Sentences with phrase «by mechanical forces»

«The ionosphere (according to the understanding at that time) that part of the atmosphere between 65 and 80 km and 280 - 320 km height, will be disrupted by mechanical forces caused by the pressure wave following the explosion.

Instead, the strange funnels appear to be formed mostly by mechanical forces.

The behavior of the clock is to be explained in detail by the mechanical forces operating among its parts.

Vanquished today by mechanical force, in the future we will be able to overcome by a superior mechanical force.

«The electrical signal is thus not based on an electric current but is caused by a mechanical force,» points out Thomas Heimburg.

For example, electromechanical devices, e.g., micro actuators, microelectromechanical devices, or piezoelectronics, could have movable physical components that move up and down when stimulated by a mechanical force or an electrical or magnetic signal, thereby moving the overlying surface.

Not exact matches

Hitler is an example of a pure necrophile who was passionately fascinated by force, mechanical things, killing, and death.

The car was basically controlled by physical and mechanical forces.

Between them the Christian understanding of human being and society as created, fallen and redeemed by God was made irrelevant so that these forces of modernity were left to be interpreted solely within the framework of the humanism of the Enlightenment which at best had a Deistic faith coupled with a mechanical view of the world and a self - redemptive idea of history making for an optimistic doctrine of inevitable progress.

As you say, wilshires injury was a mechanical injury caused by an external force.

It is true, we were, we are, overwhelmed by the mechanical, ground and air forces of the enemy.

They did so by including factors like the mechanical forces acting on the cells and the tumor's cellular heterogeneity.

By fiddling with the cytoskeletons of real - life hydras, researchers found that the pond polyps rely on mechanical forces as well as molecular cues to regenerate head and tentacles in the right places (SN: 3/4/17, p. 19).

Engler's team, which includes bioengineering graduate student researchers Ludovic Vincent and Jessica Wen, found that the stem cell differentiation is a response to the mechanical deformation of the hydrogel from the force exerted by the cell.

In their publication in the journal eLife, the team headed by the biophysicist Enno Oldewurtel showed how specific mechanical forces can be the key to the structure of a biofilm.

Inserting magnetic droplets at different locations in the tissue, and generating forces by applying a magnetic field to the droplets, the researchers showed that the tissue behaves like a fluid while growing, with similar mechanical characteristics as thick honey.

By carefully controlling the composition of the droplets and the strength of the magnetic field, the forces applied by the droplet can be controlled, and the response of the surrounding tissue reveals its mechanical characteristics as well as the cues that cells are exposed to as the tissue growBy carefully controlling the composition of the droplets and the strength of the magnetic field, the forces applied by the droplet can be controlled, and the response of the surrounding tissue reveals its mechanical characteristics as well as the cues that cells are exposed to as the tissue growby the droplet can be controlled, and the response of the surrounding tissue reveals its mechanical characteristics as well as the cues that cells are exposed to as the tissue grows.

By exposing a magnetically responsive droplet (purple) to a magnetic field, the scientists are able to exert pressure on the surrounding embryonic cells in order to study their response to mechanical forces

But there may be a way to cut drag force by almost 30 %, according to computer simulations of turbulent ocean - water flows reported in the 19 May issue of Science by mechanical engineer Yiqing Du of the Massachusetts Institute of Technology and applied mathematician George Karniadakis of Brown University.

«Symmetrization is a combination of the mechanical forces created by the muscle contractions and the viscoelastic jellyfish body material,» Abrams says.

Instead, the mechanical forces created by the jellyfish's own muscle contractions were essential for symmetrization.

The scientists had produced mechanical defects in the particles first in simulations by high - power computers and then, in reality, with the measurement tip of a scanning force microscope.

These observations suggested the toe is twisted as a result of mechanical forces imposed on it by the embryonic musculature.

A high - precision motor gave a carefully calibrated tug to the sheet to subject the neurons to mechanical forces Parker calculated to be comparable to those produced by an explosion.

This fact, along with the computer simulation, suggests that the mechanical force provided by actin can restructure CPEB into a longer fiber with new hydrogen bonds between the coils.

By isolating mechanical and biological variables one by one in vitro, Mooney and his research team have discovered how the physical forces and chemical environment in those dense tissues can drive cells into a dangerously invasive, proliferating modBy isolating mechanical and biological variables one by one in vitro, Mooney and his research team have discovered how the physical forces and chemical environment in those dense tissues can drive cells into a dangerously invasive, proliferating modby one in vitro, Mooney and his research team have discovered how the physical forces and chemical environment in those dense tissues can drive cells into a dangerously invasive, proliferating mode.

New research led by Holton and colleagues at the UI posits that our chins don't come from mechanical forces such as chewing, but instead results from an evolutionary adaptation involving face size and shape — possibly linked to changes in hormone levels as we became more societally domesticated.

They have accomplished this by harnessing gradients of surface energy and by utilizing light, temperature, electric force and mechanical vibration.

The realignment process was driven by bone growth, which acted like a mechanical jack to generate the opposing forces required to straighten the two bone fragments.

Previous studies have shown that because cells in the heart and elsewhere are responsive to mechanical forces, those forces exerted by blood flow can affect heart formation.

The differential outcomes could be attributable to the greater intensity and duration of the WBV protocol used by Jing et al. (44); specifically, this report applied comparable mechanical force (0.5 g) at slightly higher frequency (45 Hz, as opposed to 32 Hz in the current study).

By incorporating the triazole group into poly (methyl acrylate)(PMA) the researchers could give it hooks which can be used to direct mechanical forces.

They are polymodal ion channels that are subjected to extensive regulation by a diverse set of physical (pH, temperature, mechanical force) and biological signals (lipids, G - protein coupled receptor pathways).

Live cell response to mechanical stimulation studied by integrated optical and atomic force microscopy.

Caloric materials generate cooling effects when cyclically acted upon by magnetic, electric, or mechanical forces.

The following day mechanical sensitivity was assessed by measuring withdrawal responses to a series of calibrated Von Frey filaments with incrementing force (15 g, 26 g, 60 g and 100 g).

The Chips are cultured under continuous flow within engineered 3D microenvironments that go beyond conventional 3D in vitro models by recapitulating in vivo intercellular interactions, spatiotemporal gradients, vascular perfusion, and mechanical forces — all key drivers of cell architecture, differentiated function, and gene expression.

In proposals to develop APM, this problem will be solved by guided molecular trajectories and positionally - controlled mechanosynthesis: reactive molecular fragments will be guided by molecular machine systems to a specific position and geometric orientation with respect to the growing atomically precise work piece so that the application of mechanical force will cause the desired bond to form.

«The steps capture the micelles for a chemical reason, not a mechanical one, and the resulting compression of the micelles by the steps then leads to forces that explain where the strength comes from,» said De Yoreo.

Nanoscale simultaneous chemical and mechanical imaging via peak force infrared microscopy by Le Wang, Haomin Wang, Martin Wagner, Yong Yan, Devon S. Jakob, and Xiaoji G. Xu.

«Optomechanics is an area of research in which extremely minute forces exerted by light (for example: radiation pressure, gradient force, electrostriction) are used to generate and control high - frequency mechanical vibrations of microscale and nanoscale devices,» explained Gaurav Bahl, an assistant professor of mechanical science and engineering at Illinois.

This work is supported by the Air Force Office of Scientific Research (Grant FA9550 -16-1-0187) and the National Science Foundation (Civil, Mechanical, and Manufacturing Innovation Grants 1562075 and 1727313; Division of Materials Research Grant 1709420).

A process triggered by exposing your muscle tissue to outside mechanical stress which over time forces your body to build new muscle tissue to adapt to the stress.

This suggests that changes in lateral force transmission capability are triggered by the magnitude of the mechanical loading.

A study titled «The influence of wind resistance in running and walking and the mechanical efficiency of work against horizontal or vertical forces,» by LG Pugh, has shown that there is an increased energy cost of running on a solid surface, as opposed to on a treadmill, due to air resistance.

For a person running at a typical casual runner's pace of 2.5 meters per second (9 km / hr, or 5.6 mph) it can be shown, based on data collected by LG Pugh for the study titled «The influence of wind resistance in running and walking and the mechanical efficiency of work against horizontal or vertical forces,» that the energy cost of air resistance while running on solid ground is roughly 0.84 calories per kilometer (this is equivalent to approximately an extra 1.2 % calorie burn relative to a runner on a treadmill).

Somewhat over-simplistic, but fairly popular mechanical «model» is that elevated blood pressure results from body's attempt to help the kidneys excrete the excess sodium by literally forcing it out through the capillaries.

Over the past several decades, numerous studies have established that eccentric contractions can maximize the force exerted and the work performed by muscle... that they can attenuate the mechanical effects of impact forces; and that they enhance the [good] tissue damage associated with exercise.

«Physiotherapy, also known as Physical therapy, helps to restore movement and function by using mechanical force and movements, Manual therapy, exercise therapy, electrotherapy and various physical therapies.

Skolimowski shows the Gallo figure struggling (for the most part) not with the elements, wild animals, and mere mechanical forces, but with a world that is constantly being changed by money, a world dominated and maintained for global capitalism.