X Ray ...................................... 378
Absorption ............................. 378 / 51
Circuits ............................... 378 / 91
Computerized tomography ................ 378 / 4
Contrast compositions (in vivo) ........ 424 / 9.4+
Diffraction ............................ 378 / 70
Equipment .............................. D24 / 158+
Exposure process ....................... 430 / 967*
Film ................................... 430 / 966*
With cassette ...................... 378 / 182
Filters ................................ 378 / 156
Fluorescence ........................... 378 / 44
Fluoroscope ............................ 378 / 190
Lithography ............................ 378 / 34
Photographic ........................... 378 / 167
Scattering ............................. 378 / 86
Screen
Bucky grid ......................... 378 / 154
Fluorescent or phosphorescent ...... 250 / 483.1
Tube with secondary ray ............ 378 / 140
Shield ................................. 252 / 478
Shields and shielding .................. 250 / 515.1
Compositions ....................... 252 / 478
Shoe fitting machine ................... 378 / 192
Therapy ................................ 378 / 65
Timer .................................. 378 / 96
Treating ............................... 378 / 64
Tube ................................... 378 / 121
Tubes .................................. 378 / 121
Used in reaction to prepare ............ 204 / 157.15+
Inorganic or organic material .......... 204 / 157.15+
Used in reaction to prepare or ......... 522 / 1+
Treat synthetic resin or ............... 522 / 1+
Manufacture ........................ 445 / 28
X-Type Package ............................. 206 / 809*
Xanthate
Cellulose fiber treatment .............. 8 / 122
Esters ................................. 558 / 245+
Cellulose .......................... 536 / 60+
Froth flotation ........................ 209 / 166+
Compositions ....................... 252 / 61
Xanthenes .................................. 549 / 388+
Xanthines .................................. 544 / 267+
Xanthogenation (See Xanthate)
Xanthones .................................. 446 / 372
Xanthosine (Xanthine Riboside) ............. 536 / 27.8
Xenol ...................................... 568 / 747
Xenon ...................................... 423 / 262
Xerography(See Photography, Electric) ..... 430 / 31+
Dispensing digest ...................... 222 / DIG 1
Printing data in digital computers ..... 430 / 31+
Xeroradiography ............................ 378 / 28
Xylene
Alkylation to produce .................. 585 / 446+
Dealkylation ........................... 585 / 483+
Xylenol .................................... 568 / 716+
Xylidine ................................... 564 / 305+
Xylophone .................................. 84 / 404
Design ................................. D17 / 23
Toy (design) ........................... D21 / 410