Sentences with phrase «different chemical compositions»

She's also testing different chemical compositions for the mold itself.

Although the U.S. hasn't banned BPA, consumers here have benefited from our Northern neighbor's efforts, as companies don't generally want to make product of different chemical compositions for similar markets.

«These two things have very different chemical compositions.»

Some of them are very small deviations, such as slightly different chemical compositions or slightly different concentrations of different kinds of crystalline defects.

Started a project using white milk paint over a very dark piece (bleed thru is not the problem), it's just a much different chemical composition (thinner coverage, even when mixing - in less water) and doesn't cover well, requiring a minimum of 4 coats (great for some projects, but not this one).

Also, some states and municipalities have banned BPA, so it'd be pretty tough for manufacturers to regionally offer products with different chemical compositions.

Cassiopeia A Just before it explodes as a supernova, a massive star is like an onion, with layers of different chemical compositions atop one another.

The basic concept should work with many different chemical compositions for the different parts of the battery, he says, but «we chose to demonstrate it with one particular chemistry, one that we understood from previous work.

«It's true of all planets that different age terrains have different chemical compositions because things are changing inside the planet,» Grove says.

Different parent populations, such as the Milky Way disk or halo, dwarf satellite galaxies or globular clusters, are known to have radically different chemical compositions.

According to the Wisconsin researchers, the observations are consistent with clouds of different chemical compositions existing side - by - side, although a more likely scenario is that the individual cloud particles are composed of two or all three of the materials.

Because he employs paints based on different chemical compositions, they interact with one another in unpredictable ways, producing accumulations that resemble everything from geological formations to the aftermath of industrial mishaps.

If that's true, moon rocks should have very different chemical compositions than Earth's.

Each run of the model began with a slightly different chemical composition — and thus a different range of densities — in the mantle at various depths.

Started a project using white milk paint over a very dark piece (bleed thru is not the problem), it's just a much different chemical composition (thinner coverage, even when mixing - in less water) and doesn't cover well, requiring a minimum of 4 coats (great for some projects, but not this one).

From mountain salt lakes in Tibet or in Utah, lakes in the Siberian tundra or the Chinese Gobi dessert to temporary lakes in Iraq and South America, brine shrimp have colonized a wide variety of waters of different chemical composition.

Older soot, Jacob notes, has reacted with other airborne compounds and thus has a different chemical composition than fresh soot.

But even these stars tend to have different chemical compositions, suggesting that their planetary systems may be different too.

The proposal better explains why Mars has such a different chemical composition than Earth, says Stephen Mojzsis, a study coauthor and geologist at the University of Colorado Boulder.

And indeed after determining the absolute brightnesses of lots of Cepheids (in the Small Magellanic Cloud and elsewhere), it turned out that there is such a universal relationship (different chemical composition has some influence on this, too, but this can usually be taken into account easily).

A high percentage of that fat is in the form of lauric acid which has a different chemical composition than, let's say, animal sources of saturated fat.

The different colors come from their different chemical compositions; astronomers think that the darker colored belts contain hydrocarbons - molecules that are made from hydrogen, carbon, and oxygen, which turn a darker color when exposed to the Sun's ultraviolet light.