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In the field of water treatment, it is of importance to fabricate an adsorbent with large adsorption capacity and high reproducibility for efficiently removing heavy metal ions Pb (II) from polluted water. In this work, a novel Ti-based MOFs material (BDB-MIL-125(Ti)@Fe 3 O 4 ) was designed and...
Persistent link: https://www.econbiz.de/10013303239
The effects of the site symmetric distortion induced by the phase transition on up-conversion emission and thermal sensing performance of Gd 2 (MoO 4 ) 3 :Yb 3+ /Er 3+ (GMO) crystals are elaborately studied by minimizing interference from many factors. Monoclinic GMO shows much stronger...
Persistent link: https://www.econbiz.de/10013303726
Die Systemtransformation in der Volksrepublik China hat seit Ende der siebziger Jahre tiefgreifende Veränderungen ausgelöst, und es stellt sich die Frage, ob chinesische Staatsbetriebe nach der Wirtschaftsreform Fortschritte im Wandlungsprozess von der ehemals planwirtschaftlich orientierten...
Persistent link: https://www.econbiz.de/10013510052
Chemical Looping Dry Reforming (CLDR) using oxygen carrier (OC) is a novel technology to convert CO 2 to CO. Currently, Ca 2 Fe 2 O 5 (CF) OC is found to be a potential material for CLDR. In this paper, Zr 0.5 Ce 0.5 O 2 (ZC) was used to improve the reduction rate of CF OC and alleviate the...
Persistent link: https://www.econbiz.de/10013304346
The solidification characteristics of C700R-1 alloy was investigated by DSC analysis, in-situ observation, quenching experiment and Thermo-Calc calculation. The segregation behavior during solidification was analyzed by Scanning Electron Microscope and Electron Probe Microanalysis. At the...
Persistent link: https://www.econbiz.de/10013305053
A mathematical model of a free piston linear engine is established. The motion characteristics as well as the natural frequency map of the free piston are established. Then, its motion characteristics are successfully explained from the oscillation point. The full simulation model is built up in...
Persistent link: https://www.econbiz.de/10008919110
A diesel engine is modified for homogeneous charge compression ignition (HCCI) combustion with dimethyl ether. With and without knock, in-cylinder pressure is acquired, and in-cylinder temperature, rate of heat release (ROHR), pressure rise rate and pressure rise acceleration obtained. Wavelet...
Persistent link: https://www.econbiz.de/10008919963
Biomass gasification using lattice oxygen (BGLO) of natural hematite coupling with steam was conducted in a fluidized bed reactor. The presence of hematite particles evidently facilitated to biomass gasification. Comparing with biomass steam gasification (BSG), carbon conversion and gas yield...
Persistent link: https://www.econbiz.de/10011053471