Difluorocarbene Chemistry: A Simple Transformation of 3,3-gem-Difluorocyclopropenes to Cyclopropenones.

ChemInform ◽  
2007 ◽  
Vol 38 (1) ◽  
Author(s):  
Zhan-Ling Cheng ◽  
Qing-Yun Chen
2021 ◽  
Vol 7 (6) ◽  
pp. 6121-6127
Author(s):  
Yang Lei

With the continuous advancement of urban-rural integration, the scale of urban construction continues to expand, and a "transitional community" between the city and the countryside appears in response. The simple transformation of countryside from a traditional village form to a modern community is also accompanied by some contradictions and difficulties in structural transformation. In the discussion of "transitional community" governance, this paper analyzes the structure of transitional community under the premise of "meta-governance" theory, and proposes corresponding countermeasures to the problems of "transitional community" under the background of modern society.


2004 ◽  
Vol 116 (4) ◽  
pp. 2635-2635
Author(s):  
Ilya A. Udovydchenkov ◽  
Irina I. Rypina ◽  
Michael G. Brown ◽  
Francisco J. Beron‐Vera

1974 ◽  
Vol 6 (2) ◽  
pp. 392-406 ◽  
Author(s):  
Sidney I. Resnick

The inverse of an extremal process {Y(t), t ≧ 0} is an additive process whose Lévy measure can be computed. This measure controls among other things the Poisson number of jumps of Y while Y is in the vertical window (c, d]. A simple transformation of the inverse of the extremal process governed by Λ (x) = exp{– e–x} is also extremal-Λ (x) and this fact enables one to relate behavior of Y-Λ at t = ∞ to behavior near t = 0. Some extensions of these ideas to sample sequences of maxima of i.i.d. random variables are carried out.


1924 ◽  
Vol 22 (2) ◽  
pp. 138-162 ◽  
Author(s):  
R. Hargreaves

§ 1. The groundwork of the present paper is a general transformation of Maxwell's equations. As relativist speculation had its origin in a simple transformation, it was to be expected that something more would result when the general transformation was explored: the determining influence has proved stronger than I had anticipated.


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