查询词典 tris nitro-methane

This circulation made energy and material used reasonably and basically, increased output, reduced waste disposal and improves economical benefits.The comparison and analysis on economical benefits of "four-in-one" model household who use standard draft and Ordinary greenhouse big awning household who do not use standard draft showed that after using standard draft, The methane-generating pit, the hog house and the greenhouse were integrated in together, farmers income significantly increased and economic evaluation indicator improved too.

这样的循环关系使能量和物质基本都得到了合理利用，增加了产出，减少了废物的排放，提高了经济效益。7、对采用标准草案的&四位一体&农户和未采用标准草案的普通大棚农户的经济效益比较分析显示，采用标准(来源：bf0fAf0BC论文网www.abclunwen.com)草案的用户农户收入显著提高，经济效益评价指标亦有所改善。

By the experimental bench of bluff body flame and under different working orders,the speed in blowing out the flame of methane premixing gas with vapour is measured.

利用钝体稳定火焰实验台，在不同工况下，测量了含水蒸汽的甲烷预混气的火焰吹熄速度。

Under the right circumstances methane can play a key role in prebiotic chemistry -- the chemical reactions considered necessary to form life as we know it.

在合适的条件下，甲烷在生命前化学中起着关键作用，——被认为是形成生命的必要条件的化学反应。

Under the right circumstances methane can play a key role in "prebiotic" chemistry the reactions considered necessary to form carbon-based life.

在适当环境中，甲烷可以在&生命起源前&的反应中扮演关键角色，人们认为，此类化学反应是形成碳基生命的必要步骤。

In 1L semi-continuous tank reactor,researches the effects of sodium dodecylsulfate,potassium oxalate,mixture of sodium dodecylsulfate and potassium oxalate on formation process of methane hydrate .

在1L的半连续搅拌槽式反应器中，研究了添加剂十二烷基硫酸钠、草酸钾和草酸钾与十二烷基硫酸钠复合对甲烷水合物生成过程的影响。

The scattering of phonons as main factors influencing the thermal conductivity were analyzed theoretically. The effects of methane concentration and the structure of diamond films were studied.

首先，我们分析了声子的散射是造成金刚石膜热导率降低的主要因素，研究了在不同的制备方法下碳源气体和金刚石结构对其热导率的影响。

This stoichiometric mixture represents the precise amount of air needed to completely burn one mole of methane. If more air is supplied than required for stoichiometric combustion, the mixture is termed lean and oxidising.

这个最佳混合比率表征了1摩尔甲烷充分完全燃烧需要的空气量，如果进入的空气量超过所需空气，称为稀薄燃烧。

The used ionic liquids can be regenerated by rotary evaporation or re-extraction using tetrachloro-methane.

BPyBF4对模型化合物单程脱硫率达到45.5%，可以有效地脱除汽油中的含硫化合物，使用过的离子液体可以通过真空加热或用四氯化碳反萃取再生。

The kinetics model was gotten based on the alkyl mechanism, light olefins re-absorption and re-reaction. The kinetics experiment is carried out over the selected Fe-Mn-K catalyst, and the kinetics model parameters is got base on the kinetics experiment data. The parameters explain the reaction results that the carbon monoxide content is high, the methane content is the biggest of the hydrocarbon products and the olefin content is bigger than the corresponding alkenes content.

本文同时对该反应的反应机理和动力学进行了研究，以烷基机理为基础，建立了考虑烯烃再吸附和二次反应的动力学模型，并在选定的催化剂上进行了相应的动力学实验，结合动力学实验数据计算得到了相应的动力学模型参数，模型参数值解释了反应产物中CO的含量较高，以及烃类产物中CH4含量最高和烯烃含量大于相应的烷烃含量。

This is the first time to get a well-resolved vibrational spectrum in the VUV/XUVregion of methane.

在CH4的三次谐波光谱中我们观察到了分子激发态的振动结构，这是第次在CH4分子的VUV/XUV波段获得高分辨的振动光谱。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。