In fact,there is some endogenous hydrogen produced by intestinal bacteria within animal and human.The concentration of hydrogen in some mice tissues reached the antioxidant effect in their paper demonstrates,so we think that hydrogen should be an endogenous antioxidant in the body.关键词:...
Exposure of certain human tissues to H 2O 2 may be greater than is commonly supposed: substantial amounts of H 2O 2 can be present in beverages commonly drunk (especially instant coffee), in freshly voided human urine, and in exhaled air. Levels of H 2O 2 in the human body may be ...
The second is a strong three-body interaction by the projectile with both the electron and the target ion when the projectile passes between the electron and its parent nucleus. These two mechanisms result in binary peak electrons located near the momentum transfer vectorwith active participation by...
In proteins, hydrogen bonding is an electrostatic interaction between the amide dipoles that comprise main chain structure of proteins. Chemical groups in the proteins that most commonly serve as hydrogen bond donors are N−H, O−H and less frequently S−H and C−H. It is natural to ...
1.(Elements & Compounds) an ionized hydrogen atom, occurring in plasmas and in aqueous solutions of acids, in which it is solvated by one or more water molecules; proton. Formula: H+ 2.(Elements & Compounds) an ionized hydrogen molecule; hydrogen molecular ion. Formula: H2+ ...
PROBLEM TO BE SOLVED: To provide a hydrogen-permeable object which has a Pd alloy film containing at least one rare earth element and used as a film selectively permeable to hydrogen, ensures the adhesion of the film to a porous supporter, and does not undergo a deterioration in hydrogen ...
Many-Body effects and resonances in universal quantum sticking of cold atoms to surfaces The role of shape resonances and many‐body effects on universal quantum sticking of ultracold atoms onto solid surfaces is examined analytically and compu... ER Bittner,JC Light - 《Journal of Chemical Physics...
9.4 Water as a Result of a Chemical Reaction Within the Package The direct reaction between gaseous hydrogen and oxygen is theoretically possible as indicated in the following chemical reaction. 2H2+O2=2H2O The free energy of this equation is highly negative (−54 K calories), so that the ...
In subject area: Engineering Isotope Hydrology addresses the application of the measurements of isotopes that form water molecules: the oxygen isotopes (oxygen-16, oxygen-17, and oxygen-18) and the hydrogen isotopes (protium, deuterium, and tritium). From: Isotope Tracers in Catchment Hydrology, ...
1.To clear or strip of scale or scales:Scale and clean the fish. 2.To remove in layers or scales:scaled off the old paint. 3.To cover with scales; encrust. 4.To throw or propel (a thin flat object) through the air or along a surface, such as water or ice. ...