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Table 2 Heavy metal concentrations in the iron tailings Heavy metals Pb[mg·kg-1] Cu[mg·kg-1] Cr[mg·kg-1] Zn[mg·kg-1] Ni[mg·kg-1] Mn[mg·kg-1] As[mg·kg-1] concentrations 172.1 38.45 16.42 1076 7.411 13388 3.150 Materials and Methods Soil Sampling.
Now, the key of soil environment management and pollution prevention work is to take dust controlling measures so as to prevent tailings spreading and inhibit further seriousness of soil pollution degree.
Specific measures include controlling pollution sources, increasing vegetation coverage, applying biological engineering methods.
Acknowledgements This work was financially supported by the National Key Technology R & D Program (2011BAC02B03), the National Natural Science Foundation of China (40861018), the Natural Science Foundation of Inner Mongolia, China (20080404MS0611) and the General Program of Post-doctoral Science Foundation of China (20100471489).
Yang: Engineering Science Vol. 2(4) (2000), p. 89 (In Chinese) [5] C.

Review of Physical and Chemical Properties of Perfluorooctanyl Sulphonate (PFOS) with Respect to Its Potential Contamination on the Environment Sheng ZHANG 1, a, David N Lerner 2,b 1 College of Water Resources and Civil Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China 2Groundwater Protection and Restoration Group, Kroto Research Institute, Department of Civil and Structural Engineering, University of Sheffield, North Campus, Broad Lane, Sheffield S3 7HQ, United Kingdom ashengzhang@imau.edu.cn, b d.n.lerner@sheffield.ac.uk Keywords: Perfluorooctanyl Sulphonate; physical and chemical properties; transport; degradation; ground water; environmental contamination Abstract Perfluorinated surfactants have emerged as priority environmental contaminants due to their detection in environmental and biological matrices as well as concerns regarding their persistence and toxicity.
If PFOS does bind to particulate matter the material would ultimately end up in the sediment.
A material safety data sheet for a current AFFF product states that the product contains one or more organic fluorochemicals that have the potential to resist degradation and persist in the environment.
Key, R.D.
Key, R.D.

Effect of Rolling-Remelting SIMA Process on Semi-Solid Microstructure of ZCuSn10 Alloy Jia Wang1, 2, a, Dehong Lu1, b, Han Xiao1, c, Rongfeng Zhou1, d, Rong Zhou1, e, Longbiao Wu1, f 1 College of Materials Science and Engineering, Kunming University of Science and Technology, Yunnan Kunming, 650093, China 2 College of Mechanical Engineering, Sichuan University of Science & Engineering, Sichuan Zigong, 643000, China awangjiayuting@163.com, bldhongkust@126.com, czztixh@163.com, dzhourfchina@hotmail.com, ezhourong@kmust.edu.cn, fwu.longbiao509 @163.com Keywords: ZCuSn10 alloy, SIMA process, pre-deformation, remelting, semi-solid microstructure Abstract.
Semi-solid metal forming is an advanced metal forming technology of 21th century in the field of materials forming [3-5].
Experiment Material and Methods Experiment Material.
Experiment material is ZCuSn10 alloy, chemical composition as follows (Wt%): 88.25%Cu, 10.48%Sn, 1.27% other impurities.
Acknowledgements The work has been supported by Applied Basic Research Key Project of Yunnan Province in China (Grant No. 2011FA007), Specialized Research Fund for Doctoral Program of Higher Education (Grant No. 20125314120013), Scientific Research Fund of Yunnan Provincial Education Department in China (Grant No. 2012Y543) and Development Research Fund from Sichuan University of Science and Engineering (Grant No. 2013PY05).

To illustrate the diversity of topics, a short cross section of research should be provided: For instance, a number of publications deal with disaster-resistant building design of engineered and non-engineered buildings in Indonesia (e.g. [7][8][9]).
The roof-cladding is made by black palm fiber, which is beside bamboo and hardwood the dominating material in the structures.
One of the most fascinating facts about the reconstructed Mbaru Niang houses is that - beside some water protection cladding on the bottom elements below the ground floor – all required building materials can be harvested in close vicinity to the town.
Thus, the buildings can be considered as lighthouse projects regarding environmental footprint, which might seem logical given that their principal concept was developed without having the possibility to deliver building materials from far distance.
Earthquake Resistant Design of Non-Engineered Buildings In Indonesia.

So the materials of the equipments need to be robust when there are extreme conditions.
Many survey respondents demonstrated that the durability of some materials does not perform well in severe conditions.
Many survey respondents demonstrated that the durability of some materials does not performance well in severe conditions.
So the materials of the equipments need to be robust when there are extreme conditions.
FHWA Hydraulic Engineering Circulars (HEC), 2001 [12] J.

Chloride penetration involves many materials and environment variables, some of which show much randomness.
Deterministic prediction methods often ignore the diversity of factors, discreteness of concrete materials and the complexity of environmental conditions.
The DuraCrete established database [19]; according to the type of cementitious materials and exposure conditions, the decay index m is given in the statistical distribution.
When cementitious materials are used such as fly ash and slag, the chloride diffusion coefficient attenuation is very significant.
Thesis in Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, 2001

Generating of STL Models of Plastic Part and its Effect on the Final Accuracy in Computed Tomography Michaela KRITIKOS SAMARDZIOVA1,a 1Slovak University of Technology, Faculty of Materials Science and Technology in Trnava, Jana Bottu 25, 917 24 Trnava amichaela.samardziova@stuba.sk Keywords: measurement, computed tomography, X – Ray, STL models, models accuracy Abstract.
The absorption also depends on the material.
Fig. 3 METROTOM 1500 Zeiss [6] It is equipment for nondestructive testing of parts made of plastic, ceramics or composite materials, as well as magnesium, aluminum and steel with detector magnification 2048x2048 pixels.
It is more difficult to scan materials with higher density.
APVV-16-0057: “Research into the Unique Method for Treatment of Cutting Edge Microgeometry by Plasma Discharges in Electrolyte to Increase the Tool Life of Cutting Tools in Machining of Difficult-to-Machine Materials.”

Introduction From last few decades researchers have keen interest on boundary layer flow due to its great impact in engineering applications; these are particularly, production of papers, reduction of drag, storage of grain, etc.
Gradients “of the key variables at the plate surface are important for engineering design considerations, in particular in materials processing.
Evidently the benefit of high temperature processing of materials is confirmed with radiative transfer contribution.
Series: Material Sci.
Ramana Reddy, Radiation and heat source effect on MHD flow over a permeable stretching sheet through porous stratum with chemical reaction, Multidiscipline Modelling in Materials and Structures. (2018).

The deposition is achieved by the consolidation of materials steadily fed into a laser generated melt pool to create a clad layer upon solidification and cooling.
Owing to the fact that laser processing has always resulted in a rapid cooling of the consolidated materials, a unique microstructure with non-equilibrium phases is often formed, which may be different from the microstructure of such material or combination of materials obtained via conventional processes.
Materials and Methods Experimental Setup.
Zheng, Characterisation of laser cladding WC-Ti composite coatings, Key Engineering Materials, 368-372 (2008) 1316-1318
Clare, Effect of carbide dissolution on the corrosion performance of tungsten carbide reinforced Inconel 625 wire laser coating, Journal of Materials Processing Technology, 231 (2016) 89-99

Experiments Materials.
Result and Discussion Characterization of Materials.
Diffractogram pattern of the synthesized materials.
FTIR characteristic peaks of synthesized materials.
Al-Muhtaseb, "A review of the features and applications of ZIF-8 and its derivatives for separating CO2 and isomers of C3-and C4-hydrocarbons," Journal of Natural Gas Science and Engineering, vol. 96, p. 104289, 2021