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Defying his father's wishes he studied natural sciences, developed a strong interest in chemistry and became professor of chemistry in 1830 at the Andersonian Institute (now Strathclyde University) in Glasgow.
Graham is one of the founders of physical chemistry and he discovered the medical method of 'dialysis'.
Arrhenius got a doctorship in chemistry in Uppsala, Sweden, in 1894.
Arrhenius was awarded the Nobel prize in chemistry in 1903.
He became an energetic advocate for the reality of atoms and received the Nobel prize in physics 1926 '... for his work on the discontinuous structure of matter ...'.

The amazing mechanical and electronic properties of CNTs stem in their quasi-one dimensional (1D) structure and the graphite-like arrangement of the carbon atoms structure.
Structure of fibrous carbon[J]. 1971
Chemistry & Physics of Carbon[M].
The production and structure of pyrolytic carbon nanotubes (PCNTs)[J].
Journal of Physics and Chemistry of Solids, 1993, 54(12): 1841-1848

The specific surface areas, porosity, surface chemistry are the main factors affecting the oil sorbent capability.
In addition, the surface modification can further improve its oil adsorbent performance by tuning the adjustable surface chemistry.
Therefore, the preparation of carbon foam composites with hierarchical structure will enhance and/or expand the application range of carbon foam.
Results and discussion The synthesis strategy for the fabrication of CNTs/CF hierarchical structures is illustrated in Fig. 1a.
Obviously, the carbon foam composite material becomes a more compact structure compared with the original CFs (Fig. 1c).

For example, 230 alloy has a finer grained structure which promotes fatigue strength with a slight sacrifice in creep strength.
The 617 alloy has a coarser grain structure which provides slightly higher creep resistance while sacrificing some fatigue strength.
In this case the core structure is made of large amounts of graphite.
The chemistry for 617 listed in these national specifications is shown in Table 1.
See Table 1 for the specified chemistry of 230 alloy.

Bahtid Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jalan Raya Bandung-Sumedang Km.21, Jatinangor, Sumedang, Indonesia.
In addition, XRD-patterns indicates the typical cubic structure of Dy2O3-nanoparticles with the estimation crystal size of 45.47 nm.
X-Rays Diffractometer (XRD Bruker D8 Advance) was carried in order to obtain the XRD patterns of nanoparticles structure including their morphology and particle size.
Mehta, Biosynthesis driven dysprosium oxide nanoparticles as a sensor for picric acid, Current Research in Green and Sustainable Chemistry, 4 (2021) 100080
Escaleira, Response surface methodology (RSM) as a tool for optimization in analytical chemistry, Talanta, 76 (2008) 965–977

The effects of TEA CO2 laser radiation on AISI 420 stainless steel and formed surface structures are studied.
B1,C1,D1, (ii) formation of corrugated surface structure in the central part of irradiated area (Fig. 2.
SEM analysis, Fig. 3 A2, confirms that laser action on the sample produced nano-, i.e. submicron structures.
These structures typically appeared after action of more than 100 laser pulses (at the crater bottom).
[10] Dieter Bäuerle, Laser Processing and Chemistry, Springer, Berlin, 2000.

Glass network structure.
[TeO3] triangular pyramid structure was the main network structure in TeO2-AlF3-LaF3-ZnO/ZnCl2/ZnF2 fluorine tellurite glass, [TeO4] double triangular pyramid structure almost entirely converted into [TeO3] triangular pyramid structure, and the introduction of ZnF2, ZnF2 made absorption peak of [TeO3] group shift obviously to higher frequency.
Journal of Physics and Chemistry of Solids 67 (2006) 725-731
Hu, Properties and structure of TeO2-AlF3 fluorotellurite glass.
Xie, et al., Structure and crystallizing properties of TeO2-BaO/ BaCl2 glass.

On the other side, this stable structure in vivo, becomes unstable in the ex vivo conditions.
In addition, their capacity to be structured in micro-spheres and included in lipid micro-vesicles indicates them as good biomimetic lubricants.
But, this structure has a low stability in ex-vivo conditions.
For HA the apparition of rolls-like structures in contact was observed also in bright field and in fluorescence as shown in fig. 3C and 3D.
Berthier, Role of the biomolecular interactions in the structure and tribological properties of synovial fluid.

Ferro*** *"La Sapienza" University of Rome, dep . of Chemistry , p.le Aldo Moro 5, Rome ** La Sapienza" University of Rome, dep .
ICMA, via Eudossiana 18, Rome *** CNR-ISMN, Co dep of Chemistry, P.le A.
Figure 8 shows the cross section of specimen exposed to SO2-humidity atmosphere for 10 cycles after a chemical etch with FeCl2 carried out in order to reveal the metallurgical structure of the alloy and the interaction between structure and corrosion pit.
Pits are usually full of a corrosion products whose structure is characterized by a wide web of microcracks.
Rice, in corrosion Chemistry American Chemical Society, Washington DC (1979)

The ceramic brick sintering occurs with the participation of a liquid phase, on the properties of which the material structure formation largely depends [18].
Naginskii, Modern Building Materials Using Waste from the Dismantling of Buildings and Structures Materials Science Forum Trans Tech Publications Ltd.
Egereva, Changes in the porous structure of facade tiles during testing for frost resistance, Tr.
Kukolev, Chemistry of silicon and physical chemistry of silicates, M: high school. (1966) 250
Serbin, Physical chemistry of silicates.