Results 121 to 130 of about 140,852 (310)

Accuracy of Diagnostic Codes and Algorithms Used to Identify Rheumatoid Arthritis and Juvenile Idiopathic Arthritis in Administrative Claims and Electronic Health Records: Systematic Review and Meta‐Analysis

open access: yesArthritis Care &Research, EarlyView.
Objective This systematic review aimed to assess the diagnostic accuracy of algorithms used to identify rheumatoid arthritis and juvenile idiopathic arthritis in electronic health records. Methods We searched Medline, Embase, and Cochrane Central Register for Controlled Trials databases and included studies that validated case definitions against a ...
Constanza Saka‐Herrán   +10 more
wiley   +1 more source

Analysis of internal explosion load characteristics and dynamic behavior in RC box structures

open access: yesBaozha yu Chongji
In a reinforced concrete (RC) box structure, the dissipation of blast waves is restricted, and damage to the structure can be intensified due to multiple reflections.
Junrun LI   +3 more
doaj   +1 more source

Venting of liquid hydrogen tankage [PDF]

open access: yes
Venting of spherical liquid hydrogen ...
Aydelott, J. C., Spuckler, C. M.
core   +1 more source

Temporal Trends and Short‐ and Long‐Term Mortality of People With Acute Myocardial Infarction and Rheumatoid Arthritis: A Nationwide Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective We investigated whether a diagnosis of rheumatoid arthritis (RA) affects the quality of inpatient acute myocardial infarction (AMI) care and long‐term mortality post‐AMI. Methods We analyzed data from 784,091 adults, 6,047 with a diagnosis of RA, from England and Wales hospitalized with AMI between 2005 and 2019 from the Myocardial Ischaemia ...
Megan Butler   +8 more
wiley   +1 more source

Cumulus cloud venting of mixed layer ozone [PDF]

open access: yes
Observations are presented which substantiate the hypothesis that significant vertical exchange of ozone and aerosols occurs between the mixed layer and the free troposphere during cumulus cloud convective activity.
Brewer, D. A.   +3 more
core   +1 more source

New Onset of Fibromyalgia After Exposure to a Combat Environment: A Longitudinal Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective Traumatic life events are hypothesized to be triggers for the onset of fibromyalgia. Posttraumatic stress disorder (PTSD) is a common comorbidity of fibromyalgia. However, limited prospective data are available on the development of fibromyalgia after exposure to high‐magnitude stress.
Jay B. Higgs   +15 more
wiley   +1 more source

Gas release and conductivity modification studies [PDF]

open access: yes
The behavior of gas clouds produced by releases from orbital velocity in either a point release or venting mode is described by the modification of snowplow equations valid in an intermediate altitude regime.
Baxter, D. C., Linson, L. M.
core   +1 more source

Underwater seismic source [PDF]

open access: yes, 1979
Apparatus for generating a substantially oscillation-free seismic signal for use in underwater petroleum exploration, including a bag with walls that are flexible but substantially inelastic, and a pressured gas supply for rapidly expanding the bag to ...
Yang, L. C.
core   +1 more source

Numerical simulation of high-pressure CO2 pipeline venting and safe release

open access: yesYou-qi chuyun
[Objective] Carbon capture, utilization and storage(CCUS) is an indispensable technology for achieving carbon neutrality,and CO2 pipeline transmission is a significant component of this technology.
LIU Xin   +7 more
doaj   +1 more source

Acoustical transducer calibrating system and apparatus [PDF]

open access: yes, 1973
An acoustical transducer calibrating system includes a differential pressure actuating device having an inner chamber for applying differential pressures to the transducer, and an outer chamber for vacuum sealing.
Cohn, R. B., Lewis, T. L.
core   +1 more source

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