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the aging process was being monitored by periodical examination of physico-mechanical properties of test samples
روند پیری بود توسط معاینه دوره ای از خواص فیزیکی و مکانیکی نمونه تست مانیتور
Dernière mise à jour : 2016-02-26
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the compton wavelength is a quantum mechanical property of a particle.
طول موج کامپتون یک خاصیت مکانیک کوانتمی برای ذرات است.
Dernière mise à jour : 2016-03-03
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what silk biologists do is we try to relate these sequences, these amino acid sequences, to the mechanical properties of the silk fibers.
كاري كه تارشناسان انجام مي دهند اينه كه سعي مي كنند كه اين توالي هاي آمينو اسيد ها رو به ملحقات مكانيكي فيبرهاي تار ربط دهند.
Dernière mise à jour : 2015-10-13
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effect of different lengths of side groups on the thermal, crystallization and mechanical properties of novel biodegradable poly(ethylene succinate) copolymers
تأثیر طول های مختلف گروه های جانبی بر خصوصیات حرارتی ، تبلور و مکانیکی کوپلیمرهای جدید زیست تخریب پذیر پلی (اتیلن سوکسینات)
Dernière mise à jour : 2021-05-27
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it is shown by increasingly frequent reports in present day literature concerning the use of numerical analyses for assessing the degree of strength of the hard dental tissues and evaluating mechanical properties of dentistry materials
این با گزارش های مکرر در ادبیات امروزی در مورد استفاده از آنالیزهای عددی برای ارزیابی درجه استحکام بافت های سخت دندانی و ارزیابی خواص مکانیکی مواد دندانپزشکی نشان داده شده است.
Dernière mise à jour : 2022-07-03
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the pozzolanic effect of waste glass powder as a substitute for cement and fine aggregate on the mechanical properties of rolled concrete has been investigated. rolled concrete has been considered due to its high strength at early ages, ease of application, and speed of construction. in this study, the mechanical performance of rolled concrete for pavements was investigated.
اثر پوزوالنی پودر شیشه ضایعاتی به عنوان جایگزین سیمان و ریزدانه مصرفی بر خواص مکانیکی بتن غلتکی مورد بررسی قرار گرفته است. بتنغلتکی به علت برخورداری از مقاومت باال در سنین پایین، سهولت و سرعت اجرا مورد توجه قرار گرفته است. در این تحقیق به بررسی عملکرد مکانیکی بتن غلتکی روساز
Dernière mise à jour : 2025-02-12
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1. introduction mechanical properties of materials have been one of the most fundamental and widely studied areas in materials, owing to its crucial importance for real-life applications. for centuries, the development of materials has solely relied on the modifications of its composition to alter mechanical properties. despite being effective, it usually takes more than a decade for a newly discovered material to be in the market. over the course of history, the range of accessible materials kept on growing, allowing us to select a more suitable material for specific applications.[1–3] however, there are often definite couplings between the intrinsic properties of these materials, such as the intimate coupling between strength and density, where high strength materials are generally high in density and vice versa. on the other hand, numerous materials found in nature often exhibit intriguing properties unachievable with conventional materials.[4,5] these natural materials, particularly cellular materials, have evolved over the course of several million years such that they developed an optimized architecture which could span over multiple hierarchies across different length scales.[4–11] forinstance,the highly complex porous architecture of a bone core consisting of intricately-shaped ligaments and density gradients allowsitto achieve amuch higher structural efficiency comparedto most of the synthetic cellular materials developed by humans, which possess significantly less sophisticated architectures and are far from ideal.[10,11] another well-known example on the exploitation of architecture is the comparison between the great pyramid of giza and the eiffel tower. the eiffel tower is approximately twice as tall as the great pyramid of giza but exhibits similar structural integrity and is almost three orders of magnitude lighter due to its hierarchical and three-dimensional architecture.
Dernière mise à jour : 2021-04-30
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