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  7. 9847

    Organic synthesis : the disconnection approach / by Warren, Stuart G.

    Published 2008
    Table of Contents: “…The disconnection approach -- Basic principles : synthons and reagents synthesis of aromatic compounds -- Strategy I : the order of events -- One-group C-X disconnections -- Strategy II : chemoselectivity -- Two-group C-X disconnections -- Strategy III : reversal of polarity, cyclisations, summary of strategy -- Amine synthesis -- Strategy IV : protecting groups -- One group C-C disconnections I : alcohols -- General strategy A : choosing a disconnection -- Strategy V : stereoselectivity A -- One group C-C disconnections II : carbonyl compounds -- Strategy VI : regioselectivity -- Alkene synthesis -- Strategy VII : use of acetylenes (alkines) -- Two-group C-C disconnections I : Diels-Alder reactions -- Strategy VIII : introduction to carbonyl condensations -- Two-group C-C disconnections II : 1,3-difunctionalised compounds -- Strategy IX : control in carbonyl condensations -- Two-group C-C disconnections : 1,5-difunctionalised compounds -- Strategy X : aliphatic nitro compounds in synthesis -- Two-group disconnections IV : 1,2-difunctionalised compounds -- Strategy XI : radical reactions in synthesis -- Two-group disconnection V : 1,4-difunctionalised compounds -- Strategy XII : reconnection -- Two-group C-C disconnections VI : 1,6-diCarbonyl compounds -- General strategy B : strategy of carbonyl disconnections -- Strategy XIII : introduction to ring synthesis : saturated heterocycles -- Three-membered rings -- Strategy XIV : rearrangements in synthesis -- Four-membered rings : photochemistry in synthesis -- Strategy XV : the use of ketenes in synthesis -- Five-membered rings -- Strategy XVI : pericyclic reactions in synthesis : special methods for five-membered rings -- Six-membered rings -- General strategy C : strategy of ring synthesis -- Strategy XVII : stereoselectivity B -- Aromatic heterocycles -- General strategy D : advanced strategy.…”
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  8. 9848

    De la neuroplasticidad a las propuestas aplicadas: estimulación temprana y su implementación en Costa Rica / From Neuroplasticity to Applied Proposals: Early Stimulation and Its Implementation in Costa Rica by Johanna Sibaja-Molina, Tracy Sánchez-Pacheco, Mijail Rojas-Carvajal, Jaime Fornaguera-Trías

    Published 2016-12-01
    “…En este contexto, se brinda una revisión del tema y se ofrece un marco teórico general sobre los antecedentes y sobre los principios que sustentan la estimulación del sistema nervioso (i.e., plasticidad cerebral). …”
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  9. 9849

    Analisis Sentimen Berbahasa Inggris Dengan Metode Lstm Studi Kasus Berita Online Pariwisata Bali by Ngakan Made Krisna Sedana, I Nyoman Saputra Wahyu Wijaya, I Ketut Resika Arthana

    Published 2024-12-01
    “…Namun, analisis sentimen terhadap berita pariwisata berbahasa Inggris seringkali menghadapi tantangan, terutama karena kompleksitas bahasa dan ketidakseimbangan data sentimen. Penelitian ini bertujuan untuk memperdalam pemahaman mengenai tren dan isu terkini yang berhubungan tentang industri pariwisata Bali melalui analisis sentimen berdasarkan konten berita. …”
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  10. 9850

    Vocabulario, narración y argumentación en los primeros años de la infancia y la niñez. Una revisión de investigaciones / Vocabulary, narration and argumentation during the first ye... by Celia Renata Rosemberg, Alejandra Menti, Alejandra Stein, Florencia Alam, Maia Migdalek

    Published 2016-12-01
    “…Asimismo, se señala la necesidad de atender, desde una perspectiva multimodal, al contexto de interacción social en el que se insertan tempranamente las palabras infantiles cuando los niños comienzan a producir discursos que les permiten realizar su intención comunicativa. …”
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  11. 9851

    Implementasi Simple Reflex Autonomous Smart Mopping The Floor by Asep Kosasih, Faisal Akbar

    Published 2022-12-01
    “…Pengkodean program dilakukan terhadap fungsi persepsi (percepts), fungsi aktuator (actuators), dan fungsi aksi (actions) model robot SRASMF.  Robot SRASMF merupakan model robot cerdas (Intelligent Agent) yang dilengkapi sensor dan actuator yang dapat bekerja sendiri dalam lingkungannya (environment) dengan karakteristik bergerak maju mengepel lantai datar, mundur menghindari rintangan, berputar belok kiri, berputar belok kanan, dan berhenti. …”
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  12. 9852

    ITGA4 as a potential prognostic and immunotherapeutic biomarker in human cancer and its clinical significance in gastric cancer: an integrated analysis and validation by Jiaxing Zhang, Jiaxing Zhang, Gang Wang, Jie Liu, Futian Tang, Song Wang, Yumin Li, Yumin Li

    Published 2025-02-01
    “…ITGA4 played roles in cell adhesion, migration, immune regulation, and pathways like PI3K-Akt and TSC-mTOR. It showed alterations in 22 cancer types, with methylation at 9 sites inhibiting its expression. …”
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  13. 9853

    Caracterización acústica de fincas bajo pago por servicios ambientales en la Reserva Forestal Golfo Dulce, Costa Rica by Jimmy Barrantes-Madrigal, Mónica Retamosa, Ricardo Bedoya-Arrieta, Adriana Valerio-Madrigal, Jonathan Sánchez-Alpízar

    Published 2024-02-01
    “…[Objetivo]: Analizar el uso del monitoreo acústico para la evaluación de ecosistemas en 11 sitios en la Península de Osa: 9 en fincas privadas y 2 sitios dentro del Parque Nacional Corcovado. …”
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  14. 9854

    Séptimo Congreso Colombiano De Atención Farmacéutica – Encuentro Iberoamericano De Farmacia Hospitalaria Conductual: “Servicios Profesionales Farmacéuticos y Satisfacción de Necesi... by Pedro Amariles Muñoz

    Published 2023-11-01
    “…En definitiva, acorde con la esencia de la AF, las ediciones de este evento se han direccionado a fortalecer la práctica farmacéutica de actividades orientada al paciente, así como a evidenciar la contribución del farmacéutico a la salud individual y colectiva. …”
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  15. 9855

    Heavy metal contamination in freshwater habitats impairs the growth and reproductive health of wild spotted snakehead Channa punctata (Channidae) in Bangladesh by Imran Parvez, Sharmin Ahmed, Nazifa Tasnim, Rubaiya Pervin, Md Ashraful Alam, Md Nasir Khan, Yeasmin Ara, Harunur Rashid, Siriporn Pradit

    Published 2025-02-01
    “…This study evaluated the hypothesis of whether heavy metal contamination in aquatic habitats impacts fish growth and reproduction using wild Channa punctata as an experimental animal. …”
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  16. 9856

    Model Evaluasi Usability Menggunakan Confirmatory Factor Analysis pada KRS Online by Endah Ratna Arumi, Pristi Sukmasetya, Agus Setiawan

    Published 2021-02-01
    “…Evaluasi usability juga dilakukan untuk mendapatkan nilai seberapa tingkat kebergunaan dari antarmuka KRS Online ini. Hasil eksperimen menunjukkan model kedua adalah model yang valid dengan loading factor dari usability ke Kemampuan Belajar 1.00, Usability ke Daya Ingat sebesar 1.00, Usability ke Efisiensi sebesar 0.86, Usability ke Kesalahan sebesar 0.73, dan Usability ke Kepuasan sebesar 0.73. …”
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  17. 9857

    Pengamanan Pesan E-Complaint Fasilitas dan Kinerja Civitas Akademika Menggunakan Algoritma RSA by Dwi Yuny Sylfania, Fransiskus Panca Juniawan, Laurentinus Laurentinus, Hengki Hengki

    Published 2022-12-01
    “…This study proposes the application of cryptography, which converts messages into code, so the actual message is not known. The use of cryptographic techniques with the RSA algorithm is used as a solution to prevent message leakage. …”
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