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Directed association

Attention must also be focused on the noncrystalline domains. Many important properties of fibers can be directly related to these noncrystalline or amorphous regions. For example, absorption of dyes, moisture, and other penetrants occurs in these regions. These penetrants are not expected to diffuse into the crystalline domains, although there may be adsorption on crystaUite surfaces. The extensibUity and resUience of fibers is also directly associated with the noncrystalline regions. [Pg.272]

The light-harvesting complex LHl is directly associated with the reaction center in purple bacteria and is therefore referred to as the core or inner antenna, whereas LH2 is known as the peripheral antenna. Both are huilt up from hydrophohic a and p polypeptides of similar size and with low hut significant sequence similarity. The two histidines that hind to chlorophyll with absorption maxima at 850 nm in the periplasmic ring of LH2 are also present in LHl, but the sequence involved in binding the third chlorophyll in LH2 is quite different in LHl. Not surprisingly, the chlorophyll molecules of the periplasmic ring are present in LHl but the chlorophyll molecules with the 800 nm absorption maximum are absent. [Pg.242]

Surface energies are again important in determining the practical adhesion, F, in the breaking of an adhesive bond. Eqs. 7 to 10 show how the two are related. Emphasis was placed on the important contribution to fracture energy of which represents energy absorbing processes other than those (VTa and Wcoh) directly associated with the actual formation of new surfaces. It must be remembered that... [Pg.333]

The range of directions used in the search is determined from a set of look-up tables based on the aspect ratio of the area source, the stability category, and the downwind distance. The SCREEN model also provides the user an option to specify a wind direction orientation relative to the long axis of the rectangular area. The second option may be used to estimate the concentration at a particular receptor location relative to the area. The output table for area sources includes the wind direction associated with the maximum concentration at each distance. [Pg.311]

Count everything that is directly associated with the project... [Pg.503]

Sec. Ill is concerned with the description of models with directional associative forces, introduced by Wertheim. Singlet and pair theories for these models are presented. However, the main part of this section describes the density functional methodology and shows its application in the studies of adsorption of associating fluids on partially permeable walls. In addition, the application of the density functional method in investigations of wettability of associating fluids on solid surfaces and of capillary condensation in slit-like pores is presented. [Pg.171]

In the case of computer simulations of fluids with directional associative forces a less intuitive but computationally more convenient potential model has been used [14,16,106]. According to that model the attraction sites a and j3 on two different particles form a bond if the centers of reacting particles are within a given cut-off radius a and if the orientations of two spheres are constrained as follows i < 6 i and [tt - 2 < The interaction potential is... [Pg.194]

Steam, oil and water piping directly associated with connecting the compressor-driver unit. [Pg.479]

Corrosion decisions are only one part of the engineering design process, and it is important that these and related decisions do not cause undue delay . Delay can seriously damage the profitability of the project by increasing interest charges before any income from production it may also mean that a market opportunity is lost. These effects are on the whole project a delay associated with a corrosion decision can lead to costs much greater than those directly associated with corrosion. [Pg.6]

Fig. 20. Schematic representation of the unrolled major groove of the MPD 7 helix showing the first hydration shell, consisting of all solvent molecules that are directly associated with base edge N and O atoms. Base atoms are labeled N4,04, N6,06 and N7 solvent peaks are numbered. Interatomic distances are given in Aup to 3,5 A represented by unbroken lines, between 3,5-4,1 A by dotted lines. The eight circles connected by double-lines represent the image of a spermine molecule bound to phosphate groups P2 and P22. There are 20 solvent molecules in a first hydration layer associated with N- and O-atoms l58)... Fig. 20. Schematic representation of the unrolled major groove of the MPD 7 helix showing the first hydration shell, consisting of all solvent molecules that are directly associated with base edge N and O atoms. Base atoms are labeled N4,04, N6,06 and N7 solvent peaks are numbered. Interatomic distances are given in Aup to 3,5 A represented by unbroken lines, between 3,5-4,1 A by dotted lines. The eight circles connected by double-lines represent the image of a spermine molecule bound to phosphate groups P2 and P22. There are 20 solvent molecules in a first hydration layer associated with N- and O-atoms l58)...
Intramolecular isotope effects were studied in the systems N2-HD, CO-HD, 02-HD and C02-HD (20). Product decomposition directly associated with rupture of OH or OD bonds was not observed in these reactions. Isotope effects in decomposition processes which gave OH + or OD+ from reactions of 02+ with HD and COH+ or COD + from... [Pg.104]

The way in which to define the parameters of a program would ideally be the democratic one, involving everyone who is directly associated with it. In many a situation this may unfortunately be a practical impossibility due to factors such as the predominance of the sponsors interests and/or the size of the organization. Furthermore, people who have limited knowledge of mentoring options may make achieving consensus difficult. Therefore, in trying to define the parameters for your scheme (or schemes) you should ... [Pg.230]

There are a number of properties of a detector that determine whether they may be used for a particular analysis, with the most important being (a) the noise obtained during the analysis, (b) its limit of detection, (c) its linear range, and (d) its dynamic range. The last three are directly associated with the analyte being determined. [Pg.40]

The Shakanai No. 1 deposit in the Shakanai mine is a good example of the B sub-type (Kajiwara, 1970a). The ore of the B sub-type deposits consists of predominantly of galena and sphalerite with lesser amounts of chalcopyrite. Ore deposits of this sub-type are usually not directly associated with dacite lava dome. However, it is known that domeshaped dacite occurs below some of this sub-type deposit (Kajiwara, 1970a Tanimura et al., 1974). Total ore quantity of a single unit deposit is generally small, about one million tons. [Pg.20]

Minimizing the quantity of contrast media administered may be beneficial in preventing nephropathy. Some studies, but not all, have directly associated dose of contrast media and nephrotoxicity. Avoidance of contrast dye with alternative diagnostic procedures should be considered in high-risk patients, but may not always be feasible. In addition, avoidance of multiple contrast studies in a short time period will allow renal function to return to normal between procedures. [Pg.370]


See other pages where Directed association is mentioned: [Pg.270]    [Pg.2098]    [Pg.193]    [Pg.302]    [Pg.412]    [Pg.531]    [Pg.531]    [Pg.535]    [Pg.301]    [Pg.4]    [Pg.211]    [Pg.261]    [Pg.288]    [Pg.16]    [Pg.1073]    [Pg.8]    [Pg.116]    [Pg.307]    [Pg.227]    [Pg.119]    [Pg.215]    [Pg.205]    [Pg.157]    [Pg.368]    [Pg.832]    [Pg.403]    [Pg.145]    [Pg.27]    [Pg.188]    [Pg.103]    [Pg.932]    [Pg.117]    [Pg.131]    [Pg.265]    [Pg.265]    [Pg.119]   
See also in sourсe #XX -- [ Pg.207 , Pg.230 ]




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