ScienceJohn Michels (Journalist) 1959 |
Результаты поиска по книге
Результаты 1 – 3 из 79
Стр. 544
... Carbon Dioxide Advantage was taken of the availabil- ity of stratospheric air collected in this program to measure the concentration of carbon dioxide at high altitudes . A series of special small samples for this purpose were taken ...
... Carbon Dioxide Advantage was taken of the availabil- ity of stratospheric air collected in this program to measure the concentration of carbon dioxide at high altitudes . A series of special small samples for this purpose were taken ...
Стр. 545
... carbon dioxide was separated in the field with a freeze - out trap . A carbon half - life of 5600 years and a concen- tration of carbon dioxide of 311 ppm were used to calculate the values given in column 5. After correction for ...
... carbon dioxide was separated in the field with a freeze - out trap . A carbon half - life of 5600 years and a concen- tration of carbon dioxide of 311 ppm were used to calculate the values given in column 5. After correction for ...
Стр. 550
... carbon - 14 ; heavy lines indicate the position of the tropopause . T I EXCESS CARBON -14 ATOMS PER 10-5 GRAMS OF. A final observation from Fig . 3 is the higher average values at Minneapolis and San Angelo than at the Canal Zone at ...
... carbon - 14 ; heavy lines indicate the position of the tropopause . T I EXCESS CARBON -14 ATOMS PER 10-5 GRAMS OF. A final observation from Fig . 3 is the higher average values at Minneapolis and San Angelo than at the Canal Zone at ...
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
AAAS activity Albian American amino acids angiosperms animals Association atmosphere Atomic Energy behavior biological Calif carbon cells chemical chemistry Chicago Choice Hotel chromosomes cloth mother CO₂ colchicine College complete concentration Cretaceous culture Department deposits Dept disease effect ence engineering experimental experiments field galvanic skin response glutamic acid glutamine growth imprinting indicate industrial infants Institute instrument International July Laboratory larvae mathematics measurements Medical ment method MINA REES National Natl nuclear observed oöcytes optical organic patient percent period photosynthesis physics plants present problem production professor radiation radioactive range References and Notes response royal jelly Russian samples Science scientific scientists sex chromatin Soviet space species stratosphere strontium-90 symp Table temperature tion tional tissue tive transliteration tritium troposphere tumors United Univ University volume Washington wire mother York