نتایج جستجو برای: cement industry

تعداد نتایج: 218274  

A. Sabbaghnia, F. Ezati, R. Babazadeh,

Production planning and inventory control efforts are known as the driving engines of manufacturing systems. The manufacturers, competing to survive in these days’ competitive business environment, aim to satisfy customers’ needs. This requires a precise production plan throughout the supply chain. These days, because of the increasing costs of production and distribution, especially in the cem...

2013
Raja Peary Mohan

___________________________________________________________________________________________ Purpose: To evaluate the basic pulmonary function parameters of cement industry workers from West Bengal. This cross-sectional study was carried out in a cement factory at Durgapur, district Burdwan on male cement industry workers and a control group of office workers. Materials and methods: Ninety worke...

Journal: :Scientific American 1905

2012
Aly Moustafa Radwan

In terms of absolute consumption, the cement industry occupies a front position in the ranks of energy consumed industries. The total energy costs (thermal and electrical) make up about 30 to 40 percent of the total production costs of cement. This is why efficient energy utilization has always been a matter of priority in the cement industry. Cement manufactures requires very high temperatures...

2003
P. E. Stutzman D. P. Bentz

Assuring the quality of the massive quantities of cement produced worldwide each year is a daunting task. Currently, the cement industry performs extensive physical testing to assess the quality of their product, resulting in large costs for both materials (and their disposal) and labor. One of the major goals of the Virtual Cement and Concrete Testing Laboratory (VCCTL) consortium is to provid...

Journal: :management studies and economic systems 2014
md. kamal hossain syed moudud- ul-huq

in this study it has been initiated to find out the credit strength and financial performance of cement industries in bangladesh through investigating the financial report for the period from 2007 to 2011. financial ratios are employed to measure the liquidity (working capital to total assets), profitability (retained earnings to total assets), efficiency (earnings before interest and taxes to ...

2012
Hani Shafeek

This paper analyzes an existing maintenance management system in a cement factory in the Kingdom of Saudi Arabia using a modified questionnaire. The analysis shows that there are strong areas such as predictive maintenance and maintenance automation. Other areas are found weak such as training programs and maintenance reporting. Some areas are found mix between strong and weak such as maintenan...

Journal: :Environmental science & technology 2016
Thomas Hills Duncan Leeson Nicholas Florin Paul Fennell

Several different carbon-capture technologies have been proposed for use in the cement industry. This paper reviews their attributes, the progress that has been made toward their commercialization, and the major challenges facing their retrofitting to existing cement plants. A technology readiness level (TRL) scale for carbon capture in the cement industry is developed. For application at cemen...

2007
David Prentice Jean-Laurent Rosenthal

whose suggestions got this paper off the ground and gave it direction. The paper has also benefitted from comments from The contributions of innovations, factor endowments and institutions to American industrialisation are examined through analysing the rise of the American portland cement industry. Minerals abundance contributed in multiple ways to the spectacular rise during the 1890s. Howeve...

2004
Chiara F. Ferraris Ana Ivelisse Avilés Vincent A. Hackley

A distribution of particle sizes or particle size distribution (PSD) is a fundamental characteristic of cement powder. Accurate PSDs are required in computational efforts to model the hydration process and it is an important practical issue for the cement industry. Presently, the only available standard method for measuring the PSD of cement, namely ASTM C115, is limited in scope, with a lower ...

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