"The period since the early 1970s is the most prolonged positive phase of the oscillation, " says Tim Hurrell of the National Center for Atmospheric Research in Boulder, Colo ., who coordinated the Orense conference.
32.
The upper sideband will experience a positive phase-shift, whilst the lower sideband sees a negative phase shift . When these two signals are beat together, the beat frequency will be lower than the modulation frequency.
33.
This study met its primary endpoint ( durable response rate ) with a very high degree of statistical significance in March 2013, the first positive phase 3 study for an oncolytic virus in the western world.
34.
Jeffrey Garten, U . S . undersecretary of commerce for international trade, spelled out what he called a strategic framework for cooperation that would lead to a more positive phase in trade relations between the two giant economies.
35.
The positive phase of the PNA pattern features above-average barometric pressure heights in the vicinity of Hawaii and over the inter-mountain region of North America, and below-average heights located south of the Aleutian Islands and over the southeastern United States.
36.
"Half a century from now, " says Smelser, " affirmative action will be regarded as a very important, positive phase of American ethnic history . . . . We were riding along with an unexamined and potentially very damaging racial situation.
37.
:" In the positive phase, higher pressure at midlatitudes drives ocean storms farther north, and changes in the circulation pattern bring wetter weather to Alaska, Scotland and Scandinavia, as well as drier conditions to the western United States and the Mediterranean.
38.
Negative refraction occurs at interfaces between materials at which one has an ordinary positive phase velocity ( i . e . a positive refractive index ), and the other has the more exotic negative phase velocity ( a negative refractive index ).
39.
This work suggests that the Southern Annular Mode is currently in its most extreme positive phase over at least the last 1000 years, and that recent positive trends in the SAM are attributed to increasing greenhouse gas levels and later stratospheric ozone depletion.
40.
"If I was attracted by the valuations in India and I thought the market was entering a sustained positive phase, I would buy now and take a 10 percent free ride on the currency, " said John Moore, managing director of ING Barings India Pvt.