In some cases, alternative gelling agents might provide faster results. Researchers observed that bacterial cellulose and another bacterial polysaccharide, Eladium, allow a 50 percent increased growth rate for various bacteria and yeasts (as compared to their growth on agar), including higher biomass yields or faster detectable biofilm formation. However, both substances are still not as cheap and readily available as agar.
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但三星并不是第一家在手机上直接集成防窥屏硬件的厂商,夏普从 LCD 翻盖机时代就已经搭载了类似的技术,一直到 Aqous 时代都有延续: