The real-time vehicle routing problem with time windows and simultaneous delivery products and pickup wastage materials (RT-VRPTWDPPWM) is formulated as extension of VRP. The real-time delivery/pickup demands are served by capacitated vehicles with limited initial loads. Moreover, pickup services aren't necessarily done after delivery services in each route. A improved genetic algorithm ( ...

Ketamine is a rapid acting parentrally administered non barbiturate anaesthetic agent with minimum cardio respiratory depressant effect as compared to others (Paul et al 1982). It is in clinical use for more than ten years and used safely in aged and critically ill patients (Lorhan & Limppman 1971, Barson and Aren 1974). In sub-anaesthetic doses it has been safely used to produce obstetrical an...

Search Pointers organize the main part of the application on the Internet. However, because of Information management hardware, high volume of data and word similarities in different fields the most answers to the user s’ questions aren`t correct. So the web graph clustering and cluster placement in corresponding answers helps user to achieve his or her intended results. Community (web communit...

Ein schalenförmiges , stickstoffdotiertes Nanographen, das aus einem Pyrrolo[3,2-b]pyrrol-Kern besteht, der mit sechs zirkulär miteinander verbundenen Aren-Ringen substituiert ist, durchläuft die Bowl-to-Bowl-Inversion niedriger Barriere. Die Inversion ähnelt eines Regenschirms, im Wind umklappt. Der Übergangszustand ist nicht planar, sondern besitzt eine verdrehte, S-förmige Konformation Ci-Sy...