Dictionary » F » Flash

Flash

Flash

1. A pool.

2. (Science: engineering) a reservoir and sluiceway beside a navigable stream, just above a shoal, so that the stream may pour in water as boats pass, and thus bear them over the shoal.

(Science: mechanics) flash wheel, a paddle wheel made to revolve in a breast or curved water way, by which water is lifted from the lower to the higher level.

Origin: oe. Flasche, flaske; cf. OF. Flache, f. Flaque.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Evolution of fireflies

... without thinking about all the intermediate steps needed to get there. I'm not an entomologist but I suspect that this began as simply the males flashing a brightly-colored part of their body (abdomen?). There are advantages for insects to be active at night, since there are fewer predators, ...

See entire post
by thoffnagle
Thu Jun 06, 2013 9:44 pm
 
Forum: Evolution
Topic: Evolution of fireflies
Replies: 4
Views: 2529

Problems making chemically competent cells

... volume) of RF2. 10. Incubate the cell suspension on ice for 15 minutes. 11. Aliquot the cells into pre-chilled eppendorfs. 12. (Immediately flash freeze the aliquots in liquid nitrogen, then store at -70°C.) Solutions: RF1 Compound (end concentration) Amount for 100ml RbCl (100mM) 1.2g MnCl2•4H2O ...

See entire post
by lilruthc
Fri Feb 08, 2013 1:09 pm
 
Forum: Molecular Biology
Topic: Problems making chemically competent cells
Replies: 1
Views: 2659

Re: Why do Africans have large noses and lips?

... is just down right, sad. Amazing the title could not have read "why do some ethnicities have larger noses and lips, then others?" News Flash, every ethnicity has a share of large noses and lips it simply depends on the genes that run within that family line. Wow, education 1:1!

See entire post
by dillonkd
Sun Jan 13, 2013 11:14 pm
 
Forum: Human Biology
Topic: Why do Africans have large noses and lips?
Replies: 31
Views: 217540

Problem understanding result of lighting regime-phytochrome

Sort of get it now- the key was that the flash of 'light' which interrupts the nights, is RED light not DAYLIGHT- therefore the conversion into Pfr is very rapid.In contrast accumulation of Pfr in daylight is much slower as there is far red light ...

See entire post
by ADAS137
Sun Jan 15, 2012 9:42 am
 
Forum: Botany Discussion
Topic: Problem understanding result of lighting regime-phytochrome
Replies: 13
Views: 6192

Problem understanding result of lighting regime-phytochrome

... converts to P660, this low level of P730 makes the plant 'think' that a short day is in place-therefore it's time to grow. And a cheeky little flash of light during night time keeps the level of P730 high and therefore 'tricks' the plant into thinking that (because high P730 levels are associated ...

See entire post
by ADAS137
Thu Dec 15, 2011 4:26 pm
 
Forum: Botany Discussion
Topic: Problem understanding result of lighting regime-phytochrome
Replies: 13
Views: 6192
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 2,068 times. 
What links here | Related changes | Permanent link