Sentences with phrase «nucleus over»

Because the gravity is so low, the spacecraft isn't making neat circles around the comet, but travels in a series of triangular orbits as it nudges closer to the nucleus over the next six weeks.

In its normal state, a cell's DNA is distributed in the cell nucleus over a relatively large area.

The mix of nuclear genes would come from the archaeal guest and later from the mitochondrion, which forfeited parts of its genome to the nucleus over time.

These oxidation products of compounds such as monoterpenes results in an increase of condensing vapours that can further form cloud condensation nuclei over the continents and thus has an influence on the formation of clouds.

In reality, there are a host of both natural and anthropogenic aerosols, ranging from sea salt (the major source of cloud nuclei over the ocean) to biogenic aerosols from forests (the «smoke» of the Great Smoky Mountains of the Eastern US) to partially burnt organic materials (the «brown cloud» over Asia, generally absorptive / warming) to various sulfur compounds (generally reflective / cooling).

Not exact matches

The most important nuclei of aboriginal population were in Guatemala, El Salvador, and certain parts of Honduras (Fournier, 50), while Nicaragua, Costa Rica, and Panama were a sparsely populated region.2 The aboriginal population then decreased eighty to ninety percent over the following twenty - five to fifty years (Corrales Rodriguez, 114 - 15).

Griffin, when healthy, has been the guy we were promised after his rookie year — an all - seeing offensive nucleus with a versatile arsenal that he sometimes eschews just to try to get a putback dunk over two defenders.

But I am quietly confident we have a small nucleus of quality that, when added to appropriately over the next several windows, will revive our fortunes.

The three laureates thought otherwise and over the years, using «a pair of gigantic laser interferometers to measure a change thousands of times smaller than an atomic nucleus, as the gravitational wave passed the Earth,» the LIGO project found success, the Nobel committee said.

Over a third of the ice nuclei generated contained lead, suggesting it is a highly - efficient nucleator.

The new analysis, based on data assembled primarily by graduate student Yan - Jie Feng at Sun Yat - Sen University in Guangzhou, China, focused on the sequences of 95 genes located on chromosomes in the nucleus and how they changed over time.

The LHC started smashing together the nuclei of lead atoms on 7 November, producing dense fireballs of subatomic particles at over 10 trillion degrees.

This family tree captures just a sampling of single - cell and single - nucleus RNA sequencing technologies that have burst onto the scene over the last eight years.

«The size of ISON's nucleus could be a little over half a mile across — at the most.

Over millions of years, a large star fuses nuclei into increasingly heavy elements.

Over time, most mitochondrial genes have jumped into the nucleus.

Over the past decade, physicists have developed much more detailed maps of the magnetic field within the galaxy, which can deflect charged particles such as protons and nuclei.

The researchers found evidence that, over the past 10 billion years, the strength of the bond between an atomic nucleus and its surrounding electrons has changed by one part in 100,000.

Zhong Zhong and Hua Hua are the product of somatic cell nuclear transfer (SCNT), the technique used to create Dolly the sheep over 20 years ago, in which researchers remove the nucleus from an egg cell and replace it with another nucleus from differentiated body cells.

That frequency is emitted when the spinning electron in an atom of hydrogen spontaneously flips over so that its direction of spin is opposite to that of the proton comprising the nucleus of the hydrogen atom.

Nuclei in the part of the cylinder that is sensitive to that frequency will flip over from, say, a 0 state into a 1 state.

For over 40 years physicists have suspected this nucleus to exhibit an excited state whose energy lies only very slightly above that of its ground state.

At short distances (i.e. within the nucleus), a very strong force, more powerful than electromagnetism, takes over and attracts the protons and neutrons.

Over several decades Pines and members of his research group have developed numerous ways to hyperpolarize the spins of atomic nuclei.

In his team's study, the most dramatic rebound in carried - over mtDNA occurred when the nucleus of a woman with mitochondria common among Europeans was inserted into the egg cell of a woman with mitochondria usually found in people with African ancestry.

A non-zero charge would have meant that the antiproton in the nucleus and the positron buzzing around it have slightly different charges, which would violate the rules of the Standard Model of particle physics and possibly provide an explanation for the dominance of matter over antimatter in the universe.

These are all questions the researchers hope to answer by studying other kinds of life — such as prokaryotes, organisms devoid of cell nuclei, like bacteria — over longer periods of time, and even in different cities.

They even have influence over the DNA in your cell nuclei, and change and evolve during your lifetime, giving you an unexpected source of adaptability to cope with a world in flux.

But by combining an electron and a nucleus in one qubit, Morello and his team think they have found a way to let qubits communicate over distances of up to 500 nanometres.

Over the past 15 years neurosurgeon Takamitsu Yamamoto and his colleagues at the Nihon University School of Medicine in Tokyo stimulated parts of the intralaminar nuclei (ILN) of the thalamus in VS and MCS patients.

Over the years, physicists have conjured new, short - lived and typically supersized elements (as defined by their atomic number, or proton count) by smashing atomic nuclei together in particle accelerators.

Over the course of about five seconds increasing numbers of red dots appear outside the nucleus, in the cell's cytoplasm.

It copies itself by building replication «factories» in its host's cytoplasm, rather than by taking over the nucleus, as most viruses do.

Science Interests Formation of galaxies and black holes in the early universe and their growth over cosmic time; large surveys with Hubble and other telescopes to discover new populations of distant galaxies and black holes; physical properties of active galactic nuclei using observations from radio, infrared, optical, ultraviolet through to X-ray energies.

The scientists discovered that BRCA1 exerts regulatory control over a large number of genes by keeping these DNA bundled together tightly into a structure, known as heterochromatin, inside the nucleus so that it is inaccessible and transcriptionally completely silent.

A careful analysis allows us to track nuclei movements over time, to determine when cell divisions occur, to measure the orientation of daughter cells in three dimensions and to generate the complete lineage of all cells (von Wangenheim et al. 2014; Rosquete et al. 2013; Lucas et al. 2013; Vermeer et al. 2014).

A poorly understood force inside the nucleus acts over a very short distance to pull protons (and, it turns out, neutrons, as well) together.

Over the past two decades, researchers have used various AAVs as vehicles to transport specific genes into the nuclei of cells; once there, the genes can be expressed, or translated, from DNA into proteins.

«Separately, over two - thirds of comet nuclei that have been imaged at high resolution show bilobate shapes, including the nucleus of comet 67P / Churyumov - Gerasimenko (67P), visited by the Rosetta spacecraft.

«Over the next few months, in addition to characterizing the comet nucleus and setting the bar for the rest of the mission, we will begin final preparations for another space history first: landing on a comet,» says Matt Taylor, ESA's Rosetta project scientist.

It helps explain the movement of the Nucleus Pulposus but when one starts believing that their spine is as fragile as a jelly donut, then one starts to over protect the back which is ironically the main cause of back pain.

Spare parts management: software for the creation of spare parts catalogue, sales catalogue, electronic parts catalogs and spare parts, consultation over Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Small businesses are the nucleus of the U.S. economy, making up over 99 percent of employer firms in the United States.

Type I --(Nucleus pulposus degeneration and extrusion) Smaller breeds of dogs or dogs that have disproportionately short limbs which are two years old or over are more likely to suffer from Type I of this disc disease.

Over the years, this elegant area has developed a reputation for being a nucleus of the most diverse, first - rate restaurants of varying international cuisines.

The painting makes you feel as if you were one of those particles in the painting, pulled in by an invisible magnet to the nucleus of the canvas.Up close you are able to see residues of color that have been over powered by the monochromatic duo of black and white impasto technique (almost un-noticeable from afar).

Over the past two decades Kirkeby has created new materialities from new coincidences and nuclei of crystallization, in part with strong colors in the struggle between brushstrokes and gestures.

To estimate the total mass flux «F» over the energy range from 0.1 through 1000 GeV, the contribution from the protons alone up through 0.5 GeV are combined with the total from all nuclei up through 1000 GeV assuming proton mass (1.67 x 10 - 27 kg) for the protons and alpha mass for the nuclei (6.64 x 10 - 27 kg), i.e.,

Generally, cloud nuclei are not in short supply over the ocean, as the oceanic clouds form mostly around crystals of sea salt.

The suggested hypothesis, is that in regions devoid of dust (e.g., over the large ocean basins), the formation of cloud condensation nuclei takes place from the growth of small aerosol clusters, and that the formation of the latter is governed by the availability of charge, such that charged aerosol clusters are more stable and can grow while neutral clusters can more easily break apart.