つ, in hiragana, or ツ in katakana, and the variant form ?, is one of the Japanese kana, each of which represents one mora. Both are phonemically although for phonological reasons, the actual pronunciation is .

Observation of Esaki-Tsu negative differential velocity in GaAs/AlAs superlattices.
Efficacy and safety of cholesterol-lowering treatment - Reply
Advances in the science and technology of carbon nanotubes and their composites: a review
Repeated temperature modulation epitaxy for p-type doping and light-emitting diode based on ZnO
Superlattice and Negative Differential Conductivity in Semiconductors
Julius S, Kjeldsen SE, Weber M, Brunner HR, Ekman S, Hansson L et al. Outcomes in hypertensive patients at high cardiovascular risk ...
Identification of mutations in the coding sequence of the proto-oncogene c-kit in a human mast cell leukemia cell line causing ligan...
Tunneling in a finite superlattice
Shared and Unique Functions of the DExD/H-Box Helicases RIG-I, MDA5, and LGP2 in Antiviral Innate Immunity
SARA, a FYVE domain protein that recruits Smad2 to the TGFbeta receptor.