Results 41 to 50 of about 2,445,002 (241)
Concentration and Annual Effective Dose of Radon in the Neyshabur Turquoise Mine
Iranian South Medical Journal, 2020 Background: Radon is one of the most common radioactive substances in underground mines which can enter the lungs and cause diseases. The purpose of this research is to measure the concentration of radon and the annual dose absorbed by miners at Sabz ...
Farhad Mohammad Jafari +2 more
doaj
Web + Data Mining = Web Mining [PDF]
HMD Praxis der Wirtschaftsinformatik, 2009 Dieser Beitrag gibt eine kurze Beschreibung, was unter dem Begriff Web Mining zu verstehen ist und wie Webdaten mit gangigen Data-Mining-Techniken kombiniert werden konnen, um das Web besser als Informationsquelle nutzbar zu machen. Des Weiteren wird ein Uberblick uber die gangigen Hauptachsen gegeben, entlang derer die meisten aktuellen Entwicklungen ...
openaire +1 more source
, 2020 Extraordinarily severe coal mine accidents (ESCMAs) are characteristized by thirty fatalities or more in one accident. In this paper, such ESCMAs are analyzed using 188 cases which occurred in Chinese underground coal mines.
Jinjia Zhang +3 more
semanticscholar +1 more source
The Principal Trends of the Development of Flamethrower-incendiary Armament of Foreign Сountries
Вестник войск РХБ защиты, 2023 The lecture is intended for the improvement of the professional skills and knowledge of the students and graduates of military schools in the field of foreign flamethrower-incendiary armament.
V. A. Inozemtsev +4 more
doaj +1 more source
Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data, 2013 Harnessing a crowd of Web users for data collection has recently become a wide-spread phenomenon. A key challenge is that the human knowledge forms an open world and it is thus difficult to know what kind of information we should be looking for. Classic databases have addressed this problem by data mining techniques that identify interesting data ...
Yael Amsterdamer +3 more
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Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2022 Studied the possibility to extend the life of the Production Unit no. 3 mine of JSC “Belaruskali” through the additional extraction of sylvinite ore reserves left in the previously mined panels of the mine field of the 3rd potash level. It was determined,
I. I. Golovaty +3 more
doaj +1 more source
Effect of weathering product assemblages on Pb bioaccessibility in mine waste: implications for risk management [PDF]
, 2013 General assessments of orebody types and associated mine wastes with regards to their environmental signature and human health hazards are needed to help managing present and historical mine waste facilities.
Cave, Mark R. +3 more
core +2 more sources
Rödovans Sözleşmesi ve Alt İşverenlik İlişkisi
Anadolu Üniversitesi Hukuk Fakültesi Dergisi, 2022 Madenler, devletin hükmü ve tasarrufu altında olan, kamu malı niteliğine sahip olduğu ikrâr edilen kaynaklar ve doğal servetlerdir. Devletin tasarrufu altında bulunan madenler, gerekli şartları taşıyanların elde ettiği izinler ve ruhsatlar uyarınca ...
Burak Karakoç
doaj +1 more source
Strong unique continuation for the higher order fractional Laplacian
, 2019 In this article we study the strong unique continuation property for solutions of higher order (variable coefficient) fractional Schr\"odinger operators.
García-Ferrero, María-Ángeles +1 more
core +1 more source
Proceedings of the 2009 SIAM International Conference on Data Mining, 2009 We introduce the problem of grammar mining, where patterns are context-free grammars, as a generalization of a large number of common pattern mining tasks, such as tree, sequence and itemset mining. The proposed system offers data miners the possibility to specify and explore pattern domains declaratively, in a way which is very similar to the ...
Nijssen, Siegfried +2 more
openaire +3 more sources