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Mostrando 521 - 540 Resultados de 13,004 Para Buscar '"The Crown"', tiempo de consulta: 0.23s Limitar resultados
  1. 521
    “…Cs(+) ions can be released from the crown-ether-like pores by the addition of aqueous chlorine as an oxidizing reagent. …”
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    A redox-active inorganic crown ether based on a polyoxometalate capsule
  2. 522
    “…OBJECTIVES: We aimed to elucidate the relationship between ROS and protein acetylation by exploring a rice mutant plant that displays a decreased level of ROS in postembryonic crown root (CR) cells and severe defects in CR development. …”
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    ROS-stimulated protein lysine acetylation is required for crown root development in rice
  3. 523
    “…Herein, the electron-only devices were prepared by spin-coating and introducing the organic molecule dibenzo-18-crown-6 (DC) to CsPbI(2)Br perovskite precursor solution. …”
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    Role of Dibenzo Crown Additive for Improving the Stability of Inorganic Perovskite Solar Cells
  4. 524
    “…Phytophthora cactorum has two distinct pathotypes that cause crown rot and leather rot in strawberry (Fragaria × ananassa). …”
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    Genome analysis of Phytophthora cactorum strains associated with crown- and leather-rot in strawberry
  5. 525
    por Alshammari, Abdulrahman K
    Publicado 2023
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    Necrotic Pulp With Crown Discoloration Associated With Orthodontic Treatment: A Case Report
  6. 526
    “…In this study, four different luting cements were compared to evaluate their efficacy on the retention of cement-based metal crowns to implant abutments. Materials and methods In the right and left first molar regions, four implant analogs (Internal Hex, Adin Dental Implant Systems Ltd., Tel-Aviv, Israel) were screwed into epoxy resin casts (Araldite CY 230-1 IN, India) that were positioned perpendicular to the cast's plane. …”
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    An Evaluation of the Effectiveness of Various Luting Cements on the Retention of Implant-Supported Metal Crowns
  7. 527
    “…AIM: The study aimed to assess and compare the crazing of preformed stainless steel (SS) crowns at various autoclave cycles. MATERIALS AND METHODS: Around 15 SS crowns were subjected to zero (unsterilized), one, three, five, and seven autoclave cycles at 121°C, 15 psi for 20 minutes. …”
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    Comparative Evaluation of Preformed Stainless Steel Crown's Crazing at Different Autoclave Cycles
  8. 528
    “…CONCLUSION: The binding strength of orthodontic brackets is increased by sandblasting temporary crowns.…”
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    Bond Strength of Orthodontic Brackets to Temporary Crowns: In vitro Effects of Surface Treatment
  9. 529
    “…(1) Purpose: The aim of the present study was to compare the bond strength between two 3D-printed resins designed for long-term provisional crowns and three different reline materials. (2) Materials and Methods: Rectangular specimens were prepared from two 3D-printed resins (Envision Tech and NextDent C&B) and a conventional self-cure PMMA. …”
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    Bond Strength of Reline Materials to 3D-Printed Provisional Crown Resins
  10. 530
    “…The crown bridge loop is hexapeptide motif in which the backbone carbonyl group at position 1 is hydrogen bonded to the backbone imino groups of positions 4 and 6. …”
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    The conserved crown bridge loop at the catalytic centre of enzymes of the haloacid dehalogenase superfamily
  11. 531
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    Author reply to “How to distinguish crowned dens syndrome from acute meningitis?”
  12. 532
    “…Some resin polymers available for three-dimensional (3D) printing are slightly elastic, which may be advantageous when used for full crown coverage of the primary teeth. This study was performed to evaluate the mechanical properties of two types of 3D-printed resin crowns in terms of strength and surface characteristics. …”
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    Strength and Surface Characteristics of 3D-Printed Resin Crowns for the Primary Molars
  13. 533
    por Alghazzawi, Tariq F.
    Publicado 2023
    “…It is not clear, however, if flexural strength data are predictive of the clinical performance of dental crowns. The objectives of this study were, therefore, to determine whether flexural strengths, as measured via three-point bending (3PB), would be predictive of failure loads assessed via crunch-the-crown (CTC) tests. …”
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    Relation of Crown Failure Load to Flexural Strength for Three Contemporary Dental Polymers
  14. 534
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    The Sword and the Crown: Echocardiography for the Detection of a Rare Combination of Congenital Heart Disease
  15. 535
    “…Two methods for varnish removal have been developed, including the treatment of either lipase or RbOH / PEG-400 crown ether which allow aged oil varnishes or paint coverings to be removed or thinned. …”
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    Alkali-Ion-Crown Ether in Art and Conservation: The Applied Bioinorganic Chemistry Approach
  16. 536
    por Park, Jun-Beom
    Publicado 2010
    “…This clinical case describes a treatment approach that combines, in a single appointment, a crown lengthening procedure and the final crown preparation for the restoration of a severely decayed tooth. …”
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    Restoration of the Severely Decayed Tooth Using Crown Lengthening with Simultaneous Tooth-Preparation
  17. 537
    “…METHODS: Fifteen dentists (9 males, 6 females) formed a study group and 10 master dies in premolar shape and Turcom Cera all-ceramic crowns were prepared to measure the maximum finger pressure applied by dentists during cementation. …”
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    Effects of Finger Pressure Applied By Dentists during Cementation of All-Ceramic Crowns
  18. 538
    “…In the crown ether ring of the title compound, C(20)H(24)O(6)·2C(6)H(3)N(3)O(7)·3H(2)O, the O—C(H(2))—C(H(2))—O torsion angles indicate a gauche conformation of the ethyl­eneoxy units, while the C—O—C—C torsion angles indicate planarity of these segments; the dihedral angle between the two benzene rings is 44.53 (13)°. …”
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    Dibenzo-18-crown-6–picric acid–water (1/2/3)
  19. 539
    por Ge, Jia-Zhen, Zhao, Min-Min
    Publicado 2010
    “…In the title compound, C(7)H(10)N(+)·BF(4) (−)·C(12)H(24)O(6), the proton­ated 4-methyl­anilinium cation inter­acts with 18-crown-6 forming a rotator–stator structure, (C(6)H(4)CH(3)NH(3) (+))(18-crown-6), through three bifurcated N—H⋯(O,O) hydrogen bonds between the ammonium groups of the cations (–NH(3)) and the O atoms of the crown ether mol­ecule. …”
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    4-Methyl­anilinium tetra­fluoro­borate 18-crown-6 clathrate
  20. 540
    por Ge, Jia-Zhen, Zhao, Min-Min
    Publicado 2010
    “…The reaction of 4-fluoro­aniline hydro­chloride, 18-crown-6 and ferric chloride in methano­lic solution yields the title compound, (C(6)H(7)FN)[FeCl(4)]·C(12)H(24)O(6), which has an unusual supramolecular structure. …”
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    4-Fluoro­anilinium tetra­chloridoferrate(III) 18-crown-6 clathrate
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