Sentences with phrase «chemical changes»

I imagine the amount of work done by UV in the form of chemical changes in whatever it strikes must be substantial.

The cascade of chemical changes that produce these effects can also cause fatigue after hours in the sun.

And scientists are finding that our emotions actually cause chemical changes in our bodies.

During this time, there are also chemical changes occurring, and new hormones being released to trigger bonding and milk production.

Consumer concern has been caused by media coverage of isolated reports which suggest that microwave heating produces chemical changes in foods with the formation of potentially toxic compounds.

We've seen this reflected, quite strikingly, by a subtle chemical change in the kinds of films that now dominate the awards season.

To really appreciate the true solar effect on climate it is necessary to include chemical changes and total solar influenced cloud cover to see the real picture.

Although small in scale, the study demonstrated that chemical changes did indeed occur in the brains of the fathers.

This may explain why identical twins tend to show more differences as they get older and don't spend as much time together — their natural chemical changes affect their development as individuals.

If you want to mimic the same chemical change that results in the production of milk, you'll need to take hormonal supplements.

However, researchers still needed to accumulate evidence to link the occurrence of earthquakes to such chemical changes before establishing a strong correlation between the two.

The primary focus for example, would be understanding chemical change e.g. reversible and non reversible reactions in chemistry with a secondary focus as planning within the scientific method.

Twenty seconds or more, and you'll note a full chemical change in your brain.

However, until now no one has been able to show that these groups of neurons do undergo enduring chemical changes, in a process known as memory consolidation.

In both cases, our everyday senses are letting us know that major chemical changes are occurring in the food.

They may sense chemical changes in the body that give off a scent.

Certain substances can produce damaging chemical changes in the skin.

Environmental stresses cause chemical changes to DNA that turn genes on and off.

The processing of foods and addition of chemicals changes the food into a form that our bodies are not evolved to handle.

As the canine brain ages, both physical and chemical changes occur.

Like drugs, sexual activities produce chemical changes in the brain.

Thus evolution is a theory that is used to explain biological, genetic, and chemical changes affecting organisms of all types.

They have the same hormones and undergo the same chemical changes that humans do during emotional states.

Currently, trained alerts are only done with conditions that are known to have specific scents associated with chemical changes in the body.

Or how: «We believe the dogs are picking up on scents that are created by chemical changes going on in the person's body before we humans see the actual symptoms of the illness,» says Darlene Sullivan, executive director of Canine Partners for Life.

[Robert Siman et al, Serum SNTF Increases in Concussed Professional Ice Hockey Players and Relates to the Severity of Post Concussion Symptoms] A strong blow to the head causes chemical changes within nerve cells that damage their structural proteins.

Botox blocks chemical changes on nerve endings and relaxes overactive muscles.

Source: Lyman 2010 The reaction of the oceans to climate change are some of the most profound across the entire environment, including disruption of the ocean food chain through chemical changes caused by CO2, the ability of the sea to absorb CO2 being limited by temperature increases, (and the potential to expel sequestered CO2 back into the atmosphere as the water gets hotter), sea - level rise due to thermal expansion, and the amount of water vapour in the atmosphere.

This light was no more than a flash because, along with the electrical excitation of the silicon skeleton, irreversible chemical changes take place: the internal surface of the pores is immediately covered in a layer of insulating silicon oxide, which stops further electrical excitation.

Isaacman - VanWertz and his collaborators were able to, for the first time, fully track the carbon in the pinene molecules from start to finish as they underwent chemical changes as they would in the atmosphere.

Wrote Stitt: «Proteins are very similar to certain toxins in molecular structure, and the puffing process of putting the grain under fifteen hundred pounds per square inch of pressure and then releasing it may produce chemical changes which turn a nutritious grain into a poisonous substance.»

It had not been anticipated that such a drastic chemical change occurred in the transition zone between the infalling envelope and the inner disk.

Pre-populated to be in half sheets, this quick assessment covers topics of mixtures and solutions, and physical change and chemical change at the very basic level.

The purification procedure has to be conducted carefully to ensure that the purified molecule retains its characteristic property as a lubricant and does not suffer from chemical changes during the purification process.

«We show how small chemical changes — involving only a few atoms — lead to big changes in assembly and disease - associated aggregation,» Fawzi said.

We believethat these microbiome - induced chemical changes may in turn affect behavior, by, for example, alleviating anxiety.

Because chemical reactions occur so rapidly, chemists can only infer how chemicals change during the process, as bonds between atoms break and reform, branches rotate or join to form rings, and three - dimensional structures shift.

A recent study found that even non-BPA plastics can release BPA into food and beverages — apparently these «safe» plastics can undergo undesirable chemical changes during manufacture and / or when they come into contact with heat, food or beverages.

S - thiolation protects proteins from irreversible chemical changes when a cell is stressed.

Chemistry: Atomic structure and the periodic table Structure, bonding and the properties of matter Chemical quantities and calculations Chemical change Energy changes

Made using the AQA Trilogy specification Contains 1 slide of activities to complete for the C6 The rate and extent of chemical change topic I give these out at the end of each topic and also before holidays for exam preparation.

This sudden movement causes stretching and tearing of connections between brain cells and creates chemical changes that alter normal brain function.

Harvard synthetic biologist Yaakov Benenson is developing implantable computers capable of detecting chemical changes inside a cell.

Several potentially desirable chemical changes can take place during this 4 - hour soaking period.

Doesn't microwaving food destroy enzymes and cause dangerous chemical changes??

Chemical changes inside of the potential mom have an effect on the sperm.

For example, some probes have been found to cause side effects, such as triggering chemical changes in proteins or causing proteins to clump together in aggregates that damage cells.

It's fascinating to see that simple chemical changes within a molecule, can have a profound influence on the electronic structure of molecules, leading to different electrical properties.»

Depending on conditions, however, RNA and DNA have very different abilities to withstand chemical changes like depurination, deamination, and hydrolysis.

These materials include new classes of superconductors, superhard materials, high - energy density and hydrogen storage materials, new ferroelectrics and magnetic systems, and materials that resist chemical changes under extreme conditions, said Russell Hemley, director of the Geophysical Lab and associate director of EFree.