Sentences with phrase «elastic properties of»

An overview is given on the results of our computations on structural and elastic properties of model colloids,

Sex hormones have been suggested to play a role in vascular function and in this study the elastic properties of the aorta (the largest artery in the body) in men with low blood levels of testosterone (hypogonadism) were compared with those of a control group who naturally produce normal levels of testosterone.

After workouts, the range of motion can be further increased as the increased muscle temperature increases the elastic properties of muscle and its stretch properties.

This will remind your body of the elastic properties of your tendons and ligaments that prevents them from tearing every time you exercise, Johnson says.

Inset: The BE SPM work has enabled a direct visualization and local measurement of the elastic properties of the interface, confirming the BLS results.

Using a dual pipette aspiration assay, elastic properties of the actomyosin cortex can be estimated in vitro.

Implanting something like tungsten into an organ with the elastic properties of pudding seemed very invasive,» she says, only half in jest.

By recording and analyzing the F - d spectroscopy measurements by AFM, the elastic properties of biological systems can be determined quantitatively and reproducibly.

The gradual slope of the curve in the constant compliance region is related to the elastic properties of the cell.

In our first experiments we measured the elastic properties of DNA.

«At MIT's Mesoscale Nuclear Materials Lab, we've been developing improvements to a technique called «transient grating spectroscopy» (TGS), which is sensitive to both thermal transport and elastic properties of materials,» said Cody Dennett, the paper's lead author and a doctoral candidate in nuclear science and engineering.

Without meaning to, Balibar says, Reppy configured his vessel to be especially sensitive to changes in the elastic properties of the material — perhaps because the stiffer helium - 4 at lower temperatures was effectively gluing together parts of his experimental chamber, and producing a heavier oscillator.

For example, researchers could use the sound waves to measure elastic properties of cells in a petri dish, seeing how they respond to forces.

As a result, we covered the skeleton of our robot with a custom - made, ultra-thin (56 micron, silicone - based membrane that is designed to match the elastic properties of biological bats» membranes.»

Without this elastic property of the atmosphere, the temperatures in tropical regions would be higher than we observe since the volume of the atmosphere would would be less as described by PV = nRT.

Without this elastic property of the atmosphere, the temperatures in tropical regions would be higher than we observe since the volume of the atmosphere would would be less as described by PV = nRT.

Not exact matches

As we age, our skin loses some of its elastic properties and if it stretched significantly — like say, over two growing babies — the connective tissue often tears rather than stretches.

Their spider silk is more tear - resistant than nylon and four times more elastic than steel, is heat - stable up to 250 ° C, extremely waterproof and, on top of that, has antibacterial properties.

The Rice lab of theoretical physicist Boris Yakobson and experimental collaborators observed examples of naturally undulating, metallic borophene, an atom - thick layer of boron, and suggested that transferring it onto an elastic surface would preserve the material's stretchability along with its useful electronic properties.

Stress can also be used to engineer the properties of an elastic body.

Bioengineers have developed a new protein - based gel that, when exposed to light, mimics many of the properties of elastic tissue, such as skin and blood vessels.

A team of bioengineers at Brigham and Women's Hospital (BWH), led by Ali Khademhosseini, PhD, and Nasim Annabi, PhD, of the Biomedical Engineering Division, has developed a new protein - based gel that, when exposed to light, mimics many of the properties of elastic tissue, such as skin and blood vessels.

A good example in nature is nacre, which is 95 percent inorganic aragonite and 5 percent crystalline polymer (chitin); its hierarchical nanoparticle ordering — a mixture of intercalated brittle platelets and thin layers of elastic biopolymers — strongly improves its mechanical properties.

The nano - hydrogels have shown very good characteristics of biocompatibility with the human organism, due to their physical properties, which make them resemble living tissues, especially by its high water content, its soft and elastic consistency, and its low interfacial tension which prevents them from absorbing proteins from body fluids.

The expansive filling mechanism uses the elastic recovery properties of the groove walls to load nectar on the tongue in an order of magnitude that allows the hummingbirds to extract nectar at higher rates than are predicted by capillarity - based foraging models.

When a cyclone named Klaus tore across southwestern France in January 2009, it highlighted a strange phenomenon: Trees, regardless of their diameter, height, or elastic properties, don't tend to break until wind speeds reach about 42 m / s (94 mph).

«With this method in hand, we're able to show that time - resolved measurements of elastic properties on dynamic materials are possible on short timescales.»

Her PhD research centered on limb lengthening: (1) muscle and joint function; (2) the elastic and viscoelastic properties of tendons; and (3) the histomorphology (cell structure) of lengthened tissue.

This was enabled by engineering the implant to have elastic properties similar to those of dura mater, the protective membrane of the central nervous system.

Scientists from the Carnegie Institution for Science and Yanshan University has developed a new form of carbon that is elastic as well as ultra-strong, lightweight, and electrically conductive, properties that lend it to a wide array of applications, from aerospace engineering to military armor.

Tissue engineering of elastic cartilage by using scaffold / cell constructs with different physical and chemical properties.

Finally, in a collaboration with Frank Jülicher's group at the Max Planck Institute for the Physics of Complex Systems, we are using these data to develop physical models that will help us understand how local cellular adhesive, elastic and contractile properties are influenced by PCP proteins and other molecules, and how they combine to produce specific packing geometries at a global level.

One approach relies on elastic deformation of the magnetic material to tune its magnetic properties, which can be achieved by electric fields.

Recently developed, in - situ techniques for direct volume determination, acoustic wave velocity measurements, and x-ray diffraction at HPCAT, along with molecular dynamics simulations, were employed to explore the nature of the unusual and pressure - tunable, compression and elastic properties.

In the images, they directly visualized the elastic movements of the sheets and determined the force holding them together, which is described by a stress - strain property known as «Young's modulus.»

I think of «efficiency» more on terms with the tissue and mechanical properties of movement - how good is your elastic spring?

They are used liberally in gluten - free baking as texture enhancers to replace the elastic properties typically provided by wheat gluten, as their ability to thicken and stabilize doughs helps improve the consistency and moisture of notoriously dense and crumbly gluten - free goods.

To create a strong frame that helps provide robust cabin integrity, certain parts are made of ultra-high-tensile strength steel, while high tensile steel with good elastic properties is adopted for elements that are designed to deform in an impact to help dissipate energy.

They called carbon dioxide, and oxygen and nitrogen, «ideal gases», and said they behave as per basic ideal gas description (pre Van der Waals), in other words, they have taken all the properties and process of real gases out of their «gases» and reduced them to hard dots with no mass, (no volume, weight or attraction and therefore nothing to be subject to gravity), and they say these travel at great speeds through empty space as per ideal gas, bouncing off each other in elastic collisions and so «thoroughly mixing» that they can't be unmixed (without an immense amount of work being done, so for all practical purposes can not be unmixed).

The polarization characteristics of the water leaving radiance can provide information on bio-optical properties and composition of coastal water and can be used as well as a tool for the separation of chlorophyll fluorescence from elastic reflectance spectra.

Carbon dioxide and nitrogen and oxygen have been reduced to a non-existant entity, a concept of a gas with no properties and processes, as they've done with «all electromagnetic energy is the same and all create heat on being absorbed», making them ideal gases without properties and processes in the Greenhouse Effect — they have actually become hard dots of nothing without volume travelling at great speeds under their own molecular momentum bouncing off each other in elastic collisions, as the description of the imaginary ideal gas in a container of real world physics textbooks.

The only thing I'm keeping from ideal gas is elastic collisions (which as I've given re actual properties of nitrogen and oxygen make our atmosphere approximate to his model).

... though idiotically given as proof is a typical non-experiment from the AGWSF department, by opening a bottle of scent in a classroom saying it proves the scent is spread by Brownian motion, that's when it's not being not being idiotically explained by using ideal gas properties of elastic collisions in empty space as if ideal gas, but more often than not, claiming both these processes happening at the same time — seemingly as unconcerned as Willis about context.

Earth scientist Marc Spiegelman dances on a mixture of cornstarch and water to demonstrate some of the amazing properties of rocks — like their ability to be both elastic and brittle.