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The other class of structures utilizes larger amounts of mismatched materials than allowed by the simple critical thickness criterion.
By proper choice of f (material choice, e. g.
Glossary on dislocation notions Dislocation theory was developed mainly with metals in mind [8,9] but later semiconductor heterostructure science used frequently this theoretical framework.
Prismatic dislocation loops cannot glide but they grow by climb which is favorable in brittle materials (Si and Ge at low temperatures, < 550°C) where point defects are mobile at rather low temperatures.
Details of the process are described and references are given in a separate paper of this journal [14].

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Studies of Porous Layer Formation in p-Si by Spectroscopic Ellipsometry J.
Numerous investigations were carried out for optical characterization of porous materials by spectroscopic ellipsometry (for a review of recent investigations, see [3]).
However, as a rule the main attention was paid to the porous materials with a removed surface layer, which has been formed during the chemical etching.
In each layer the volume fractions of materials were fixed and the void fraction fV relative to materials was an adjustable parameter.
Acknowledgements The work was partially supported by Lithuanian State Science and Studies Foundation (project C03046).

Therefore, PEEK is one of the most promising materials for precision-machined custom functional parts in mechanical elements for special situations such as chemical environment, non-magnetable requirement, and vacuum in space.
Researchers investigated tribological failures of PEEK materials under RCF (rolling contact fatigue) [3-7].
Briscoe, The tribology of Polymer Composite Materials, Advanced in Composite Tribology edited by K.
Kanemasu, Observation of crack propagation in PEEK polymer bearings under water-lubricated conditions, Advanced Materials Research, 566, (2012), 109-114
Ogura, The Society of Materials Science, Japan, 48, 10, (1999), 1090-1094

But DWI technology could lead to slightly higher fuel consumption rate .When using the high sulphur fuel ,the material of the combustion chamber and using a special nozzle should be considered.
There are many kinds of structures and materials of filter used to catch the particulate, for example the monolithic ceramics, the metal wire, the textile fiber, the ceramic fiber, and floamed ceramics and so on.
This work was supported by the National Natural Science Fund, "marine diesel engine SCR system reaction mechanism and the effect of excess oxygen" (51079035) and the project of “marine diesel engine emission control technology”.
Journal of Geophysical Research, 2005,110(D17): D17305-1-D17305-12
Combustion Science and Technology, 1955, 108(4/5/6):363-382

MATERIALS, EXPERIMENT, AND EQUIPMENTS Mold & cavity sensor.
Material property data for ABS-HI-121H from LG chemical Co. was supplied by Moldflow.
Young, Journal of Injection Molding Technology, Vol.1, No.3 (1997), p. 133~135 [2] J.
Barkan, Polymer Engineering and Science, Vol. 37, No. 11(1997), p. 1880~1891 [4] M.
Kamal et al., Polymer Engineering and Science, Vol. 27(1987), p.1403~1410

In general, water pollutants are divided into several categories namely oxygen demanding waste, infectious agents, plant nutrients, organic chemicals, inorganic elements and compounds, sediments, radioactive materials, and heat.
Table 1: Overall biomedia physical properties Type Material Shape Surface area Reactor Condition 1 PE Spherical 160 m²/m³ 7 Float 2 HDPE Netcaged 140 m²/m³ 3 Fixed 3 PP Brush 49.4 m²/m³ 1 Fixed 4 BCF Triple helix string >1.0 m²/m³ 5 Hanging 5 PE/PP Spherical 500 m²/m³ 4 Fixed 6 PVC Corrugated layer surface 243 m²/m³ 2 Fixed 7 PP Spike ball 129 m²/m³ 9 Float 8 Gravel - - 8 Fixed 9 Blank - - 6 - The water samples were collected from influent and effluent points and tested for pH, biochemical oxygen demand (BOD), chemical oxygen demand (COD), Ammonia Nitrogen (AN), total suspended solid (TSS), volatile suspended solid (VSS), total volatile solid (TVS) and dissolved oxygen (DO).
The Scientific World Journal, 2013
[17] Odegaard, H., Rusten, B. and Westrum, T. (1994) A New Moving Bed Biofilm Reactor; Applications and Results, Water Science and Technology, 29, 157
Water science and technology, 35(6), 71-79.

A stable isotope oxygen exchange technique ( 16O/18O exchange) was adopted to label the diffusion profiles in the oxides, and secondary ion mass spectrometry (SIMS) depth profiles were examined to determine the diffusion coefficients in the oxide ceramic materials.
Introduction Solid Oxide Fuel Cells (SOFCs) are composed of several kinds of functional ceramics and metals, which have several interfaces contact with different component materials.
Diffusion of oxygen at LaMnO3/Y2O3-ZrO2 interfaces under polarization Doped LaMnO3 is considered as candidate cathode materials for SOFCs because of its high catalytic activity for oxygen reduction, high electronic conductivity, and compatibility with electrolyte [1-15].
Oxygen diffusion in the oxide scale formed on alloy surface One of the critical issues on applying the alloy materials to SOFCs is the oxide scale formation on the surface [21-40].
Langvad, Journal of Materials Science 31 , 5077 (1996). 27.

Timoshenko, On the correction for shear of the differential equation for transverse vibrations of prismatic bars, Philosophical Magazine and Journal of sciene. 41 (6) (245) (1921) 744–746
Babich and others, Mechanics of structural elements, Mechanics of composite materials and structural elements: In 3 volumes; Vol. 2, Science Dumka, Kyiv, 1983
Aerospace Science and Technology. 98 (2020) 105651 https://doi.org/10.1016/j.ast.2019.105651
Khoma, Generalized theory of anisotropic shells, Science Dumka, Kyiv, 1986
Otrosh, Y.Krutii, Key Engineering Materials, Trans Tech Publications, ISSN: 1662–9795, 1005, (2024) 95–105 doi: 10.4028/p-g4lmiN https://www.scopus.com/record/display.uri?

Although a few synchronous mobile e-learning systems enable students to experience the video and presentation materials of a lecture in real time and real-time interaction with the lecturer, they still have the problem of not allowing students to navigate and re-experience the lecture session including video and slides with annotation.
Simon, Ubiquitous Presenter: Increasing Student Access and Control in a Digital Lecturing Environment, Proceedings of the SIGCSE Technical Symposium on Computer Science Education, pp.116-120 (2005)
Ibrahim, m-Learning: An experiment in using SMS to support learning new English language words, British Journal of Educational Technology, Vol.40, Issue 1, pp.78-91 (2009)

Whether can Gangnam Style replace Broadcast Gymnastics or not: the dialectical game between modern physical culture and traditional physical culture Hongyu Li1, aand Junyi Liu2,b 1Jilin University of Finance and Economics,Jilin, Changchun 130017 2Zhongxin Primary School attached to Northeast Normal University,Jilin Changchun,130017 a23984906@qq.com Keywords: Gangnam style；Broadcast Gymnastics；Modern physical culture；Dialectical game Abstract: Using the methods of documents and materials, the authors analysize the possibility of “Gangnam style" would replace the broadcast gymnastics and discusse the related questions about school physical education.
Technic innovation Journal. 2009,11:132-134
Physical Science.1993.57(5):29-30 [4] Li Xin, Li Lin.