نتایج جستجو برای: folding axis
تعداد نتایج: 130576 فیلتر نتایج به سال:
این پایان نامه در دو قسمت مجزا به صورت تئوری و عملی صورت گرفته است. در قسمت تجربی به سنتز و بررسی خواص اپتیکی و الکتریکی کوانتوم داتهای cdte و در قسمت تئوری به بررسی خواص اپتیکی نانولوله های کربن تک جداره در حضور میدان الکتریکی وابسته به زمان پرداخته شده است. قسمت 1: کوانتوم داتها، نانو بلورهای نیمرسانای صفر بعدی ای هستند که قطر فیزیکی آنها کمتر از شعاع بوهر اکساتیون است (1 تا 10 نانومتر). این...
Abstract. Dating syntectonic sedimentary sequences is often seen as the unique way to constrain initiation, duration, and rate of folding well sequence deformation in shallow crust. Beyond fold growth, however, mesostructures accommodate internal strain pre-folding strata before, during, after tilting. Absolute dating syn-folding may help duration growth absence preserved strata. related early-...
E nergy landscape theory unites the study of protein folding with the theory of phase transitions. Dimensionality, whose key role in phase transitions is well known, comes to the fore in folding repeat proteins. Repeat proteins are made of near repetitions of 20–40 residues encoding recurring structural motifs. Each repeating element interacts only with its immediate neighbors, forming extended...
Final page numbers not assigned T IO N Origami, the traditional paper art, is a folding technique in which elegant and complex three-dimensional (3D) objects are produced from planar sheets. Significant scientific and technological interest in origami assembly methods have emerged due to the recognition that nature utilizes controlled folding and unfolding schemes to produce intricate architect...
abstrac: in recent years, honey bee products other than just honey such as pollen, propolis, waxes and venoms have gained considerable attention. hive is the most important tool in honey bee industry, the proper construction of which could play a key role in improving honey bee production. since 1382, investigations have been done on hives made inside the country to eliminate deficiencies s...
wireless communication is the major form of connection nowadays. in most cases it exploits the benefits of the spread spectrum techniques to overcome channel introduced corruptions like doppler residual frequency, noise, interference and jamming. these techniques also enhance the security and quality of the link. using long spreading pseudo-noise codes provides further security for the link tho...
Ferritin is a protein of 24 subunits which assemble into a shell with 432 point symmetry. It can be denatured reversibly in acidic guanidine hydrochloride, with the formation of poorly populated renaturation intermediates. In order to increase the accumulation of intermediates and to study the mechanism of ferritin renaturation, we analysed variants of the human ferritin H-chain altered at the ...
The Turing reaction-diffusion model explains how identical cells can self-organize to form spatial patterns. It has been suggested that extracellular signaling molecules with different diffusion coefficients underlie this model, but the contribution of cell-autonomous signaling components is largely unknown. We developed an automated mathematical analysis to derive a catalog of realistic Turing...
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