Knowledge (XXG)

Per cent mille

Source πŸ“

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SCALE: A Comprehensive Modelling and Simulation Suite for Nuclear Safety Analysis and Design. Available from Radiation Safety Information Computational Center at Oak Ridge National Laboratory as CCC-785. Oak Ridge, TN: Oak Ridge National Laboratory, June, 2001. Version 6.1.
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sites because reactivity values tend to be small, so measuring in pcm allows reactivity to be expressed using whole numbers.
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is one one-thousandth of a percent. It can be thought of as a "milli-percent". It is commonly used in
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In nuclear reactor engineering, a per cent mille is equal to one-thousandth of a percent of the
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Visualisation of 1%, 1‰, 1β€±, 1 pcm and 1 ppm as fractions of the large block
260: 248: 279: 92:. Reactivity is a dimensionless unit representing a departure from 345:"GHO | by category | Homicide - Estimates by country" 89: 574: 521: 460: 152:{\displaystyle \rho =(k_{\text{eff}}-1)/k_{\text{eff}}} 179: 105: 269:including parts-per million, parts-per billion etc 212: 170:for the reaction. Therefore, one pcm is equal to: 151: 213:{\displaystyle 1~{\text{pcm}}=\rho \cdot 10^{5}} 223:This unit is commonly used in the operation of 594: 541: 480: 8: 601: 587: 548: 534: 487: 473: 411:"percent mille – pcm – unit of reactivity" 204: 186: 178: 143: 134: 119: 104: 18: 312: 569:This engineering-related article is a 50:engineering as a unit of reactivity. 7: 559: 557: 498: 496: 437: 435: 88:, denoted by Greek lowercase letter 257:(bp) difference of 1 part in 10,000 73:in a population are often given in 573:. You can help Knowledge (XXG) by 520:. You can help Knowledge (XXG) by 459:. You can help Knowledge (XXG) by 14: 630:Nuclear and atomic physics stubs 561: 500: 439: 625:Standards and measurement stubs 168:effective multiplication factor 131: 112: 1: 282:(another unit of reactivity) 239:difference of 1 part in 100 16:One-thousandth of a percent 651: 556: 495: 434: 360:"Reactivity measurements" 516:–related article is a 455:-related article is a 365:. University of Ljublj 301:Percent point function 214: 153: 31: 215: 154: 22: 620:Units of measurement 333:. 28 September 2018. 263:(β€±) 1 part in 10,000 177: 103: 75:"per 100 000". 286:Dollar (reactivity) 251:(‰) 1 part in 1,000 225:light-water reactor 291:Parts-per notation 267:Parts-per notation 210: 149: 80:Nuclear Reactivity 71:disease prevalence 32: 635:Engineering stubs 582: 581: 529: 528: 468: 467: 415:nuclear-power.net 390:nuclear-power.net 245:(%) 1 part in 100 189: 185: 146: 122: 96:, calculated by: 642: 603: 596: 589: 565: 558: 550: 543: 536: 504: 497: 489: 482: 475: 443: 436: 426: 425: 423: 421: 407: 401: 400: 398: 396: 382: 376: 374: 372: 370: 364: 355: 349: 348: 341: 335: 334: 327: 321: 317: 237:Percentage point 219: 217: 216: 211: 209: 208: 190: 187: 183: 158: 156: 155: 150: 148: 147: 144: 138: 124: 123: 120: 76: 30: 29: 27:(larger version) 650: 649: 645: 644: 643: 641: 640: 639: 610: 609: 608: 607: 555: 554: 510:nuclear physics 494: 493: 432: 430: 429: 419: 417: 409: 408: 404: 394: 392: 384: 383: 379: 368: 366: 362: 357: 356: 352: 343: 342: 338: 329: 328: 324: 320:ORNL/TM-2005/39 318: 314: 309: 296:Per-unit system 276: 233: 200: 175: 174: 165: 139: 115: 101: 100: 82: 74: 56: 48:nuclear reactor 25: 24: 17: 12: 11: 5: 648: 646: 638: 637: 632: 627: 622: 612: 611: 606: 605: 598: 591: 583: 580: 579: 566: 553: 552: 545: 538: 530: 527: 526: 514:atomic physics 505: 492: 491: 484: 477: 469: 466: 465: 444: 428: 427: 402: 377: 358:Merljak, Vid. 350: 336: 322: 311: 310: 308: 305: 304: 303: 298: 293: 288: 283: 275: 272: 271: 270: 264: 258: 252: 246: 240: 232: 229: 221: 220: 207: 203: 199: 196: 193: 182: 163: 160: 159: 142: 137: 133: 130: 127: 118: 114: 111: 108: 81: 78: 55: 52: 36:per cent mille 15: 13: 10: 9: 6: 4: 3: 2: 647: 636: 633: 631: 628: 626: 623: 621: 618: 617: 615: 604: 599: 597: 592: 590: 585: 584: 578: 576: 572: 567: 564: 560: 551: 546: 544: 539: 537: 532: 531: 525: 523: 519: 515: 511: 506: 503: 499: 490: 485: 483: 478: 476: 471: 470: 464: 462: 458: 454: 450: 445: 442: 438: 433: 420:September 17, 416: 412: 406: 403: 395:September 17, 391: 387: 381: 378: 369:September 17, 361: 354: 351: 346: 340: 337: 332: 326: 323: 316: 313: 306: 302: 299: 297: 294: 292: 289: 287: 284: 281: 278: 277: 273: 268: 265: 262: 259: 256: 253: 250: 247: 244: 241: 238: 235: 234: 231:Related units 230: 228: 226: 205: 201: 197: 194: 191: 180: 173: 172: 171: 169: 140: 135: 128: 125: 116: 109: 106: 99: 98: 97: 95: 91: 87: 79: 77: 72: 68: 64: 60: 53: 51: 49: 45: 41: 37: 28: 21: 575:expanding it 568: 522:expanding it 507: 461:expanding it 446: 431: 418:. Retrieved 414: 405: 393:. Retrieved 389: 386:"Reactivity" 380: 367:. Retrieved 353: 339: 325: 315: 222: 166:denotes the 161: 83: 57: 54:Epidemiology 44:epidemiology 39: 35: 33: 453:measurement 255:Basis point 94:criticality 63:crime rates 614:Categories 243:Percentage 86:reactivity 59:Statistics 449:standards 261:Permyriad 249:Per mille 198:⋅ 195:ρ 126:− 107:ρ 67:mortality 46:, and in 274:See also 162:where k 280:InHour 184:  508:This 451:- or 447:This 363:(PDF) 307:Notes 571:stub 518:stub 457:stub 422:2017 397:2017 371:2017 69:and 512:or 375:ana 188:pcm 164:eff 145:eff 121:eff 90:rho 61:of 40:pcm 38:or 616:: 413:. 388:. 202:10 65:, 34:A 602:e 595:t 588:v 577:. 549:e 542:t 535:v 524:. 488:e 481:t 474:v 463:. 424:. 399:. 373:. 347:. 206:5 192:= 181:1 141:k 136:/ 132:) 129:1 117:k 113:( 110:=

Index


(larger version)
epidemiology
nuclear reactor
Statistics
crime rates
mortality
disease prevalence
reactivity
rho
criticality
effective multiplication factor
light-water reactor
Percentage point
Percentage
Per mille
Basis point
Permyriad
Parts-per notation
InHour
Dollar (reactivity)
Parts-per notation
Per-unit system
Percent point function
"Number of Infections and Incidence* per 100,000 Persons | FoodNet | CDC"
"GHO | by category | Homicide - Estimates by country"
"Reactivity measurements"
"Reactivity"
"percent mille – pcm – unit of reactivity"
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