查询词典 methane

Abundant, cheap, and clean, methane is used widely as a fuel in homes, commercial establishments, and factories; as a safety measure, it is mixed with trace amounts of an odorant to allow its detection.

甲烷储量丰富，价格便宜，又干净，所以广泛用作家庭、商业设施以及工厂的燃料。作为一种安全措施，在甲烷中掺入痕量的有味气体以便辨识。

Although carbon dioxide and methane are odorless, they can be lethal.

虽然二氧化碳和甲烷是无味，就可以致命。

Until now, it has the most industrialized future with iodine as a catalyst system in oleum in the liquid phase of partial oxidation of methane reaction.

甲烷部分氧化反应是天然气直接转化制备高附加值化工原料的重要途径，它对于天然气资源的综合利用具有重要意义。

At present, although the iodine as a catalyst, oleum as the solvent liquid phase partial oxidation of methane research is not adequate, but the reaction has higher yield and the conversion rate of the industrialized good prospects to enlarge production.

目前，虽然以碘为催化剂、发烟硫酸为溶剂的甲烷液相部分氧化反应的研究尚不充分，但是该反应具有较高的转化率和收率，工业化放大生产的前景良好。

The mechanism of V2O5 catalytic cycle for methane partial oxidation in oleum was discussed and the macro-kinetic model was deduced.

甲烷在部分氧化反应中首先转化为硫酸甲酯，后者进一步水解得到甲醇。

Demonstration 80 acres of orchards, showing orchard grass, high-grafting, fertilizer formula, pollution-free cultivation, livestock methane + ecological orchards mode.

试验示范果园80亩，展示果园生草、高接换种、配方施肥、无公害栽培、沼气+养畜的生态果园模式等。

We hope that the understanding on the reactivity of gas-phase osmium oxide cations with methane is helpful for the design of catalyst for the similar reactions.

所以甲烷和乙烯中C-H键的活化具有重大的经济和环境价值，也是最具基础意义的化学前沿课题之一。

In the past, atmospheric methane levels have varied between .3 and .7 parts per million.

过去，大气中的甲烷含量在0.3到0.7ppm之间。

The livestock sector, and by implication pastoralism, has been accused of contributing to global warming through methane emissions.

人们一直指责畜牧业，意指游牧养殖业的沼气释放也是全球暖化的罪魁祸首之一。

The terrain is dominated by taiga—dense forest of spindly birch, cedar, and pine—and boloto, peaty marsh that is frozen for most of the year and in spots bubbles with methane.

这个地区主要是由茂密的西伯利亚针叶林带和泥炭沼泽构成；针叶林带的树木以细长的桦木、雪松与松树为主，泥炭沼泽一年大多呈冰封状态，有些地点还会冒出甲烷。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&