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Effects of the SAPO-11 synthetic process on dehydration of ethanol to ethylene

Lina WU, Xiaoxing SHI, Qun CUI, Haiyan WANG, He HUANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1, Pages 60-66 doi: 10.1007/s11705-010-0540-7

Abstract: The effects of the synthetic condition of SAPO-11 molecular sieves on ethanol dehydration to ethyleneResults are as follows: the optimal synthetic conditions for SAPO-11 molecular sieves are adding pseudoboehmite

Keywords： SAPO-11 molecular sieves synthesis ethanol ethylene dehydration

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Removal efficiencies of natural and synthetic progesterones in hospital wastewater treated by different

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1558-z

Abstract:

● The concentrations of 61 progesterones in HWW, PFTE, SBTE were evaluated.

Keywords： wastewater Primary filtration treatment effluent Secondary biological treatment effluent Disinfection process

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The Progress on Chemistry and Technology of Synthetic Rubber in 20th Century

Wu Guanying

Strategic Study of CAE 1999, Volume 1, Issue 3, Pages 79-85

Abstract:

The present review is related to the progress of synthetic rubber industry in this century with specialemphasis on the synthetic chemistry, which is the theoretic ground of synthetic rubber.The progress of the corresponding technology for the manufacture of synthetic rubber will be the gaspolymerization process and the polymerization reactor will remain a hot topic to be investigated .

Keywords： synthetic rubber synthetic chemistry living/controlled polymerization gas phale polymerization process

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Performance of completely autotrophic nitrogen removal over nitrite process under different aeration

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4, Pages 439-445 doi: 10.1007/s11783-008-0046-4

Abstract: 155 days to evaluate the performance of completely autotrophic nitrogen removal over nitrite (CANON) processSynthetic wastewater with 160-mg NH-N/L was fed into the reactors.the CANON system should be adjusted to the aeration mode, and low DO was not a prerequisite to CANON process

Keywords： Synthetic wastewater process Whereas biofilm detection

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Application of fuzzy analytic hierarchy process model on determination of optimized pile-type

Lei MA, Shuilong SHEN, Jinhui ZHANG, Yang HUANG, Feng SHI

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2, Pages 252-257 doi: 10.1007/s11709-010-0017-2

Abstract: modern foundation construction, this study presents an efficient approach, in which analytic hierarchy processIn this study, AHP combined with fuzzy synthetic evaluation method is employed to select the type of

Keywords： pile type fuzzy synthetic evaluation analytic hierarchy process (AHP) optimal selection

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Genome reprogramming for synthetic biology

Kylie Standage-Beier,Xiao Wang

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1, Pages 37-45 doi: 10.1007/s11705-017-1618-2

Abstract: The ability to go from a digitized DNA sequence to a predictable biological function is central to syntheticRecent development of new programmable tools to reengineer genomes has spurred myriad advances in syntheticinterspace short palindromic repeats enable RNA-guided rational redesign of organisms and implementation of syntheticAdvanced DNA synthesis and assembly methods have also enabled the construction of fully synthetic organisms

Keywords： CRISPR genome engineering synthetic biology rational design

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Renewable synthetic fuel: turning carbon dioxide back into fuel

Frontiers in Energy 2022, Volume 16, Issue 2, Pages 145-149 doi: 10.1007/s11708-022-0828-6

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Carbon-coated lithium titanate: effect of carbon precursor addition processes on the electrochemical performance

Shilei Ding, Zelong Jiang, Jing Gu, Hongliang Zhang, Jiajia Cai, Dongdong Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1, Pages 148-155 doi: 10.1007/s11705-020-2022-x

Abstract: In this paper, two carbon-coated lithium titanate (LTO-C1 and LTO-C2) composites were synthesized using the ball-milling-assisted calcination method with different carbon precursor addition processes. The physical and electrochemical properties of the as-synthesized negative electrode materials were characterized to investigate the effects of two carbon-coated LTO synthesis processes on the electrochemical performance of LTO. The results show that the LTO-C2 synthesized by using Li CO and TiO as the raw materials and sucrose as the carbon source in a one-pot method has less polarization during lithium insertion and extraction, minimal charge transfer impedance value and the best electrochemical performance among all samples. At the current density of 300 mA·h·g , the LTO-C2 composite delivers a charge capacity of 126.9 mA·h·g , and the reversible capacity after 300 cycles exceeds 121.3 mA·h·g in the voltage range of 1.0–3.0 V. Furthermore, the electrochemical impedance spectra show that LTO-C2 has higher electronic conductivity and lithium diffusion coefficient, which indicates the advantages in electrode kinetics over LTO and LTO-C1. The results clarify the best electrochemical properties of the carbon-coated LTO-C2 composite prepared by the one-pot method.

Keywords： lithium titanate carbon-coated carbon precursor synthetic process

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Targeting “undruggable” c-Myc protein by synthetic lethality

Chen Wang, Hui Fang, Jiawei Zhang, Ying Gu

Frontiers of Medicine 2021, Volume 15, Issue 4, Pages 541-550 doi: 10.1007/s11684-020-0780-y

Abstract: Synthetic lethal screening, which exploits the combination of mutations that result in cell death, isWe further discuss strategies to identify these functional nodes in the context of synthetic lethalityreview the progress and shortcomings of this research field and look forward to opportunities offered by synthetic

Keywords： synthetic lethality undruggable transcription factor c-Myc

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Water-soluble BODIPY and aza-BODIPY dyes: synthetic progress and applications

Gang FAN,Le YANG,Zhijian CHEN

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4, Pages 405-417 doi: 10.1007/s11705-014-1445-7

Abstract: In recent years, boron-dipyrromethene (BODIPY) and boron-azadipyrromethene (aza-BODIPY) dyes have attracted considerable multidisciplinary attention due to their diverse applications. By introducing various hydrophilic groups, such as quaternary ammonium, sulfonate or oligo-ethyleneglycol moieties into the BODIPY core, the solubilities of these dyes in aqueous solution can be greatly improved while maintaining their high fluorescence quantum yields. Accordingly, applying these fluorescent dyes in aqueous systems to areas such as chemosensors, biomacromolecule labeling, bio-imaging and photodynamic therapy has been achieved. In this article, the recent progress on the synthesis, optical properties and application of water-soluble BODIPY dyes and aza-BODIPY dyes is reviewed.

Keywords： boron-dipyrromethene boron-azadipyrromethene synthetic progress applications

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SCRaMbLE drive application of synthetic yeast genome

Jin Jin, Yuan Ma, Duo Liu

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4, Pages 832-834 doi: 10.1007/s11705-018-1749-0

Abstract:

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Hollow-fiber gas penetration electrodes efficiently produce renewable synthetic fuels

Frontiers in Energy 2022, Volume 16, Issue 5, Pages 700-705 doi: 10.1007/s11708-022-0842-8

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Cell-free systems in the new age of synthetic biology

Fernando Villarreal,Cheemeng Tan

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1, Pages 58-65 doi: 10.1007/s11705-017-1610-x

Abstract: The advent of synthetic biology has ushered in new applications of cell-free transcription-translationhistorical advancement of cell-free systems, as well as their new applications in the rapid design of syntheticFinally, we present our vision on the future direction of cell-free synthetic biology.

Keywords： cell-free system application

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polygeneration system of a combination of the gasified coal gas and the pyrolyzed coal gas to form the synthetic

Kechang XIE, Fan LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 383-384 doi: 10.1007/s11705-010-0526-5

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Flexural behavior of ECC hollow beams incorporating different synthetic fibers

Ahmmad A. ABBAS, Farid H. ARNA ’OT, Sallal R. ABID, Mustafa ÖZAKÇA

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2, Pages 399-411 doi: 10.1007/s11709-021-0701-4

Abstract: Twelve ECC beams with three different fiber types, along with four normal concrete beams, were tested in this study to evaluate the influence of cross-sectional hollowing on their flexural performance. The fiber types used were nylon monofilament (NM), low-cost untreated polyvinyl alcohol (PVA), and polypropylene (PP). Three different square hole sizes of 60, 80, and 100 mm with cross-sectional hollowing ratios of 0.16, 0.28, and 0.44, respectively, were adopted for each group of beams in addition to a solid beam. All beams were tested under four-point loading using a displacement-controlled testing machine. The test results showed that ECC beams can mostly withstand higher cracking and ultimate loads compared to their corresponding normal concrete versions. The results also showed that both the ductility and toughness of the ECC beams are higher than those of the normal concrete beams and that the ductility values of the hollow beams with a hole size of 60 mm are higher than those of the corresponding solid beams. Moreover, hollow ECC beams with hole sizes of 60 and 80 mm exhibited a higher ductility than a solid normal concrete beam.

Keywords： hollow beam hollowing ratio ECC flexural strength ductility toughness