(redirected from Barrier penetration)
Also found in: Encyclopedia.
Related to Barrier penetration: Quantum tunneling


In quantum mechanics, the passing of a particle through a seemingly impenetrable barrier without a cause that is explainable by classical physics.


(ˈtʌn l ɪŋ)
a quantum-mechanical process, forbidden in classical mechanics, in which an atomic particle passes through a region where its potential energy is higher than its total energy. Also, esp. Brit.,tun′nel•ling. Also called tun′nel effect`.


Illegally diverting company funds or lucrative contracts to a company insider or majority shareholder thereby lessening the value of the holdings of minor shareholders.
References in periodicals archive ?
CRB-4001 was specifically designed to eliminate blood-brain barrier penetration and brain CB1 receptor occupancy that mediate the neuropsychiatric issues associated with first-generation CB1 inverse agonists such as rimonabant.
After extensive testing Topper now personally carries Lehigh Extreme Defender, designed in accordance with FBI ammo protocols including barrier penetration. When hiking or hunting, he loads up with Lehigh Extreme Penetrator--with up to 30" penetration, it isn't suitable for street or home defense, but is effective against large, four-legged predators.
Plus, this expansion also improves prediction tools that require logP--logD, oral bioavailability, blood-brain barrier penetration, and more.
Gastrointestinal absorption (38% of articles) was the most frequently modeled endpoint in this group, followed by skin penetration (25%), blood-brain barrier penetration (20%), and protein binding (12%).
"The ZRA-002 was designed to solve the problem of millimeter wave barrier penetration and simplify the installation process such that any homeowner could self-install the equipment," said Jim Kappes, Director of Product Marketing, MaxLinear Broadband Group.
Mid-weight 124-grain +P JHPs at or around 1,250 fps became the preferred choice of many LE agencies in this country for their combination of barrier penetration and expansion.
Designed to meet the needs of those who demand superior barrier penetration and who prefer a full-size handgun for their personal protection, Critical Duty is loaded with Hornady's tough FlexLock bullet that delivers "barrier blind" performance when shot through common urban barriers.
Blood Brain Barrier Penetration of 14C Darolutamide Compared with 14C Enzalutamide in Rats Using Whole Body Autoadiography
Further, as a small molecule with high target tissue and blood-brain barrier penetration, resveratrol can find utility as monotherapy or as an adjunct to biological treatment or other approaches that may not address all patient needs.
The exfoliation yielded by salicylic add also enhances skin barrier penetration by ingredients applied after its use and is well tolerated by individuals with oily skin.
In that case, barrier penetration will be down on my list, and mild recoil will be an asset.
Caption: Barrier penetration is one of the rationales behind the HoneyBadger's unconventional design.