classification of organic compounds based upon functional group
Tài liệu ADSORPTION OF ORGANIC COMPOUNDS doc
... bCe1ᎏnADSORPTION OF ORGANIC COMPOUNDS 13.3CHAPTER 13ADSORPTION OF ORGANIC COMPOUNDS Vernon L. Snoeyink, Ph.D.Ivan Racheff Professor of Environmental EngineeringDepartment of Civil and Environmental ... is dependent upon the intensity and frequency of appearance of taste andodor compounds, the presence of organics that compete for adsorption sites,and theconcentration of these compounds that ... (DCP) was introduced to the influent of a columnADSORPTION OF ORGANIC COMPOUNDS 13.7FIGURE 13.4 Nonlinear isotherm for a het-erogeneous mixture of organic compounds. (Source: Randtke and Snoeyink,...
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Tài liệu NOMENCLATURE OF ORGANIC COMPOUNDS docx
... atoms) IV. Naming Functional Group Compounds Derivatives are formed by replacing one or more of the hydrogens in a hydrocarbon by a FUNCTIONAL GROUP. The functional group is responsible ... acetamide) A summary of the functional group compounds, their structures and names is listed in tables on the next two pages. 1 NOMENCLATURE OF ORGANIC COMPOUNDS ©2010, 2003, 1980, ... Derivatives of the Hydrocarbons These functional group compounds contain at least one oxygen atom in its structure. 1. Alcohols Functional Group: OH General Formula: ROH Naming of alcohols:...
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DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... degrees of freedomn = number of replicatesS = standard deviation of replicate analyses13.2 Problem Compounds RF(Ax) (Qis)(Ais) (Qx)525.2-20identifications. If fewer than 99% of the compounds ... abundance of the quantitation ion of the analytexA = integrated abundance of the quantitation ion internalis standardQ = quantity of analyte injected in ng or concentration unitsxQ = quantity of ... use of very small volumes of organic solventand very small quantities of pure analytes, thereby eliminating the potentialhazards to both the analyst and the environment involved with the use of...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... affinities and both functional groups make important contributions to the hydrogen ion concentration (i.e., appreciable concentrations of the acidic and the basic forms of both functional groups are ... other group is ionized and one when the other group is not ionized. When the pKa's of the ionizing groups are arithmetically far apart (as those of glycine shown in Figure 3) knowledge of ... March 2003 PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC By S.H. Hilal and S.W. Karickhoff Ecosystems Research...
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Tài liệu Glossary of Volatile Organic Compounds ppt
... Two natural sources of benzene are volcanoes and forest fires. Benzene is a natural part of crude oil, gasoline, and cigarette smoke. Benzene is one of the major components of JP-8 fuel. Industry ... effects of carbon tetrachloride at the levels found among the Churchill County study population are not known. Return to menu Glossary of Volatile Organic Compounds ... nonsmokers and 0.66 ppb for smokers). The effect of benzene exposure on the general population at current levels of exposure is not known. The health effects of benzene at the levels found among the...
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Tài liệu Báo cáo khóa học: The PAS fold A redefinition of the PAS domain based upon structural prediction ppt
... quality, based upon their z-scores (rangingfrom )3.82 to )7.85). 1LL8 is the only structure based upon NMR studies, and only 2.2% of the best models used 1LL8as template structure. The z-scores of ... of the PAS fold, based upon structuralinformation rather than sequence information. Annotation of protein sequences by domain analysis tools such asPFAM and SMART is based upon sequence homology ... structure.5The distribution of thepercentage best model, for each of the 672 best models, is presented inthe left panel. Of the six template structures used, 54% of the sequencesgive the best...
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ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc
... chemical compounds. 2. THEORETICAL BACKGROUND 2.1. Principles of Organic Chemistry The organic chemistry is the branch of chemistry that studies the carbon based chemical compounds. ... Cheminformatics analysis of organic substituents: Identification of the most common substituents, calculation of substituent properties, and automatic identification of drug-like bioisosteric groups. J. ... presented here is a very useful automatic Organic Chemistry instructor specialized in the analysis of names of organic chemical compounds and in the generation of their chemical structure pictures....
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Báo cáo khoa học: Functional dissection of Escherichia coli phosphotransacetylase structural domains and analysis of key compounds involved in activity regulation potx
... Activation of the acetyl phosphate synthesis activity of E. coli Pta by different concentrations of pyruvate and PEP. Results are presented as percentage of activity in the presence of PEP or ... (Fig. 5A). In the case of pyruvate,although partial reversal of NADH inhibition wasobserved, total reversal of ATP inhibition was found(Fig. 5A).The regulatory properties of the truncated Ptas ... sharehomology with the C-terminal domain of PtaIIs.Thus, the active site of PtaIIs is probably located atthe C-terminal end of the protein, and the role of the PtaII N-terminal domain has not...
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Mortgage Loan Fraud: An Update of Trends based Upon an Analysis of Suspicious Activity Reports doc
... 2006 FinCEN Mortgage Loan Fraud Comparison of Growth of Total Mortgage Loan Fraud SARs And Growth of SARs Indicating Mortgage BrokerAs the Occupation of the Subject0%20%40%60%80%100%120%Apr ... and nancial consequences of this fraud. Sampled narratives frequently specied that victims of this type of fraud were elderly.Loan applications were made in the name of deceased owners. The ... purpose of this report, identity fraud was dened as the unauthorized use of a social security number issued to another individual or use of an invented social security number for the purpose of...
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DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS doc
... fraction of non-exempted volatile organic compounds in the non-propellant portion. n = number of non-exempted volatile organic compounds in the non-propellant portion. WL = weight (gm) of the ... fraction of water in the non-propellant portion. EL = weight fraction of exempt compounds in the non-propellant portion. WP = weight (gm) of propellant. EP = weight (gm) of exempt compounds ... TO DETERMINE REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS This section specifies the procedure for determining the percent by weight of the reactive organic compounds contained in...
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Analysis of the atmospheric distribution, sources, and sinks of oxygenated volatile organic chemicals based on measurements over the Pacific during TRACE-P pdf
... SINGH ET AL.: OXYGENATED ORGANICS IN THE ATMOSPHERE 3of2 0D15S07Analysis of the atmospheric distribution, sources, and sinks of oxygenated volatile organic chemicals based onmeasurements over ... profiles of individual oxygenated species. (b) Comparison of total oxygenated volatile organic chemical (SOVOC)abundance with that of total nonmethane hydrocarbons (SNMHC). TAN is the sum of ... twicethat of nonmethane hydrocarbons (SC2-C8NMHC). Throughout the troposphere, theOH reactivity of OVOC is comparable to that of methane and far exceeds that of NMHC. A comparison of these...
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One dimensional organic nanostructures a novel approach based on the selective adsorption of organic molecules on silicon nanowires
... semi-conducting upon adsorption of 4 L of PQ.STM and scanning tunneling spectroscopy (STS) studies of theadsorption of PQ and THAP on the SiNWs were performed in a ser-ies of interconnected ... be-tween the Si dimers of the nanowires and the dicarbonyl groups of the molecules via a [4 + 2] cycloaddition, resulting in the formation of strong covalent bonds at the organic inorganic interface. ... LettersOne-dimensional organic nanostructures: A novel approach based on theselective adsorption of organic molecules on silicon nanowiresEric Salomon*, Antoine KahnDepartment of Electrical Engineering,...
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detection of organic gases using tio2 nanotube - based gas sensors
... Characterization of nanotubular TiO2 films Figure 1 shows SEM images of the surface of TiO2 thick films composed of nanoparticles (a) and nanotubes (b-d). Uniform TiO2 nanotubes of 600 nm ... feature of TiO2 -based gas sensors is that they can be operated at high temperature because of the good chemical stability of TiO2 [1-3]. For semiconductor gas sensors, the porosity of sensing ... gas sensing films composed of TiO2 nanotubes prepared by a hydrothermal treatment for the detection of organic gases, such as alcohol and toluene. The morphology of the sensing films was controlled...
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Source Identification of Volatile Organic Compounds in Houston, Texas pdf
... The principle of the PTR-MS is the reaction of organic species in ambient air with H3O+ions, generatedfrom thehollow cathode discharge of watervapor, to producethe protonated organic species ... contribution plotfor this source shows a number of peaks, noneof whichwereon the weekends, and the KD value of this source is 0.579.This agrees with the result of weekend factor. The significantvariation ... TECHNOLOGY91345Source Identification of Volatile Organic Compounds in Houston,TexasWEIXIANG ZHAO,†PHILIP K. HOPKE,*,†AND THOMAS KARL‡Department of Chemical Engineering, Clarkson University,Box...
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Đề tài " The classification of pcompact groups for p odd " pdf
... Weyl group of a self-centralizing rank twonontoral elementary abelian p-subgroup of a connected p-compact group. (TheWeyl group of an elementary abelian p-subgroup ν : E → X of a p-compact group ... builds upon. 2. Skeleton of the proof of the main Theorems 1.1 and 1.4The purpose of this section is to give the skeleton of the proof of the mainTheorems 1.1 and 1.4, but in the proofs referring ... p-subgroupν : E → X the induced map ϕν,Vis independent of the choice of therank one subgroup V of E. Then there exists a map in the homotopycategory of spaces from the centralizer diagram of...
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