We consider the problem of finding an optimal mining sequence for an open pit during a number of time periods subject to only spatial and temporal precedence constraints. This problem is of interest because such constraints are generic to any open-pit scheduling problem and, in particular, because it arises as a Lagrangean relaxation of an open-pit scheduling problem. We show that this multi-pe...

Content Centric Network (CCN) is an emerging information centric network design. There are a lot of studies focusing on caching, applications and so on to make CCN getting perfect, while the scalability of Pending Interest Table (PIT) is still one of the primary concerns of high-speed forwarding. In this paper, we make an attempt to compress PIT with bloom filter. This paper has two contributio...

Background: The pit of Phoenix dactylifera contains different compounds such as saturated and unsaturated fatty acids, Zinc, Cadmium, Calcium and Potassium which could improve steroidogenesis. In this research, effect of phoenix dactylifera pit powder was evaluated on female rat reproduction. Materials and Methods: In this experimental study, 50 female wistar rats were divided in 5 groups of 10...

BACKGROUND Pit latrines are one of the most common human excreta disposal systems in low-income countries, and their use is on the rise as countries aim to meet the sanitation-related target of the Millennium Development Goals. There is concern, however, that discharges of chemical and microbial contaminants from pit latrines to groundwater may negatively affect human health. OBJECTIVES Our g...

Amphotropic murine leukemia virus (A-MuLV) utilizes the Pit-2 sodium-dependent phosphate transporter as a cell surface receptor to infect mammalian cells. Previous studies established that infection of cells with A-MuLV resulted in the specific down-modulation of phosphate uptake mediated by Pit-2 and in resistance to superinfection with A-MuLV. To study the mechanisms underlying these phenomen...

➥ lation are familiar and the ‘swing’ of the pressure trace during inspiration and expiration is easily seen on a standard monitor display. These changes are largely the consequence of alterations in intrathoracic pressure (PIT). It is important to recognise that PIT greatly influences the transmural pressure (PTM), which is the actual effective distending pressure of the cardiac chamber, and r...

The incidence of external and internal bitter pit in ‘Cox’s Orange Pippin’ apple (Malus domestics Borkh.) fruit sprayed with normal therapeutic sprays either with or without Ca salts at 2-week intervals during the growing season was determined after 6 weeks of storage over 7 consecutive years. Following harvest, fruit was either vacuum-infiltrated with CaCI2 or received no further treatment. Al...

OBJECTIVE To assess the usability and validity of the Primary Care Practice Improvement Tool (PC-PIT), a practice performance improvement tool based on 13 key elements identified by a systematic review. It was co-created with a range of partners and designed specifically for primary health care. DESIGN This pilot study examined the PC-PIT using a formative assessment framework and mixed-metho...