نتایج جستجو برای: crushing

تعداد نتایج: 4872  

2008
A. F. Braham

The Indirect Tension Test (IDT) is frequently used for evaluation of asphalt material viscoelastic creep properties. With the increased use of finer aggregate gradations and polymer modified asphalt binders in asphalt materials, crushing can occur under the narrow loading heads. The new specimen configuration proposed has a trimmed area under the loading heads, creating a “flattened-IDT.” This ...

Journal: :The Journal of experimental biology 1985
D Conte-Camerino S H Bryant M D Lograno M Mambrini

The role of activity in the maintenance of the normal component resting conductances of skeletal muscle fibres has been evaluated in vitro in rat extensor digitorum longus muscle during reinnervation from 2 to 40 days (a) after crushing of the peroneus nerve and (b) after local application of tetrodotoxin (TTX) to the crushed nerve. Whereas membrane conductances were regained after crushing alo...

In this paper, considering symmetric collapse mode for hybrid tubes, and using Tsai-Hill fracture criterion to take into account the off-axis strength of an orthotropic lamina, an analytical model is extended and an expression is derived for mean crushing load and fold lengths of circular hybrid tubes. In this model, the influences of the geometrical dimensions including diameter, thickness of ...

A. Khalkhali, M. Mohseni Kabir, V. Agha Hosseinali Shirazi,

One of the most important structural components of engine compartment assembly in a car body is the Srail. S-rails has significant role in absorbing energy during crash events and therefore it is designed for efficient behavior in such conditions. Driving the peak crushing force of the S-rails is one of the important objectives in the design process of such structures. Peak crushing force is ex...

Journal: :Hepatobiliary & pancreatic diseases international : HBPD INT 2012
Feng Xia Wan-Yee Lau Kuan-Sheng Ma Ping Bie

Significant intraoperative bleeding and injuries to vital structures in the liver remnant can occur during liver parenchymal transection using the conventional clamp-crushing technique. We performed liver resection on 242 patients using a mosquito clamp-crushing technique combined with a self-assembled saline-linked diathermy for liver parenchymal transection. The mean blood loss was 215 mL (ra...

Journal: :فصلنامه علمی پژوهشی مهندسی مکانیک جامدات واحد خمینی شهر 0
faeze abdollahi msc student, faculty of mechanical engineering, semnan branch, islamic azad university, semnan, iran. mohammad javad rezvani assistant professor, department of mechanical engineering, semnan branch, islamic azad university, semnan, iran.

cylindrical thin-walled tubes due to construction and easy installation, high energy absorption capacity are used in the automotive industry as an impact energy absorber. however, the main weakness of cylindrical tubes is in the high initial peak load. therefore, in this paper, to overcome this weakness, a buckling initiator is used at the top of the tube. this buckling initiator is a steel rod...

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