Difference between revisions of "Isomer"
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==''Ortho-'' and ''para-''== | |||
Ortho and para refer to the orientation of the object inducting the other object. | |||
{{EmbedViewer | {{EmbedViewer | ||
|pname = | |pname = cisorthoparatrans | ||
|position = center | |position = center | ||
|caption = [[Cis-carrier on table]], [[Ortho-carrier on table]], [[Para-carrier on table]], and [[Trans-carrier on table]], in order. | |caption = [[Cis-carrier on table]], [[Ortho-carrier on table]], [[Para-carrier on table]], and [[Trans-carrier on table]], in order. | ||
|viewerconfig = #C [[ AUTOSTART GPS 2 WIDTH 640 HEIGHT 640 ]] | |viewerconfig = #C [[ AUTOSTART GPS 2 WIDTH 640 HEIGHT 640 ]] | ||
}} | }} | ||
=="Up" and "down"== | =="Up" and "down"== | ||
| Line 33: | Line 33: | ||
==See also== | ==See also== | ||
*[[Pattern naming]] | |||
*[[Bridge]] | *[[Bridge]] | ||
*[[Siamese]] | *[[Siamese]] | ||
*[[Tie]] | *[[Tie]] | ||
*[[Weld]] | *[[Weld]] | ||
Revision as of 19:01, 31 March 2019
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An isomer is any of two or more objects each consisting of the same individual parts with different relative arrangements. These objects are distinguished using various affixes described below.
Cis- and trans-
The cis- prefix refers to the isomer in which the denser parts of each component are more "bunched together," while the trans- prefix refers to the isomer which is more "spread apart."
| Cis-beacon on table (left) and trans-beacon on table (right) (click above to open LifeViewer) RLE: here Plaintext: here |
Ortho- and para-
Ortho and para refer to the orientation of the object inducting the other object.
| Cis-carrier on table, Ortho-carrier on table, Para-carrier on table, and Trans-carrier on table, in order. (click above to open LifeViewer) RLE: here Plaintext: here |
"Up" and "down"
Isomers can be further distinguished with the up and down interfixes. Up refers to isomers in which one object "points" to the denser part of the other, while down means it points to the less dense part.
| The four isomers of beacon on long hook. Top: Cis-beacon down and Trans-beacon down Bottom: Cis-beacon up and Trans-beacon up (click above to open LifeViewer) RLE: here Plaintext: here |