Sentences with phrase «oxygen measurements in»

Oxygen measurements in the atmosphere are available with sufficient accuracy (1:200,000!)

Not exact matches

Its core competence is the in - line measurement of conductivity, resistivity, TOC, dissolved oxygen, bioburden, sodium, silica, chloride / sulphate and ozone in determining and controlling water purity.

Rapid, accurate measurement of the dissolved oxygen content in beer is important during keg filling.

Measurements of oxygen depletion weeks after the spill detected as much as a 30 percent drop in the Gulf of Mexico seawater.

Herschel * measurements of molecular oxygen in Orion.

They then compared the oxygen isotope ratio in Yonderup dripwater with that predicted by a model (which simulated the dripwater δ18O based on measurements of rainwater δ18O), as well as that measured at a different cave in the region.

But the team's measurements of the oxygen isotope ratios in the creatures» teeth, a sensitive paleo - thermometer, suggest that the climate where these dinosaurs lived probably averaged about 10 ° Celsius over the course of a year — substantially colder than most of the dinosaur era, and in fact close to that seen in northeastern China today, Xu notes.

But more accurate measurements of oxygen isotopes published in 2016 only confirmed that the isotopic compositions are not distinguishable.

According to Robert Clayton, a professor emeritus at the University of Chicago in Illinois who pioneered the use of oxygen isotopes in cosmochemistry, the authors may have done little more than find a more precise method of measurement.

But after comparing predicted levels of oxygen to the new measurements, the geomicrobiologist from Aarhus University in Denmark realized that some of the expected oxygen was missing.

They also correlated the amount of energy found in the sample to its chemical oxygen demand (COD), a commonly used indirect measurement of dissolved organic compounds.

Analyzing sensor data and field measurements, Cohen and his students have found new clues for the algal abundance, such as declining concentrations of dissolved oxygen and the role of snails in keeping springs clear.

Part of that research will require returning to the Bajau and Saluan communities, and collecting more physiological measurements beyond spleen size — such as levels of carbon dioxide and oxygen in the blood, says Cynthia Beall, an evolutionary anthropologist at Case Western Reserve University who did not work on the study.

Radiocarbon dating of the charcoal samples provided an age for the shells; measurements of oxygen isotopes found in the clam fossils gave sea surface temperatures every 2 to 4 weeks during the clam's life.

The observations, coupled with measurements of sulfide and oxygen in the environments, suggest that the gill bacteria in bivalves break down sulfide around the roots of the grasses, letting them grow.

The team also made the first ever measurement of the level of oxygen in human blood at 8400m, on the balcony of Everest.

However, measurements show that this is not the case even in the large and essentially anoxic oxygen minimum zones of the tropical oceans.

The system provides «precision measurements of material motion that here relate directly to oxygen levels,» she says, enabling researchers to measure exactly how the oxygen is cycling in and out of the metal oxide.

In both cases the climate records are based on oxygen isotope measurements on datable layers of ice or stalagmite cave deposition.

Isotope measurements that relate to geographical location, pollution and diet (strontium, nitrogen, oxygen, carbon and lead) were analysed in three locations on the skeleton of Richard III.

Then the team restricted evidence to just three measurements that can be obtained from shell samples in sediment cores: cadmium concentration and carbon and oxygen isotope ratios in the calcium carbonate shells.

Shapley expects the measurements of oxygen will reveal that super winds are very important in how galaxies evolved.

Oxygen Consumption measurements have become a key functional readout of cell metabolism and mitochondrial function, providing important insights into the cell function and role of perturbed metabolism in disease progression.

We present such a relationship for aragonite saturation state for waters off Northern California based on in situ bottle sampling and instrumental measurements of temperature, salinity, and dissolved oxygen.

With the combination of in situ synchrotron infrared spectroscopic measurements carried out at high pressure, and ab initio calculations on the ferromagnesite structure, it was possible to identify a unique vibrational signature present only in the high - pressure phase, and thus a new carbon - oxygen bond forms in ferromagnesite under pressure.

Now, using the Vinogradov lab's method, the team made the first direct measurement of fine oxygen concentration gradients in live bone marrow.

Specifically, we will spend your generous donations on cell culture reagents, oxygen consumption measurements, virus production, quantitative reverse transcription PCR, DNA synthesis services, and publication of our results in a peer - reviewed journal.

This demonstration of oxidative stability in common storage was later confirmed by direct measurement of oxygen consumption.

The antioxidant values of foods listed are expressed in ORAC (Oxygen Radical Absorbance Capacity) units, a unit of measurement for antioxidant content which was originally developed by the National Institute on Aging (NIA) at the National Institutes of Health (NIH).

An ORAC score (Oxygen Radical Absorbance Capacity) is the measurement a particular food has in protecting you from free radical or oxidation damage and is commonly used to claim a products potency.

Results for VO2 measurements are generally displayed in L • min - 1 (i.e. litres per minute, representing the volume of oxygen consumed by your entire body each minute) or, to account for differences in total body mass, in mL • kg - 1 • min - 1 (i.e. millilitres per kilogram per minute, representing the volume of oxygen consumed each minute per kilogram of your body mass).

The fun part about that was the... I mean, you're aware but for everybody who is not, the measurement of the fuel mix that you're burning, it's a very... actually simple measurement, just the your breath, the oxygen you're breathing in, carbon dioxide you're breathing out.

We have board certified specialists in surgery to perform the advanced orthopedic procedures such as anterior cruciate ligament repair.All patients receive intravenous fluid therapy, cardiac and respiratory monitoring, oxygen saturation measurement, EKG, and audible breathing pattern devices during anesthesia.

ACT - activated clotting time (bleeding disorders) ACTH - adrenocorticotropic hormone (adrenal gland function) Ag - antigen test for proteins specific to a disease causing organism or virus Alb - albumin (liver, kidney and intestinal disorders) Alk - Phos, ALP alkaline phosphatase (liver and adrenal disorders) Allergy Testing intradermal or blood antibody test for allergen hypersensitivity ALT - alanine aminotransferase (liver disorder) Amyl - amylase enzyme — non specific (pancreatitis) ANA - antinuclear antibody (systemic lupus erythematosus) Anaplasmosis Anaplasma spp. (tick - borne rickettsial disease) APTT - activated partial thromboplastin time (blood clotting ability) AST - aspartate aminotransferase (muscle and liver disorders) Band band cell — type of white blood cell Baso basophil — type of white blood cell Bile Acids digestive acids produced in the liver and stored in the gall bladder (liver function) Bili bilirubin (bile pigment responsible for jaundice from liver disease or RBC destruction) BP - blood pressure measurement BUN - blood urea nitrogen (kidney and liver function) Bx biopsy C & S aerobic / anaerobic bacterial culture and antibiotic sensitivity test (infection, drug selection) Ca +2 calcium ion — unbound calcium (parathyroid gland function) CBC - complete blood count (all circulating cells) Chol cholesterol (liver, thyroid disorders) CK, CPK creatine [phospho] kinase (muscle disease, heart disease) Cl - chloride ion — unbound chloride (hydration, blood pH) CO2 - carbon dioxide (blood pH) Contrast Radiograph x-ray image using injected radiopaque contrast media Cortisol hormone produced by the adrenal glands (adrenal gland function) Coomb's anti- red blood cell antibody test (immune - mediated hemolytic anemia) Crea creatinine (kidney function) CRT - capillary refill time (blood pressure, tissue perfusion) DTM - dermatophyte test medium (ringworm — dermatophytosis) EEG - electroencephalogram (brain function, epilepsy) Ehrlichia Ehrlichia spp. (tick - borne rickettsial disease) EKG, ECG - electrok [c] ardiogram (electrical heart activity, heart arryhthmia) Eos eosinophil — type of white blood cell Fecal, flotation, direct intestinal parasite exam FeLV Feline Leukemia Virus test FIA Feline Infectious Anemia: aka Feline Hemotrophic Mycoplasma, Haemobartonella felis test FIV Feline Immunodeficiency Virus test Fluorescein Stain fluorescein stain uptake of cornea (corneal ulceration) fT4, fT4ed, freeT4ed thyroxine hormone unbound by protein measured by equilibrium dialysis (thyroid function) GGT gamma - glutamyltranferase (liver disorders) Glob globulin (liver, immune system) Glu blood or urine glucose (diabetes mellitus) Gran granulocytes — subgroup of white blood cells Hb, Hgb hemoglobin — iron rich protein bound to red blood cells that carries oxygen (anemia, red cell mass) HCO3 - bicarbonate ion (blood pH) HCT, PCV, MHCT hematocrit, packed - cell volume, microhematocrit (hemoconcentration, dehydration, anemia) K + potassium ion — unbound potassium (kidney disorders, adrenal gland disorders) Lipa lipase enzyme — non specific (pancreatitis) LYME Borrelia spp. (tick - borne rickettsial disease) Lymph lymphocyte — type of white blood cell MCHC mean corpuscular hemoglobin concentration (anemia, iron deficiency) MCV mean corpuscular volume — average red cell size (anemia, iron deficiency) Mg +2 magnesium ion — unbound magnesium (diabetes, parathyroid function, malnutrition) MHCT, HCT, PCV microhematocrit, hematocrit, packed - cell volume (hemoconcentration, dehydration, anemia) MIC minimum inhibitory concentration — part of the C&S that determines antimicrobial selection Mono monocyte — type of white blood cell MRI magnetic resonance imaging (advanced tissue imaging) Na + sodium ion — unbound sodium (dehydration, adrenal gland disease) nRBC nucleated red blood cell — immature red blood cell (bone marrow damage, lead toxicity) PCV, HCT, MHCT packed - cell volume, hematocrit, microhematocrit (hemoconcentration, dehydration, anemia) PE physical examination pH urine pH (urinary tract infection, urolithiasis) Phos phosphorus (kidney disorders, ketoacidosis, parathyroid function) PLI pancreatic lipase immunoreactivity (pancreatitis) PLT platelet — cells involved in clotting (bleeding disorders) PT prothrombin time (bleeding disorders) PTH parathyroid hormone, parathormone (parathyroid function) Radiograph x-ray image RBC red blood cell count (anemia) REL Rocky Mountain Spotted Fever / Ehrlichia / Lyme combination test Retic reticulocyte — immature red blood cell (regenerative vs. non-regenerative anemia) RMSF Rocky Mountain Spotted Fever SAP serum alkaline phosphatase (liver disorders) Schirmer Tear Test tear production test (keratoconjunctivitis sicca — dry eye,) Seg segmented neutrophil — type of white blood cell USG Urine specific gravity (urine concentration, kidney function) spec cPL specific canine pancreatic lipase (pancreatitis)-- replaces the PLI test spec fPL specific feline pancreatic lipase (pancreatitis)-- replaces the PLI test T4 thyroxine hormone — total (thyroid gland function) TLI trypsin - like immunoreactivity (exocrine pancreatic insufficiency) TP total protein (hydration, liver disorders) TPR temperature / pulse / respirations (physical exam vital signs) Trig triglycerides (fat metabolism, liver disorders) TSH thyroid stimulating hormone (thyroid gland function) UA urinalysis (kidney function, urinary tract infection, diabetes) Urine Cortisol - Crea Ratio urine cortisol - creatine ratio (screening test for adrenal gland disease) Urine Protein - Crea Ratio urine protein - creatinine ratio (kidney disorders) VWF VonWillebrands factor (bleeding disorder) WBC white blood cell count (infection, inflammation, bone marrow suppression)

``... The MSUs are cross-track scanners with measurements of microwave radiance in four channels ranging from 50.3 to 57.95 GHz on the lower shoulder of the Oxygen absorption band.

Burning of fossil fuels needs oxygen and the observed decrease in the atmosphere since measurements began in 1989 closely match the corresponding increase in CO2.

Rob — I'm not sure why you think the human origin of post-industrial CO2 increases is a subject of much uncertainty, since the conclusion resides in the convergence of multiple lines of evidence that include measurements of C14, C13, C12, atmospheric oxygen, volcanic activity, and records of industrial emissions.

«Measurements of oxygen isotopes from the GISP2 ice core suggest the ending of the Younger Dryas took place over just 40 — 50 years in three discrete steps, each lasting five years.

Mike Flynn November 19, 2015 at 9:33 pm «Measurements of oxygen isotopes from the GISP2 ice core suggest the ending of the Younger Dryas took place over just 40 — 50 years in three discrete steps, each lasting five years.

The real sink rate, based on oxygen decline measurements is about 20 % of the emissions in mass.

More exact for the partitioning between oceans and vegetation are found in the oxygen balance, but with large margins of error, as oxygen change measurements (a few ppmv in 200,000 ppmv) are extremely difficult, at the edge of the accuracy of the methods used.

Current research efforts in the Heterogeneous Catalysis project involve the design and study of new oxygen - and hydrogen - evolving materials and development of novel surface characterization methods for in situ measurements.

Temperatures aloft can be measured in a number of ways, two of which are useful for climate monitoring: by radiosondes (balloon - borne instrument packages, including thermometers, released daily or twice daily at a network of observing stations throughout the world), and by satellite measurements of microwave radiation emitted by oxygen gas in the lower to mid-troposphere, taken with an instrument known as the Microwave Sounding Unit (MSU).5 The balloon measurements are taken at the same Greenwich mean times each day, whereas the times of day of the satellite measurements for a given location drift slowly with changes in the satellite orbits.

«From our measurements, we estimated that the oxygen consumption within the eddies is some five times larger than in normal ocean conditions,» Karstensen explained.

Uses a time series of hydrographic and stable oxygen isotope (δ18O) measurements collected at a near - coastal site in Marguerite Bay to quantify the prevalence of meteoric freshwater (glacial melt plus precipitation) separately from sea ice melt

Surely measurements of CO2 in the past can't be that wrong — Cavendish measured the level of oxygen as about 21 % in the late 1700s so the ability to measure air percentages was sound.

JamesG, can you give some references to the literature where the errors in the oxygen measurement are that large that they invalidate that the biosphere is a net sink for CO2?

However, in the past measuring how productive coral reefs are has been time - consuming and expensive, requiring ongoing measurement as scientists need to trace the changes in the dissolved oxygen of seawater as it moves over the reef.

The team previously published their gas measurements in May 2016, reporting that carbon dioxide levels at both sites were below atmospheric saturation during the study period, whereas dissolved oxygen was slightly supersaturated.

«Satellites are not a thermometer in space, they're not making direct measurements of atmospheric temperature, they're measuring the microwave emissions from oxygen molecules,» Santer said.