نتایج جستجو برای: nns
تعداد نتایج: 1308 فیلتر نتایج به سال:
OBJECTIVE: To characterize the integrity of non-nutritive suck (NNS) parameters among three groups of preterm infants ranging from normal to those with progressive degrees of respiratory distress syndrome (RDS). STUDY DESIGN: NNS compression waveforms were sampled from 55 infants in the neonatal intensive care unit using a silicone pacifier electronically instrumented for intraluminal pressure....
OBJECTIVE To assess the impact of instructional guidance in the regular use of use nicotine nasal spray (NNS) on the true use of NNS during the first three weeks of smoking cessation for heavy smokers who are willing to quit. METHODS This randomized, open, controlled trial included 50 patients who were heavy smokers, were willing to quit, and attending an academic outpatient clinic in Western...
A 2009 American Heart Association scientific statement titled “Dietary Sugars Intake and Cardiovascular Health” (1) concluded that current intake of added sugars among Americans greatly exceeds discretionary calorie allowances based on the 2005 U.S. Dietary Guidelines (2). For this reason, the American Heart Association Nutrition Committee recommended population-wide reductions in added sugars ...
The nearest neighbor search (NNS) problem is the following: Given a set of n points P = fp 1 ; : : : ; p n g in some metric space X , preprocess P so as to eeciently answer queries which require nding a point in P closest to a query point q 2 X. The approximate nearest neighbor search (c-NNS) is a relaxation of NNS which allows to return any point within c times the distance to the nearest neig...
Nearest-neighbor (NN) search in high dimensional space is widely used for the similarity retrieval of images. Recent research results in the literature reveal that NNsearch might return insigni cant NNs in high dimensional space because points could be so scattered that every distance between them might yield no signi cant di erence. Insigni cant NNs are troublesome with respect to the e ciency...
BACKGROUND Pressure ulcers (PUs) are considered a serious problem in nursing care and require preventive measures. Many risk assessment methods are currently being used, but most require the collection of data not available on admission. Although nurses assess the Nursing Needs Score (NNS) on a daily basis in Japanese acute care hospitals, these data are primarily used to standardize the cost o...
this paper presents an accurate differential global positioning system (dgps) using multi-layered neural networks (nns) based on the back propagation (bp) and imperialistic competition algorithm (ica) in order to predict the dgps corrections for accurate positioning. simulation results allowed us to optimize the nn performance in term of residual mean square error. we compare results obtained b...
We have investigated the coordination modes of NNS Schiff base, thioether ligands to manganese(I) carbonyls. The ligands contain ortho substituted pyridines (H, CH3, OCH3, fluorophenyl) and varying substituents (H, CH3) at the Schiff base linkage. In general, reaction of [Mn(CO)5Br] with a tridentate NNS ligand in CH2Cl2 affords species in which the thioether-S may be bound or unbound to the ma...
Corpus linguistic analysis has been increasingly applied to the studies of variation in surface linguistic features of second language writing. Previous research found that nonnative English speaking (NNS) writers at higher levels of proficiency produced larger quantity (measured by the number of words) and greater quality (measured by the number of varieties of lexical items used in the texts)...
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