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- Publications
- Influence
Evidence for a fundamental period of the sun and its relation to the 154 day complex of periodicities
- T. Bai, P. Sturrock
- Physics
- 20 May 1993
We have analyzed the longitude distributions of major flares observed in the 1955-1991 interval, referring them to coordinate systems rotating about axes tilted with respect to the rotation axis of… Expand
The 154-day and related periodicities of solar activity as subharmonics of a fundamental period
- T. Bai, P. Sturrock
- Physics
- Nature
- 14 March 1991
IN 1984 a periodicity of 154 days was found in the record of solar flare activity1 from 1980 to 1983. Since then, the same periodicity has been found in many different measures of solar flare… Expand
Search for evidence of a clock related to the solar 154 day complex of periodicities
- P. Sturrock, T. Bai
- Physics
- 17 March 1992
Evidence that has recently been compiled (Bai and Sturrock 1991) indicates that the enigmatic 154-day periodicity in solar activity may be viewed as part of a complex of periodicities that are… Expand
Force-free magnetic fields - The magneto-frictional method
- W. Yang, P. Sturrock, S. Antiochos
- Physics
- 1 October 1986
The problem under discussion is that of calculating magnetic field configurations in which the Lorentz force j x B is everywhere zero, subject to specified boundary conditions. We choose to represent… Expand
The 152-day periodicity of the solar flare occurrence rate
- T. Bai, P. Sturrock
- Physics
- Nature
- 1 November 1986
The occurrence rate of solar flares exhibits a periodicity of about 152 days. This periodicity was discovered from analyses of flares observed with the Solar Maximum Mission (SMM), and confirmed by… Expand
Plasma Physics: An Introduction to the Theory of Astrophysical, Geophysical and Laboratory Plasmas
- P. Sturrock
- Physics
- 24 June 1994
1. Introduction 2. Basic concepts 3. Orbit theory - uniform fields 4. Adiabatic invariants 5. Orbit theory 6. Electromagnetic waves in a cold electron plasma 7. Electromagnetic waves in an… Expand
Calcium carbonate crystallization kinetics
- H.N.S Wiechers, P. Sturrock, G. Marais
- Chemistry
- 1 September 1975
Abstract The kinetics of crystallization of calcium carbonate were studied by following changes in pH only on batch solutions of CaCl 2 , NaHCO 3 and NaOH in the presence of calcite seed crystals.… Expand
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