查询词典 tris nitro-methane

The electron-drift velocity was measured as the function of the reduced electric field for 8 different ratios of argon-methane mixtures.

测量了电子在8种混合比例的Ar+CH4气体中漂移速率随约化场强的变化曲线。

In the process, we are once again adding to the threat of global warming, be-cause methane has been one of the fastest-growing green-house gases, and is third only to carbon dioxide and water vapor in total volume, changing the chemistry of the upper atmosphere.

我们的这种行为更进一步地增加了地球变暖的危险，因为甲烷是一种形成速度极快韵温室效应气体，它在大气中的总含量仅次于二氧化碳和水蒸气，使高空大气层的化学成分都发生了变化。

Methane is a characteristic gas dissolved in transformer oil, which can be used in the early transformer fault diagnosis.

甲烷(CH4)是变压器油中溶解的一种可用于变压器早期故障诊断的特征气体。

The research coal tar surface active position spot is studies the coal tar and the methane action mechanism foundation.

研究煤焦表面的活性位点是研究煤焦与甲烷作用机理的基础。

Bull; Methane gas feeding panel complete with flowmeter with adjusting tap and pressure gauge.

甲烷气输出板配有能调节活栓及压力表的流量计

In the case of growth on the ploycrystalline diamond substrates under high methane concentration condition, diamond nano-platelets consisting of many smaller tabular crystallites with various shapes but with the same facets, such as trapezoid and parallelogram, appear in terrace and step structure on tabular surface.

在高甲烷浓度条件，多晶钻石基材上成长的奈米平板钻石，其外形结构是由各种形状(近似於梯形及平行四边形)的小平板组合而成，并且这些小平板会在平板钻石表面形成平台及台阶的结构。

diffusion ; gas separation ; membrane materials ; methane steam reforming/metal dispersed microporous membrane ; hydrogen selective permeation ; sol-gel process ; membrane reactor

大连理工大学；日本国九州大学；日本国九州大学扩散；气体分离；膜材料；甲烷蒸汽转化法/金属分散多孔膜；氢选择渗透；溶胶-凝胶法；膜反应器

The result showed that the prepared catalyst can be used for naphtha feed at a steam/carbon mole ratio of 1.5～2.5, a inlet temperature of 350～450 ℃, a pressure of 2.0～5.0 MPa and a space velocity of 4.0 h -1 to produce a methane content of 60～65v% gas.

结果表明，该催化剂适于以轻油为原料，在水碳摩尔比 1 。5～ 2 。5、入口温度 350～ 450℃、压力 2 。0～ 5.0MPa和空速 4.0h- 1 的条件下，生成含甲烷为 60 %～ 65%的富甲烷气。

The new method integrated the processes of methane/steam reforming and coal combustion.

新方法将天然气/水蒸汽重整反应过程和煤燃烧过程整合起来，通过两个化学反应过程的耦合，发挥了天然气和煤的各自特点，实现了天然气和煤的高效清洁利用。

A stable kHz spark discharge plasma was used for high-efficiency conversion of methane to hydrogen and acetylene at atmospheric pressure in this study.

本论文利用稳定的大气压kHz火花放电等离子体，开展了甲烷直接转化制氢及乙炔的研究。

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。