查询词典 carbon dioxide

The use of the carbon cycle model with an explicit ecosystem is a developing trend in the study of biogeochemical cycle of carbon dioxide and its response to global change.

还讨论了模拟海洋碳循环的现状和存在的问题。

Carbon dioxide (CO2) is the main vehicle of carbon flux between atmosphere, oceans and biota.

二氧化碳是大气，海洋和生物区系中碳循环的主要载体。

Greenhouse effect Increased retention of heat energy by the Earth's atmosphere as a result of increased emissions of carbon-based and other heat absorbing gases, including chlorofluorocarbon and carbon dioxide.

温室效应由于不断增加的碳基和其他吸热气体的排放，包括氟氯烃和二氧化碳，致使滞留在地球大气中的热能不断增加。

"Greenhouse effect: Increased retention of heat energy by the Earth's atmosphere as a result of increased emissions of carbon-based and other heat absorb ing gases, including chlorofluorocarbon and carbon dioxide."

温室效应：由于不断增加的碳基和其他吸热气体的排放，包括氟氯烃和二氧化碳，致使滞留在地球大气中的热能不断增加。

The concentration of carbon dioxide in the air being only 0.03 per cent, carbon is amassed into the compass of the plant from a large volume of air.

因为空气中二氧化碳的密度只有万分之三，所以聚集在植物内部的碳是从周围极大体积的空气中得来的。

The concentration of carbon dioxide in the air being only 0.03 percent;carbon is amassed into the compass of the plant form a large volume of air.

因为空气中二氧化碳的密度只有万分之三，所以聚集在植物内部的碳是从周围极大体积的空气中得来的。

Above the light off temperature, the main products of ethane oxidative dehydrogenation were ethene, carbon monoxide and carbon dioxide.

在负载型杂多酸上进行的乙烷氧化脱氢反应主要产物是乙烯、一氧化碳和二氧化碳。

It employs carbon dioxide as carbon source to replace traditional sugar, the concentration is controlled to be 2000- 3000ppm, takes light transmission, ventilating and water- proof fluoroethylene resin film as container, and gets tissue culture sprout and replanting sprout of chrysanthemum, which are characterized by largest plant height, largest leaf number, root number, longest root length and largest dry net weight of haulm and root, high rate of emergence and little pollution rate.

本发明提供了一种无糖培养菊花的方法，采用二氧化碳作为碳源，替代传统的糖，控制释放浓度为2000～3000ppm，采用透光性好、透气不透水的氟乙烯树脂膜为容器，在此种培养条件下，不同品种的菊花组培苗和组培后移栽苗在株高、叶数、根数、最大根长、茎叶部分和根部部分的干鲜重最大，出苗率高，污染率最低。

The spacecraft's sensitive spectrometer was able to register the chemical signatures not only of water vapor but also of hydrogen cyanide, carbon monoxide, and carbon dioxide--all precursors of the more complex molecules that scientists think eventually gave rise to life on Earth.

斯必泽太空望远镜上敏感的光谱仪不但能够记录水蒸气的化学特征，还能够记录氰化氢、一氧化碳和二氧化碳的化学特征，这些都是更为复杂分子的初级粒子，科学家们认为是这些初级粒子最终导致了地球生命的产生。

The invention provides a process for production of methanol from a feed stream rich in hydrogen carbon monoxide and carbon dioxide.

本发明提供一种从富含氢气、一氧化碳和二氧化碳的进料流生产甲醇的方法。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。