classification and nomenclature of organic compounds ppt

... edition. One of the most obvious of these is in the title, which has been expanded to The Vocabulary and Concepts of Organic Chemistry in recognition of the fact that in addressing the language of a ... the overlap of a carbon sp 3 orbital and a hydrogen 1s orbital. Each bond is a result of the pairing of two electrons, one from each of the bonded atoms, and the electron density of the shared ... up of the 2s,2p x ,2p y , and 2p z orbitals; and the shell when n ϭ 3 is the M shell consisting of the 3s, the three 3p orbitals, and the five 3d orbitals. Although the origin of the use of the...

Ngày tải lên: 13/12/2013, 16:15

... 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 â2010, 2003, ... rights reserved. Organic chemistry is the chemistry of carbon compounds. Carbon has the ability to bond with itself to form long chains and, as a result, millions of compounds from simple ... Esters An ester is formed from the combination of a carboxylic acid and an alcohol. They are often highly aromatic compounds and are used for flavors and fragrances. O  Functional Group:...

Ngày tải lên: 14/02/2014, 08:20

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Ngày tải lên: 22/03/2014, 14:20

... burning oil, gas, and coal, and from discharges of ethylbenzene from factories. Ethylbenzene gets into the soil by spills of gasoline or other fuels and poor disposal of industrial and household ... part of crude oil, gasoline, and cigarette smoke. Benzene is one of the major components of JP-8 fuel. Industry is the main source of benzene in the environment. Emissions from burning coal and ... such as cigarette smoke and automobile exhaust. Route of exposure Styrene can be found in air, soil, and water after release from the manufacture, use, and disposal of styrene-based products....

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Ngày tải lên: 12/08/2014, 18:22

... with a mixture of groundnut, oil cake and rice bran; with periodic dressing of organic (manure) and inorganic fertilizers; 3–4 months of culture Stocking density is 15 fish m −3 of size 14 g or ... (1994) Peculiarities of feeding of pike and bream juveniles rearing in illuminated cages. Ecology 3, 23–28. Introduction and History of Cage Culture 39 Introduction and History of Cage Culture 5 Species ... thereby increasing drag, and this results in loss of nets and fish (Milne, 1970). Mechanical cleaning of fouled nets is still the most efficient and cheapest method of removing biofouling organisms,...

Ngày tải lên: 09/12/2013, 22:15

... typed commands. New users often prefer to use the system using the GUI. Advanced users often prefer to use commands to administer the sys- tem, they are often faster and more reliable. Commands can ... reliable. Commands can be typed in a command window. Typed commands are case sensitive, and most commands are lower case. Spaces are used to delimit (separate) commands and arguments, so they should ... memory space, and allowed to run for a fraction of a second every second. The list of commands below allow the processes in the computer to be seen. They also allow the general state of the machine...

Ngày tải lên: 20/01/2014, 02:20

... S05 Supply and stock of raw materials Issed by Date of release Version Page Hr. Bauer 00 1/5 Process owner: Hr. Bauer Process purpose and target: Transfer and storage of conformal ... PB-Nr: S05 Supply and stock of raw materials Issed by Date of release Version Page Hr. Bauer 00 5/5 Applicable documents Factory regulations Handling dangerous materials ... false storage Environment: Disposal quantity because of false storage PB-Nr: S05 Supply and stock of raw materials Issed by Date of release Version Page Hr. Bauer 00 2/5 flow/process...

Ngày tải lên: 25/01/2014, 00:20

... typed commands. New users often prefer to use the system using the GUI. Advanced users often prefer to use commands to administer the sys- tem, they are often faster and more reliable. Commands can ... extent of information system usage in organization (eg. MRP) - use of CAD/CAM at the front end. - availability of process planning and process data * Process planning is only part of CIM, and cannot ... that develops free software comprising a large portion of Linux rootThis is the user name of the system administrator 2.2.2 File and directories The directory and file structure of Linux is hierarchical,...

Ngày tải lên: 25/01/2014, 12:20

... of hatchets of different kinds of rock, nearly all of them found in the island of Capri, and which were to their royal owner the weapons of the heroes of mythology. Pliny tells of a thunder-bolt ... Dakota, and in the cinderheaps of Madisonville (Ohio), in Indiana, in Arkansas, on the shores of Lake Erie, and in a kitchen-midding of Long Island. The greater number of them are polished, and ... been cut by the hand of man. “An examination of them,” he said, “affords a proof of the efforts of our earliest ancestors to provide for their wants, and to obtain the necessaries of life.” He...

Ngày tải lên: 13/02/2014, 05:20

... dioxin- like toxicity and analytical results for dioxin and dioxin- distinguishing organic compounds of concern from the plethora of beneficial or benign organic compounds foundlike compounds on a toxic ... Assessment, Of- Webber, M.D., H.R. Rogers, C.D. Watts, A.B.A. Boxall, R.D. Davis, fice of Res. and Development, Washington, DC. and R. Scoffin. 1996. Monitoring and prioritisation of organic con- USEPA. ... and other organic materials that make up living plant and animal matter (Li et al., 2001). Additionally, A wide array of organic chemicals occur in biosolids and other some volatile organic compounds...

Ngày tải lên: 14/02/2014, 03:20

... confidence of the product and is an indication of the trust of the organic label. 12. Conclusion This paper has established the growing importance of organic products in the food system of the ... perceptions and attitudes regarding organic products; ã To identify the factors that affect the consumer’s preference and consumption of organic products. 3. The Model and Methods A sample of 200 ... was drawn randomly from rural and urban locations in the two main regions of the Eastern Cape, namely the former Transkei homeland area and the former Ciskei homeland area. By means of structured...

Ngày tải lên: 14/02/2014, 03:20

... bC e 1 ᎏ n ADSORPTION OF ORGANIC COMPOUNDS 13.3 CHAPTER 13 ADSORPTION OF ORGANIC COMPOUNDS Vernon L. Snoeyink, Ph.D. Ivan Racheff Professor of Environmental Engineering Department of Civil and Environmental ... introduced to the influent of a column ADSORPTION OF ORGANIC COMPOUNDS 13.7 FIGURE 13.4 Nonlinear isotherm for a het- erogeneous mixture of organic compounds. (Source: Randtke and Snoeyink, 1983.) FIGURE ... Snoeyink, and Lee, 1987b).The bed life is dependent upon the intensity and frequency of appearance of taste and odor compounds, the presence of organics that compete for adsorption sites ,and the concentration...

Ngày tải lên: 14/02/2014, 03:20

... layer of fine silty sand mixed with clay with a thickness of about 15 m. Below that is a layer of fine and coarse sand with a thickness of 120 m. surface 1.5m ab fine sand silty sand and clay ... m fine and coarse sand Fig. 5 Overview of the subsoil The extent and degree of soil and groundwater contamination have been investigated in several phases of drilling, sampling and analysing. ... top of the silty sand and clay layer (Fig. 5). About 3500 m 3 of soil in the unsaturated zone and the upper part of the phreatic aquifer have been contaminated with approximately 400 kg of...

Ngày tải lên: 14/02/2014, 08:20

... role of miRNAs with respect to the complicated regulation of the tran- scriptome and signal transduction. Although miRNAs and well-established cell signaling pathways have been the subject of recent ... few have focused upon the role of miRNAs in regulatory network of various cell signaling pathways. We summarize the current knowledge of the interdependence of miRNA and cell signaling pathways, ... differentiation and migration [13]. Recently, the mechanisms of transcription and the func- tional roles of miRNAs associated with MAPK signal- ing have been revealed. miR-21 is one of the most interesting...

Ngày tải lên: 14/02/2014, 19:20