Neurochirurgie minim invazivă
"Primum non nocere" este ideea ce a deschis drumul medicinei spre minim invaziv. Avansul tehnologic extraordinar din ultimele decenii a permis dezvoltarea tuturor domeniilor medicinei. Microscopul operator, neuronavigația, tehnicile anestezice avansate permit intervenții chirurgicale tot mai precise, tot mai sigure. Neurochirurgia minim invazivă, sau prin "gaura cheii", oferă pacienților posibilitatea de a se opera cu riscuri minime, fie ele neurologice, infecțioase, medicale sau estetice. www.neurohope.ro |
Acetona
Ultima postare: aug 03 2009 22:11, Inițiat de
keeekeeess
, sep 05 2008 15:08
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0
#20
Publicat: 09 septembrie 2008 - 15:47
#22
Publicat: 09 septembrie 2008 - 21:21
keeekeeess, on Sep 5 2008, 16:08, said: femeia machiaju ci dinaia 97% pura Imi trebuie cam 1L. PS : nu sunt islamist Va zic dupa aia ce fac cu ea femeile nu sterg machiajul cu acetona,daca tu asa stii...e grav. "ci dinaia 97% pura".pai ori e pura ori aghezmuita?97% nu e egal cu 100%.insa daca tu stii ca 97% inseamna pura iar e grav. "imi trebuie cam un 1L"pai ori cam,ori un litru? eu zic sa afli ce fac femeile cu acetona in prima faza,apoi sa iti explici ce ar insemna sa se demachieze cu acetona. |
#23
Publicat: 10 septembrie 2008 - 00:07
Quote femeile nu sterg machiajul cu acetona,daca tu asa stii...e grav. "ci dinaia 97% pura".pai ori e pura ori aghezmuita?97% nu e egal cu 100%.insa daca tu stii ca 97% inseamna pura iar e grav. "imi trebuie cam un 1L"pai ori cam,ori un litru? eu zic sa afli ce fac femeile cu acetona in prima faza,apoi sa iti explici ce ar insemna sa se demachieze cu acetona. Daca nu stii ca primul cuvant dintr-i propozitie se incepe cu majuscula, e grav, frate. Imi pare rau, keeekeeess, ca nu pot sa-ti raspund, dar poti sa dai detalii? Cum extragi ceva dintr-o planta cu acetona/alcool etilic? M-ai facut curioasa! |
#24
Publicat: 10 septembrie 2008 - 00:15
Poi ce vreau eu sa extrag nu se dizolva in apa, ci doar in alcool etilic sau acetona. Cred ca o sa merg pe alcool etilic, e mai ieftin si cica mai eficient.
Ala cu 'grav frate', nu-ti datorez nici o explicatie. Editat de keeekeeess, 10 septembrie 2008 - 00:16. |
#31
Publicat: 15 septembrie 2008 - 16:08
Incearca sa o deshidratezi, cum se spunea mai sus. Pornesti de la acetona pt. dizolvat lac de unghii, dar care nu contine uleiuri, parfumuri si alte cele. O deshidratezi cu sulfat de cupru (piatra vanata) sau clorura de calciu anhidra, si o distili incetisor (adica nu incalzesti brusc). Sau vorbesti cu cineva de pe la vreo fabrica sau ceva de genu sa-ti dea alcool izopropilic. Sau incerci cu cloroform (ar trebui sa dizolve ce dizolva alcoolul) si apa. In apa se dizolva chestiile solubile in apa, in cloroform restul. Lasi sa se separe doua straturi si distili stratul de cloroform, ca sa-l recuperezi.
Totusi, nu ne lasa sa murim de curiozitate si zi ce vrei sa extragi, ca poate te ajut mai mult. |
#34
Publicat: 03 octombrie 2008 - 16:14
deci ai viziuni......
Salvinorin A is the main active psychotropic molecule in Salvia divinorum, a Mexican plant which has a long history of use as an entheogen by indigenous Mazatec shamans. Salvinorin A is a hallucinogenic compound with dissociative effects. It is structurally quite distinct from other naturally occurring hallucinogens such as N,N-dimethyltryptamine, psilocybin, and mescaline and from synthetic hallucinogens such as lysergic acid diethylamide (LSD), and ketamine. Salvinorin A has been reported to be the most potent naturally occurring psychoactive drug known to date, with an effective dose in humans in the 200- to 1,000-µg range when smoked. In that way Salvinorin A's quantitative potency may be compared with LSD, though it is otherwise dissimilar, having quite different effects and timeframes. Salvinorin A can produce psychoactive experiences in humans with a typical duration of action being several minutes to an hour or so, depending on the method of ingestion.[1] Salvinorin A is found together with several other structurally related salvinorins. Salvinorin is a trans-neoclerodane diterpenoid. It acts as a kappa opioid receptor agonist and is the first known compound acting on this receptor that is not an alkaloid. Salvinorin A was isolated in 1982 by Alfredo Ortega in Mexico. Its pharmacological mechanism was elucidated in the laboratory of Bryan L. Roth. ------------------------- Google rulz |
#35
Publicat: 03 octombrie 2008 - 17:31
dexteriade, on Oct 3 2008, 17:14, said: deci ai viziuni...... Salvinorin A is the main active psychotropic molecule in Salvia divinorum, a Mexican plant which has a long history of use as an entheogen by indigenous Mazatec shamans. Salvinorin A is a hallucinogenic compound with dissociative effects. It is structurally quite distinct from other naturally occurring hallucinogens such as N,N-dimethyltryptamine, psilocybin, and mescaline and from synthetic hallucinogens such as lysergic acid diethylamide (LSD), and ketamine. Salvinorin A has been reported to be the most potent naturally occurring psychoactive drug known to date, with an effective dose in humans in the 200- to 1,000-µg range when smoked. In that way Salvinorin A's quantitative potency may be compared with LSD, though it is otherwise dissimilar, having quite different effects and timeframes. Salvinorin A can produce psychoactive experiences in humans with a typical duration of action being several minutes to an hour or so, depending on the method of ingestion.[1] Salvinorin A is found together with several other structurally related salvinorins. Salvinorin is a trans-neoclerodane diterpenoid. It acts as a kappa opioid receptor agonist and is the first known compound acting on this receptor that is not an alkaloid. Salvinorin A was isolated in 1982 by Alfredo Ortega in Mexico. Its pharmacological mechanism was elucidated in the laboratory of Bryan L. Roth. ------------------------- Google rulz asta știu.. dar el zicea că vrea să extragă altceva, plm, că e cam aiurea să întrebe cum poate extrage "papa bun" din salvie, e mai simplu să o cumpere gata făcută frumos în jointuri |
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