Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Starting times, long

Third question Suppose again a population starts with m of order unity what is the probability distribution of n after a time long enough to have reached a macroscopic size of order Q (yet short compared to the ultimate dying out) To compute this select a time such that... [Pg.340]

Commuting to and from work can significantly extend the workday and curtail available sleep time. Work in many metropolitan areas can involve long commutes as individuals travel in from outlying areas (14). Consider that a 30-min or 1-hr one-way commute time increases the work day by 1-2 hr. Combine this commute with an early start time and sleep can be shortened even further. Add to this circumstance an individual who conducts other activities before the start of the workday. For example, an individual might awaken at 4 a.m., prepare for work,... [Pg.234]

To ensure a time long enough to disconnect the motor from its power supply when the motor is stalled, fE shall exceed 5 s. When current dependent protective devices are applied to initiate the disconnection, fE shall increase with decreasing ratios of starting current to rated current. [Pg.204]

The nutritional history of niacin is unusually colorful and involves Italy, Mexico, and the American South. The documentation of niacin deficiency seems to have started a long time ago, when com was brought to Spain by Columbus, Com is distinguished as being iow in niacin. The introduction of corn to Europe resulted in its widespread cultivation it replaced rye as a major crop. Com became popular... [Pg.597]

TS-l-type molecular sieve is a widely used and very important oxidation catalyst, and industrial production of this molecular sieve started a long time ago. The laboratory synthetic procedure introduced here was originally developed by M. Taramasso, G. Perego, and B. Notari in 1998 and improved many times later (Ref. [121], p. 207). Tetraethyl orthosihcate [Si(OC2H5)4], tetraethyl orthotitanate [Ti(OC2H5)4], tetra-n-propylammonium hydroxide (TPAOH, 40% solution in water), and distilled water... [Pg.181]

New environmental sources of sulfur will tap more of that potential. The amounts produced and the production starting times are speculative. The anticipated recovery of a substantial portion of the potential will seriously affect the sulfur industry. The Bureau of Mines forecasts that by the year 2000, 40 million long tons of sulfur could be recovered from coal, oil, gas, and metal sulfides. Domestic demands for the same year are forecast to be 30 million tons. Thus if only 75% of the potential from secondary sources were recovered, the demand for sulfur could be met without any production from primary sources. [Pg.63]

Hence fhe lowesf fuse rating would be jusf above 1.3 x 245.4 amps i.e., 355 amps is a standard rating. However, fhis may nol be adequate to withstand the long starting time. [Pg.230]

Low voltage motors used in the oil industry usually have modest starting times, since the majority of their driven machines are pumps. Reciprocating compressors and ventilation fans can have reasonably long starting times. It is therefore not normally necessary to provide special relays to detect the stalling condition. [Pg.345]

The stimulation of our senses is done by thought and influenced by our environment, which in turn generates our emotional experience. The understanding of human emotion is an endeavour that started a long time ago for the mapping of the workings of our brain. [Pg.234]


See other pages where Starting times, long is mentioned: [Pg.108]    [Pg.273]    [Pg.8]    [Pg.90]    [Pg.417]    [Pg.54]    [Pg.105]    [Pg.918]    [Pg.291]    [Pg.132]    [Pg.196]    [Pg.968]    [Pg.107]    [Pg.2]    [Pg.178]    [Pg.455]    [Pg.169]    [Pg.223]    [Pg.107]    [Pg.409]    [Pg.254]    [Pg.97]    [Pg.8]    [Pg.328]    [Pg.358]    [Pg.55]    [Pg.97]    [Pg.504]    [Pg.224]    [Pg.336]    [Pg.336]    [Pg.207]    [Pg.220]    [Pg.154]    [Pg.232]    [Pg.377]    [Pg.94]    [Pg.748]    [Pg.1070]    [Pg.508]   
See also in sourсe #XX -- [ Pg.336 ]




SEARCH



Start time

© 2024 chempedia.info