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Applying principles of biochemistry for the protection of environment is the main concern of environmental biochemistry.the main themes include managing water quality and air resources, protection from radiation, to maintain industrial hygiene etc. environmental biochemists employ living organism and their capabilities for such purposes.. related journals of environmental.
At johnson & johnson medical devices companies, we are using our breadth, scale and experience to reimagine the way healthcare is delivered and help people live longer, healthier lives.. in a radically changing environment, we are making connections across science and technology to combine our own expertise in surgery, orthopaedics, vision and interventional solutions with the big ideas of.
Background & aims: cement industry is very contaminated. contaminants resulting from industries include dust, carbon compounds, sulfur and nitrogen. the purpose of this study was to evaluate the output of pollutants from cement plants in soil samples and leaf tree species. methods: this study descriptive-analytic was designed tree species, plants and soil around the.
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Department of medical biochemistry. faculty of medicine, kogi state university, anyigba, nigeria ... the total world cement production was 1352 million tones in 2013 and is expected to be around 4.4 billion metric tones in 2020. as at ... the assistance medical laboratory scientist,federal medical centre.
Even in the 21st century, millions of people are working daily in a dusty environment. they are exposed to different types of health hazards such as fume, gases and dust, which are risk factors in developing occupational disease. cement industry is involved in the development of structure of this advanced and modern world but generates dust during its.
Introduction: there is rapid increase in the global production and consumption in cement industry. egypt is one of the greatest cement producers worldwide. cement dust particles is the major source of occupational hazard in cement factory. the main routes of entry of cement particles are inhalation and swallowing leading to different clinical.
Portland cement-based concrete is the most widely used construction material. this has led researchers to invent new cement production technologies and investigate the use of various materials and additives. concrete structures are subjected to harsh environments that affect their long-term serviceability and durability . the durability of.
The energy use for cement production is distributed as follows:- 92.7% for pyro-processing 5.4% for finishing grinding and 1.9% for raw grinding (choate, 2003). the choice of fuel use entails the level at which green house gases (ghg) are emitted, the cost of cement and the quality of the cement.
The impacts of cement industry are countless and exposure to cement the pollution has been linked to a number of different health problems, starting from modest transient changes in the respiratory tract and impaired pulmonary function to mortality.
The impacts of cement industry are countless and it even did not spare humans from its deteriorating impacts and have adversely impacted health of workers. exposure to cement pollution has been linked to a number of different health outcomes, starting from modest transient changes in.
This study investigated effects of cement dust on haematological parameters of obajana cement factory workers. the investigation of haematological parameters were performed on 60 workers in different units/sections exposed to cement dust and controls (unexposed to cement dust). automated abascus haematoanalyser was used to analyse haematological.
This volume provides broad coverage of key issues related to the role of calcium hydroxide in cements and concrete. it contains critical topics such as the physicochemical role calcium hydroxide plays in hydration and deterioration of cementing properties as well as the implications of the presence of calcium hydroxide on the future of portland cement, blended and specialty cements, and.
Ticks are obligate hematophagous arthropods and vectors of pathogens affecting human and animal health worldwide. cement is a complex protein polymerization substance secreted by ticks with antimicrobial properties and a possible role in host attachment, sealing the feeding lesion, facilitating feeding and pathogen transmission, and protection from host immune and inflammatory.
Unpolymerized barnacle cement. for studies utilizing unpolymerized barnacle cement, cement droplets were obtained by hand using a method inspired by cheung and colleagues (cheung et al., 1977).cement production is continuous throughout a barnacle's life (saroyan et al., 1970), which makes the collection of unpolymerized cement possible.barnacles were gently removed intact from silicone.
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