Gas chromatography is a technique used to separate mixtures of gaseous chemical compounds based on differences in the compounds’ relative affinities for a solid (gas-solid chromatography ...

Exclusion chromatography can be used to separate molecules on the basis of size 1,2. The technique described here, which uses gel filtration to separate high-molecular-weight DNA from smaller ...

Sometimes a scientist needs to figure out what is in a certain mixture of substances. One way they can do this is to use a process called chromatography. In the activity below, you can try ...

Chromatography is a technique used to separate soluble substances that have been mixed together. It’s normally used to separate coloured mixtures, like food colourings. We are going to use ...

此车系在当前城市暂无经销商信息。 此车系在当前城市暂无经销商信息。

此车系在当前城市暂无经销商信息。 奥迪RS 3的到来可以说是给国内的"钢炮迷"们多了一个很有意思的选择，至此这个级别的BBA三强也算聚齐了。

The Audi RS 7 isn't new; the current generation debuted at the 2019 Frankfurt Motor Show. Just shy of four years later, the brand rolled out a mid-life refresh that turned it into the RS 7 ...

There’s no mistaking this prototype for anything other than an RS, its bespoke body panels and Cup car-style aero resembling that of the current model. The front end appears identical to the 992 ...

Mega-performance SUVs like, for instance, the 2025 Audi RS Q8 Performance. The 2025 Audi RS Q8 Performance is the freshly updated, freshly more badass offering now topping the manufacturer’s ...

The refreshed 2025 Audi RS Q8 adds a new top-tier Performance model with 631 horsepower, which encroaches on the 657-hp nonhybrid Lamborghini Urus. Along with 40 extra hp, the RS Q8 Performance ...

Getting the RS3's tail to kick out is still as simple as selecting the RS Torque Rear driving mode. Compared with the lesser A3 and S3, the RS3 has upgraded brakes, a stiffer suspension setup ...