Event generators

Birkin P R, O Connor R, Rapple C and SilvaMartinez S 1998 Electrochemical measurement of erosion from individual cavitation events generated from continuous ultrasound J. Chem. See., Faraday Trans. 94 3365... 

There have been a few approaches to calculate the effect of cyclization on the MWD [75-77]. Since each cyclization event generates a new multifunctional initiator, it becomes clear that cyclization is expected to narrow the MWD. 

How do chain transfer events generate long chain branches in polyethylene ... 

Table I. Summary of Base Substitution Events Generated by BPDE...

By virtue of rendering iron catalytically inactive, dietary phytate may also suppress the incidence of colonic cancer (J2j>). Intestinal aerobic bacteria and/or minor inflammatory events generate substantial amounts of O27 leading to OH formation and lipid peroxidation. These two processes are thought to be important elements in tissue injury which occurs during inflammation. This argument is compatible with the observation that colonic cancer is frequently preceded, or accompanied, by pigmentation of the colonic epithelium lipofuscin, a byproduct of lipid... 

The close proximity of the photosynthetic donors and acceptors may also account for some of the optical changes observed on short time scales (10" to 10" secs) following the primary electron transfer (1-3), In bacterial R,C, s, this event generates a BChl cation (the special pair) and a BPheo anion (27), According to the x-ray structure of the R, vlrldls R,C, (4), these two... 

The central event in an epimerization reaction is the removal of a proton from the chiral a-carbon of an amino acid residue. This event generates an enolate with a trigonal planar carbon atom. Replacement of the proton on the face opposite from which it was abstracted results in the inversion of the configuration of the a-carbon. In theory, this event can occur at any stage of peptide synthesis. In practice, however, epimerization is observed almost exclusively during the amide-bond-formation step. This discussion will be confined to that type of epimerization. 

The main goal of the application is to provide system operators with a view of the security status of the information system. As such, it collects events generated by multiple components of the information system and normalizes them into a generic format. Events are then homogenized to facilitate the display in a generic web application. The architecture of the application is presented in Figure 1. 

The timestamp of the report does not provide information about the temporal validity of audit information. It is likely that the vulnerability did exist before the audit time. As a conservative measure, we consider that vulnerability exists before the current audit report and up to the time of the previous report if it exists, forever otherwise. When a new report becomes available, events generated after the time of the previous report are reevaluated in the light of the current report. They remain as is they were... 

Fig. 7.3 Deterministic (a) and noisy (b) computer simulations of the time course of affective disorders showing the intervals between successive disease episodes (interval duration) as a function of a disease variable S and examples of episode generation from different disease states (figure modified after [2]). In deterministic simulations (a), there is a progression from steady state (S = 18) to subthreshold oscillations (S = 22) with immediate onset of periodic event generation at a certain value of S (slightly below S = 60). With further increase of S, the intervals between successive episodes are continuously...

The complete system responses are determined by the interactions, i.e. resonances, between the subthreshold and event-generating mechanisms. Again, in the HPA axis model, these interactions, so far, are rather simple and unidirectional. The circadian pacemaker modulates the H PA feedback loops in a nonlinear multiplicative way but is itself not influenced by the dynamics of the cortisol releasing processes. In contrast, in the neuronal and psychiatric models, the two subsystems are interlinked by a common control variable, the membrane voltage and the disease variable, respectively. These interlinks are a major source of very complex, inclusively chaotic dynamics [96, 111, 112]. 

Hence, the competition between the two subsystems of slow oscillations and fast event generation seems to play a major role for physiologically and pathophysi-... 

Correction for efficiency of the detector, number of events generated by a single photon, detector proportionality, etc, all of which must be precise and reproducible. 

In human tumors, the pattern of p53 mutations is dominated by base transitions (C to T or G to A) at CpG dinucleotides (23% of all mutations). Although this type of mutation has been observed at 35 different codons, 90% of human CpG transitions are at one of six hotspot codons 175,213,245, 248, 273 and 282 (Fig. 3A) known to be important in maintaining p53 biological activity. CpG dinucleotides are sites of cytosine methylation, and deamination of 5-methylcytosine producing thymine is the most characteristic event generating spontaneous mutations in mammalian cells (Barker et... 

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