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 ... The treatability was monitored by total organic carbon, ultra-violet spectroscopy and high-pressure liquid
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
determine the emissions of volatile organic compounds from automotive vehicle. ... In addition, ISO (International Standard Organization) has been established ISO 12219-1, 2, 3, 4, 5 to ... >3</sup> chamber.
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.
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 ... its high humidity and organic adsorption.
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.
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
그중에서도 각양각색의 휘발성 유기화합물(VOCs: volatile organic compounds)도 포함되어 있다. ... 시스템의 EMBT(eco-mechanical biological treatment)는 생물학적 전환 반응기(bioconversion reactor)로서의 기계적 처리기술과 퇴비화 (composting
Finally, sublimation is a solid purification technique for organiccompounds with low melting points. ... TLC is a technique used to determine components of non-volatile mixtures using a thin stationary phase ... Prior to purifying using column chromatography, TLC is performed to show how compounds are mixed.
N. nucifera flower, a traditional Chinese medicinal herb, is rich in volatilecompounds. ... In total, we identified 39 compounds, among which aliphatics were major constituents, representing more ... microextraction gas chromatography-mass spectrometry for each organ of the flower: petals, sepals, pistils
These pollutants include diesel-use emissions, hydrocarbons, volatile organic compounds (e.g., benzene ... Natural gas or oil molecules that have been created from the organic material in the rock are trapped ... within the numerous micro-pores or are attached to the organic material by a process called adsorption
The objective of this paper is to compare the instrument analysis with the sensory characteristics of ... From the test, it was possible to identify the cause of odor, which can be difficult to distinguish among ... There has been growing concern over the emissions of formaldehyde and VOCs from automotive interior
This separates the substance by differential adsorption of the compound into the adsorbent, and the coker ... components of non-volatile mixtures using a thin stationary phase supported by inert backing. ... Organic chemistry (9th ed.). Glenview, IL: Pearson. Harwood, L. M., & Moody, C. J. (1996).
For the compounds having low odor threshold value and high VOC concentration, it was found that there ... There has been growing concern over the emissions of formaldehyde and VOCs from automotive interior ... materials, as these could have an important impact on the in-vehicle air quality (IVAQ) of automotive