detection frequencies and median concentrations for selected volatile organic compounds
Báo cáo khoa học: "On the performances of Intensity Modulated Protons, RapidArc and Helical Tomotherapy for selected paediatric cases" doc
... factor ~2 for RA and ~1.7 for HT), and for the femurs RA plans were generally better than HT for the bladder (below 20 Gy), equivalent to HT for the rectum and the uterus, and inferior to HT for the ... coronal and sagittal views for RA, HT and IMPT for Patient Figure Dose distributions in axial coronal and sagittal views for RA, HT and IMPT for Patient Dose distributions in axial coronal and sagittal ... coronal and sagittal views for RA, HT and IMPT for Patient Dose distributions in axial coronal and sagittal views for RA, HT and IMPT for Patient Figure Dose distributions in axial coronal and sagittal...
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Optimal Time for Collecting Volatile Organic Chemical Samples from Slowly Recovering Wells ppt
... Installation and Sampling Procedures Chemical Analysis Chemical characterization of water samples Volatile organic compounds Nonvolatile organic compounds RESULTS AND DISCUSSION Volatile Organic Compound ... for volatile organic compounds is their loss from the sample before analysis To be conservative, we defined the optimal time for sampling for volatile organic compounds as the time when their concentrations ... before and 24 hours after purging for analysis of nonvolatile compounds to determine whether purging had affected these compounds Time-series analyses were not possible for the nonvolatile compounds...
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Volatile Organic Compounds in the Nation’s Ground Water and Drinking-Water Supply Wells pdf
... that is clean and safe for drinking and recreation and that is suitable for industry, irrigation, and habitat for fish and wildlife Escalating population growth and increasing demands for the multiple ... elsewhere.(19) For those compounds with Federal drinking-water standards, VOC concentrations in samples from domestic and public wells were compared to USEPA MCLs Concentrations for 15 unregulated compounds ... Detection of VOCs differed markedly between and within principal aquifers The two clusters of relatively large detection frequencies (in the New England and Mid-Atlantic States and in California...
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DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS doc
... commencing with section 94500, and (2) low vapor pressure -volatile organic compounds (LVP-VOC) as that term is defined in section 94508(a), and (3) the reactive organic compounds (ROC) contained in ... Appendix A for metal aerosol container) or ASTM D 3063-94 (as modified in Appendix A for glass aerosol container) The propellant portion is analyzed for reactive organic compounds and other compounds ... METHOD 310 DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS APPLICABILITY 1.1 This...
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Báo cáo y học: " Exhaled volatile organic compounds in patients with non-small cell lung cancer: cross sectional and nested short-term follow-up study" pptx
... inflammatory and oxidative lung processes, and different volatile organic compounds (VOCs) of endogenous or exogenous origin have been analyzed to study lung diseases [1] and characterize environmental and ... n-heptane-d16 and styrened8 methanolic solution (1.5 × 10-5 M) was added to each sample as internal standard (IS) for respectively aliphatic and aromatic compounds The exhaled VOCs and IS were ... Hoc test for benzene and toluene, Kruskal-Wallis test followed by Dunn's Post Hoc test for all the other VOCs were performed ethylbenzene and styrene levels than the COPD patients, and significantly...
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Tài liệu Glossary of Volatile Organic Compounds ppt
... ortho-, and para-xylene) Xylene is mostly a human-made chemical Chemical industries produce xylene from petroleum Xylene also occurs naturally in petroleum and coal tar and is formed during forest ... during forest fires Xylene is used as a solvent and in the printing, rubber, and leather industries It is used as a cleaning agent and a thinner for paint and varnishes Xylene is a major component ... difficulties, stomach discomfort, and changes in the liver and kidneys Studies of humans and animals have shown that xylene causes cancer, but these studies did not provide enough information to conclude...
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Source Identification of Volatile Organic Compounds in Houston, Texas pdf
... Generate a random series r with the same length as c (7292 elements) and variance νr2 ) (b) Perform FFT on c and r, and calculate their magnitude spectra and call them mfc and mfr (c) Plot mfc and mfr, ... for the data in this study was from 08/20/00 to 09/08/00, and the most sampling frequencies were about 1/4-6 min-1, but the frequencies for some periods were min-1 All the samples were used for ... plot for this source shows a broad contribution from the northwest and a spike in the south The motor vehicles on highways 225 and 146 and Spencer Hwy may increase the concentrations of c9- and...
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Total Volatile Organic Compounds (WOC) in Indoor Air Quality Investigations doc
... indicators for assessing the effects of volatile organic compounds (VOCs) in indoor air on comfort and health is reviewed Advantages and disadvantages of a TVOC (Iota1 Volatile Organic Compounds) ... Classzjication of indoor organic pollutants (WHO, 1989) Category Description Abbreviation Very volatile (gaseous) organic compounds VVOC Volatile organic compounds VOC organic compounds associated ... used for sampling, the sampling rate and volume, and the separation and detection system For all these reasons, published TVOC data are often not comparable and, consequently, there is a need for...
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Chemical evolution of volatile organic compounds in the outflow of the Mexico City Metropolitan area potx
... specifically on the characterization of volatile organic compounds (VOCs) in the MCMA, both on the ground and aloft and on the emission, transport, and transformation of VOCs downwind of the metropolitan ... individual and classes of VOC species This will be used to help understand the chemical transformation of air parcels as they are exported out of and downwind of the MCMA For organic compounds ... 32 compounds TOGA targeted included OVOC, NMHC, halogenated organic compounds and acetonitrile Simultaneous measurements were obtained for all compounds every 2.8 Measurement comparisons for...
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USEPA REGION 9 TECHNICAL GUIDELINES FOR ACCURATELY DETERMINING VOLATILE ORGANIC COMPOUND (VOC) CONCENTRATIONS IN SOIL AND SOLID MATRICES potx
... Method 5035, “Closed-System Purgeand-Trap and Extraction for Volatile Organics in Soil and Waste Samples,” and Method 5021, Volatile Organic Compounds in Soils and Other Solid Matrices Using Equilibrium ... American Society for Testing and Materials (2003) Standard Guide for Sampling Waste and Soils for Volatile Organic Compounds, ASTM Guide D 4547-03 Grant, C.L., T.F Jenkins, and A.R Mudambi (1996) ... Aqueous and Solid Samples for Volatile Organic Compound (VOC) Analysis,” a useful reference for VOC sampling and analysis.) Soil was deleted as an option for Method 5030, “Purge -and- Trap for Aqueous...
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Tài liệu Báo cáo khoa học: "Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System" pptx
... PST as a knowledge source for DA detection, we essentially need to model the relationship between the random DA and the random DR Denote the random DA by X and the random DR by Y Given a text ... (Larsen and Marx, 2000) of each word w in the ASR output Figure illustrates the PST for the sentences: Where is the Anping-Fort There are two keywords Where and Anping-Fort and two non-keywords is and ... sentence symbol, and D is a function defined on P for rule probability (Jurafsky and Martin, 2009) A derivation rule is defined to be a derivation of the form A → B → w where A, B ∈ V and w ∈ Σ The...
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Volatile organic compound emission and other trace gases from selected animal buildings ppt
... Quellgruppe Landwirtschaft Braunschweig : FAL, 279 p, Landbauforsch Völkenrode SH 260 Filipy J, Rumburg B, Mount G, Westberg H, Lamb B (2006) Identification and quantification of volatile organic compounds ... and non-odorous volatile organic compounds near a commercial dairy in California Atmos Environ 37(7):933-940 Schade GW, Crutzen PJ (1995) Emissions of aliphatic amines from animal husbandry and ... identified and measured the mixing ratios of major volatile organic compounds emitted by pigs and sheep in Germany The diurnal variations of carbon dioxide, nitrous oxide, methane, and ammonia...
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Volatile Organic Compound Concentrations and Emission Rates Measured over One Year in a New Manufactured House pptx
... on volatile organic compound concentrations in a call center Atmospheric Environment 37: 5517-5527 Hodgson AT, Rudd AF, Beal D and Chandra S 2000 Volatile organic compound concentrations and ... of volatile organic compounds in vinyl flooring Journal Air & Waste Management Association 51: 174-185 Hodgson AT 1999 Common Indoor Sources of Volatile Organic Compounds: Emission Rates and ... direct and immediate effects The influence of indoor temperature and relative humidity on the emissions and concentrations of formaldehyde has been studied and modeled in chamber experiments and...
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báo cáo hóa học:" Validation of a HLA-A2 tetramer flow cytometric method, IFNgamma real time RT-PCR, and IFNgamma ELISPOT for detection of immunologic response to gp100 and MelanA/MART-1 in melanoma patients" doc
... 0.2 and 0.3 μL for IFNγ and CD8, respectively Positive control cDNA (IFNγ and CD8 plasmid, Invitrogen) were run in duplicate at various concentrations to generate standard curves for IFNγ and ... at 10 and did not show detection in all 12 tests, therefore SD, % Recovery, and %CV is not analyzed) IFNγ plasmid at different copy numbers were used for assessment of LOQ and LOD Expected and ... Zane and Judi Baker from Beckman Coulter Immunomics for providing the control and MART-1 specific Jurkat T cells and their effort to manufacture a single batch of tetramers (gp100 and MART-1) for...
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Báo cáo sinh học: " Optical Nerve Detection by Diffuse Reflectance Spectroscopy for Feedback Controlled Oral and Maxillofacial Laser Surgery" pot
... Figure Standardized diffuse reflectance spectra for different hard and soft tissues (Transformation of the entire data set using a mean of zero and a standard deviation of 1) 0.837 Salivary Gland ... FS, AD, EN and MS performed the data analysis and assessment FS and MS conceived of the study, participated in design and coordination and drafted the manuscript All authors read and approved ... [20] We then used 47 parts for calculating the PCA and training the LDA and the remaining part for testing This was repeated for all 48 parts so that the predictions for all observations in the...
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Báo cáo sinh học: "A nanoporous interferometric micro-sensor for biomedical detection of volatile sulphur compounds" pot
... [17-19] RIfS sensing using AAO was demonstrated for sensitive organic and biomolecular detection in aqueous solution, but the application for detection of gas molecules has not yet been considered ... use of nanoporous anodic aluminium oxide [AAO] for reflective interferometric sensing of volatile sulphur compounds and hydrogen sulphide [H2S] gas Detection is based on changes of the interference ... based on a nanoporous AAO platform is simple, easy to miniaturise, inexpensive and has great potential for development of gas sensing devices for a range of medical and environmental applications...
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báo cáo hóa học:" Optical Nerve Detection by Diffuse Reflectance Spectroscopy for Feedback Controlled Oral and Maxillofacial Laser Surgery" ppt
... Figure Standardized diffuse reflectance spectra for different hard and soft tissues (Transformation of the entire data set using a mean of zero and a standard deviation of 1) 0.837 Salivary Gland ... FS, AD, EN and MS performed the data analysis and assessment FS and MS conceived of the study, participated in design and coordination and drafted the manuscript All authors read and approved ... [20] We then used 47 parts for calculating the PCA and training the LDA and the remaining part for testing This was repeated for all 48 parts so that the predictions for all observations in the...
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báo cáo hóa học:" A nanoporous interferometric micro-sensor for biomedical detection of volatile sulphur compounds" pdf
... [17-19] RIfS sensing using AAO was demonstrated for sensitive organic and biomolecular detection in aqueous solution, but the application for detection of gas molecules has not yet been considered ... use of nanoporous anodic aluminium oxide [AAO] for reflective interferometric sensing of volatile sulphur compounds and hydrogen sulphide [H2S] gas Detection is based on changes of the interference ... based on a nanoporous AAO platform is simple, easy to miniaturise, inexpensive and has great potential for development of gas sensing devices for a range of medical and environmental applications...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng 9 tr 25