nanometres

  • 31coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… …

    Universalium

  • 32Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …

    Universalium

  • 33Physical 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

  • 34infectious disease — Introduction       in medicine, a process caused by a microorganism that impairs a person s health. An infection, by contrast, is the invasion of and replication in the body by any of various microbial agents including bacteria, viruses (virus),… …

    Universalium

  • 35photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …

    Universalium

  • 36BACTÉRIES — Bien que l’existence des micro organismes ait été révélée par les premiers microscopes, voilà près de trois cents ans, il fallut pourtant attendre les travaux de Pasteur et de ses contemporains pour découvrir l’importance des bactéries dans la… …

    Encyclopédie Universelle

  • 37MYXOVIRUS — Nom d’une famille de virus comprenant le groupe des orthomyxovirus (souvent désignés comme «myxovirus») et celui des paramyxovirus. Dans cette famille, la forme des virions est similaire et une propriété est commune: la capacité d’agglutiner les… …

    Encyclopédie Universelle

  • 38Cytosol — The cytosol is a crowded solution of many different types of molecules that fills much of the volume of cells.[1] The cytosol or intracellular fluid (or cytoplasmic matrix) is the liquid found inside cells, that is separated into compartments by… …

    Wikipedia

  • 39DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two …

    Wikipedia

  • 401 nanometre — To help compare different orders of magnitudes this page lists lengths between 10−9 metres and 10−8 metres (1 nanometres and 10 nanometres). Distances shorter than 1 nanometre 1 nm = 1 nanometre = 1000 picometres = 10 angstroms 1 nm… …

    Wikipedia