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  1. 3921
    “…The mode-locked laser was generated after the SA was integrated into the erbium-doped fiber laser (EDFL) cavity at a threshold pump power of 192.1 mW giving a center wavelength of 1559 nm and a pulse duration of 770 fs. …”
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    Generation of mode-locked pulses based on D-shaped fiber with CdTe as a saturable absorber in the C-band region
  2. 3922
    “…The results indicate that the ASC with K(4)Fe(CN)(6) exhibits an ultrahigh specific capacitance of 192.1 F g(−1) and an energy density of 67.0 W h kg(−1), which is nearly a threefold increase over the ASC with pristine electrolyte.…”
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    Improved performance of a CoTe//AC asymmetric supercapacitor using a redox additive aqueous electrolyte
  3. 3923
    “…Data were drawn from the Newcastle 85+ Study (741), a cohort of people who were born in 1921 and turned 85 in 2006. Survival analysis was performed using Cox proportional hazards models with time‐varying covariates, wherein polypharmacy was operationalised continuously. …”
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    Is polypharmacy associated with mortality in the very old: Findings from the Newcastle 85+ Study
  4. 3924
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    Laparoscopic Management of Cesarean Scar Pregnancy after Medical Treatment Failure Using Laparoscopic Bulldog Clamps
  5. 3925
    por Guillemet, I., Jackson, B.
    Publicado 2022
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    Experiential Family Intervention for Children and Youth
  6. 3926
    “…CONCLUSION: This study identifies new genetic mutation in CNC（PDE11A: NM_016953: exon11: c1921A>G (p./p.Lys641Glu). CNC patients presenting with subclinical Cushing's syndrome should be treated.…”
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    Carney complex presenting as subclinical Cushing syndrome in a child due to a novel Phosphodiesterase 11A mutation
  7. 3927
    “…On the morning of December 31, 1921, one of the most singular and innovative aesthetic proposals of modern art began with the appearance in the streets of Mexico City of the flyer Actual no. 1, a stridentist tablet signed by Manuel Maples Arce. …”
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    Estridentópolis y la vanguardia
  8. 3928
    “…Participants were categorized by birth period (defined by historically meaningful events) into 5 cohorts: pre–World War I (1893-1913), World War I and Spanish influenza (1914-1920), pre–Great Depression (1921-1928), Great Depression (1929-1939), and World War II and postwar (1940-1949). …”
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    Association of Demographic and Early-Life Socioeconomic Factors by Birth Cohort With Dementia Incidence Among US Adults Born Between 1893 and 1949
  9. 3929
    “…We test this bAge predictor in four external cohorts (LBC1921, LBC1936, the Framingham Heart Study and the Women’s Health Initiative study). …”
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    Refining epigenetic prediction of chronological and biological age
  10. 3930
    por Dodge, Charles, 1942-
    Publicado 1992
    CD Audiom
    Any resemblance is purely coincidental
  11. 3931
    Publicado 1871
    Revista
    Diario oficial de la Federación : órgano del Gobierno Constitucional de los Estados Unidos Mexicanos.
  12. 3932
    por Peterson, Oscar, 1925-
    Publicado 1993
    CD Audiom
    History of an artist
  13. 3933
    Publicado 2008
    Tabla de Contenidos: “…La Iglesia católica y la educación del niño (siglos XVII-XVIII) / María Concepción Lugo Olín -- Los calendarios de las niñas y de los niños (siglo XIX) / Laura Herrera Serna -- Los niños de la beneficencia pública en la Ciudad de México (1910-1920) / David Guerrero Flores -- El discurso de la infancia en la revista El hogar (1913-1921) / Martha Eva Rocha -- Adolescente homicida : un caso para la psiquiatría criminal / María Eugenia Sánchez Calleja -- Autoridad, autoridad y siempre autoridad-- : consejos para educar al niño / Delia Salazar Anaya -- Comino : prensa metodista dirigida a los niños (1935-1944) / María Eugenia Fuentes Bazán -- El abandono en la infancia en Los olvidados / Paulina Michel -- El ángel caído : la invención de la adolescencia en el cine clásico mexicano (1954-1962) / Julia Tuñón -- De la fábrica a la escuela : los niños de la Fama Montañesa (1940-1960) / Mario Camarena Ocampo.…”
    Libro
    Niños y adolescentes : normas y transgresiones en México, siglos XVII-XX /
  14. 3934
    Publicado 2010
    Tabla de Contenidos: “…La figura de Agustín de Iturbide en los centenarios de La Independencia (1910-1921) / Virginia Guedea -- Arte nacionalista e indigenismo en México en el siglo XX. …”
    Libro
    México y España : huellas contemporáneas : resimbolización, imaginarios, iconoclastia /
  15. 3935
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    Conformal Complementarity Maps
  16. 3936
    por Bruzzaniti, Giuseppe
    Publicado 2016
    “…Enrico Fermi: The Obedient Genius attempts to shed light on all aspects of Fermi’s life - his work, motivation, influences, achievements, and personal thoughts - beginning with the publication of his first paper in 1921 through his death in 1954. During this time, Fermi demonstrated that he was indeed following in the footsteps of Galileo, excelling in his work both theoretically and experimentally by deepening our understanding of the Pauli exclusion principle, winning the Nobel Prize for his discovery of the fundamental properties of slow neutrons, developing the theory of beta decay, building the first nuclear reactor, and playing a central role in the development of the atomic bomb. …”
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    Enrico Fermi: the obedient genius
  17. 3937
    por Gutfreund, Hanoch, Renn, Jürgen
    Publicado 2017
    “…First published in 1922 and based on lectures delivered in May 1921, Albert Einstein's The Meaning of Relativity offered an overview and explanation of the then new and controversial theory of relativity. …”
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    The formative years of relativity: the history and meaning of Einstein's Princeton lectures : featuring Einstein's classic text The meaning of relativity in its historical context
  18. 3938
    “…Hydrogel beads prepared by 2% sodium alginate successfully encapsulated the amygdalin, and its encapsulation efficiency and drug loading rate reached 85.93% and 19.21%, respectively. The thermal stability of amygdalin encapsulated in hydrogel beads was significantly improved and reached a slow-release effect in in vitro digestion. …”
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    Isomerization and Stabilization of Amygdalin from Peach Kernels
  19. 3939
    “…They inhibited the growth of Ca Ski cervical cancer cells with IC(50) of 19.21 μM (MAA) and 33.33 μM (MAX). MRC5 normal cell line was used to calculate selectivity index. …”
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    Bioassay-Guided Isolation of Cytotoxic Cycloartane Triterpenoid Glycosides from the Traditionally Used Medicinal Plant Leea indica
  20. 3940
    “…It was originally described by James Ewing in 1921 as arising from undifferentiated osseous mesenchymal cells; however, recent studies suggest that Ewing's tumor might be neuroectodermally derived from various degrees of differentiation of the primitive neural tissues. …”
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    Ewing's sarcoma of the mandible
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