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Ringroad Selatan, Kragilan, Tamanan, Banguntapan, Bantul 55191, Yogyakarta, Indonesia 2Department of Chemistry, Universitas Gadjah Mada, Bulaksumur, 55281, Yogyakarta, Indonesia *Corresponding author, E-mail:  a*nurulhidayah@tp.uad.ac.id, bpurwono.bambang@ugm.ac.id, cika.kumalasari@tp.uad.ac.id Keywords: Hydrazine Hydrate, Nitrochalcone, Pd/C, Phenyl Quinoline Abstract.
In drug discovery and development research, quinoline has been widely synthesized and developed because it has the most interesting framework structures with various biological and pharmacological activities [2].
The success of the synthesis of quinoline Q1 was supported by structure elucidation result using IR, GC-MS, and NMR.

Due to the randomness of material structure and chemical reaction process, it is not possible to set up a determined mathematical model to describe the whole process of corrosion.
There are different structure characteristics between product layer and matrix metal, as well as solution, and this difference will change the surface condition where the corrosion reaction takes place.
Journal of Electroanalytical Chemistry: Vol. 582(2005), p.267 [2] A.

Recently, tissue engineering technique containing drug delivery system (DDS) has been focused on and developed regenerating living tissue substitutes in order to replace or enhance lost tissue function and structure [12].
Elliot: Structure and chemistry of the apatites and other calcium phosphates (Elsevier, Amsterdam 1994)

Indeed, semi-solid processing provides new opportunities for these difficult-to-cast alloys due to the distinctive globular structure and the lower amount of contractions that the casting product undergoes during solidification.
Note that a complementary analysis of the chemistry effect on mechanical properties in rheocast 206 alloys, including fatigue properties, has already been reported in our previous paper [6].
This is probably due to the characteristic fine globular grain structure resulting from the SEED process.

Strek2 1 National Technical University of Athens, School of Chemical Engineering, Greece 2 Polish Academy of Sciences, Institute of Low Temperature and Structure Research Department of Excited States Spectroscopy, Wroclaw, Poland a gakianna@central.ntua.gr, bkakali@central.ntua.gr, cr.wiglusz@int.pan.wroc.pl Keywords: Lanthanum cobaltites, Strontium doping, Polymeric precursor route, Microwave heating, Conductivity Abstract.
Calcination at higher temperatures leads to the evolution of grain size without altering the crystal structure of the products.
Yoshino and T.Matsui, Journal of Solid State Chemistry 181 (2008), p. 3145 [14] J.

The system consists of the three main components, including standard numbering structures, data carriers (usually a barcode) and e-messaging standards.
The standard numbering structures are the core of the system and unify the identification of goods and locations.
Claude Cheftel: Food Chemistry, Vol. 93 (2005), p.531–550

Ammoxidation of 3-Picoline over V2O5/TiO2 Catalysts: Effects of TiO2 Supports on the Catalytic Performance Fumin Zhanga, Fei Chenb, Qiang Xiaoc, Yijun Zhongd and Weidong Zhue Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, P.
However, the diffraction peaks corresponding to pure V2O5 crystals at around 20, 31, and 41o are observed in the V2O5/TiO2(Sigma) catalysts, in which the V2O5 loadings are higher than 5 wt.%, indicating that a part of V2O5 inevitably deposit on the surface of TiO2(Sigma) in the form of polyvandates structures [27] and V2O5 crystallites [8] and the sizes of the formed polyvandates and V2O5 crystallites are large enough to be detected by XRD.
On the other hand, at low V2O5 loadings (< 5 wt.%), the absence of the characteristic peaks of V2O5 crystals indicates that the supported vanadium oxides are present in a highly dispersed amorphous state probably in the form of highly active monomeric VO4 units and two dimensional (V–O–V) structures [28–30], which seem to be responsible for the selective ammoxidation of 3-picoline to 3-cyanopyridine.

These structures are placed inside or on the surface of polymer nanofibers made, for example, of polyacrylonitrile.
The layered structure of nanometric GO sheets arranged on top of one another is clearly visible in the Figures 2a, b [62], [72].
Correa, Electrospinning-based (bio)sensors for food and agricultural applications: A review, TrAC - Trends in Analytical Chemistry, vol. 91 (2017) 91–103
Zhou, From nano to micro to macro: Electrospun hierarchically structured polymeric fibers for biomedical applications, Prog.
Chen, Electrospinning of polymer nanofibers: Effects on oriented morphology, structures and tensile properties, Compos.

A porous spherical structure is seen in these images and the pore size is from 30 to 40 nm.
Influence of Fluorine Incorporation into Hydroxyapatite Fig. 7 shows the probable substitution of F- ions into HAp structure.
It has been suggested that surface chemistry plays an important role in this process [42] and even the functional groups of materials have a significant effect on the bone bonding property.
XRD, FT-IR, and XPS analyses confirm the incorporation of fluorine into the apatite structure.
Adaptative physico-chemistry of bio-related calcium phosphate.

Hultman1, g 1 Thin Film Physics Division, Department of Physics (IFM), Linköping University, Linköping, SWEDEN 2 Department of Materials Chemistry, The Ångström Laboratory, Uppsala University, Uppsala, SWEDEN 3 Kanthal AB, P.
The layered structure characteristic for the MAX phases is revealed.
In the Ti-Ge-C film these peaks, all (000ℓ) reflections, originate from the phase Ti3GeC2 as well as the intergrown structure Ti5Ge2C3.
This value is slightly larger than the 18.5 Å obtained by considering the atomic distances in the structure.
The mechanical properties of the MAX phases are highly reflected by the anisotropy in the crystal structure.