Dictionary » L » Lag



1. One who lags; that which comes in last. The lag of all the flock.

2. The fag-end; the rump; hence, the lowest class. The common lag of people. (Shak)

3. The amount of retardation of anything, as of a valve in a steam engine, in opening or closing.

4. A stave of a cask, drum, etc.

(Science: machinery) Especially, one of the narrow boards or staves forming the covering of a cylindrical object, as a boiler, or the cylinder of a carding machine or a steam engine.

5. (Science: zoology) see graylag. Lag of the tide, the interval by which the time of high water falls behind the mean time, in the first and third quarters of the moon; opposed to priming of the tide, or the acceleration of the time of high water, in the second and fourth quarters; depending on the relative positions of the sun and moon. Lag screw, an iron bolt with a square head, a sharp-edged thread, and a sharp point, adapted for screwing into wood; a screw for fastening lags.

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TLDA screening analysis

Thanks for your answer We have the AB's software but we can't load more than 50 plates. If we load more the software shut down or lag. We need 15min to change only one parameter. So we are looking for an other solution.

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by laurentPre
Fri Jan 17, 2014 2:55 pm
Forum: Molecular Biology
Topic: TLDA screening analysis
Replies: 4
Views: 1050

Theories - Origin of Life

... at least once, followed by the second mutation happening at least once. (To be more realistic, you can also stipulate a several-generation time lag as the first mutation takes over.) In fact, in this example (a thousand generations with each mutation happening about once per generation ‒ 40 ...

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by AstraSequi
Tue Mar 27, 2012 2:30 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907227

Re: Experimental evidence for evolution

... completely false. The paper you cited mentions other examples of evolution in the introduction, including: higher growth rates on glucose, shorter lag phases, reduced peak population densities, larger average size, increased DNA supercoiling, defects in DNA repair, and changes in many gene-expression ...

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by robsabba
Mon Jun 21, 2010 4:20 pm
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 177649

Extended sleeping problem

... not been able to stay awake past 8 pm and gets up at 5 to 6 am. Sometimes she starts feeling asleep around 6 pm. This has been a very unusual jet lag. We have travelled many many times, but this has never happened before. She is in early 40's. The weather in US is also not co-operating. It's been ...

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by nconline
Sat Jan 09, 2010 5:32 am
Forum: Human Biology
Topic: Extended sleeping problem
Replies: 3
Views: 1659

how do you reduce lag phase time?

In biology experiments, what are some things you can do to reduce the lag phase time....as in the amount of time it spends in lag phase. I'm thinking that warming the test tubes can help, but if so, how? Can somebody actually help me out this time :evil:

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by biologyfml
Wed Nov 04, 2009 5:06 am
Forum: Cell Biology
Topic: how do you reduce lag phase time?
Replies: 1
Views: 1843
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