The other targeted indoor volatile organic compounds such as benzene, toluene, ethylbenzene, styrene, ... The daycare center indoor/outdoor ratios on the most targeted volatile organic compounds were above 1.0 ... xylenes, chloroform showed no significant correlations with that of outdoor.
전도성 고분자인 poupyrrole과 polyaniline을 이용하여 센서를 제조하고 휘발성 유기화합물에 대한감응특성 및 감지막의 물성을 조사하여 지금까지 알려지지 않은 감응 기구를 설명하고자 하였다. Polypyrrole과 polyaniline은 두께가 얇은 경우가 ..
This study was to assess the lifetime cancer and non-cancer risk on exposure to volatile organic compounds ... This study was assessed the lifetime cancer and non-cancer risk of volatile organic compounds (VOCs) ... In addition, for carcinogens, the excess cancer risk (ECR) was calculated by considering the process
For these experiments, a total of 15 odorants (4 reduced sulfur compounds, 2 volatile organic compounds ... compounds. ... , 7 carbonyl compounds, and 2 nitrogenous compounds) were investigated for a short term period.
Although ozone as a byproduct( approximately 300 ppb) contributes to destroying organiccompounds in ... their gas phase, the residual release could be captured by post manganese filters showing a maximum 30% ... It utilized oxygen ions(205,000 ions/cm3) and various radicals formed by a plasma generator.
In the current study, oxidative decomposition of a volatileorganic compound was investigated at room ... Plasma was generated inside each compartment by the application of alternating current (AC) voltage. ... 5 wt% manganese loaded and 5 wt% silver loaded 13X zeolite were used as catalysts.
Volatile flavor compounds were six alcohols, five esters, three aldehydes, and two ketones. ... flavor compounds or sensory evaluation scores. ... Common free organic acid components were lactic, succinic, citric, tartaric, malic, and acetic acids.
, soluble solid, free SO2, total SO2, color, free sugar content, organic acid, volatilecompounds, total ... Four sample wines were analyzed in terms of their pH, total acidity, volatile acidity, alcohol content ... Aroma analysis resulted in identification of 10 alcohols, 11 esters, 2 ketones and 6 miscellaneous compounds
The average value of total volatile organic compounds(TVOCs) concentration was 3,768 ㎍/㎥ in five new ... Building materials are composed of very complex chemical compounds. ... The average concentrations of each compound were measured as : benzene(58㎍/㎥), toluene (793㎍/㎥), ethylbenzene
The contents of such compounds as free amino acids, nucleotides their and related compounds, non-volatile ... were free amino acids and non-volatileorganic acids. ... The major non-volatileorganic in damchi-jeotguk were succinic acid(125.5mg/100g, dry basis) and lactic
of volatile organic compounds from nitrogen. ... A strong correlation was also found between the chromatographic retention time of the organic vapour ... The molecular structure of organic vapours and the selectivity were correlated.
Odorous compounds including volatile organic compounds (VOCs phenols and indoles) and volatile fatty ... This study investigated the effect of slurry additives on reducing the concentration of odorous compounds ... Taken together, the tested additives are effective in reducing odorous compounds in pig slurry, indicating
organiccompounds. ... and nanodiamonds were higher than that of activated carbon, which is widely used as an adsorbent of volatile ... on a surface under high-vacuum conditions is introduced.
This study was carried out to evaluate the characteristics of volatile organic compounds (VOCs) and ... In this study, the most abundant compounds at new apartments appeared to be toluene, m,p-xylene, formaldehyde ... change.
types of the aldehyde, and ten types of volatile organic compounds discharged from an outlet for antipollution ... In order to this, we analyzed two types of nitrogen compounds, five types of sulfur compounds, thirteen ... In this study was analyzed substances that high contribute to odor strength degree which emitted from
of volatile organic compounds (VOCs) and formaldehyde in newly-built apartments for seven days. ... A bake-out process using auto switchgear was carried out to evaluate the reduction effect of the concentration