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Work needs, fine-tuning

When starting a new water treatment program, both baseline and operational information regarding levels of steam and condensate contamination generally are required. It may take several weeks of sampling work to fine-tune the program and determine any limitations with regard to steam purity and quality. Thereafter, individual control parameters such as sodium limits or antifoam concentration may need to be selectively raised or lowered in the BW and the effects tested for in the steam. [Pg.600]

You are the best judge of your study habits. You should make a realistic decision about what will work best for you. Good intentions and wishes will not prepare you for the exam. Decide what works best for you. Do not feel that you must follow one of these schedules exactly you can fine-tune any one of them to your own needs. Do not make the mistake of forcing yourself to follow someone else s method. Look at the following descriptions, and see which best describes you. This will help you pick a prep mode. [Pg.9]

Extensive literature has been published on blanket and selective CVD-W, in which a vast amount of (sometimes conflicting) information can be found. What is clearly needed is a book where all relevant and pertinent material is gathered in a condensed format. It is the intention of this book to provide such a compilation of the literature with emphasis on the material which has appeared in the last 10 years. In addition, unpublished material obtained in the laboratory of the author is included. After reading this work, the reader will have all the necessary background to bring up, fine tune and maintain successfully a CVD-W process in a production line. Others seeking a quick overview of the current status of CVD-W will also benefit from this book. [Pg.246]

The question of how fine-tuned this level needs to be for the existence of carbon-based life has been the subject of considerable research. Tire most recent work on this topic was done by Oberhummer and collaborators (see, for example, Ober-hummer et al., 2000 Csoto et al., 2001 Schlattl et al., 2004). These authors used a model that treats the nucleus as a system of 12 interacting nucleons, with the approximate resonant reaction rate... [Pg.116]

The problem of how life was created is a fascinating one. Our focus is on looking at life on earth and asking how it works. The lessons we learn provide hints to the answer to the deep and fundamental question pondered by our ancients Was life on earth inevitable Then there are the questions posed by Henderson [ 1 ] Is the nature of our physical world biocentric Is there a need for fine-tuning in biochemistry to provide for the fitness of life in the cosmos - or, even less ambitiously, for life here on earth Surprisingly, as we will show, a physics approach turns out to be valuable for thinking about these questions. [Pg.225]

The idea that the cosmos is in some sense biocentric has been supported over the past several decades by the discovery of biocentric fine-tuning of the fundamental physical constants (see also the contributions of other authors in this volume), the so-called cosmic coincidences (Car and Rees, 1979 Davies, 1982 Barrow and Tipler, 1986). One such coincidence is the lucky fact that the nuclear resonances of and O are exactly what they need to be if carbon is to be synthesized and accumulate in any quantity in the interior of stars. The energy levels of these resonances ensure that is first synthesized in stellar interiors from collisions between Be and helium nuclei and that the carbon synthesized is not depleted later. This discovery was made by Hoyle in 1953 while working at Caltech with William Fowler (Hoyle, 1964). An intriguing aspect of the discovery is, as Hoyle later pointed out (1994, p. 256), that it was a prediction from the Anthropic Principle. From the cosmic abundance of carbon, Hoyle inferred probable coincidences in the nuclear resonances that facilitated and promoted the synthesis of carbon (Barrow and Tipler, 1986, pp. 250-5). Hoyle s discovery was widely acclaimed, not only as a major scientific discovery, but also as evidence for the biocentricity of nature. [Pg.258]

Construction of such active sites with small synthetic molecules would be very difficult. Several catalytic elements are to be placed on the molecular framework. Furthermore, those catalytic elements should take productive positions and the conformational freedom of the molecular framework should be controlled to maintain the productive conformation. Thus, a large amount of laborious computational and skillful synthetic work is needed to synthesize such active sites. Instead, synthetic as well as natural macromolecules have been frequently chosen as the backbone of artificial enzymes. Nature has adopted polypeptide as the backbone of the catalysts for fine tuning of the positions and the reactivity of the convergent catalytic elements. [Pg.247]

Catalytic results for a structure-sensitive reaction show that this control of Pd dispersion may be used to tune the activity of Pd-supported systems. However, they also show that the presence of surface molybdates has other effects on Pd particles than simple size control. They also point at the need of a still finer characterisation of M0/7AI2O3 precursors, especially concerning the presence of Mo-O-Al bonds. Altogether, this work presents encouraging prospects for fine-tuning the properties of supported metal catalysts by prior surface engineering of the support. [Pg.261]

The key to safety is to design it in. To fine-tune the SMS, you need to periodically review how work is performed. This part of the SSPP explains how that trend analysis will be performed and what will be done with the results. [Pg.105]


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See also in sourсe #XX -- [ Pg.63 ]




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