Results 61 to 70 of about 24,909,033 (334)

Results of tests of ballastless track designs on the Test Loop of JSC “VNIIZhT”

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2017
In December 2016 at the Test Loop of JSC “VNI-IZhT” comparative testing of four types of ballastless track designs (BVSP) - LVT (RZDstroy, Russia), FFB (MaxBögl, Germany), NBT (Alstom, France), EBS (Tines, Poland) - have been completed.
A. V. Savin   +4 more
doaj   +1 more source

On likelihood ratio tests

open access: yes, 2006
Likelihood ratio tests are intuitively appealing. Nevertheless, a number of examples are known in which they perform very poorly. The present paper discusses a large class of situations in which this is the case, and analyzes just how intuition misleads ...
Lehmann, Erich L.
core   +2 more sources

Distribution-free tests of fractional cointegration [PDF]

open access: yes, 2008
We propose tests of the null of spurious relationship against the alternative of fractional cointegration among the components of a vector of fractionally integrated time series.
Hualde, Javier, Velasco, Carlos
core   +4 more sources

Lifestyle Behaviors and Cardiotoxic Treatment Risks in Adult Childhood Cancer Survivors

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Higher doses of anthracyclines and heart‐relevant radiotherapy increase cardiovascular disease (CVD) risk. This study assessed CVD and CVD risk factors among adult childhood cancer survivors (CCSs) across cardiotoxic treatment risk groups and examined associations between lifestyle behaviors and treatment risks.
Ruijie Li   +6 more
wiley   +1 more source

Studies of the constructed rail seat supports

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2017
In recent decades, the use of constructed sleepers on the world's railways has been increasing: the United States, the EU countries, Japan and China. Such sleepers, having positive performance qualities of wooden sleepers (good elasticity and dielectric ...
M. Yu. Khvostik, M. A. Starodubtseva
doaj   +1 more source

Design and Tests of a Controllable Inerter With Fluid-Air Mixture Condition

open access: yesIEEE Access, 2020
To realize the control of the inerter and establish a more realistic model of the controllable inerter, this paper designs a controllable inerter and analyzes its nonlinear factors.
Changning Liu   +4 more
doaj   +1 more source

Descriptive Statistics and Normality Tests for Statistical Data

open access: yesAnnals of Cardiac Anaesthesia, 2019
Descriptive statistics are an important part of biomedical research which is used to describe the basic features of the data in the study. They provide simple summaries about the sample and the measures.
Prabhaker Mishra   +5 more
semanticscholar   +1 more source

Cerebrospinal Fluid Liquid Biopsy Enables Targeted Therapy Without Tissue Diagnosis in Pediatric Low‐Grade Gliomas With BRAF V600E Mutation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT We present two pediatric cases of pediatric low‐grade gliomas (PLGG) with BRAF V600E mutations diagnosed and monitored using cerebrospinal fluid (CSF) liquid biopsy analyzed via digital droplet PCR (ddPCR), without tissue biopsy. Both patients were treated with dabrafenib and trametinib and monitored through clinical assessments, magnetic ...
Hannah Sultan   +5 more
wiley   +1 more source

Declarative memory profiles in children with non-specific intellectual disability: a cluster analysis approach

open access: yesFrontiers in Psychiatry
IntroductionIntellectual disability (ID) is increasingly being understood as a multidimensional condition that requires assessment beyond general intelligence.
Urszula Sajewicz-Radtke   +4 more
doaj   +1 more source

Arkansas Soybean Performance Tests 2008 [PDF]

open access: yes, 2009
Soybean cultivar performance tests are conducted each year in Arkansas by the University of Arkansas Division of Agriculture. The tests provide information to companies developing cultivars and/or marketing seed within the state, and aid the Arkansas ...
Bond, R. D.   +3 more
core   +1 more source

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