As for tho nfter-conversion of the pcntnsulphidc itself iiito tliiosulplintc, wc hnve to rccognisc, first, tho occiirrencc of itsliydrol sis into cnlciuiii Iiydrosidc, ~iyt~rogcii eu~li~iit~c, nnt1 s&~iiir, n, fnct nlrcndy s~ioivn iii this pnpcr to bo cstnLlidict1; sccondly, tho ntniosphcric osidnti
The prediction of the effects of tobacco type on smoke composition from the pyrolysis modeling of tobacco shreds
β Scribed by Sung-Chul Yi; Mohammad R. Hajaligol; Sung Hoon Jeong
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 935 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0165-2370
No coin nor oath required. For personal study only.
β¦ Synopsis
The influence of tobacco type on the selected volatile products of smoke from pyrolyzing tobacco has been investigated by means of a concentrated-parameter model for the conservation of volatile species masses and enthalpies. Pyrolysis products are formed via a reaction scheme based on a large number of parallel first-order reactions with a distributed activation energy expressed by a Gaussian distribution function. The dynamics of volatile species evolution was presented, and the ratio of the smoldering (sidestream) to puffing (mainstream) for the yields of some selected volatile species was simulated which reasonably compares with the existing experimental data.
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The residues and metabolites of radiolabelled imidacloprid [1-(6chloropyridin-3-ylmethyl)-N-nitroimidazolidin-2-ylideneamine], formulated as a wettable powder containing 250 g kg~1 active ingredient diluted with water and administered to tobacco plants, were studied in sidestream and mainstream smok
## Abstract In the last few years, the price of cigarettes has increased considerably in the USA. In addition, a number of states have also imposed smoking bans. These increases in the cost and barriers to smoking have created a natural experiment to study relationships between smoking and drinking