Sentences with phrase «at frequencies between»

Millimeter waves are broadcast at frequencies between 30 and 300 gigahertz, compared to the bands below 6 GHz that were used for mobile devices in the past.

«Evaluation of water permittivity models from ground - based observations of cold clouds at frequencies between 23 and 170 GHz.»

We detect C3 in absorption arising from the warm envelope surrounding the... ▽ More We present spectrally resolved observations of triatomic carbon (C3) in several ro - vibrational transitions between the vibrational ground state and the low - energy nu2 bending mode at frequencies between 1654 - 1897 GHz along the sight - lines to the submillimeter continuum sources W31C and W49N, using Herschel's HIFI instrument.

Aliens wishing to communicate would probably broadcast at frequencies between 1 and 10 gigahertz, where there's less astronomical background noise than in other wavebands.

Not exact matches

Continental Europe boasts the world's largest synchronous electricity grid — energy flows freely across the borders of 25 countries, at a fixed frequency of 50 Hz that is maintained by close coordination between the region's power companies.

While such instances may be few and far between at the moment, expect them to occur with greater frequency in coming years.

To investigate, we consider relationships between Powershares DB US Dollar Index Bullish Fund (UUP) and the following exchange - traded fund (ETF) asset class proxies used in «Simple Asset Class ETF Momentum Strategy» (SACEMS) at a monthly measurement frequency:

The report found, among other things, that 43 of the lower 48 U.S. states have set at least one monthly heat record since 2010, sea levels are expected to rise between one and four feet by the end of this century, winter storms have increased in intensity and frequency, and the past decade was warmer than every previous decade in every part of the country.

A tribunal, held at Southwark Cathedral, found that the frequency of contact between the vicar and the teenager had grown to inappropriate levels including contact via telephone.

Researchers looked at the consumption of onion between 0 to 14 and 0 to 22 portions per week and found that there was an inverse association between the frequency of allium vegetable consumption and the risk of several common cancers.

There also appears to be a positive correlation between cognitive benefits and the mother's frequency of eating fish at least twice a week.

A large part of this shift is aimed at trying to separate a true SIDS from a preventable asphyxial death, as, for the most part, it is impossible to distinguish between intentional or non-intentional smotherings upon a SIDS autopsy.24 Hence, with greater frequency, diagnostic judgments are being made based on deaths scene characteristics and descriptions of the infant's sleep environment.25

While the number of calls from David to JCOPE is not overwhelming, the timing of several calls made 16 months ago raises questions about the frequency of contact between the governor's office and the state's independent ethics panel, especially at a time when former aides and supporters of Cuomo were in the crosshairs of a U.S. Justice Department investigation.

The change in the burst's brightness appears to be exactly the same at radio and optical frequencies; this can happen, say Garnavich and his collaborators Avi Loeb and Kris Stanek from the Center for Astrophysics in Cambridge, Massachusetts, only if part of the expanding ring passed behind a star located exactly between Earth and the ring itself.

«Semiconductor plasma antennas will work at only high frequencies, between 1 GHz and 100 GHz,» says Anderson.

The research by scientists at Children's Hospital Los Angeles and Columbia University shows a link between a particular allele for serotonin found at a higher frequency in those at risk of depression because of family history, and those who go on to develop major depressive disorder.

«The experiment demonstrated the comb's functionality as a comparative frequency divider between the optical rubidium transition at 384 THz and the cesium clock providing a 10 MHz reference,» said Lezius.

The refrigerator - size device, shown here and built in 2000, measures the frequency at which mercury ions oscillate between a higher and lower energy state, then uses that alternation to keep time — similar to a pendulum in a grandfather clock.

«We looked at the correlations between the Palmer Drought Severity Index - which summarizes moisture characteristics in soil and vegetation - and acres burned, or fire frequency.

Padilla hopes to use engineered materials to investigate what he calls «the last unexplored region of the electromagnetic spectrum» — the T - ray, or terahertz, region — positioned between the infrared and microwave bands, at a frequency of a trillion cycles a second.

Previous research by Burger and Stefan Oline — a former Ph.D. candidate at Lehigh, now a postdoctoral fellow at New York University Medical School — demonstrated for the first time that synaptic inputs — the messages being sent between cells — are distinct across frequencies and that these different impulse patterns are «mapped» onto the cells of the cochlear nucleus.

The new survey will pick targets from a list of about 70,000 red dwarfs compiled by Andrew West at Boston University, and will listen to the stars in radio frequency bands between 1 and 10 gigahertz.

The DMR measures temperature differences between regions of the sky 60 degree apart at three frequencies: 31.5, 53 and 90 gigahertz (wavelengths of 9.5, 5.7 and 3.3 millimetres).

Measurements are made at several frequencies between 300 kilohertz and 11 megahertz.

«We see a dose - response relationship between frequency of night shift work and type 2 diabetes, where the more often people do shift work, the greater their likelihood of having the disease, regardless of genetic predisposition,» said co-first author Céline Vetter, PhD who conducted this work while at the Channing Division of Network Medicine at BWH, along with co-first author Hassan S. Dashti, PhD, RD. Vetter is now an assistant professor at the University of Colorado, Boulder.

The CALLISTO (Compound Astronomical Low - cost Low - frequency Instrument for Spectroscopy in Transportable Observatory) spectrometers, designed and built by electronics engineer Christian Monstein of the Institute for Astronomy of the Swiss Federal Institute of Technology Zurich (ETH Zurich), record the intensity of electromagnetic radiation at radio frequencies, between 45 and 870 megahertz.

Such radio traffic could be readily apparent On the earth, for example, a new radar system employed with the telescope at the Arecibo Observatory for planetary studies emits a narrow - bandwidth signal that, if it were detected from another star, would be between a million and 10 billion times brighter than the sun at the same frequency.

The study also looked at the association between past year frequency of both, heroin - related risk behaviors, and exposure to heroin availability.

Researchers looked at 536 heart disease patients between 30 and 70 years old to evaluate sexual activity in the 12 months before a heart attack and estimate the association of frequency of sexual activity with subsequent cardiovascular events, including fatal heart attack, stroke or cardiovascular death.

In another experiment, he measured the frequency of an optical transition in cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW lasers.

Its three very high - frequency band radar sites in Texas, Arizona and Alabama ping the heavens with radio waves at wavelengths between 1 and 10 metres and their reflections enable us to detect objects down to the size of a basketball.

One difference will be that 5G may move wireless signals to a higher frequency band, operating at millimeter - length wavelengths between 30 and 300 gigahertz (GHz) on the radio spectrum.

The crack, he explains, comes from about 100 cubic centimeters of air being forced out from between bat and ball at less than a 2,000 th of a second, resulting in a sound with a frequency of about 500 Hertz.

ALMA focuses on the region of the spectrum between radio waves and infrared light, the range of frequencies at which complex molecules emit light when they undergo various transitions.

Waves carry energy most effectively between objects that resonate at the same frequency, an effect at work when a singer smashes a nearby glass with the right note.

Phonekeo suspended these living spans between the ends of two funnels and used time - lapse video to observe how they survived shaking at different frequencies.

Total frequencies of matching residues at individual CDR3 positions did not vary substantially between time points for any of the VHH in each llama (Fig. 7E).

JILA scientists detect strontium's «ticks» (430 trillion per second) by bathing the atoms in very stable red laser light at the exact frequency that prompts the switch between energy levels.

MHW frequency increased over 82 % of the global ocean between two 17 - year periods at the beginning and end of the record (1982 — 1998 and 2000 — 2016, splitting the time series in half; Fig. 1b).

Term 2 multiplies Z4s with the difference between the low - frequency signal at time t minus the low - frequency signal at time (t plus time - lag).

«We used a mathematical model to show that positive feedback loops between fire frequency and savanna trees, alone or together with grasses, can stabilize ecological communities in a savanna state, blocking conversion of savannas to forest,» said the study's leading author Brian Beckage, associate professor in the Department of Plant Biology at the University of Vermont.

The International LOFAR Telescope (ILT), a powerful next - generation radio telescope, offering synthesis imaging, beam - formed and time - series observing modes at frequencies below 240 MHz, solicits proposals from the international astronomical community for observations to be made during Cycle - 8, that will last between 15 May 2017 and 14 November 2017.

In autism this dependency was reversed [r (13) = 0.7; p = 0.006, group × frequency - range interaction significant at F (1,22) = 15.767; p = 0.001], suggesting atypical coordination between gamma and theta activity, presumably in relation to an absence of down - regulation.

The polyT repeat in intron 6 of TOMM40 (rs10524523) was genotyped using fluorescence - based fragment size analysis (Supplemental Figure 1; http://neuroscienceresearch.wustl.edu/pages/cruchaga2011.aspx).19 A detailed explanation of the fluorescence - based fragment size genotyping, quality control steps, allele frequency, and linkage disequilibrium between the studied polymorphisms can be found at http://neuroscienceresearch.wustl.edu/Pages/cruchaga2011.aspx.

Had the BICEP2 telescope been capable of detecting B - modes at multiple microwave frequencies, the scientists could easily have distinguished between light from interstellar dust grains and the more ancient light they sought.

Post hoc t - tests using a Bonferroni correction were used to establish the spatial frequencies at which the difference between both directions was significantly different.

Decision errors occurred at a frequency of 13 - 14 % when the mean patient MRD was between 10 - 2 and 10 - 5.

Frequencies between 350 and 500 hertz proved most effective at getting the guys» attention.

They also exhibit high - frequency hearing loss beginning roughly at the time of weaning / adolescence (between three to four weeks of age) and becoming severe by two to three months of age.

Recovery meals following resistance training are particularly important for those looking to build lean muscle, or who are training at high intensity or frequency — think twice a day or less than 12 hours between sessions.