Publisher: Science and Education Publishing   (Total: 75 journals)   [Sort by number of followers]

Showing 1 - 75 of 75 Journals sorted alphabetically
American J. of Applied Mathematics and Statistics     Open Access   (Followers: 10)
American J. of Applied Psychology     Open Access   (Followers: 50)
American J. of Biomedical Research     Open Access   (Followers: 2)
American J. of Cancer Prevention     Open Access   (Followers: 7)
American J. of Civil Engineering and Architecture     Open Access   (Followers: 40)
American J. of Clinical Medicine Research     Open Access   (Followers: 5)
American J. of Educational Research     Open Access   (Followers: 62)
American J. of Electrical and Electronic Engineering     Open Access   (Followers: 26)
American J. of Energy Research     Open Access   (Followers: 7)
American J. of Environmental Protection     Open Access   (Followers: 4)
American J. of Epidemiology and Infectious Disease     Open Access   (Followers: 14)
American J. of Food and Nutrition     Open Access   (Followers: 46)
American J. of Food Science and Technology     Open Access   (Followers: 3)
American J. of Infectious Diseases and Microbiology     Open Access   (Followers: 23)
American J. of Information Systems     Open Access   (Followers: 4)
American J. of Materials Engineering and Technology     Open Access   (Followers: 3)
American J. of Materials Science and Engineering     Open Access   (Followers: 7)
American J. of Mathematical Analysis     Open Access   (Followers: 1)
American J. of Mechanical Engineering     Open Access   (Followers: 64)
American J. of Medical and Biological Research     Open Access   (Followers: 3)
American J. of Medical Case Reports     Open Access   (Followers: 1)
American J. of Medical Sciences and Medicine     Open Access   (Followers: 2)
American J. of Medicine Studies     Open Access   (Followers: 3)
American J. of Microbiological Research     Open Access   (Followers: 4)
American J. of Modeling and Optimization     Open Access   (Followers: 2)
American J. of Nanomaterials     Open Access   (Followers: 6)
American J. of Numerical Analysis     Open Access   (Followers: 1)
American J. of Nursing Research     Open Access   (Followers: 5)
American J. of Pharmacological Sciences     Open Access   (Followers: 1)
American J. of Public Health Research     Open Access   (Followers: 30)
American J. of Rural Development     Open Access   (Followers: 5)
American J. of Sensor Technology     Open Access   (Followers: 2)
American J. of Sports Science and Medicine     Open Access   (Followers: 39)
American J. of Water Resources     Open Access   (Followers: 10)
American J. of Zoological Research     Open Access   (Followers: 4)
Applied Ecology and Environmental Sciences     Open Access   (Followers: 29)
Applied Mathematics and Physics     Open Access   (Followers: 3)
Automatic Control and Information Sciences     Open Access   (Followers: 4)
Biomedical Science and Engineering     Open Access   (Followers: 5)
Chemical Engineering and Science     Open Access   (Followers: 58)
Intl. J. of Celiac Disease     Open Access  
Intl. J. of Dental Sciences and Research     Open Access   (Followers: 1)
Intl. J. of Econometrics and Financial Management     Open Access   (Followers: 4)
Intl. J. of Physics     Open Access   (Followers: 10)
Intl. Transaction of Electrical and Computer Engineers System     Open Access   (Followers: 2)
J. of Automation and Control     Open Access   (Followers: 10)
J. of Biomedical Engineering and Technology     Open Access  
J. of Business and Management Sciences     Open Access  
J. of Cancer Research and Treatment     Open Access   (Followers: 3)
J. of Computer Networks     Open Access   (Followers: 6)
J. of Computer Sciences and Applications     Open Access  
J. of Environment Pollution and Human Health     Open Access   (Followers: 3)
J. of Finance and Accounting     Open Access   (Followers: 8)
J. of Finance and Economics     Open Access   (Followers: 13)
J. of Food and Nutrition Research     Open Access   (Followers: 9)
J. of Food Security     Open Access   (Followers: 2)
J. of Geosciences and Geomatics     Open Access   (Followers: 1)
J. of Materials Physics and Chemistry     Open Access   (Followers: 7)
J. of Mathematical Sciences and Applications     Open Access   (Followers: 2)
J. of Optoelectronics Engineering     Open Access   (Followers: 5)
J. of Physical Activity Research     Open Access   (Followers: 3)
J. of Polymer and Biopolymer Physics Chemistry     Open Access   (Followers: 7)
Materials Science and Metallurgy Engineering     Open Access   (Followers: 8)
Nanoscience and Nanotechnology Research     Open Access   (Followers: 21)
Physics and Materials Chemistry     Open Access   (Followers: 1)
Research in Plant Sciences     Open Access  
Research in Psychology and Behavioral Sciences     Open Access   (Followers: 2)
Sustainable Energy     Open Access   (Followers: 2)
Turkish J. of Analysis and Number Theory     Open Access  
Wireless and Mobile Technologies     Open Access   (Followers: 4)
World J. of Agricultural Research     Open Access  
World J. of Analytical Chemistry     Open Access   (Followers: 3)
World J. of Chemical Education     Open Access   (Followers: 2)
World J. of Environmental Engineering     Open Access   (Followers: 1)
World J. of Organic Chemistry     Open Access   (Followers: 5)
Similar Journals
Journal Cover
Journal of Materials Physics and Chemistry
Number of Followers: 7  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2333-4436 - ISSN (Online) 2333-4444
Published by Science and Education Publishing Homepage  [75 journals]
  • The Elastic Properties of FemnP1−X Ax (A= Si, Se, Sn, In, x = 0.33)
           Materials: A DFT Study

    • Authors: Anne Mwende Thirika; Winfred Mueni Mulwa, Nicholus Wambua Makau, Adentuji Bamidele Ibrahim
      Pages: 10 - 16
      Abstract: Hexagonal Fe2P-type magnetocaloric materials have been attracting a lot of research interest lately as a result of their promising application in magnetic refrigeration. These materials work under repeated magnetic and thermal cycles which results to large local strains in the polycrystalline samples and so they need to be mechanically stable across the phase transition. Hence, there is a need to conduct extensive investigations in order to obtain materials which may have better performance in magnetic refrigeration. In this study the elastic properties of FeMnP1−x Ax (A= Si, Se, Sn, In, x = 0.33) were investigated using first principles density functional theory within the generalized gradient approximations as expressed in Quantum Espresso code. The work conclusively shows that FeMnP0.66 In0.33 has the highest Poisson’s ratio, Pugh’s and machinability index hence most ductile of the selected materials. Moreover, it had the highest anisotropic ratio further proving that of the four compounds, it is the most suitable for sustainable operation as a magnetocaloric refrigerant.
      PubDate: 2022-01-23
      DOI: 10.12691/jmpc-10-1-2
      Issue No: Vol. 10, No. 1 (2022)
       
  • Study on the SiO2/Al2O3 Ratio of Starting NaY Zeolites on USY Zeolites
           Properties and Hydroaromatization Catalyst Performance

    • Authors: Fucun Wang; Zhongyang Zhang, Baodong Jin, Baojing Cui, Baojun Jia, Famin Sun, Tiezhen Zhang, Jinling Zhu
      Pages: 17 - 22
      Abstract: The modifications of NaY zeolites with different SiO2/Al2O3 ratio were carried out, the results revealed that modified USY zeolites showed some mesopores, as the SiO2/Al2O3 ratio of USY increased, the weak acidity strength of USY had little change, medium and strong acidity strength of USY decreased, the weak acidity and medium-strong concentration decreased.The selective ring opening evaluation of tetralin revealed that hydro-upgrading catalyst with different USY zeolites had different tetralin conversion, different yield and selectivity of ROP. The catalyst prepared with USY zeolite modified from NaY with the SiO2/Al2O3 ratio of 5.7 showed best hydro-upgrading performance, which had higher tetralin conversion, higher yield and selectivity of ROP. Acidity and Si/Al ratio of USY zeolites both were important factors affecting catalyst performance.
      PubDate: 2022-04-12
      DOI: 10.12691/jmpc-10-1-3
      Issue No: Vol. 10, No. 1 (2022)
       
  • Investigation of Thermochromic and Optical Properties of VO2 Thin Films
           Derived from Thermal Reduction of V2O5 Deposited on Graphene

    • Authors: Patrick Muvaka; Waweru Mugo, Richard Ongeri, James Ngaruiya
      Pages: 23 - 26
      Abstract: Vanadium dioxide has been of interest for thermochromic smart windows to control the near infrared radiation (NIR), but suffers limitations due to high transition temperature, low luminous transmittance and low solar modulation ability. In this paper, we report on low switching temperature and improved balance between luminous transmittance and solar modulation ability of VO2 derived from thermal reduction of sol-gel deposited vanadium pentoxide (V2O5) on graphene. Thermal reduction of vanadium pentoxide (V2O5) was done in an innert atmosphere of flowing argon gas under normal atmospheric pressure. The optical properties of thermally reduced films were investigated using UV-VIS-NIR spectrophotometer while transition temperature was determined by measuring sheet resistance as a function of temperature. The films revealed semiconductor to metal transition after investigation. An analysis of transmittance showed an improved NIR switching efficiency of 46.86% for VO2 on graphene compared to 41.79 for VO2 on bare glass. Resistance drops corresponding to 2 and 3 orders of magnitude for VO2/glass and VO2/graphene /glass respectively were realized. VO2 film on graphene/glass substrate had a transition temperature of 55.4 oC lower than 61.2oC for VO2 on bare glass substrate. The low Semiconductor-Metal Transition (SMT) temperature and the enhanced trade-off between luminous transmittance and solar modulation ability are noted to emanate from the increased crystallinity and nano-scale crystallites of VO2 films enhanced by graphene matrix. The results reveal that graphene enhanced solar modulation ability and lowered transition temperature through structural ordering and nanoscale reduction of VO2 crystallites.
      PubDate: 2022-04-27
      DOI: 10.12691/jmpc-10-1-4
      Issue No: Vol. 10, No. 1 (2022)
       
  • Description of the Mechanical Behavior of Mortars Made out of Coconut
           Fibers and Rice Straw Treated with Homemade Solution

    • Authors: Ange Christine DJOHORE; Conand Honore KOUAKOU, Koffi Clement KOUADIO, Aka Alexandre ASSANDE, Edjikeme EMERUWA
      Pages: 27 - 35
      Abstract: In recent years, the trend in the construction industry has been to gradually replace conventional materials by composite materials. In the same vein, this study suggests the addition of fibers in a mineral matrix in order to change the brittle behavior of a material in ductile behavior. It can be said, from the stress-strain curves of mortars in bending and compression tests made during this study that mortar strength increases with the fiber content up to 0.8%. The strength decreases beyond this rate. Likewise, the flexural strength of mortars containing treated fibers with potassium solution increases as the pH of the solution increases. But mortars containing treated fibers with high pH solutions (> 10) break faster than those containing treated fibers with lower pH solutions. Compared to mortars without fibers, the properties of mortars containing fibers treated with banana tree solution are excellent.
      PubDate: 2022-07-17
      DOI: 10.12691/jmpc-10-1-5
      Issue No: Vol. 10, No. 1 (2022)
       
  • Theoretical Study on Imidazopyridinyl-chalcones based Dimers Mechanism of
           Formation Using Quantum Chemistry Methods

    • Authors: Bibata KONATE; Sopi Thomas AFFI, Doh Soro, Kafoumba BAMBA, Nahossé ZIAO
      Pages: 1 - 9
      Abstract: Imidazo[1,2-a]pyridinyl-chalcones (IPCs) offer a broad spectrum of biological activities with molecular diversity possible by synthesis. Two potential reactive sites were identified within their basic molecular skeleton from which obtaining dimers by synthesis is possible. In this study, at the level B3LYP/6-311G(d), work focused on elucidating both the mode of bond formation between the two reactive sites and the concerted course of dimerization reaction in the IPC series according to the concepts and tools of transition state theory. Four substituted IPC molecules with stronger nematicidal activity were used in addition to the unsubstituted IPC molecule as monomers. Calculations performed on each initial reactive system modelled using two IPCs led to a unique transition structure in each case. Molecular dimerization in IPC series was found to follow a one-step reaction mechanism. It involved the formation of two covalent bonds, C5–C14׳, and C14–C29׳. The stabilization of the second bond was faster than the first which, moreover, required less energy for establishment. Analysis of bond lengths confirmed the stability of the bonds formed. The energy parameters and the characteristics of the reaction path proved the stability of the dimers envisaged with respect to the reagents used. The path of dimerization reaction in the IPC series was found to be substitution independent but the activation energies depended on the overall nucleophilicity of monomers.
      PubDate: 2021-12-09
      DOI: 10.12691/jmpc-10-1-1
      Issue No: Vol. 10, No. 1 (2021)
       
 
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