Sentences with phrase «large number of molecules»

That case nonetheless remains relevant, because it illustrates by exaggeration something that remains true independently of how large the number of molecules gets: the mean molecular translational kinetic energy decreases with height, and it does so at a rate that is finite and non-zero, albeit negligible for most purposes.

We will not only evaluate the eye for disease, but also measure a large number of molecules in the urine that may be used as a foundation for future medical tests for AMD.

And this is very, very important to chemistry because chemistry has traditionally been about studying a large number of molecules and the effect that they have.

However, the Nobel prizewinners worked mainly with large numbers of molecules in solution, Joachim says, whereas the researchers in this race are focusing on the interactions between single molecules and solid surfaces.

As I read it, it says there will be a lapse rate that's small for large numbers of molecules but stll finite and non-zero so long as the number of molecules is not infinite.

The fewer molecules must have sufficient gravitational energy that, if it were converted to kinetic energy, would be able to raise the temperature of a larger number of molecules in the lower layer the temperature in that lower layer.

Joules Verne says: January 24, 2012 at 8:07 am...» The fewer molecules must have sufficient gravitational energy that, if it were converted to kinetic energy, would be able to raise the temperature of a larger number of molecules in the lower layer the temperature in that lower layer.

Not exact matches

Any aqueous solution that contains a large number of chemicals must necessarily give rise to an even more complicated set of chemical reactions between and among those molecules, producing yet more chemical types.

The apparent gap between nonliving and living has now been bridged by nucleic acids, a class of polymeric organic molecules composed of a succession of small units (nucleotides) of four sorts, the order of which determines an indefinitely large number of different specificities.

But, with its large number of functional groups, the soy protein is able to attract a wide variety of polluting molecules.

But working with human smooth muscle cells isolated and grown from the healthy parts of airway tissue surrounding excised tumors, Benjamin Kalbe and his colleagues applied a large number of odor molecules and watched two of them activate the muscle cells.

«We look for activity of our molecules in phase 2, and on numerous occasions we generate statistically significant data with relatively small numbers of patients, which gives us reasonable confidence that the program will be successful in phase 3 with a larger group of patients.

In the study, researchers used the blood of seven people who survived Ebola Bundibugyo virus infection during the 2007 outbreak in Uganda to isolate a large number of B cells that produce antibodies, which are the small protein molecules capable of inactivating the virus.

As synthesized ZIF - 8 is a highly porous material composed of a number of micro-pores of 0.34 nm and 1.16 nm, hydrogen gas with a kinetic diameter of 0.289 nm can easily penetrate inside the ZIF - 8 membrane, while large molecules (> 0.34 nm) are effectively screened by the MOF filter.

«Due to the general applicability of pyrolysis for plastic conversion to an oil and the large number of microorganisms capable of PHA accumulation from a vast array of molecules, the principle of the process described here can be applied for the recycling of any petrochemical plastic waste,» the scientists claim in the paper presenting their findings in the April 1 issue of Environmental Science & Technology.

The Japanese group suspected that fungi might produce molecules that could inhibit ACAT as fungi produce large numbers of biologically active chemicals.

«Perhaps we can restore balance by targeting any of a large number of regulatory molecules in the cell.

In a previous study, Lonard and co-senior study author Bert O'Malley of Baylor College of Medicine screened a large number of compounds to identify SRC - inhibiting molecules that kill a wide variety of cancer cells and inhibit tumor growth in animal models.

These molecules include catalytic metal clusters and redox - active «molecular battery» species capable of holding large numbers of electrons — potential candidates for boosting battery capacity.

The structure of the water - rich polyamide / water system obtained from MD calculation showed that the water clusters are well connected to each other, and a relatively large number of water molecules are present at a distance over 3 Å from the polyamide.

Functional Genomics The platform provides access to automated high - throughput laboratory equipment handling very a large number of samples for RNA interference, cDNA expression and small molecule screening.

Although lignin is made from a large number of sugar molecules, which should provide energy, livestock can't digest this material because of the way its sugars are chemically bonded together.

Stephen R. Quake, Ph.D., Stanford University, Palo Alto, Calif. $ 1.8 million (3 years) «High - Throughput, Single - Molecule DNA Sequencing» This group will try to improve its sequencing - by - synthesis technology in order to achieve longer reads from very large numbers of single DNA molecules.

He decided to study very large patterns, which can be found in huge data sets, such as the number of molecules in the human body or the number of someone's Facebook friends.

They show that GABA inhibited the cells and reduced the secretion of a large number of inflammatory molecules.

The functional disruption leads to oxidative stress inside the cell; an accumulation of highly reactive oxygen compounds takes place and a large number of the cell's molecules are damaged.

MCP is a natural ligand for Galectin - 3, a molecule present in large numbers on the surface of unhealthy cells.

Yellow diamonds contain a large number of nitrogen molecules, for example.

You have to look at the absorption crosssection per molecule of CO2 and count up the number of CO2 molecules per unit area that would be in the path of a photon travelling a certain distance in the atmosphere you can understand how such a low concentration of CO2 can have such a large effect.

When you do the calculation you will notice that there is such a large number of CO2 molecules in a cubic meter of air, even though the concentration is low.

As a practical matter, this result differs only negligibly from the isothermality for which Dr. Brown argues if the number of molecules is large.

In fact, the basic physics of the CO2 molecule makes it hard to justify a number much larger than ∆ T2 = 1 C — with no feedbacks.

This wandering is entirely reversible: when there are large droplets to condense on, temperature equilibrates to the value of T for which water molecules are condensing on and evaporating from droplets in equal numbers, just as in any reversible chemical reaction.

All may comments are on this case and similar other cases, they are not about cases, where experiments can be repeated arbitrarily many times or were the physical system consists of a large number of particles that are controlled with identical constraints as the gas molecules are in a macroscopic volume of gas.

For conduction, which occurs via molecular (or electronic) collisions, you will have collisions between molecules... and the molecules will have a range of velocities but ON AVERAGE, those coming from the hotter side of the object will have slightly higher speeds than those coming from the cooler side and so, in a large number of collisions, the molecules from the cooler side will gain speed on average and those from the hotter side will lose speed on average in the collisions.

This new dissociative δ - mode is characterized by a high dissociation degree of gas molecules (actually up to 100 % in NF3 and up to 70 % in SiH4), higher resistivity and a large discharge current.At rather high rf voltage when a sufficiently large number of high energy electrons appear in the discharge, an intense dissociation of gas molecules via electron impact begins, and the discharge experiences a transition to the dissociative δ - mode.