Big Chemical Encyclopedia

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

Articles Figures Tables About

Leading on Inclusion

The DfES Primary National Strategy includes Leading on Inclusion training material for staff in primary schools, but the framework can also be used for secondary schools. This material can be downloaded from the DfES Standards website www.standards.dfes.gov.uk. [Pg.64]

Leading on inclusion Primary National Strategy, www.standards.dfes.gov.uk... [Pg.100]

DfES (2005b) Leading on Inclusion. London DfES. [Pg.155]

Scheme 4 a rotaxane synthesis based on hydrophobic effects which lead to inclusion of an... [Pg.180]

Another rewarding field of applications is given by cluster simulations of the role of SOC in surface catalysis, for instance oxidation on the surface. Dissociative adsorption of O2 on metal surfaces leads to inclusion of atomic oxygen in the oxidation reaction. Ground state 0(3P) atom insertion in the C=C bond is spin forbidden, so the epoxidation of olefins on metal surfaces must find a way to overcome this prohibition. Other types of surface reactions can also illustrate the importance of SOC effects in spin catalysis [211]. [Pg.153]

Incorporation of d-functions on the inverting N site is especially important. Such functions contribute more to the pyramidal GS than to the TS and thus stabilize the GS with respect to the TS. In the absence of -functions on N, the inversion barrier in NH3 is found to be much too small and H2N—CN and H2N—SiHs are found to be more stable in the planar form inclusion of -functions (and p on H) leads to the correct NH3 barrier 158> and to pyramidal nitrogen sites in HaN—CN and H2N— SiH3 (Table 8 144>). Of course, the relative error introduced by the absence of -functions is smaller the higher the barrier. This may explain in part why the barriers calculated for aziridine and oxaziridine without including -functions are in satisfactory agreement with experimental values. In PH3, the phosphorus inversion barrier changes from 30.9 to 37.2 kcal/mole on inclusion of two sets of -functions 159>. [Pg.84]

Abstract F acceptors (BFs, AsFs, SbFs, or BiFs) added to solutions of NiFs " salts in anhydrous hydrogen fluoride (aHF) below -65 °C precipitate the tan solid NiFa. This solid, preserved at <-65 °C, is quantitatively converted, by 2 equiv of F donor (XeFs or KF) in aHF, to dissolved NiFe ". Dry NiF4 loses Fa above -60 °C, the decomposition to nearly black NiFj becoming rapid at 0 °C. When the dry NiF4 is prepared from KaNiFe, inclusion of some K leads, on thermolysis at 0 °C, to a pyiochlore form of NiFs (P-NiFs). P-NiFs contains K+ in the open channels, with K NiFs, a R5 0.1, The nearly cubic P-NlFs unit cell is rhombohedral oo — 9.933(3) A, a = 91.01(3)°, 980 h ,... [Pg.357]

Besides chemical conversion and chemical vapor transport, the reduction process is a purification step, too. Trace impurities, always present in the oxide, may evaporate. On the other hand, foreign phases can be incorporated during the CVT growth of tungsten, finally leading to inclusions in the tungsten powder particles. This is of special interest in the production of non-sag tungsten wire used for incandescent lamps. [Pg.89]

Existing active substances to be subject to a 10-year review programme reviews to be shared between Member States and to lead to decisions on inclusion or otherwise in the list annexed to the directive. [Pg.346]

Cardiovascular effects of Pb in humans are the subject of Chapter 13, particularly with respect to effect potency in older exposure subjects but with inclusion of other risk groups. Cardiovascular effects, while inconsistently quantified across human populations, have been identified in multiple epidemiological studies, supported by a number of experimental data sets appearing in the global literature. Chapter 14 on human reproductive and developmental impacts of lead exposures presents the more useful data across several risk groups within human populations. Chapter 15 discusses adverse effects of lead on the renal system as nephrotoxicity is considered to occur across both occupational and nonoccupational subsets of human populations and subsets within nonoccupational categories. Discussions in Chapter 15, much like those in Chapter 18 on immunotoxicity, have benefited from quite recent findings. [Pg.20]

The higher-order bulk contribution to the nonlmear response arises, as just mentioned, from a spatially nonlocal response in which the induced nonlinear polarization does not depend solely on the value of the fiindamental electric field at the same point. To leading order, we may represent these non-local tenns as bemg proportional to a nonlinear response incorporating a first spatial derivative of the fiindamental electric field. Such tenns conespond in the microscopic theory to the inclusion of electric-quadnipole and magnetic-dipole contributions. The fonn of these bulk contributions may be derived on the basis of synnnetry considerations. As an example of a frequently encountered situation, we indicate here the non-local polarization for SFIG in a cubic material excited by a plane wave (co) ... [Pg.1279]

The book opens with a chapter on the theory underlying the technique of the chief operations of practical organic chemistry it is considered that a proper understanding of these operations cannot be achieved without a knowledge of the appropriate theoretical principles. Chapter II is devoted to a detailed discussion of experimental technique the inclusion of this subject in one chapter leads to economy of space, par ticularly in the description of advanced preparations. It is not expected that the student will employ even the major proportion of the operations described, but a knowledge of their existence is thought desirable for the advanced student so that he may apply them when occasion demands. [Pg.1193]


See other pages where Leading on Inclusion is mentioned: [Pg.32]    [Pg.43]    [Pg.32]    [Pg.43]    [Pg.257]    [Pg.618]    [Pg.257]    [Pg.109]    [Pg.163]    [Pg.181]    [Pg.225]    [Pg.569]    [Pg.79]    [Pg.960]    [Pg.2992]    [Pg.777]    [Pg.937]    [Pg.35]    [Pg.258]    [Pg.183]    [Pg.387]    [Pg.211]    [Pg.84]    [Pg.285]    [Pg.124]    [Pg.441]    [Pg.15]    [Pg.39]    [Pg.49]    [Pg.1233]    [Pg.189]    [Pg.62]    [Pg.221]    [Pg.58]    [Pg.8]    [Pg.281]    [Pg.767]    [Pg.186]    [Pg.344]    [Pg.266]   
See also in sourсe #XX -- [ Pg.32 , Pg.43 ]




SEARCH



© 2024 chempedia.info