Metal dominant

Four metals dominate the dissolved chemistry of freshwater, all present as simple cations (Ca2+, Na+, K+ and Mg2 ). 

Aromatic 1,3,4-oxadiazoles are known to be efficient electron transport materials. When incorporated by Heck coupling into the poly(phenylene) chain in polymers such as 38, the electron carrier mobilities are indeed increased, while the hole mobilities are unchanged [75]. Light-emitting diodes prepared from this polymer show increasingly metal-dominated emission as the %Ru content is increased. 

The water chemistry of acidic effluents draining abandoned metal and coal mines is usually characterized by low pH and high sulfate concentrations, and commonly includes high contents of iron and aluminum. This aqueous composition determines not only the complexation of both metals (dominated by sulfate and bisulfate ionic species), but also the mineralogy of their... 

The transition from the covalent bond to the metallic one is most obvious in the fourth group elements C is completely inclined to make covalent bonds (see the peptide chain, for example), while Si and Ge fevor the metallic character of the formed bonds Sn appears in two crystalline forms - one covalently dominant and the other metallically dominant, while and Pb makes almost completely metallic bond. 

G Lines of neutral metals dominate the spectrum. Molecular bands of CN and CH appear. 

As noted in Section III.D. 1, the combination of disorder and anisotropy can lead to a wide range of behavior in the transport properties of disordered anisotropic metals, where both electron-electron interactions and disorder-induced localization near the M-I transition are important. The field-induced crossover from positive to negative MC results from the subtle interplay of weak localization and electron-electron interaction contributions to the MC. From the MC data it is possible to estimate the inelastic scattering length as a function of temperature inelastic electron-electron scattering in disordered metals dominates the transport at low temperatures in I-(CH) [125,126]. 

Many phenomena in solid-state physics can be understood on the basis of a static lattice model. In this model, the atoms of the solid are taken to constitute a fixed, rigid, immobile periodic array. Within this framework it is, for example, possible to account for a wealth of equilibrium properties of metals dominated by the behaviour of the conduction electrons. To some extent it is also possible to account for the equilibrium properties of ionic and molecular insulators. 

Halogen/metal permutation and hydrogen/metal permutation (usually apostrophed as "metalation") dominate the interconversion methods. They employ organoalkali reagents such as phenyllithium, methyllithium, -butyllithium, iec-butyllithium, or the superbasic LIC-KOR mixture. However, even if commercial, these reagents have to be made beforehand. The reaction of a chloro- or bromo-substituted hydrocarbon with lithium, sodium, or magnesium offers a standard entry to them. Thus, ultimately one always has to revert to the metal. 

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