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Ihe mmetụta dị mma ala

Ị nwere ike ịgwa anyị ihe ndị ọzọ gbasara mmetụta salinity na nsonaazụ ya?Enwere ụdị mmetụta capacitive nke okpukpu abụọ nke ion n'ime ala?

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Ọ ga-adị mma ma ọ bụrụ na ị nwere ike igosi m ozi ndị ọzọ gbasara nke a.Enwere m mmasị ịme nha mmiri nke ala dị elu.

Cheedị ma ọ bụrụ na enwere onye nduzi zuru oke na gburugburu ihe mmetụta (dịka ọmụmaatụ, ọ bụrụ na ihe mmetụta ahụ na-emikpu n'ime mmiri gallium metal), ọ ga-ejikọta efere capacitor na-ahụ ihe na ibe ya ka naanị ihe mkpuchi n'etiti ha ga-abụ mkpuchi conformal dị nro na nke ọzọ. bọọdụ sekit.

Sensọ capacitive ndị a dị ọnụ ala, nke e wuru na ibe 555, na-arụkarị ọrụ ugboro ugboro na iri kHz, nke dị oke ala iji kpochapụ mmetụta nke nnu gbazere.O nwere ike ịdị ala nke ukwuu iji kpata nsogbu ndị ọzọ dị ka absorption dielectric, nke gosipụtara onwe ya dị ka hysteresis.

Rịba ama na bọọdụ sensọ bụ n'ezie capacitor n'usoro ya na sekit ala nhata, otu n'akụkụ nke ọ bụla.Ị nwekwara ike iji electrode na-enweghị mkpuchi na-enweghị mkpuchi ọ bụla maka njikọ kpọmkwem, mana electrode ga-agbaze ngwa ngwa n'ime ala.Ngwa nke igwe eletrik ga-eme ka polarization na gburugburu ala + mmiri.A na-atụle ikike ikike dị mgbagwoju anya dị ka ọrụ nke ọkụ eletrik etinyere, ya mere polarization nke ihe na-adị mgbe niile n'azụ ọkụ eletrik etinyere.Ka ugboro ugboro nke etinyere na-abawanye n'ime elu MHz dị elu, akụkụ a na-eche n'echiche nke mgbagwoju anya dielectric mgbe niile na-adaba nke ọma dị ka polarization dipole anaghịzi agbaso mgbagharị ọkụ eletrik dị elu.

N'okpuru ~ 500 MHz, akụkụ echiche nke dielectric na-adịgide adịgide na-achịkwa salinity na, n'ihi ya, conductivity.N'elu frequencies ndị a, polarization dipole ga-ebelata nke ukwuu na mkpokọta dielectric mgbe niile ga-adabere na ọdịnaya mmiri.

Imirikiti ihe mmetụta azụmahịa na-edozi nsogbu a site na iji obere ugboro na iji usoro nhazi nhazi iji kọwaa njirimara ala na ugboro ole.


Oge nzipu: Jan-25-2024