Two energy hybrid filter systems were considered which reduce level of higher mains current harmonics. An advantage of such system is low demanded active filter power because in complements only passive filter operation. The first considered system has inverter switched on in series with shunt passive filter. Through optimization of control parameters it is able to eliminate specific higher mai...

In the Netherlands, wastewater is collected in municipal areas and transported to centralised WWTPs by an extensive system of pressure mains. Over the last decades these pressure mains did not receive much attention in terms of monitoring of performance or maintenance. A recent inventory showed that half of the pressure mains show an increased pressure loss for no directly obvious reason. One o...

Previous studies indicate that the local aquifer systems in the Mid-Levels, a highly urbanized coastal area in Hong Kong, have commonly been affected by leakage from water mains. The identification of leakage locations was done by conventional water quality parameters including major and trace elements. However, these parameters may lead to ambiguous results and fail to identify leakage locatio...

This paper provides a comprehensive (although not exhaustive) overview of the physical/mechanical models that have been developed to improve the understanding of the structural performance of water mains. Several components have to be considered in modelling this structural behaviour. The residual structural capacity of water mains is affected by material deterioration due to environmental and ...

La première est spécialiste d’histoire de la littérature et du livre au Québec, le second sociologue. Tous deux ont uni leurs forces expertises pour examiner l’histoire d’un objet qui leur tient à cœur : roman sentimental, tel qu’il s’est développé Québec. Dans un ouvrage fouillé paru aux Presses l’Université Montréal écrit quatre mains par chercheurs issus disciplines n’ont pas habitude collab...

Pendant Les annees dernieres la Pollution de l, athmosphere des salles d, Operation Par les anesthesiques volatils et Gazeux est bien etu­diee et la consequence Pathologique de cette Pollution est certaine; c, est Poruquois nous som­mes obliges de diminuer cette Pollution et em­pecher de se repandre ces agents dans les salles d, Operation. 

Anesthesie et Reanimation pour Hemie diaphragmatique du Nouveau -ne. Le diagnostic de la hernie diaphragrnatique du nouveau -ne se fait tres tot et souvent dans lasallle d'accouchement. La compression et le deplacemen t des or­gan es thoraciques ainsi que les gros vais­seaux du rnediastin provoquent rapidernent une insuffisance cardio respiratoire aigue. La chirurgie est indiquee desque le diag...