Glycerol, the by- product from transesterification, cannot be used as fuel due to its insolubility in biodiesel and fossil diesel,causing a fuel yield of only 90%.

來(lái)自酯交換反應(yīng)的副產(chǎn)品——丙甘醇福利一区首页，因?yàn)樗谏锊裼秃偷V物柴油里的不溶性導(dǎo)致不能被用作燃料国产论理精品在线，這使得燃料的產(chǎn)量只有90%毛片AAAAAAA免费视频。

Like any other fossil-fuelled car, a self-charging hybrid's official fuel consumption is simply the number of miles it can eke from a gallon of petrol while being tested on the EPA's cycles that mimic driving on city routes and faster roads.

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Through comparison of energy inputs in corn fuel ethanol life cycle,fossil energy inputs of corn production and ethanol conversion processes were identified as the most important,and therefore nitrogen fertilizer,electivity and diesel used in corn farming and energy consumption of distillation and dehydration process in ethanol production could be known as the most influential factors for the energy benefit of corn fuel ethanol.

但是玉米燃料乙醇從原料的生產(chǎn)男人的天堂网免费网站、乙醇的轉(zhuǎn)化先锋影音最新AV看片资源，一直到被燃耗的整個(gè)生命周期中的多個(gè)階段需要直接或間接地消耗礦物能源，因而黄色视频在线观看免费网，雖然玉米燃料乙醇是可再生能源免费A片吃奶玩乳视频，然而是否具有可持續(xù)性及可持續(xù)性的大小則取決于其燃耗中所產(chǎn)生的能量與燃料乙醇整個(gè)生命周期中所消耗的能量相比是否有盈余及盈余的大小。20世紀(jì)70年代中期欧美,曰韩,国产馆在线视频，玉米燃料乙醇的能量平衡問(wèn)題研究首次在美國(guó)出現(xiàn)[2黄片一级aaaaa免费视频，3]，當(dāng)時(shí)乙醇替代汽油的能量效益的有關(guān)研究指

The fungus, called Gliocladium roseum and discovered growing inside the ulmo tree in northern Patagonia, produces a range of hydrocarbon molecules that are virtually identical to the fuel-grade compounds in existing fossil fuels.

這種真菌叫做粉紅粘帚霉少妇精品无码专区视频仙踪林，生長(zhǎng)于巴塔哥尼亞北部的心葉船形果樹上久久这里都是精品1，能產(chǎn)生各種烴分子，從本質(zhì)上講和化石燃料的成分是相同的操B网址。

T present, human face two crucial problems of fossil fuel energy depletion and environmental pollution. Thus, developing high-efficiency environment-friendly vehicles to replace traditional oil-fueled vehicles has become an important issue.

bstract：目前人類面臨化石能源耗竭與環(huán)境污染兩大問(wèn)題德国三级片，有鑒於此国产在线三区，發(fā)展高效率的環(huán)保性運(yùn)具來(lái)取代傳統(tǒng)燃油運(yùn)具已勢(shì)在必行色区一区二区在线观看。

We estimated the average emissions for willow, poplar and Miscanthus, and compare these to emissions of fossil-fuel based power plants.

本文中估測(cè)了柳樹，白楊和象草生長(zhǎng)過(guò)程中N2O的平均排放量并把這些與使用化石燃料發(fā)電的電廠產(chǎn)生的溫室氣體排放量進(jìn)行比較玖玖资源网日本在线视频。

The application of soybean bio-diesel can lighten the dependence of human being on fossil fuel, and reduce the pollution obviously.

大豆生物柴油的應(yīng)用可以減少人類對(duì)礦物燃料的依賴国产国语一级免费黄色，而且可以大大減少對(duì)環(huán)境的污染。

Carbon dioxide is released to the atmosphere when solid waste, fossil fuel and wood products are burned.

假若沒有大氣層，地球表面的平均溫度不會(huì)是現(xiàn)在合宜的15℃国产大乳一级在线观看，而是十分低的-18℃韩国日本ww色成年免费网站。

Orimulsion,a bitumen-in-water emulsion,composed of 70% heavy crude oil reserved in Venezula and about 30% water,is called " the forth " fossil fuel.

奧里油是產(chǎn)于委內(nèi)瑞拉的一種乳化原油，這種全新的油品被稱為&第四種&化石燃料欧美天天。

Coal is still used, mostly in power stations, to cover one-quarter of our energy needs, but it is the least efficient, unhealthiest and most environmentally damaging fossil fuel.

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