منابع مشابه
Dev107326 4087..4097
In vertebrate retina, histogenesis occurs over an extended period. To sustain the temporal generation of diverse cell types, retinal progenitor cells (RPCs) must self-renew. However, self-renewal and regulation of RPCs remain poorly understood. Here, we demonstrate that cellextrinsic factors coordinate with the epigenetic regulator high-mobility group AT-hook 2 (Hmga2) to regulate self-renewal ...
متن کاملAutomation System for Curtain Wall Installation Ii ( Asci Ii )
As a trial of automation for a curtain wall which is one of heavy materials, the prototype of an ASCI(Automation System for Curtain wall Installation) was proposed and applied in real construction site. Human-robot cooperation is one of the solutions to improve ASCI. The aim of this paper is to develop a control algorithm for ASCI, which is a human-robot cooperative system, and the practical ap...
متن کاملThe Analysis of the Curtain Wall Installation Robot : Based on the Test in the Construction Site
Automation in construction is one of the important issues in the field of robotics, but is distinct from factory automation (FA). Because of variations in materials and management, the role of automation in construction is often limited. A curtain wall is a large, heavy breakable object and requires precision installation, making it a better candidate for automated installation. A curtain-wall ...
متن کاملA Numerical Modeling Study for Determining the Optimal Depth of Grout Curtain in Foundation and Abutments of Karun 4 Dam
Some experimental relations have been developed for determining the grout curtain depth, but these relations cannot be applied to any dam with any geological condition. Therefore, the effect of the grout curtain depth on seepage through foundation and abutments of each dam should be studied separately. To examine this parameter in Karun 4 dam, the numerical modeling method was applied using FLA...
متن کاملCrosswise Recursive Algorithm of Optimized Wrinkling for Quadric Surface Metal Curtain Wall
Metal curtain walls have been used to decorate the interiors and exteriors of large buildings. Most exteriors used in performing surface modeling of large buildings are linked or pieced by quadric surface. This surface, which is non-expansible, will cause wrinkling when stamped and used as a flat sheet metal of a metal curtain wall. These wrinklings are not distributed effectively because of th...
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ژورنال
عنوان ژورنال: Transactions of the Architectural Institute of Japan Summaries of Technical Papers
سال: 1965
ISSN: 2433-0035
DOI: 10.3130/aijsaxxe.40.0_559