(+)Passive hydrogen maser

(H) hydrogen

100% hydrogen

10-membered ring hydrogen bond

13-membered ring hydrogen bond

1-butyl-3-methylimidazolium hydrogen sulfate

1S-2S transition hydrogen spectroscopy

2-aminoethyl hydrogen sulfate

2-oxygen-5-methyl-3-hydrogen-1

2-ureido-4[1H]-pyrimidinone quadruple hydrogen bonds

30% Hydrogen peroxide

5%~7% sodium hydrogen carbonate

5-membered ring hydrogen bond

7-membered ring hydrogen bond

A Hydrogen

A2B7 based hydrogen storage alloy

A2B7 type hydrogen storage alloy

A2B7-type hydrogen storage alloy

A2B7-type hydrogen storage electrode alloys

AB 5 hydrogen storage alloy