Continuous population

The position of the equiUbrium depends on a number of factors, such as concentration of siloxane units and the nature of substituents on the sihcon, but is independent of the starting siloxane composition and the polymerization conditions (81,82). For a hulk polymerization of dimethyl siloxane, the equihbrium concentration of cycHc oligomers is approximately 18 wt % (83). The equiHbrium mixture of cyclosiloxanes is composed of a continuous population to at least but D, D, and make over 95 wt % of the total cycHc fraction (84). 

Depending on the degree of complexity, these models can be very difficult to solve mathematically. Even with some simplifications, for instance, separating the cells into discrete populations to avoid infinite equations that could be generated considering a continuous population distribution, difficulties in determining the internal characteristic parameters may still remain. 

J. C. Houck and V. K. Sharma, Functional failures of cultured human diploid fibroblasts after continued population doublings, Proc. Soc. Experim. Biol. Med. 137(1), 331 (1971)... 

Define algorithms that trigger further epidemiological investigation. Apply appropriate science-based public health measures to ensure continued population protection appropriate to the biological threat involved, including follow-up of those exposed, vaccinated, or quarantined. 

But many challenges remain as the world contemplates continued population and economic growth, new risks of unintended consequences from technological developments such as bioengineering, and a tendency for decisions to be shaped by narrow economic and political interests. Unless an environmental ethic becomes widespread, it is likely that global environmental change will remain a pressing concern for both society and science. 

In the future and within this century, several considerations related to the process industry are relatively certain. There will be continued population growth, there will be continued scientific discovery, and there will be continued innovations in technology. 

Johnson (119) argued that continued population growth and increased per capita fiber use will result in a demand for a further 70 million tonnes of fibers by 2050. With the potential for further cotton yield or hectarage increases now limited, and with the synthetics still looking unlikely to provide the comfort element of future textiles, Johnson postulates a Cellulosics Gap of up to 20 million tonnes. 

Unprecedented expansion of energy demand that the world faces in the next fifty years. This will be driven by continuing population growth, economic development and the aspiration to provide access to modem energy systems to the 1.6 billion people now without such access ... 

The transfer at i cross after the original crossing is restored is no longer very effective at to = 70 fs, and for to > 70 fs is substituted by a slow but continuous population transfer in the opposite direction, from state 1 to state 2. For to = 71 fs, there is less time between the end of the initial-transfer-back-transfer process and the wavepackets reaching Rcross, and both 2 R,t) and t) go through the restored crossing at the same... 

Rather than attributing the current disjunct distribution of SDTF taxa to vicariance, i.e. fragmentation of once continuous populations spanning these dry forest areas, I suggest population migration/long-distance dispersal as an alternative explanation. 

Is there any evidence of a former larger and more continuous population during the Pleistocene Or have some disj unct populations resulted from rare long-distance dispersal events ... 

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