henry apos s law constants of organic compounds
Tài liệu ADSORPTION OF ORGANIC COMPOUNDS doc
... curves shown in later sections (see Figures 13.15 and 13.22, for example) also illustrate some of these effects GAC ADSORPTION SYSTEMS Characteristics of GAC Physical Properties A wide variety of ... (with units of mass adsorbate/mass adsorbent, or mole adsorbate/mass adsorbent) and Ce (with units of mass/volume, or moles/volume) are the equilibrium surface and solution concentrations, respectively ... thus has as its only objective the removal of dissolved organic compounds Backwashing of these adsorbers is unnecessary for particle removal, but if extensive biological growth occurs, backwashing...
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Tài liệu NOMENCLATURE OF ORGANIC COMPOUNDS docx
... (ethoxyethane) Carbonyl Compounds Carbonyl compounds all contain a O This includes several types of compounds: Aldehydes Ketones Carboxylic acids Esters Amides a) Aldehydes O Functional Group: ... first ten alkanes are given in the following table Not all the alkanes are straight chained compounds, as shown in the previous table, they can have side chains or branches These variations of compounds ... carbon triple bond The suffix used is –yne Naming is the same as used for alkanes, except that the parent structure is the longest continuous chain of carbon atoms that contains the carbon-carbon...
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DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... Mass 69 Low-mass resolution 70 50% of Mass 198 High-mass resolution and sensitivity 443 15-24% of Mass 442 High-mass resolution and isotope ratio All ions are used ... Mid-mass resolution and sensitivity 199 5-9% of Mass 198 Mid-mass resolution and isotope ratio 275 10-60% of the base peak Mid- to high-mass sensitivity 365 >1% of the base peak Baseline threshold...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... computed as the summation of the respective distance contributions of C, R and S as r o = r cj + r ij + r is cs In some cases, such as in ring systems, this “zero-order” distance is adjusted (see below) ... expressed as a multipole expansion δ ( ∆E ) field = δ qc q s / r cs De + δ qc µ s cos θ cs r cs De + δ µ c qs cos θ cs / r cs2 De + δ µ c µ s cos θ cs cos θ cs / r cs De + …… where qs is the ... Table shows the observed versus SPARC calculated microscopic constants for several systems containing ionizable sites The notation for the macroconstants follows the scheme first proposed by Hill...
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heats of hydrogenation experimental and computational hydrogen thermochemistry of organic compounds
... for a series of 18 alternating injections of standard and sample leads to a series of ratios of verticals which is the series of ^(sample) /g(standard) ratios we seek for replicate solutions of ... molecular strain, for example, resonance stabilization of aromatic compounds, conjugative stabilization of linear polyenes and polyynes, and steric effects in cisand trans- isomers Kistiakowsky 's measurement ... Kistiakowsky 's early work on relatively small molecules involved hydrogenation in the gaseous phase For reasons of limited vapor pressure of substances of current interest, his methods are unlikely...
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electrolysis and electrosynthesis of organic compounds
... supersulphides which correspond alkali salts give acid with the superoxides: R.CSS -L- R.CSS = R.CSS\ ( UNIVERSIT R CSS/ ' 'V^u In contrast to the acid superoxides, the acid supersulphides are stable ... THH Acids The ^ UNIVERSITY I investigation of acids has beefr^much-^nlore extensive than that of those classes of bodies which have been thus * far discussed The conditions here Bull soc chim., ... ester Electrolysis of Diacetyl-succinic ester Acid amides - 42-43 43~44 Cyanogen Compounds Hydrocyanic acid, electrolysis and electrosynthesis of Potassium cyanide Potassium ferrocyanide Potassium...
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electrochemistry of organic compounds 1903 - lob & lorenz
... An example of the first kind of decomposition is furnished by the electrolysis of potassium xanthate l : C2H5OCSSK-2 C2H5OCSS'+2 K \ CsHsOCSS-CsHsOCSS-SSCOCsHs In this case two anions unite to ... processes Oxidation and substitution reactions have more rarely been the subject of successful researches Pyrogenic decompositions and syntheses of organic substances produced by the induction spark, ... quantities of organic bodies This oxidation process is hence both a secondary and a chemical one Nevertheless, it possesses the essential features of an electrochemical process, the substance being...
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Structure Determination of Organic Compounds - Tables of Spectral Data
... different spectroscopic methods, Chapter for each class of structural elements supplies spectroscopic information obtained with various techniques These two chapters should assist users less familiar ... 718 32 Summary Tables 2.5.7 Indicators of the Presence of Heteroatoms In low-resolution mass spectra, one often observes characteristic isotope patterns, specific masses of fragment ions, and ... (in solution) (solid) 18 Summary Tables 2.5 Mass Spectrometry 2.5.1 Average Masses of Naturally Occurring Elements with Masses and Representative Relative Abundances of Isotopes [1–3] Element Isotope...
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Application of house’s model for translation quality assessment in assessing the english version of the vietnam’s law on investment no. 59/2005/qh11
... discussion The Law has been translated into English by several translators An assessment of the English version of this law is thus desirable 2 Significance of the study The results of this study ... House s model for translation quality assessment in assessing English translations of Vietnamese legal documents This is done through the application of the model in assessing the English version of ... different views on equivalence will be discussed but there shall be no separate discussion of translation assessment; instead, it is implied that assessment of a translation is based on the respective...
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Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model
... field estimates of the parameters of the model With this, there now exist two results of the mass emission rate of NMOC Figure Graph of frequency against range of emission values of NMOC Discussion ... landfill gas composition from one emission source to another across a landfill and within a given emission source Emission sources include passive vents, soil surfaces, and gas collection systems The ... results Conclusions • This study has demonstrated the utility of the Landfill Gas Emission Model for estimating the total annual mass emission of nonmethane organic compounds (NMOCs) especially when...
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Dictionary of food compounds additives, flavors, and ingredients yannai s 2004
... Gum agar Gelose Japan agar Bengal isinglass Ceylon isinglass Chinese isinglass Japan isinglass FEMA 2012 E406 See also Agarose, A-142 Consists of a mixt of polysaccharides, Agarose A142 and Agaropectin, ... reference resolution review room temperature subcutaneous separation skin slightly soluble solution solvent species (singular) sparingly species (plural) subspecies sublimation, sublimes synthesis tautomerism ... to possible dangers associated with the use of these compounds The absence of such information should not, however, be taken as an indication of safety in use or misuse Library of Congress Cataloging-in-Publication...
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Tài liệu Glossary of Volatile Organic Compounds ppt
... cause eye and skin irritation, drowsiness, dizziness, rapid heartbeat, headaches, nausea, tremors, confusion, and unconsciousness Exposure to high levels of benzene can cause those symptoms plus ... can cause unconsciousness, low blood pressure, and loss of heartbeat In some animals, exposure to high levels damages the breathing passages, affects the nervous system, and causes mild harm to ... chemical used mostly to make rubber and plastics Low levels of styrene occur naturally in a variety of foods such as fruits, vegetables, nuts, beverages, and meats Styrene is also present in combustion...
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Tài liệu Cleaner Water in China? The Implications of the Amendments to China’s Law on the Prevention and Control of Water Pollution pptx
... Discharge Permit Systems.51 Under these different systems, permits have been issued in increasing numbers In 1996, over forty thousand permits were issued in the cities that implemented a system.52 ... items covered by federal WEQ standards or establish local standards for items not covered.84 The development of these standards is similar to the standards in the United States The EPA sets treatment ... permitting of discharges As a result, the development of the permit system has been “practice ahead of legislation, local legislation ahead of state legislation.”41 This has led to a permit system...
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ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc
... analysed term into its molecular structure Systematic names are those expressed in terms of the official nomenclature, whereas trivial terms are usual designations for them Semi-systematic names ... illustrates a very interesting case of lexical ambiguity solved by OCLAS during syntactic and semantic analysis Solving this kind of ambiguity is not a trivial task, since analysis here does not consist ... (whose type is process) The semantic analysis is started by the combinator
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Volatile Organic Compounds in the Nation’s Ground Water and Drinking-Water Supply Wells pdf
... climates public wells sparse hydric soils septic systems RCRA facilities Type of variable S T T S T S S I F T T S T I T F S F T S I T S T F T T T S S S S S F T I T S S T F I S S F S T I S ... aquifer studies This is the first national assessment of the occurrence of a large number of VOCs with different uses, and the assessment addresses key questions about VOCs in aquifers The assessment ... appreciated Summaries of water-quality studies for the 51 Study Units assessed in the first decade of the NAWQA Program, as well as Study Units scheduled for assessments in the Program s second decade,...
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DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS doc
... per S R S D Sheet Where: S = mass, in grams, of the dryer sheet sample R = mass, in grams, of sample residue by gravimetric analysis D = mass, in grams, of the single dryer sheet 4.3 Consumer ... compound s vapor pressure and a residual fixed gas pressure The vapor pressure s dependence on absolute temperature is represented by an Antoine expression, and the fixed gas as pressure is directly ... reactive organic compounds in the sample, including the presence of any prohibited compounds This analysis is conducted by performing the following tests:3 5.3.1 Gravimetric analysis of samples to...
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Source Identification of Volatile Organic Compounds in Houston, Texas pdf
... was selected as the best solution The results are discussed below The profiles and time-resolved contributions of nine sources are shown in Figures and To describe the contribution variation of ... overfitting of c13-benzene for the case of 10 sources Neither poor fit nor over fit is acceptable So the number of sources for this analysis was chosen to be During the experiments, FIGURE Profiles of ... series of xylene, which has 7292 measurements Thus, the key steps to estimate the measurement uncertainty from the measurement series are as follows: (a) Generate a random series r with the same...
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Chemical evolution of volatile organic compounds in the outflow of the Mexico City Metropolitan area potx
... anthropogenic and biomass burning organic aerosols during MILAGRO: implications for assessing treatments of secondary organic aerosols, Atmospheric Chemistry and Physics Discussions, 9, 4805–4871, ... sources Secondary sources of these species were found to be large at T1 (de Gouw et al., 2009) Less is known about the emissions of the alcohols But methanol is one of the most prevalent VOCs ... evaporative emissions, exhaust, industrial, liquefied petroleum gas, and biomass burning Sources of OVOCs include primary anthropogenic emissions, primary biogenic emissions, biomass burning, and secondary...
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Đề tài "Weyl’s law for the cuspidal spectrum of SLn " pptx
... subgroups L containing the Levi component M0 of the standard minimal parabolic subgroup P0 , S is a finite set of places of Q, and (M (QS ))M ,S is a certain set of equivalence classes in M (QS ... little is known about the existence of cusp forms in general In this paper we will address the question of existence of cusp forms for the group G = SLn The main purpose of this paper is to prove ... theory of the Rankin-Selberg L-functions [JPS] The paper is organized as follows In Section we prove some estimations for the heat kernel on a symmetric space In Section we establish some estimates...
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