Shuohao Cai, nwa akwụkwọ doctorate na sayensị ala, tinyere mkpanaka sensọ nwere ihe mmado sensọ dị iche iche nke na-enye ohere nha n'ime ala dị iche iche na Mahadum Wisconsin-Madison Hancock Agricultural Research Station.
MADISON — Ndị injinia Mahadum Wisconsin-Madison emepụtala ihe mmetụta dị ọnụ ala nke nwere ike inye nlekota nitrate n'oge na-aga n'ihu na ụdị ala Wisconsin a na-ahụkarị. Ihe mmetụta electrochemical ndị a e biri ebi nwere ike inyere ndị ọrụ ugbo aka ime mkpebi njikwa nri nke ọma ma nweta uru akụ na ụba.
“Ihe mmetụta anyị nwere ike inye ndị ọrụ ugbo nghọta ka mma banyere ọnọdụ nri nke ala ha na oke nitrate dị na osisi ha, na-enyere ha aka ikpebi nke ọma oke fatịlaịza ha chọrọ n'ezie,” ka Joseph Andrews, osote prọfesọ na Mahadum Harvard kwuru. Ụlọ Akwụkwọ Injinịa Mekaniki na Mahadum Wisconsin-Madison duziri ọmụmụ ihe a. “Ọ bụrụ na ha enwee ike ibelata ọnụọgụ fatịlaịza ha na-azụta, nchekwa ego nwere ike ịdị oke mkpa maka ugbo ndị buru ibu.”
Nitrates bụ ihe dị mkpa maka uto ihe ubi, mana oke nitrates nwere ike isi n'ala gbapụta ma banye n'ime ala mmiri. Ụdị mmetọ a na-emerụ ndị mmadụ na-aṅụ mmiri olulu mmiri ruru unyi ma na-emerụ gburugburu ebe obibi ahụ. Enwere ike iji ihe mmetụta ọhụrụ nke ndị nchọpụta ahụ mee ihe dị ka ngwa nyocha ọrụ ugbo iji nyochaa nsị nitrate ma nyere aka ịmepụta ụzọ kachasị mma iji belata mmetụta ọjọọ ya.
Usoro ndị a na-eme ugbu a maka inyocha nitrate ala na-ewe oge dị ukwuu, ha dịkwa oke ọnụ, ha anaghịkwa enye data ozugbo. Ọ bụ ya mere ọkachamara n'ihe gbasara eletrọniki ebipụtara bụ́ Andrews na ndị otu ya ji malite ịmepụta ngwọta ka mma, nke na-adịghịkwa oke ọnụ.
N'ọrụ a, ndị nchọpụta jiri usoro ibipụta inkjet mepụta ihe mmetụta potentiometric, ụdị ihe mmetụta electrochemical dị gịrịgịrị. A na-ejikarị ihe mmetụta Potentiometric atụ nitrate nke ọma na mmiri mmiri. Agbanyeghị, ihe mmetụta ndị a anaghị adabara maka ojiji na gburugburu ala n'ihi na nnukwu ihe ndị dị n'ala nwere ike ịkpacha ihe mmetụta ahụ ma gbochie nha ziri ezi.
"Isi ihe ịma aka anyị na-agbalị idozi bụ ịchọta ụzọ isi mee ka ihe mmetụta electrochemical ndị a rụọ ọrụ nke ọma n'ọnọdụ ala siri ike ma chọpụta ion nitrate nke ọma," Andrews kwuru.
Ihe ngwọta nke otu ahụ bụ itinye oyi akwa nke polyvinylidene fluoride na ihe mmetụta ahụ. Dịka Andrews si kwuo, ihe a nwere ihe abụọ dị mkpa. Nke mbụ, o nwere obere oghere, ihe dị ka nanomita 400 n'ogo, nke na-enye ohere ka ion nitrate na-agafe ebe ọ na-egbochi irighiri ihe dị n'ala. Nke abụọ, ọ na-amịkọrọ mmiri, ya bụ, ọ na-adọta mmiri ma na-amịkọrọ ya dị ka ogbo.
"Ya mere, mmiri ọ bụla bara ụba na nitrate ga-abanye n'ime ihe mmetụta anyị, nke dị ezigbo mkpa n'ihi na ala dịkwa ka ogbo, ị ga-efunahụkwa agha n'ihe gbasara mmiri ịbanye n'ime ihe mmetụta ahụ ma ọ bụrụ na ịnweghị ike inweta otu mmiri ahụ. Ike ala," Andrews kwuru. "Ahụ́ ndị a nke oyi akwa fluoride polyvinylidene na-enye anyị ohere iwepụta mmiri bara ụba na nitrate, bufee ya na elu ihe mmetụta ahụ ma chọpụta nitrate nke ọma."
Ndị nchọpụta ahụ kọwara ọganihu ha n'akwụkwọ e bipụtara na Machị 2024 n'akwụkwọ akụkọ Advanced Materials Technology.
Ndị otu ahụ nwalere ihe mmetụta ha n'ụdị ala abụọ dị iche iche metụtara Wisconsin—ala ájá, nke a na-ahụkarị n'akụkụ ugwu-etiti steeti ahụ, na ala ájá, nke a na-ahụkarị na ndịda ọdịda anyanwụ Wisconsin—ma chọpụta na ihe mmetụta ahụ rụpụtara ihe ziri ezi.
Ndị nchọpụta ahụ na-ejikọta ihe mmetụta nitrate ha ugbu a n'ime sistemụ ihe mmetụta dị iche iche ha na-akpọ "ihe mmado sensọ," nke a na-etinye ụdị ihe mmetụta atọ dị iche iche n'elu plastik na-agbanwe agbanwe site na iji ihe nkwado gluu. Ihe mmado ndị a nwekwara ihe mmetụta iru mmiri na okpomọkụ.
Ndị nchọpụta ga-etinye ọtụtụ ihe mmado mmetụta uche n'ogidi ahụ, tinye ha n'ogo dị iche iche, wee lie ogidi ahụ n'ime ala. Nhazi a nyere ha ohere ịlele nha n'ime omimi ala dị iche iche.
"Site n'ịtụ nitrate, mmiri na okpomọkụ n'ime omimi dị iche iche, anyị nwere ike ugbu a ịtụle usoro ntapu nitrate ma ghọta otu nitrate si agagharị n'ime ala, nke na-agaghị ekwe omume na mbụ," Andrews kwuru.
N'oge ọkọchị nke afọ 2024, ndị nchọpụta ahụ na-eme atụmatụ itinye mkpanaka sensọ iri atọ n'ala na Hancock Agricultural Research Station na Arlington Agricultural Research Station na Mahadum Wisconsin-Madison iji nwalee sensọ ahụ ọzọ.
Oge ozi: Julaị-09-2024