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Specifications Tx Power Service 1.0 Adopted This service exposes a device’s current transmit power level when in a connection. Errata Correction 23224 is mandatory when claiming...
Electrical stimulation of anterior cingulate cortex (AC), particularly the regions just rostral to and below the genu of the corpus callosum, has long been known to elicit a variety of visceral or autonomic responses in a number of species (Cechetto and Saper, 1990; Neafsey, 1990). For example, Smith (1945) and Kaada et al. (1949) stimulated this region in the monkey and reported both increases and decreases in heart rate and blood pressure, as well as vocalizations and inhibition of respiration. Similar effects have been seen in man (Livingston et al., 1948; Pool and Ransohoff, 1949). In the cat, Lofving (1961) elicited pressor and depressor blood pressure responses from this area, and Babkin and Speakman (1950) noted obvious inhibitions of gastric motility.
The effective climate feedback/sensitivity, including its components, is a robust first order feature of the Canadian Centre for Climate Modelling and Analysis (CCCma) coupled global climate model (GCM) and presumably of the climate system. Feedback/sensitivity characterizes the surface air temperature response to changes in radiative forcing and is constant, to first order, independent of the nature, history, and magnitude of the forcing and of the changing climate state. This "constancy" can only be approximate, however, and modest second order changes of 10–20% are found in stabilization simulations in which the forcing, based on the IS92a scenario, is fixed (stabilized) at year 2050 and 2100 values and the system is integrated for an additional 1000 years toward a new equilibrium. Both positive and negative feedback mechanisms tend to strengthen, with the balance tilted toward stronger negative feedback and hence weaker climate sensitivity, as the system evolves and warms. Some feedback mechanisms weaken locally, however, and an example of such is the ice/snow albedo feedback which is less effective in areas of the Northern Hemisphere where ice/snow has retreated. Changes in the geographical distribution of the feedbacks are modest and weakening feedback in one region is often counteracted by strengthening feedback in other regions so that global and zonal values do not reflect the dominance of a particular mechanism or region but rather the residual of changes in different components and regions. The overall 10–20% strengthening of the negative feedback (decrease in climate sensitivity) in the CCCma model contrasts with a weakening of negative feedback (increase in climate sensitivity) of over 20% in the Hadley Centre model under similar conditions. The different behaviour in the two models is due primarily to solar cloud feedback with a strengthening of the negative solar cloud feedback in the CCCma model contrasting with a weakening of it in the Hadley Centre model. The importance of processes which determine cloud properties and distribution is again manifest both in determining first order climate feedback/sensitivity and also in determining its second order variation with climate state.
Introducing Apache Wave Monday, December 6, 2010 | 4:03 PM Labels: Wave Developer Blog One of the best outcomes from November's Wave Protocol Summit was a proposal for Wave to enter the Apache Software...
David/Dave “Gruber†Allen (born 1958 in Naperville, Illinois) is a comedian actor, and voice actor. He was first discovered as part of The Higgins Boys and Gruber, a comedy team that also included Steve Higgins …