D) It has a chemical structure unknown to scientists.

D）它具有科学家未知的化学结构。

And this ability has to do with latherin's chemical structure.

这种能力与泡沫素的化学结构有关。

But either way, their properties come from their specific chemical structure.

但是无论由何种方式组成，它们的性质都源于它们的化学结构。

That helps keep the plant's chemical structure intact despite all that extra metal.

使这种植物在高浓度镍的环境里仍保持化学结构不被破坏。

Experts say study of the stone's chemical structure leads them to believe they come from space.

专家表示，对这块石头的化学结构的研究让他们相信它们来自太空。

And when it does this, the free radical changes the chemical structure of those molecules, sometimes damaging them.

当它这样做时，自由基会改变这些分子的化学结构，有时会破坏它们。

Scientists used X-rays to examine the chemical structure of an extremely small part of the more than 500-year-old painting.

科学家们使用X射线检查了这幅500多年前的油画中极小部分的化学结构。

Here is the chemical structure of epinephrine.

这是肾上腺素的化学结构。

Alien  life may not share the same chemical structure.

外星生命可能不具有相同的化学结构。

DNA is the chemical structure present in the centre of a cell which defines somebody's characteristics. This is to fight a particular disease.

DNA是存在于细胞中心位置的化学结构，决定一个人的特点。它可以决定一个人能否抵御某种疾病。

Unraveling long-term variations in climate relies heavily on information embedded in the chemical structure of fossils.

揭示气候的长期变化在很大程度上依赖于化石化学结构中嵌入的信息。

The materials in question are quantum dots, the informal name for chemical structures also known as semiconducting nanocrystals.

所讨论的材料是量子点，这是化学结构的非正式名称， 也称为半导体纳米晶体。

They're called simple carbs because the chemical structure of them is usually one to two glucose molecules put together.

它们被称为简单碳水化合物，因为它们的化学结构通常由一到两个葡萄糖分子组合而成。

Zircon is similar to quartz, both in its chemical structure and in its durability, they both stick around a long time after other minerals weather away.

锆石的化学结构和耐久性都与石英相似，它们都能在其他矿物风化后长期存在。

Researchers weren't just purifying what they found in nature anymore they were actively working to change the chemical structure of compounds to develop more effective treatments.

研究人员不仅仅是净化他们在自然界中发现的东西，他们还积极努力改变化合物的化学结构，以开发更有效的治疗方法。

And this is key, because a hormone's chemical structure determines if it's water soluble, like most amino acid-based ones are, or lipid soluble, like steroids are.

这是关键，因为激素的化学结构决定了它是像大多数氨基酸一样是水溶性的，还是像类固醇一样是脂溶性的。

So trans fat and hydrogenated fats are the same thing... one refers to the process through which they are created, and the other their chemical structure.

所以反式脂肪和氢化脂肪是一回事… … 一个是指它们产生的过程，另一个是指它们的化学结构。

Dr Renslo and his colleagues have therefore been analysing and modifying the chemical structure of aminothiazoles to see if this can enable them to cross the blood-brain barrier.

为此，Renslo博士与其同事已经在分析并尝试修饰氨噻唑的分子结构，以使之能通过血脑屏障。

So your blood cells, your red blood cells, are coated with sugars, and the chemical structures of those sugars determine your blood type.

所以你的血细胞， 你的红细胞， 都涂有糖，这些糖的化学结构决定了你的血型。

It's still occasionally used as an anesthetic, but many of the more common regional anesthetics have a similar chemical structure and work the same way.

它仍然偶尔用作麻醉剂，但许多更常见的区域麻醉剂具有相似的化学结构并且以相同的方式起作用。