Burning Rate Control Factors in Solid Propellants

1961 ◽  
Author(s):  
Kimball P. Hall ◽  
E. C. Bastress
Keyword(s):  
Burning Rate ◽  
Rate Control ◽  
Solid Propellants ◽  
Control Factors

Nanodiamonds characterization and application as a burning rate modifier for solid propellants

2021 ◽  
Vol 27 ◽  
pp. 102332
Author(s):  
Alexey V. Sergienko ◽  
Kristina N. Solovieva ◽  
Anastasia V. Balakhnina ◽  
Evgeniy A. Petrov ◽  
Dmitriy Yu. Ozherelkov ◽  
...  
Keyword(s):  
Burning Rate ◽  
Solid Propellants

scholarly journals Rhythm and rate control of atrial fibrillation in the emergency department – A large community-based observational study

CJEM ◽  
2017 ◽  
Vol 20 (6) ◽  
pp. 834-840 ◽  
Author(s):  
Cameron J. Gilbert ◽  
Paul Angaran ◽  
Zana Mariano ◽  
Theresa Aves ◽  
Paul Dorian
Keyword(s):  
Atrial Fibrillation ◽  
Emergency Department ◽  
Rate Control ◽  
Primary Diagnosis ◽  
Left Ventricular ◽  
Rhythm Control ◽  
Chads2 Score ◽  
Control Factors ◽  
Wide Range ◽  
Canadian City

AbstractObjectiveAtrial fibrillation (AF) is the most common arrhythmia presentation to the emergency department (ED) and frequently results in admission to the hospital. Although rarely life-threatening and not usually an emergent condition, AF places a large burden on our health-care system. The objective of this study was to describe the practices of ED physicians in the management of AF in a large urban Canadian city.MethodsFrom January 1, 2010 to December 31, 2010, patients with a primary diagnosis of AF were identified across 10 EDs in Toronto, Canada (N=2,609). Fifty patients were selected at random from each hospital for a detailed chart review (n=500).ResultsTwo hundred thirty-two patients (46%) received rate control, and 129 (26%) received rhythm control with the remainder (28%) receiving neither therapy. Sixty-seven percent of patients were discharged home. Most patients (79%) were symptomatic on arrival; however, only a minority of these (31%) received rhythm control. Factors that were associated with rhythm control included younger age, duration of palpitations ≤ 48 hours, a lower CHADS2 score, and the absence of left ventricular dysfunction.ConclusionOur data suggest a wide range of practice amongst ED physicians treating patients presenting to the ED with a primary diagnosis of AF. A randomized trial is needed to better understand the optimal management strategy in this patient population and setting.

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