Is there a propane shortage in Illinois?

Is there a propane shortage in Illinois? Illinois is one of seven states now under an emergency declaration over a propane shortage. “Propane is an essential fuel for corn dryers in Illinois and across the Midwest. 2019 has already been a stressful growing and harvest season for farmers.” Why is there a shortage of propane […]

Can ELISA detect parasites?

Can ELISA detect parasites? Thus the ELISA assay is an exceptional and essential diagnostic method for the management of parasite infections. What are the four steps of an ELISA protocol? The Direct ELISA Procedure can be summarised into 4 steps: Plate Coating, Plate Blocking, Antibody Incubation, and Detection. What is the ELISA protocol? General Sandwich […]

What makes a Nyquist plot stable?

What makes a Nyquist plot stable? 1.10 Nyquist Stability Criterion A feedback system is stable if and only if N=−P, i.e. the number of the counterclockwise encirclements of –1 point by the Nyquist plot in the GH-plane is equal to the number of the unstable poles of the open-loop transfer function. What are the disadvantages […]

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