Sentences with phrase «by stable periods»

In contrast to the constant crustal movement seen on Earth, Venus is thought to undergo periodic episodes of plate tectonics, in which the crust is subducted rapidly within a few million years separated by stable periods of a few hundred million years.

In work published in the summer of 2016 in the journal Developmental Biology, researchers looked at 17 different development stages of axolotl embryos and found a highly unusual series of bursts in changes in gene expression, followed by stable periods, that is unique in developmental biology.

Not exact matches

Judging by the investments that are underperforming so far this year, the supposedly safe - haven assets — the ones you counted on to keep your portfolio stable during periods just like the current one, when market volatility surges — are turning out to be not so safe after all.

The Bank of Montreal (TSX: BMO) says a strong loonie and a relatively stable economy is fuelling a desire by many Canadians to get away over the Christmas - New Year's period.

«Over the majority of the time period, we've seen a benign inflation period characterized by stable to falling interest rates,» he said.

While the Australian market has not kept pace with the rises seen in the US over recent months, over the longer term it has been considerably more stable; the ASX 200 is now around the same level as at the end of 1999, whereas the S&P 500 has fallen by about one - third over that period.

Many stable value funds impose a 12 - month waiting period on plans that wish to terminate participation in the fund; however, transactions by individual plan participants are not restricted.

Looking back over the past 25 years, a period of low and stable inflation, stock / bond correlation has generally moved in tandem with monetary policy, as measured by the effective federal funds rate.

This study's findings are consistent with an analysis commissioned by FDA and updated in 2012, as well as a published ILSI survey of more than 37,000 people which shows that caffeine consumption in the U.S. has remained stable during the most recent period analyzed, while coffee remains the primary source of caffeine in most age groups.

It then entered a more stable but still highly volatile period where it seemed to track the statements made by ministers like David Davis - as if Britain were some sort of tinpot dictatorship where huge economic changes could be discerned by the comments of senior generals.

«Briefly put, the Governor's proposal endangers the pension funds by promising a stable rate of contributions over a 25 - year period, but the State is unlikely to be able to keep that promise.»

Critics argued that by allowing a 14 - day period after the no confidence vote for leaders to try and form a stable government, the legislation raises the distinct possibility of a sitting prime minister trying to buy the votes of opposition parties in the two - week window.

Until now, it was believed that glacial periods were characterised by extreme temperature variability, while interglacial periods were relatively stable.

«You can sneak in on a stable manifold, be captured by one moon for a couple of periods and observe it, and then with greatly reduced energy go on to the next moon,» he says.

But CureVac claims it can do away with that need altogether by producing vaccines that are stable at room temperature for long periods of time.

Fibers treated this way can transmit stable, high - power ultraviolet laser light for long periods of time, resisting the damage usually caused by UV light.

«We have a path toward making a compact, robust clock that's better than CSACs by a couple of orders of magnitude, and more stable over longer periods of time.»

The team in today's study were able to determine that the ice sheet had partially melted during this «stable» period by analysing the chemical content of mud in sediments.

Together the stable disruption of CXCR4 as determined by both the surveyor nuclease assay and flow cytometry suggests that CXCR4 disruption did not negatively impact cell viability or growth in humanized NSG mice over a two - month period.

However, registration of cardiac arrests was prospective and uniform, following the standardized Utstein style for reporting out - of - hospital cardiac arrest and revised for data quality assurance by the RACE - CARS team.18 Our results support efforts of other communities seeking to improve bystander and first - responder intervention, since they come from a quality - improvement database of a substantial portion of the state of North Carolina, with stable reporting over a 4 - year period during a broad implementation program that used a standardized protocol, as recommended by the American Heart Association.13, 20,40

In other notable periods, the relatively stable medieval society was characterised by more constant climatic conditions.

Such individuals, then called HIV long - term non-progressors, were defined by their lack of HIV - related symptoms and high CD4 T cell counts that remained stable for periods of 7 years or longer.

After a relatively stable MIS 2 period, Termination 1 is marked by a rapid 13C depletion over the Glacial - Bolling transition followed by a return to somewhat heavier values during the Younger Dryas, similar to earlier observations [1].

By comparing anti-neutrino detection records with publicly available data on the power plant, researchers were able to confirm the continuous and stable operation of the detector for yearlong periods, with remote and automatic data collection and detector calibration.

The most commonly used source by bodybuilders are oats, since they are filled with low glycemic index carbs which are processed slowly by your digestive system, you full for longer periods of time and provide you with stable energy levels throughout the day, unlike fast carbs which give you an insulin spike after which you experience an energetic crash.

Research has shown that the ketone bodies produced by MCT's provide a stable source of energy for the brain during periods of low blood sugar without the neurological risks associated with high blood sugar (8).

Use of stable isotope tracers would also be of particular value as they would allow for in vivo assessments of post-treatment alterations various aspects of hepatic metabolism including glucose metabolism, fat oxidation and VLDL - kinetics which have been shown to be altered by acute periods of ER.101 Increased Stress Resistance

Instead, according to John G. Gunderson, a psychiatrist at Harvard, they tend «to engage in solitary activities which often involve mechanical, scientific, futuristic and other non-human subjects... [and] are likely to appear increasingly comfortable over a period of time by forming a stable but distant network of relationships with people around work tasks.»

That would be bad enough in a stable or falling market, but the market GREW by some 75 % over the same period.

footnote ** Research from Vanguard and other retirement income experts has found that, by limiting spending to 4 % of a portfolio each year, retirees have a higher probability of maintaining a stable income stream — one that can be sustained over the typical retirement period of 20 — 30 years, even in a low - interest - rate environment.

With the S&P 500 Index generating an average annual return of over 15 % during this period, plan participants pursued those returns instead of the 2 % to 3 % performance generated by stable value funds, creating another source of transfer activity.

The major insurance companies of that period were deeply at fault in this as well, largely driven by the need to issue 5 - year Guaranteed Investment Contracts [GICs] to rapidly growing stable value funds of defined contribution plans.

Since different assets do well across different periods of time, the best way to ensure that your portfolio remains stable is by investing in various asset classes depending on your goals, risk appetite and time horizon.

Contrary to what the authors suggest, Felicia Nutter's PhD thesis work showed that «colonies managed by trap - neuter - return were stable in composition and declining in size throughout the seven year follow - up period.»

A dog of this size found running loose in the community, or even in play periods with other dogs in a park, may be considered a threat by some, regardless of stable temperament.

There has been, in my opinion, a trend, not really appreciated by most, which is stable extreme weather, one can name many zones of the world having some extreme fascet of continous drought, rain, heat and mostly changes in dominant wind directions for extended periods of time, which is in itself unusual.

An analysis of the GISP2 ice core record from Greenland reveals that abrupt climate events appear to be paced by a 1,470 - year cycle with a period that is probably stable to within a few percent; with 95 % confidence the period is maintained to better than 12 % over at least 23 cycles.

PS By «stable» I mean that the global temperature has been alternating between warm interglacials and cold glacial periods — but it is stable in not going outside those ranges.

This topology was stable for the first 5 months, followed by a dual coronal hole distribution producing 13.5 - day periodic variations up to the end of the observation period.

Geology deals with the now: the 10,000 - year - old Holocene epoch, a peculiarly stable and clement part of the Quaternary period, a time distinguished by regular shifts into and out of ice ages.

By the dominance of stochastics I mean that they vary in a way that allows for stable averaging over reasonably short periods, while weak stochasticity might allow for the formation of peristent attaractors that make avaraging almost irrelavant over wide range of time scales.

(26) In a 1974 followup, they spoke more boldly of stable periods interrupted by catastrophic «discontinuities,» when «dramatic climate change occurred in a century or two at most.»

The value will, however, always be affected by factors that come from some model, because the earth will never stay in a stable equilibrium for a long enough period to reduce major model dependence.

Curiously, this variability can not be seen at all in the core paleo reconstructions (figure 2) which appear surprisingly stable, with no greater variance than around 0.2 to 0.4 C.degrees throughout the period 1500 to 1920 (by which time the instrumental record is utilised).

The stable periods are punctuated by abrupt changes.

By stripping out the known changes due to global warming over that period - and recalculating the harvests using a «climate stable» crop model - the team came up with crop - yield numbers that would have applied, if global warming hadn't intervened.

To be sure, in the 1570s the average temperature fell by only a few degrees, and equally certain, after the 1570s we can observe periods of remarkably stable, warm weather.

Another stable period can be observed on the [CO2] chart between 130 000 and 120 000 AC, I would be very interested in knowing what it is caused by, if you have any idea...

Where response patterns are reasonably stable over time, this ratio can be maximised in a climate change scenario by using long (30 - year or more) averaging periods.

If it turned out that rapid climate change events are caused by comets, it would imply the climate system is far more stable than we thought, that abrupt climate change events are not part of the inherent variability of climate during glacial periods.