Shin yana da illa a saka buhunan filastik a cikin firiji?Dangane da wannan, an kuma yi gwaje-gwajen da cibiyoyin bincike da suka dace suka gudanar, kuma gwaje-gwajen na ƙarshe sun nuna cewa abin da ake kira "jakunkunan filastik ba za a iya sanya su a cikin firiji ba" jita-jita ce.Tsohon...
A cikin wannan fitowar, muna ci gaba da fahimtarmu game da robobi ta fuskar sinadarai.Abubuwan da ke cikin robobi: Abubuwan da ke tattare da robobi sun dogara ne da nau'in sinadarai na sassan sassan, yadda aka tsara waɗannan sassan, da yadda ake sarrafa su.Duk robobi ne polymers, amma ba duk polymers ba ...
Yawancin lokaci muna koya game da robobi ta fuskar kamanni, launi, tashin hankali, girma, da sauransu, to yaya game da robobi ta mahanga ta sinadarai?Resin roba shine babban bangaren filastik, kuma abun ciki a cikin filastik gabaɗaya shine 40% zuwa 100%.Saboda babban abun ciki da kaddarorin resins th ...
Shin lalacewar filastik canjin sinadarai ne ko canjin jiki?Amsa a bayyane ita ce canjin sinadarai.A cikin aiwatar da extrusion da dumama gyare-gyare na filastik jaka da kuma ƙarƙashin rinjayar daban-daban dalilai a cikin waje yanayi, sunadarai canje-canje kamar zumunta kwayoyin nauyi r ...
Pulp abu ne mai fibrous wanda aka samo daga filayen shuka ta hanyoyin sarrafawa daban-daban.Ana iya raba shi zuwa ɓangaren litattafan almara, ɓangaren litattafan sinadarai da ɓangaren litattafan sinadarai bisa ga hanyar sarrafawa;Hakanan ana iya raba shi zuwa ɓangaren itace, bambaro, baƙar fata, ƙwayar ciyayi, ƙwayar rake, ƙwayar rake, ba...
An ƙayyade ingancin ɓangaren litattafan almara ta hanyar ilimin halittar fiber da tsaftar fiber.Kaddarorin waɗannan bangarorin biyu an ƙaddara su ne ta hanyar nau'ikan albarkatun da ake amfani da su, da kuma hanyar masana'anta da zurfin sarrafawa.Dangane da ilimin halittar fiber, manyan abubuwan sune avera ...
Yawancin samfuran da muke saya a rayuwa suna da alama a fili tare da kwanan watan karewa, amma a matsayin nau'in kayan masarufi, shin jakar marufi na filastik suna da rayuwar rayuwa?Amsar ita ce eh.1. Rayuwar shiryayye na jakar marufi na filastik shine rayuwar shiryayye na samfurin kanta.Mafi yawan buhunan marufi na filastik...
"05": Maimaituwa bayan tsaftacewa a hankali, zafi mai juriya zuwa 130°C.Wannan shine kawai kayan da za'a iya zafi a cikin tanda na lantarki, don haka ya zama albarkatun kasa don yin akwatunan abincin rana na microwave.High zafin jiki juriya na 130 ° C, narkewa batu kamar yadda high kamar yadda 167 ° C, matalauta bayyana ...
Abokai masu hankali za su ga cewa yawancin kwalabe na filastik za su sami lambobi da wasu alamu masu sauƙi akan su, to menene waɗannan lambobin ke wakilta?"01": Zai fi kyau a jefar da shi bayan an sha, yana jure zafi zuwa 70 ° C.Yawanci ana amfani da su a cikin abubuwan sha na kwalba kamar ruwan ma'adinai da carbonated ...
Sabbin kayayyakin robobin da aka sayo wani lokacin suna da kamshin filastik mai karfi ko rauni, wanda mutane da yawa ba sa yarda da shi, to ta yaya ake cire warin?1. Sanya shi a wuri mai iska kuma bari rana ta bushe.Za a cire wasu ɗanɗanon, amma yana iya zama rawaya.2. Tsaftace cikin kofin da de...
Na koma garinmu kwana biyu da suka wuce, domin na yi amfani da hanyar da mahaifiyata ba ta taba daure jakar leda ba, wanda hakan ya sa mahaifiyata ke da wuya ta bude ta na wani lokaci.A }arshe, kuruciyata da jakar leda ta cika,,, Akwai hanyoyi da yawa na daure buhunan, kuma kusan...
Yanzu kowa yana ba da shawarar rarraba shara.Rarraba shara yana nufin jimlar jerin ayyukan da ake warewa, adanawa, ajiyewa da jigilar datti bisa wasu ƙa'idodi ko ƙa'idodi, ta yadda za a mai da shi dukiyar jama'a.To wane irin garba...
