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单词 microprojection
释义

microprojectionn.

Brit. /ˌmʌɪkrə(ʊ)prəˈdʒɛkʃn/, U.S. /ˈˌmaɪkroʊprəˈdʒɛkʃ(ə)n/
Origin: Formed within English, by compounding. Etymons: micro- comb. form, projection n.
Etymology: < micro- comb. form + projection n.
1. Science. The projection of a microscopic image, for display, drawing, etc.; an image projected in this way.
ΘΚΠ
the world > physical sensation > sight and vision > optical skills and techniques > [noun] > other techniques
collimation1687
autocollimation1870
neutralization1897
microprojection1904
Foucault method1923
orthostereoscopy1928
phase contrast1934
1904 Jrnl. Royal Microsc. Soc. 582 The firm..manufacture an optical bench and appliances for..micro-projection, and optical lantern projection.
1932 Jrnl. Royal Microsc. Soc. 52 134 The microprojection of a subject for reconstruction work is best accomplished by using an apparatus affixed in the vertical position, projecting the image upon a horizontal table for ease in drawing.
1943 Amer. Jrnl. Bot. 30 115 (caption) Drawings from microprojections of transverse sections of the shoot tip of redwood.
1972 Japanese Jrnl. Pharmacol. 22 636 The reactive points were identified with the aid of microprojection apparatus to make the composite map from the serial sections obtained from individual animals.
1999 Marine Biol. 133 185 Beat frequency of the lateral cilia..was measured in intact specimens using a microprojection objective and a monochrome CCD video camera.
2. Biology and Medicine. A projection of microscopic size (from a cell, surface, etc.).
ΚΠ
1970 Science 447/1 The electron micrographs of other workers..have shown the macrophage to be rough-surfaced with microprojections.
1978 Jrnl. National Cancer Inst. 61 1415 The neural cells exhibited..an increased number of other surface microprojections.
1984 Amer. Jrnl. Anat. 171 207 Microprojections of epithelial cytoplasm are often observed within these pores.
1990 Instruments & Exper. Techniques 33 642 The possibility of estimation of the roughness of the boundary between the metal and dielectric substrate (in the range of microprojection heights of 2–20 nm) is determined.
2000 Liver 180 455 The luminal surface is studded with low sparse pleiomorphic microprojections at the point of capillary emergence.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1904
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