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Grignard reagent
(Encyclopedia) Grignard reagentGrignard reagentgrēnyärdˈ rēāˈjənt [key], any of an important class of extremely reactive chemical compounds used in the synthesis of hydrocarbons, alcohols, carboxylic…Herzberg, Gerhard
(Encyclopedia) Herzberg, GerhardHerzberg, Gerhardgĕrˈhärt hûrtsˈbûrg [key], 1904–99, Canadian physicist, b. Hamburg, Germany. He studied at Darmstadt, Göttingen, and Bristol, England, receiving a…Michael, king of Romania
(Encyclopedia) Michael, 1921–2017, king of Romania (1927–30, 1940–47). His father, Prince Carol (later Carol II), renounced his right of succession in 1925, and young Michael ascended the throne…Orbiting Geophysical Observatory
(Encyclopedia) Orbiting Geophysical Observatory (OGO), series of six orbiting observatories (see observatory, orbiting) launched between 1964 and 1969 by the National Aeronautics and Space…mass spectrograph
(Encyclopedia) mass spectrograph, device used to separate electrically charged particles according to their masses; a form of the instrument known as a mass spectrometer is often used to measure the…Tsien, Roger Yonchien
(Encyclopedia) Tsien, Roger Yonchien, 1952–2016, American biochemist, b. New York City, Ph.D. Cambridge, 1977. Tsien was a researcher at Cambridge (1977–81) and a professor at the Univ. of California…thermionic emission
(Encyclopedia) thermionic emissionthermionic emissionthûrmˌīŏnˈĭk [key], emission of electrons or ions by substances that are highly heated, the charged particles being called thermions. The number…Anatomy and
Physiology: You've Got Potential
You've Got PotentialAnatomy and
PhysiologyThe Nervous SystemThe Great DivideSupport StaffNeuronsConnecting with SynapsesYou've Got Potential
If you remember the basics of polarized membranes from…Chemistry: What Are Acids and Bases?
What Are Acids and Bases?ChemistryAcids and BasesWhat Are Acids and Bases?Properties of Acids and BasesThe pH ScaleTitrationsBuffers Although I've told you that acids and bases aren't hard to…Chemistry: What's in a Name? Ionic Nomenclature
What's in a Name? Ionic NomenclatureChemistryIonic CompoundsWhat's an Ionic Compound?How Ionic Compounds Are FormedProperties of Ionic CompoundsWhat's in a Name? Ionic Nomenclature If you've been…