O= stability

Bailoni, M.A., Bobbio, P.A., and Bobbio, P.O., Stability of the anthocyanins from Acalipha hispida and copigmentation effect, Acta AUmentaria, 28, 161, 1999. 

In the case of tetra(A-oxide) of the initial bis(diazene), one-electron oxidation in Scheme 3.32 leads to the formation of a novel, O-stabilized, 3e/4N cation-radical with 3-D delocalization of the unpaired electron (Exner et al. 1999). 

Figure 13. Consequences of perturbations to a host-guest complex [H G]o stabilizing perturbations lead to a deeper, narrower potential well and more spaced vibrational levels which mean stronger binding and reduced freedom in the resulting complex [H G]s, while destabilizing perturbations lead to a more shallow, broader well, and congested vibrational levels which correspond to weaker binding and increased freedom in the destabilized complex (H G]d-...

O stability constant of DBQP-Cu complexes (determined by Langmir s eq.), a apparent formation rate constant of DBQP-Cu (Jfc f),... 

Fig. 17. The mutation rate (measured in number of amino acid substitutions) is plotted versus the log percentage of the mutant library that displays some fitness. The line for Taq Pol I ( ) decreases rapidly, indicating an intolerant structure. Conversely, the line for HIV RT (O) stabilizes at high mutation rates, indicating a more tolerant structure. Reprinted from (Suzuki et al. 1996) with permission.

T o stabilize polypropylene against oxidation by atmospheric oxygen, phenolic mononuclear and polynuclear antioxidants containing one hydroxyl group on the aromatic nucleus are used successfully. Thus far the behavior of antioxidants having the structure of polyhydric phenols has not been studied extensively for stabilizing polyolefins. We have systematically observed the properties of dihydric mononuclear phenols with the structure of pyrocatechol and hydroquinone in isotactic poly-... 

The shf tensor has been used to obtain the amount of spin delocalization on the cation leading to the shf structure. For O stabilized on Mo03/Si02 (17) (Fig. 6), a value of 1.9% was calculated from the shf tensor for the spin density in the dz2 orbital of molybdenum, which can be compared with the value of 1% for the same system which was derived by Ben Taarit and Lunsford (31) based on the comparison of the ( 70)Avalues for Mo03/SiO, (31) and MgO (16). "... 

Nriagu, J.O. Stability of vivianite and ion-pair formation in the system Fe3 (P0i )2-H3P04-H20. Geochim. Cosmochim. Acta. 

Timmons, C. O., Stability of Plankton Oil Films to Artificial Sunlight, ... 

Fig. 10. The Al-Ni-O stability diagram as a function of oxygen partial pressure and Ni activity in molten aluminum at 1273 K.

Fig. 22 Template-controlled synthesis of NH,O- mid NR,O-stabilized heterocarbene ligands...

Otieno, F.A.O. Stabilization of solid waste through leachate recycling Waste Management Research 12 (1994) 93-100. 

A comparison of these colloidal rhodium systems Rh-HEACusX (X=Br, Cl, 1, Ms, BF4) has been made for the hydrogenation of various arene derivatives under atmospheric pressure and at room temperature [36]. In all cases, the colloidal suspension of rhodium(O) stabilized by HEACisCl gave the best turnover frequencies compared with HEACusBr, Ms and BF4. No hydrogenation was observed with the use of HEACusI as surfactant due to the simultaneous redox formation of iodine, a poison of nanocatalysts, during the preparation of the rhodium suspension. 

Scheme 7 Postulated mechanism for ethene oligomerization via a P O -stabilized nickel hydride...

Figure 3.3 H O stability domain on Pourbaix diagram (Eh-pH) and natural water...

Then is identified the number and nature of compoimds, which the selected basis component B, is capable of forming in water of given composition within H O stability boimd-aries. For all compoimds are found values of molar free enthalpy of their formation among them are identified soluble and insoluble (minerals) under assigned conditions. This allows the identification among them of migration forms and determination of the nature of boundaries between their stability fields. 

Oxidized nitrogen forms anions nitrous and nitric acids, i.e., nitrates NOj and nitrites NO2. As diagram Eh vs. pH shows, the nitrate form of nitrogen is positioned along the upper limit of H O stability. The equilibrium between aquaphilic NOj and may be evaluated from a reaction ... 

As the Eh vs. pH diagram shows, most of the H O stability field is taken by the sulphate ion SO, which enters in composition of medium strength sulphuric acid and is second in commonality in composition of ground... 

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