XOR at a Single Vertex -- Artificial Dendrites
XOR gate response in a mesoscopic ring with embedded quantum dots
XOR logic gate on electron spin qubits in quadruple coupled quantum dots
XOR-Ising Loops and the Gaussian Free Field
XORSAT: An Efficient Algorithm for the DIMACS 32-bit Parity Problem
XPath Whole Query Optimization
XPath-Logic and XPathLog: A Logic-Programming Style XML Data Manipulation Language
XPC -- A Novel Platform for Suborbital Research
xPED: The Exploration Portable Electrostatic Detector
xPerm: fast index canonicalization for tensor computer algebra
xPert: Computer algebra for metric perturbation theory
XPOL - the correlation polarimeter at the IRAM 30m telescope
XPOL: a photoelectric polarimeter onboard XEUS
XPS and AES studies of Hg(II) sorption and desorption reactions on sulphide minerals
XPS and NMR as Complementary Probes of Pseudogaps and Spin-charge Separation
XPS and STEM Studies of Allende Acid Residues
XPS as a Probe of Gap Opening in Many Electron Systems
XPS at mineral-water interface: New perspectives
XPS evidence for molecular charge-transfer doping of graphene
XPS Evidence for SiC on the Surface of LUNA-16 Regolith Particles