甲烷

The results show that both the surface area and the pore volume of the activated carbons increase considerably after acid treatment.

考察了不同酸处理方式的活性炭的性质变化及其对甲烷催化裂解反应性能的影响。

To look for the catalyzers with high activation at low temperature, high-selectivities and high stabilities is always the focus in experimental researches.

乙烷作为在自然界储量仅次于甲烷的低碳烷烃，对它的活化研究无论在基础研究领域还是在工业生产方面均有重要的地位。

Coffins are made from chipboard or tropical hardwood, decomposing slowly alongside a methane-producing corpse as it rots.

棺材是用硬纸板或者热带硬木制成的，会随着尸体的腐烂慢慢分解，后者还同时产生甲烷气体。

Even though,domestic increased rate of methane chlorides demanded is quicker than that of produced.

尽管如此，国内市场对甲烷氯化物产品的需求增长速度仍快于国内生产增长的速度。

Using KL-1 photocatalytic reactor with 20 w UV light as light source,particle size in average a parth for nano TiO_2 suspension system of 30 nm,Methyl Violet 5BN can be efficiently decoloured,and there is the maximum decolorization rate of Methyl Violet 5BN in strong acid solution.

以脱色率为主要考察指标，研究了纳米TiO2光催化氧化法处理三苯甲烷染料碱性紫5BN的最佳工艺条件。

The success of development of the depainting agent has opened a new way for the profound processing ...

该脱落剂的开发成功为我国二氯甲烷的深度加工开辟了新的途径。

The desorbed methane carbon isotope of coal core samples collected from Jincheng area, South Qinshui basin was measured.

对取自沁水盆地南部晋城地区的煤芯样中的解吸气进行了甲烷碳同位素测定。

During the displacement, the low adsorption methane was always first to be desorbed and the high adsorption CO2 was late to be desorbed. The displacement results under the high pressure is always better than the low pressure.

在置换过程中总是吸附能力弱的甲烷首先解吸，而吸附能力强的二氧化碳最后解吸，而且较高压力下的置换效果总比低压下的好。

Segmented polyester polyurethaneurea based n 4, 4'-disphenylmethane diisocyanate, ethylene diamine and polybutylene adipate elastomers and their deuterated polymers were studied by means of IR spectroscopy.

用红外光谱法对基於4，4'-二苯基甲烷二异氰酸酯、乙二胺和聚己二酸丁二醇酯的嵌段聚酯型聚脲氨酯弹性体及其氘化產物进行了研究。

The diapiric structures display various types such as a turtle-back-like arch, weak piercing, gas chimney, and fracture.

当富含甲烷气体的流体通过底辟构造、断裂及裂隙系统垂向或侧向运移时，在合适的温压条件下形成天然气水合物。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。