Multi-Step Ahead Ex-Ante Forecasting of Air Pollutants Using Machine Learning by Snezhana Gocheva-Ilieva, Atanas Ivanov, Hristina Kulina, Maya Stoimenova-Minova

“…The strategy was applied to three pollutants—PM₁₀, SO₂, and NO₂—in the city of Pernik, Bulgaria. Random forest (RF) and arcing (Arc-x4) machine learning algorithms were applied to the modeling. …”
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An Equifinality Energy Management Framework in Terms of Benchmarking Practices and Expectations: The EnerMan Project Outlook by Panagiotis Katrakazas, Marco Costantino, Federico Magnea, Liam Moore, Abdelgafar Ismail, Eleftherios Bourithis, Hasan Basri Taşkın, Zeynep Tutku Özen, İlyas Artunç Sarı, Katerina Pissaridi, Johann Bachler, Stefan Polic, Giulia Pippione, Roberto Paoletti, Rosa di Falco, Fabio Ferrario

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Sediment Assessment of the Pchelina Reservoir, Bulgaria by Tony Venelinov, Veronika Mihaylova, Rositsa Peycheva, Miroslav Todorov, Galina Yotova, Boyan Todorov, Valentina Lyubomirova, Stefan Tsakovski

“…The behavior of these elements is determined by the change of the profile of the industry in the Pernik town during the 1990s. The second group of elements (Zn, Pb, Cd, Bi and U_nat) has increasing time trends in Struma and Pchelina sediment cores. …”
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STRATEGI KOLABORASI DALAM SENI PERTUNJUKAN TRADISIONAL DI KABUPATEN SUBANG by Irvan Setiawan

“…Seiring berjalannya waktu tampak jelas terlihat adanya perubahan dalam pernak pernik atau tahapan pertunjukan pada beberapa seni pertunjukan tradisional. …”
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Reformasi, Teologi dan Kehidupan Sehari-Hari : Ajaran Calvin dan Konsistori di Geneva tentang Pernikahan by Yudha Thianto

“…Setiap kali kita membicarakan Reformasi yang terjadi pada abad keenam belas, sering kali perhatian kita hanya tertuju pada formulasiformulasi teologis dengan segala pernik-perniknya serta kompleksitas pemahaman dogmatika dari para reformator. …”
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Evidence of a plate-wide tectonic pressure pulse provided by extensometric monitoring in the Balkan Mountains (Bulgaria) by Briestenský Miloš, Rowberry Matt D., Stemberk Josef, Stefanov Petar, Vozár Jozef, Šebela Stanka, Petro Ľubomír, Bella Pavel, Gaal Pudovít, Ormukov Cholponbek

“…Much of the subsidence occurred around the time of the distal MW = 5.6 Pernik Earthquake. An important transient deformation event, which began in autumn 2012, was reflected by significant compression and following extension, across the monitored fault. …”
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Prehistoric Astronomical Observatories and Paleoclimatic Records in Bulgaria Estimate Astroclimate during 4000–4500 BCE: A Critical Assessment by Alexey Stoev, Yavor Shopov, Penka Maglova, Ognyan Ognyanov, Lyubomira Raykova

“…The estimations are made according to the geological data and solar insolation luminescence proxy records of the evolution of cave speleothems from Duhlata cave in the village of Bosnek, Pernik municipality, which is still the only available experimental record of past solar insolation in Europe covering the last 20,000 years. …”
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Gereja Tionghoa dan Masalah Identitas Ke-Tionghoa-an by Markus Dominggus L. Dawa

“…Bahkan sampai diadakan kebaktian dan perayaan khusus untuk itu, lengkap dengan berbagai pernik dan atribut yang melekat pada imlek tersebut. …”
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