Sentences with word «impermeable»

Other layers of impermeable rock underneath the fractured area would block migration of the gas, she said.

A study published today in Science explains how wastewater injection sites — areas where toxic water left over from oil drilling and fracking processes is injected into the ground between impermeable layers of rocks to avoid polluting freshwater — could be driving the sharp increase in the sometimes - disastrous earthquake events.

And in the meantime the Houston area has grown enormously, which creates ever more impermeable surfaces and more human structures that can be damaged by flooding.

CO2 pumped into these formations are sealed under impermeable cap rocks, where it gradually dissolves into the salty water and mineralizes.

Some severe sufferers have to cover their mattresses and pillows with impermeable material.

Tight oil is a type of oil found in impermeable shale and limestone rock deposits.

These feeds must be at least 40 percent carbohydrates in order for the process to work and must be packaged in bags with a grease barrier of impermeable material such as plastic - coated paper.

The one major effect of Rita will be to provide impermeable cover for those judges (i.e., many of them) who prefer to treat the Guidelines as mandatory.

Rim joist assembly must be insulated with air impermeable insulation or insulated on the exterior

All the structures that have previously been treated in physics and in chemistry belong to the class of «equilibrium structures»; that is, they could persist indefinitely in closed systems (regions separated from the rest of the universe by impermeable walls).

If your child wees a lot or sleeps for longer periods, place an extra insert inside the diaper and / or use more impermeable diaper covers for added protection.

«Simply put, they are not impermeable.»

To avoid polluting fresh water supplies, the water is introduced between impermeable layers of rocks.

Water vapor from the concrete or the ground below flows through the pores and gets trapped under impermeable coating or flooring.

Typically, fracking involves injections into impermeable rock layers that inhibit the spread of fluid and increase pore pressure.

As air - breathing reptiles covered with impermeable skin, sea turtles are one of the few marine species that are suited for terrestrial life.

Although the CO2 will be injected as a dense fluid, it is still less dense than the brines originally filling the pores in the reservoir sandstones, and will rise until trapped by the relatively impermeable cap rocks.

Unlike typical geothermal systems, which rely on porous rock, enhanced geothermal systems have much greater potential to tap the energy of geothermal hot spots in areas of otherwise impermeable bedrock.

This was achieved by removing the compacted soil and debris from the garden and creating a spillway with impermeable fabric and river rocks.

One oft - cited but little - used solution is to catch carbon dioxide as it is released from smokestacks and pump it underground into rocks capped by impermeable shale, a process called carbon capture and storage.

The investigators noted that if the antisense approach works for ALS — by delivering therapeutic agents for neurodegenerative diseases across the highly impermeable blood - brain barrier — it would likely also work in other neurodegenerative conditions, including Alzheimer's, Parkinson's and Huntington's diseases.

If extra human CO2 does warm the top millimetre of the ocean a little before the extra down welling infrared radiation is bounced back up by the almost impermeable ocean surface then the air immediately above the ocean surface will promptly warm up.

In the meantime, the company has had to spend more than $ 60,000 raising and rebuilding the bulkheads, installing reinforced pilings that can withstand big storm surges, raising electrical sockets up to waist level, and rebuilding its repairs warehouse with waterproof materials, like impermeable sheetrock and rigid foam insulation.

The unlettered Catholic who came to the United States in the last century fashioned a way of life within the host Protestant culture that was tight, intellectually narrow, and wrapped in an invisible and largely impermeable membrane that resisted social osmosis with the rest of the country.

But this machinery creates problems of soil impaction, destroying soil structure and creating impermeable surfaces, in turn inhibiting filtration and root development.

The former refers to an employee's preference to maintain impermeable boundaries between work and home (i.e., keep both domains separated), whereas the latter refers to permeable work and home boundaries (i.e., both domains are blended).

Also, the covered, resistant to tear and impermeable printed cover wipes clean with just the use of water and soap.

Replacement of oxygen with sugar solution or inert gas, consuming the oxygen by glucose - oxidase and / or the use of vacuum and oxygen - impermeable films are some of the methods currently employed for packaging frozen fruits.

PHYSICAL FEATURES & CLIMATE This lowland area on the northern coastal plane is an extensive complex of shallow lagoons streams, rivers and marshes, overlying alluvial deposits of siliceous sand and beds of impermeable clay.

The logic of sprawl saw cities eat up a larger and larger share of the surrounding real estate, fueling habitat destruction, smog from tailpipe emissions, runoff from impermeable pavement and other environmental ills.

At the GSA meeting, U.S. Geological Survey hydrogeology expert C.E. Neuzil of Reston, Virginia, will report that some shales are so impermeable that there is little risk of radioactivity from buried nuclear waste reaching ground or surface water.

This double membrane, which is unique in biology, is highly impermeable to incoming molecules and acts as a highly selective filter.

Permeable paving can be used instead of traditional impermeable concrete or asphalt.

Rim joists should be internally insulated with rigid insulation to control condensation or an air impermeable insulation should be applied to the interior of the rim joist.

From 69 to 80 m is the lock - in zone, where impermeable winter layers prevent vertical diffusion of air, but persistent open porosity allows air pumping.

Yet diverse schools at least offer opportunities for genuine learning and understanding across boundaries that too often seem impermeable.

This causes the previously impermeable blood vessel walls to form gaps, which the metastatic cell exploits to cross into and colonize the lung.

In this steep alpine basin, stream temperature variability appears to be enhanced by quick routing of precipitation to the river channel (i.e., direct precipitation / channel interception, rapid surface flow over impermeable bedrock / thin alpine soils, and subsurface flow through highly weathered scree slopes).

It is water impermeable, washable and is therefore ideally suited for the transport of, for example, groceries or sports equipment in the vehicle.

A border passing through Coatzacoalcos and Juchitán might have been made nearly impermeable, and everyone living north of it would have been a United States citizen.

For all these methods, a «geologic cap,» usually a layer of largely impermeable rock, above the target area is needed to prevent leaks.

But if they seek to make the membranes surrounding the deposit of faith completely impermeable to the influx of alternative insights and modes of expression, this will inevitably lead to a serious inhibition of the transmission of the revelatory content of the faith.

It also acts as a natural barrier — it's virtually impermeable to oxygen, so glass helps keep foods and beverages fresh and full of their natural vitamins, minerals and other health benefits.

Those in the south, in contrast, show some evaporation at times, implying that they are sitting on impermeable layers.

Electroporation is a popular technique for the delivery of cell - impermeable molecules into cells through transient pores in the cell membrane, which are formed by exposing cells to electric pulses.