A spectroscopic study of the global space-time distribution of atmospheric CO

Tellus ◽  
1981 ◽  
Vol 33 (3) ◽  
pp. 262-273 ◽  
Author(s):  
V. I. Dianov-KLOKOV ◽  
L. N. Yurganov
Keyword(s):  
Spectroscopic Study ◽  
Time Distribution ◽  
Space Time ◽  
Global Space

A spectroscopic study of the global space-time distribution of atmospheric CO

Tellus ◽  
1981 ◽  
Vol 33 (3) ◽  
pp. 262-273 ◽  
Author(s):  
V. I. DIANOV-KLOKOV ◽  
L. N. YURGANOV
Keyword(s):  
Spectroscopic Study ◽  
Time Distribution ◽  
Space Time ◽  
Global Space

The physical basis of application of positron emission tomography and modern radiopharms

2021 ◽  
Vol 4 ◽  
Author(s):  
L.I. , Galchenko ◽  
◽  
A.N. Kalyagin
Keyword(s):  
Positron Emission Tomography ◽  
Time Distribution ◽  
Space Time ◽  
Physical Basis ◽  
Emission Tomography ◽  
Annihilation Radiation ◽  
Review Of The Literature ◽  
Diagnostic Practice ◽  
Positron Emission

This article provides a review of the literature on the history, physical and technical foundations and features of the application of positron emission tomography (PET), which came into practice in the 1970s. PET is a method of visualizing the space-time distribution of a positron-emitting radiopharmaceutical (RP) in the patient‘s body by annihilation radiation. The classification of radiopharmaceuticals that are used in clinical and diagnostic practice is considered.

scholarly journals GHOST COHOMOLOGIES AND HIDDEN SPACE–TIME SYMMETRIES

2007 ◽  
Vol 22 (13) ◽  
pp. 2441-2459 ◽  
Author(s):  
DIMITRI POLYAKOV
Keyword(s):  
Space Time ◽  
Vertex Operators ◽  
Superstring Theory ◽  
Global Space ◽  
Brst Invariance ◽  
Time Transformations

We observe and study new nonlinear global space–time symmetries of the full ghost + matter action of RNS superstring theory. We show that these surprising new symmetries are generated by the special worldsheet currents (physical vertex operators) of RNS superstring theory, violating the equivalence of superconformal ghost pictures. We review the questions of BRST-invariance and nontriviality of picture-dependent vertex operators and show their relation to hidden space–time symmetries and hidden space–time dimensions. In particular, we relate the space–time transformations, induced by picture-dependent currents, to the symmetries observed in the 2T physics approach.

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