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After decades during which the Soviet-owned and later Soviet-German stock company Wismut become the greatest uranium producer of the Eastern bloc and number three world-wide, the new mission assigned to Wismut GmbH was to properly decommission its former uranium mining sites and to rehabilitate the properties for future use.
The mill tailings ponds cover a cumulative surface of more than 570 ha and contain more than 150 million m³ fine-grained uranium mill tailings which were discharged as slurry via pipelines into these basins.

The Absorption edge of as-deposited and post-annealed N/C co-doped TiO2 films prepared under different negative bias Serial number Current(A) Pulse Negative Bias (V) Absorption edge(nm) (As-Dep/annealed1,2,3) 1# 60 0 510/537.5/550 2# 60 -150 500/546/546 3# 60 -300 525 4# 60 -450 520 5# 60 -600 540 3.
The film surface grain size decreased significantly with the bias increasing from 0V to -300V, which is corresponding to the XRD result, the crystal morphology become inconspicuously.

Characterization of electrocrystallization nucleation/growth process is usually performed by analyzing the cyclic voltammograms and the current transients obtained using chronoamperometry technique, and a number of different theoretical formalisms have been developed to identify the different nucleation process and different growth types.
A "current loop" in the -0.93 to -0.8V potential region following scan reversal is observed, and such current loop implies that the electrodeposition of CoNiFe alloy follows three-dimensional (3D) nucleation and grain growth mechanism.

It is a more perfect material which preserves its mechanical and chemical properties for a long time and can accept a large number of radioactive elements contained in radioactive wastes into the lattice.
The grain size ranges from 15 to 25μm.

A number of researches have been carried out, which include mixing NiFe particles with carbon nanofibers [8], filling Carbonyl iron and multi-walled carbon nanotubes in epoxy-silicone [9], filling Fe in carbon nanotubes [10], and so on.
Fig. 1(c) shows the magnetic materials grown in the carbon matrix with the average grain sizes of 400nm.

The number of chips can be produced on a 300mm wafer is roughly 2.5 times that of 200mm wafer higher than that of chip yield [2].
A case of lapping has mainly been known as material removal which is determined by compressing, scratch of polishing grain.

.So that they can show excellentperformance in many different fields[3-6].Many methods have been developed to synthesize CEMNPs[7-10].However,these routes were mainly focused on physical processes,which needhigh energy and intensivehardware.At the present time, sear ching for new strategies for fabrication of CEMNPs has been a hot topic in the field.With this manuscript in mind, a detonation method to prepare for CEMNPs will be reviewed in detail as well.Encapsulation of foreign materials within a graphitic cage was carried out for transition metals(Fe, Co, Ni) by using a detonation decomposition of composite explosives.T he yield of the detonation product obtained after separation and purification is about 10~15%. 2.Experimental Iron/cobalt/nickel nitrate, anhydrous alcohol, carbamide and pentaerythritol tetranitrate/ cyclonite powder (PETN/RDX) were used as received.All the chemical agents are analytical grade.The mixed precursors are consisted of a certain mole number
Raman shift/cm -1 Ni@C Fig.3 Raman spectra of the Fe@C,Co@C,Ni@C nanopaticles Table1 the RS spectra data for the CEMNPs Sample D-band G-band I(D)/I(G) Fe@C 1346 1598 1.08 Co@C 1369 1580 0.94 Ni@C 1351 1610 0.81 4.Conlusions The CEMNPs with the core/shell structure have been synthesized by a detonation technique using of the different composite explosives.Well crytallized bcc-Fe,fcc-Co and fcc-Ni nanocr ystal were coated in graphitic carbon with perfect core/shell structure and with a grain size in the range of 10-20nm.Both graphitic and amorphous carbon occured in the outsidecarbon shell layers that showed by Raman spectroscopy.So the different composite explosives were specially designed for synthesizing CEMNPs nanomaterials.

Method of abrasive belt grinding robot for aero-engine blade Aim at aero-engine blade structural characteristics, grinding material performance, and analyze grinding process requirement, combining with the high efficiency of abrasive belt grinding, low grinding force, low grinding temperature and good flexibility of the process [2], based on belt grinding robot method is put forward to realize the rough and finish machining aero-engine blade with different particle size grain.
The total transformation between the base and the hand of the robot is as follows: （1） Where n is the number of joints.

The selection of support depends on pore size, specific surface area, number of active sites and the value of point of zero charge (PZC).
Calcination temperature led to increase in the grain boundaries thus particle size increase as a function of calcination temperature.

One of the issues in terms of growth in local tourism is the occupation occurring on clifftops, which, in addition to coastal erosion (advancing coastline) has led to a number of problems for landowners, the government and the environment [2].
The Dunes are formed by windblown sediments (fine and medium-grained).