يعرض 141 - 160 نتائج من 1,753 نتيجة بحث عن '(( five ((steps decrease) OR (nn decrease)) ) OR ( a ((largest decrease) OR (larger decrease)) ))', وقت الاستعلام: 0.44s تنقيح النتائج
  1. 141
  2. 142
  3. 143
  4. 144
  5. 145
  6. 146
  7. 147
  8. 148

    One-Step Synthesis of a Novel Intrinsically Flame-Retardant Thermoplastic Polyamide 6 Elastomer: Structure, Properties, and Spinnability حسب Haoyi Hu (18980061)

    منشور في 2024
    "…The resultant PA6PTMG-4CEPPA and PA6PTMG-6CEPPA could obtain limiting oxygen index (LOI) values of approximately 25.0 and 28.4%, respectively, both meeting V-0 rating in UL-94 tests. The flame-retardant mechanism can be ascribed to involve char layer formation in the condensed phase and free-radical quenching in the gas phase. …"
  9. 149
  10. 150
  11. 151
  12. 152
  13. 153

    Summary statistics of key variables. حسب Saul Estrin (8629173)

    منشور في 2024
    "…We find that in developing countries, as urban economic density increases, innovation first increases and then begins to decrease beyond a certain point, with the decline being most prominent in the largest cities. …"
  14. 154
  15. 155
  16. 156
  17. 157
  18. 158
  19. 159
  20. 160