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341
Expedient Synthesis of Substituted Thieno[3,2-<i>b</i>]thiophenes and Selenopheno[3,2-<i>b</i>]selenophenes Through Cascade Cyclization of Alkynyl Diol Derivatives
Published 2024-11-01“…Using this strategy, substitution patterns were obtained for backbone modification in functional materials.…”
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342
Public health services: implementation of healthcare technologies
Published 2020-10-01Get full text
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343
Bifunctional 4,5-Diiodoimidazole Interfacial Engineering Enables Simultaneous Defect Passivation and Crystallization Control for High-Efficiency Inverted Perovskite Solar Cells
Published 2025-05-01“…The champion device with 4,5-Di-I modification achieves a power conversion efficiency (PCE) of 24.10%, with a V<sub>OC</sub> enhancement from 1.12 V to 1.14 V, while maintaining 91% of initial PCE after 1300 h in N₂ atmosphere (25 °C), demonstrating superior stability under ISOS-L-2 protocols. …”
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344
Improving Process Design for Reaching Energy Efficiency, Environmentally Friendly, and Producing High Purity Methyl Chloride of Dehydrochlorination Process of Methanol and Hydrogen...
Published 2024-12-01“…Considering these three aspects, the modification process is conclusively more efficient than the basic process system. …”
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345
Effect of nitrogen concentration on the yield and biochemical characteristics of exopolysaccharide of Porphyridium purpureum
Published 2025-05-01“…The results showed that nitrogen concentrations of 9.0 mM and 18.0 mM optimized cell division, while photosynthetic efficiency decreased as nitrogen concentration decreased. …”
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346
Influence of Low-Temperature Plasma Treatment on The Liquid Filtration Efficiency of Melt-Blown PP Nonwovens in The Conditions of Simulated Use of Respiratory Protective Equipment
Published 2017-06-01“…Moreover, scanning electron microscopy and ATR-IR spectroscopy were used to assess changes in surface topography and chemical composition of the fibres. The modification of melt-blown nonwovens with nitrogen, oxygen and air plasma did not result in a satisfactory improvement of the filtration efficiency. …”
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347
A cysteine-less and ultra-fast split intein rationally engineered from being aggregation-prone to highly efficient in protein trans-splicing
Published 2025-03-01“…The optimized CLm intein (Cysteine-Less and monomeric) retains the wild-type’s ultra-fast reaction rate and serves as an efficient, thiol-independent protein modification tool. …”
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348
Amino-functionalized Fe/Co bimetallic MOFs for accelerated Fe (III)/Fe (II) cycling and efficient degradation of sulfamethoxazole in Fenton-like system
Published 2025-03-01“…This study aimed to address the slow Fe (III)/Fe (II) cycling limitation of Fe-MOFs through dual modification strategy: bimetallic modification and amino functionalization. …”
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Efficient, long term production of monocyte-derived macrophages from human pluripotent stem cells under partly-defined and fully-defined conditions.
Published 2013-01-01“…Overall, the method we describe here is an efficient, effective, scalable system for the reproducible production and genetic modification of human macrophages, facilitating the interrogation of human macrophage biology.…”
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353
Construction of a Covalent Crosslinked Membrane Exhibiting Superhydrophilicity and Underwater Superoleophobicity for the Efficient Separation of High-Viscosity Oil–Water Emulsion U...
Published 2025-04-01“…Moreover, molecular dynamics (MD) simulations demonstrate that the SiO<sub>2</sub>-PEI-GA-modified membrane promotes the formation of a stable hydration layer, reduces the oil–layer interaction energy by 85.54%, and exhibits superior underwater oleophobicity compared to the unmodified SSM. Efficiency is maintained at 99.8% after 10 cycles. This study provides a scalable strategy that combines covalent crosslinking with hydrophilic particle modification, effectively addressing the trade-off between separation performance and membrane longevity in the treatment of viscous emulsions.…”
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354
Efficiency improvement of graphene/AlGaAs/GaAs Schottky junction solar cells by minimizing optical losses through front and rear surface texturing
Published 2025-07-01“…The results show that a textured surface with a period width of 1 μm and a depth of 600 nm achieves a short-circuit current density (JSC) of 23.51 mA/cm2, an open-circuit voltage (VOC) of 0.97 V, and a power conversion efficiency (PCE) of 19.99%. The n+-InAl0.65Ga0.35P BSF layer is added on the back surface as the second feature of the Prop-Str that increases the PCE by 3% due to a strong electric field in the n-GaAs/n+-InAlGaP heterojunction. …”
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355
Research Progress on Surface Modification of Bipolar Plates for PEMFC
Published 2025-06-01“…The bipolar plates are one of the core components of the proton exchange membrane fuel cell (PEMFC),and its performance directly affects the output power and service life of the battery stack.Bipolar plates not only connect individual cells into stacks and provide support,but also provide gas flow paths and isolate the anodes and cathodes, playing a key role in the operating performance and lifetime of fuel cells.Due to the harsh service environment of PEMFC, including high temperature, high humidity and acidic environment, the bipolar plates need to have excellent electrical conductivity and corrosion resistance to ensure the efficient and stable operation of the fuel cell.In this paper, the development status and application progress of PEMFC bipolar plates were briefly described.The research and development of surface modification schemes for electrical conductivity and corrosion resistance were emphatically expounded.Moreover, the surface modification schemes of stainless steel, titanium, titanium alloy, aluminum alloy and other metal bipolar plate’ substrates were systematically introduced.The performance characteristics, development trends and existing problems of different metal bipolar plates and their surface modification schemes were compared.Finally, the common problems and development and application prospects of the surface modification of PEMFC metal bipolar plates were discussed.…”
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356
Design of Damping and Control Matrices by Modification of Eigenvalues and Eigenvectors
Published 1994-01-01Get full text
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357
Modification of Top Profile with Trigonometric Curve for Scroll Compressor
Published 2004-01-01“…The regularity between variation of modification parameters and that of volume efficiency and leakage loss was summarized. …”
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358
Modification of Homotopy Perturbation method for addressing systems of PDEs
Published 2025-03-01Get full text
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359
A Review of Different Modification Technologies for Dietary Fiber
Published 2025-07-01“…This review aims to provide a theoretical foundation for the efficient modification of DF. By promoting the high-value transformation of agricultural products, extending the industrial chains, and increasing the added value of products, this review holds significant importance for the sustainable development of agriculture and the advancement of the health food industry.…”
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360
Investigation of the Impact of Chemical Modifications on the Photostability of Polymethyl Methacrylate
Published 2024-01-01“…Another approach is the alteration of polymer structures to enhance their ability to resist photodegradation and photooxidation on exposure to UV light for extended periods in harsh conditions. Polymeric chain modifications have proved to be efficient in increasing the photostability of materials. …”
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