Ozone formation potential ofp
WebJul 21, 2024 · The O3 formation potential (OFP) scale has been extensively used to quantify the relative effects of individual VOCs on O3 formation and to aid in the development of … WebApr 19, 2024 · In order to evaluate the impact of the VOC species on ozone formation, the ozone formation potentials (OFP) of each VOC species was calculated by multiplying the emissions by its corresponding maximum increment reactivity (MIR) factor (Carter and Atkinson 1987; Carter 1994; Russell et al. 1995 ).
Ozone formation potential ofp
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WebMar 31, 2024 · The results showed that alkenes and aromatics were the most active species performing a key function in the ozone formation, accounting for 43.9–90.7% of the Pro-Equiv and 41.0–93% of the ozone formation potential (OFP). The ratios of ethylbenzene and m/p-xylene were calculated, and the results showed that local emissions were the main … WebMar 8, 2024 · In the study, VOCs characteristics and ozone generation potential (OFP) of ambient VOCs were analyzed, and source apportionment of VOCs were analyzed by using …
WebTo further understand the effect of volatile organic compounds (VOCs) on ozone (O 3) formation in seasons when ozone (O 3) pollution occurs frequently, the variation in VOCs, chemical composition characteristics, and ozone formation potential (OFP) were studied, using high-resolution online monitoring data obtained in an urban site of Beijing ... WebApr 16, 2014 · The ozone formation potential study revealed that, ranking by propyl-equivalent, the alkanes included in this study account for 58% of the total propyl-equivalent concentration. The total ozone creation potential in the atmosphere of the Benin City was calculated to be 281.1 µ g/m 3.
WebOct 21, 2024 · The results showed that the average concentrations of TVOCs at CS and IS were 49.1 ± 14.4 and 28.4 ± 9.6 ppb, respectively, with higher levels in autumn compared to those in spring and summer. Alkene species contributed the largest to the OH radical loss rate (LOH) and ozone formation potential (OFP). WebMar 31, 2024 · The results showed that alkenes and aromatics were the most active species performing a key function in the ozone formation, accounting for 43.9–90.7% of the Pro …
WebThe Ozone Depletion Potential (ODP) was defined in order to classify refrigerants. As they were the worst ones, R11 and R12 are assigned a value of unity, i.e., ODP-R11≡1 and ODP …
Web本研究采用最大增量反应性（Maximum Ozone Reactivity，MIR）来计算VOCs的O3生成潜势（Ozone Formation Potentials，OFP）和计算大气VOCs与OH自由基的反应速率（OH）来衡量各物种和各类VOCs的化学活性，计算参数来自邵敏等[3]的研究，具体计算方法如下： ... hanno neustadtWebThe objective of this study was to reduce the effects of cryoinjury caused in bovine semen by cryopreservation. Ejaculates were collected from Nellore bulls and subjected to freezing in C (control), ozone (15, 30, and 60 µg mL-1 of ozone), quercetin (25, 50, and 100 µg mL-1 of quercetin), and carnosine groups (100, 200, and 300 ng mL-1 of carnosine). hanno visitatoWeb4.14.4.1.2 Ozone depletion potential. The concept of ozone depletion potential (ODP) is widely used (Wuebbles et al., 1983; Solomon and Albritton, 1992) as a measure of the … hanno ottenWebOct 27, 2024 · Ozone formation potential (OFP) and health risk assessment were introduced to estimate the influence of fugitive VOC emissions from the petrochemical industry on surrounding tropospheric photochemical contamination and workers’ health risks due to VOC exposure. Calculation of ozone formation potential hanno silikon htWebJul 11, 2024 · The California Statewide Air Pollution Research Center (SAPRC) ozone formation potential (OFP) scale for VOCs was formulated to assist in the development of control strategies seeking to reduce ambient ozone concentrations in a VOC-limited atmosphere (Carter and Atkinson 1989; Carter 1994a; Carter 1994b ). hanno tammenWeb我们已与文献出版商建立了直接购买合作。 你可以通过身份认证进行实名认证，认证成功后本次下载的费用将由您所在的图书 ... hanno rinkeWebIn this study, the ambient concentrations of volatile organic compounds (VOCs) were intensively measured from January 2012 to December 2016 using an evacuated canister and were analyzed using a gas chromatography/mass spectrophotometer (GC/MS) based on the US EPA TO-15 in the community and industrial areas of the largest petroleum … hanno sassenrath