نتایج جستجو برای: mine explosion

تعداد نتایج: 40903  

2017
Fumikazu Yoshida Akio Hata Haruo Tonegawa

The Itai-Itai disease case is one of four major pollution-related lawsuits occurring in Japan after World War H. This paper, which is based on investigations of the pollution source, the Kamioka mine, considers (1) the history of the disturbances to the environment caused by the Kamioka mine; (2) the Itai-Itai disease suit; (3) the pollution nprevention measures and methods of the Kamioka mine ...

Journal: :journal of mining and environment 2011
v. f. navarro-torres r. n. singh

water has an important role in creating pollution problems in the mining regimes influencing the surrounding surface environment. the purpose of this study is to make an assessment of groundwater quality in an underground mine site in portugal with a view of determining the pollution potential of groundwater. in the corresponding surface area of this underground mine, intersections of fou...

Journal: :Lithosphere 2022

Abstract The propagation process of blasting vibration has always been a difficult problem affecting the stability high slopes in open-pit mines. Taking Jianshan Phosphorus Mine as research background, combined with engineering geological investigation, field test, monitoring, numerical simulation technology, and theoretical analysis, three-dimensional dynamic adjacent slope after was systemati...

Journal: :Sustainability 2023

Nowadays, underground coal mine accidents occur frequently, causing huge casualties and economic losses, most of which are gas explosion caused by fires. In order to improve the emergency rescue capability fires reduce losses fires, this article is dedicated assessment fire capability. Taking system Lugou as an example, based on introduction gray theory evaluation method, model was established ...

Journal: :Mining of Mineral Deposits 2021

Purpose. Assessing the process of damaging factors formation during coal aerosol explosion in mine workings on basis theoretical research dust deposits order to substantiate promising methods protecting miners from their impact. Methods. An integrated approach is used, which includes a critical analysis literature data occurrence and development explosions workings; into state gaseous medium at...

Journal: :international journal of occupational hygiene 0
mohammadjavad jafari occupational health eng dept, shahid beheshti university of medical sciences, tehran, iran. mohsen zarei occupational health eng dept, shahid beheshti university of medical sciences, tehran, iran. mohammad movahhedi epidemiology dept, shahid beheshti university of medical sciences, tehran, iran.

the risks of fire and explosion in oil and gas industry need to be managed. the objectives of the present study were to assess the risk of fire and explosion in iso-max unit of tehran oil refinery using dow’s fire and explosion index and to study the influences of the controlling methods. the latest version of dow fire and explosion index guideline was applied to calculate the fire and explosio...

Journal: :international journal of coastal and offshore engineering 0
omid reza safiyari iranian national institute for oceanography and atmospheric science (inioas) mahmood reza akbarpour jannat iranian national institute for oceanography and atmospheric science (inioas) babak banijamali darya bandar engineering consultant company (dbc)

the current manuscript presents the validation of smoothed particle hydrodynamics (sph) techniques for wave generation by underwater explosion, utilizing the so-called dualsphysics numerical model. this numerical method is used to analyze generated waves which are initiated by man-made or natural explosions below free surface level of sea. in spite of the modeling limitations (e.g. absence of o...

2008
S. A. Sim D. N. Sauer F. K. Röpke W. Hillebrandt

Motivated by recent models involving off-centre ignition of type Ia supernova explosions, we undertake three-dimensional time-dependent radiation transport simulations to investigate the range of bolometric light curve properties that could be observed from supernovae in which there is a lop-sided distribution of the products from nuclear burning. We consider both a grid of artificial toy model...

2011
David J. Chalmers Eliezer Yudkowsky

What happens when machines become more intelligent than humans? One view is that this event will be followed by an explosion to ever-greater levels of intelligence, as each generation of machines creates more intelligent machines in turn. This intelligence explosion is now often known as the “singularity”. The basic argument here was set out by the statistician I. J. Good in his 1965 article “S...

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