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Other practical issues

To take that long road will clearly demand that the difficulties described earlier for the design of nanobots can be overcome, but there are other practical issues too for nanobots working on the cosmic scale. We will assume that spaces can be spanned fast enough else we will be confined to a much smaller, colder, local universe with the rest of the universe expanding away and fading from contact forever. But perhaps that lonely island will be the sanctuary of the human race, and perhaps one of more manageable proportions. [Pg.511]

From the original statement of Clausius other formulations can be derived that are equivalent and more applicable to other practical issues. [Pg.118]

The other practical issue is that all lights have to be turned off in theatre to reduce background noise this may not be appropriate or even safe in all circumstances. [Pg.17]

Other practical issues which derive from the lack of effective demarcation include the problem of spacecraft using nuclear fuels which discharge nuclear waste. It may be the case that states can prohibit the unauthorized discharge of nuclear waste onto their territory, but the question then to be answered is at what altitude spacecraft are able to discharge nuclear waste, without such discharge being an attack on a nation s territory. [Pg.2167]

The initial requirement was to determine a railway station that provides appropriate layout and geography that can adequately test the system. In order to properly test the GETAWAY concept, a fire scenario should present the evacuees with at least two choices for evacuation. Ideally at least one of the choices will be a route that will not be normally used. The station should also be of a proper size to allow for on-site trials using large number of participants. There are other practical issues that would need to have been considered such as efficacy of the monitoring systems, in particular, the impact of the local environment on the CCTV monitoring systems and the practical issues for the location of illuminated signage systems. [Pg.360]

Kinetic studies in solution and in the gas phase have been playing an increasingly important role as a source of thermochemical data (see examples in chapter 15). Here we discuss how to relate thermochemical and kinetic information by approaching the subject as we did in the previous chapter by highlighting important practical issues and reducing to a minimum the description of theoretical models. In other words, the present chapter also relies on the material usually covered at the undergraduate level [1]. Further details can be found in more specialized books [55-59],... [Pg.38]

A major practical issue affecting MP calculations is caused by use of correlated molecular descriptors. During subsequent MP steps, exact halves of values (and molecules) are only generated if the chosen descriptors are uncorrelated (orthogonal), as shown in Fig. 1A. By contrast, the presence of descriptor correlations (and departure from orthogonal reference space) leads to overpopulated and underpopulated, or even empty, partitions (see also Note 5), as illustrated in Fig. ID. For diversity analysis, compounds should be widely distributed over computed partitions and descriptor correlation effects should therefore be limited as much as possible. However, for other applications, the use of correlated descriptors that produce skewed compound distributions may not be problematic or even favorable (see Note 5). [Pg.295]

Given more than 10 years international experience with using economic evaluation, this chapter s objective is to assess what has been learned and to identify the key methodological and practical issues that have emerged. The chapter ends with some conclusions and recommendations for other jurisdictions considering a more formal role for economic evaluation. [Pg.216]

Then there is the fourth point, the practical issue of timing relevant to other courses and other participants, such as engineers and the correlation of lectures with laboratory. This is a local issue, of course, but it might have a serious impact on the development of courses locally. It seems to me, though, that a chemistry department should establish its own priorities and approach initially, and bend only as others arguments prove compelling. [Pg.46]

It is the rate of separation rather than the efficiency of salt retention that is the primary practical issue in the development of reverse osmosis desalination. In addition to a variety of other factors, the rate of reverse osmotic flow depends on the excess pressure across the membrane. Therefore the problem of rapid flow is tied into the technology of developing membranes capable of withstanding high pressures. The osmotic pressure of sea water at 25 °C is about 25 atm. This means that no reverse osmosis will occur until the applied pressure exceeds this value. This corresponds to a water column about 840-ft high at this temperature. [Pg.140]

Understanding the order of the hydrodynamics equations, continuity and momentum, can be somewhat confusing and possibly not the same from problem to problem. The continuity and momentum equations must be viewed as a closely coupled system. Again, it is clear that the momentum equations are second order in velocity and first order in pressure. The continuity equation is first order in density. However, an equation of state requires that density be a function of pressure, and vice versa. Density and pressure must be dependent on each other through an algebraic equation. Therefore a substitution could be done to eliminate either pressure or density. As a result the coupled system is third order, which can present some practical issues for boundary-condition assignment. The first-order behavior must carry information from some portions of the boundary into the domain, but it does not communicate information back. Therefore, over some portions of a problem... [Pg.130]

However, the most significant practical issue for the implementation of an FTNIR device suitable for quantitative process analytical applications arises from the need to maintain a very high degree of alignment at the point of recombination of the divided interferometer beam paths - in other words at the exit of the interferometer. [Pg.75]

The basic building blocks of business development deals are, for the most part, contracts. These contain various degrees of complexity depending on the number of elements and parties to the contract. Partnerships and joint ventures are other legal forms with which the business developer will need to become familiar. Another part of the law which you will need to be familiar is intellectual property law which, in the pharmaceutical industry, underlies most of the value of the products. Some of the practical issues that need to be addressed by business development will be discussed in this book, but no attempt to pre-empt legal advice or interpret the legal mind will be made. [Pg.13]


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Practical Issues

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