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N,N-Dimethylaniline DMA CAS 121-69-7
Inozivikanwawo se dimethylaniline, mvura ine mafuta isina ruvara kana yero yakapfava, inonhuhwirira zvinogumbura, mumhepo kana pasi pezuva. Inoshandiswa nyore nyore ne oxidation. Kuwanda kwemvura (20℃/4℃) 0.9555, nzvimbo yechando 2.0℃, nzvimbo yekufashaira 193℃, nzvimbo yekupenya (kuvhura) 77℃, nzvimbo yekupisa 317℃, viscosity (25℃) 1.528 MP...Verenga zvakawanda -
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Mafungu haana kuenzana nerimwe akwira. Nhau dzekudzikiswa kweOPEC uye kubhombwa kweIraq hadzina kupera nzvimbo yemafuta eSaudi yarova zvakare! Zvakananga kune $70! Dambudziko rekugadzirisazve reDachang munguva pfupi yapfuura, mitengo yemusika wezvinhu zvisina kugadzirwa yave nyonganiso zvachose! Mushure mekunge Iraq yarwiswa, Saudi Arabia ...Verenga zvakawanda -
Kushandiswa kwe2-naphthol
2-Naphthol, inozivikanwawo seβ-naphthol, acetonaphthol kana 2-hydroxynaphthalene, imhando yezvidimbu zvichena zvinopenya kana upfu huchena. Kuwanda kwechinhu ichi i1.28g/cm3. Nzvimbo yekunyunguduka i123~124℃, nzvimbo yekufashaira i285~286℃, uye nzvimbo yekufuratira i161℃. Inobvira moto, uye ruvara rwacho ruchasviba mushure mekunge...Verenga zvakawanda -
Ndapota tendai kuti tiri nyanzvi uye fekitari yedu inoteerera zvakanyanya
Kukwana kunowanikwa nematanho anononoka; zvinoda ruoko rwenguva. Nyika yaifanira kuuya, yaifanira kuenda ndiyo hupenyu, sekurangarira kwezvizvarwa zvakati wandei, Sekuru Dahl vakasiya nekusingaperi, pfungwa yeupenzi hwavo, pfungwa yezvinosetsa zvavo, muchiedza nemumvuri vachave vatete pasi rose...Verenga zvakawanda -
Kukwira kwemitengo?Mitengo iri kukwira!1.9 trillion mvura yaburitswa!Zvinhu zvemakemikari zviri kutengeswa zvakare!Unoda!Rose!
Mitengo iri kukwira!Mari iri kuramba isingakoshi! America iri kutungamira pasi rose mukuburitsa mvura! Mitengo yezvinhu zviri kukwira! Mitengo yezvinhu zvisina kugadzirwa yakakwira, zvichiita kuti zvinhu zvevatengi zviri pasi pemvura zvikwire nekukurumidza mumutengo! Pakupedzisira, mutengi anobhadhara! Chikwama chako chiri kufamba zvakanaka here? Kupenga zvakanyanya! US iri kuburitswa...Verenga zvakawanda -
Buda pano chenjedzo! Mari yenyika yakadonha, mitengo yakakwira, vanhu vachiramba kurasa zvinhu!
Turkey yatove nedambudziko rekudonha kwemari uye kukwira kwemitengo mumakore maviri apfuura. Muna 2020, denda idzva rakakonzera imwe nhamo kuTurkey, richiisundira mukudzikira kwehupfumi kusingaperi. Mari yeTurkey, iyo lira, iri kudzikira nekukurumidza uye mari yayo yekune dzimwe nyika iri kudzikira zvakanyanya...Verenga zvakawanda -
Fekitori yeChina inopa makemikari akanaka: N,N-dimethyl-p-toluidine
Zvigadzirwa zvakanaka zvinoda kutaurwa nezvazvo Iye zvino, kambani yedu inotarisa pakuburitsa zvigadzirwa izvi zvisere zvepamusoro. Zvinonyanya kushandiswa mumishonga uye dhayi, kana uchida kundibata chero nguva kuti uwane mutengo wakanakisa. Ehe, kana shamwari yako kana chero munhu waunoziva achida zvigadzirwa zvedu uye achikurudzira...Verenga zvakawanda -
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Zuva rekutanga mushure mezororo, mutengo wezvinhu zvakagadzirwa nemakemikari wakakwira. Vamwe vanhu vanoti, musazvidya moyo, ndinoda kumirira, Mirai kuti zviuye ndizvo, mutengo wacho wakawedzera kanoverengeka! Kuzengurira kwakakwira zana, Mumusika wemakemikari wanhasi, Trance haisi jee, ichokwadi! Hazvidzoreki...Verenga zvakawanda -
Mafambiro akasimba mumusika wemakemikari anotarisirwa kuramba achienderera mberi! Athena
Kuvharwa kwenzvimbo dzakawanda dzekuchenesa mafuta! Oiri isina kuchena yakwira kusvika pakakwirira kwemwedzi gumi nemitatu! Sezvo mamiriro ekunze ekutonhora achipinda kumaodzanyemba kweTexas, dunhu rese reTexas ramanikidzwa kuita kuti magetsi adzimwe nguva aenderane nekuchinjana kuitira kuderedza kudiwa kwemagetsi uye kudzivirira "kudzimwa kwemagetsi kwakaoma" kwenguva refu. Kupararira...Verenga zvakawanda -
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. Kusasimba kwemachira matanhatu makuru 1. Kusasimba kwechiedza Kusasimba kwechiedza zvinoreva mwero wekushaikwa kweruvara rwemachira nechiedza chezuva. Nzira yekuyedza inogona kuve kusviba nezuva kana kusviba nemuchina wemasikati. Mwero wekushaikwa kwemuenzaniso mushure mekusviba unoenzaniswa nemuenzaniso weruvara wakajairwa. Inoparadzaniswa...Verenga zvakawanda -
Mabhokisi mangani asipo? Chirongo chacho chabviswa pamutsetse wekugadzira uye chatumirwa zvakananga kuchiteshi!
Mudziyo we "bhokisi wakaoma kuwana", zvekuti makambani ekugadzira magaba akaunza kukura kukuru, mamwe makambani emudziyo panguva yeMutambo weChirimo ari kuwedzerawo kugadzirwa kuti asvike paodha. Kuwanikwa kwemagaba kunopfuura kudiwa Vagadziri vanoramba vachihaya...Verenga zvakawanda -
Trimethylol amino methane (CAS77-86-1) yemakambani akasiyana-siyana pakutenga nzira dzekudzivirira
1. Trihydroxymethyl aminomethane yekutungamira kugadzirwa kwemaindasitiri Nekuda kwechimiro chayo chiri nyore, atomu yekabhoni yepakati ine chimiro che tetrahedral, ine matatu hydroxymethyl uye boka reamino, rinogona kuita zvakasiyana-siyana zvekutsiva uye REDOX reactions, imhando yemhando yepamusoro...Verenga zvakawanda
