Kayan gani raba allon, wato, kayan gani micrometer, ne surface zane daban-daban tsari1.5mmMai kauri na gani gilashin kwamfutar, za a iya shigar a kan microscope tabarau mai da hankali jirgin sama. Micrometer tare da madubiS8kumaPS8Tare da amfani, za a iya karanta girman samfurin ƙwayoyi daidai.

G57Wani nau'i ne na allon rarraba ruwan gani, wanda aka fi amfani da shi a masana'antar magunguna, don bincika da nazarin abubuwan da ke cikin samfurin, gano yanayin rarraba abubuwan da ke cikin samfurin. Lokacin da samfurin particle diameter kasa da50 mKo lokacin da yawan particles a cikin wani range,G57Ya dace da yin bincike na particle size.G57Black dots a kan partitioning alloy da kuma m zobe wakiltar particles kai tsaye10mda25mAbubuwa biyu, za a iya kwatanta su da ƙwayoyin. Bugu da ƙari, an haɗa ma'aunin kwance-kwance tare da sikelin.

G57Yawancin amfani10× abu: A lokacin gyara factor ne1. Idan an yi amfani da abubuwa tare da daban-daban ingantawa, gyara dalili zai canza. A wannan lokacin, dole ne a gyara microscope da farko, don haka da babban daidaitaccen diamita a cikin filin gani na ƙarshe daidai da na teburin daukar microscope1mm.

Rarraba allon tsabtace bukatun ne sosai high, duk wani kananan ƙura zai samar da babban baƙar fata maki a lokacin lura, a lokaci guda rarraba allon shigarwa matsayi daidaito bukatun ne sosai high, saboda haka, kokarin kada a cire, idan cire, tabbatar da dawo kamar yadda yake. Zaɓin diamita na partition dole ne ya dace da tabaraun ruwa da aka yi amfani da shi, kuma shi ne kadan ƙananan diamita fiye da tabaraun ruwa. Daban-daban tabaraun ruwa su raba allon gina matsayi da kadan bambanci. Hoton da ke ƙasa ya ba da zane-zane da aka gina a cikin Cagnel tabarau:

1 Idan aka zaɓi10× abubuwa, a kan allon10mmLong sikelin wakiltar samfurin tebur a kan1mm (10mm / 10)×= 1mm)；

2 Idan samfurin da za a gwada tsawon0.05mmShirye don amfani40× abubuwa, to, za a bukaci ka zabi wani sikelin range hada2mm（0.05mm×40×2mm）

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