Theory and application of reciprocal transformation of “path problem” and “time float problem”

2016 ◽  
Vol 51 (1) ◽  
pp. 43-66 ◽  
Author(s):  
Zhi-xiong Su ◽  
Jian-xun Qi ◽  
Han-ying Wei
Genealogy ◽  
2019 ◽  
Vol 3 (2) ◽  
pp. 14 ◽  
Author(s):  
Marcia Moraes ◽  
Laura de Toledo Quadros

In this paper, we share research narratives based on our practice as researchers. We understand that narrating, researching, and weaving are intertwined processes that lead us into peculiar and unpredictable actions in the research field. Therefore, researching is a risky practice. It entails unforeseen transformations and is both a craft and an ontological policy: If there is no given reality, what realities are performed along with our research practices? For what and to whom do we produce knowledge? We aim to discuss research policies that are in tune with local, contextualized, and embodied knowledge, and ways of doing research that consider the other—or the “object”—not as a passive target from whom you get information, but as an expert. Consequently, researching is understood as sharing expertise and as a reciprocal transformation device that activates all of those involved. We intend to share what has been produced by our research groups in Brazil. Our studies are intertwined as a network of connections and affectations and are guided by ResearchWith, which is a way of undertaking research that weaves WITH others and not ABOUT them. We emphasize this experience as a way of doing science in the feminine and we understand this as a craft.


2011 ◽  
Vol 56 (16) ◽  
pp. 1685-1689 ◽  
Author(s):  
Frédéric Ngezahayo ◽  
XiaoLi Wang ◽  
XiaoMing Yu ◽  
LiLi Jiang ◽  
YunJie Chu ◽  
...  

1975 ◽  
Vol 26 (2) ◽  
pp. 163-171 ◽  
Author(s):  
Nirupama Mohapatra ◽  
Wesley E. Kloos

SUMMARYPurine auxotrophs ofMicrococcus luteuswere induced byN-methyl-N′-nitro-N-nitrosoguanidine. They were biochemically characterized by growth stimulation with CO2-enriched air and purine intermediates and by the Bratton-Marshall test that is used to detect accumulated diazotizable amines. The mutants were divided into four classes:pur(EC),purH,purJ, andPur−. Thepur(EC) class was further subdivided intopurEandpurCby results of crossing all thepur(EC) mutants with a knownpurEreference strain (ATCC 27141). Mutants which were not linked to the referencepurEmarker were considered to bepurC. Genetic mapping was accomplished by using two-point reciprocal transformation crosses. The result of this study indicates thatpurJmutants may be loosely linked topurEandpurC, and purH mutants are not linked topurE,purCorpurJ.


2014 ◽  
Vol 2014 ◽  
pp. 1-12 ◽  
Author(s):  
Jianxun Qi ◽  
Zhixiong Su

One fundamental axiom for project plan and schedule relates to the notion that time float will be reduced following its consumption. However, an anomalous scenario can emerge in which an activity’s time float increases following its consumption. By exploring the associations between time float and paths in activity networks, we (a) reveal the conditions under which the anomaly occurs and (b) summarize laws related to total float. An activity’s total float increases in parallel with its duration prolongation within a given boundary but remains constant or decreases in parallel with a prolongation outside the boundary. Furthermore, whereas a prolongation of an activity’s duration in excess of classic total float does not delay project completion time, a lag of its start time to a degree slightly greater than the total float does. This analysis reveals different types of total float that correspond to different ways of usage. From this, we offer definitions for translation total float and prolongation total float that deviate from traditional conventions regarding the uniqueness of total float.


2018 ◽  
Vol 149 (4) ◽  
pp. 044111 ◽  
Author(s):  
Chen Zhou ◽  
Zhenhua Chen ◽  
Wei Wu

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