The phrase "outer material" is correct and usable in written English.
It is usually used in the context of clothing, fabric, or other goods to refer to the outside surface of the item. For example, "The outer material of the jacket is made of cotton."
Each disc is composed of a relatively hard outer material filled with a softer jelly-like centre.
These jets then slam into the outer material of the star, creating extremely high temperatures and sending off gamma rays.
What's not to like?" When I put one on, I felt like Violet Beauregarde being rolled off to Wonka's juicing room by Oompa Loompas, but I could also understand the appeal: the chunky, sturdy zipper and the slick outer material that feels like a mollusk's shell; the coat's tranquillizing weight, like the bib you wear to get dental X-rays.
In the short wave (high frequency) limit the case (i) curves tend to the velocity of Rayleigh surface waves in the outer material, whilst the case (ii) curves asymptote the velocity of shear waves in the core.
It is shown that the frequency increase factor (defined as the ratio between the highest and lowest frequencies obtained for all inner and outer material combinations considered) is very sensitive to the geometric, heterogeneity and orthotropy parameters of the composite annular plates.
The rigid inner structure is made from colored Thermoplastic Elastomer (TPE) with a softer over-molded transparent TPE outer material.
The internal heat generation is considered constant but different for inner and outer materials.
For the outer layer, a mixture of 10 mg WSR-N80, 39 mg Ludipress® LC and 1 mg MS, half was put into the bottom of the die fitted with similar D-tooling but 6 mm diameter, the other half of the outer materials was filled after the inner core being placed into the center of the die.
If you wish, you can cut front patch pockets for the frock out of unused outer layer material and unused lining material.
SoFa lines are potentially attractive model systems in which to study how synaptic specificity and connectivity are achieved in the developing retinal neuropils – the outer (supplementary material Fig. S2A-D) and inner (supplementary material Fig. S2E-N) plexiform layers.
The outer column material is composed mainly of stoichiometric Ta2O5 mixed with small amount of Al2O3, while the innermost column material is tantalum monoxide with little content of boron species.
