查询词典 methane

It indicates that when the concentration of methane is below 22%,the error will be 0.1

在实验测量中，当瓦斯浓度小于22%时，误差为0.1

Methane is a principal component of natural gas.

天然气的主要成分是甲烷。

The type of mechanism may depend on source of methane monooxygenase or other factors.

反应机理的类型可能取决于MMO 的来源或者其他因素。

Methane and carbon dioxide are very rich resource and energy and the major greenhouses in the world.

甲烷、二氧化碳是十分丰富的资源和能量，同时也是主要的温室气体。

Coalbed methane is a kind of high-quality and clean energy.

煤层气是一种优质的洁净能源。

Preferably, the product is a monohalogenated methane, more preferably, methyl chloride.

优选地，所述产物是单卤代甲烷，更优选为氯甲烷。

The effects of pressure, gas flow and methane concentrate in the growth rate and micrography of CVD diamond films were discussed.

本文着重研究了沉积气压、气体流量和甲烷浓度对金刚石薄膜形貌和生长速度的影响。

In our studies, methane adsorption performance was mainly determined by surface area and micropore volume of activated carbon.

甲烷吸附实验表明：中试制备的活性炭具有良好的吸附性能，在25℃，3.5MPa条件下，甲烷吸附量均在15%以上，最高可达23.86%。

Results showed that both bulk density and micropore volume of the formed activated carbon controlled the volumetric storage capacity of methane.

结果发现：随粘接剂含量的增大，所制型炭的抗压强度、堆密度增大，而比表面积及孔容减小，其对甲烷的吸附性能也呈下降趋势。

Introduced a design of smart sensor based on ZigBee protocol for workspace temperature,humidity and methane detection of underground coal mine as well as for mineworker tracing and alarm service.

文中介绍一种基于ZigBee无线通信平台的煤矿井下智能传感器的设计，用以实时检测各作业面的温度、湿度和瓦斯浓度，跟踪记录矿工位置并向其提供安全信息。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。