Seboka sa Pittsburgh sa Analytical Chemistry and Applied Spectroscopy (Pittcon) United States ke pontšo ea khale ka ho fetisisa ea lisebelisoa tsa laboratori le theknoloji Amerika Leboea.Pontšo e boetse e kenyelletsa seboka sa Pittcon, merero ea lipatlisiso tsa tekheniki, lithuto tse khutšoane, joalo-joalo, ntle le pelaelo ...
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