منابع مشابه
Synthesizing a Clock Signal with Reactions---Part I: Duty Cycle Implementation Based on Gears
Timing is of fundamental importance in biology and our life. Borrowing ideas from mechanism, we map our clock signals onto a gear system, in pursuit of better depiction of a clock signal implemented with chemical reaction networks (CRNs). On a chassis of gear theory, more quantitative descriptions are offered for our method. Inspired by gears, our work to synthesize a tunable clock signal could...
متن کاملPart I : Part Ii : Part Iii : Part Iv
The theory of stick-slip is developed, based on the concept of a static and dynamic coefficient of friction. The dynamic coefficient is assumed to be independent of displacement and to depend wholly on normal stress across the surface. It is also assumed to be velocity-independent. The theory predicts that the stress drop during stick-slip is independent of machine stiffness. The displacement d...
متن کاملDistal Approaches in Patellofemoral Pain: A Systematic Review, Part I
Purpose: Increased patellofemoral joint reaction force (PFJRF) is the main cause of patellofemoral pain syndrome (PFP). Foot pronation causes faulty joint coupling of the lower limb and increases the PFJRF. Therefore, the aim of systematic review is effect of the distal interventions on the clinical symptoms and kinematic of PFP patients. Methods: The search strategy was carried out from Goo...
متن کاملSpotlight: Catalytic vinylogous anomeric based oxidation (Part I)
Stereoelectronic effects is a bridge between structure and reactivity [1]. Anomeric effect plays an important role in the domain of stereoelectronic interaction and can be used for description of several unusual phenomena. Intramolecular negative hyperconjugation is also known as anomeric effect [2]. In anomeric effect, both donor (lone pairs) and acceptor groups (electronegative elements) coex...
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ژورنال
عنوان ژورنال: American Journal of Engineering and Applied Sciences
سال: 2019
ISSN: 1941-7020
DOI: 10.3844/ajeassp.2019.127