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Table 3 As-consolidated densities and Knoop hardness numbers of the experimental alloys (1) Material Density [g/cm3] KH1 polished surface abraded surface Fe-Ni 7.91-7.96 271 ± 33 370 ± 34 Fe-Mn 7.71-7.72 287 ± 18 378 ± 44 (1) scatter intervals estimated at 90% confidence level Table 4 Chemical analysis, resistance to abrasion and phase compositions of the experimental alloys Material Content of Abrasive Index Ai (1) [mm/20m] Percentage of austenite [V(gFe)] (2) oxygen [wt.%] carbon [wt.%] As-polished condition As-ground condition Fe-Ni 0.48 0.60 22.0 ± 3.1 82.6 11.7 Fe-Mn 0.66 0.64 22.1 ± 3.9 64.2 59.4 Co-20%WC - - 33.6 ± 8.2 - - (1) scatter intervals estimated at 90% confidence level (2) estimated assuming that V(aFe) + V(gFe) = 100% (no account taken of other phases) Fig 3.
As seen in Figs 3 and 4 both alloys display non-uniform, fine-grained microstructure.

In the experiment, the paraffin and the corn grain with the diameter 3 mm are respectively used to simulate DRI, coke and lump coal.
The discharge rate is determined based on the practical melting rate; the blast volume is decided by the Froude number [9,10]; the blast temperature is obtained based on the mass balance and the heat balance.

Adjustable and the ratio is each kind of aesthetic to the show to two different contradiction movement state grain structure at.
For example, the word of modification, the left and the right should be out of the empty white certain in a page, the word line number is generally not exceed 10 lines, each line in the 25 character in the title character, generally in 40 or 44, it shall not be less than the 20 or more than 32.

The injection molding process is a cyclical process, each cycle comprises several operations: feeding, melting and homogenization of polymer grains inside the plasticizing cylinder mold closing, injection under pressure of melt in mold's cavities and cooling or heating of polymer inside the mold, mold opening and ejection of molded piece.
With large number of layers time of computing increase rapidly on the other hand the results are more accurate.

Quartz sand with a maximum grain size of 2.5 mm was used as aggregate.
Changes of a dominant frequency in impact-echo method towards lower values for all three specimens are not negligible and indicate that a large number of new inhomogeneities appeared in the tested specimens 72 hours after they were demoulded.

It is also seen that though the grains tend to become finer with the increase of Cr3C2 content and various phases are the most evenly distributed in the composition of 0.6% Cr3C2, which is consistent with the research by Yong Zheng [5] et al.
The research by Lin He et al [6] showed that Cr content is the most in the binder phase and the least in the hard phase and the number of Ti (C,N) particles decreases gradually from the binder phase and some Cr3C2 particle that are not totally dissolved are scattered in the binder phase and at the phase boundaries, thus refraining cracks, which is consistent with the conclusion that the KIC is the best in the composition of 1.2% Cr3C2.

Natural selection has favoured the evolution of a variety of shell adaptations in some groups of amoebas, e.g. in Diflugia, the shell is made of tiny sand grains cemented together in a kind of miniature upside-down vase; in Arcella, the shell is constructed from the chitin (protein-sugar compound); in Euglypha, thin siliceous plates are produced and deposited in the outer layer of the amoeba's body.
Conidiophores are reproductive structures that enable some filamentous fungi to produce and disseminate large numbers of asexual spores.

Introduction The study of porous medium has gained considerable momentum in last few decades because of its significant role in many scientific and engineering applications namely geothermal heat extractions, nuclear reactor waste disposal, heat exchangers, electronic components, solar energy storage technology, exothermic reactions in packed bed reactors, storage of grains, food processing, and the spread of pollutants underground etc.
, , , , , , , (4) Where , Ra, H and Kr are stream fuction, Rayleigh number, Inter-phase heat transfer coefficient and thermal conductivity ratio respectively.

Although the dominant intrinsic strengthening mechanism in typical Co-Cr-Mo alloys is secondary phase strengthening due to various precipitates [12, 13], the low number of those found in the SP2_AS sample is likely to have a very small effect on the mechanical properties.
The TEM investigation of the Ti64_AS sample (Fig. 3(b)), shows the α acicular microstructure which is typical of metal parts subject to high cooling rates [8], with a high density of dislocations inside the lamellar grains and rare twins.

Crop climate potential productivity estimate is the basis of enhancing grain comprehensive production ability, and it can provide important theoretical guidance for the agricultural productivity layout, agricultural structure adjustment and ensure the national food security.
At present, a large number of researches are based on a regional climate potential productivity’s time-space distribution characteristics.