Granite, lub pob zeb ntuj paub txog nws cov kav ntev thiab ruaj khov, ua lub luag haujlwm tseem ceeb hauv kev saib xyuas cov khoom siv kho qhov muag. Qhov tseeb xav tau hauv cov tshuab kho qhov muag xws li telescopes, microscopes thiab koob yees duab yuav tsum muaj lub hauv paus ruaj khov thiab txhim khu kev qha. Granite muab qhov kev txhawb nqa tseem ceeb no los ntawm nws cov khoom tshwj xeeb.
Ib qho ntawm cov laj thawj tseem ceeb ntawm granite yog nyiam rau cov khoom siv kho qhov muag yog nws qhov zoo heev rigidity. Cov cuab yeej kho qhov muag muaj qhov cuam tshuam rau kev co thiab kev txav, uas tuaj yeem ua rau tsis zoo thiab ua haujlwm tsis zoo. Granite cov qauv ntom ntom txo qis kev vibration, ua kom cov optics tswj kev sib raug zoo. Qhov kev ruaj ntseg no tseem ceeb heev rau kev ua tiav cov kev ntsuas meej thiab cov duab zoo.
Granite kuj tseem tiv taus thermal expansion. Cov khoom siv kho qhov muag feem ntau ua haujlwm nyob rau hauv kev hloov pauv kub, uas tuaj yeem ua rau cov ntaub ntawv nthuav tawm lossis cog lus. Qhov kev hloov pauv no tuaj yeem ua rau misalignment thiab cuam tshuam rau kev ua haujlwm ntawm optical system. Granite muaj cov coefficient tsawg ntawm thermal expansion, uas txhais tau hais tias nws tswj nws cov duab thiab loj txawm tias qhov kub thiab txias hloov, muab lub hauv paus txhim khu kev qha rau cov khoom siv kho qhov muag.
Ntxiv rau nws cov khoom siv lub cev, granite yog yooj yim los tswj. Nws qhov chaw tsis muaj qhov ntxeem tau tiv thaiv cov plua plav thiab cov khoom paug, uas yog qhov tseem ceeb rau cov khoom siv kho qhov muag uas yuav tsum tau muaj ib puag ncig huv rau kev ua haujlwm zoo. Kev tu koj qhov chaw granite tsis tu ncua yog qhov yooj yim thiab ua kom koj cov cuab yeej tseem nyob hauv qhov zoo tshaj plaws.
Tsis tas li ntawd, qhov zoo nkauj ntawm granite tsis tuaj yeem tsis quav ntsej. Ntau lub chaw soj nstuam thiab cov chaw kho qhov muag xaiv granite rau nws cov kev ua haujlwm zoo li qub, uas txhim kho tag nrho ib puag ncig thiab ua kom pom kev cog lus kom zoo.
Hauv cov ntsiab lus, qhov tseem ceeb ntawm granite hauv kev saib xyuas cov khoom siv kho qhov muag tsis tuaj yeem overstated. Nws rigidity, tsis kam mus rau thermal expansion, yooj yim ntawm kev txij nkawm thiab zoo nkauj ua rau nws zoo tagnrho rau kev txhawb nqa thiab tswj kev ncaj ncees ntawm optical systems. Raws li thev naus laus zis txuas ntxiv mus, granite yuav txuas ntxiv ua lub luag haujlwm tseem ceeb hauv cheeb tsam no, kom ntseeg tau tias cov khoom siv kho qhov muag ua haujlwm ntawm nws qhov zoo tshaj plaws.
Post lub sij hawm: Jan-13-2025