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Experimental investigation on freeze−thaw durability of polymer concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1038-1046 doi: 10.1007/s11709-021-0748-2

Abstract: compressive strength were determined for all types of concretes subjected to freeze–thaw cycles according to ASTMC666-procedure A.

Keywords： durability test     freeze-thaw resistance     polymer concrete     residual compressive strength     ASTM C666-15    

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Symbiotic performance, shoot biomass and water-use efficiency of three groundnut (

Sofiya K. MUHABA, Felix D. DAKORA

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 455-466 doi: 10.15302/J-FASE-2020354

Abstract: respiration and photosynthesis and its supply at low levels can affect legume nodulation, N fixation, and Cthe genotypes significantly increased their shoot biomass, symbiotic performance, grain yield, and CThere was, however, no effect on shoot δ C values in either year.The three genotypes differed significantly in δ N, %Ndfa, N-fixed, grain yield, C concentration, and δ C.

Keywords： shoot yield     N-fixed     %Ndfa     δ15N     δ13C     water-use efficiency    

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Asymmetric transfer hydrogenation of prochiral ketone catalyzed over Fe-CS/SBA-15 catalyst

XUE Ping, WU Tao

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 251-255 doi: 10.1007/s11705-007-0045-1

Abstract: A heterogeneous chiral catalyst Fe(III)-CS (chitosan) complex/mesoporous molecular sieve SBA-15 (Santaacetophenone and 4-methyl-2-pentanone to corresponding chiral alcohols were carried out on Fe-CS/SBA-15Fe-CS/SBA-15 with 2.2% mass fraction Fe exhibits considerable enantioselectivity and catalytic activityUnder optimal reaction conditions: KOH concentration 0.03 mol/L, reaction temperature 70ºC and reaction

Keywords： asymmetric transfer     enantioselectivity     Fe-CS/SBA-15     aliphatic     aromatic    

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GDF15 negatively regulates chemosensitivity via TGFBR2-AKT pathway-dependent metabolism in esophageal

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 119-131 doi: 10.1007/s11684-022-0949-7

Abstract: Growth differentiation factor 15 (GDF15) is crucial in the development of various types of tumors andIn this study, the link between GDF15 and chemotherapy resistance in ESCC was further explored.The relationship between GDF15 and the chemotherapy response was investigated through in vitroESCC patients with high levels of GDF15 expression showed an inferior chemotherapeutic response.and that GDF15 can be targeted during chemotherapy, resulting in beneficial therapeutic outcomes.

Keywords： GDF15     esophageal squamous cell carcinoma     chemoresistance     cellular metabolism     TGFBR2     AKT    

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Enhanced desulfurization performance of hybrid membranes using embedded hierarchical porous SBA-15

Ye Zhang, Jian Song, Josue Quispe Mayta, Fusheng Pan, Xue Gao, Mei Li, Yimeng Song, Meidi Wang, Xingzhong Cao, Zhongyi Jiang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 661-672 doi: 10.1007/s11705-019-1830-3

Abstract: study, novel hybrid membranes are designed by embedding hierarchical porous Santa Barbara Amorphous 15(SBA-15) with a dual-pore architecture (micropores and mesopores) for pervaporation desulfurization.The SBA-15 with cylindrical mesopores provides molecular transport expressways to ensure improved permeabilityConsidering thiophene/ -octane mixture as a model system, the hybrid membrane with embedded 6 wt-% SBA-15

Keywords： hybrid membranes     hierarchical porous SBA-15     sieving effect     pervaporation     desulfurization    

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A mini review on chemical fixation of CO 2 : Absorption and catalytic conversion into cyclic carbonates

Weili DAI, Chaktong AU, Shenglian LUO, Shuangfeng YIN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 163-171 doi: 10.1007/s11705-009-0235-0

Abstract: We fabricated bismuth biphenoate complex, Zn-Mg-Al composite oxides, and SBA-15 or Al-SBA-15 immobilizedZn-Mg-Al oxides and SBA-15 or Al-SBA-15 immobilized ionic liquid, are efficient for the synthesis of

Keywords： SBA-15     CO cycloaddition     Al-SBA-15 immobilized     CO     dissociation    

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Beneficial metabolic activities of inflammatory cytokine interleukin 15 in obesity and type 2 diabetes

Jianping Ye

Frontiers of Medicine 2015, Volume 9, Issue 2,   Pages 139-145 doi: 10.1007/s11684-015-0377-z

Abstract: In this review article, interleukin 15 (IL-15) is used as a new example to explain the beneficial effectsIL-15 expression is induced in immune cells by endotoxin and in muscle cells by physical exercise.In the regulation of metabolism, IL-15 reduces weight gain without inhibiting food intake in rodents.In human, circulating IL-15 is negatively associated with body weight.The mechanism of IL-15 action remains to be fully uncovered in the regulation of energy expenditure.

Keywords： inflammation     obesity     cytokine     energy expenditure     insulin resistance    

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Oxidation-extraction desulfurization of model oil over Zr-ZSM-5/SBA-15 and kinetic study

Chuanzhu LU,Hui FU,Huipeng LI,Hua ZHAO,Tianfeng CAI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 203-211 doi: 10.1007/s11705-014-1420-3

Abstract: ZSM-5/SBA-15 composite molecular sieves were synthesized using post-synthesis method and characterized, Ag-ZSM-5/SBA-15, Ce-ZSM-5/SBA-15 as catalyst.Under the optimal conditions, the desulfurization rate decreases in the order: Zr-ZSM-5/SBA-15>Ce-ZSM-5/SBA-15>Ag-ZSM-5/SBA-15.The highest desulfurization rate is 84.53% under the catalysis of Zr-ZSM-5/SBA-15.

Keywords： composite molecular sieve     oxidation desulfuration     extraction     kinetic    

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DUT15QY20, DUT15TD29, and 3132016029), and the Prospective Research Project on Future Networks from Jiangsupresented at the IEEE/CIC International Conference on Communications in China, Shanghai, China, Oct. 13–15 Article

Peng XIAO,Zhi-yang LI,Song GUO,Heng QI,Wen-yu QU,Hai-sheng YU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 7,   Pages 620-633 doi: 10.1631/FITEE.1500350

Abstract: As a novel architecture, software-defined networking (SDN) is viewed as the key technology of future networking. The core idea of SDN is to decouple the control plane and the data plane, enabling centralized, flexible, and programmable network control. Although local area networks like data center networks have benefited from SDN, it is still a problem to deploy SDN in wide area networks (WANs) or large-scale networks. Existing works show that multiple controllers are required in WANs with each covering one small SDN domain. However, the problems of SDN domain partition and controller placement should be further addressed. Therefore, we propose the spectral clustering based partition and placement algorithms, by which we can partition a large network into several small SDN domains efficiently and effectively. In our algorithms, the matrix perturbation theory and eigengap are used to discover the stability of SDN domains and decide the optimal number of SDN domains automatically. To evaluate our algorithms, we develop a new experimental framework with the Internet2 topology and other available WAN topologies. The results show the effectiveness of our algorithm for the SDN domain partition and controller placement problems.

Keywords： Software-defined networking (SDN)     Controller placement     K self-adaptive method    

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Duality of Thinking and Turning It Into Creative Thinking Commemorating Publication 15th Annual of on

Liang Guiming

Strategic Study of CAE 2003, Volume 5, Issue 2,   Pages 26-34

Abstract:

Entering the era of 21st century, there are two characteristics bearing on thinkinginnovation and comprehension. As to innovation, how to exite creative-thinking is a warm problem. From the high level of philosophy—epistemology and relative-truth of materialist-dialectics, this paper shows that there is the duality of every form of thinking including the thinking of deduction and that of socalled fixed-accustoming. There is an existence of both non-creative thinking and creative thinking and under certain conditions non-creative thinking may be turn into creative thinking which can make new knowledge and innovative achievements. As to comprehension, there are many different opinions on how to define and classify thinkings. By combining physiology and psychology, this paper divides thinkings into 2 parts and 7 basic forms. Connecting dialectics with comprehension, the conclusions of this paper are shown： the duality of non-creative thinking and creative thinking, the duality of reasoning thinking and understanding thinking, the duality of original knowledge and new knowledge, the duality of idea and test-verification, the duality of discovery and invention, the duality of science (sense of truth ) and art (sense of beauty ). The last conclusion is expressed as an example of seeking the theory of a cross-course —industrial design, the main contents of which are technology, art and market. This theory of ID is the first advance in ID.

Keywords： creative thinking     turn-condition     relativity of knowledge     comprehension    

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Effects of ambient temperature on regulated gaseous and particulate emissions from gasoline-, E10- and M15

Rencheng Zhu, Jingnan Hu, Liqiang He, Lei Zu, Xiaofeng Bao, Yitu Lai, Sheng Su

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1306-1

Abstract: Abstract • Emissions from two sedans were tested with gasoline, E10 and M15 at 30°C and -7°C. • As the(15% methanol and 85% gasoline by volume) at both 30°C and -7°C.The PM emissions with M15 were comparable to those with gasoline at 30°C, but at -7°C, the average PMAt 30°C, the BC emissions were lower with E10 and M15 than with gasoline in most cases, but E10 and M15might emit more BC than gasoline at -7°C, especially M15.

Keywords： Particle mass     Particle number     Black carbon     Alcohol gasoline     Low temperature    

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Valveless pumping using a two-stage impedance pump

C.-C. LEE, Y. A. ABAKR, K.-C. WOO

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 311-318 doi: 10.1007/s11465-013-0270-x

Abstract:

Impedance pump is defined as a type of valveless pumping mechanism, where an elastic tube is joined with a tube of different impedance, a periodic asymmetrical compression on part of the elastic tube will produce a unidirectional flow. Numerical and experimental studies had been conducted in the past, but little experimental work was found to exploit the principle of multi-stage impedance pumping for fluid transportation. This paper concentrates on the fluid behavior for an open-loop two-stage system experimentally. The aim of this work is to have an insight on the deliverable head and pumping rate of an open-loop two-stage impedance pumping system. This paper generally investigates the effect of different parameters towards the generation of unidirectional flows and composite flow of two opposite directions. Results obtained are of significant values.

Keywords： valveless pumping     open-loop     two-stage     unidirectional     composite    

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Design of GPRS Data Terminal Based on S3C2410

Sun Xueyong

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 94-96

Abstract: hardware structure and working process of the embedded Internetconnected platform, which regards S3C2410

Keywords： GPRS；embedded Internet；S3C2410；SIM100-E    

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Bioinspired C/TiO

Jian LI, Likun GAO, Wentao GAN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 4,   Pages 459-464 doi: 10.15302/J-FASE-2017178

Abstract: Hierarchical structures of -carbon-TiO (PP-C-TiO ) were confirmed by SEM observations.Furthermore, the conduction and valence bands of the PP-C-TiO are more negative than the correspondingThat is, the presence of C originating from wings in the PP-C-TiO could extend the photoresponsiveness

Keywords： bioinspired     butterfly wings     C/TiO2     photocatalyst     visible light    

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Covalent triazine framework with efficient photocatalytic activity in aqueous and solid media

Cyrine Ayed, Wei Huang, Kai A. I. Zhang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 397-404 doi: 10.1007/s11705-019-1884-2

Abstract: range of the application media of CTFs and design hybrid material of a CTF and mesoporous silica (SBA-15A thiophene-containing CTF was directly synthesized in mesopores of SBA-15.

Keywords： photocatalysis     covalent triazine framework     aqueous medium     SBA-15     solid state    

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Title Author Date Type Operation

Experimental investigation on freeze−thaw durability of polymer concrete

Journal Article

Symbiotic performance, shoot biomass and water-use efficiency of three groundnut (

Sofiya K. MUHABA, Felix D. DAKORA

Journal Article

Asymmetric transfer hydrogenation of prochiral ketone catalyzed over Fe-CS/SBA-15 catalyst

XUE Ping, WU Tao

Journal Article

GDF15 negatively regulates chemosensitivity via TGFBR2-AKT pathway-dependent metabolism in esophageal

Journal Article

Enhanced desulfurization performance of hybrid membranes using embedded hierarchical porous SBA-15

Ye Zhang, Jian Song, Josue Quispe Mayta, Fusheng Pan, Xue Gao, Mei Li, Yimeng Song, Meidi Wang, Xingzhong Cao, Zhongyi Jiang

Journal Article

A mini review on chemical fixation of CO 2 : Absorption and catalytic conversion into cyclic carbonates

Weili DAI, Chaktong AU, Shenglian LUO, Shuangfeng YIN,

Journal Article

Beneficial metabolic activities of inflammatory cytokine interleukin 15 in obesity and type 2 diabetes

Jianping Ye

Journal Article

Oxidation-extraction desulfurization of model oil over Zr-ZSM-5/SBA-15 and kinetic study

Chuanzhu LU,Hui FU,Huipeng LI,Hua ZHAO,Tianfeng CAI

Journal Article

DUT15QY20, DUT15TD29, and 3132016029), and the Prospective Research Project on Future Networks from Jiangsupresented at the IEEE/CIC International Conference on Communications in China, Shanghai, China, Oct. 13–15

Peng XIAO,Zhi-yang LI,Song GUO,Heng QI,Wen-yu QU,Hai-sheng YU

Journal Article

Duality of Thinking and Turning It Into Creative Thinking Commemorating Publication 15th Annual of on

Liang Guiming

Journal Article

Effects of ambient temperature on regulated gaseous and particulate emissions from gasoline-, E10- and M15

Rencheng Zhu, Jingnan Hu, Liqiang He, Lei Zu, Xiaofeng Bao, Yitu Lai, Sheng Su

Journal Article

Valveless pumping using a two-stage impedance pump

C.-C. LEE, Y. A. ABAKR, K.-C. WOO

Journal Article

Design of GPRS Data Terminal Based on S3C2410

Sun Xueyong

Journal Article

Bioinspired C/TiO

Jian LI, Likun GAO, Wentao GAN

Journal Article

Covalent triazine framework with efficient photocatalytic activity in aqueous and solid media

Cyrine Ayed, Wei Huang, Kai A. I. Zhang

Journal Article