That interprets the reason that acicular
particles possess some metallic element.
Taking into account the outcomes from the previously-mentioned testing with test pieces, the double-phase structure having the acicular
structure which excels in the creep resistance in the valve head and the equiaxed structure in the valve stem and stem end is employed in this study.
When solidification rates are relatively slow, the silicon in the eutectic possesses a coarse acicular
Procedimiento para modificar el habito de cristal de un cristal de farmaco acicular
que comprende suspender dicho farmaco cristalino en un sistema de solvente, que tiene efecto sobre el habito de cristal y someter dicha suspension a oscilacion de temperatura, en donde dicha fuerza de esfuerzo constante (reivindicacion 1).
Sepiolite has acicular
form and their average length is around 1.
In the Zaluch Nala section different diagenetic events like early pyrite precipitation micrite envelopes and some early marine cement like acicular
and fibrous cements are common.
8), as well as most of the pores of the platy, planar and acicular
classes, which may be similar to the fissural pores (Castro et al.
The increase in UTS of the fourth repair compared with the third repair due to accumulation of Mn and formation of acicular
0 mm) occurs in some SC FDE lavas, showing an undulated extinction and sometimes reaction rims of acicular
Pumice is a volcanic rock formed during explosive volcanic eruptions of acidic and highly viscous magma; it is an extremely vesicular (vesicles are bubble-shaped openings formed by the expansion of entrapped gases), frothy, natural glass having a high (60-75%) silica content and very low density that in some cases float on water; it consists of fragile acicular
glass and minerals (in particular, feldspars).
It usually occurs as rhombohedral crystals developing interpenetration twinning (Figures 6c-6d) In other cases, it has a pseudocubic habit in which angles between their faces are closer to right angles (Figures 6e) Figure 6f gives an example of complexly-twinned (phacolitic) chabazite crystals, showing streaks parallel to the edges of the crystal Natrolite occurring as groups of randomly oriented acicular
crystals associated with trapezohedral analcime crystals is illustrated in Figure 6g Nontronite occurs as fine-grained random aggregates of flaky crystals along with trapezohedral analcime crystals (Figure 6h).
2), en laderas de derrubios muy sueltos, afectadas por crioturbacion, con coluvios, en general con hielo acicular
, con pendientes de 50[degrees] a 80[degrees] y exposicion al norte, entre los 1900 y 2250 m.
10, we could discover there are lots of acicular
spinules extending outward at the edge of each bristle; and the longer of the bristle, the more and more intensive of these spinules.
2, it is shown, that the microstructure was composed mainly of coarse-grained acicular
ferrite and polyedric ferrite as well.
Specimens in this exceptional lot consist of picropharmacolite in tiny, white, spiky spheres of acicular
crystals to several millimeters, well scattered on matrix, typically over a pale orange-red druse of realgar and occasionally with transparent and colorless gypsum, yellow sulfur and/or white globular pharmacolite.