Some primary study on synthesis and performance of non-fluorinated SPEEK PEM and SPEEK self-humidifying membrane was carried out.

对非氟speek磺酸质子交换膜制备和性能进行了初步研究，并对自增湿speek膜进行了尝试研究。

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Furthermore, compared with pure SPEEK membrane with the same ion-exchange capacity, the blend membrane has better methanol resistance and dimensional stability.

与具有相同离子交换容量的纯SPEEK膜相比，共混膜的阻醇性能及尺寸稳定性能更好。

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For those who comment on this banal work, the author hopes as ever that they speek freely and present their opinions, positions and critique regarding this translation without any reservation.

对于点评拙作的网友，作者也一如既往地希望他们能毫无保留地阐述自己的意见、立场和批评。

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For those who comment on this banal work, the author hopes as ever that they speek freely and present their opinions, positions and critique regarding this translation without any reservation.

对于点评拙作的网友，作者也一如既往地希望他们能毫无保留地阐述自己的意见、立场和批评。

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