Tus Nanometer yog dab tsi?

Piv txwv: Cov cav tov me me siv heev

Lub nanometer (nm) yog ib chav nyob ntev hauv qhov system, sib npaug ntawm ib billionth ntawm lub ntsuas (1 x 10-9 m). Ntau tus neeg yuav tau hnov ​​txog nws ua ntej-nws nquag txuam nrog nanotechnology thiab tsim los sis kawm txog tej yam me me. Tus nanometer yog obviously me dua li ib lub 'meter', tab sis koj yuav tsum wondering me me xwb? Los yog, hom kev lag luam lossis cov khoom siv hauv lub ntiaj teb tiag yog ua licas rau ntawm qhov ntsuas nanoscopic?

Los yog, nws yuav ua li cas rau lwm qhov kev ntsuas ntawm qhov ntev?

Tus Neeg Nanometer tsawg npaum li cas?

Cov kev ntsuas metric yog txhua yam nyob ntawm lub ntsuas. Tshawb xyuas cov kab los yog ntsuas kab xev, thiab koj tuaj yeem pom cov cim cov cim rau cov meters, cov xaum moos, thiab cov millimeters. Nrog rau txhua yam xaum fais fab thiab khov kho tes, nws tsis nyuaj rau kos kab ib qhov millimeter sib nrug. Tam sim no xav txog kev ua kom haum rau ib plhom rau txoj kab sib luag nyob hauv qhov chaw ntawm lub millimeter- that's a nanometer. Ua cov kab no mas nws yuav tsum tau siv cov khoom tshwj xeeb los ntawm:

• Tus nanometer (nm) yog me dua ib tug ..

• micrometer (μm), uas yog me dua tus ..

• millimeter (hli), uas yog me dua li ib tug ..

• centimeter (cm), uas yog me dua ib tug ..

• decimeter (dm), uas yog me dua ib tug.

• meter (m)

Tsis muaj kev pab ntawm cov cuab yeej siv (piv txwv li magnifying tsom, microscopes), ib txwm muaj tib neeg lub qhov muag (piv txwv li tsis pom kev) muaj peev xwm pom cov khoom ntawm ib nrab ntawm ib nrab millimeter inch, uas yog sib npaug li 20 micrometers.

Kom muab qhov loj ntawm 20 micrometers ib co ntsiab lus teb, saib seb koj puas tuaj yeem txheeb xyuas cov paj rwb / acrylic fiber tawm ntawm lub tsho tawm (tuav nws tawm tsam lub teeb ci yuav pab tau immensely) los yog ntab hauv cov huab cua zoo li hmoov av. Los sis tshem me ntsis cov xuab zeb zoo hauv lub xib teg ntawm koj txhais tes kom nrhiav tau cov qis tshaj plaws, tsis tshua pom muaj ntses.

Yog hais tias cov me nyuam yaus ua nyuaj, ua tibzoo saib cov plaubhau hauv lub noob xwb, uas yog li ntawm 18 micrometers (zoo heev) rau 180 micrometers (heev heev).

Thiab tag nrho cov uas tsuas yog qhov micrometer qib - nanometer cov khoom me me yog ib lub sij hawm me me!

Atoms thiab Hlwb

Tus nanoscale feem ntau yog qhov ntev ntawm ib thiab 100 nanometers, uas muaj txhua yam ntawm atomic mus rau theem ntawm cov qib. Cov kab mob sib kis los ntawm 50 thiab 200 nanometers loj. Qhov nruab nrab thickness ntawm ib daim nyias nyias ntawm tes yog nruab nrab ntawm 6 nanometers thiab 10 nanometers. Ib qho helix ntawm DNA yog kwv yees li 2 nanometers hauv kab, thiab cov nanotubes cov roj yuav ua tau me me li 1 nanometer inch.

Muab cov piv txwv, nws yooj yim to taub tias nws yuav tsum siv cov cuab yeej hluav taws xob thiab cov khoom npliag (piv txwv tias qhov kev xa cov kab xev) kom sib cuam tshuam nrog (ie duab, ntsuas, qauv, tswj, thiab ua khoom) cov khoom ntawm lub nanoscopic scale. Thiab muaj cov neeg ua li no txhua hnub nyob hauv cov teb xws li:

• Chemistry

• Biology

• Physics

• Cov ntaub ntawv Science

• Engineering

• Tshuab

Muaj ntau ntau cov qauv ntawm cov khoom niaj hnub ua rau ntawm tus nanometer nplai. Qee yam tshuaj me uas tsim kom muaj peev xwm xa cov tshuaj mus rau tej lub hlwb. Cov khoom siv hluav taws xob niaj hnub tsim los ntawm cov txheej txheem uas tsim molecules nrog nanometer precision.

Cov nanotubes cov roj siv los txhim kho thermal thiab hluav taws xob khoom ntawm cov khoom. Thiab lub Samsung Galaxy S8 smartphone thiab kua iPad Pro ntsiav tshuaj (thib ob-gen) ob qho tag nrho feature processors tsim los ntawm 10 nm.

Lub neej yav tom ntej muaj ntau hauv khw rau nanometer-qhov loj cov kev siv thiab kev siv tshuab. Txawm li cas los xij, tus nanometer tsis yog qhov ntsuas tsawg tshaj plaws! Saib cov lus hauv qab no kom pom tias nws sib piv li cas.

Cov Txheej Txheem Lub Cev