Chemical in sentence

890 examples of Chemical in a sentence

Israeli scientists Frederic Libersat and Ram Gal found that the venom is a very specific chemical weapon.

Tiny chemical machines of the future can one day, perhaps, repair DNA.

And that's really important, because high-purity CO2 is easier to liquify, easier to transport, whether it's in a pipeline or a truck, or even easier to use directly, say, as a fuel or a chemical.

I built an interactive chemistry exhibit at the Museum of Science and Industry in Chicago, and this exhibit lets people use physical objects to grab chemical elements off of the periodic table and bring them together to cause chemical reactions to happen.

So when one ant meets another, or when it meets a chemical deposited on the ground by another, then it changes direction to follow in the direction of the interaction, and that's how you get the trail of ants sharing your picnic.

It seems totally magical, but these bioluminescent signals arise from carefully orchestrated chemical reactions that happen inside the firefly lantern.

You couldn't demonstrate it was chemical.

Now, this was an inspired choice by Adolf Butenandt and his team, because he needed half a million moths to get enough material to do the chemical analysis.

With each inhalation, smoke brings its more than 5,000 chemical substances into contact with the body’s tissues.

So this is a microscopy, a video I shot, and it's about 100 times magnification, sped up about 20 times, and inside the slime mold, there is a rhythmic pulsing flow, a vein-like structure carrying cellular material, nutrients and chemical information through the cell, streaming first in one direction and then back in another.

Then pollution takes its toll, mainly due to untreated sewage and chemical dumping from crafts such as tanning.

We train pharmaceutical technicians for the pharmacy industry, we train medical technicians for the medical industry, and we train chemical technicians for companies like Bayer and Calgon Carbon and Fisher Scientific and Exxon.

Now, our preliminary labwork on the leaf extract has shown that precisely these leaves contain ingredients that are very close, in terms of structures, chemical structures, to those medicines which are sold in the chemist's shop against asthma.

It releases this volatile chemical that goes out into the world and summons another species of mite that comes in and attacks the spider mite, defending the lima bean.

The chemical composition of our bronze sculptures keeps them recognizable for over 10 million.

Now, the exposure I'm talking about is not a pesticide or a packaging chemical.

So light and oxygen are polar opposites from one another from a chemical point of view, and if we can control spatially the light and oxygen, we could control this process.

In addition, as our ability to deliver liquid to that interface, we can go 1,000 times faster I believe, and that in fact opens up the opportunity for generating a lot of heat, and as a chemical engineer, I get very excited at heat transfer and the idea that we might one day have water-cooled 3D printers, because they're going so fast.

They're sending electrical messages back and forth, and chemical messages.

A chromosome, by the way, is just a piece of inert chemical material.

The exciting phase came when we took this piece of inert chemical and put it in the bacteria, and the bacteria started to read this genetic code, made the viral particles.

And it's just standard selection: we can select for viability, chemical or fuel production, vaccine production, etc.

Other bacteria, to protect themselves, evolve defenses against that chemical attack.

Could the circular economy replace current chemical fertilizer use?" Yes was the answer to the decoupling, but also yes, we could replace current fertilizer use by a staggering 2.7 times.

We think, because there are chemical hooks in heroin, as you took it for a while, your body would become dependent on those hooks, you'd start to physically need them, and at the end of those 20 days, you'd all be heroin addicts.

Now, if you believe the story about chemical hooks, that makes absolutely no sense, but Professor Alexander began to think there might be a different story about addiction.

He said, what if addiction isn't about your chemical hooks?

But here's the catch: our semisynthetic organisms in order to survive, need to be fed the chemical precursors of X and Y. X and Y are completely different than anything that exists in nature.

Increasing your heart and breathing rate is linked to chemical changes in your brain that help reduce anxiety and increase your sense of well-being.

And these are reductionist, deterministic chemical reactions, showing that, essentially, life is made of the same stuff as everything else, and if we can forget about quantum mechanics in the macro world, then we should be able to forget about it in biology, as well.

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