نتایج جستجو برای: micromacro structure
تعداد نتایج: 1567891 فیلتر نتایج به سال:
The main purpose of this paper is to introduce several concepts of the metric-like spaces. For instance, we define concepts such as equal-like points, cluster points and completely separate points. Furthermore, this paper is an attempt to present compatibility definitions for the distance between a point and a subset of a metric-like space and also for the distance between two subsets of a metr...
A study of the [C6 H6 Ir(PH3 )3 ]+ iridatropylium cation structure based on frontier orbital analysis, thermodynamic analysis, and natural bond orbital (NBO) theory is the main aim of the present research. Also, HOMO, LUMO energies, hardness, electrophilicity and chemical potential were calculated. Structural analysis indicated the optimized geometry shows a good agreement with the experimental...
Semi-buried structures are most commonly used at first line of defense along the border between two countries. This demands investigation of their dynamic behaviour under blast loading. Herein, a semi-buried structure with foam sandwiched walls and buttresses to reduce the effect of blast is analysed. The effect of provision of different configurations of buttresses and foam core between two la...
Damage detection has been focused by researchers because of its importance in engineering practices. Therefore, different approaches have been presented to detect damage location in structures. However, the higher the accuracy of methods is required the more complex deliberations. Based on the conventional studies, it was observed that the damage locations and its size are associated with dynam...
Nowadays, because of their innovative and scholarly nature, the scientific-research articles are taken into account as the best and sometimes the only judging criterion of their authors and scientific community. Therefore, all those who work in the academic fields and are working as A.M. and doctorate students or teachers are required to test their proficiency and to show that they are qualifie...
Given that social institutions are the basis of any society, they must ideally operate in unison with functional necessities for any society to function and then flourish. The plethora of issues confronting Nigeria as a country may be traced back to weak, incompetent, and dysfunctional social institutions that have failed to alter the status quo. According to Talcott Parsons, society is analogo...
Phycobilins, open-chain tetrapyrrole pigment molecules, serve as accessory photosynthetic light-harvesting pigments in red algae and cyanobacteria. Phycobilin pigments are covalently linked with proteins and formed phycobiliproteins are organized into large macromolecular complexes called phycobilisomes on the top of the thylakoid membranes. In deep water, only green light is available, thus ph...
سطح ذرات کلوئیدی یا ارگانهای مختلف سلولی در حضور آب اغلب باردار میگردد. این سطحِ باردار با جذب یونهای مخالف و دفع یونهای موافق، ناحیهای باردار پیرامونِ خود ایجاد میکند که دولایهی باردار (electrical double layer) نامیده میشود. به دلیلِ پیچیدگی مربوط به توزیعِ عوامل باردار رویِ سطح کلوئید و نیز ساختارِ پیچیدهی آب و ... پیشبینیِ توزیعِ بار و پتانسیلِ الکتریکی در این دولایه - بهشکل دقیق عملاً – غ...
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