1991 forecast: the year of restructuring
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Restaurants & Institutions
|December 18, 1989
Abstract:
How is the foodservice industry faring under the clouds of three big uncertainties--oil prices, recession and war? All things considered, its doing quite well. This annual status report of commercial and institutional business shows fast food, catering, nursing homes and employee feeding with growth percentages on the good, left side of the decimal point. Our forecast includes business trends to watch, food trends to guide menu planning and pricing, and interior- and kitchen-design trends that can be a blueprint for a successful new year.
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01:25Multimachine Stability
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
01:07Preparation of 1° Amines: Hofmann and Curtius Rearrangement Overview
In the presence of an aqueous base and a halogen, primary amides can lose the carbonyl (as carbon dioxide) and undergo rearrangement to form primary amines. This reaction, called the Hofmann rearrangement, can produce primary amines (aryl and alkyl) in high yields without contamination by secondary and tertiary amines.