Rock permeability value is one of the most significant rock’s physical properties that affect groundwater influx processes in underground coal gasification (UCG). This value of rock permeability (K), namely the vertical permeability of flanking rocks (Kv) and horizontal permeability of coal (Kh). The purpose of this study was to determine the extent of the influence of the value of rock permeability on the potential of groundwater influx. The effect of rock permeability on groundwater influx into the UCG gasification reactor cavity in the presence of thermal loads and mineral composition content is large and significant to consider. Based on the resistance to heat loads, the type of sandstone lithology is relatively more resistant compared to siltstone and claystone lithology.
Tujuan dari penelitian ini adalah melihat dan seberapa besar manfaat dengan adanya jasa wisata, haji, dan umrah (WHU) bagi jamaah yang akan berpergian umrah dan haji plus, kedua data dari agen wisata, haji dan umrah (WHU) ditampilkan disini untuk memberitahukan dan menjadi bahan diskusi bagi penelitian selanjutnya sebagai masukan dalam industi jasa pelayanan dan penanganan wisata, haji dan umrah (WHU). Metode penelitian yang digunakan dala penelitian ini penelitian deskriptif dengan pendekatan analisis kualitatif, dan menggunakan hasil wawancara informan sebagai data penelitian. Pemilihan desain penelitian didasarkan atas beberapa pertimbangan, diantaranya : penulisan semi-kualitatif digunakan untuk mendeskripkan latar belakang interaksi yang komplek, bukti-bukti lapangan yang akan memberikan pemahaman yang tepat, dan hasil data penumpang yang dilayani oleh peusahaan jasa wisata, haji dan umrah (WHU).Dari dua data analisis yang didapatkan dari dua perusahaan jasa WHU peneliti menyimpulkan sesuai dengan tujuan bahwa kemanfaatan pelayanan dan penanganan jasa Wisata, Haji dan Umrah ini memberikan bantuan kepada jamaah haji plus dan umrah dari proses check in sampai dengan ruang tunggu (lounge milik maskapai). Untuk hasil lebih lanjut dari penelitian ini memerlukan suatu penelitian yang lebih lanjut.
This study aims to determine ways of financing assets using bank credit or withleasing to a company, where the company opts for bank credit and leasing tomake income tax savings. The study was conducted at PT. Duta Abadi Primantarawith the calculation of fiscal costs and commercial costs with the type of casestudy research. The data obtained are primary data collected throughdocumentation obtained from the company. The data collected includescommercial and fiscal calculation reports. Based on research results obtainedthat the company chose financing of assets with leasing because it saves capital,flexible requirements, lower costs, ease of budgeting, profitable cash flow andalso inflation protection.
Landslide is one type of slope movement, where the slope movement includes creep. Although creep movement does not have an impact on the risk of loss of life, this creep movement takes place constantly and invisible which has an impact on economic losses. In this study, a time-series monitoring was carried out from 2018 to 2020 to see the movement of the slopes in the study area using the Multi-Temporal Interferometry Synthetic Aperture Radar (MTInSAR). A time series method from Sentinel 1A/B data, which includes Trangkil Sejahtera Housing (PTS), Soegijapranata Catholic University (UNIKA), and 17 August 1945 University (UNTAG) in Semarang City, Indonesia. The results of data processing indicate that there are slope movement in the target location, namely Trangkil Sejahtera and Selorejo Housing (southwest of UNIKA). Based on BPBD 2021 data, landslides occurred in the Trangkil Baru Housing Center (to the north of PTS) and the Garang River landslide channel west of Selorejo. This shows that there is a link between crawling in 2018-2020 and landslides in 2021. Although the use of satellite data has some drawbacks, the results can be taken into consideration in building an early warning system and reducing losses due to landslides.
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