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The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP.

研究了二甲酸丙二醇酯(PTT),PET,CDP在不同度时间下的特性粘数基含量的变化。

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原声例句
Osmosis-泌尿

This happens because albumin has acidic amino acids, like glutamate and aspartate, which have some carboxyl groups that are in the form of COO- or COOH.

这是因为白蛋白含有性氨基，比如谷氨冬氨，它们具有一些以COO-或COOH形式羧基。

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Osmosis-泌尿

When there's a high pH, or alkalosis, there are very few protons floating around, and so those carboxyl groups tend to be in the COO- form.

当血液pH值高或碱中毒时，几乎没有氢离子周围漂浮，所以那些羧基倾向于呈COO-形式。

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Broadcom, broaden, broadening, broad-gauge, broad-gauged, broadish, broadleaf, broad-leaved, broadloom, broadly,

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3G, 401(K), a,
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