Nkhani

H-NMR ya 1-N-Boc-4-(Phenylamino)Piperidine CAS 125541-22-2 1) Musadandaule za ubwino wa zinthu zathu, titha kutsimikiza kuti izi ndi zoyera kwambiri. 2) Utumiki wathu ndi woganizira ena ndipo mutha kulumikizana nafe nthawi iliyonse...

Ufa wa hexagonal boron nitride (HBN) uli ndi mphamvu yabwino yoyendetsera kutentha, mphamvu zake za m'mphepete, kukhazikika kwa mankhwala komanso mphamvu yopaka mafuta. Kutentha kwake kotsutsana ndi okosijeni kumapitirira 2000°C, komanso mphamvu yake yopaka mafuta kutentha kwambiri. Umagwiritsidwa ntchito kwambiri ...

Monomer boron imagwiritsidwa ntchito m'magawo otsatirawa: 1. Choyatsira ma neutron ndi chotsukira ma neutron a ma reactor a nyukiliya. Boron oxide 2. Chothandizira pa mankhwala, mafakitale a ceramic ndi kapangidwe kake. 3. Kuyatsa kwa chubu choyendetsa mu ...

Nikotini, yomwe imadziwika kuti nikotini, ndi ya pyridine alkaloid ndipo imakhudza kwambiri thupi la munthu. Mukasuta, imatha kuyamwa kuchuluka koyenera kwa nikotini, imatha kusangalatsa mzimu, kuthetsa kutopa, komanso kuwonjezera kuganiza...

Mchere wa nikotini ndi wosiyana ndi nikotini wamadzimadzi womwe timagwiritsa ntchito nthawi zambiri. Ndi kristalo wopangidwa ndi kuchitapo kanthu kwa nikotini yaulere ndi asidi wachilengedwe. Kristalo iyi imachotsa zonyansa zochepa mu nikotini wamadzimadzi, imachotsa zina zosiyanasiyana...

Ponena za ndudu, lingaliro loyamba lingakhale nikotini, imodzi mwa zigawo zake. Komanso, anthu ena anayerekezera nikotini ndi fodya ponena kuti "kusuta fodya n'kovulaza thanzi" chifukwa cha nikotini yomwe ili mu ndudu. "Nikotini ndi poizoni kwambiri...

Anthu ambiri tsopano akulabadira ma fullerenes. Fullerene imadziwika kuti "Nobel rejuvenation factor." Mphamvu yake yoletsa ma antioxidants ndi yokwera nthawi 172 kuposa ya vitamini C. Imadziwika kuti ndi yoyamba padziko lonse lapansi kugwira ntchito bwino...

Fullerene C60 imapezeka ngati gawo lachitatu la kaboni yoyambira. Ndi mndandanda wa mamolekyulu a kaboni otsekedwa okhala ndi mphete zokhala ndi ziwalo zisanu ndi mphete zokhala ndi ziwalo zisanu ndi chimodzi. Ma Fullerene amadziwika kuti "nano-prince" chifukwa cha kufanana kwawo kwangwiro...

Kodi Ndondomeko ya Kulamulira Kawiri pa Kugwiritsa Ntchito Mphamvu ku China Imatanthauza Chiyani kwa Makampani Amakampani? Posachedwapa, makampani ambiri amakampani avutika kwambiri chifukwa cha kukhazikitsidwa kwa Ndondomeko ya Kulamulira Kawiri pa Kugwiritsa Ntchito Mphamvu ku China. Wh...

Fullerene C60 Yopangidwa ndi maatomu 60 a kaboni omwe amapanga chinthu chomwe chimawoneka ngati mpira wopanda kanthu, C60 ndiye molekyulu yokhayo ya chinthu chimodzi chomwe chimapanga khola lozungulira, zomwe zimapatsa mphamvu zosayerekezeka zakuthupi ndi zamakemikolo. fakitale yathu...

Kuyeseraku kunawonetsa kuti mankhwala ophera tizilombo toyambitsa matenda a quaternary ammonium amapezeka pafupipafupi ngati mankhwala ochizira mavairasi ambiri, kuphatikizapo ma coronavirus: izi zimagwira ntchito poletsa mafuta oteteza omwe amaphimba mavairasi monga SARS-CoV-2 ...

Mchere wa quaternary ammonium (QAS) ndi mankhwala a cationic okhala ndi magulu a alkyl mu unyolo wa C8–C18, omwe amasungunuka m'madzi ndipo angagwiritsidwe ntchito ngati mankhwala ophera tizilombo m'mafakitale opanga nsalu. QAS ndi mankhwala a ionic okhala ndi quaternary ammon...