نتایج جستجو برای: optimal process mean

تعداد نتایج: 2139893  

Journal: :iranian journal of pharmaceutical research 0
maria tavakoli ardakani ali tafazoli department of clinical pharmacy, shahid beheshti university of medical sciences school of pharmacy, tehran, iran mahshid mehdizadeh department of bone marrow transplant, taleghani hospital, shahid beheshti university of medical sciences, tehran, iran. abbas hajifathali department of bone marrow transplant, taleghani hospital, shahid beheshti university of medical sciences, tehran, iran. simin dadashzadeg department of pharmaceutics, school of pharmacy, shahid beheshti medical university, tehran, iran

objectives: graft versus host disease (gvhd) is a life threatening reaction in the stem cell transplantation process. nowadays cyclosporine is the most commonly utilized agent for gvhd prophylaxis and it has a major role in successful transplantation. cyclosporine has been applied for many years in this field but it could be stated that currently no general consensus is available for its optima...

This paper studies a single-stage production system, two-stage production system where specification limits are designed for inspection. When quality characteristics fall below a lower threshold or above an upper threshold, a decision is made to rework or scrap the item. The target is to determine the optimum target for a process based on rework or scrap costs. In contrast to previous studies, ...

2005
A. R. Ruuskanen A. Seppänen S. Duncan E. Somersalo J. P. Kaipio

In this paper a novel approach to automatic model-based control is proposed. Process tomography is used as a sensing device in the control system. The feedback control system is designed to regulate the concentration distribution of a substance in a fluid flow in a pipe.

Journal: :shiraz journal of system management 0

abstract. in recent years several studies have shown that  control charts with adaptive schemes or double sampling plans detect both small and moderate shifts in the process mean more quickly than the traditional shewhart  chart. in the classical double sampling  chart, the difference between two points were placed in the central region of first stage was not considered. in this study, a new co...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1391

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

2003
Donnacha Daly

This thesis explores three distinct philosophies for improving the efficiency of multi-carrier communication on the digital subscriber loop. The first topic discussed is impulse response shortening for discrete multitone transceivers. The minimum mean-squared error impulse response shortener is reformulated to allow near-optimal rate performance. It is demonstrated that the best existing eigen-...

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