Mostrando 2,361 - 2,380 Resultados de 6,537 Para Buscar 'Simtek~', tiempo de consulta: 3.68s Limitar resultados
  1. 2361
    por Frisby, David
    Publicado 1992
    Materias:
    Libro
  2. 2362
  3. 2363
    “…Similarities emerged in individual-level risk behaviors and some dynamics of risk at the drug use site most frequented to use drugs. In addition, analyses testing associations across samples indicated that different contextual factors such as characteristics of the drug use sites influenced syringe sharing. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  4. 2364
  5. 2365
  6. 2366
    “…From a ceramic processing point of view, high density single phase KNN and BTNN ceramics are very difficult to sinter due to the volatility of the alkaline elements, the narrow sintering temperature range and the anomalous grain growth. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  7. 2367
    “…All the samples can be well densified at sintering temperature about ~720 °C. Dense and homogeneous microstructure with grain size lying between 2~8 μm can be observed from scanning electron microscopy (SEM). …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  8. 2368
    por Dai, Chuanyin, Hao, Yan, He, Yong, Lei, Fumin
    Publicado 2017
    “…RESULTS: ND2 haplotypes actually diverged into two groups within subspecies A. c. talifuenses; however, they formed a non-sister relationship when including all available GenBank ND2 sequences. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  9. 2369
    “…The molecular data of the mitochondrial cytochrome oxidase subunit I gene shows that both are sister taxa and the divergence time is estimated at 2.2 million years ago, around the beginning of the Pleistocene. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  10. 2370
  11. 2371
    “…It is found that the sintering temperatures are lowered efficiently from 1600 °C to 1350 °C, as 1 wt % CuO, 1 wt % B(2)O(3), and 0.5 wt % CuO +0.5 wt % B(2)O(3) are used as the sintering aids due to the appearance of the liquid phase sintering. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  12. 2372
    “…This paper reports the improvement of microstructural and hardness properties of 3 mol% yttria-stabilized zirconia (3Y-TZP) ceramics with nano TiO(2) powders (with 0, 0.9, 1.8, and 2.7 wt%) added using a low-temperature microwave-assisted sintering of 1250 °C. Even at such a low sintering temperature, all sintered samples had the main phase of tetragonal zirconia (t-ZrO(2)) without the appearance of the secondary monoclinic phase or TiO(2) phase, and had high relative densities, larger than 95%. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  13. 2373
    “…The taxonomic status of the European Hoplodrina octogenaria (Goeze, 1781) is discussed and its partly sympatric sister species, Hoplodrina alsinides (Costantini, 1922) sp. rev., is separated and re-described based on morphological and molecular taxonomic evidence. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  14. 2374
    por Siwak, Piotr
    Publicado 2021
    “…The focus of this paper is on examining the mechanical behavior of spark plasma sintered WC-Co based composites doped with Cr(3)C(2), TaC-NbC, TiC, and VC, as well as defining some parameters characterizing deformation and fracture processes during hardness measurement. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  15. 2375
  16. 2376
    por Chiu, Chun, Chang, Hsun-Hsiang
    Publicado 2021
    “…In this study, AZ91 magnesium-alloy-based metal matrix composites (MMCs) reinforced with 10 wt% of Al(0.5)CoCrFeNi(2) high-entropy alloy (HEA) particles and SiC particles were prepared by a spark plasma sintering (SPS) process at 300 °C. The effects of reinforcements on the microstructure and mechanical properties of AZ91-based MMCs were studied. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
  17. 2377
  18. 2378
  19. 2379
  20. 2380
Herramientas de búsqueda: RSS