نتایج جستجو برای: relaxation technique

تعداد نتایج: 682362  

Journal: :Math. Program. 2000
Masakazu Kojima Levent Tunçel

Based on the authors' previous work which established theoretical foundations of two, conceptual, successive convex relaxation methods, i.e., the SSDP (Successive Semide nite Programming) Relaxation Method and the SSILP (Successive Semi-In nite Linear Programming) Relaxation Method, this paper proposes their implementable variants for general quadratic optimization problems. These problems have...

1997
S. O. Valenzuela H. Ferrari M. C. Marconi

A nonconventional technique for the measurement of magnetic relaxation in superconducting films at short times (;10 s) is described. This technique combines the application of a pulsed magnetic field and a synchronized high-energy pulsed laser. Remanent magnetic relaxation in ~Y;Gd!Ba2Cu3O72d thin films is reported over five decades time at reduced temperatures above 0.8. © 1998 American Instit...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...

1998
Masakazu Kojima

Based on the authors' previous work which established theoretical foundations of two, conceptual, successive convex relaxation methods, i.e., the SSDP (Successive Semide nite Programming) Relaxation Method and the SSILP (Successive Semi-In nite Linear Programming) Relaxation Method, this paper proposes their implementable variants for general quadratic optimization problems. These problems have...

1999
H. Linke B. K. Meyer M. Drechsler C. Wetzel F. Scholz

Microwave detection of the Shubnikov-de Haas (SdH) effect as a contact-free characterization technique for different types of two-dimensional semiconductor structures is explored in the low magnetic field region. The detection technique and the data analysis are described. The character and relevance of the single-particle relaxation time that can be detected by this technique are distinguished...

2002
A. J. Taylor D. J. Erskine C. L. Tang

The femtosecond intraband relaxation of hot carriers in GaAs, Al03 2Ga0 68 As, and the multiple-quantum-well structure is studied using the equal-pulse optical-correlation technique. An overview of the experimental application of this technique to semiconductors is presented. A detailed theoretical analysis of the coherent-artifact contribution to the transmission-correlation peak in the geomet...

2009
Shiaw-Shian Yu Wen-Hsiang Tsai

The relaxation process is a useful technique for using contextual information to reduce local ambiguity and achieve global consistency in various applications. It is basically a parallel execution model, adjusting the confidence measures of involved entities based on interrelated hypotheses and confidence measures. On the other hand, the neural network is a computational model with massively pa...

Journal: :Obstetrics and gynecology 2004
Kelley D Clark Christopher M Viscomi Jane Lowell Edward K Chien

BACKGROUND The ex utero intrapartum treatment (EXIT) procedure is a technique designed to establish an airway at the time of delivery in fetuses at risk of airway obstruction and requires maintenance of uterine relaxation to continue placental perfusion and prevent placental separation. We describe the use of intravenous nitroglycerin to maintain uterine relaxation during the EXIT procedure. ...

Journal: :Journal of molecular graphics & modelling 2001
N Mousseau P Derreumaux G T Barkema R Malek

The activated dynamics of proteins occur on time scales of milliseconds and longer. Standard all-atom molecular dynamics simulations are limited to much shorter times, of the order of tens of nanoseconds. Therefore, many activated mechanisms that are crucial for long-time dynamics will not be observed in such molecular dynamics simulation; different methods are required. Here, we describe in de...

1999
Yuanhui Zhang Peter B. Luh Kiyoshi Yoneda Toshiyuki Kano Yuji Kyoya

The increasing market demand for product variety forces manufacturers to design mixed-model assembly lines on which different product models can be switched back and forth and mixed together with little changeover costs. This paper describes the design and implementation of an optimization-based scheduling algorithm for mixed-model compressor assembly lines of Toshiba with complicated component...

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