Time impacts

Holzer TR, Fulford AD, Arkins AM et al (2011) Ischemic time impacts biological integrity of phospho-proteins in PI3K/Akt, Erk/ MAPK, and p38 MAPK signaling networks. Anticancer Res 31 2073-2081... 

Type 2 Combination Powder Time Impact Fuze (pp 414-15)... 

The Internet can provide the in-depth content seen in print advertising, the real-time impact of television, the immediate response of direct mail and the mass reach of outdoor advertising (Randle, 2003). It is estimated that about 25% of online information is related to health, over 50% of adults who use the Internet use it for healthcare information and a quarter of patients who go to disease-specific web sites ask their doctors for a specific brand of medication in the United States (Matthews, 2001). Online marketing includes... 

Owing to adequate level of compatibility between polypropylene and ethylene-propylene copolymers, simple blends of these two polymers have been known for a long time. Impact modified... 

The principal causes of fracture of a plastic part are the prolonged action of a steady stress (creep rupture), the application of a stress in a very short period of time (impact), and the continuous application of a cyclically varying stress (fatigue). In all cases the process of failure will be accelerated if the plastic is in a aggressive environment. 

Addition of impact modifier also frequently affects other properties than impact strength. It was already reported that filler intake can be increased and the rate of flow is increased. Addition of impact modifier lowers flame resistance of PVC (with the exception of when CPE is used) because impact modifiers are more flammable than PVC. Impact modifiers aid in dispersion of additives, modify the elasticity of melt, and enhance the processing window.Some impact modifiers help to improve the surface of calendered film and preserve the shape of molded and extruded products. At the same time, impact modifiers may increase die swell (e.g., Metablen P). 

The impact modification of aliphatic PAs has been known for a long time. Impact modifiers for PPA are acrylic polymers composed from of ethylene, n-butylacrylate, acrylic acid, and maleic anhydride. Other types of impact modifiers are ethylene propylene rubbers, grafted with maleic anhydride. ... 

Fig. 4.2 Evaluating the timing impact of the physical synthesis transformation in Fig. 4.3 (output side only), a Traditional static timing analysis with lazy evaluation will mark the fanout cone of the change dirty, b If the change is found to have a negative impact on timing, it will be reversed. This reversal will be treated as another change, and the fanout cone wiU be marked dirty for a second time...

Fig. 4.3 A physical synthesis transformation improves the subcircuit in a by resynthesizing the logic, resulting in the circuit shown in b. The traditional way of evaluating the timing impact of such transformations can be improved considerably...

Fig. 9.4 An illustration of the flow in Fig. 9.3. At the beginning of clock optimization in a the clock is still idealized and latches are placed around the chip. In b local clock buffers (LCBs) are cloned and used to drive several latches each. To accommodate the timing impact of all the new LCBs, LCB control signals are optimized in (c). Global placement then moves latches close to LCBs in (d). Finally, leaf-level clock networks are inserted and clocks are unidealized...

Issues surrounding time impact more than just the system. A barometer must establish equilibrium to communicate the correct number of pascals. A thermometer must establish thermal equilibrium for high fidelity readings. If the allotted time is too short in either case, then errors will plague the information purchase. Mechanical and thermal waves do not propagate at the same rate and phase. Thus the errors regarding temperature will differ from those of pressure. It must also be noted that a measurement of T generally affects that of p and vice versa. The interference effects determine the limits to which thermodynamic information of different variables can be processed in parallel. 

In most applications the ability of the system to undergo essentially endless recycling is an important factor. Thus, the degradation response time impacts heavily on the effectiveness of the system. In this regard, the valence bond tautomeric isomerizations would appear to possess the most promising properties, while those mechanisms that involve fragmentation open the... 

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