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汉语拼音：qiǎng jī

也叫氢氧基。有机化合物分子里的一种官能团。是醇类（如乙醇）、酚类（如苯酚）等的官能团。

• Implanted into the body, bioactive glass forms a mineral matrix on its surface equivalent to that of natural bone, hydroxyapatite .

  当植入人体后，生物活性玻璃能在其表面形成与自然骨成分相近的羟基磷灰石。

• Xylitol , a pentahudroxy sugar alcohol, due to its unique properties , began to be more frequently used in food and medicine industries.

  木糖醇是一种五羟基糖醇，因其特有的性质，已被广泛应用于食品及医药卫生行业。

• Starch is due to the nature of the starch molecules contains easy-to-reactions of hydroxyl, starch many substances reactions.

  淀粉的性质是由于淀粉分子中含有易于发生化学反应的羟基，所以淀粉能与许多物质发生化学反应。

• The results show that hydroxyapatite crystal is porous-like flakes at the beginning time of the deposition.

  试验结果表明：电沉积初期的羟基磷灰石涂层呈多孔层片状；

• Hydroxyapatite coating was applied to the surface of titanium alloy employing plasma spray technology.

  使用等离子喷涂技术，在钛合金表面制备了羟基磷灰石涂层。

• Finding an efficient method to synthesize the chiral dihydroxyacenaphthene and developing its applying has still been a novel challenging.

  因此，开发手性双羟基苊的合成方法及其应用是一个新颖并且具有挑战性的课题。

• These results indicated that the deposition of hydroxyapatite on the surface of polypropylene film can improve. . .

  这些结果表明，聚丙烯包装薄膜表面沉积羟基磷灰石能有效地提高其亲水性能和阻隔性能。

• As in a NiCad battery, the NiMH's anode is made of nickel oxyhydroxide immersed in an electrolyte of potassium hydroxide.

  就像镍镉充电电池一样，金属氢化镍电池的阳极是由浸泡在氢氧化钾电解质中的羟基氧化镍制作而成。

• Formulated with a unique Polyhydroxy acid, gluconolactone, to even skin tone and reduce appearance of fine lines and wrinkles.

  配方中的一个独特的多羟基酸，葡萄糖酸，甚至肤色，减少细纹和皱纹的出现。