यूरिया

yooriya (aangrezi: Urea) ek safed rang ka karbanik yaugik hai, jisaka rasayanik sootr (NH₂)₂CO hota hai. karbanik rasayan ke kshetr mean ise 'karbamaid' bhi kaha jata hai. yah ek rangahin, gandhahin, ravedar jaharila thos padarth hai. yah jal mean ati viley hai. yah stanapayi aur sarisrip praniyoan ke mootr mean paya jata hai. krishi mean naitrojan yukt rasayanik khad ke roop mean isaka upayog hota hai.

utpadan

yooriya pani mean ati ghulanashil hai aur isamean 46 pratishat naitrojan hoti hai. rasayanajnoan dvara sanshh‍leshit yah pahala argenik mishran hai. yah upalabdhi 18vian sadi ke shurooat mean hasil ki gee thi. ise prilh‍d ke sath-sath danedar roop mean uth‍padit kiya jata hai. b de paimane par yooriya ka utpadan drav amoniya tatha drav karban daee-aksaid ki pratikriya se hota hai.

upayog

yooriya ka upayog mitti ki urvara shakti badhane mean hota hai.
isaka prayog vahanoan ke pradooshan niyantrak ke roop mean bhi kiya jata hai.
yooriya-pharmaldihaid, reanjin, plastik evan haidrajin banane mean bhi isaka upayog kiya jata hai.
isase yooriya-stibamin namak kala-jar ki dava b de paimane par banaee jati hai.
veronal namak niand ki dava banane mean yooriya ka upayog kiya jata hai.
sedetiv ke roop mean upayog hone vali davaoan ke banane mean bhi isaka upayog kiya jata hai.

prilh‍d yooriya

priliang tavar se taral yooriya ko booandoan ke roop mean girakar yooriya ke dane banate haian, jo sookhakar 1 mi.mi. se 4 mi.mi. ka gol akar le lete haian. priliang tavar ke shikhar se in danoan ko thos roop dene ke lie kooliang midiya ke roop mean vayu ka prayog kiya jata hai. kribhako apane hajira sanyantr mean prilh‍d yooriya ka uth‍padan karata hai. uth‍padit yooriya ki visheshata nimh‍n prakar hai^[1]-

naitrojan avayav - nh‍yoonatam 46 pratishat

baeeyooret - adhikatam 1 pratishat

nami - adhikatam 0.5 pratishat

dane ka akar - 1-2.8 mi.mi. - 90 pratishat nh‍yoonatam

danedar yooriya

danedar yooriya rasayanik taur par prilh‍d yooriya ki tarah hi hai. danedar yooriya akar mean tho da b da aur kathor hota hai. vartaman mean prilh‍d yooriya ka prayog adhik kiya jata hai, kh‍yoanki isaki urvarak ke anh‍y avayavoan ke sath mishran karate samay tootane ki pratirodhi kshamata adhik hoti hai. kribhako apane sur, oman sthit sanyukh‍t udyam kamh‍pani omiphako sanyantr mean uth‍padit danedar yooriya ka ayat karata hai. ayatit danedar yooriya ki visheshata nimh‍n prakar hai^[1]-

naitrojan avayav - nh‍yoonatam 46 pratishat

baeeyooret - adhikatam 1 pratishat

nami - adhikatam 0.5 pratishat

dane ka akar - 2-4 mi.mi. : 90 pratishat nh‍yoonatam

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

tika tippani aur sandarbh

↑ ^1.0 ^1.1 yooriya (hindi) kribhako. abhigaman tithi: 13 pharavari, 2015.

sanbandhit lekh

varnamala kramanusar lekh khoj

a a i ee u oo e ai o au aan k kh g gh n ch chh j jh n t th d dh n t th d dh n p ph b bh m y r l v sh sh s h ksh tr jn rri rri aau shr aah

[aa-1] 1.0 ^1.1 yooriya (hindi) kribhako. abhigaman tithi: 13 pharavari, 2015.

[1]