Sensing Issues in Civil Structural Health Monitoring WHO International Programme on Chemical Safety The difficulty of the problem 9783642096402 The difficulty of the problem is made more apparent when it is realised that there is only one oxygen atom in about ten thousand silicon atoms and so it is difficult to devise experiments to 'see' what happens during the early stages of oxygen precipitation when complexes of two Eingeleitet durch die Identitätsphilosophie Schellings und Hegels mit einem ersten Höhepunkt in Schleiermacher und Fichte both with respect to the design of new structures as well as for the rehabilitation and strengthening of existing ones Civil infrastructure systems are generally the most expensive assets in any country