Sentences with phrase «thaw cycle»

Repair any damage to sidewalks, driveways, and steps before ice or snow makes them worse due to the freeze / thaw cycle.
The freeze / thaw cycle in the winter can make this even more obvious, as can things like salt or ice melt getting splashed on the door by slush as people make their way indoors.
Indiana is susceptible to dangerous road conditions, particularly in the spring, due to the freeze - and - thaw cycle that causes the roads to expand and contract, resulting in damage over time.
With the constant rewiring of the internet, deferred maintenance and the inevitable freeze - thaw cycle, you need good teeth to ride in Toronto bike lanes; otherwise they are shaken out of your skull.
Similar processes might include the vegetation growth / wildfire cycle in semi-arid ecosystems, or rock avalanches in mountain zones with a strong freeze - thaw cycle.
Researchers at CIRES» National Snow and Ice Data Center [About NSIDC] investigate the dynamics of Antarctic ice shelves, new techniques for the remote sensing of snow and freeze / thaw cycle of soils, the role of snow in hydrologic modeling, linkages between changes in sea ice extent and weather patterns, large - scale shifts in polar climate, river and lake ice, and the distribution and characteristics of seasonally and permanently frozen ground.
I'm sure a proper set of snow tires would help it through winter in Michigan, but the roads get too degraded after the freeze / thaw cycle and pervasive use of road salt run their course.
Avoid freeze / thaw cycle.
This freeze - thaw cycle kills the cancer cells.
Now, researchers have engineered a potato with a novel starch that better weathers the freeze - thaw cycle.
The pellets are also long - lasting, so it helps control the freeze / thaw cycle and prevent buildup throughout the day.
Eggs contain the proteins that helps satisfy hunger and as a formulary bonus, adapt to almost any type of quick - heating situation, including the freeze / thaw cycle.
At this point, different batches were (1) kept at 46 °F / 8 °C for 8 or 24 hours; (2) kept at 73 °F / 23 °C for 4 or 8 hours; (3) exposed to multiple freeze - thaw cycles of various lengths; and (control) kept at -4 °F / -20 °C.
This helps prevent the constant freeze / thaw cycles that can damage concrete over time.
On the young Earth, pockets of liquid could have expanded into a network of channels that mixed their contents during freeze - thaw cycles, like day - night temperature changes in summer.
The 30 or so bits of bone, none more than 7 centimeters long, have suffered much since they were entombed: Ice sheets have scoured Ellesmere Island several times in the past few million years, and today's freeze - thaw cycles continue to splinter fossils into ever - smaller fragments, Rybczynski says.
Hundreds have occurred in the park, yet 15 % didn't have any obvious trigger: no earthquakes, no heavy precipitation, no freeze - thaw cycles that can cause water trapped in a fissure to freeze, expand, and gradually wedge open a crack.
Within two hours Phoenix had transmitted the first surface images of the planet's polar terrain: a level plain marked with regular octagonal mounds and furrows, evidence of freeze - thaw cycles in a substance that Phoenix's instruments would prove to be frozen water.
Cell culture passages were subjected to 3 freeze - thaw cycles and clarified as above.
The effect of freeze - thaw cycles on lentiviral stability depends on a variety of factors such as the transgene expressed, the viral storage buffers used, and other experimental parameters.
Tissues were minced using single - use, sterile scalpels alternated with 3 freeze - thaw cycles and extracted according to the manufacturer's protocol.
In the 2nd attempt, which is the thawing cycle, I lost my pregnancy at 11 weeks because of blighted ovum.
With frigid temperature come pipe leaks, where the freeze and thaw cycles can wreak havoc.
Bear in mind that for some phenomena, such as ice - jacking freeze / thaw cycles, the properties of the variance play a critically fundamental role in dynamics.
The key climatic variables for this evaluation are rain wetting and exterior temperatures as they dictate the number of expected freeze - thaw cycles and conditions for embedded metal corrosion.
For example, permafrost is often covered by a patchwork of polygons that form over successive freeze - thaw cycles.
Two main geomorphological forms are commonly found in continuous permafrost regions of Eastern Canada: (i) small, shallow, narrow runnel ponds formed over melting ice wedges where peat slumping occurs, and (ii) more stable, slightly larger and deeper, polygonal ponds, which are naturally linked to the active layer freeze - thaw cycles, and can be colonized by aquatic plants and microbial mats (Fig. 1).
He also acknowledges that even those seriously involved in the business do not yet understand the full implications of what we are doing, such as the question of how to insulate solid masonry walls that are subject to freeze - thaw cycles, as they have in Chicago.
If you insulate too much, freeze - thaw cycles can destroy a wall in a few years.
In most old buildings, heat from the interior drives moisture out of the masonry or stone and helps it resist the freeze - thaw cycles that we have in this climate.»
Without proper maintenance during winter conditions, including during constant freezing and thawing cycles can result in:
Make sure not to force the gutter system to work any harder than it has to during the freeze / thaw cycles of winter weather.
Cement can crack for various reasons — such as soil upheaval, expansion and freeze - and - thaw cycles.
A mulch of shredded leaves insulates the roots of perennials, protecting them against the freeze and thaw cycles that cause spring heaving — that» when plants are pushed out of the ground, their roots exposed.
It is usually non-vitreous, i.e. not manufactured to withstand excessive impact, abrasion or freeze / thaw cycling.

Not exact matches

The yolks will also improve the stability of the ice cream, reducing its tendency to melt quickly, and they will prolong shelf life in the freezer, inhibiting the thaw - re-freeze cycle.
wondering about Vanilla flavored black tea; i just had a natural cycle ivf; just thawed a 6 yr embryo; now i wait 10 more days for blood test; i only like this tea maybe 4 1/2 small cups / day / is it ok???
Cooking a thawed product will allow you to then re-freeze it for one cycle.
Women were given one cycle of IVF, where either a transfer of fresh embryos occurred, or all embryos were frozen and one cycle of thawed embryos occurred subsequently without the use of IVF drugs.
Plus, fires and permafrost thaw can start a feedback cycle that hastens future thawing, McCarty says.
Many researchers are concerned that if old carbon begins to cycle it could create a feedback loop — its emissions contribute to warming, which again contributes to the thawing of more permafrost.
«What we think is happening is that the glaciers have to get large enough for the increased sunlight to have an effect, so the thaws happen every second or third cycle, which would average out to 100,000 years,» Huybers says.
The practice of freezing embryos and then thawing them and transferring them to women's wombs (known as frozen embryo transfer or FET) also increased by 27.6 % between 2008 and 2010; FET cycles had approximately half the multiple birth rate when compared with fresh embryo transfers, namely 13 % (2008), 11.9 % (2009) and 12 % (2010), with just 0.6 % triplet births in all three years.
These novel starches resist tangling during freezing, and gels made with the starch did not separate through five cycles of freezing and thawing, the group reports in the March issue of Nature Biotechnology.
Head and his colleagues see resemblances between surface cracks in the midlatitudes on Mars and those that form on Earth in Antarctica and in the Arctic due to cycles of freezing and thawing over many years.
Assistant Professor of Earth, Ocean and Atmospheric Science Robert Spencer and a team of researchers traveled to Siberia from 2012 to 2015 to better understand how thawing permafrost affected the carbon cycle and specifically to see if the vast amounts of carbon stored in this permafrost were thawing and how it w transferring to the atmosphere as carbon dioxide.
But as Earth has warmed, it has started to thaw, releasing carbon back into the modern carbon cycle and ultimately to the atmosphere, further contributing to warming.
«(C) the carbon cycle, including impacts related to the thawing of permafrost, the frequency and intensity of wildfire, and terrestrial and ocean carbon sinks;
Now, new evidence from a marine sediment core from the deep Pacific points to warmer ocean waters around Antarctica (in sync with the Milankovitch cycle)-- not greenhouse gases — as the culprit behind the thawing of the last ice age.
Causes of erosion include wind, water (including rainfall and floods), the scouring action of glaciers, and the repeated cycles of freezing and thawing that often occur in some areas of the world.
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