity of high rainfall can have a negative impact on farmers and plant growth. Therefore, rainfall predictions can be used to determine future rainfall levels in Ogan Komering Ilir District. Rainfall prediction in this study uses the Recurr…
In an open pit mining system, it is important to know how stable a slope is. Unstable slopes will affect the mine production process and cause losses. Whether a slope is stable or not can be determined from the safety factor value. In this study, the safety factor value is sought using the limit equilibrium method. The slopes analyzed are low wall, side wall and high wall slopes. If the slope s…
This study aims to determine the effect of air humidity and air temperature on ENSO and IOD in Palembang City. The data used are data on relative humidity and air temperature as a result of measurements from the BMKG class 1 climatology station in Palembang City for 5 years (2017- 2021). The data is processed statistically to find the relationship between these two parameters with ENSO and IOD …
Waste water originating from Indralaya market activities has a high pollutant content far above the applicable guality standards. Market activities use water from rivers, while waste water from market activities is directly discharged into rivers without prior processing. In this study the method used was constructed wetland free water surface and the treatment given was organic load variations…
This study aims to assess the performance of the four-wheeled vehicle industry or more (ISIC 29101) in terms of efficiency and production costs. This research uses time series data for the 2011-2020 period with qualitative data analysis techniques, namely explaining efficiency and production costs including output, input and added value costs. The research results show that (1) the development …
This study aims to analyze the influence of the social environment and financial knowledge on interest in using sharia investment products (study of students of Raudhatul Ulum Sakatiga Indralaya IT High School).This study used quantitative methods with questionnaires as research instruments. The population in this study amounted to 331 students with a sample of 182 respondents taken using the N…
Penggunaan bahan-bahan kimia dalam kegiatan praktikum ataupun penelitian di dalam laboratorium tentunya akan menghasilkan air limbah. Air Limbah yang dihasilkan dari laboratorium tergolong limbah berbahaya dan/atau beracun. Berdasarkan zat yang terkandung di dalam air limbah laboratorium secara kolektif dan dalam kurun waktu yang lama apabila dibuang langsung ke lingkungan akan mencemari lingku…
Analisis geokimia merupakan metode ekspolorasi panasbumi untuk menentukan tipe manifestasi dan memperkirakan suhu reservoir di daerah Suoh dan sekitarnya. Terdapat tujuh titik lokasi pengambilan sampel air panas untuk dilakukan pengamatan secara fisik dan uji kandungan geokimia, yaitu APS, APKSH, APKSC, APK1, APK2, APGS,dan APBS. Manifestasi panasbumi di daerah Suoh berada di jalur sumatra faul…
PT J Resources Bolaang Mongondow is a gold mining company that is active in blasting activities. During September 2022, the Powder Factor value for ore blasting increased from 0.37 to 0.48 and the Powder Factor value for waste blasting decreased from 0.26 to 0.21. The fragmentation size to fit into the heap leach pad without crushing is P80 ≤ 10 cm. This study uses a quantitative method with …
Perkembangan di dunia konstruksi membawa dampak baik dan buruk yang dapat mempengaruhi lingkungan baik secara langsung maupun tidak langsung. Pertambahan volume limbah konstruksi terjadi di seluruh dunia. Limbah konstruksi akan menambah beban di lokasi TPA yang semakin langka. Selain memberikan efek negatif bagi lingkungan, limbah konstruksi juga mengakibatkan kerugian bagi perusahaan karena ha…
Indonesia is an archipelagic country where there are many illegal ports where the increase in drug smuggling in Indonesia is increasing and there are many users in Batam. Singapore, as a result, a lot of drug smuggling is carried out on the borders of the surrounding countries where criminals take advantage of rat ports in Indonesia. This study examines the Indonesian Government's Efforts in Co…
This research was conducted by the authors to analyze the Speech act of the South Sumatra BNNP dealing with the issue of smuggling and trafficking of narcotics accommodated through the internet. The spread of drugs in this globalization era is very easy and fast, because sales can be done through online sites. Drugs are a problem for many countries, one of which is Indonesia. One of them is in …
This research aims to understand the characteristics of volcanic rocks and the process of their formation in the Kikim Formation, which was carried out in the Negeriratu area and its surroundings. Volcanic rock is a type of igneous rock. The formation of volcanic rocks occurs during the cooling of magma when it has formed lava or frozen fragments on the earth's surface. The characteristics of t…
In the tin ore processing process that aims to separate the concentrate and tailing, there are valuable minerals that slipped off and wasted through the tailing so that rises the potential for low grade tin ore from the washing remainders (SHP). In optimizing the processing of tin ore, it is necessary to carry out further processing, one of which is by using shaking table technology. Shaking ta…
Tanah pucuk memegang peranan penting untuk menunjang keberhasilan kegiatan reklamasi/revegetasi pada areal bekas tambang, namun pada beberapa lokasi berdasarkan karakteristik geografis wilayah, terdapat lapisan/layer top soil yang relatif tipis/sedikit membuat proses regrading/penataan lahan tidak optimal pada saat melakukan covering top soil. Permasalahan tersebut ditemukan penulis di PT XYZ, …
The combustion of coal produces two types of waste, namely light ash (Fly Ash) and heavy ash (Bottom Ash). Fly ash is the waste generated by the power plant, contributing to environmental pollution. The combined fly ash and bottom ash generated solely from the power plant in 2021 were estimated to reach 12 million tons, projected to increase to 16.2 million tons by 2027. This poses a problem as…
Peningkatan penggunaan internet berbanding lurus dengan peningkatan cyber attack setiap tahunnya. Faktor peningkatan tersebut salah satunya adalah kelompok kriminal yang menargetkan alat kolaborasi seperti OneDrive atau Google Drive. Pengamanan data pada jaringan internet dibutuhkan untuk perancangan aplikasi berbasis jaringan, salah satunya dengan mengamankan data sebelum dikirimkan melalui in…