... paper to show the reduction in the carbon dioxide (CO2) emissions achieved by way of cogeneration System configuration A simple gas – steam combined cycle with vapor refrigeration system has ... is the steam inlet pressure (Pa) and η p is the pump efficiency 3.10 Carbon dioxide (CO2) emissions saving To calculate the carbon dioxide (CO2) emissions saving, the first step is to calculate ... calculate the amount of CO2 emission ( QCO2 ) associated with the mass of coal burnt This is given by: QCO2 = C × m f ,c × η c , f (21) where C is the carbon fraction of the fuel (coal) and it can be...
Ngày tải lên: 05/09/2013, 15:28
... int? Mathematicians deal with concepts They can make up variables any time they want, and a single variable may have different meanings throughout the Chapter 3: Living with Variability — Declaring ... important Thus, 1U and 1u are equivalent Chapter 3: Living with Variability — Declaring Value-Type Variables Table 3-4 Common Constants Declared along with Their Type Constant Type int 1U unsigned ... variable n with all sorts of things, and the mathematician thinks nothing of it I don’t think about it much either except for that last line As the bumper stickers down here say, “Don’t mess with Texas.”...
Ngày tải lên: 04/10/2013, 21:20
Bài soạn Chapter 20 Organic Chemistry
... Structure Determines Properties • Organic compounds all contain carbon CO, CO2 , carbonates and carbides are inorganic other common elements are H, O, N, (P, S) • Carbon has versatile bonding patterns ... • Carbon uses sp3, sp2, and sp • • hybridization in forming the four bonds per carbon atom common to almost all carbon compounds With sp hybridization, there are two (2) π bonds and σ bonds With ... and σ bonds Chemistry, Julia Burdge, 2nd e., McGraw Hill Why Carbon sp3, sp2, and sp hybridization Chemistry, Julia Burdge, 2nd e., McGraw Hill FUNCTIONAL GROUPS Alkane Organic chemistry is...
Ngày tải lên: 28/11/2013, 01:12
Tài liệu THE VOCABULARY AND CONCEPTS OF ORGANIC CHEMISTRY pptx
... to bond with atomic orbitals of other atoms, they help to determine the shape of the molecule formed Example In much of organic (carbon) chemistry, the 2s orbital of carbon is mixed with: (a) ... bonding with three atoms; oxygen having six valence electrons will bond with two atoms; and fluorine, with seven valence electrons, will bond with one atom In forming covalent bonds with other ... Hydrocarbons 110 Functional Groups: Classes of Organic Compounds 139 Molecular Structure Isomers, Stereochemistry, and Conformational Analysis 221 Synthetic Polymers 291 Organometallic Chemistry...
Ngày tải lên: 13/12/2013, 16:15
Fundamentals of organic chemistry
... ADVICES FOR STUDYING ORGANIC CHEMISTRY Keep up with your studying day to day –– never let yourself get behind, or better yet, be a little ahead of your instructor Organic chemistry is a course ... (Almost)” as a bridge from general chemistry to your beginning study of organic chemistry Once you have a firm understanding of structure, the puzzle of organic chemistry can become one of very ... AND C HEMICAL B ONDS INTRODUCTION Organic chemistry is the study of the compounds of carbon The compounds of carbon are the central substances of which all living things on this planet are made...
Ngày tải lên: 15/01/2014, 12:45
hóa hữu cơ ( organic chemistry )
... Phan, Hoa T V Tran Organic chemistry , VNU-HCMC Publisher, 2010 [2] Nam T S Phan, ‘Study guide to organic chemistry , VNU-HCMC Publisher, 2009 [3] Paula Y Bruice, Organic chemistry , fifth edition, ... Optically active 22 Asymmetric carbon An asymmetric carbon is a carbon atom that is bonded to different groups Optically active (chiral) 23 Isomers with one asymmetric carbon Nonsuperimposable mirror-image ... Prentice Hall, 2007 [4] Francis A Carey, Organic chemistry , fifth edition, McGraw-Hill, 2003 [5] Paula Y Bruice, ‘Study guide and solutions manual Organic chemistry , fifth edition, Pearson Prentice...
Ngày tải lên: 23/01/2014, 11:39
ORGANIC CHEMISTRY (hóa học hữu cơ _FOURTH EDITION_Maitland Jones, Jr. Steven A. Fleming
... organic chemistry in his or her future—and that’s nearly everyone these days How to Study Organic Chemistry Work with a Pencil We were taught very early that Organic chemistry must be read with ... help you to deal with questions such as these, and many more we can’t even think up yet What Is Organic Chemistry? Organic chemistry is traditionally described as the chemistry of carbon- containing ... in organic chemistry And the future will be filled with more organic chemistry and more questions What’s a buckyball or a nanotube, and how might it be important to my life? How might an organic...
Ngày tải lên: 07/02/2014, 22:29
Tài liệu Small Scale Laboratory: Organic Chemistry at University Level doc
... these practices, particularly for organic chemistry laboratory Due to the nature of the organic chemistry laboratory which is more complicated than the general chemistry laboratory, many kinds ... before and combine with the first separating layers Wash the combined organic fractions with a tiny amount of water (0.3 mL) to remove any inorganic materials dissolved in the organic layers by ... Place the cotton wool both with and without activated carbon in the appropriate waste container Pour the solvents that are miscible with water down the drain and flush with copious amount of water...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu Nutritional care and support for people living with HIV/AIDS A training course pptx
... people living with HIV 89 Annex 4: Sources of further information 91 Nutrition Care and Support for People Living with HIV: Director’s Guide ii Nutrition Care and Support for People Living with ... people living with HIV Nutrition Care and Support for People Living with HIV: Director’s Guide 10 Facilitators should: Be convinced that nutritional care and support for people living with HIV ... workers Nutrition Care and Support for People Living with HIV: Director’s Guide 12 Course participants should; Be comfortable working with people living with HIV Have moderate literacy skills and...
Ngày tải lên: 21/02/2014, 17:20
Advancing the Sexual and Reproductive Health and Human Rights of People Living With HIV pdf
... workers to the sexual and reproductive health needs of people living interact personally with people with HIV People living with with HIV Governments and donors should acknowledge and HIV and ... abortion.29 Health care workers should be should provide pregnant women living with HIV with trained to provide women living with HIV with comprehensive insecticide-treated bed nets, tuberculosis treatment, ... reproductive health and human rights of people living living with HIV to care for themselves and their children, with HIV, it is essential that people living with HIV play a avoid risky behaviours and...
Ngày tải lên: 05/03/2014, 16:20
Reproductive Choice for Women and Men Living with HIV: Contraception, Abortion and Fertility pdf
... dealing with women and men living with HIV Access to family planning services and the range of contraceptive options must be ensured for women and men living with HIV Particularly in countries with ... safe and effective for HIV positive women, both with asymptomatic HIV and AIDS.19 Although women living with HIV make up 59% of all adults living with HIV in sub-Saharan Africa,7 there is still ... providers must not exert any pressure on women living with HIV with respect to decisionmaking about pregnancy termination Induced abortion for women living with HIV has been overlooked in research...
Ngày tải lên: 05/03/2014, 17:20
Microorganisms Associated with Volatile Organic Compound Production in Spoilt Mango Fruits docx
... metabolites which includes: alcohols, sulphur compounds, ketones, hydrocarbons, fluorescent pigments, organic acids, esters, carbonyls, and diamines Microbial product quality or shelf-life indicators ... and identifying microorganisms associated with spoilt mango fruits in Sokoto metropolis; extract and identifying volatile organic compounds associated with spoilt sweet pepper using GC-MS Materials ... 2001) The importance of these esters has been describe to contribute to food aroma with the fact that esters with low carbon atoms are highly volatile at precursors (Izco and Torre, 2000; Nogueira...
Ngày tải lên: 05/03/2014, 20:20
EXPERIMENTAL ORGANIC CHEMISTRY pptx
... handling problems in organic chemistry A chapter of the book is devoted to detailed directions for carrying out the simpler operations used in laboratory work in organic chemistry In order that ... Pure Organic Compounds." A number of experiments on fats, carbohydrates, and proteins have been adapted, with the permission of the author, from a laboratory manual in descriptive organic chemistry ... covered again with the solvent, and washed as before Crystals should never be EXPERIMENTAL ORGANIC CHEMISTRY washed by pouring the solvent over them while the filter-bottle is connected with the pump...
Ngày tải lên: 05/03/2014, 20:20
Introduction to Organic Chemistry doc
... 58 Chem Nat Substances p Introduction to Organic Chemistry An Introduction to Organic Chemistry Organic chemistry is the study of carbon containing compounds and their properties This ... Substances p20 Introduction to Organic Chemistry Alkenes and Alkynes When hydrogen is removed from an alkane multiple carbon- carbon bonds result Hydrocarbons that contain a carbon- carbon double bond are ... most likely inorganic Organic Compounds Inorganic Compounds Use mostly covalent bonding Mostly ionic bonding Are gases, liquids or solids with low melting points Are generally solids with high melting...
Ngày tải lên: 05/03/2014, 20:20
PRACTICAL ORGANIC CHEMISTRY potx
... experimental operations in organic chemistry which occur with greatest frequency are those which are concerned, directly or indirectly, with the isolation and purification of organic compounds It is ... and Complete Recrystallisation Students should be supplied with distilled water and with the more common organic solvents, and also with the compounds mentioned below Taking each compound in ... universally found that departments of organic chemistry are more costly to maintain than other science departments, primarily because of the heavy consumption of organic reagents and solvents, and...
Ngày tải lên: 05/03/2014, 20:20
Sexual and Reproductive Health Needs of Women and Adolescent Girls living with HIV pdf
... research included 182 respondents, including women and adolescent girls living with HIV, male partners of women living with HIV, providers, and policy influentials The research explored the ... worldwide living with HIV Due to women’s greater physiological, socio-cultural and economic susceptibility to HIV infection, it is likely that the proportion of female adults and young women living with ... Number Living with HIV/AIDS BRAZIL3 0.7% 660,000 ETHIOPIA4 4.4% 1,500,000 UKRAINE5 1.4% 590,000 B Women and HIV Anti-Retroviral Therapy Availability Women represent 36 % of those living with HIV/AIDS...
Ngày tải lên: 14/03/2014, 14:20
ORGANIC CHEMISTRY LABORATORY PROCEDURES pdf
... Sodium bicarbonate (aqueous) will be added to the ether solution Only the aspirin reacts with the sodium bicarbonate O O C OH O C O C acetyl salicyclic acid + NaHCO ONa O CH3 O sodium bicarbonate ... Sodium bicarbonate (aqueous) will be added to the ether solution Only the aspirin reacts with the sodium bicarbonate O O C OH O C O C acetyl salicyclic acid + NaHCO ONa O CH3 O sodium bicarbonate ... removed The aspirin is reacted with sodium bicarbonate to form a soluble salt The polymer which is insoluble is then filtered off O O C OH O C O C CH3 O sodium bicarbonate acetyl salicyclic acid...
Ngày tải lên: 14/03/2014, 19:20
ORGANIC CHEMISTRY LABORATORY MANUAL pdf
... 114 Organic Laboratory Equipment and Procedures Organic Chemistry I and II Lab Manual Organic Laboratory Equipment and Procedures Introduction: Organic chemistry lab is different from general chemistry ... Introduction Organic Chemistry I and II Lab Manual Introduction Organic chemistry is a fascinating field Think about it, of roughly 110 elements on the periodic chart, organic chemistry is a ... “other” (or, more appropriately, “inorganic”) Now, even though we know that organic compounds can be made from inorganic compounds synthetically, the chemistry of carbon is so closely related to...
Ngày tải lên: 14/03/2014, 19:20
ORGANIC CHEMISTRY docx
... inorganic chemistry Combustion analysis soon established that the compounds derived from natural sources contained carbon, and eventually a new definition of organic chemistry emerged: organic chemistry ... One branch was concerned with matter obtained from natural or living sources and was called organic chemistry The other branch dealt with substances derived from nonliving matter—minerals and ... mechanistic organic chemistry He is coauthor (with Richard J Sundberg) of Advanced Organic Chemistry, a two-volume treatment designed for graduate students and advanced undergraduates, and (with Robert...
Ngày tải lên: 14/03/2014, 20:20
Guide to Living with Diabetes Preventing and Treating Type 2 Diabetes— Essential Information You and Your Family Need to Know ppt
... Medical Association Guide to Living with Diabetes ffirs.qxd 7/11/06 2:14 PM Page ii ffirs.qxd 7/11/06 2:14 PM Page iii American Medical Association Guide to Living with Diabetes Preventing and ... fatty meats and snack foods) with healthy plant-based fats (such as olive oil) and omega-3 fatty acids (from fish) Work with your doctor or a dietitian to come up with an eating plan that will ... fiber-rich cereal with skim milk and a piece of fruit or a hard-boiled egg and a slice of whole-grain toast (dry or with a plant sterol spread, not butter or stick margarine made with trans fats)...
Ngày tải lên: 15/03/2014, 12:20