ҕҰ | ��ʲô��ϲ��ܽ�Q��Ⱦ��},��

��r�g��2020-09-21 10:46 ��Դ��h(hu��n)�l(w��i)֮ ��: �~��׾� ��x��996

Ү��W(xu��)�h(hu��n)��W(xu��)Ժ�W(w��ng)վ�l(f��)��Jim Robbins��,��}Ŀ�ǣ�Why Bioplastics Will Not Solve the World’s Plastics Problem��ʲô��ϲ��ܽ�Q��φ��}��,��ָ��I(y��)��(n��i)��ʿ��Q��Ⱦ�ķ��,��ǌ��H��ֲ��Ƴɵ�ƿ�ӺͰ��b��S��G��Ȼ��Ȼ�ֽ��ʧ��뷨��e�`��——��պ��ϲ��Ψһ��еĲ��,��

�ɿڿɘ��ֲ��ƿ��һ��ϣ��Q��Ⱦ��}��Ҫ��,�,��ɿڿɘ��Q֮��“ֲ��ƿ”——��͵Ŀɻ��30%�ɸ��ֲ��Ƴ�,��70%�ɂ��y(t��ng)�ͻ��Ƴ�,��ɿڿɘ��˾��ʾ,��Ŀǰֲ��ƿ��bռ�䱱��ƿ�b��Ľ��֮һ,��ȫ��ռ7%��,��ȱ��Ч��Ȼ��һ��]�н�Q�Ć��},��

��ô��ʲô��Q��φ��}��Ҫ��υs�h(yu��n)�h(yu��n)�]��_(d��)��A(y��)�ڵ�Ч��,��

һ��ʹ��ϰ��b��İ��b��——�Թ�,��p��๦��,��,��ˣ��ܺܺõر��o(h��)�a(ch��n)Ʒ��r,��ܽ�(j��ng)��ܛ��ϵ��ԺͼӉ�,��Ҫ��(f��)��@Щ��ܣ���õăɷN��ϰ��PHA��PLA,��PHA�Ǿ��u��}��polyhydroxyalkanoate��Ŀs��,��ͨ��L��Ƴɣ�PLA�Ǿ��ᣨpolylactic acid��Ŀs��,��׺͸��е��Ƴɵ�,��

PLA�ĳɱ��PHA��ʮ��֮һ��˸��V��һ��Բ;ߺ͸��N��b,��PHA��(n��i)��t(y��)��(y��ng)�õ�Ϳ��,��Ȼ��@�ɷN��϶��]�еõ��V��(y��ng)��,��o��c��y(t��ng)��ϵď��Ⱥ��^,��ҳɱ�ҲҪ�ߵöࡣȫ��Ј�Ҏ(gu��)ģ��_(d��)1.2�f�|��Ԫ,��Ј��H��90�|��Ԫ,��

�mȻ�F(xi��n)��ʹ�õăɷN��϶��Ա�΢��ֽ⣬��ڶ̕r�g��(n��i)��³ɞ��Ȼ��һ��,��ֻ��ϱ��ռ��ڇ�(y��n)��Ƶĸߜع��I(y��)�O(sh��)ʩ�вŕ��F(xi��n)�ֽ�,��K��񣬛]��ֽ�,��Ӱ푿��Գ��m(x��)�ׂ��o(j��),��ጷų��飨һ�N��Ĝ��Қ��w��

��ʹ��100%��ֲ��ƿ��Ҳ��ǿ��еĽ�Q��,��

��ϲ��H��M(j��n)��h(hu��n)��Ҫ��ֽܷ�,��ֲ��Ƴɵģ��߀��S��Ҏ(gu��)ģ�r(n��ng)�I(y��)��ɵĭh(hu��n)��},��ϵ��ͨ��ԇ��݄��͚��x��D(zhu��n)��,��@Щ��ռ��B(y��ng)��L��ȫ��˿��ء�

�S��J(r��n)�飬��Q��ϏU�ϵ��k��Ҫ��_�l(f��)��õ��,��ڽ�(j��ng)��(j��)�Y(ji��)��(g��u)�{(di��o)��,��ӻ��õ��ϔ�(sh��)��P(gu��n)�I��һ��׌��ٳГ�(d��n)��õ�؟(z��)��,��Ҫ��ʹ�ð��b��I(y��)�ڻ��аl(f��)�]��(d��o)��,��“��a(ch��n)��؟(z��)��”��

��ƌW(xu��)��s־��l(f��)��һ��о��Ӌ,��F(xi��n)��ÿ��s��1100�f��M(j��n)�뺣��,��֮ǰ�Ĺ�Ӌ��300�f��^�m(x��)��Ŀǰ��M��څ��,��2040��ϏU�ϵĮa(ch��n)��Ӄɱ�,��Q�@һ��(y��n)��}��Ψһ�k��ǌ�ȫ��wϵ�M(j��n)��6000�|��Ԫ�Ĵ�Ҏ(gu��)ģ�ĸѭ�h(hu��n)ʹ�úͻ��,��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e�`��ַ��ĺϷ��(qu��n)�棬Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r��,��h��x�x,��