Methods Apraclonidine was synthesized from P-Nitraniline by reaction with reduction, adding protection group, formylation, chlorination, cyclization, off-protecting group.

方法采用对硝基苯胺为原料，经还原、加保护基、甲酰化、氯化、环合、脱保护基六步反应法可进行化学合成。

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If the tertiary butyloxycarbonyl group is being used as amino-protecting group, its removal is effected with acid, such as HCl and isopropanol as a solvent or with trifluoroacetic acid neat.

如果用三叔丁基羟基作为氨基保护基团使用，应用酸来将其脱去，如以盐酸和异丙醇为溶剂或无水三氟乙酸。

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Recent funding for a conservation plan, through Birdlife Asia, a conservation group, is a start. But protecting colonies from egg-hunters is the immediate challenge, and not only in Zhejiang province.

最近，由亚洲鸟类保护组织提供的一笔用做保护计划的资金启动，但是保护那些繁殖地不受偷蛋者的侵扰是一个迫在眉睫的挑战，不光在浙江。

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The new agricultural research group says protecting against global warming is only part of its purpose.

VOA: special.2010.01.05

Make trade-offs between protecting a small constituent group (say, pensioners or investors) over a larger (current employees or society).

FORBES: Responsibility and the Ethics of Inoculation

The vaccine was 9% effective in protecting people in that age group.

CNN: Flu vaccine less effective, especially among elderly

This is a deeply held survival mechanism: when we see that the leader is doing his or her best to share whatever resources exist within the group so that as many as possible can survive and thrive, we take it as an important signal that the leader cares more about the success of the group than about protecting him or herself.

FORBES: In Hard Times, It's Even More Important To Be Generous