Sentences with phrase «oxygen ions in»

Eight bright X-ray sources located far beyond the galaxy at distances of hundreds of millions of light - years were observed with Chandra, which revealed that the X-rays from these distant sources are absorbed selectively by oxygen ions in the vicinity of our galaxy.

«To do this,» explains Antonio Cabrera Lavers, head of astronomy at the GTC and one of the authors of the paper, «we have used for the first time the blue tunable filter of OSIRIS to take a deep image centred on the emission from the recombination lines of one of the oxygen ions in the planetary nebula 6778.»

Not exact matches

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

A good example of this is the uranyl, -LCB- UO2 -RCB- 2 + ion which is widely prevalent in the environment naturally and also nuclear waste where the two oxygen atoms reside opposite each other and are bonded very strongly to the uranium.

In 2008, sensors onboard Japan's Kaguya moon - orbiting probe detected a dramatic change in the kinds of oxygen ions striking the craft during a narrow window each montIn 2008, sensors onboard Japan's Kaguya moon - orbiting probe detected a dramatic change in the kinds of oxygen ions striking the craft during a narrow window each montin the kinds of oxygen ions striking the craft during a narrow window each month.

For instance, Escoubet suggests, he and his team can look at data from their Earth - orbiting satellites gathered at the same time as the Kaguya data to see whether they, too, show similar increases in singly charged oxygen ions streaming from Earth.

They carefully selected ions that react with volatile trace gases, but don't react with abundant compounds in breath such as oxygen and nitrogen.

Unlike water or regular ice, in superionic ice the water molecules dissociate into charged atoms called ions, with the oxygen ions locked in a solid lattice, while the hydrogen ions move like the molecules in a liquid.

The gamma rays strip electrons from the molecules in the surrounding air, and the resulting free electrons lose energy and readily attach to oxygen molecules to create elevated levels of negatively charged oxygen ions around the radioactive materials.

Another is poor in oxygen - 16, and it wasn't clear where that came from, until the team looked at the data and compared this component to the ions in Earth's atmosphere.

Another major advance in lithium - ion batteries is reported in the Nature Communications paper, «Mitigating oxygen loss to improve the cycling performance of high capacity cation - disordered cathode materials,» which shows that disordered materials can be fluorinated, unlike other battery materials.

During use, lithium ions stored in the graphite flow to the lithium - based electrode, where they form chemical bonds with oxygen atoms, a reaction that generates an electric current.

In them, each compound contains planes of oxygen and copper ions arranged in a square patterIn them, each compound contains planes of oxygen and copper ions arranged in a square patterin a square pattern.

«Sodium ions are much smaller than the hydrogen protons bound to oxygen molecules in the water in our bodies which are mapped by conventional MRI.

This new paper, published in the journal Applied and Environmental Microbiology, demonstrates that MRSA die on copper surfaces by a multifaceted attack from copper ions and reactive oxygen species (ROS).

In 1979, when Voyager 1 and Voyager 2 passed by Jupiter, Krimigis's detectors picked up sulfur and oxygen ions whipped up by the giant planet's powerful magnetic fields.

After breaking away from the molecule in the strong laser field, the electron returned and was scattered on a molecular ion, which resulted in the molecule dissociation into a positive nitrogen ion and an oxygen atom.

ICING OUT An unusual form of ice is made of a solid lattice of oxygen ions (circles in this illustration) through which hydrogen ions travel freely (pink trails), like a liquid.

Crocodiles use a waste product of metabolism — the bicarbonate ions formed when carbon dioxide dissolves in water — as the trigger for haemoglobin to unload the oxygen it carries.

They looked for those that were triggered to release oxygen by bicarbonate ions, and found that human haemoglobin behaved like its counterpart in crocodiles if it contained a particular sequence of just 12 amino acids from the crocodile's haemoglobin.

Here, the electrons react with hydrogen ions in the solution and oxygen from the air to form water.

But he'd still like to know which genes turn on first — those involved in oxygen exchange or those involved in ion exchange.

Clarice Fu, then a graduate student at the University of British Columbia in Canada, measured ion and oxygen levels at both ends of the larvae.

«We directly react the lithium with oxygen instead of cobalt,» the material most commonly used in current - generation lithium - ion batteries.

The molecular structure of the active material in the battery electrodes is composed of nickel (Ni), manganese (Mn) and oxygen (O)-- where the structure is a relatively rigid crystal lattice into which the lithium ions, as mobile charge carriers, can be inserted or extracted.

This aurora is driven by Jupiter's intense magnetic field, which causes particles to reach such high speeds that they can split the water molecules in the plume when they hit them, resulting in oxygen and hydrogen ions which leave their telltale imprint in the colours of the aurora.

In particular, a charged molecule called hydronium, which has three hydrogen atoms and one oxygen ion, can transform into water (plus an independent hydrogen atom) if it captures a free - floating electron.

Researchers at Aalto University in Finland have visualized how oxygen ion migration in a complex oxide material causes the material to alter its crystal structure in a uniform and reversible fashion, prompting large modulations of electrical resistance.

The researchers found that migration of oxygen ions away from the contact area results in an abrupt change in the oxide lattice structure and an increase of electrical resistance.

In this hot ice, the oxygen ions of the water molecules behave like a solid, staying in place to form a lattice, while the hydrogen ions flow through it like a fluiIn this hot ice, the oxygen ions of the water molecules behave like a solid, staying in place to form a lattice, while the hydrogen ions flow through it like a fluiin place to form a lattice, while the hydrogen ions flow through it like a fluid.

In order to measure the proportions of the oxygen isotopes in the zircons, the team, led by scientist Alexander Nemchin, used a device called an ion microprobIn order to measure the proportions of the oxygen isotopes in the zircons, the team, led by scientist Alexander Nemchin, used a device called an ion microprobin the zircons, the team, led by scientist Alexander Nemchin, used a device called an ion microprobe.

Morihara believes that the aluminium ions bond to the silica, then grip the oxygen atoms in the alanines.

Visualization of molecular dynamics simulations showing the fast diffusion of hydrogen ions (pink trajectories) within the solid lattice of oxygen in superionic ice.

Whether the ions are lithium ions, in the case of lithium ion batteries, or oxygen ions, in the case of the oxide materials, their reversible motion causes the material to expand and contract.

While they demonstrated the process using one particular oxide compound, the researchers say the findings could apply broadly to a variety of oxide materials, and even to other kinds of ions in addition to oxygen, moving in and out of the oxide layer.

A type of wave that can exist in a plasma (such as the region of space above Earth's aurora), which vibrates at an ion cyclotron frequency that corresponds to the ion type present (oxygen, helium, hydrogen, etc.).

The etching is done in a plasma chamber where the diamond is bombarded by argon and oxygen ions, ripping the carbon atoms out of the diamond crystal.

This cationic region draws in water's oxygen atoms and allows the ion to reside peacefully in the liquid.

In the ionosphere, the ions of the solar wind collide with atoms of oxygen and nitrogen from the Earth's atmosphere.

These are «holes» in atomic arrays where oxygen ions should exist, but don't.

In making the material, the researchers found the tantalum oxide gradually loses oxygen ions, changing from an oxygen - rich, nanoporous semiconductor at the top to oxygen - poor at the bottom.

In an artificial photosynthetic system, the oxidation of water molecules into oxygen, electrons and protons (hydrogen ions) provides the electrons needed to produce liquid fuels from carbon dioxide and water.

Generally speaking, negative ions increase the flow of oxygen to the brain; resulting in higher alertness, decreased drowsiness, and more mental energy,» says Pierce J. Howard, PhD, author of The Owners Manual for the Brain: Everyday Applications from Mind Brain Research and director of research at the Center for Applied Cognitive Sciences in Charlotte, N.C.

In order to ensure that your health is not compromised, an integrated approach which includes nutritional counseling, special air filters, a special oxygenated water system, negative ion generators, oxygen masks and rubber dams is used for mercury removal and other toxic metals.

Energy metabolism and the production of Reactive Oxygen Species (very small molecules that can result in significant damage to cell structures, of which include oxygen ions, free radicals and peroxides) are thought to underpin many nuerodegenerative disorders, and creatine is thought to enhance the brains ability to survive the metabolic and physical trauma associated with these condiOxygen Species (very small molecules that can result in significant damage to cell structures, of which include oxygen ions, free radicals and peroxides) are thought to underpin many nuerodegenerative disorders, and creatine is thought to enhance the brains ability to survive the metabolic and physical trauma associated with these condioxygen ions, free radicals and peroxides) are thought to underpin many nuerodegenerative disorders, and creatine is thought to enhance the brains ability to survive the metabolic and physical trauma associated with these conditions.

Harriet: Two of the reactive oxygen species formed in mitochondria are the superoxide radical, which is also an ion, and the hydroxy radical.

The combination of the water, salt, and the array are meant to generate negative ions by separating oxygen and hydrogen from the water, neutralizing charged particles in the body and drawing toxins with the opposite charges out.

As the most advanced expression of the electric vehicle concept, Honda's hydrogen fuel cell vehicle utilizes electricity generated by combining hydrogen and oxygen in a fuel cell stack, and electricity stored in its lithium - ion battery pack to power the vehicle's electric motor.

If your dog was taken to a facility specializing in emergencies, blood will be drawn periodically to be sure that its electrolyte (salts and ions) gas (CO2 and Oxygen) constituents and acidity (pH) are maintained within normal limits.

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)