Search Results - "Li, Junfen"
-
1
Conversion of Methanol to Olefins over H‑ZSM‑5 Zeolite: Reaction Pathway Is Related to the Framework Aluminum Siting
Published in ACS catalysis (04-11-2016)“…As the conversion of methanol to olefins (MTO) over a zeolite catalyst is conducted on acid sites derived from framework aluminum (AlF), it is possible to…”
Get full text
Journal Article -
2
Identification of the dehydration active sites in glycerol hydrogenolysis to 1,2-propanediol over Cu/SiO2 catalysts
Published in Journal of catalysis (01-03-2020)“…[Display omitted] •Highly dispersed Cu nanoparticles on SBA-15 were facilely fabricated.•Well-dispersed Cu nanoparticles resulted from finely dispersed copper…”
Get full text
Journal Article -
3
Relation of Catalytic Performance to the Aluminum Siting of Acidic Zeolites in the Conversion of Methanol to Olefins, Viewed via a Comparison between ZSM‑5 and ZSM-11
Published in ACS catalysis (01-06-2018)“…ZSM-5 and ZSM-11 zeolites are similar in their crystalline framework structure, acidity, morphology, and textual properties but considerably different in their…”
Get full text
Journal Article -
4
Regulation of Framework Aluminum Siting and Acid Distribution in H‑MCM-22 by Boron Incorporation and Its Effect on the Catalytic Performance in Methanol to Hydrocarbons
Published in ACS catalysis (01-04-2016)“…As the process of methanol to hydrocarbons (MTH) is catalyzed by acid sites, the regulation of framework aluminum siting and acid distribution in a zeolite…”
Get full text
Journal Article -
5
A route to form initial hydrocarbon pool species in methanol conversion to olefins over zeolites
Published in Journal of catalysis (01-08-2014)“…[Display omitted] •The existence of the direct mechanism in initial MTO process was evidenced.•A critical intermediate of CH3OCH2+ was detected and…”
Get full text
Journal Article -
6
Tuning the siting of aluminum in ZSM-11 zeolite and regulating its catalytic performance in the conversion of methanol to olefins
Published in Journal of catalysis (01-09-2019)“…Adding proper content of Na+ and/or Li+ as well as altering the Si/Al ratio during the synthesis can be used to adjust the Al siting or the distribution of…”
Get full text
Journal Article -
7
Insights into research on myocardial ischemia/reperfusion injury from 2012 to 2021: a bibliometric analysis
Published in European journal of medical research (09-01-2023)“…Numerous studies on myocardial ischemia/reperfusion (MI/R) injury have been undertaken in recent years. Hotspots and developmental trends in MI/R research are…”
Get full text
Journal Article -
8
Oriented control of Al locations in the framework of Al-Ge-ITQ-13 for catalyzing methanol conversion to propene
Published in Journal of catalysis (01-12-2016)“…[Display omitted] •Framework Al distribution of Al-Ge-ITQ-13 has remarkable effects on its MTP catalytic properties.•Al locations in the Al-Ge-ITQ-13 framework…”
Get full text
Journal Article -
9
Nanosheet MFI Zeolites for Gas Phase Glycerol Dehydration to Acrolein
Published in Catalysts (01-02-2019)“…To overcome the rapid deactivation of conventional ZSM-5, novel nanosheet MFI zeolites, with different Si/Al molar ratios were well fabricated. It was found…”
Get full text
Journal Article -
10
Synthesis of SAPO-34/ZSM-5 Composite and Its Catalytic Performance in the Conversion of Methanol to Hydrocarbons
Published in Journal of the Brazilian Chemical Society (01-02-2015)“…SAPO-34/ZSM-5 composite was synthesized with nano-sized ZSM-5 zeolite as seeds and characterized by powder X-ray diffraction (XRD), scanning electron…”
Get full text
Journal Article -
11
Effects of insonification on repairing the renal injury of diabetic nephropathy rats
Published in BMJ open diabetes research & care (18-07-2024)“…IntroductionProlonged hyperglycemia in diabetes mellitus can result in the development of diabetic nephropathy (DN) and increase the susceptibility to kidney…”
Get full text
Journal Article -
12
Rapid tuning of ZSM-5 crystal size by using polyethylene glycol or colloidal silicalite-1 seed
Published in Microporous and mesoporous materials (15-11-2012)“…[Display omitted] ► Addition of PEG to the synthesis gel favors the formation of uniform ZSM-5 crystals. ► Fine tuning of ZSM-5 crystal size was realized by…”
Get full text
Journal Article -
13
Interval model of a wind turbine power curve
Published in Frontiers in energy research (24-11-2023)“…The wind turbine power curve model is critical to a wind turbine’s power prediction and performance analysis. However, abnormal data in the training set…”
Get full text
Journal Article -
14
A DFT study on the distributions of Al and Brönsted acid sites in zeolite MCM-22
Published in Journal of molecular catalysis. A, Chemical (16-03-2011)“…[Display omitted] ► Framework Al distribution in MCM-22 was studied with Na + as counter-cation. ► The most probable sites for locating Al are T7 and T1, while…”
Get full text
Journal Article -
15
Effect of ammonium salts on the synthesis and catalytic properties of TS-1
Published in Microporous and mesoporous materials (01-06-2009)“…Effects of ammonium salts on the synthesis and characteristics of TS-1 were studied by adding different ammonium salts (NH 4F, NH 4Cl, NH 4Br, NH 4I, CH 3COONH…”
Get full text
Journal Article -
16
Synthesis and spectral characteristics of two novel intramolecular charge transfer fluorescent dyes
Published in Talanta (Oxford) (15-03-2009)“…The synthesis and absorption/fluorescence properties of two novel intramolecular charge transfer (ICT) compounds of (fluorene-2-yl)-(9-ethylcarbazole-3-yl)…”
Get full text
Journal Article -
17
Preparation, characterization and catalytic properties of Ti-rich Ti-YNU-1
Published in Microporous and mesoporous materials (01-09-2012)“…[Display omitted] ► Ti-rich Ti-YNU-1 was prepared using highly acid-treated Fe-YNU-1 as silica source. ► Ti-rich YNU-1 shows high activity for the oxidation of…”
Get full text
Journal Article -
18
Synthesis, characterization, and catalytic properties of H-Al-YNU-1 and H-Al-MWW with different Si/Al ratios
Published in Journal of catalysis (10-09-2009)“…H-Al-YNU-1 with a 12-MR pore opening and H-Al-MWW with different Si/Al ratios were postsynthesized in the presence of piperidine (PI) and hexamethyleneimine…”
Get full text
Journal Article -
19
Study on the phosphorescence characterizations of palmatine chloride on the solid substrate and its interaction with ctDNA
Published in Talanta (Oxford) (15-01-2009)“…The spectroscopic characterizations of solid substrate room temperature phosphorescence (SS-RTP) of palmatine (Pal) have been studied. Strong RTP signal at 615…”
Get full text
Journal Article -
20
Theoretical and experimental investigations on the structures of purified clay and acid-activated clay
Published in Applied surface science (15-07-2006)“…The purified and acidified montmorillonite clay were characterized by XRD, BET and TPD. These results show that acidified clay is provided with more surface…”
Get full text
Journal Article