نتایج جستجو برای: ris
تعداد نتایج: 1983 فیلتر نتایج به سال:
BACKGROUND Reference intervals (RIs) for serum IgG subclasses vary greatly among different geographical regions. The present study aimed to establish RIs for serum IgG subclasses in Chinese children, which is essential for interpretation of laboratory findings and making clinical decisions. METHODS This study was performed in accordance with guideline C28-A3, proposed by the International Fed...
The University of Wisconsin-Madison Antarctic Automatic Weather Station (AWS) project has been making meteorological surface observations on the Ross Ice Shelf (RIS) for approximately 30 years. This network offers the most continuous set of routine measurements of surface meteorological variables in this region. The Ross Island area is excluded from this study. The surface climate of the RIS is...
OBJECTIVE Many radiology information systems (RISs) installed during the 1980s have a user interface that is crude by today's standards. We explored improving this user interface by using the local processing power of the personal computer. In this article we describe a computer program that significantly enhances the ease of report retrieval by automating much of the interaction with our RIS, ...
This paper focuses on the connections between long-term development and Regional Innovation Systems (RIS) in China. It aims to investigate how the evolution of RIS fits with China’s overall process of economic upgrading. The analysis relies on Chinese patent applications filed to the EPO during the period 1981 to 2009, which authors have regionalised at a prefectural level. Conceptually, the in...
Preterm low-birth-weight infants remain difficult to manage based on adequate laboratory tests. The aim of this study was to establish blood reference intervals (RIs) in those newborns who were admitted to and survived in the neonatal intensive care unit (NICU). A multicenter prospective study was conducted among all infants admitted to 11 affiliated NICUs from 2010 to 2013. The clinical inform...
Objective To assess whether any alteration of B-cell subset distribution and/or the cytokine production capacities of B cells could be associated with any stage of MS and could be predictive of MS evolution. Methods We prospectively enrolled radiologically isolated syndrome (RIS), clinically isolated syndrome (CIS), naive patients with relapsing remitting MS (RRMS) of any disease modifying dr...
Longitudinal analyses are crucial for understanding long-term processes such as development and behavioral rhythms. For a complete understanding of such processes, both organism-level observations as well as single-cell observations are necessary. Sleep is an example for a long-term process that is under developmental control. This behavioral state is induced by conserved sleep-active neurons, ...
This paper investigates reconfigurable intelligent surface (RIS)-assisted full-duplex multiple-input single-output wireless system, where the beamforming and RIS phase shifts are optimized to maximize sum-rate for both single distributed deployment schemes. The preference of using or scheme is investigated through three practical scenarios based on links' quality. closed-form solution derived o...
This letter theoretically compares the active reconfigurable intelligent surface (RIS)-aided system with passive RIS-aided system. For a fair comparison, we consider that these two systems have same overall power budget can be used at both base station (BS) and RIS. RIS, first derive optimal splitting between BS’s transmit signal RIS’s output power. We also analyze impact of vario...
II J[u(.),xo' v()] == h [x(1 f }J+ f g{I,u(t }}it (2) '0 where X(I f) is the value of solution of Eqn, (l) at t == tf ' h: ~ n .~ \Ris convex, and g:{lo.lf Ix P ~ !Ris continuous ."ith respect to I and convex with respect to x, It is desired to select control function u minimizing the cost J Also it is given that the state vector x in the system given by Eqn.(l) is not observable, therefore, u(...
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