The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and General Information, المجلدات 9-10Hugh Chrisholm University Press, 1910 |
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الصفحة 143
... filaments of the body which are initially parallel to these extensions in the directions of the co - ordinate axes and the angles axes . Let exz , ey , ez denote the extensions parallel to the axes of x , y , z , and let ez , ez , ezy ...
... filaments of the body which are initially parallel to these extensions in the directions of the co - ordinate axes and the angles axes . Let exz , ey , ez denote the extensions parallel to the axes of x , y , z , and let ez , ez , ezy ...
الصفحة 144
... filaments of the body , the components of strain also express the changes of size of volumes and areas . In particular , the " cubical dilatation , " that is to say , the increase of volume per unit of volume , is expressed by the du dv ...
... filaments of the body , the components of strain also express the changes of size of volumes and areas . In particular , the " cubical dilatation , " that is to say , the increase of volume per unit of volume , is expressed by the du dv ...
الصفحة 145
... filaments is uniform throughout the bar ; and then the result takes the form of a law of proportionality connect- ing stress and strain : The tension is proportional to the exten- sion . Similar results are found for the same materials ...
... filaments is uniform throughout the bar ; and then the result takes the form of a law of proportionality connect- ing stress and strain : The tension is proportional to the exten- sion . Similar results are found for the same materials ...
الصفحة 146
... filaments as well as upon that of the longitudinal extended The rigidity depends upon both the directions involved in the specification of the shearing stress . In general there is no simple relation between the Young's moduluses and ...
... filaments as well as upon that of the longitudinal extended The rigidity depends upon both the directions involved in the specification of the shearing stress . In general there is no simple relation between the Young's moduluses and ...
الصفحة 149
... filaments must be contracted , and on the other side they must be extended . If we assume that the cross - sections remain plane , and that the central - line is unaltered in length , we see ( at once from fig . 9 ) that the extensions ...
... filaments must be contracted , and on the other side they must be extended . If we assume that the cross - sections remain plane , and that the central - line is unaltered in length , we see ( at once from fig . 9 ) that the extensions ...
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acid action al-din Alexandria alternating current amirs ancient angles army became body British Cairo caliph called canal centre century charge chemical church circuit conductor connexion copper Coptic curve death density desert dielectric direction disk distance dynamo Edwards eggs Egyptian electric current electric force electrified electrodes electrolyte electromagnetic electromotive force electroscope elements England English equation Greek important induction insulated ions iron J. J. Thomson Khartum khedive king Kingdom land later Leyden jar London Lord magnetic force Mahommed Malik Mamelukes measure Mehemet Mehemet Ali ment metal monuments native Nile Osman Digna Pasha period plane plate position potential pressure produced quantity railway reign result Roman solution strain stress Suakin Sudan sultan surface Syria temple theory tion tombs town traction troops unit Upper Egypt Wadi Halfa waves wire XIIth Dynasty