A new method of determining the antioxidant activity of betulin from betula bark is established.

The microwave-assisted extraction ( MAE ) of betulin from Betula platyphylla Suk.

利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.

Why don't you apply some mentholatum here?

你何不在这里涂点薄荷?

An ugraded version of the software will be brought into use.

这个软件的升级版本将开始投入使用.

If hostilities broke out, would such terrible weapons be used?

如果对抗一旦激化, 这样恐怖的武器会不会被投入使用 呢 ?

When to put the new school to use will be announced tonight.

新学校什么时候投入使用将在今晚宣布.

The dig site was approximately 100 miles south of the capital.

发掘点大约距离首都以南100英里处.

Rocky Mtns south to Arizona and east to Atlantic coast.

分布于亚利桑纳州以南或大西洋以东的多山地区.

They narrowly missed being killed 15 miles south of Saigon.

在西贡以南15英里的地方,他差点给打死了.

The horizontal heading changes 100 ft east over 1000 ft immediately south of the peak.

水平航向在峰值以南1000英尺内偏东100英尺.

The airport is to the south of the railway station.

飞机场在火车站以南.

The town lies ten miles to the south of here.

那个小镇位于这里以南10英里处。

This was the offering of Ahira son of Enan.

这是以南儿子亚希拉的供物.

The width and the length of belt can be supplied as required.

器带宽和带长可根据需要提供,布置可以水平或倾斜布置.

You will probably run out of bandwidth before you exhaust a P 3-500 .

你可能在耗尽带宽之前就让P3 -500 不堪重负了.

Wang Xi: the 3 g band width increased, the multimedia applications increased.

汪溪: 3g的带宽增加了, 多媒体应用增加了.

Key words operational amplifers , gain-bandwidth product, circuit-mode , active filter.

关键词运算放大器, 带宽增益积, 电流型, 有源滤波器.

Features: High gain bandwidth product, small output capacitance, low noise figure.

特点: 产品增益带宽高, 输出电容小, 噪声系数低.

Is it possible to have both bandwidth and brains?

是否可能同时拥有带宽与大脑?

To take out an open policy, I suppose we phone our insurance broker.

要购买一种不定额保单, 我想我们要打电话给保险经纪人.

We shall take our insurance at this end under our open policy.

我们将在这里根据我方预约保险单规定办理保险.