sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special … Universalium
Multifactor design of experiments software — Software that is used for designing factorial experiments plays an important role in scientific experiments generally and represents a route to the implementation of design of experiments procedures that derive from statistical and combinatoric… … Wikipedia
survey — survey, social survey At first, a survey was any systematic collection of facts about a defined social group, and the term is still used in this way. The term survey is therefore not necessarily synonymous with ‘questionnaire survey’, since other … Dictionary of sociology
survey, social survey — At first, a survey was any systematic collection of facts about a defined social group, and the term is still used in this way. The term survey is therefore not necessarily synonymous with ‘questionnaire survey’, since other methods of data… … Dictionary of sociology
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Centrifugal Micro-fluidic Biochip — The centrifugal mico fluidic biochip or centrifugal micro fluidic biodisk is a type of lab on a chip technology that can be used to integrate processes such as separating, mixing, reaction and detecting molecules of nano size in a single piece of … Wikipedia
Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… … Universalium
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
