Maganganun rana a kan track track a filin kula da makarantar
Shenanang Sunny laying, and some schools are even considering dismantling the original expensive plastic track. According to the reporter's understanding, most of the primary and secondary schools in Beijing, Shanghai and Guangzhou have been paved with plastic runways. Some colleges with good conditions even have more than two plastic playgrounds. In more cities, plastic track has become a must-have facility and rating Standard na filin filin jama'a {{6}
Don haka, shine mai guba da gaske don amfani da irin wannan waƙar filastik? A ina ne guba ta fara? A wannan batun, wakilinmu ya yi hira da kamfanonin samar da filastik, masana ilimi da kungiyoyi masu bada iko a masana'antar .}
Kwararre Mai iko: Gubai kawai abin asali ne
Kwararrun mai kara kuzari da Farfesa Li Bandashan daga Ma'aikatar Chemistry na Samfurin Kasuwancin Markus, shi ne cewa daga cikin sararin samaniya {{{{{1} nasa da aka yi magana da wani ya fara shari'ar farko da iska mai kyau, wannan damar ita ce ƙarami .}
Ya ce daga mahimmancin ra'ayi cewa hanyar filastik an haɗa shi da ƙananan ƙwayoyin cuta da wasu ƙananan ƙwayoyin cuta, mahaɗan na iya haifar da cutarwa ga ɗan adam Jiki bayan yanke hukunci {{2} Bugu da kari, don yin maganin baranci a ƙarƙashin kowane yanayi, da yawa sigin-tushen antioxidants a ƙarƙashin aiki, da yawa sulfide-tushen antioxidants {4} da cututtukan fata {4} da cututtukan fata {4} da cututtukan fata {4} da cututtukan fata {5} da cututtukan fata {4} da cututtukan fata {4} da cututtukan fata {5} da cututtukan fata {4}
Hukumar Kula da Kayan Kasuwanci na kasar Sin da ba ta da ta kasar Sin Abubuwan da aka kara da Toluene wanda aka kara don gina filastik track {{2} Duk da haka, babu wata shaidar saki mai guba {4} Kodayake, sakamakon sakin gas na timex {4} Kodayake daga sakin gas din {4} Kodayake, sakamakon sakin mai guba {4} Ko da ya saki gas mai guba {4} Kodayake, sakamakon sakin mai guba {{4} Ko da ya saki gas na bincike daga hannun filastik {4} ko da wannan
Bayan samun tambayar mai rahoto, Ma Zhenzhu, Daraktan Cibiyar Kula da Kasuwanci na Kasa, kuma ya fadawa mukamai kan wannan rahoton, Babban ayyukan kariya na muhalli waɗanda mutane suka fi damuwa da, kamar Onzehyde da Benzene, ba a gano su ba, amma samfuran mutum an fallasa su zuwa manyan kamfanoni masu nauyi kamar su.}
Wani Kwararrun Kwararrun, Xin Haobo, Daraktan Bincike na Jami'ar Qingdado na Jami'ar Qingdaene ba zai iya rinjayar da gas ba volatilization kadan kadan. A cikin filin budewa, taro gaba daya bai isa jikin mutum {{3} {{4}
Binciken guba na m trans track fiye da yadda ya fi ƙarfin hali, da kuma dauki mai samarwa mai girma roba {2}, ltd {3}, ltd {1}, ltd {1}, ltd {1}, ltd {3}, ltd {3}, Ltd {3}, Ltd {3}, ltd {1}, ltd {3}, ltd {3}, ltd {3}, ltd {1}, ltd {3}, ltd {3}, ltd {3}, ltd {1}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {3}, ltd {1} wang na roba Tattaunawa ta waya tare da wannan wakili wanda akwai samfura da yawa da dabaru don track track, a matsayin jagorar masana'antu {4}
Dangane da aikin samar da shekara na shekara, muddin yana da ingantaccen tsari, tsarin kimiyya, amma ba zai cutar da shi ba. Bibiya .