19 Result(s)
within
English
Chemistry/Food Science, general
Zhang **ang-bo
Article
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Article
Photoactive Poly(aryl ether)s containing azobenzene moieties on pendants for fabrication of thermal stable surface relief gratings
A series of azobenzene functionalized poly(aryl ether) copolymers(azo-PAEs) containing azo moieties on pendants was prepared by direct copolymerization. The amount of azobenzene chromophores could be controlle...
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Experimental investigation on upstream-injection interaction with a scramjet cavity flameholder
The study has evaluated the coherent structures and the velocity field of gaseous transverse jet upstream of a scramjet flameholder in a supersonic turbulent flow. The high spatiotemporal resolution coherent s...
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Mn3O4 nano-sized crystals: Rapid synthesis and extension to preparation of nanosized LiMn2O4 materials
With a novel gas–liquid reaction, a facile and rapid method has been successfully developed for the synthesis of nano-sized Mn3O4 crystals. Coupled with complementary experiments, preparation mechanisms of Mn(II)...
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Isocoumarins from the Leaves of Nicotiana tabacum and Their Anti-Tobacco Mosaic Virus Activities
Two new isocoumarins, tabaisocoumarins D and E (1 and 2), together with four known isocoumarins (3–6) were isolated from the leaves of Nicotiana tabacum. Their structures were determined by means of HR-ESI-MS and...
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Phytochemicals and biological activities of Artemisia sieversiana
This review discusses a whole plant’s chemical nature and biological effects of Artemisia sieversiana Ehrhart ex willd (ASS). Several types of chemical compositions have been isolated from A. sieversiana, includ...
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Recent Advances and Research Status in Energy Conservation of Iron Ore Sintering in China
For the ferrous burden of blast furnaces in China, sinter generally accounts for more than 70% and the sintering process accounts for approximately 6–10% of the total energy consumption of the iron and steel ...
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Carbothermic Reduction Reactions at the Metal–Slag Interface in Ti-Bearing Slag from a Blast Furnace
Carbothermic reduction reactions at the metal–slag interface and the mechanisms of iron loss during the smelting of vanadium-bearing titanomagnetite in a blast furnace are still not clear as a result of the li...
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A stable metal-covalent-supramolecular organic framework hybrid: enrichment of catalysts for visible light-induced hydrogen production
Cubic metal-covalent-supramolecular organic framework (MCSOF-1) hybrid has been created from the reaction of two molecular components and subsequent co-assembly with cucurbit[8]uril (CB[8]) in water. In the prese...
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Ziziphus jujuba Mill., a plant used as medicinal food: a review of its phytochemistry, pharmacology, quality control and future research
Jujubae Fructus (ZJF) [called Dazao (大枣) in Chinese], the fruit of Ziziphus jujuba Mill. (ZJ), is utilized as a food and traditional medicine in China. In TCM use, ZJF is traditionally used to treat and nourish t...
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A self-assembled framework that interpenetrates in crystal but does not interpenetrate in solution
A porous supramolecular framework has been for the first time revealed to undergo interpenetration in crystal and non-interpenetration in solution. A new supramolecular organic framework Bu-SOF has been constr...
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Asymmetric dearomatization catalysed by chiral Brønsted acids via activation of ynamides
Chiral Brønsted acid-catalysed asymmetric synthesis has received tremendous interest over the past decades, and numerous efficient synthetic methods have been developed based on this approach. However, the use...
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Visible-light-induced, autopromoted nickel-catalyzed three-component arylsulfonation of 1,3-enynes and mechanistic insights
A light-induced, nickel-catalyzed three-component arylsulfonation of 1,3-enynes in the absence of photocatalyst is reported. This methodology exhibited mild conditions, broad scope and high efficiency, and its...
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Surface controllable anchoring of Cu onto nanostructured PtNi for efficient electrochemical hydrogen evolution from seawater
Composition adjustment and establishment of multifunctional sites are promising routes to enhance the performance of Pt nanoalloys. A new strategy, involving surface controllable anchoring of Cu on nanostructu...
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Chemical Compounds from Leaves and Stems of Aconitum carmichaelii
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Effect of viscoelastic fluids on bubble tunneling rupture behavior in microchannels
This paper presents a numerical simulation of the tunneling rupture behavior of bubbles in microchannels using OpenFOAM. The fluid properties were characterized by the Giesekus model, and the interface was tra...
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DFT study on the intermolecular interaction between two energetic ionic salts: a case of TKX-50 and ADN
Based on the density functional theory, the mechanism of intermolecular interaction between two energetic ionic salts dihydroxylammonium 5,5′-bistetrazole-1,1′-diolate (TKX-50) and ammonium dinitramide (ADN) w...
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Enhancing photodynamic inactivation via tunning spatial constraint on photosensitizer
The critical factor of spatial constraint, provided by the external confinement (e.g., matrix), is often overlooked during photodynamic inactivation, despite playing a crucial role in determining the molecular ph...
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Chemical Compounds from of Aconitum rockii and Anti-Cancer Activity
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Ultrahigh saturation magnetization in FeCoB powders with controllable amorphous-nanocrystalline structure via the synergism of deformation and energy injection
Amorphous-nanocrystalline magnetic powder cores (ANMPCs) are highly potential soft magnetic materials in high-frequency applications of power electronic devices. However, their relatively low saturation magnet...
