I-Americas Chemical Industry Outlook ka-2019 | I-Melamine Powder Resin

Ingxenye Yemakethe Yamafutha Emvelo Ka-2019 Ihlanganisa Ukuhlaziywa Kwesifunda, Abadlali Abaphezulu, Izinhlelo Zokunweba, Amathrendi Embulunga yonke, Imali Engenayo Nenzuzo Isibikezelo sika-2025

7. Ukupakisha kufaka amakhemikhali ekudleni.I-antimony kanye nethini kusetshenziswa izinto zokupakisha lapho zingangena khona ukudla. Amafoil, amathini, amapani neziqukathi zokugcina kunamakhemikhali angakhishwa kuzo abe ukudla emazingeni aphansi. Lapho zidliwe, zibangela izinkinga zempilo ezihlukahlukene.

Uma wenza izinguquko zesakhiwo njengengxenye yokulungiswa kwekamelo lakho lokulala, thatha ithuba lokwengeza amashalofu ahlakaniphile ahlehlisiwe. Umbazi noma umakhi angakwazi ukukuhlalisa lokhu lapho akha izindonga zezindonga. Ku-master suite enkulu, ungakha ngisho nodonga lwe-stud ukusiza ukuhlukanisa isikhala futhi wengeze indawo yokugcina lapho inqubo. 

I-Bollini, P., Brunelli, NA, Didas, SA & Jones, CW Dynamics ye-CO2 adsorption kuma-amine adsorbents. 2. Imininingwane ngedizayini ye-adsorbent. Ind. Eng. I-Chem. I-Res. 51, 15153–15162 (2012).

Noma, sibonga iChoo-Choo, isigodi esincane. Lapho simgcoba, salayisha ingulube ewu-60-pounds, ama-briskets amabili (ikhethelo likaJeff umakhelwane wami wase-Texan), idada, i-bluefish, kanye—kungani?—isitshalo seqanda. Ngamema ngokoqobo wonke umuntu engangimazi kwaze kwaba yilapho i-Facebook inginquma, futhi ngabacela ukuba balethe iziphuzo nezinhlangothi ezingalingana nenyama (futhi banginike ikhefu ekuphekeni). Umphumela waba yingqophamlando: abangani nabantu ongabazi bechichima endleleni eseceleni komgwaqo, indawo epholile egcwele iwayini nobhiya, nephunga lentuthu elimanzi eliphuma emlonyeni ligcwele kuwo wonke ama-cranny wezitini nama-brownstone asendaweni. Kukho konke lokho, ngangikhululeke ngendlela exakile—konke lokhu ngangikulawula, futhi ngangikweleta, ikakhulukazi, uChoo-Choo. Uzoba intela ngentengo ephindwe kabili. —Matt Gross

Izinkomishi zazigcwele uketshezi olushisayo, olune-acidic kancane (okufana nekhofi) futhi zashiya amahora amabili. Le nqubo iphindwe kasikhombisa indebe ngayinye. Ngemva kokugcwalisa okwesithathu nokwesikhombisa, uketshezi enkomishini ngayinye luhlolelwe amakhemikhali. 

Amasampuli amathathu e-N-doped graphene (Isampula 1 ukuya ku-3) anokuqukethwe kwe-nitrogen okuhlukile ahlanganiswa ngendlela yelungelo lobunikazi le-SHS50. Umdwebo ohleliwe wedivayisi yokusabela uboniswa ku-Fig. 1. Enqubweni evamile yokulungiselela Isampula 1, amagremu angu-8 e-carbamide (amagremu angu-30 eSampula 2 no-21 amagremu weSampula 3) angezwe kumpushana oyingxube ka-14.4 g we-magnesium. kanye no-33.3 g we-calcium carbonate bese igaywa odakeni imizuzu engu-20. Ukusabela kuqhubeke ku-crucible eyafakwa esitsheni sensimbi esingu-21.2 L ngaphansi kwe-atmosphere ye-carbon dioxide ku-atmospheric pressure, njengoba kuboniswe ku-Fig. 1. Ingxube yama-reactants yashiswa idivayisi yokuthungela kagesi eyakhiwe i-DC. umthombo wamandla kanye nehitha yocingo esekelwe ekuphikisweni esebenzisa amandla okushisa angu-22 A. Ukusabela kwasakazeka ngokuzenzekelayo ngengxube ku-crucible kusukela phezulu kuya phansi ohlotsheni lwamagagasi omlilo futhi kwanqanyulwa lapho igagasi lomlilo lifika phansi. Umkhiqizo omnyama oluhlaza wabe usuhlanzwa nge-dilute hydrochloric acid (10 v/v %) futhi ugoqwe amahora amabili ukuze kukhishwe i-MgO, CaO kanye nensimbi ye-Mg esele. Umkhiqizo wabe usuhlungwa, ugezwe ngamanzi angcolile kanye ne-ethanol ephelele. Amashidi amancanyana emkhiqizweni aphinde ahlukaniswa ngokusebenzisa i-centrifuge ku-1000 rpm imizuzu engama-30 nokuhlunga i-supernatant. Ekugcineni, isampula yomiswa ku-vacuum engu-120 ° C amahora angu-24. Njengesiqhathaniso, isampula ye-graphene ehlanzekile (Isampula 0) nayo yalungiswa yi-SHS esuka ku-16 amagremu e-magnesium namagremu angu-33.3 e-calcium carbonate, eyayisekelwe esilinganisweni se-stoichiometric sokusabela: 2 Mg + CaCO3 = 2 MgO + CaO + C; ayikho i-carbamide eyethulwa ekuphenduleni futhi umkhiqizo waphathwa ngezinqubo ezifanayo njengoba kushiwo ngenhla.

Okubalulekile: Ihlanza kahle. Ngesikhathi sokuhlolwa ngiyisebenzise ukuhlanza amatafula, amatafula, izindonga, phansi, izitsha zokudla zezinja zami, usho lokho. Ngemva kokuhlolwa kwasekhaya ngayisebenzisa kustudiyo sezithombe esigcwele abantu abaningi ngigijima eceleni.

Ngaphezu kwalokho, i-metallic yengeza ukucwebezela emibaleni eqinile njengesafire nerubi nge-Epicurious cookware nama-colander.

Lapho iningi le-melamine picnicware esilihlolile lihlanganisa izitshalo nezilwane zaseBrithani, i-Sainsbury's Home ithole ugqozi e-Afrika ngokuqondile ngeqoqo layo Lomhlaba Wonke. Ithengeka ngokuthembekile kodwa ikhwalithi ephezulu, sasithanda iphethini yesizwe emnyama, emhlophe negolide exutshwe nemifanekiso yezilwane. Amapuleti aseceleni namaseva e-crudités akheke ngendlela engalungile ukuze anikeze ukubukeka kobuciko, kuyilapho isethi ingafaniswa nemikhiqizo engeyona i-melamine ebangeni elifanayo: qaphela indishi yediphu yokhuni lukamango, iragi yepikiniki nesipholile sesikhwama sikabhaka.  

Ukukhetha kwethu okhiye abahlakaniphile abangcono kakhulu kuzothuthukisa ukuphepha kwakho kwasekhaya, kuqinisekise ukuthi izivakashi zingangena kalula, futhi kuvimbele ukuthi ungaphinde uvalelwe ngaphandle.

Kuthiwa amaqanda omgunyathi okubikwa ukuthi aphuma eChina, anamagobolondo enziwe nge-calcium carbonate, paraffin wax negypsum powder, izikhupha namhlophe enziwe nge-alginate, alum, gelatin kanye nombala. Kodwa bewazi yini ukuthi ukwethuka kwamaqanda mbumbulu akukusha eMalaysia? Eminyakeni emithathu edlule, umama wekhaya ePenang wakhalaza ku-Consumers Association yasePenang. Nansi ividiyo evela kuSolezwe ngesikhathi bephenya icala: