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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.。业内人士推荐搜狗输入法2026作为进阶阅读
Two tunnels have been bored 1.8 miles (3km) under the Severn Estuary which will deliver 120,000 litres of water per second into the cooling system.