آخرین محصولات

INVOLVEMENT OF LUNG AND LUNG FUNCTION TESTS …
industry, are exposed to variable silica dust ... designed to evaluate the respiratory effects of occupational exposure to silica dust in stone ... Quarry Workers Radiological Appearance Number ...

Occupational Health Management in the Quarry Industry
Through the Hard Target Initiative, the quarry industry has achieved a significant reduction in accidents, and it is now time to pay equal attention to the management of health risks.

Comparative Study on Radiological Impact of Quarry
The radiological impact of quarry activities on workers and local residents due to the presence of naturally occurring radionuclides have been investigated for two quarry industries. The...

Radiological Health Implications of Radiation Levels In …
Radiological Health Implications of Radiation Levels In Rock Fragments From Quarry Sites In Akamkpa, South- ... harmful effect on man and other biotic organisms in the environment. Radioactive elements are one of the ... Brothers Quarry within latitudes 5° 12' N and 5° 32' N and longitudes 8° 20' E and 8° 34' E in Netim in

Assessment of occupational exposure in a granite quarry …
Workers in the granite industry face an occupational hazard: silicosis due to the crystalline silica present in inhalable dust. As granite can also present a variable, and occasionally...

(PDF) Radiological Health Implications of Radiation Levels In …
The natural radioactivity due to the presence of 226Ra, 232Th and 40K in conventional raw materials and some solid industrial wastes and by-products which are being used or have a potential for ...

2022/sbm effect of the quarry on quarry owners.md at …
Contribute to naicha22/2022 development by creating an account on GitHub.

Occupational exposure due to naturally occurring …
The potential occupational exposure in granite quarry industry due to the presence of naturally occurring radioactive material (NORM) has been investigated. The activity …

Pulmonary Problems among Quarry Workers of …
A study in Nigeria showed a significant decrease in FVC and FEV1 among the quarry workers of the stone-crushing industry exposed to dust. 11 Another study done on stone crushers found that PFT ...

THE NATURAL RADIOACTIVITY MEASUREMENTS AND EVALUATION OF RADIOLOGICAL
The naturally occurring radioactivity concentrations of 40 K, 238 U and 232 Th in quarry samples from different locations in some South Eastern part of Nigeria was carried out using NaI (TI) detector.

Occupational exposure due to naturally occurring radionuclide material
The potential occupational exposure in granite quarry industry due to the presence of naturally occurring radioactive material (NORM) has been investigated. The activity concentrations of 40K,...

Assessment of occupational exposure in a granite quarry and …
Workers in the granite industry face an occupational hazard: silicosis due to the crystalline silica present in inhalable dust. As granite can also present a variable, and …

Comparative Study on Radiological Impact of Quarry …
Abstract: The radiological impact of quarry activities on workers and local residents due to the presence of naturally occurring radionuclides have been investigated for two quarry industries. The study employed an in-situ measurement using a portable gamma-ray scintillometer.

Occupational silica exposure and lung cancer risk: a review of
Background: In 1997, a Monograph from the International Agency for Research on Cancer (IARC) classified occupational exposure to crystalline silica as carcinogenic to humans. Large amounts of epidemiological data have been published subsequently.Methods: We conducted a systematic review of epidemiological investigations on silica exposure and lung cancer risk published after …

Assessment of natural radioactivity and associated radiological …
1. Introduction. Soils and rocks are the main sources of terrestrial radiation since volcanic structures as well as rocks that are rich in phosphate, granite and salt contain natural radionuclides like 238 U, 232 Th and 40 K, which are the main sources of gamma radiation. In its report the United Nation Scientific Committee on Effects of Radiation (UNSCEAR) [] points …

Radiological risk assessment of naturally occurring …
This study was carried out to evaluate activity concentrations of naturally occurring radioactive materials (NORMs) to assess the distribution of 226Ra, 232Th, and 40K in selected quarries in Edo State, South-south, Nigeria and to appraise the radiological hazard they may pose to the general public when used as building material. Twenty five (25) quarry samples were …

Radiological Impact of An Active Quarry in The Papuk …
However, research of radiological effects of a quarry on its surroundings is not common. ... Schaefer A, Wasum R. Mosses as indicators of atmospheric metal deposition in an industrial area of southern Brazil. Acta Bot Bras. 2012; 26:553–8. doi: 10.1590/S0102-33062012000300005. [Google Scholar]

Assessment of occupational exposure in a granite quarry
In order to assess the risk, a granite industry with a quarry and processing factory was selected to assess the occupational exposure. Three main potential pathways were observed: external irradiation, inhalation of granite dust, and radon exposure.

Estimation of Natural Radioactivity and Radiological Risk in …
The activity concentrations of 238 U, 232 Th and 40 K in eighty granite samples from eight major quarry sites (Granite Producers (IQ), Krystal Vountain (KQ), Clario Nig. Ltd. (CQ), Omidiran Nig ...

Assessment of occupational exposure in a granite quarry
In order to assess the risk, a granite industry with a quarry and processing factory was selected to assess the occupational exposure. Three main potential pathways were …

Occupational exposure due to naturally occurring …
The potential occupational exposure in granite quarry industry due to the presence of naturally occurring radioactive material (NORM) has been investigated. The activity concentrations of 40 K, 226 Ra and 232 Th were determined using gamma-ray spectroscopy …

Comparative Study on Radiological Impact of Quarry …
Abstract: The radiological impact of quarry activities on workers and local residents due to the presence of naturally occurring radionuclides have been investigated for two quarry industries. …

Assessment of natural radioactivity and associated …
Ionizing radiation has short-term and long-term effects on health particularly associated with the Naturally Occurring Radionuclides (NOR). The short-term effect should be …

Natural radioactivity measurements in the granite rock of …
A survey study on natural radioactivity of 238 U, 232 Th and 40 K and their possible radiological effects in the granite rock of selected quarry sites in Johor state, Malaysia has …

Occupational exposure due to naturally occurring …
The potential occupational exposure in granite quarry industry due to the presence of naturally occurring radioactive material (NORM) has been investigated. The activity concentrations of 40 K, 226 Ra and 232 Th were determined using …

Investigative Effect Of Stone Crushing Dust On The …
quantities to the atmosphere of the work environment. This dust particle have very harmful effect on the health of workers of quarry industries, that is why a decision to carry out a research on the effect of stone crushing dust on the health of workers of quarry industry at Umuoghara, Ezza North Local Government Area of Ebonyi State is inevitable.

Occupational exposure due to naturally occurring …
The rock fragments are further processed at the processing mill (situated near the quarry) into different sizes. Non-nuclear mining and milling industries have the potential of causing radiological problem . Hence, this work aims at assessing occupational radiation exposure due to NORM in the granite quarry industry. MATERIALS AND METHODS

Assessment of occupational exposure in a granite quarry and …
In order to assess the risk, a granite industry with a quarry and processing factory was selected to assess the occupational exposure. Three main potential pathways were observed: external …

Assessment of occupational exposure in a granite quarry …
In order to assess the risk, a granite industry with a quarry and processing factory was selected to assess the occupational exposure. Three main potential pathways were observed: external irradiation, inhalation of granite dust, and radon exposure.

Radiological assessments of quarry dust from quarries in …
Although this industry is not considered as major industry in Kelantan the amount and elemental contents of dust that came from the industry warrant a valid concern for the quarry workers and public users of the products. These elements would pose radiological, pollution as well as health risks to workers, public and the environment.
محصولات مرتبط
- نوار نقاله کمربند کوچک برای کارخانه معدن
- بلبرینگ پیروز شدن خاک رس
- برای آزمایشگاه در شیلی
- اجزای صنایع معدنی در نیجریه چیست؟
- فروش دستگاه بلوک سیندنر
- دستگاه شناورسازی هم زدنی هند
- توپ های مورد استفاده در آسیاب های گلوله ای سیمان
- واحد سنگ زنی گواتهاتی
- تولید مواد معدنی برای بوتسوانا
- سیستم های انتقال خلاuum
- تجهیزات آسیاب سنگ معدن طلا کارخانه سنگ زنی سنگ معدن
- Crushers Ore
- سنگ شکن قابل حمل سنگ از آفریقای جنوبی
- Crusher St At Best
- عامل سنگ شکن دان