Results 191 to 200 of about 1,328,097 (351)

Are 19 Developed Countries' Real Per Capita GDP levels Non-stationary? A Revisit [PDF]

open access: yes
By using an extended dataset for 19 developed countries, this study employs a recent unit root test to re-examine the issue of the non-stationarity of real per capita GDP.
Shyh-Wei Chen
core  

Knockout of the mitoribosome rescue factors Ict1 or Mtrfr is viable in zebrafish but not mice: compensatory mechanisms underlying each factor's loss

open access: yesFEBS Open Bio, EarlyView.
Mitochondria contain two mitoribosome rescue factors, ICT1 and MTRFR (C12orf65). ICT1 also functions as a mitoribosomal protein in mice and humans, and its loss is lethal. Although Mtrfr knockout mice could not be generated, knockout zebrafish lines for ict1 and mtrfr were established.
Nobukazu Nameki   +11 more
wiley   +1 more source

Adaptive Unit Root Inference in Autoregressions using the Lasso Solution Path [PDF]

open access: yesarXiv
We show that the activation knot of a potentially non-stationary regressor on the adaptive Lasso solution path in autoregressions can be leveraged for selection-free inference about a unit root. The resulting test has asymptotic power against local alternatives in $1/T$ neighbourhoods, unlike post-selection inference methods based on consistent model ...
arxiv  

Aging‐Driven Blood–Brain Barrier Dysfunction and Its Impact on CNS Cancer Susceptibility: A Comprehensive Narrative Review

open access: yesAging and Cancer, EarlyView.
Aging weakens the blood–brain barrier (BBB), increasing susceptibility to CNS cancers and complicating treatment. This review examines BBB deterioration, its impact on drug delivery, and potential interventions like targeting neuroinflammation and advanced therapies.
Quang La, Aiman Baloch, David F. Lo
wiley   +1 more source

A Nonlinear Approach to Tunisian Inflation Rate

open access: yesRomanian Economic Journal, 2016
In this study, we investigated the properties and the macroeconomic performance of the nonlinearity of the Inflation Rate Set in Tunisia. We developed an inference asymptotic theory for an unrestricted two-regime threshold autoregressive (TAR) model with
Thouraya Boujelbène Dammak   +1 more
doaj  

Body contour adaptation for weight‐loss and bolus for head and neck radiotherapy on Ethos version 2.0 and HyperSight: Synthetic CT versus direct calculation

open access: yesJournal of Applied Clinical Medical Physics, Volume 26, Issue 4, April 2025.
Abstract Purpose In radiotherapy, body contour inaccuracies may compromise the delineation of adjacent structures and affect calculated dose. Here, we evaluate the un‐editable body contours auto‐generated by Ethos versions 1.0 (v1) and 2.0 (v2) treatment planning softwares for two simulated cases: weight‐loss and bolus application, particularly ...
Abby Yashayaeva   +2 more
wiley   +1 more source

Are the Transition Stock Markets Efficient? Evidence from Non-Linear Unit Root Tests [PDF]

open access: yes
In this paper we address efficiency of eight transition stock markets, namely, Bulgarian, Chinese, Czech, Hungarian, Polish, Romanian, Russian and Slovakian stock markets by testing whether the price series of these markets contain unit root.
Mubariz Hasanov, Tolga Omay
core  

Routine machine quality assurance tests for a self‐shielded gyroscopic radiosurgery system

open access: yesJournal of Applied Clinical Medical Physics, Volume 26, Issue 4, April 2025.
Abstract Purpose This report describes routine machine quality assurance (QA) (daily, monthly, and annual QA) tests for the Zap‐X® Gyroscopic Radiosurgery® platform. Methods Following the recommendations of the American Association of Physicists in Medicine Task Group (AAPM TG)‐142 and Medical Physics Practice guideline (MPPG) 8.b, routine machine QA ...
Yongsook C. Lee   +6 more
wiley   +1 more source

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