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Peter Kopcǎnský3,e, Veronika Gdovinova3,f 1Physical Department, College of Science, Baghdad University, Baghdad, Iraq, 2 Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq, 3Institute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovakia arabi942@yahoo.com, bSoudadbassam@gmail.com, crawak2070@gmail.com, daseelibrahim208@gmail.com, eKopcan@saske.sk, fgdovinova@saske.sk Keyword: Ferronematic (FN), Electro-Optic Properties, Rise Time, Fall Time, Response Time, Threshold Voltage Abstract: In this work we have studied the electro-optical effect of two types of ferronematic nanoparticles.
The difference in the two types of material that has been vaccinated led to different values of electro-optic properties because of the different susceptibility of materials.
We have noticed that the material SbSI was more responsive to the applied electric field due to the nature of the constituent material (electric material) than the Fe3O4 ferromagnetic.
Jadzyn , “The structural transitions in 6CHBT-based ferronematic droplet” , Journal of Physics, vol.20,(2008) , p.1
Kaszynski, “an assessment of carborane-containing liquid crystals for potential device application” , Organic Materials Research Group, J.

To date, clinical applications of bioactive glasses are limited to those materials synthesized by melting processes.
Mansur: Journal of Material Science Vol.43 (2008), p. 494-502
Wang: Materials Letters Vol. 59 (2005), p. 3267-3271
Nahrawi: Journal of Sol–Gel Science and technology Vol. 41 (2007), p. 129–137
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It is noteworthy that smartphones have not only a fundamental influence on machine vision itself but also on science, education and training in the fields concerned.
Smartphones have an enormous conceptual and structural influence also on the re-invention of measurement engineering & quality assurance in science, education, training and application [Journal of Physics: Conference Series 238 (2010) 012006 pp 1-6].
Smartphones for Science, Education and Training in Green Vision The fundamental tasks of science are to discover new relationships.
This can be most convenient accomplished by Smartphones with · open access to general knowledge · open access to special knowledge, · fast publication of full-text material · visual presentation of facts/experts in videos · safe archiving in cloud computing storage · unlimited blogging and video conferencing A practical example for fast publication of full text is the IOPscience express for iPhone, iPod Touch or iPad.
That is an attractive option for reducing the cost and infrastructure that burdens quality health care on society (Fig. 2-3) [www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0017150].

With limited supplies of autograft material and the immune reactions associated with allograft material there is a clear demand for synthetic graft materials.
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Which makes it currently one of the hottest topics to improve the corresponding properties of polymers through the modification of inexpensive organic and inorganic materials[1-3].
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And the nano Fe3O4/LDPE composite materials with different mass percentage concentration of 0.25 to 1 percent were prepared by melt blending.
Introduction Compared to common polymers at the macro level, Inorganic nano composite polymer materials shows unexpected characteristics such as light, electricity，magnetism and thermal aspects and demonstrates broad application prospect.It has become a concerning research direction in material science [1, 2].At present, many scholars mainly make the cross-linked polyethylene and low-density polyethylene as the basic materials and make various preliminary dielectric property study based on several concentrations of different inorganic nano-composite materials.
[2] Wenjun Zou, Jin Peng, Yun Yang: Materials LettersVol.61(2007), p. 725-729
[6] Xia Cheng, Shaoqing Chen, Xia Wang: Insulating Materials Vol.41(2008):44-48,in Chinese
[10] Liqiu Chu, Yu Chen, Wenjuan Su: Polymer Materials Science and EngineeringVol.27(2011), p.39-42,in Chinese

In the reflective photoelastic experiment for orthotropic materials, the materials o f specimen are Copper Fiber Epoxy Composite (C.F.E.C.)[4], Epoxy resin was used as a co ating material.
ValueG 0° 0.400 1.109 [7] 1.189 0.0000 0.006 15° 0.375 1.040 0.944 0.256 0.267 30° 0.442 0.874 0.871 0.455 0.524 45° 0.417 0.573 0.533 0.531 0.585 Through the above results and discussions, we can verify that the reflective photoelastic experimental hybrid method for orthotropic materials is valid.
(2) We can obtain stress components and stress intensity factors of plane problems of various materials, such as isotropic material, orthotropic material and biomaterial from the isochromatic data of the coating material using the reflective photoelastic experimental hybrid method developed in this research.
Hahn, in: Introduction to Composite Materials, Technomic Publishing Company, Westport.(1980) [4] J.
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Materials and method Zinc nitrate hexahydrate and Hexamethylenetetramine reagents were purchesed from Sigma-Aldrich.
Abdullah, Annealing heat treatment of ZnO nanoparticles grown on porous Si substrate using spin-coating method, Advances in Materials Science and Engineering, 2014 (2014) 6
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Rouhi, The corrosion investigation of rebar embedded in the fibers reinforced concrete, Construction and Building Materials, 35 (2012) 564-570
Mahmodi, Enhanced optical and electrical stability of thermally carbonized porous silicon, Materials Science in Semiconductor Processing, 16 (2013) 542-546

The selection of these materials is highly dependent on their exceptional adsorption efficiency and the techniques applied, particularly when locally sourced materials are converted into adsorbents.
Materials and Method Materials.
Chitosan was extracted and composite nanoparticles were prepared from chitosan and clay materials.
Wright, Progress in carbon dioxide separation and capture, Journal of Environmental Science, 20(1) (2018) 14-27
Derriche, Adsorption of carbon dioxide by X zeolites exchanged with Ni2+ and Cr3+: isotherms and isosteric heat, Journal of Colloid and Interface Science, 278(1) (2021) 9-17

This can provide guidelines for selecting materials and methods to control riverbank erosion.
Live Staking Live stakes are stakes of woody plant materials that are capable of rooting with relative ease [7].
They can be used as materials for further river restoration.
Clem: submitted to Journal of Materials Research (2003) [6] Barker D.H., Watson A.J., Sombatpanit S. et al. 2004.
Science Publishers, Enfield, New Hampshire