Sentences with phrase «tiny pores»

The phrase "tiny pores" means very small openings or holes. Full definition
And they open tiny pores in their leaves to allow carbon dioxide in for photosynthesis.
The fluids react with relatively acidic seawater to produce mineral structures full of tiny pores, where hydrogen and carbon dioxide come together to form simple molecules.
Like a type of door, sodium channels allow sodium ions to flow into nerve cells through tiny pores.
Since then scientists have figured out how to drive DNA through proteins with tiny pores embedded in a film using an electrical charge.
The temperature increase triggered a chemical transformation within the sediment, pushing water out of the mineral crystals and into tiny pores between the grains.
The ticks also secrete a fluid through tiny pores on the pad surface, further increasing adhesion.
In these rock units the challenge is not «finding» the reservoir; the challenge is recovering the gas from very tiny pore spaces in a low - permeability rock unit.
Each vessel wall is pockmarked with tiny pores called pit membranes, through which sap can essentially hopscotch, flowing from one vessel to another as it feeds structures along a tree's length.
It doesn't neutralize toxins, but rather binds them to the many tiny pores on its surface.
The body consists of three vaselike openings, the walls perforated by tiny pores — just like modern sponges, which pump water through the holes to filter out food.
So Ke Cheng, Hu Zhang, Jinying Zhang and colleagues wanted to see whether placing stem cells in inexpensive hydrogels with designed tiny pores that are made in the laboratory would work.
Activated carbon captures contaminants in tiny pores all over its surface.
New research reveals that oil and tiny pores prevent water from freezing on gentoo feathers.
One group of cells had a planar interface between perovskite and ETL, whereas in the other one a mesoporous interface was built up, intermingling perovskite and metal oxide to form a sponge like structure that contains a huge number of extremely tiny pores.
To create more efficient catalysts, sensing and separation membrane, and energy storage devices, scientists often start with particles containing tiny pore channels.
This moisturizer from Philosophy makes fighting acne and banishing excess dead skin as easy as slathering on a bit of cream — tiny pores guaranteed.
Membrane based jackets rely upon tiny pores that are big enough to let water vapor out but too small to let water droplets in.
This process removes the oxygen and activates it with gases leaving behind a highly adsorbent material with millions of tiny pores.
Results: Neither smooth nor disordered, gamma - alumina nanoparticles are corrugated with tiny pores inside, according to scientists at Pacific Northwest National Laboratory.
Plants have tiny pores on their leaves called stomata — Greek for mouths — through which they take in carbon dioxide from the air and from which water evaporates.
The next step was to soak the plants in that solution and pressurize them, which causes the particles to enter the leaves through tiny pores called stomata.
The belief in the ability of trees, shrubs and bushes to remove pollutants from the air, by trapping them on their leaves, absorbing them through tiny pores called stomata on the leaf surface, or via the roots, is by no means misplaced.
The final product, a black carbon powder, has a very high surface area due to the presence of many tiny pores that have been chemically etched on the surface of the microspheres.
The networked polymer is made from joining smaller molecules with tiny pores, and selectivity is programmed into the material through a crosslinked monomer.
When rainwater is introduced to this kind of rock, either seeping in through tiny pores in the rock surface, or, more typically, dribbling in through larger cracks, the rock will begin to dissolve.
«These types of natural gas and oil are in tiny, tiny pores that range from a few millionths of a meter in diameter to a few thousandths of a meter,» Lee said.
Bamboo charcoal - as moso bamboo plants mature (taking 5 years), tiny pores are created that absorb allow it to act as a deodorizer.
The carbon is then treated with chemicals to etch in the tiny pores.
The polymer covering contains holes that are larger than graphene's pores, which Hart says act as microscopic «drumheads,» keeping the graphene sturdy and its tiny pores open.
Simulations (colored images) of this process showed the formation of tiny pores, which was in agreement with the structure (grayscale image) observed in a scanning electron microscope.
«It's moving through the tiny pores between the sand grains and it gets smeared, like grease on a tie.»
Zeolite crystals are a popular industrial «sieve» because their tiny pore spaces allow only certain molecules to slip through.
But some of it also enters the stomata, or tiny pores, on the leaves and is drawn down through the branches to the roots.
Researchers have demonstrated for the first time that they can continuously read the chemical letters of DNA as it travels through a tiny pore, paving the way for a new kind of sequencing machine that decodes DNA much like an announcer reading a ticker tape.
«These types of natural gas and oil are in tiny, tiny pores that range from a few millionths of a meter in diameter to a few thousandths of a meter,» Lee said.
Guided by the trapped particle, they then created a tiny pore in the cell membrane using an ultra-short laser pulse from a femtosecond laser.
The reason goes back to the tiny pores, called stomata, which exist on leaves and needles and are the channels through which trees absorb CO2 and cool off through evaporation.
According to a report in this week's issue of Current Biology, tiny pores in the outer membranes of two species of bacteria secrete a stream of slime that propels them forward.
«These tiny pores mean scientists could potentially «sift» molecules into different sizes to study them individually.
Tiny pores in the charcoal, along with changes in its chemistry, provide more surfaces for nutrients to adhere to, which in turn encourages microorganisms to colonize the soil.
The xylem's tiny pores can trap bubbles, preventing them from spreading in the wood.
Between the nanowires are tiny pores that act like capillaries to absorb liquid — again, like a paper towel.
This stress hormone travels up to the plant leaves to close off tiny pores, halting the evaporation of water from the plant to the atmosphere.
It's not just the size of pores that matters, but the surface structure and surface chemistry, since natural gas interacts with the outer edges of each tiny pore in the rock.
Plant leaves are lined with tiny pores, called stomata, which dynamically open and close to control the amount of water lost to the environment by evaporation.
Anyone awed by towering redwoods should offer thanks to stomata, the tiny pores on the leaves of all trees and other vascular plants.
The tiny pores you see are affected by the roasting process — higher temperatures result in larger pores and vice versa.
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