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Chemical in sentence

890 examples of Chemical in a sentence

So the core of this reactor, since it's not under pressure and it doesn't have this chemical reactivity, means that there's no inclination for the fission products to leave this reactor.
The energy that I'm able to talk to you today, while it was converted to chemical energy in my food, originally came from a nuclear reaction, and so there's something poetic about, in my opinion, perfecting nuclear fission and using it as a future source of innovative energy.
We use fertilizers in our farming, chemical fertilizers.
Why do we use chemical fertilizers in agriculture?
Several of these nutrients are essential chemical elements: phosphorus, nitrogen and calcium.
Because it is the most problematic chemical element.
Phosphorus is a chemical element that is essential to life.
Intensive agriculture is based on the use of chemical fertilizers.
And while insomnia rarely leads to death, its chemical mechanisms are similar to anxiety attacks found in those experiencing depression and anxiety.
And finally, we take this multilayered skin and through a shorter and much less chemical tanning process, we create leather.
So we've worked with others, with other businesses and NGOs, on the Better Cotton Initiative, working right back down to the farm, and there you can halve the amount of water and halve the chemical inputs, the yields increase, and 60 percent of the costs of running many of these farms with farmers with low incomes can be chemical imports.
If the Higgs field were only a few times more intense, we would see atoms shrinking, neutrons decaying inside atomic nuclei, nuclei disintegrating, and hydrogen would be the only possible chemical element in the universe.
Two of our instruments are very unique: one is called an imaging spectrometer that can actually measure the chemical composition of plants as we fly over them.
We can slice through our data and see, for example, the 3D structure of the vegetation and the buildings, or we can use the chemical information to actually figure out how fast the plants are growing as we fly over them.
So our imagery is 3D, it's chemical, it's biological, and this tells us not only the species that are living in the canopy, but it tells us a lot of information about the rest of the species that occupy the rainforest.
When chemical levels shift, they may cause changes in mood, as well.
Some colors may get absorbed, giving it a chemical fingerprint, whereas other colors may not.
And I thought, "But is it a chemical problem or a psychological problem?
And does it need a chemical cure or a philosophical cure?"
The chemical cure and the psychological cure both have a role to play, and I also figured out that depression was something that was braided so deep into us that there was no separating it from our character and personality.
The hypothalamus, the part of the brain that regulates body weight, there are more than a dozen chemical signals in the brain that tell your body to gain weight, more than another dozen that tell your body to lose it, and the system works like a thermostat, responding to signals from the body by adjusting hunger, activity and metabolism, to keep your weight stable as conditions change.
These signals start a chemical cascade that floods the body with several different stress hormones, causing physiological changes that prepare the body to defend itself.
We can also imagine a chemical treatment for breakups that weakens the feelings of attachment.
There are huge coal reserves that are sitting out there, and we've got to start thinking of them as biological energy, because if we keep treating them as chemical energy, or engineering energy, we're going to be in deep doo-doo.
The human mind can arise from neurobiology and a lot of accidents, the way the chemical bond arises from physics and certain accidents.
When they’re threatened, the valve between the chambers opens and the substances combine in a violent chemical reaction that sends a corrosive spray shooting out of the glands, passing through a hardened chamber that protects the beetle’s internal tissues.
One of their most potent alkaloids is the chemical epibatidine, which binds to the same receptors in the brain as nicotine but is at least ten times stronger.
When the toxic key slides into the lock, it sets off a cascade of chemical and electrical signals that can cause paralysis, unconsciousness, and eventually death.
And they used the chemical energy produced to draw CO2, carbon dioxide, out of the atmosphere and use it to build sugars and proteins and amino acids, all the things that life is made of.
They can take solar energy, CO2 and turn it into chemical energy in the form of organic carbon, locking that sunlight in those carbon bonds.
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