Results 121 to 130 of about 14,474 (287)

Ion Chemistry in Dielectric Barrier Discharge Ionization: Recent Advances in Direct Gas Phase Analyses

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT Dielectric barrier discharge ionization (DBDI) sources, employing low‐temperature plasma, have emerged as sensitive and efficient ionization tools with various atmospheric pressure ionization processes. In this review, we summarize a historical overview of the development of DBDI, highlighting key principles of gas‐phase ion chemistry and the ...
Kseniya Dryahina   +4 more
wiley   +1 more source

A Task-driven Grammar Refactoring Algorithm

open access: yesActa Polytechnica, 2012
This paper presents our proposal and the implementation of an algorithm for automated refactoring of context-free grammars. Rather than operating under some domain-specific task, in our approach refactoring is perfomed on the basis of a refactoring task ...
Ivan Halupka   +2 more
doaj  

On the size of unambigous context-free grammars

open access: yesTheoretical Computer Science, 1986
AbstractIt is shown that every unambiguous CFG with p productions has size at least 2p−1.
openaire   +2 more sources

EFNB3 Frameshift Variant in Weimaraner Dogs with a Condition Resembling a Congenital Mirror Movement Disorder

open access: yesMovement Disorders, EarlyView.
ABSTRACT Background Congenital mirror movement disorders (CMMs) are clinically and genetically heterogeneous in human patients. CMMs have not been documented to occur spontaneously in animals. Objective The objective of this work was to document the first case of CMMs spontaneously occurring in Weimaraner dogs and to identify the underlying genetic ...
Cleo Schwarz   +11 more
wiley   +1 more source

A Brief Writing Intervention Assists Athletes to Cope With Performance Failures

open access: yesPsyCh Journal, EarlyView.
ABSTRACT Significant performance failures by athletes can have detrimental psychological effects, potentially leading to maladaptive coping mechanisms, performance anxiety, and psychological distress. The current study investigated if a brief writing intervention could combat the negative impact of recalled performance failures in a sample of ...
David L. Neumann, Mikayla McInnes
wiley   +1 more source

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