Silica dust
Relationship between Silica Dust Exposure and Chronic Obstructive Pulmonary Disease in Workers of Dust Generating Industries of District Peshawar
... to silica dust for ten years or more, had respiratory ...to silica dust, density of dust (maximum in stone crushing), hours of daily exposure and other contributory factors like tobacco ...
5
Combined effect of silica dust exposure and cigarette smoking on total and cause-specific mortality in iron miners: a cohort study
... Crystalline silica is one of the most abundant minerals in the earth’s crust and a basic component of sand, soil and ...crystalline silica can occur not only in various natural phenomena such as volcanic ...
10
Risk Evaluation of Construction Workers Exposure to Silica Dust and the Possible Lung Function Impairments
... crystalline silica dust, along with lung function parameters, were ...crystalline silica dust, which might be attributed to the higher percentage of crystalline silica in Iranian ...
9
Formative research to reduce mine worker respirable silica dust exposure: a feasibility study to integrate technology into behavioral interventions
... respirable silica dust is pre- ...other dust-related diseases have focused on the development and implementation of engineering control technologies (for a review of these technologies see ...
11
EFFECT OF SILICA DUST ON ANTIOXIDANT ENZYMES IN GRANITE WORKERS
... of silica in nature is much like that of carbon in organic ...crystalline silica and silicon is the second one most common element after oxygen, consequently exposures to crystalline silica ...
5
Do bullae and emphysema increase risk of pneumothorax in silicosis?
... quality showed reticular-nodular shadowing at least 1/1 profusion grade according to the ILO system. Expiratory postero-anterior chest radiography was reviewed for detection of pneumothorax and also SSP was defined by ...
6
Assessment of Occupational Exposure to Dust and Crystalline Silica in Foundries
... Crystal silica exists in many industries such as cement, glass, concrete, ceramic, brick, pottery, foundry, and sandblasting industries (10, ...11). Silica in its crystalline form is intensely fibrogenic, ...
5
Cavitated Conglomerate Mass in Silicosis Indicating Associated Tuberculosis
... The disease is classified as chronic, accelerated, or acute, depending on the intensity and duration of the exposure to silica dust. The acute form, also known as silicoproteinosis, is caused by substantial ...
5
An Experimental Study on High Performance Concrete by Using Silica Fume and Quarry Dust
... as silica fume, fly ash and ground granulated blast furnace slag are more commonly used mineral admixtures in the development of HPC ...improved. Silica Fume is most commonly used supplementary cementitous ...
9
Silicosis and silicotuberculosis in mine workers in nagaur, ajmer and bhilwara district in Rajasthan
... Results of the study sample were statistically analysed for studying the relationship between the number of patients suffering from silicosiswith respect to number of years of exposure of silica dust by ...
6
Clinico-epidemiological and pathological profile of lung cancer: a hospital based observational study in Western part of Rajasthan, India
... in silica dust exposed patient in this study was squamous cell carcinoma followed by adenocarcinoma with occupational history of > 10 years of silica dust exposure in stone ...
6
AN EXPERIMENTAL INVESTIGATION ON SILICA FUME BLENDED CEMENT MORTAR WITH STONE DUST AS A FINE AGGREGATE
... amorphous silica collected in bag-house filters from the flue gases of silicon or Ferro silicon furnaces, have been called by various names, such as silica dust, silica flour, micro ...
10
Silica stimulated monocytes release fibroblast proliferation factors identical to interleukin 1 A potential role for interleukin 1 in the pathogenesis of silicosis
... fibrogenic silica dust released factors capable of activating fibroblasts as measured by an increase in fibroblast ...proliferation. Silica, but not nonfibrogenic diamond dust, stimulated the ...
12
Total and respirable dust exposures among carpenters and demolition workers during indoor work in Denmark
... of dust exposure, and with dust levels depending on the work task and job ...in dust exposure between carpenters and demolition workers who were expected to have low and high dust exposure, ...
8
A Survey of Literature on Impact of Silica Fume (SF) and Saw Dust Ash (SDA) On Expansive Soil
... Saw Dust Ash Stabilized South-western Nigeria Lateritic ...saw dust ash improved the engineering properties of the soil specimen ...saw dust was found appropriate for use in stabilization lateritic ...
8
Utilization of Cement Kiln Dust (CKD) with Silica Fume (SF) as a Partial Replacement of Cement in Concrete Production
... Also silica fume is an industrial by-product material derived during production of elemental silicon where it is defined as an alloy containing silicon; its noncrystalline silica is very fine which is ...
13
Application of Different Waste in Concrete as a Partial Replacement of Cement
... Compressive Strength of concrete increased with increasing percentage of Fly Ash, its all three mix give good compressive strength. When Rice Husk Ash replace cement in concrete it has been observed that its 10% and 20% ...
19
A Study on Low Performance Concrete Using Mineral Admixtures (Brick Kiln Dust and Silica Fume)
... Silica fume (SF) is a byproduct of the smelting process in the silicon and ferrosilicon industry. The reduction of high-purity quartz to silicon at temperatures up to 2000 produces Si vapors, which oxidizes and ...
5
An Experimental Analysis on Expansive Soils Using Silica Fumes Including Burnt Brick Dust & Lime
... In present scenario a lot of research work is being carried out in the area of using locally available materials in road construction which are not only available in nearby area of construction site but give good soil ...
7
Sensitivity simulations with direct shortwave radiative forcing by aeolian dust during glacial cycles
... for dust dry mass per area 39.1 mg m −2 , for dust AOT at a wavelength of ...for dust ME ...mean dust AOT of ...in dust ME associated with different types of dust sources are ...
16