نتایج جستجو برای: concentrated loading method

تعداد نتایج: 1728345  

Journal: :American sociological review 2016
Kenneth F Ferraro Markus H Schafer Lindsay R Wilkinson

Drawing from cumulative inequality theory, we examine the relationship between childhood disadvantage and health problems in adulthood. Using two waves of data from Midlife Development in the United States, we investigate whether childhood disadvantage is associated with adult disadvantage, including fewer social resources, and the effect of lifelong disadvantage on health problems measured at ...

Journal: :Social science & medicine 2005
Patricia B Reagan Pamela J Salsberry

Preterm births occur in 9.7% of all US singleton births. The rate for blacks is double that of whites and the rate is 25% higher for Hispanics than for whites. While a number of individual correlates with preterm birth have been identified, race and ethnic differences have not been fully explained. Influenced by a growing body of literature documenting a relationship among health, individual in...

Journal: :Journal of Wood Science 2021

Abstract Inspired by the use of rift-sawn softwood board for covering curved surfaces in Kokerabuki, a traditional Japanese roofing method, we investigated flexural anisotropy wood caused its end-grain orientation. We measured displacement species, Chamaecyparis obtusa and Cryptomeria japonica , hardwood Populus suaveolens Cerasus serrulata . For this was approximately five times longer specime...

2013
Zewdi J. Tsegai Tracy L. Kivell Thomas Gross N. Huynh Nguyen Dieter H. Pahr Jeroen B. Smaers Matthew M. Skinner

Bone is capable of adapting during life in response to stress. Therefore, variation in locomotor and manipulative behaviours across extant hominoids may be reflected in differences in trabecular bone structure. The hand is a promising region for trabecular analysis, as it is the direct contact between the individual and the environment and joint positions at peak loading vary amongst extant hom...

2011
C.-C. Huang J.-H. Lee

This paper deals with adaptive array beamforming in the presence of errors due to steering vector mismatch and finite sample effect. Diagonal loading (DL) is one of the widely used techniques for dealing with these errors. However, the main drawback of DL techniques is that there is not an easy and reliable manner to determine the required loading factor. Recently, serval DL approaches proposed...

Journal: :computational methods in civil engineering 2013
s. sarrami-foroushani m. azhari m. m. saadatpour

this paper deals with local buckling analysis of rectangular functionally graded material plates using finite strip method and based on classical plate theory. the modulus of elasticity of the plate is assumed to vary according to a power-law distribution in terms of the volume fractions of the constituents. the principle of minimum total potential energy is employed to obtain stiffness and sta...

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