saans se kheenche gaye padaarthon tantrika ke sire ke ant mein raasaayanik pratikriyaaon ko shuroo karte hai. klonerjik riseptar aksar svaabhaavik roop se nyoorotraansameetar (neurotransmitter) esteelaklolaain(acetylcholine) se chaaloo hone vaale hain. Acetylcholine aur nikoteen raasaayanik samaanataaon ko vyakt karta hai jo nikoteen ko riseptar ke roop mein kaam karne ki anumati deta hai.[47] ye nikotinik acetylcholine riseptar keindreeya tantrika tantr mein sthit lagte hain aur tantrika-kankaal ki maansapeshiyon ki taakat jankshan par sakriya roop se dil ki gati, satarkata[10] aur pratikriya samay ko drut kar dete hain.[11] nikoteen acetylcholine uttejana pratyaksh taur par nashe ki lat naheen hai. haalaanki jaise hi dopaamaain se prachur maatra mein nyoorauns nikoteen riseptars pravaahit hote hain, dopaamaain pravaahit hota hai.[48] dopaamaain ke pravaahit hone se, jo aanand se juda hua hai adhik majaboot hota hai aur kaam karne ki smruti mein usase vruddhi ho sakti hai.[12][49] nikoteen aur kokeen nyoorauns ke samaan paitarn hain, jo ki is vichaar ka samarthan karte hain ki in maadak padaarthon ke beech aam adh:star sakriya hai.[50]
pashu taiging ke liye dijaain kiye gaye pratyaaropit kiye jaane vaale RFID chip, ab insaanon mein istemaal kiye ja rahe hain. RFID pratyaaropan ke saath ek aaranbhik prayog, saaibaranetiks ke british professor kevin vaaravik dvaara kiya gaya jinhonne 1998 mein apne haath mein ek chip pratyaaropit kiya. 2004 mein kaunaraad ches ne Barcelona aur rautaradaim mein apne naait club mein apne VIP graahakon ki pehchaan ke liye jo iska prayog peya ke bhugataan ke liye karte the, pratyaaropit chips ki peshakash ki[42].
baithakon aur sammelanon mein bhi upasthiti baij mein RFID praudyogiki laagoo ki ja rahi hai taaki sammelanon mein logon ko track kiya ja sake. isse jo aankada upalabdh hota hai usase pata chalta hai ki logon ne din ke samay kis kamre mein pravesh kiya aur baahar gaye.[51] yeh data aayojakon ko dikhaane ke liye upalabdh hota hai taaki sammelan ki saamagri aur dijaain mein sudhaar karne mein unki madad ki ja sake. pradarshaniyon mein pradarshakon ke liye netrutv bahaali prakriya mein sudhaar karne ke liye bhi RFID ka upayog kiya ja raha hai.
prativedan ke liye engineer digital system ke prakaaron par vichaar karte hain. adhikaansh digital system "sanyojan system" aur "anukramik system" mein vibhaajit ho jaate hain. sanyojan pranaali mein hamesha jo input diya jaata hai vahi aautaput vah deta hai. yeh mool roop se laujik prakriya ke set ka pratinidhitv karta hai aur jiski charcha pehle hi ki ja chuki hai.

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