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In this paper we characterize the channel access delay and the end-to-end delay experienced by a message in a wireless ad-hoc network. We show that the delay ex- perienced is a function of four network parameters: 1) channel access probability, 2) transmission power or radius, 3) network load and 4) density of nodes. We character- ize the effect of each of these parameters on the delay and show that there exists an optimal transmission radius and channel access probability for given load and node density that delivers the best delay performance for the network.

Poroshell 300SB is a high-resolution, high-sensitivity, and high-speed protein laboratory reagent, suitable for situations with limited sample size, a large number of samples, and a need for rapid separation of contaminants. It provides ultra-sharp peaks in a short run time and requires less sample. Increased temperature allows for shorter run times, increased resolution by sharpened peaks, and reduced mobile-phase viscosity for maximal throughput.