Growing algae for use in has a greater environmental impact than sources such as corn, switch grass and canola, researchers found in the first life-cycle assessment of algae growth.

在研究人員對(duì)藻類生命循環(huán)的首次評(píng)估中，他們發(fā)現(xiàn)為了生產(chǎn)生物燃料而種植的藻類將比玉米亚日韩黄色网，雜草和油菜籽對(duì)環(huán)境的危害更大手机在线播放黄色网站视频。

The simplified iron-flow diagram with time factor for the life cycle of steel prod- ucts was compared with its detailed version.

闡明了有時(shí)間概念的鋼鐵產(chǎn)品生命周期鐵流圖與鐵流詳圖之間的異同構(gòu)思了鋼鐵產(chǎn)品生命周期的基準(zhǔn)鐵流圖把女人弄爽A片免费视频，并把它作為評(píng)價(jià)各實(shí)際鐵流圖的標(biāo)準(zhǔn)国产精品九一精品免费视频。

To objectively evaluate energy consumption and environment effect of the two fuels, based on city buses, oilsaving and emissionreduction effects of the application routes of the two kinds of imported natural gas were analyzed and compared with that of traditional diesel by means of life cycle assessment method.

為了客觀評(píng)價(jià)兩種替代燃料的能源消耗和環(huán)境影響，以城市公交客車為應(yīng)用對(duì)象18岁进入网站免费看，采用生命周期評(píng)價(jià)的方法国模高清，分析了兩種進(jìn)口天然氣基車用替代燃料利用路徑與傳統(tǒng)柴油相比的石油節(jié)約和排放降低效果。

Life cycle cost ; diesel powered bus ; CNG powered bus ; Shanghai city

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Biodiesel;waste edible oils;life cycle assessment;diesel engines;emissions

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Coal water slurry; diesel; assessment of life cycle; environment impact

文章對(duì)柴油機(jī)替代燃料生命周期環(huán)境影響的評(píng)價(jià)毛片黄色黄片.COM，建立了油水煤漿燃料的評(píng)價(jià)模型www.色色网站，通過(guò)計(jì)算分析結(jié)果表明，隨著油水煤漿中煤炭含量的增加91視频免费看，除光化臭氧形成潛能降低以外三级在线視頻，其它污染指標(biāo)值都有增加，說(shuō)明油水煤漿系統(tǒng)比柴油系統(tǒng)消耗能量要多日本强伦姧人妻网站，對(duì)全球環(huán)境有一定影響天天三级视频，但在局部條件下與燃油相比，燃用油水煤漿可以減少NOx等主要污染物的排放量可乐无码Aⅴ在线视频。

Drum sieve using imported technology to produce processing, according to uniform seam screen, opening a high rate, wear-resistant, long life cycle.

篩鼓采用進(jìn)口技術(shù)加工制作一级乱伦黄片，篩縫據(jù)均勻，開(kāi)孔率高亚洲性爱中文字幕视频，耐磨wwwwxxxx.公共厕所，使用周期長(zhǎng)。

Adequate maintenance can prolong school buildings' life cycle, enhance quality of learning, and reduce unexpected repair expense, but it is also an ever-going unpredictable expenditure for schools.

適當(dāng)?shù)木S修整建可以延長(zhǎng)建筑物的生命周期午夜在线视频，減少新設(shè)建筑物的建設(shè)費(fèi)用操日色，也是學(xué)校經(jīng)營(yíng)管理中需要持續(xù)處理，卻難以預(yù)估的重要費(fèi)用一女被多少做做免费在线观看。

BDMP(Bridge Design Method and Process) was created in 2007. We mainly concentrate in the research of Life-Cycle Design, Risk Evaluation, Wind-resistance Analysis and Bridge Aesthesis Design.

橋梁設(shè)計(jì)方法與過(guò)程研究室成立于2007年yeyefuli无码视频，主要研究領(lǐng)域覆蓋橋梁全壽命設(shè)計(jì)，橋梁風(fēng)險(xiǎn)評(píng)估1314午夜精品理论片，橋梁抗風(fēng)性能技術(shù)以及橋梁美學(xué)設(shè)計(jì)综合欧美在线。

Then afterwords, a detailed discussion was made on the five stages of life cycle analysis of green products and on its related mathematical method.

然后詳細(xì)討論綠色產(chǎn)品壽命周期分析的五個(gè)階段及其有關(guān)的數(shù)學(xué)方法，最后以低密度聚乙烯為例進(jìn)行了LCA方法的應(yīng)用分析国产真实激情在线观看电影视频。