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k8凯发国际登陆“双碳”科普

2024-10-12 01:41:28 来源于:k8凯发国际入口-一触即发

  节目中●▽◁★,生物化工专家■●▽△▽、中国工程院院士•○、北京化工大学校长谭天伟解释道▲◇-○▷:▼●•□“碳中和简单地来看■▲-○,就是我们释放出来的二氧化碳与被利用和吸收了的二氧化碳-•◁,两者持平时□◆◆▪◆,便达到了碳中和●-▼…。■…☆▲•”

  2021年2月7日□◇,由中国青年报联合好看视频共同出品的《院士科普》栏目第二期正式上线•▽■▷▽。

  关于能源结构的调整○□,谭天伟曾表示-◆□,一方面★△■…,要更多地采用可再生能源…○◇!

  ○☆○◆▲“机遇只给有准备的头脑=△☆•□。○◆…▽★●”谭天伟院士在分享令自己印象十分深刻的一段科研经历时说道■★。20世纪90年代◆•★▽,谭天伟开始进行=◆“发酵工业菌丝体综合利用□=”项目时-…■○,日本的相关研究已经持续了几十年●•★•,短期内要把成本降到比日本还低非常难▼▼○▽。中期考评时k8凯发国际登陆◁…▷●•,项目距离完成目标还很远•★,那时他每天都在想这件事○=◇,急得睡不着觉•●。一次偶然的机会▼▪,谭天伟在参观华北制药厂青霉素车间时•★■,看到成堆的青霉素废菌丝体被扔掉▲▽○▼…□。他打包了一包带回实验室分析▪…,发现废菌丝体内竟含有麦角固醇★◁▽▽◇。没有经过发酵过程◁▽-,从废物中获得■◆,便把成本降到比国外先进水平更低•●◆★▼☆。

  同时应该降低相关工艺的能耗▼○-■▷。电动汽车并不减碳•▼☆?就网友们提出的这一问题△◆,电动车是否低碳▽★■,

  △▷◁☆◁○“人均用能可以说是人类社会幸福的一个重要标志-=▼◇。▷=”谭天伟院士说道☆▷…=◁,■◁=“但消耗的能量越来越大●▼-▪▲★,靠自然界已经无法完全吸收…▽▪□,那该如何达到碳中和呢●=…?……▪”

  谭天伟认为•★□…,未来的电动车如果要减排▲▷◇△△■,▷•“如果电来源于煤炭发电☆▽☆◇▲▲,就已经在排放二氧化碳…△。★●▪▲=★“双碳▽•-”目标的实现▷●◇△▲,电动车的电要来自于可再生能源的电△◆,关键是电来自哪里=◁-●◇。

  谭天伟院士在节目中指出■■◆▲,要考虑电动车电池的寿命△■▪■=▽、废物处理等问题-☆。很大一块就是能源结构的重大变化☆▷。像太阳能…△、风能◇•◆◁□、水力能等等◆•◁△★▼,•★△▪▷□”谭天伟提到▪▷,那么就是不低碳的☆◁□。另一方面▲●★…○▽,因为在发电时□▪◁。

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