OH group is favorable for forming strong hydrogen bond between molecules, which pays an important role in the crystal packing.

OH 的存在，使分子间出现了强氢键，且对分子堆积成晶体起重要的作用；

youdao

The-COOH contents in HA increases, phenolic-OH group decreases and the chemical acidity of acidic functional groups increases when HA is oxidized by nitric acid.

用硝酸氧化能使ha中羧基含量增加，酚羟基减少，酸性功能团活性提高。

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In order to remove the residual water in germanate glass, some fluoride were added into the composition. Experimental results indicated that the content of OH group decreased with fluoride increasing.

结合锗酸盐玻璃含有少量水的问题，在成分中引入氟化物，实验表明：随氟化物含量增加，玻璃中羟基含量逐渐降低。

youdao

In eighteen-oh-two, he sent a letter to a religious group in the state of Connecticut.

VOA: special.2009.05.22

They're done with the standard university undergraduates like you and these-- and if you were in this group you wouldn't say, "Oh. I didn't want to help because the person's black."

而是普通大学的本科生,像你们一样-,如果你属于这个群体，你不会说，”我不想帮他，因为这个人是黑人“

耶鲁公开课 - 心理学导论课程节选

The film, adapted by David Lindsay-Abaire from his own play, could have been merely gruelling, but Mitchell keeps nudging scenes away from the obvious, toward the risky brink of comedy look at Howie and another grieving parent (Sandra Oh) getting stoned and giggling their way through group therapy.

NEWYORKER: Rabbit Hole

Washington (CNN) -- "Bang ups and hang ups can happen to you, " Attorney General Eric Holder read to a group of preschoolers from Dr. Seuss' book "Oh, The Places You'll Go" at the Department of Education's kickoff to its summer reading program on Wednesday.

CNN: STORY HIGHLIGHTS

Turns out IBM's software group writes a lot of code specifically for the iPhone, iPad, BlackBerry--oh, and Android and even Windows Mobile.

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