6篇
您的检索式：作者名="Xavier Roca"
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| 1 | Determining indoor air quality and identifying the origin of odour episodes in indoor environments显示文摘A methodology for identifying volatile organic compounds(VOCs) and determining air quality of indoor air has been developed.The air samples are collected using pump samplers by the inhabitants when they perceive odorous and/or discomfort episodes.Glass multi-sorbent tubes are connected to the pump samplers for the retention of VOC.The analysis is performed by automatic thermal desorption(ATD) coupled with gas chromatography-mass spectrometry(GC/MS).This methodology can be applied in cases of sick building syndrome(SBS) evaluation,in which building occupants experience a series of varied symptoms that appear to be linked to time spent in the building.Chemical pollutants concentrations(e.g.,VOC) have been described to contribute to SBS.To exemplify the methodology,a qualitative determination and an evaluation of existing VOC were performed in a dwelling where the occupants experienced the SBS symptoms.Higher total VOC(TVOC) levels were detected during episodes in indoor air(1.33 ± 1.53 mg/m3) compared to outdoor air(0.71 ± 0.46 mg/m3).The concentrations of individual VOCs,such as ethanol,acetone,isopropanol,1-butanol,acetic acid,acetonitrile and 1-methoxy-2-propanol,were also higher than the expected for a standard dwelling.The external source of VOC was found to be an undeclared activity of storage and manipulation of solvents located at the bottom of a contiguous building. | Eva Gallego Xavier Roca Jose Francisco Perales Xavier Guardino | 2009 | Journal of Environmental Sciences2009，21，3： | 14 |
| 2 | TGA study examining the effect of pressure and peak temperature on biochar yield during pyrolysis of two-phase olive mill waste显示文摘 | Joan J Manyà F Xavier Roca J Francisco Perales | 2012 | Journal of Analytical and Applied Pyrolysis2012，103，： | 1 |
| 3 | Uranium accumulation by Pseudomonas sp. EPS-5028显示文摘 | Ana M. Marqués Xavier Roca M. Dolores Simon-Pujol M. Carmen Fuste Francisco Congregado | 1991 | Applied Microbiology and Biotechnology1991，，3： | 1 |
| 4 | Uranium accumulation by Pseudomonas sp. EPS-5028显示文摘 | Ana M. Marqués Xavier Roca M. Dolores Simon-Pujol M. Carmen Fuste Francisco Congregado | 1991 | Applied Microbiology and Biotechnology1991，，3： | 1 |
| 5 | A coarse-to-fine approach for fast deformable object detection显示文摘 | Marco Pedersoli Andrea Vedaldi Jordi Gonzàlez Xavier Roca | 2014 | Pattern Recognition2014，，： | 1 |
| 6 | Uranium accumulation by Pseudomonas sp. EPS-5028显示文摘 | Ana M. Marqués Xavier Roca M. Dolores Simon-Pujol M. Carmen Fuste Francisco Congregado | 1991 | Applied Microbiology and Biotechnology1991，，3： | 1 |
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