نتایج جستجو برای: static strain aging
تعداد نتایج: 425742 فیلتر نتایج به سال:
Sutures are fibrous connective tissue articulations between intramembranous craniofacial bones. Sutures are composed of fibroblastic cells with their matrices in the center and osteogenic cells in the periphery producing a matrix that is mineralized during skeletal growth. Whether oscillatory forces stimulate sutural growth is unknown. In the present work, we applied static and cyclic forces wi...
In order to aging study of the compsite solid propellants, usually the changes in propellant properties during warehousing and storage are measured, and then the shelf life of them estimated. In this regard, by applying the common methods based on mechanical tests, chemical and thermal analysis, the propellant properties due to aging and time lapse are measured. In this paper, first we remark t...
Mechanical trauma of the gut is an unavoidable event in abdominal surgery. Former studies demonstrated that intestinal manipulation induces a strong inflammation within the tunica muscularis. We hypothesized that mechanical strain initiates or aggravates proinflammatory responses in intestinal smooth muscle cells (iSMC) or macrophages. First, an appropriate isolation and culture method for neon...
Passive radiative cooling technologies are highly attractive in pursuing sustainable development. However, current materials often static, which makes it difficult to cope with the varying needs of all-weather thermal comfort management. Herein, a strategy is designed obtain flexible thermoplastic polyurethane nanofiber (Es-TPU) membranes via electrospinning, realizing reversible in-situ solven...
Evaluation of behaviour of thick-walled cylinders under high strain rate loading is of great importance because of their many applications. Most of the studies around these structures were performed in the state of static and quasi-static. Therefore, development of analytical model in structures loaded with high rates in dynamic state and in complete plastic domain is valuable. The main purpos...
ABSTRACT- Mechanical damage degrades fruit quality in the chain from production to the consumption. Damage is due to static, impact and vibration loads during processes such as harvesting, transportation, sorting and bulk storage. In the present study finite element (FE) models were used to simulate the process of static bruising for apple fruits by contact of the fruit with a hard surface. Thr...
به منظور بررسی تأثیر باکتری های ازتوباکتر و سودوموناس و سطوح مختلف کود شیمیایی بر کمّیت و کیفیت علوفه شلغم علوفه ای(brassica rapa l.) آزمایشی در سال زراعی 91-1390 در مزرعه ی پژوهشی موسسه ی تحقیقات برنج کشور (رشت) در قالب طرح بلوک های کامل تصادفی با 14 تیمار و سه تکرار اجرا شد. تیمارهای آزمایشی شامل شاهد (بدون کود و بدون تلقیح)، کود کامل شیمیایی و بدون تلقیح، تلقیح با azotobacter chroococcum stra...
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