查询词典 methane

The research results showed that the time of illumining on the reaction system has strong effect on the production, and methane acid and formaldehyde are the prior products.

通过这一研究表明，光照时间对产物量有很大影响。

These work can be as the reference to this area in the future Pd/〓/〓、Pd/〓、〓、〓, under illumining of photo 〓 was reduced under the action of the catalysts into products, including methane acid、methanol and formaldehyde.

我们对几种催化剂进行了对比性研究，如Pd/〓、Pd/〓、〓，通过可见光的照射，使二氧化碳在催化剂的作用下进行还原，发现得到的产物均为甲酸、甲醇和甲醛。

The methane content of the biogas was over 70%.The appropriate inocula can raise the effect of biogas production.

本试验在发酵原料总固体浓度为8％、换料时间间隔为7d，pH值在6.8～7.4之间、发酵周期为30d时，对原料分别接种占原料干物质重的20％的生活污泥、池塘污泥和沼气池污泥。

Analysis on applied mechanism of multiple laterals horizontal well in developing coalbed methane［J］.

多分支水平井在煤层气开发中的应用机理分析［J］。

It is restricted by geologic setting of coal bed formation and geometric configuration of borehole to utilize multiple laterals horizontal well to develop coal bed methane resources.

1引言多分支井技术是在定向井、大位移井和水平井技术基础上，迅速发展起来的一项石油开采技术，它可以大大提高油藏的采收率，降低油藏开采综合成本，经济效益十分显著，应用前景十分广泛，是21世纪油气田开发的主体工艺技术之一。

If buried, dead stock attracts vermin, leaches nitrogen and methane into the environment, and poisons the groundwater.

如果畜牲死亡是属灾难性的，譬如因为天气恶劣或疾病暴发﹐那麼通常尸体就会被焚烧。

Chapter 1 mainly reviews the evolution of methane catalyzed by ligated transition metal.

第一章，综述了金属配合物阳离子活化甲烷的反应研究进展及本文主要工作。

Based on the research of the literature from home and abroad, this experiment was to study methods and models of rapidly estimating methane emission value of beef cattle and fertilizer value of beef cattle slurries, which would provide some theoretical support for controlling the output of animal wastes and harmless resource utilization of animal manures as well.

本研究在参考国内外相关文献资料的基础上，从理论的角度出发，以肉牛为研究对象，通过大量的试验，较系统地研究了肉牛废弃物排放的快速预测方法和模型，为有效控制畜禽废弃物的排放以及对畜禽粪便资源进行无害化、资源化利用提供了基础依据。

Formaldehyde, methanol and methane have been utilized as methylating agents.

甲烷、甲醇和甲醛可用作反应的甲基化试剂。

Therefore,we try to directly couple the endothermic reaction of long chain alkane dehydrogenation with the exothermic reaction of methane catalytic combustion by using the metallic monolithic catalysts,which highly miniaturizes reactor size and significantly increases heat efficiency.

因此，本文以长链烷烃脱氢和甲烷催化燃烧为模型反应体系，利用金属基整体式催化剂将上述吸热与放热催化反应直接进行热耦合，以期实现工艺过程的高度集成并提高热利用效率。

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。