نتایج جستجو برای: solid reactions

تعداد نتایج: 350012  

Journal: :Catalysis Today 2022

Co, Ce and Co-Ce nanofibers were synthesized by the electrospinning method. To obtain mixed fibers, Co was incorporated in two ways: one step synthesis sequential synthesis. Nanofibers applied to reactions: gas-solid (CO oxidation) solid-solid-gas (combustion of diesel soot). Different activity trends observed both reactions. For soot combustion, more active either than or nanofibers. CO oxidat...

2009
Nong Gao Marco J. Starink Terence G. Langdon

Differential Scanning Calorimetry (DSC) is a thermal analysis technique that measures the energy absorbed or released by a sample as a function of temperature or time. Analysis by DSC has wide applications for examining solid-state reactions and solid-liquid reactions in many different materials. Quantitative analyses of the kinetics of reactions may be assessed by reviewing the interrelation b...

2000
Karen Wilson James H. Clark

Tightening environmental legislation is driving the fine and speciality chemicals industries to consider alternative processes that avoid the use of conventional mineral acids. The use of heterogeneous catalysts in these processes would vastly simplify catalyst removal, minimizing the amount of waste formed. However, diffusion limitation of liquids within porous solids dictates that effective s...

Journal: :Nano letters 2014
Andrej Singer Andrew Ulvestad Hyung-Man Cho Jong Woo Kim Jörg Maser Ross Harder Ying Shirley Meng Oleg G Shpyrko

We study nonequilibrium structural dynamics in LiNi1/2Mn3/2O4 spinel cathode material during fast charge/discharge under operando conditions using coherent X-rays. Our in situ measurements reveal a hysteretic behavior of the structure upon cycling and we directly observe the interplay between different transformation mechanisms: solid solution and two-phase reactions at the single nanoparticle ...

Journal: :Chemical communications 2014
Lin-Bing Sun Jie Shen Feng Lu Xiao-Dan Liu Li Zhu Xiao-Qin Liu

New solid strong bases were fabricated at room temperature by grafting lithium-containing molecular precursors onto β-cyclodextrin. The solid bases show strong basicity with a molecular-level dispersion of lithium sites, which are highly active in transesterification reactions and impossible to realize through the traditional high-temperature method.

Journal: :The Journal of the Society of Chemical Industry, Japan 1966

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2008

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید