نتایج جستجو برای: sdd

تعداد نتایج: 770  

2014
H. Zhang Y. P. Zhou H. J. Peng X. H. Zhang F. Y. Zhou Z. H. Liu X. G. Chen

The aim of the meta-analysis was to provide more solid evidence for the reliability of the new classification. A systematic literature search was performed using PubMed, Armed Forces Pest Management Board Literature Retrieval System, and Google Scholar up to August 2012. A pooled odds ratio (OR) was calculated using either a random-effect or a fixed-effect model. A total of 16 papers were ident...

2004
Doron Chen Sivan Toledo

We characterize the structure of null spaces of symmetric diagonally dominant (SDD) matrices and symmetric H-matrices with non-negative diagonal entries. We show that the structure of the null space of a symmetric SDD matrix or H-matrix A depends on the structure of the connected components of its underlying graph. Each connected component contributes at most one vector to the null space. This ...

2011
Marlijn Kamps Laurens LA Bisschops Johannes G van der Hoeven Cornelia WE Hoedemaekers

INTRODUCTION Hypothermia may improve outcome in patients after traumatic brain injury, especially when hypothermia is maintained for more than 48 hours. In the acute phase, patients with severe brain injury are more vulnerable to infections. Prolonged hypothermic treatment may further enhance the risk of infection. Selective decontamination of the digestive tract (SDD) reduces the risk of respi...

2003
Yeni Herdiyeni Zainal A. Hasibuan

The focus of this paper is exploring the use of Latent Semantic Indexing (LSI) and Semi-Discrete Matrix Decomposition (SDD) in Bahasa Indonesia Information Retrieval System. The method is to take advantage of implicit higher-order structure in association of terms with document (" semantic structure ") in order to improve the detection of relevant document on the basis of terms found in queries...

Journal: :Respiratory care 2005
Richard H Kallet Thomas E Quinn

The gastrointestinal tract is believed to play an important role in ventilator-associated pneumonia (VAP), because during critical illness the stomach often is colonized with enteric Gram-negative bacteria. These are the same bacteria that frequently are isolated from the sputum of patients with VAP. Interventions such as selective decontamination of the digestive tract (SDD), use of sucralfate...

2010
Dayananda Shamurailatpam Sharma Vaibav Mhatre Malhotra Heigrujam Kaustav Talapatra Suman Mallik

Portal dosimetry (PD) was performed for 181 fields from 14 IMRT plans of various clinical sites at gantry zero and source-to-detector distance (SDD) of 100 cm. PD was realized using aSi1000 electronic portal imaging device (EPID) and portal dose prediction (PDP) algorithm implemented in Eclipse treatment planning system (TPS). Agreement of PDP predicted and EPID measured photon fluence/dose dis...

2007
Michael Pühringer

The aim of this paper is to illustrate Structured Design of Documents (SDD) with special focus on print disabled readers in terms of defining an applicable meta-data formatting specification for publishing companies ensuring accessible e-books meeting the needs of print disabled readers. Print disabilities are impairments that prevent people from holding printed materials or from reading indepe...

2017

Developing countries typically exhibit small firm size, high dispersion of firm-level productivity, and low trade-to-output ratios. They also tend to export particularly less to more distant and smaller markets. To rationalize these facts, this paper develops a flexible, multi-country general equilibrium model of production and trade in which heterogeneous producers face both domestic size-depe...

2018

Developing countries typically exhibit small firm size, high dispersion of marginal productivity of factors across firms, and low trade-to-output ratios. They also tend to export particularly less to more distant and smaller markets. To rationalize these facts, this paper develops a flexible, multi-country general equilibrium model of production and trade in which heterogeneous producers face b...

Journal: :Frontiers in Materials 2021

An X-ray pulsar is a remnant of massive star evolution, collapse, and supernova explosions. It has an extremely stable spin cycle known as the most accurate astronomical clock in natural world. presents high-precision navigational information, such location, speed, time, attitude, which are used deep space exploration interstellar flight, navigation (XPNAV). However, energy from very low its si...

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