Results 201 to 210 of about 2,403,096 (241)
Chitin‐Derived Carbon‐Metal Functional Materials
Functional carbon materials are synthesized from combination of biopolymer (chitin) and iron precursors. The resultant material exhibits superior surface area and adsorptive properties compared to carbon materials synthesized directly from pure chitin.
Herry Fang +7 more
wiley +1 more source
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The Relationship Between Maximal Strength and Reactive Strength
International Journal of Sports Physiology and Performance, 2017Maximum- and reactive-strength qualities both have important roles in athletic movements and sporting performance. Very little research has investigated the relationship between maximum strength and reactive strength. The aim of this study was to investigate the relationship between maximum-strength (isometric midthigh-pull peak force [IMTP PF]) and ...
Kris, Beattie +3 more
openaire +2 more sources
Laboratory Investigation on Reactivated Residual Strength
Journal of Geotechnical and Geoenvironmental Engineering, 2008Recent research has outlined that mobilized in situ strength at the reactivation of displacements along a preexisting sliding surface may be slightly greater than laboratory residual strength. Although geotechnical literature explains this difference in various ways — for instance, strength gain due to soil aging — little work has been devoted to this ...
CARRUBBA, PAOLO, DEL FABBRO M.
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Post reactive strength and reactivity of metallurgical coke: infrared gas analyzer
International Journal of Coal Preparation and Utilization, 2021Coke reactivity index and coke strength after reaction traditionally evaluated by reacting coke with carbon dioxide in standard condition.
Deepak Kumar +3 more
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Enhancing the reactivity and strength of cotton fibers
Journal of Applied Polymer Science, 1992AbstractBoth sodium hydroxide solution of mercerizing strength and anhydrous methylamine are suitable pretreatments for enhancing the reactivity of cotton cellulose. Favorable results are achieved by maintaining the fiber material in the never‐dried state after the swelling treatment. Extraction by organic solvents is to be preferred over water‐washing
G. Buschle‐Diller, S. H. Zeronian
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Flexural Strength of the Reactive Powder Concrete
Solid State Phenomena, 2016Reactive powder concrete (RPC) is cement composite which is characterized by an absence of coarse aggregate. That resulted in a greater homogeneity of the mixture and thus also in a higher compressive strength. On the other side, the absence of coarse aggregate and typically a large volume of the paste lead to the deterioration of some of the ...
Michal Ženíšek +2 more
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Zinc Ammonio-dodecaborates: Synthesis, Lewis Acid Strength, and Reactivity
Inorganic Chemistry, 2022Two series of zinc salts, [EtZn][A] and Zn[A]2, with weakly coordinating anions [A]- as counterions have been prepared, and their activities as catalysts for hydrosilylation reactions of 1-hexene, benzophenone, and acetophenone have been investigated. The counterions and per- and partially chlorinated 1-ammonio-closo-dodecaborate anions [Me3NB12Cl11]- [
Rudolf J. Wehmschulte +9 more
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Strength and Ductility of Reactive Powder Concrete Columns
Key Engineering Materials, 2009Two hollow rectangular bridge columns with Reactive powder concrete (RPC) were tested under a cyclically reversed horizontal load. Based on the test results, the seismic behavior of such columns was presented. An analytical model was developed to predict the force-displacement relationship of specimens.
Guan Yuan Zhao, Wen Xiu Hao
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Strength and Stiffness of Aluminum/PTFE Reactive Composites
Recent Advances in Solids and Structures, 2001Abstract Aluminum/Polytetrafluoroethylene mixtures are currently being studied as reactive material compositions, with focus on shock or impact ignition. In addition, there is an emphasis on increasing the strength of these composites to survive high strain-rate deformation.
A. Saigal, V. S. Joshi
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Effect of pore structure and matrix reactivity on coke reactivity and post-reaction strength
Metallurgical Research & Technology, 2017Metallurgical coke accounts for a significant portion of the costs associated with blast furnace operations. The coke reactivity index (CRI) and coke strength after reaction (CSR), determined via the Nippon Steel Corporation test, are the most popular indexes for estimating the high-temperature properties of coke.
Rui Guo +5 more
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