Results 121 to 130 of about 14,474 (287)
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
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
Complexity of Context-free Grammars with Exceptions and the inadequacy of grammars as models for XML and SGML [PDF]
Roméo Rizzi
openalex +1 more source
On the size of unambigous context-free grammars
AbstractIt is shown that every unambiguous CFG with p productions has size at least 2p−1.
openaire +2 more sources
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
Angle and Context Free Grammar Based Precarious Node Detection and Secure Data Transmission in MANETs. [PDF]
Veerasamy A+3 more
europepmc +1 more source
A Brief Writing Intervention Assists Athletes to Cope With Performance Failures
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
Asymptotic distribution of motifs in a stochastic context-free grammar model of RNA folding. [PDF]
Poznanović S, Heitsch CE.
europepmc +1 more source
Non-context-free grammars generating context-free languages
Brenda S. Baker
openalex +1 more source