The second-generation bio-fuels and chemicals can be produced using several methods such as hydro conversion, thermal or catalytic cracking, biomass gasification and syngas conversion.
第二代生物燃料和化学品可采用加氢转化、加热裂化或催化裂化、生物质气化和合成气转化等几种方法生产。
When stimulated, the living cell responds and takes actions in the form of generation active bio-potential.
细胞受到刺激后的反应表现为：动作电位的产生。
Right now, people are using the fourth generation bio-fuels.
如今，人们正在使用第四代生物能源。
During many decades study, scientists have produced different types of bio-fuels that into four types: first generation, second generation, third generation and fourth generation.
通过几十年的研究，科学家们生产出的不同生物燃料分为四类：第一代，第二代，第三代和第四代。
At the beginning, the first generation bio-fuels are derived from starch, vegetable fats, and sugar that all are in turn derived from crops.
最开始，第一代生物燃料来源于由农作物转变而成的淀粉，植物油和糖。
At the beginning, the first generation bio-fuels are derived from starch, vegetable fats, and sugar that all are in turn derived from crops.
最开始，第一代生物燃料来源于由农作物转变而成的淀粉，植物油和糖。
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