نتایج جستجو برای: elasticity testing

تعداد نتایج: 360961  

Journal: :Textiles 2023

Auxetic metamaterials expand transversely when stretched longitudinally or contract compressed, resulting in a negative Poisson’s ratio (NPR). fabrics are 3D textile possessing unique geometry that can generate an auxetic response with respect to tension. In weft-knitted fabrics, the NPR property is achieved due inherent curling effect of face and back stitches knit loops; they organized knitti...

2004
Dan Petrovici Dan A. Petrovici Christopher Ritson Mitchell Ness

This paper explores the heterogeneity of food consumption patterns in Europe. Estimates of the income elasticity of calorie demand are contrasted with those based on animal products. The dietary intake and the consumption of the main foods are analysed. The purpose is to outline the main dimensions of food consumption and identify the clusters of countries with homogeneous dietary patterns. The...

2013
Jeffrey M. Perloff

An upstream monopoly that provides a new good to a downstream oligopoly might prefer to sell to a single rather than to multiple downstream firms. For example, Apple initially sold its iPhone through one vendor. If a monopoly uses a single vendor, the government may impose a mandatory universal distribution (MUD) requirement that forces the monopoly to sell to all downstream vendors. However, i...

2008
David A. Gadish

The internal validity of a spatial database can be discovered using the data contained within one or more databases. Spatial consistency includes topological consistency, or the conformance to topological rules. Discovery of inconsistencies in spatial data is an important step for improvement of spatial data quality as part of the knowledge management initiative. An approach for detecting topo-...

Zeraatkish, D. Rashidi, F. Rashidi,

The price transmission from the international market to the domestic market of tunas was investigated in the present research. For this purpose, the elasticity of substitution between tuna imports with goods produced in Iran (Armington Elasticity) was calculated. Armington elasticity reflects a degree of substitution between commodities produced domestically and those produced abroad. A greater...

Journal: :Journal of biotechnology 2008
Satoru Kidoaki Takehisa Matsuda

The understanding and realization of directional cell movement towards a harder region of a cell culture substrate surface, so-called mechanotaxis, might provide a solid basis for a functional artificial extracellular matrix, enabling manipulation and elucidation of cell motility. The photolithographic surface microelasticity patterning method was developed for fabricating a cell-adhesive hydro...

2011
Paweł Rzymski Agnieszka Skórzewska Myriam Skibińska-Zielińska Tomasz Opala

INTRODUCTION Many physiological changes of breast elasticity depend on the age, hormonal status, menstrual cycle and many others. The aim of this study was to evaluate viscoelastic properties of normal breast tissues in a large group of women and to search for factors which play a role in its mechanical properties. MATERIAL AND METHODS 101 women aged 18-74 years who underwent B-mode sonograph...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
اسماعیل پیش بهار دانشیار گروه اقتصاد کشاورزی دانشکدة کشاورزی، دانشگاه تبریز مجید خیری نتاج فیروز جاه دانشجوی کارشناسی ارشد اقتصاد کشاورزی دانشگاه تبریز

consumption of dairy products in terms of the health and economic terms is very important. the analysis of consumer behavior can help to take policies consistent and correct in this regard. in this study the demand for milk, yogurt and cheese was estimated by using time series data related to 1984-2009 in the framework of the idea of an almost ideal demand system. the results showed that all of...

2003
Robert Beig Bernd G. Schmidt

Relativistic elasticity on an arbitrary spacetime is formulated as a Lagrangian field theory which is covariant under spacetime diffeomorphisms. This theory is the relativistic version of classical elasticity in the hyperelastic, materially frame-indifferent case and, on Minkowski space, reduces to the latter in the limit c → ∞. The field equations are cast into a first – order symmetric hyperb...

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