Sentences with phrase «temperatures used in the experiment»

Not exact matches

Using neutron scattering experiments at the BER II research reactor, Manfred Reehuis and Michael Tovar were successful in determining the structural and magnetic properties for each of the mixed crystal specimens over quite a wide temperature range, from near the zero point of the Kelvin temperature scale to above 900 K.

As an example of the use of the model, the core of the plasma inside the seven - story ITER tokamak, the international fusion experiment under construction in France, will have to be more than 10 times hotter than the core of the sun, whose temperature is 15 million degrees Celsius.

In order to establish the physicochemical properties of the most efficient bioadhesive polymers to be used as ocular inserts in order to administer said antibiotic, during research, the CEU UCH team has performed moxifloxacin diffusion ex vivo experiments through rabbit corneas preserved at different temperatureIn order to establish the physicochemical properties of the most efficient bioadhesive polymers to be used as ocular inserts in order to administer said antibiotic, during research, the CEU UCH team has performed moxifloxacin diffusion ex vivo experiments through rabbit corneas preserved at different temperaturein order to administer said antibiotic, during research, the CEU UCH team has performed moxifloxacin diffusion ex vivo experiments through rabbit corneas preserved at different temperatures.

Experiments conducted in 1992 using NASA's Cosmic Background Explorer provided the first images of the temperature variations, and later observations from other instruments hinted at the presence of a peak.

We used data from a field experiment in Northern Sweden, in which climate change was simulated with open top chambers to increase the air and soil temperature, and with addition of plant litter from willow and birch - shrubs.

A temperature of -78 degrees Celsius is a bit low for pharmaceutical companies, and the first experiments in the Groningen lab used an ether - based solvent.

«Even if this particular material will probably not be used because of the low temperatures and strong magnetic domains required, our experiments show what this kind of control could, in principle, look like,» adds Simon Gerber, first author of the publication.

While using less ground water helps the environment, the study did not cover hard freezes because the temperatures did not get that cold during the three growing seasons in the experiment.

The first results from the FIRAS experiment, using only 9 minutes of data, showed that the cosmic background radiation has exactly the black - body spectrum expected in the hot big bang theory, with a temperature of 2.735 + / - 0.060 kelvin.

The team extended the life of the spins 50 times by applying a strong magnetic field, some 25 times the strength of those used in previous experiments, to align the spins, along with lowering the temperature.

«In our study we used satellite data for sea ice and sea surface temperatures to run some coordinated hindcast experiments with five different atmospheric models,» Ogawa says.

As the iron changed from solid to molten, they measured the temperature by noting a change in how X-rays were diffracted — a faster, more precise method than the simple visual techniques used in older experiments.

Although only 3 % of helium goes to basic research, helium is irreplaceable in low - temperature physics, where liquid helium is used to cool experiments to near absolute zero.

Another astronomy experiment deep underground in a Japanese mine will use neutrinos to learn the average temperature and energy of ancient supernovae to better understand their typical behavior.

In the experiments run by Marinescu's group, they used a cobalt - based metal - organic framework that mimicked the conductivity of both a metal and semiconductor at different temperatures.

For their experiments, the researchers used twigs around 30 centimeters long from 36 different trees and shrubs, which they exposed to different temperature and light conditions in climate chambers.

In the experiments, researchers used a technique called angle - resolved photoemission spectroscopy, or ARPES, to knock electrons out of a copper oxide material, one of a handful of materials that superconduct at relatively high temperatures — although they still have to be chilled to at least minus 135 degrees Celsius.

The new study definitively shows that the pseudogap is one of the things that stands in the way of getting superconductors to work at higher temperatures for everyday uses, said lead author Makoto Hashimoto, a staff scientist at SLAC's Stanford Synchrotron Radiation Lightsource (SSRL), the DOE Office of Science User Facility where the experiments were carried out.

LOS ALAMOS, N.M., April 7, 2016 — Los Alamos and Sandia National Laboratories have recently conducted plutonium experiments using Sandia's pulsed power Z Machine that have reached regions of pressure, temperature and density in plutonium never before explored in the laboratory.

The expansion chamber will be used to create a supercooled cloud by expansion and growth of drops at temperatures below 260 K.... In addition to experiments with supercooled liquid droplets already present (freezing nucleation), we will also investigate ice nucleation without pre-existing droplets (deposition nucleation).

Bees used for the high temperature experiment were anesthetized and placed in an incubator set to 46 °C.

Using thus 10 different climate models and over 10,000 simulations for the weather@home experiments alone, they find that breaking the previous record for maximum mean October temperatures in Australia is at least six times more likely due to global warming.

In 2002, she joined the NIF and Photon Science Directorate where she began using ultra-intense lasers to generate bright high - energy X-ray sources and developed techniques to probe matter at extreme density and temperature on high - power, laser - driven experiments.

To ensure the rotor met the rigorous requirements of scientific analyses, they used it in experiments ranging from molecular crystallization to a dehydration reaction under both high temperature and high pressure.

However, the generation of a singlet state of nuclear spins in experiments by using unitary preparation is extremely difficult at room temperature.

Derenzo said the new detector would be similar in construction to another experiment, called the Super Cryogenic Dark Matter Search (SuperCDMS) which uses low - temperature solid state detectors the size of hockey pucks.

The plasmas in NSTX are, like most fusion experiments, confined using magnetic fields and walls designed to withstand the heat from plasmas with temperatures that exceed 100 million degrees Centigrade.

Schumacher and Goldsman use the tragic origin for the character from Batman: The Animated Series — Dr. Fries experimented with cryogenics in an effort to save his terminally ill wife, Nora (played by supermodel Vendela), but a lab mishap made him unable to survive in non-freezing temperatures.

For example, with a clip - on attachment, the lab camera on the Intel Education tablet becomes a microscope, temperature probe that connects through the headphone jack, and with other built - in sensors, the students can use the Sparkvue ® app to perform multiple laboratory experiments.

In order to demonstrate the effectiveness of the technology, the experiment was first conducted using thermometers and having students read the temperature and record this manually.

Students also use a large range of sensors in various experiments to accurately record pH, temperature and dissolved oxygen.»

Although these painters started out painting in what was called an objective style, deploying abstract shapes in large space, they soon migrated to using the physical world and representative subjects to experiment with shape, color, texture and temperature in their painting.

We incubated a natural diatom community from coastal New Zealand waters in a short - term incubation experiment using a factorial matrix of temperature and CO2, and measured effects on community structure.

The Haughley experiment, started in 1939, although using a different rotational system and includes crops as well, does have the longest running data on soil properties including soil carbon, moisture and temperature.

Also the spatial structure of changes in precipitation linked to altered surface temperature by convection can be improved by using higher resolution model experiments, although the relative gain here is generally small (Di Luca et al, 2012).

This effective radiative forcing is the climate sensitivity calculation that incorporates temperature responses in the troposphere and land surface that are rapid compared to the ocean temperature response, using fixed - sea surface temperature experiments.

While I haven't tried this experiment myself, I foolhardedly predict that the resulting mixture will start out as supersaturated air at temperature 280 K and pressure 620 hPa with RH = 200 % (anyone who cares will have no trouble verifying this using only the specific heat numbers I've given earlier, no thermodynamic needed), and (more importantly for thermodynamics) that it will in due course become air at T = 287.7 K and P = 634.5 (higher pressure) with RH = 100 %.

Given that the changes in temperature are already small, and the error bars large, your experiment will at best give difficult - to - interpret results of limited use, unless you can build a tank with one dimension of several kms.

In the absence of any other change in heat flow (an unphysical assumption but let's use this as a thought experiment), instead this increases the temperature by (initially) 100/42 = 2.4 K per seconIn the absence of any other change in heat flow (an unphysical assumption but let's use this as a thought experiment), instead this increases the temperature by (initially) 100/42 = 2.4 K per seconin heat flow (an unphysical assumption but let's use this as a thought experiment), instead this increases the temperature by (initially) 100/42 = 2.4 K per second.

We study climate sensitivity and feedback processes in three independent ways: (1) by using a three dimensional (3 - D) global climate model for experiments in which solar irradiance So is increased 2 percent or CO2 is doubled, (2) by using the CLIMAP climate boundary conditions to analyze the contributions of different physical processes to the cooling of the last ice age (18K years ago), and (3) by using estimated changes in global temperature and the abundance of atmospheric greenhouse gases to deduce an empirical climate sensitivity for the period 1850 - 1980.

Scatter plot of simulated springtime Δαs / ΔTs values in climate change (ordinate) vs simulated springtime Δαs / ΔTs values in the seasonal cycle (abscissa) in transient climate change experiments with 17 AOGCMs used in this report (Δαs and Ts are surface albedo and surface air temperature, respectively).

The best evidence we could expect to find (lacking a second identical Earth we can use as a control in an experiment) is to find a historic correlation between temperature and CO2 that is stronger than the correlation between temperature and anything else (and of course, even this would not imply causation).

To account for the variations in clouds, humidity and temperature, Myhre and Stordahl took the approach of using temperature and water vapor from the ECMWF analyses, climatological ozone data, and ISCCP cloud data; if I were designing this experiment, I would have made the same choices.

In your example of the gas cylinder, try this experiment: first fill the cylinder to 1 bar, then heat the gas using a constant heat source up to a specific temperature.

The expansion chamber will be used to create a supercooled cloud by expansion and growth of drops at temperatures below 260 K.... In addition to experiments with supercooled liquid droplets already present (freezing nucleation), we will also investigate ice nucleation without pre-existing droplets (deposition nucleation).

Professional Duties & Responsibilities Biomedical and biotechnology engineer with background in design of biomaterials, biosensors, drug delivery devices, microfrabrication, and tissue engineering Working knowledge of direct cell writing and rapid prototyping Experience fabricating nanocomposite hydrogel scaffolds Proficient in material analysis, mechanical, biochemical, and morphological testing of synthetic and biological materials Extensive experience in bio-imaging processes and procedures Specialized in mammalian, microbial, and viral cell culture Working knowledge of lab techniques and instruments including electrophoresis, chromatography, microscopy, spectroscopy, PCR, Flow cytometery, protein assay, DNA isolation techniques, polymer synthesis and characterization, and synthetic fiber production Developed strong knowledge of FDA, GLP, GMP, GCP, and GDP regulatory requirements Created biocompatible photocurable hydrogels for cell immobilization Formulated cell friendly prepolymer formulation Performed surface modification of nano - particle fillers to enhance their biocompatibility Evaluated cell and biomaterial interaction, cell growth, and proliferation Designed bench - top experiments and protocols to simulate in vivo situations Designed hydrogel based microfluidic prototypes for cell entrapment and cell culture utilizing computer - aided robotic dispenser Determined various mechanical, morphological, and transport properties of photocured hydrogels using Instron, FTIR, EDX, X-ray diffraction, DSC, TGA, and DMA Assessed biocompatibility of hydrogels and physiology of entrapped cells Evaluated intracellular and extracellular reactions of entrapped cells on spatial and temporal scales using optical, confocal, fluorescence, atomic force, and scanning electron microscopies Designed various biochemical assays Developed thermosensitive PET membranes for transdermal drug delivery application using Gamma radiation induced graft co-polymerization of N - isopropyl acylamide and Acrylic acid Characterized grafted co-polymer using various polymer characterization techniques Manipulated lower critical solution temperature of grafted thermosensitive co-polymer Loaded antibiotic on grafted co-polymer and determined drug release profile with temperature Determined biomechanical and biochemical properties of biological gels isolated from marine organisms Analyzed morphological and mechanical properties of metal coated yarns using SEM and Instron Performed analytical work on pharmaceutical formulations using gas and high performance liquid chromatography Performed market research and analysis for medical textile company Developed and implement comprehensive marketing and sales campaign