Results 11 to 20 of about 4,461,053 (307)

Performance of screening for aneuploidies by cell-free DNA analysis of maternal blood in twin pregnancies [PDF]

, 2015
Objectives To report clinical implementation of cell‐free DNA (cfDNA) analysis of maternal blood in screening for trisomies 21, 18 and 13 in twin pregnancies and examine variables that could influence the failure rate of the test.
BEVILACQUA, ELISA, E. Ordoñez, H. Dierickx, JC Jani, KH Nicolaides, MM Gil, PJ Willems, V. Cirigliano   +7 more
core   +1 more source

An Examination of the Failure Rate and Content Equivalency of Electronic Surrogates and the Implications for Print Equivalent Preservation

Evidence Based Library and Information Practice, 2010
Objective – This study sought to determine whether evidence indicates a need to preserve print equivalent journal collections. In addition, this research aimed to provide data on the failure rate of print equivalent materials for possible digitization to
Ken Ladd
doaj   +1 more source

The Generalized Exponential Extended Exponentiated Family of Distributions: Theory, Properties, and Applications

Mathematics, 2022
Here, we propose a new generalized exponential extended exponentiated (NGE3) family of distributions. Some statistical properties of proposed family are gained.
Sajid Hussain, Muhammad Sajid Rashid, Mahmood Ul Hassan, Rashid Ahmed   +3 more
doaj   +1 more source

Failure rate of labor epidural: An observational study among different levels of trainee anesthesiologists in a university hospital of a developing country

Journal of Anaesthesiology Clinical Pharmacology, 2021
Context: Frequent use of labor epidural has also led to a corresponding increase in failed epidural analgesia (FEA). Aims: This study aims to identify the overall rate of FEA and evaluate its association with trainee anesthesiologist at different years ...
Samina Ismail, Amir Raza, Kahif Munshi, Rabia Tabassum   +3 more
doaj   +1 more source

Feasibility study on lengthening the high-voltage cable section and reducing the number of cable joints via alternative bonding methods

High Voltage, 2019
Among all failures in cable circuits, the failure rate of cable joints is much higher than that in cable bodies. In an effort to reduce cable failure rates and improve the reliability of power cable systems, this article studies the possibility of ...
Mingzhen Li, Chengke Zhou, Chengke Zhou, Wenjun Zhou, Wenjun Zhou, Jun Zhang, Liang Zhang, Leiming Yao   +7 more
doaj   +1 more source

Comparing orthodontic bracket bonding methods based on bracket failure rates

Fogorvosi Szemle, 2020
During modern orthodontic treatment brackets are usually placed directly on the tooth enamel. The bond has to withstand a variety of forces (occlusial, masticatory, as well as forces from the wire itself) in the moist oral environment. Additionally, it’s
Eszter Svidró, Dóra Iványi, János Horváth   +2 more
doaj   +1 more source

An Innovative Reliability Oriented Approach for Restructured Power System Considering the Impact of Integrating Electric Vehicles and Renewable Energy Resources

IEEE Access, 2022
Attributing to the irreplaceable quality of nil carbon footprints, the power system considering the integration of electric vehicles and renewable energy resources are appealing growing attention in the recent time, but the reliability of their ...
Iram Akhtar, Mohammed Jameel, Abdullah Altamimi, Sheeraz Kirmani   +3 more
doaj   +1 more source

Aggregate economy risk and company failure: An examination of UK quoted firms [PDF]

, 2006
Considerable attention has been directed in the recent finance and economics literature to issues concerning the effects on company failure risk of changes in the macroeconomic environment.
Hunter, J, Isachenkova, N
core   +1 more source

Selected Aspects of Analyses of Failure Rates of Active Safety Systems in Buses

Communications, 2014
The article outlines the methodology of statistical analysis of failure rate of active safety systems in buses. The theoretical discussion is illustrated with calculations carried out on the basis of empirical data covering a four-year period of ...
Pawel Drozdziel, Leszek Krzywonos, Radovan Madlenak, Iwona Rybicka   +3 more
doaj   +1 more source

A New Family of Extended Lindley Models: Properties, Estimation and Applications

Mathematics, 2020
There are many proposed life models in the literature, based on Lindley distribution. In this paper, a unified approach is used to derive a general form for these life models.
Abdulrahman Abouammoh, Mohamed Kayid
doaj   +1 more source