. Ingaruka nziza zo gushushanya
Kubaka byoroshye
Umwanda uke w’ibidukikije
. Ihendutse cyane
. Ikoreshwa cyane.
| Ikintu | Igisanzwe |
| Ubushyuhe (Stormer viscometer), Ku | amabara yose, irangi rikozwe mu buryo bwa firime |
| Igipimo cy'ifatizo | 50 |
| Igihe cyo kumisha (25 ℃), H | Kuma kw'ubuso≤isaha 1, kuma kw'ubukonje≤amasaha 24, byakize neza mu minsi 7 |
| Aho umuraba ugaragara, ℃ | 29 |
| Ibikubiye mu nyandiko bifatika | ≥50 |
1. Pima kole ya A na B ukurikije uburemere bwatanzwe mu gikoresho cyateguwe gisukuye, ongera uvange neza urukuta rw'igikoresho ukurikije icyerekezo cy'isaha, ugishyiremo iminota 3 kugeza kuri 5, hanyuma ushobora kuyikoresha.
2. Fata kole ukurikije igihe n'ingano y'uruvange bikoreshwa kugira ngo wirinde gupfusha ubusa. Iyo ubushyuhe buri munsi ya 15 ℃, banza ushyushye kole ya A kuri 30 ℃ hanyuma uyivange na kole ya B (Kole izaba ikomeye mu bushyuhe buke); Kole igomba gupfundikirwa nyuma yo kuyikoresha kugira ngo wirinde kwangwa n'ubushuhe buterwa no kwinjiza amazi.
3. Iyo ubushyuhe buri hejuru ya 85%, ubuso bw'uruvange rwavuwe buzafata ubushuhe mu kirere, bugahinduka urwego rw'igihu cy'umweru hejuru, bityo iyo ubushuhe buri hejuru ya 85%, ntibukwiriye gukoreshwa mu gukaraba ubushyuhe bw'icyumba, gira inama yo gukoresha uburyo bwo gukaraba ubushyuhe.
Ubushyuhe bw'ubutaka bwo hasi ntabwo buri munsi ya 5°C, kandi nibura 3°C ugereranyije n'ubushyuhe bw'ikirere, ubushyuhe bugomba kuba buri munsi ya 85% (bugomba gupimwa hafi y'ibikoresho byo hasi), igihu, imvura, urubura, umuyaga n'imvura birabujijwe cyane kubaka.
Igihe cyo kongera gusiga irangi
| Ubushyuhe buri hagati y'ikirere, ℃ | 5 | 25 | 40 |
| Igihe gito cyane, h | 32 | 18 | 6 |
| Igihe kirekire cyane, umunsi | Iminsi 7 | ||