نتایج جستجو برای: mining industry
تعداد نتایج: 273977 فیلتر نتایج به سال:
The cavitation generator of fluid pressure oscillations is a promising device for productivity and efficiency improvement in the mining industry (hereinafter referred to as generator). Due periodic growth, separation collapse cavities into volume, shock are realized with frequency range from 1 20 kHz. Oscillatory peak values up by 4 times higher than steady-state at inlet. destroyed rock takes ...
Social responsibility for sustainability has become an important dimension in the current context. More and more industries are evaluating this actively involved addressing human resources to increase motivation, communication reduce negative factors. The mining industry is important, especially from perspective of sustainability. For these reasons, paper reviews social impact provides a framew...
The main directions in the design and programming of vertical motion robots for mining industry have certain operational risks that underlie reasons lack consideration all possible scenarios. problem is identification specific situations. situations occurring during operation a robot considered. Some critical are proposed consideration, forces acting on nodes illustrated. A model MATLAB Simulin...
BACKGROUND The purpose of this study was to estimate the incidence and prevalence of hearing loss for noise-exposed U.S. workers by industry sector and 5-year time period, covering 30 years. METHODS Audiograms for 1.8 million workers from 1981-2010 were examined. Incidence and prevalence were estimated by industry sector and time period. The adjusted risk of incident hearing loss within each ...
purpose: this study wants to find any relationship between the numbers of purchase and the income the customer brings to the company. the attempt is to find those customers who buy more than one life insurance policy and represent the signs of good payments at the same time by the help of data mining tools. design/ methodology/ approach: the approach of this research is to use data mining tools...
Purpose: The aim of this article is to identify processes and recognise determinants in the copper mining industry supply chain creation activity taking into account influence CoVID-19 pandemic. Design/Approach: research was conducted using qualitative methods. As part procedure, process analysis carried out method mapping (on example mining). To analyse evaluate examined were presented form gr...
We examined occupational and industrial differences in lung, gastric, and colorectal cancer risk among Japanese men of working age (25-64 years) using the 2010 Japanese national survey data for occupation and industry-specific death rates. Poisson regression models were used to estimate the age-adjusted incident rate ratios by lung, gastric, and colorectal cancers, with manufacturing used as th...
in iran we already use laminate tubes only in cosmetics industry. laminate tube manufacturers via using the most modern technology of the world, faced with the laminate tube market being saturated in cosmetics industry for packaging the cosmetic creams and toothpaste. but considering the great food market and therefore laminate tube features such as beautiful packaging, ease of use for the fina...
The Federal Mine Safety and Health Act of 1977 consolidated all federal health and safety regulations of the mining industry-coal as well as noncoal mining-under a single mandate administered by the Mine Safety and Health Administration (MSHA). Today, the agency is striving to reduce the environmental health risks associated with mining.
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