To prevent respiratory illnesses caused by exposure to hazardous dust, OSHA has set specific PELs for different types of particulate matter. For example, the current OSHA PEL for silica dust is 2 milligrams per cubic meter averaged over an 8-hour workday. This limit aims to mitigate the risk...
2025 See All Example Sentences for permissible Word History Etymology Middle English, from Medieval Latin permissibilis, from Latin permissus, past participle of permittere First Known Use 15th century, in the meaning defined above Time Traveler The first known use of permissible was in the ...
The meaning of PERMISSIBLE is that may be permitted : allowable. How to use permissible in a sentence.
used the permissible exposure-limit to evaluate the blue-light hazard of various light sources [24]. Show abstract Photoresponsive polymeric microneedles: An innovative way to monitor and treat diseases 2023, Journal of Controlled Release Citation Excerpt : For example, the eyes are significantly more...
t = maximum exposure duration (minutes) L = noise exposure level (dB(A)) 3 = exchange rate (dB) 85 = Recommended Exposure Limit - REL (dB(A)) Download and print Noise Level - Maximum Exposure Time Chart Example - Maximum Exposure Time to Noise The maximum time a person can be expose...
SchemeTypeWhat it encodesExample DCMI Box Syntax Region of space The Western Hemisphere: westlimit=180; eastlimit=0 DCMI Period Syntax Period of time World War II: name=World War II; start=1939; end=1945 DCMI Point Syntax A particular location Perth, Western Australia: name=Perth, W.A.; ...
The article presents a method for identifying points with concentrations of air pollutants exceeding the standards in the example of a large Polish city. The research results allowed for precisely identifying places in the city’s street network with the worst air quality parameters. Hence, the ...
Since an animal's behavior can influence how much metal pollution it is exposed to (Mogren and Trumble, 2010; Gall et al., 2015), behavioral disturbances may affect exposure and sensitivity to metals. For example, impaired locomotion may reduce the capacity of individuals to avoid contaminated ...
another example, when a UE is communicating using a radio access technology that operates in a high frequency range, such as a millimeter wave (mmW) frequency range, the applicable RF exposure parameter is power density, which may be regulated to limit heating of the UE and/or nearby ...
2) TWA exposure limit 时间加权平均容许浓度3) daily average concentration 日平均浓度 1. Calculating results are shown by an example to give the daily average concentration distribution to the ambient sensitive protection objects on the typical weather days. 结合高架点源影响浓度的实例计算,可以方便...