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For example, different densities, grain compositions, and sand saturation exhibit different characteristics in response to explosions.
(1) (2) (3) where ΔPm is the overpressure from the explosion, R is the distance from the explosion, and Q is the number of explosives.

The blue oily liquid was added the absolute alcohol for several times repeatedly, it turned into fine grained shapes finally and kept in a vacuum desiccator.
And the conductivity of the compound depends on the number of water molecules.

With the number and size of the pores increased, the bending strength of ceramic cores will decrease.
Mullite fiber during 1540℃ high temperature strength test showed a certain amount of shrinkage, which was due to fiber internal grain grew up obviously, shown as Fig.5.

Type of Concrete Mixes (1) Natural group (N): virgin sand and stone were used as coarse and fine aggregates, respectively; (2) Waste concrete as recycled aggregate from construction sites (Waste Concrete, WC, Figure 1): waste concrete from construction sites was crushed as recycled concrete grains to replace virgin coarse aggregates.
The plan serial number is NSC 94-2211-E-166-007.

Most building materials for civil and special construction are heterogeneous multiphase composites made of continuous phase (“matrix” formed of “matrix material”) and a number of discontinuous (“disperse”) phases – fine and crude powders (“fillers” and “aggregates”), short fibers etc.
This leads to the formation of fine-grained structure of mortars, which is characterized by high strength.

The particle size of used clinker was d50 = 8.07 μm, d90 = 39.30 μm, d99 = 70.15 μm (the numbers mean the percent (50 %, 90 % and 99 %) of particles smaller than this value).
Portland clinker with calcium sulphate: Ettringite is formed as a protective layer on the surface of grains.

Investigated its reason, deposition rate is improved with raising SnCl4 concentration and then the coating thickness increases, as well as the deposit sites grow in number, which causes that the celluar deposited particles become smaller and the film thickness also increases.
Ni-Sn-P alloy the surface morphology of deposits is cystiform structure, smooth, the grain of crystal and good properties.

., purity of 99.99 %, average grain size of about 4 μm).
As is visible, the coating thickness is approx. 450 μm, coating contains number of pores and there is significant borderline between substrate 16Mo3 steel and NiCrRe coating.

The wrought CoCrMo alloys exhibit superior mechanical and chemical properties compared with the cast alloys due to a finer grain size and more homogenous microstructure [6].
However, in order to have similar microstructure as natural bone, the number of closed pore should be minimized.

A minimum number of five specimens were tested for each experimental condition. 2.2 Sample machining.
As shown in figure 2, the white phases are ZrB2, the gray phase is SiC, but relatively small carbon black particles attached to grain boundary are not easily observed in the micrograph.