Temperature influential factors

Employing sodium and potassium salts instead of hthium the corresponding cis-trans-compounds are obtained as main product. Temperature and solvent are also influential factors in the stereochemical outcome. 

Here again certain trends were observed, and the most influential factor was the crystal structure which the superconducting material adopted. The most fruitful system was the NaCl-type structure (also referred to as the B1 structure by metallurgists). Many of the important superconductors in this ceramic class are based on this common structure, or one derived from it. Other crystal structures of importance for these ceramic materials include the Pu2C3 and MoB2 (or ThSi2) prototypes. A plot of transition temperature versus the number of valence electrons for binary and ternary carbides shows a broad maximum at 5 electrons per atom, with a Tc maximum at 13 K. 

Lusk [32]. Overall, the most influential factors affecting the performance of the SOFC model (as measured by the computed ionic current, J) were the electrolyte thickness, the operating temperature, the applied bias voltage, and the underlying activation barriers of the CT reactions encountered at each electrode. 

These results indicate that the most influential factor influencing bundle moisture content was the weight of the needles present in each bundle. Precipitation and temperature significantly impacted moisture content, as would be expected, but had less impact as needle volume decreased. 

Temperature and orientation are the most influential factors which impact secondary crystallization (the number of crystallites, their stmcture and size, and their spatial distribution and interaction). Therefore thermal processes (heating and cooling) during polymerization, storage, and PVC processing affect the resultant crystalline structure of PVC product. 

Pressure is a highly influential factor in closed-vessel systems. The development of vessels capable of withstanding pressures as high as 41 bar has enabled extraction at very high temperatures, thereby increasing dramatically the extraction efficiency and decreasing the exposure time. 

Among various influential factors, the CRSS generally varies with temperature, as shown in Fig. 4.18 for TiCo.97. The CRSS for slip, cr on the 111 (lIO) slip system in TiCo.97 decreases with temperature, T, in the range 800-1280 °C, as shown in Fig. 4.18. The CRSS obeys a relationship shown in (4.7) as ... 

The most influential factor in the control of temperature of high speed bearings was shown to be the oil inlet arrangements and clearance ratio. Agreement with published theory such as Cameron and Wood (30) and DuBois and Ocvirk (13) was within experimental error. 

The high operation temperature and the presence of phosphoric acid in HT-PEMFC MEAs are reported to accelerate the catalyst degradation [48, 55, 58, 60]. The reported values of the fraction of remaining active surface area (SA/SAo) after cell operation are summarized in Table 16.3. The table indicates that the most influential factor in loss of the surface area is the operation temperature. The 3D KMC simulation results indicated that the fraction of the remaining Pt surface area after 15,500 h at 150 °C was 0.79, and the value decreased to 0.60 when the operation temperature increased to 190 °C despite the considerably shorter cell operation time of... 

The set of primary and secondary factors which influence LAD design were formulated, and a suite of physics-based models for the influential factors were developed and validated both in storable and cryogenic propellants. While the models agreed well with historical room temperature data, all LAD models validated by cryogenic data, including bubble point pressure, reseal pressure, FTS pressure drop, TVS cooling efficiency, and full-scale LAD channel pressure drop show strong temperature dependence and deviation from the room temperature behavior. The models derived here and validated both by the... 

Figure 15.14 represents, in a schematic fashion, typical ways in which scales have been observed to rupture. If temperature variations occur, a weakly adherent scale is likely to separate locally from the base metal, a phenomenon sometimes termed blistering, and, because it has little intrinsic tensile strength, eventually rupture and spall. The relative thermal expansivity between scale and metal also has been cited as an influential factor when temperature fluctuations are involved. Probably of greater significance is the nature of the interface between the metal and the scale. If the interface is planar, it is easy to conceive of a shear crack initiating at the interface and propagating rapidly across the surface. 

The discussion of ion formation in ESI has revealed that - beside coiipound class - the actual experimental conditions exert significant influence on the appearance of an ESI spectrum. The most influential factors are i) pH of the sprayed solution, ii) flow of sample solution, iii) flow (or pressure) of nebulizing gas, and iv) flow and temperature of the desolvation gas or the temperature of the heated desolvation capillary, respectively (also cf. Figs. 12.1 and 12.19). 

Of all the effective factors regarding tensile strength of sample with or without weld line, melt temperature is the most influential factor, which shows a contribution rate... 

Several factors can influence the breakdown of a cadaver and the formation of a CDI. These include temperature, moisture, soil type, associated materials, decomposer adaptation, and trauma. Furthermore, these factors may be more or less influential depending on whether a cadaver has been placed on the soil surface (exposed) or buried in soil. The effect of these factors on both the decomposition of exposed and buried cadavers will be discussed (see Hopkins, this volume). 

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