hydroxyl是什么意思？

It will be more susceptible to attack by hydroxyl ion.它更容易被羟基离子所作用.Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The free hydroxyl ion is involved in a further reaction with the silica network...

Key compounds under review included vitamins, antioxidants , alpha - hydroxyl acids, moisturizers, pentapeptides and botanicals.主要成分包括:维生素 、 抗氧化剂 、 果酸 、 湿润剂 、 胸腺五肽以及植物制剂.In these methods, the halogenation of compounds co...

hydroxyl的音标：hydroxyl的英式发音音标为：[haɪ'drɒksɪl]hydroxyl的美式发音音标为：[haɪ'drɒksɪl]...

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A muscular spasm in the coronary artery can cause a heart attack.冠状动脉的肌肉痉挛可能导致心脏病。He almost bled to death after the bullet severed an artery.子弹穿过动脉，他失血过多几乎性命不保。Blood enters the kidneys via the renal artery.血液通过肾动脉流进肾脏。...

n.缝边者，缝边器...

clones的音标：...

淋巴孢子虫属...

“密集”的拼音为：mì jí...

“蒸流”的英语可以翻译为：distillation，distilling，rectifying ...

JavaScript的音标：...

hooter的复数形式为：hooters...

The towns are on the way to becoming agglomerations of desperately poor people.这些城市正逐渐变为极度贫穷之人的聚居地。Shandong Peninsula Agglomerations are the most developed region of Shandong Province.山东半岛城市群是山东省经济最发达的地区.Shandong Peninsu...

adj.等倾斜的，等伏角的...

阿斯匹林是一种缓解剂.Aspirin is a palliative ( drug )....

一颗病牙可使牙床脓肿.A bad tooth may cause an abscess on the gums....

Instead of dining in top restaurants and wearing expensive suits, he likes to eat hamburgers and buys clothes off the peg.比起穿着昂贵的套装到高档饭店吃饭，他更喜欢吃汉堡、买成衣。Leaves on the line are an expensive problem for the railways.处理铁轨上的落叶...