Big Chemical Encyclopedia

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

Articles Figures Tables About

Argument optional

Sometimes, an optimization will simply require more steps than the default procedure allots to it. You can increase the maximum number of steps with the MaxCycle option to the Opt keyword (it takes the number of steps as its argument). [Pg.48]

Perform the IRC calculation (requested with the IRC keyword). This job will help you to verify that you have the correct transition state for the reaction when you examine the structures that are downhill from the saddle point. In some cases, however, you will need to increase the number of steps taken in the IRC in order to get closer to the minimum the AAoxPoinb option specifies the number of steps to take in each direction as its argument. You can also continue an IRC calculation by using the lRC=(ReStorhMaxPointe=n) keyword, setting n to some appropriate value (provided, of course, that you have saved the checkpoint file). [Pg.174]

Had it been known in the late 1970s that MTBE would be found in drinking water, would it have been introduced Probably not. Whilst a return to the use of tetraethyl lead is not being considered, the current debate in many US states is which of the other options should be pursued in the medium term. Arguments are put forward by oil companies for option 1 and by the farmers for option 2 ... [Pg.38]

In the last option without any left-hand side arguments, MATLAB will do the Bode plot, mark... [Pg.254]

The entire low-carbohydrate versus low-fat diet argument is so prevalent that one would think that these are the only two options available for losing weight and staying healthy. Some experts even feel that the low-carb/low-fat debate distracts us from an even more important issue—our culture s reliance on processed and manufactured foods. [Pg.63]

During the later phases of remediation of an aquifer, it has often been suggested that the expense of continuing LNAPL recovery is not worth the effort, considering the remaining small quantities of recoverable product. The implication of this argument has been that the product will eventually go into solution and therefore will be recovered as part of the dissolved contaminant recovery. Experience has demonstrated that this is not usually a viable option, because the time required and treatment costs to accomplish the task are much greater than with respect to LNAPL product recovery efforts. [Pg.162]

There are schools of social theory, often referred to as "structuralist, which hold that all explanation of behavior takes this form. Marxists often argue, for instance, that workers are forced by circumstances to sell their labor to capitalists just as the latter are forced by competition to exploit workers. To see the flaw in the argument, it is sufficient to note that nobody is fenced to be a capitalist there is always the option of becoming a worker. [Pg.22]

The text output shows an energy-sorted list (option -s ) of all secondary structures within an energy interval of 1 kcalmol-1 of the MFE structure. The sequence example shows a degenerate ground state only one of the two possible MFE structures is returned by RNAf old. The energy interval can be controlled by the argument passed to the option -e. ... [Pg.183]

Two observations can be made based on this simple calculation. If one examines Figure 9.7, one readily observes that resources such as coal, oil, and gas can last in the decades to century range, whereas nuclear options can last far longer. Second, solar energy seems to provide about 5000 TW of solar radiation that gets radiated back into space. For argument s sake, let us assume that the efficiency of solar cells is about 10%, and only 30% of the earth s surface area is land. This means that only 0.1 x 0.3 x 5000 = 150 TW is potentially useful. However, it is inconceivable that all the earth s land area will be utilized for solar energy, so perhaps only 1% can be used. [Pg.113]


See other pages where Argument optional is mentioned: [Pg.2648]    [Pg.203]    [Pg.311]    [Pg.100]    [Pg.113]    [Pg.37]    [Pg.62]    [Pg.194]    [Pg.285]    [Pg.4]    [Pg.87]    [Pg.320]    [Pg.208]    [Pg.325]    [Pg.73]    [Pg.638]    [Pg.16]    [Pg.233]    [Pg.4]    [Pg.104]    [Pg.265]    [Pg.155]    [Pg.57]    [Pg.101]    [Pg.132]    [Pg.336]    [Pg.41]    [Pg.323]    [Pg.51]    [Pg.145]    [Pg.37]    [Pg.91]    [Pg.598]    [Pg.153]    [Pg.142]    [Pg.285]    [Pg.225]    [Pg.131]    [Pg.265]    [Pg.322]   
See also in sourсe #XX -- [ Pg.72 ]




SEARCH



Argument

© 2024 chempedia.info