hutano

Plastiki inoramba iri muropa redu !!!

Plastiki inoramba iri muropa redu !!!

Plastiki inoramba iri muropa redu !!!
Zvinoita sekuti hapana nzvimbo pasi pano isina masara epurasitiki, asi kusimbiswa kwekuvapo kwayo muropa redu kunoshamisa, uye kunoratidza dambudziko rakakura uye rine njodzi rezvakatipoteredza riri kuwedzera.

Vatsvagiri kubva kuVrije Universiteit Amsterdam uye University of Amsterdam Medical Center vakaita masample eropa kubva kune vane hutano, vasingazivikanwe vanopa makumi maviri nevaviri nekuda kwezvakajairwa mapolymers akakura kupfuura 22 nanometer mudhayamita.

Masayendisiti akawana zviduku zvakasara zvepurasitiki muropa revanopa, izvo zvakakonzera kunetseka pamusoro pengozi dzayo dzenguva refu dzehutano, maererano neScience Alert.

Zvishandiso zvinoshandiswa muzvikamu zvemotokari uye makapeti

Mukuwedzera, masampuli aisanganisira microplastics yakadai se polyethylene terephthalate (PET), iyo inowanzoshandiswa muzvipfeko uye mabhodhoro ezvinwiwa, uye styrene polymers, iyo inowanzoshandiswa muzvikamu zvemotokari, makapeti uye midziyo yezvokudya.

Vatsvakurudzi havana kukwanisa kupa kunyatsoparadzana kwezvikamu zviduku muropa, zvisinei, vachicherechedza kuti zviduku zvakaonekwa nekuongorora zvinosvika pa700 nanometer muganhu uye zvaizova nyore kuti muviri utore pane zvidimbu zvakakura zvinopfuura 100 micrometer.

Vakasimbisa kuti pachine zvakawanda zvavasingazive nezve makemikari uye emuviri mhedzisiro yemicroplastics inowanikwa pakati pemasero emunhu.

Zvidzidzo zvemhuka zvakaratidza zvimwe zvinoshungurudza, asi dudziro yezvavakawana mumamiriro ehutano hwevanhu zvinoramba zvisina kujeka.

Vana ndivo vanonyanya kushungurudzwa

"Isu tinoziva zvakare mune zvakajairika kuti vacheche nevana vadiki vari panjodzi yekusangana nemakemikari uye zvidimbu," akadaro Dick Fitak, nyanzvi yezve toxicologist paVrije University muAmsterdam.

Pasinei nehuwandu hushoma hwevazvipiri, chidzidzo ichi chinoratidza kuti huruva kubva munyika yedu yekugadzira haina kupepetwa zvachose nemapapu edu uye ura.

Chidzidzo ichi chakasimbisa kuti kutsvagisa kwakawanda kunodiwa pamapoka akakura uye akasiyana siyana kuti aone kuti sei uye kupi microplastics inopararira uye inoungana muvanhu, uye kuti miviri yedu inozozvibvisa sei.

Ryan Sheikh Mohammed

Mutevedzeri weMupepeti-mukuru uye Musoro weDhipatimendi reHukama, Bachelor of Civil Engineering - Topography Dhipatimendi - Tishreen University Yakadzidziswa mukuzvisimudzira.

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