Feem ntau siv "ntub- txheej txheem" fluxes feem ntau muaj ob hom: ib qho siv ammonium chloride (NH₄Cl) ua cov flux ib leeg, thaum lwm tus siv cov sib xyaw ntawm ammonium chloride thiab zinc chloride (ZnCl₂·2NH₂Cl los yog ZnCl₂xCl.3NH) Tsis tas li ntawd, cov tshuaj ntxiv xws li glycerol (kwv yees li 6% ntawm qhov hnyav flux) lossis glycerol propanol (li 1% ntawm qhov hnyav flux) feem ntau suav nrog. Qee cov formulations kuj muaj xws li ntoo chips los yog qab zib raws li foaming agents khaws cia nyob rau hauv lub flux.
49. Dab tsi yog qhov tseem ceeb ntawm cov ntub dej - txheej txheem flux?
Jan 05, 2026
Xa kev nug
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