7 【中文名称】多磷酸【英文名称】polyphosphoric acid 【性状】无色透明粘稠状液体。【溶解情况】能与水混溶并水解为正磷酸。【用途】有机合成中用作化合物环化剂及酰化剂,也用作正磷酸的代用品及分析试剂。【制备或来源】
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16℃ 中文名称: 多聚磷酸;多磷酸;四磷酸;四聚磷酸;聚合磷酸英文名称: Polyphosphoric acids;acide polyphosphorique;acide superphosphorique;condensed phosphoric acid;polyphosphoric acid 提示:大部分词条有..
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多磷酸盐 polyphosphate ; Sodium Tripolyphosphate ; ApnA
多磷酸钠 sodium polyphosphate ; STPP ; Sodium Hexametaphosphate
多磷酸四甲基铵 tetramethylammonium polyphosphate
多磷酸铵 [肥料] ammonium polyphosphate ; ammonium salt attack
三多磷酸钠 Sodium Tripolyphosphate
三甲基硅多磷酸盐 TRIMETHYLSILYL POLYPHOSPHATE
肌醇多磷酸 inositol polyphosphate
多磷酸酯酶 polyphosphatase
多磷酸铁 Ferric polyphosphate
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多磷酸钾盐类;
由此可见,根瘤中多磷酸盐的积累与根瘤菌的生长发育有关。
Thus it can be seen that polyphosphate accumulate is relation ship with rhizobial growth and development.
本发明涉及聚吲哚(PBZ)纤维和从聚吲哚纺液长丝去除多磷酸的方法。
The present invention relates to polybenzazaole (PBZ) fibers and processes for removing polyphosphoric acid from a polybenzazole dope filament.
This represents the upright struts on a ladder that I showed you before, it represents this backbone that's shown by - that's formed by polymerizing the pentose's together through phosphate's always going 5' to 3', 5' to 3'.
线条代表梯子,上下的支柱 之前给你们演示过,代表由多聚戊糖分子,通过磷酸基从5'端向3'端方向,连接起来的主链
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