Mostrando 1 - 20 Resultados de 117 Para Buscar '" metal"', tiempo de consulta: 0.13s Limitar resultados
  1. 1
    “…The “coordination-insertion” ring-opening polymerization (ROP) mechanism has so far been the monopoly of metal catalysts. In this work, we present a metal-free “coordination-insertion” ROP of trimethylene carbonate (TMC) and ε-caprolactone (ε-CL), as well as their sequential block copolymerization, with N-trimethylsilyl-bis (trifluoromethanesulfonyl)imide (TMSNTf(2)) as the non-metallic initiator/catalyst. …”
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    Non-metal with metal behavior: metal-free coordination-insertion ring-opening polymerization
  2. 2
    “…The staggering accumulation of end-of-life lithium-ion batteries (LIBs) and the growing scarcity of battery metal sources have triggered an urgent call for an effective recycling strategy. …”
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    Battery metal recycling by flash Joule heating
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    “…The application of pressure reduces interatomic distances and profoundly modifies electronic orbitals and bonding patterns. Finally, a new metallic ordered phase of perovskite CsPbI(3) is obtained at 39.3 GPa. …”
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    Metallization: New Metallic Ordered Phase of Perovskite CsPbI(3) under Pressure (Adv. Sci. 14/2019)
  4. 4
    “…Specifically, the hazard ratios (HRs) per doubling of metal concentrations were 1.16 (95% CI: 1.11, 1.20) for lead and 1.31 (95% CI: 1.26, 1.36) for cadmium. …”
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    Exposure to Heavy Metals, Obesity, and Stroke Mortality in the United States
  5. 5
    “…Metal or metal-ion-based batteries represent the mainstream battery technology, in which metal ions either participate in the electrode redox reaction or act as the charge carrier in the electrolyte. …”
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    A Metal-free Battery with Pure Ionic Liquid Electrolyte
  6. 6
    “…The bulk UFG/nanocrystalline metal with nanoparticles also reveals an unprecedented thermal stability. …”
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    Bulk ultrafine grained/nanocrystalline metals via slow cooling
  7. 7
    “…A solid oxide fuel cell (SOFC) is a clean, efficient energy conversion device with wide fuel applicability. Metal-supported solid oxide fuel cells (MS-SOFCs) exhibit better thermal shock resistance, better machinability, and faster startup than traditional SOFCs, making them more suitable for commercial applications, especially in mobile transportation. …”
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    Failure Mechanism and Optimization of Metal-Supported Solid Oxide Fuel Cells
  8. 8
    “…Amorphous Si (a-Si) films with metal silicide are expected to enhance the absorption ability of pure a-Si films. …”
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    Absorption Amelioration of Amorphous Si Film by Introducing Metal Silicide Nanoparticles
  9. 9
    “…Addition of all linear, squared, and pairwise interaction terms of blood metals to the Cox's models improved C‐statistic from 0.845 to 0.857. …”
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    Does Information on Blood Heavy Metals Improve Cardiovascular Mortality Prediction?
  10. 10
    “…Essential metals including iron (Fe) and manganese (Mn) with known physiological functions in human body play an important role in cell homeostasis. …”
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    "Metal elements and pesticides as risk factors for Parkinson's disease - A review"
  11. 11
    “…Ionic transport regulation techniques could also play a crucial role in developing high-performance alkali metal batteries such as alkali metal-sulfur and alkali metal-selenium batteries, which suffer from the non-uniform transport of alkali metal ions (e.g., Li(+) or Na(+)) and detrimental shuttling effect of polysulfide/polyselenide anions. …”
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    Atomic-scale regulation of anionic and cationic migration in alkali metal batteries
  12. 12
    “…Metal ions are involved in the conformational transition of silk fibroin and influence the structure and mechanical properties of silk fibers. …”
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    Dynamic Changes and Characterization of the Metal Ions in the Silk Glands and Silk Fibers of Silkworm
  13. 13
    por Liu, Ying, Liu, Xiaoheng, Wang, Xin
    Publicado 2010
    “…Interaction between noble-metal nanoparticles and polypeptide has been investigated by TEM, UV–visible, fluorescence spectroscopy, and HNMR. …”
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    Biomimetic Synthesis of Gelatin Polypeptide-Assisted Noble-Metal Nanoparticles and Their Interaction Study
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    Molecular engineering of metal coordination interactions for strong, tough, and fast-recovery hydrogels
  15. 15
    “…Herein, an ultra-simple strategy based on the surface-enhanced Raman scattering (SERS) technique for sweat analysis is established. Metal–phenolic network (MPN), an outstanding organic-inorganic hybrid material, is adopted as the reductant and platform for the in situ formation of Au-MPN, which displays excellent SERS activity with the limit of detection to 10(−15) M for 4-mercaptobenzoic acid (4-MBA). …”
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    Fast Synthesis of Au Nanoparticles on Metal–Phenolic Network for Sweat SERS Analysis
  16. 16
    “…Here, a phosphorylated Zn-based metal–organic framework (ZIF-8-P) is employed as an effective flame retardant and antistatic agent to reduce the fire risk of PMMA. …”
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    Phosphorylated Metal–Organic Framework for Reducing Fire Hazards of Poly(Methyl Methacrylate)
  17. 17
    “…Spurred on by recent advances in materials chemistry and drug delivery, a new stimuli-responsive theranostic hybrid platform, based on mechanized monodisperse nano metal–organic frameworks (NMOFs) gated by carboxylatopillar[5]arene (CP5) switches with bio-friendly pH-triggered cargo release capabilities, has been constructed for the first time. …”
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    Stimuli-responsive metal–organic frameworks gated by pillar[5]arene supramolecular switches
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    Selectively nitrogen-doped carbon materials as superior metal-free catalysts for oxygen reduction
  19. 19
    “…Pressure‐induced electronic structure transition from insulating phase to metal state is a potential new paradigm for halide perovskites. …”
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    New Metallic Ordered Phase of Perovskite CsPbI(3) under Pressure
  20. 20
    “…Lithium anode‐based batteries (LBs) are highly demanded in society owing to the high theoretical capacity and low reduction potential of metallic lithium. They are expected to see increasing deployment in performance critical areas including electric vehicles, grid storage, space, and sea vehicle operations. …”
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    Electrolyte Design for Lithium Metal Anode‐Based Batteries Toward Extreme Temperature Application
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