Sensing of volatile organic compounds (VOCs) is a growing research topic because of the concern about ... The van der Waals interactions are considered using different exchange-correlation functionals (BH,C09 ... moment, and binding energy of the complex, while furan interaction with a double-vacancy does not considerably
Volatile organic compounds (VOCs) are a paramount factor in air pollution of the environment. ... The model compounds of toluene-, ethylbenzene- and chlorobenzene-contaminated waters were treated separately ... warming, acid rain and climate change.
The adsorption of volatile organic compounds (VOCs) was carried out using an activated carbon fiber ... In a continuous flow of air containing toluene vapor through an ACF packed bed, the breakpoint time was ... The adsorption capacities of formaldehyde, toluene, and benzene on an ACF filter were far better than
The adsorption of volatile organic compounds (VOCs) was carried out using an activated carbon fiber(ACF ... The adsorption of volatile organic compounds (VOCs) was carried out using an activated carbon fiber
( ... In a continuous flow of air containing toluene vaporthrough an ACF packed bed, the breakpoint time was
organic compounds from automotive vehicle. ... International Standard Organization) has been established ISO 12219-1, 2, 3, 4, 5 to determine the emissions of volatile ... >3</sup> chamber.
Among the major volatile flavor compounds classes, sulfur containing compounds (36.7%), acids (31.2%) ... This research has attempted to investigate the volatile flavor compounds of onion products through acetic ... Volatile flavor compounds from onion extracts, OAF (M) and OAF (F) were used by Mixxor liquid extractions
Although there was no new volatile compound produced by gamma irradiation, amounts of each volatile ... properties, fatty acid isomer and volatile compound profiles of five different oil sources. ... of volatile compounds and off-flavor, and isomerization of fatty acid by gamma-irradiation.
conducted an evaluation of quality properties such as yield (%), color, volatile flavor compounds and ... The volatile flavor compounds were detected in zingiberene,β-sesquiphellandre, β-phellandre, αγ-curcumene ... Also volatile component contents showed difference in each of extraction conditions.
This study aimed to provide volatile flavor compounds of three onion products through thermal process ... ), and 55 (17 sulfur-containing compounds, 15 alcohols, 5 acids, 11 ketones, 3 aromatic compounds, 2 ... compounds, 27 alcohols, 11 acids, 11 ketones, 6 esters, 1 aromatic compound and 3 pyrazines) in onion
In this study, the level of migration of 5 kinds of volatile organic compounds (VOCs) (toluene, styrene ... The calibration curve of 5 compounds showed good linearity (r2 = 0.9976~0.9995) within the concentration ... The average migration contents of 5 compounds were below 5 ng/mL except for styrene.
In this study, we analyzed the changes in the concentration of volatile compounds according to drying ... Furthermore, most volatile compounds showed a tendency to decrease in concentration as the temperature ... In the case of yellow oyster mushrooms, the concentration of t-2-nonenal in caps and stipes during freeze-drying
In this study, UV irradiation reactors were used to eliminate 4 types of volatile organic compounds ... The tested operating conditions included UV light intensity, inlet VOCs concentrations, empty bed retention ... when the removal capacities of different VOCs according to the UV irradiation amount are compared.
Sphingomonas produces volatile halogenated compounds or degrades organic pollutants. ... Rhodococcus is reported to produce sulfur compounds which give off an odor similar to rotting eggs and ... cabbages.
① 교육수준별 연령 비교② 남녀 간의 지식점수의 비교③ 작업 전과 후의 날숨에서 휘발성 유기화합물(volatile organic compounds, VOCs)농도 비교④ 현재 흡연 ... 여부에 따른 요중(尿中) 코티닌 농도 비교• 정답 및 해설: ③ 작업 전과 후의 날숨에서 휘발성 유기화합물(volatile organic compounds, VOCs) 농도 비교쌍체비교
Volatile organic compounds (VOCs) are a source of air pollution and are harmful to both human health ... the highest VOCs absorption capacity compared with other composite membranes, having an absorption capacity ... A certain amount of RE (up to 50 wt% compared to PU pellets) particles could be loaded on/into PU fibers
produced from electrospun for absorption volatile organic compounds (VOCs) from air. ... , and the adsorption capacity for toluene was the highest compared to benzene and chloroform. ... The results show that PU composite mats containing 30 wt% LP NPs has the highest VOCs absorption capacity
Toluene7)8) INCLUDEPICTURE "https://www.rsc.org/Merck-Index/content/images/compound/cs/000/000/018/328 ... Hexane9)10) INCLUDEPICTURE "https://www.rsc.org/Merck-Index/content/images/compound/cs/000/000/009/923 ... 원리 및 이론 -증류: distillation이란 liquid compound나 desired product를 끓는점 차이를 이용해 분리 정제하는 방법으로 liquid mixture을
Comparison of Limonene Contents Concentrated hydrophobic liquid containing volatile aroma compounds ... Compositions of the Volatiles of Peel Oil and Juice from Citrus Unshiu . ... Compositions of the Volatiles of Peel Oil and Juice from Citrus Unshiu .