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Nga Whakaritenga Hangarau mo S ...
2021-07-09
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Tūtohi rere o te konutai formald ...
2021-07-09
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Tono me te tukatuka tukatuka ...
2021-07-09
- Ko te #Sodiumdithionite, e mohiotia ana ko #sodiumhydroxide, he karaihe kirikiri ma, he mea kowhai ranei he kowhai paura. 2021-02-18
- Kei te tata mai te # SpringFestival 2021-02-17
- Ko te mahinga whakaputa o te tikanga #sodiumformate 2021-02-28
- Ko etahi tohu awhina tatauranga #chemical: 2021-02-28
- Ko te puranga #rongalite he mea hanga ma te whakamahi i te #sodiummetabisulfite, #zincpowder, me te formaldehyde hei rauemi mata hei kawe i nga tauhohenga redox ki te wai. 2021-03-31
- Te ahua me nga ahuatanga: te paura karaihe ma 2021-03-31
