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17941
Some Bond Incident Degree Indices of Cactus Graphs
Published 2022-01-01“…This study involves extremal results of cactus graphs concerning the following type of the BID indices: IfiG=∑uv∈EGfidGu/dGu+fidGv/dGv, where i∈1,2, f1 is a strictly convex function, and f2 is a strictly concave function. More precisely, graphs attaining the minimum and maximum Ifi values are studied in the class of all cactus graphs with a given number of vertices and cycles. …”
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17942
Optimization and Analysis of Double-circular-arc Harmonic Gear based on Genetic Algorithm
Published 2021-07-01“…Through analyze the single parameter sensitivity of the optimized parameters, it is found that the objective function has a low sensitivity to the arc radius of convex and concave tooth, and the tooth thickness ratio. Therefore, to control the manufacturing accuracy of the flexspline and increase the "dual conjugate" interval, one of the useful way is that relax the size error of low sensitivity parameters and control the size error of high sensitivity parameters appropriately.…”
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17943
MATERNIDADE E TRABALHO NA ESCRAVIDÃO - BRASIL, SÉCULO XIX
Published 2025-01-01“…Destaque primordial é dado ao corpo da escravizada e sua capacidade reprodutiva, centrais para a própria instituição da escravidão, haja vista o duplo papel desempenhado por ela dentro do sistema, que era tanto produtora quanto reprodutora de trabalho e riquezas.…”
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17944
Arte Urbana e suas repercussões territoriais
Published 2024-05-01“…A partir dos resgates teóricos e das formulações conceituais, propõe-se uma estrutura analítica de obras de Arte Urbana, constituída de quatro critérios centrais: Legalidade, Poluição visual, Escala e Interferência; para cada um deles, busca-se compreender como se comporta a criação artística sob análise. …”
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17945
UAV Path Planning Based on Improved A∗ and DWA Algorithms
Published 2021-01-01“…The algorithm first preprocesses the map for irregular obstacles encountered by a UAV in flight, including grid preprocessing for arc-shaped obstacles and convex preprocessing for concave obstacles. Further, the standard A∗ algorithm is improved based on UAV’s flight environment information and motion constraints. …”
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17946
Mode selection and resource optimization for UAV-assisted cellular networks
Published 2024-03-01“…The resource allocation and optimization scheme was studied in a coexistence scenario of unmanned aerial vehicle (UAV) and cellular communication network.To improve spectrum efficiency of the system, UAV users could reuse the cellular spectrum resources to access the network through full duplex or half duplex device-to-device technique.Additionally, a joint access control, mode selection, power control and resource allocation optimization problem was formulated to maximize the overall throughput of the network while ensuring quality of service requirements for both UAV users and ground cellular users.Specifically, the phase 1 method in the convex optimization was adopted for access control and feasibility check, and then the convex and concave procedure (CCCP) iterative algorithm was used to solve the power control problem for feasible UAV user pairs.By using this local optimum value, the original optimization problem can be simplified into a weighted maximization problem.Finally, the Kuhn-Munkres (KM) algorithm was used to match the optimal channel resources and obtain the global optimal throughput value of the system.Numerical results show that the proposed scheme can significantly improve the performance of system.…”
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17947
Experimental Study on the Tensile Properties of Rock-Mortar Interface under Different Strain Rates
Published 2018-01-01“…The tensile strength increases with strain rate, the crack width decreases at the same time, and the axial-stress-crack-width curves gradually evolve from a concave-downward trend to a linear decreasing trend. …”
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17948
Upsilococconeis dapalistriata gen. nov. & comb. nov. (Bacillariophyta) – a pantropical marine member of Cocconeidaceae
Published 2022-03-01“…Furthermore, the areolae of the sternum valve (SV) in C. dapalistriata are occluded by a concave velum with no apparent internal slits, and externally ornamented with irregular silica crystals. …”
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17949
Öğretmenlerin Ölçme-Değerlendirme Uygulamaları ve Yeterlik Düzeyleri: İlk ve Ortaöğretim
Published 2004-10-01“…İlköğretim öğretmenleri en sık çoktan seçmeli maddeleri kullanırken ortaöğretim öğretmenleri yazılı yoklamaları tercih etmişlerdir…”
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17950
Left Ventricle Outflow Obstruction by Reverse-Oriented Tricuspid Semilunar Valve-Like Endocardial Duplicatures
Published 2018-01-01“…In the left ventricle outflow channel, 15 mm below the aortic valve on the muscular wall, there were three white 1–1.5 mm thick membranous semilunar valve-like structures with the sizes of 9, 7, and 5 mm, with concavities opened into the left ventricle, reducing the outflow area by 21.5%. …”
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17951
Kinds of Participation to Short Leisure Time Activities of Athletes fromTurkish Weightlifting Championship
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17952
Inhibition of RAC1 activator DOCK2 ameliorates cholestatic liver injury via regulating macrophage polarisation and hepatic stellate cell activation
Published 2025-02-01“…DOCK2 knockdown was achieved by tail vein injection of adenovirus containing DOCK2-targeting shRNA. The effect of DOCK2 knockdown on cholestatic liver injury was evaluated at different time points after BDL. …”
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17953
Role of Cannabis in the Management of Chronic Non-Cancer Pain: A Narrative Review
Published 2025-01-01“…Its management is complex. Cannabis, containing the key compounds Delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD), has garnered interest for its potential in pain management, though it remains controversial due to its psychoactive effects and illegal status in many countries. …”
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17954
In Silico Screening of Putative Corynebacterium pseudotuberculosis Antigens and Serological Diagnosis for Caseous Lymphadenitis in Sheep by Enzyme-Linked Immunosorbent Assay
Published 2021-01-01“…For this purpose, six protein sequences of ascorbate transporter subunit, UPF protein, MMPL family transporter, Ribonuclease, Iron ABC transporter domain-containing permease, and fimbrial subunit were obtained. …”
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17955
Transcriptome-wide dynamics of m6A methylation in ISKNV and Siniperca chuatsi cells infected with ISKNV
Published 2025-01-01“…The findings revealed that the m6A methylation peaks were located mainly in coding sequences (CDSs), with more than 90% of the transcripts containing 1–5 m6A peaks. Through MeRIP-seq, 4361 differentially m6A-methylated mRNAs were identified. …”
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17956
Preliminary analysis of the role of small hepatitis B surface proteins mutations in the pathogenesis of occult hepatitis B infection via the endoplasmic reticulum stress-induced UP...
Published 2025-02-01“…Huh7 and HepG2 cells were transfected with plasmids encoding wild-type (WT) or OBI-related SHB mutation-containing sequences, after which a chemiluminescence approach was used to detect HBsAg levels in cell culture supernatants. …”
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17957
Exploring the Pharmacokinetics and Gut Microbiota Modulation of Hesperidin and Nobiletin from Mandarin Orange Peel in Experimental Dogs: A Pilot Study
Published 2024-12-01“…<b>Results:</b> The MOP powder contained 9.3% hesperidin in early-ripening varieties (October harvest) and 6.9% in ripe varieties (December harvest). …”
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17958
International collaboration of VIR as an important factor of replenishing the collection of grain legume genetic resources
Published 2019-01-01“…For the collections containing crop wild relatives (CWR), botanical gardens remain important suppliers of material. …”
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17959
Metabolomic profiles of <i>Ribes nigrum</i> L. and <i>Lonicera caerulea</i> L. from the collection of the N.I. Vavilov Institute in the setting of Northwest Russia
Published 2022-11-01“…Organic acids, phenol-containing compounds and polyols prevailed in L. caerulea, while mono- and oligosaccharides, in R. nigrum. …”
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17960
Remote-sensing-based forest canopy height mapping: some models are useful, but might they provide us with even more insights when combined?
Published 2025-01-01“…An independent reference dataset, containing four different definitions of forest height (dominant, mean, maximum, and Lorey's) was established based on around <span class="inline-formula">5500</span> plots of the French National Forest Inventory (NFI), distributed across the entire area of interest. …”
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