37,439 research outputs found
Boiler for generating high quality vapor Patent
Vapor generating boiler system for turbine moto
Effect of thermal cycling in a Mach 0.3 burner rig on properties and structure of directionally solidified gamma/gamma prime - delta eutectic
Tensile and stress rupture properties at 1040 C of a thermally cycled gamma/gamma prime - delta eutectic were essentially equivalent to the as-grown properties. Tensile strength and rupture life at 760 C appeared to decrease slightly by thermal cycling. Thermal cycling resulted in gamma prime coarsening and Widmanstatten delta precipitation in the gamma phase. An unidentified precipitate, presumably gamma prime, was observed within the delta phase. The eutectic alloy exhibited a high rate of oxidation-erosion weight loss during thermal cycling in the Mach 0.3 burner rig
Kinetics of the reduction of metalloproteins by chromous ion
The reduction of Cu(330) in Rhus vernicifera laccase by chromous ion is 30% faster than reduction of Cu(614) at room temperature [pH 4.8, µ = 0.1 (NaCl)], and two parallel first-order paths, attributed to heterogeneity of the protein, are observed at both wavelengths. The reactions of stellacyanin, spinach and French-bean plastocyanins, and cytochrome c with chromous ion under similar conditions are faster than that with laccase by factors of 102 to 104, and are first order in protein concentration. Comparison of rates and activation parameters for the reduction of "blue" copper in laccase, stellacyanin, and the two plastocyanins indicates that reduction of the Cu(614) site in laccase may occur by intramolecular electron transfer from one of the Cu(330) sites. Our value of ΔH (17.4 kcal/mol) for the chromous ion reduction of cytochrome c is consistent with a mechanism in which major conformational changes in the protein must accompany electron transfer
Boiler for generating high quality vapor
Boiler supplies vapor for use in turbines by imparting a high angular velocity to the liquid annulus in heated rotating drum. Drum boiler provides a sharp interface between boiling liquid and vapor, thereby, inhibiting the formation of unwanted liquid droplets
FORCES AFFECTING CHANGE IN CROP PRODUCTION AGRICULTURE
Agricultural Competitiveness, Crop Production, Agricultural Biotechnology, Agricultural Sustainability, Agricultural Inputs, Agricultural Profitability, Crop Production/Industries, Q10, Q12, Q13,
Dendriform-Tree Setting for Fully Non-commutative Fliess Operators
This paper provides a dendriform-tree setting for Fliess operators with
matrix-valued inputs. This class of analytic nonlinear input-output systems is
convenient, for example, in quantum control. In particular, a description of
such Fliess operators is provided using planar binary trees. Sufficient
conditions for convergence of the defining series are also given
- …