abstract competition is a phenomenon that influences the size, structure and stability of insect communities, particularly on solitary endoparasitoids species. although, competition normally incurs costs, it might be adaptive for the surviving individual. to determine which factors affect the patch use strategy of foragers under competition, the effect of previous experience with hosts already-...

this paper presented a mixed integer programming for integrated scheduling and process planning. the presented process plan included some orders with precedence relations similar to multiple traveling salesman problem (mtsp), which was categorized as an np-hard problem. these types of problems are also called advanced planning because of simultaneously determining the appropriate sequence and m...

Here we report a novel approach for preparation of a 6-day transdermal drug delivery system (TDDS) as treatment for mild to moderate Alzheimer’s disease. The spray drying method was used to prepare microparticles containing the anti-Alzheimer drug. The content of the drug was determined by High Performance Liquid Chromatography (HPLC) method. The morphology and size range of the microparticles ...

contraceptive patches have become a frequently used contraceptive method. we present a mathematical model that describes the serum concentration profiles of norelgestromin (ngmn) and ethinylestradiol (ee) released from the contraceptive patch ortho evra®. we propose a simple one-compartment model based on pharmacokinetics data reported in previous studies. the model assumes a time-dependent rel...

Background: Various environmental factors can induce or exaggerate hand eczema. Objective: Evaluation of patch test results in hand eczema patients. Patients and Methods: In this descriptive study 100 patients with hand eczema referred to Loghman Hakim and Booali Hospital in Tehran underwent patch testing with 23 allergens obtained from Hermal company. Results: 240 positive reactions observed i...