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96 resultados encontrados.

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Density functional theory study of the oxidation reaction in the gas and aqueous phase of allyl methyl disulfide with hydroxyl radical
Artículo
Acceso abierto Artículo CONICET Digital
Diaz, Mario Guillermo et al · Springer/Plenum Publishers · 2019 · ISSN 1040-0400
An in silico analysis of the oxidation mechanism of allyl methyl disulfide (AMDS) by hydroxyl radical was achieved at DFT level using B3LYP, CAM-B3LYP, M06-2X, and BMK functionals and 6-311++G(3df,2p) triple-zeta basis s...
Idioma eng
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Open Access
Density-dependent morphological plasticity and trade-offs among vegetative traits in Eichhornia crassipes (Pontederiaceae)
Artículo
Acceso abierto Artículo DOAJ
Eleonora Alvarenga Andrade et al · Instituto Nacional de Pesquisas da Amazônia · 2013 · ISSN 0044-5967
Density-dependent responses are an important component of the organism life-history, and the resource allocation theory is a central concept to the life-history theory. When resource allocation varies due to environmenta...
LCC LCC:Science (General)Idioma eng
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Open Access
Affective Assessment of High and Low-Density Residential and Functional Environments
Artículo
Material complementario disponible Artículo DOAJ
Rafael Tomás et al · Servicio de Publicaciones de la Universidad de Murcia · ISSN 0212-9728
This paper contrasts high and low-density residential and functional environments through an assessment of the pleasure and arousal said environments elicit. The relationships between these affective dimensions and a mea...
LCC TENDOlBzeWNob2xvZ3k~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Anomalous optical gradient force induced by polarization-tuned antisymmetry in energy density gradient
Artículo
Acceso abierto Artículo DOAJ
Feng Lv et al · Wiley · 2025 · ISSN 2192-8614
The spatial inhomogeneity of electromagnetic energy density in an optical field typically gives rise to conservative gradient forces, which serve as the fundamental mechanism for trapping nanoparticles in optical tweezer...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Bone Mineral Density and Osteoporosis in Hyponatremic Versus Normonatremic Patients: A Retrospective 12-Month Analysis
Artículo
Acceso abierto Artículo DOAJ
Mümtaz TAKIR et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440
OBJECTIVE: To evaluate the change in osteoporosis rate and bone mineral density (BMD) in a cohort hyponatremic versus normonatremic patients under 12-month osteoporosis treatment. MATERIAL and METHODS: A total of 280 ...
LCC LCC:Internal medicine; TENDOlBlZGlhdHJpY3M~Idioma eng
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Open Access
CHA-collagen implantation to increase alveolar bone density
Artículo
Material complementario disponible Artículo DOAJ
Dody Setiawan et al · faculty of dentistry universitas gadjah mada · 2021 · ISSN 2460-0164
Tooth extraction is the common procedure in dentistry. This procedure causes a wound in teeth socket. Thus, the socket had to be secured to prevent over resorption of alveolar bone. This study used the third molar as a m...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Cement mantle thickness in total knee arthroplasty more closely associated with tibial bone density than cement viscosity: findings from a randomized controlled trial
Artículo
Material complementario disponible Artículo DOAJ
Yoshinori Mikashima et al · The British Editorial Society of Bone & Joint Surgery · 2026 · ISSN 2633-1462
Aims: The aims were to assess the influence of tibial bone mineral density (BMD) and cement viscosity on cement mantle thickness in total knee arthroplasty (TKA), and to determine whether BMD is a more dominant factor th...
LCC TENDOk9ydGhvcGVkaWMgc3VyZ2VyeQ~~Idioma eng
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Comparison of matrix metalloproteinase-13 and tissue inhibitor of metalloproteinase-1 levels and alveolar bone density in chronic periodontitis before and after scaling and root planning
Artículo
Acceso abierto Artículo DOAJ
Aini Hariyani Nasution et al · faculty of dentistry universitas gadjah mada · 2022 · ISSN 2460-0164
Periodontitis is typically associated with disorders characterized by compromised tooth-supporting tissue. Damage to periodontal tissue is caused by an imbalance between matrix metalloproteinases and their inhibitors. De...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Open Access
Differentiation of Microvessel Density Based on The Breast Cancer Patient Characteristics Including Age, Stage, Tumor Size, and Lymph Node MetastasisDifferentiation of Microvessel Density Based on The Breast Cancer Patient Characteristics Including Age, Stage, Tumor Size, and Lymph Node Metastasis
Artículo
Acceso abierto Artículo DOAJ
Tasya Salsabila et al · Dharmais Cancer Hospital - National Cancer Center · 2024 · ISSN 1978-3744
Background: Breast cancer is the most common malignant tumor in the world and Indonesia. One well-known prognostic marker is microvessel density (MVD), the numerical value of angiogenesis. In recent years, it has been re...
LCC TENDOk5lb3BsYXNtcy4gVHVtb3JzLiBPbmNvbG9neS4gSW5jbHVkaW5nIGNhbmNlciBhbmQgY2FyY2lub2dlbnM~Idioma eng
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Open Access
Do changes in skull size of South American sea lions reflect changes in population density?
Artículo
Acceso abierto Artículo CONICET Digital
Sosa Drouville, Ailin et al · Wiley Blackwell Publishing, Inc · 2021 · ISSN 0824-0469
Populations of the South American sea lion (SASL, Otaria byronia) have been intensely exploited for leather and oil in different parts of its distribution range throughout the 19th and 20th centuries, generating large ch...
Idioma eng
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Open Access
Effect of Relative Density Variation on The Effectiveness of Fly Ash in Stabilization of Sandy Soils for Liquefaction Mitigation
Artículo
Material complementario disponible Artículo DOAJ
Yunan Yakuta Wangsawitana et al · Universitas Gadjah Mada · 2026 · ISSN 2581-1037
Indonesia is highly vulnerable to earthquakes that can trigger soil liquefaction, particularly in coastal regions where saturated sandy soils with low relative densities are prevalent. This study investigated the influen...
LCC LCC:Engineering (General). Civil engineering (General)Idioma eng
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Material complementario
Effectiveness of MIST with hydroxyapatite and β-tricalcium phosphate in alveolar bone density and osteocalcin level improvement during treatment of infrabony pockets
Artículo
Material complementario disponible Artículo DOAJ
Aulida Arum Mubarokah et al · faculty of dentistry universitas gadjah mada · 2022 · ISSN 2460-0164
The minimally invasive surgical technique (MIST) is a method for periodontal regenerative treatment by minimizing trauma so it can preserve vascular supply of the interdental papillae. This study aims to determine the ef...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Material complementario
Effects of planting density and row spacing configuration on dry matter accumulation and distribution, nutrient content, and yield in cotton
Artículo
Acceso abierto Artículo DOAJ
Ziwei Bai et al · Frontiers Media S.A · 2026 · ISSN 1664-462X
BackgroundDry matter accumulation and distribution constitute the essential material basis for crop yield formation, directly impacting both yield and quality development. Nonetheless, the effects of planting density on ...
LCC TENDOlBsYW50IGN1bHR1cmU~Idioma eng
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Open Access
Effects of stocking density and artificial substrates on yield and water quality in a biofloc shrimp nursery culture
Artículo
Acceso abierto Artículo DOAJ
Esmeralda Chamorro Legarda et al · Sociedade Brasileira de Zootecnia · 2018 · ISSN 1806-9290
ABSTRACT The objective of this study was to evaluate the effect of different stocking densities and the presence/absence of two artificial substrates on water quality and production rates of marine shrimp in a biofloc sh...
LCC LCC:Animal cultureIdioma eng
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Open Access
Hydrophilization of magnetic nanoparticles with an amphiphilic polymer revisited: Roles of nanoparticle capping density and polymer structure
Artículo
Acceso abierto Artículo CONICET Digital
Lavorato, Gabriel Carlos et al · Elsevier Science · 2021 · ISSN 0169-4332
Amphiphilic comb polymers, like poly(maleic anhydride-alt-1-octadecene) (PMAO), are frequently used to transfer hydrophobic magnetic nanoparticles (NPs) into aqueous media. While it is accepted that the hydrophilization ...
Idioma eng
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Open Access
Immune cells and high-density lipoprotein cholesterol derivative markers mediate the impact of hypertriglyceridemia on hyperuricemia in diabetes mellitus
Artículo
Acceso abierto Artículo DOAJ
Wei Wang et al · Frontiers Media S.A · 2026 · ISSN 1664-3224
BackgroundAs markers of inflammation and oxidative stress, immune cells and high-density lipoprotein cholesterol (HDL-c) derivative markers, such as the monocyte to HDL-c ratio (MHR) and lymphocyte to HDL-c ratio (LHR), ...
LCC LCC:Immunologic diseases. AllergyIdioma eng
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Open Access
Improvement of revised density method for stability analysis of rigid-pile composite foundation under flexible loads
Artículo
Acceso abierto Artículo DOAJ
LIU Ji-fu 1, ZHENG Gang 2, GONG Xiao-nan 3, XIE Yong-li 4, CHEN Chang-fu 5 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The revised density method is improved based on analysis of interactions between ground soil, fill and piles in flow sliding. The density of fill outside the center of sliding surface needn’t be revised. The density of...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Open Access
Influência da irrigação, da densidade de plantio e da adubação nitrogenada nas características morfogênicas, estruturais e de produção do capim-tanzânia Morphogenesis and structural characteristics and production of guinea grass irrigated under different plants density and nitrogen doses
Artículo
Acceso abierto Artículo DOAJ
Marcela de Azevedo Magalhães et al · Sociedade Brasileira de Zootecnia · 2011 · ISSN 1516-3598
O experimento foi conduzido com os objetivos de avaliar a altura do dossel com 95% de interceptação luminosa e quantificar a influência da adubação nitrogenada e da densidade de plantas nas características morfogê...
LCC LCC:Animal cultureIdioma eng
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Open Access
Positive Effect of Yerba Mate (Ilex paraguariensis) Consumption on Bone Mineral Density in Postmenopausal Women Assessed by Dual Energy X-Ray Absorptiometry-Based 3-Dimensional Modeling
Artículo
Acceso abierto Artículo CONICET Digital
Brun, Lucas Ricardo Martín et al · The Korean Society for Bone and Mineral Research · 2025 · ISSN 2287-6375
Background: Yerba mate (YM) drinking is associated with higher lumbar spine and femoral neck bone mineral density (BMD) in postmenopausal women. We analyzed its effect on total hip BMD and reported the contribution of th...
Idioma eng
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Open Access
Relationship Between Circadian Rhythm of Blood Pressure and Bone Mineral Density in Postmenopausal Women
Artículo
Acceso abierto Artículo DOAJ
Faruk TURGUT et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440
OBJECTIVE: The prevalence of atherosclerosis and osteoporosis increase with age. An association has been demonstrated between cardiovascular diseases and low bone mineral density. We aimed to investigate the association ...
LCC LCC:Internal medicine; TENDOlBlZGlhdHJpY3M~Idioma eng
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Open Access
Relationship between bone mineral density changes with denosumab treatment and risk reduction for vertebral and nonvertebral fractures
Artículo
Acceso abierto Artículo CONICET Digital
Austin, Matthew et al · American Society for Bone and Mineral Research · 2012 · ISSN 0884-0431
Dual-energy X-ray absorptiometric bone mineral density (DXA BMD) is a strong predictor of fracture risk in untreated patients. However, previous patient-level studies suggest that BMD changes explain little of the fractu...
Idioma eng
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Open Access
Security and Development of High-Density Computing Power in China in the Era of Large Language Models
Artículo
Acceso abierto Artículo DOAJ
Zhihong Wang et al · 《中国工程科学》杂志社 · 2026 · ISSN 1009-1742
In recent years, generative artificial intelligence represented by large language models (LLMs) and multimodal large language models (MLLMs) has achieved remarkable progress. These ultra-large-scale and complex models im...
LCC LCC:Engineering (General). Civil engineering (General)Idioma zho
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Open Access
The Effect of Temperature Variation on the Liquefaction of High-Density Polyethylene Plastic Waste
Artículo
Material complementario disponible Artículo DOAJ
Oki Alfernando et al · Lembaga Penelitian dan Pengabdian kepada Masyarakat · 2024 · ISSN 0216-9495
This study aims to determine the comparison of oil yields obtained from processing HDPE plastic waste by comparing quantitatively and qualitatively the fuel oil produced. The processing of plastic waste into oil by pyrol...
LCC TENDOlRlY2hub2xvZ3k~Idioma eng
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Transfer learning-enabled density prediction model for energetic molecule screening
Artículo
Acceso abierto Artículo DOAJ
Ying-jie He et al · KeAi Communications Co. Ltd · 2026 · ISSN 2666-6472
Identifying candidates with high crystal density using Quantitative Structure-Performance Relationship (QSPR) models is a primary task in screening energetic molecules. However, due to the scarcity of high-density traini...
LCC TENDOkNoZW1pY2FsIHRlY2hub2xvZ3k~Idioma eng
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Open Access