查询词典 noble gas

K, the parent element of 40Arr, has different abundance in coal and argillite, which can be used in analyzing the difference between 40Ar/36Ar values of natural gases produced from coal and argillite, and identifying the main gas source in coal source rocks. In this paper, the forming mechanism of 40Arr and its process of entering into gas pool are discussed, on the basis of which a method for identification of main gas source is developed.

本文系统地讨论了 40Ar的形成机理及其运移进入气藏的过程，利用 40Ar的母体元素 K在煤和煤系泥岩中的丰度差异，分析了以煤和煤系泥岩为母源的天然气 40Ar/36Ar同位素组成上的不同，并利用这种差异对煤系中煤岩或煤系泥岩为源岩的天然气藏的主力源岩进行了判识，继而建立了利用氩同位素组成判识煤系烃源岩主力源岩的方法。

By analysing the hidden dangers of gas-fired boiler room in system of burning,leak of gas and system of steam-water,the paper presents some safety measures considered during designing of blast shelter,gas pipeline,aeration and fire controlling of boiler room,and advanced some prevention measures to realize the safety run.

从燃烧系统、燃气泄漏、汽—水系统三方面分析燃气锅炉房的安全隐患，提出工程设计时在抗爆卸压、燃气管道及通风与消防等方面应考虑的安全措施，并提出了预防锅炉房事故发生的值得注意的问

Along with energy crisis and worsened environment becoming more and more intensively, gas-vehicle receives the unprecedented recognition because of its less emissions, more economical and saving petroleum resource. The research and utilization of gas-vehicle develop quickly all over world. Of course, automotive fuel changing from gasoline and diesel into gas fuel is also carried out blazingly everywhere in our country.

中文题名燃气汽车发动机燃烧特性及工作性能研究副题名外文题名 Study on combustion characteristics and performances of automotive engine by gas fuel 论文作者詹樟松导师夏来庆教授学科专业动力机械及工程研究领域\研究方向学位级别博士学位授予单位浙江大学学位授予日期2001 论文页码总数132页关键词汽车发动机燃气汽车发动机燃烧馆藏号BSLW /2001 /U464 /32 随着能源危机和生态恶化日益严重，燃气（主要指压缩天然气和液化石油气）汽车以其优良的排放、良好的经济性以及能够部分替代紧张的石油资源而受到了空前重视，世界范围内燃气汽车的研究和应用也随之空前高涨。

Nowadays, it is largely used in ironworks and cement plants, etc. If we change its spray gas with nitrogen, improve inlet gas of cleaning tube and bleeder value; it can be fit for gas cleaning in steel-making firms and ironworks.

假如将其中的喷吹气源改成氮气，并将除尘筒内的进气、出料阀进行适当改造，该系统完全可用于炼钢、钢铁厂的煤气除尘，因此本系统具有很广的应用范围。

On the basis of slip-diffusion model of multiphase flow, a three-dimensional mathematical model of gas-particle flow in blowpipe has been developed and debugged to calculate the gas-solid two phases flow, including gas velocity and particle velocity inside the blowpipe.

运用多相流的拟流体模型建立了高炉局部富氧喷煤直吹管内气粉两相流动的数学模型，对气粉两相流场进行了数值研究，探讨了气相和煤粉的速度分布规律及其影响因素，其中包括氧-煤喷枪的结构、漩流数和富氧率等。

The coal gas dry process desulphurization technology application early, most early applies in the coal gas dry process desulphurization technology is take the bog ore as the sweetening agent ferric oxide desulphurization technology, afterwards, studies successful and the production cost along with the coal gas desulphurization activated charcoal reduces relatively, the activated charcoal desulphurization technology also starts widely to apply.

煤气干法脱硫技术应用较早，最早应用于煤气的干法脱硫技术是以沼铁矿为脱硫剂的氧化铁脱硫技术，之后，随着煤气脱硫活性炭的研究成功及其生产成本的相对降低，活性炭脱硫技术也开始被广泛应用。

After this project completes, both undertakes is receiving the upstream to be mad that with to user's and so on natural gas power plant high pressures makes an honest deposition the duty, and can, in loyal Wu Xian, Huai Wu Xian and transport the natural gas from the west to the east two and so on 4 brake pipe complete breakdowns stop in the extreme case which was mad, realizes a level accident to safeguard, becomes the important spare gas storehouse resources.

该工程建成后，既承担着接收上游来气和对天然气电厂等用户的高压直供任务，又能在忠武线、淮武线和西气东输二线等4条输气管线全部故障停气的极端情况下，实现A级事故保障，成为重要的备用气库资源。

Hence, based on deep analysis and research, the new type gas treatment series facilities are developed, which are composed of multiple bunker gas separators, Foehn wind ventilation shaft, universal wind deflector, brattice and two-way air regulator. As a result, a new way of gas treatment has been developed for the coal preparation plant.

为此，通过深入分析，研究开发了一种新型瓦斯治理系列装置，该装置构造设施由若干个煤仓瓦斯分离器、檒风通风塔、万向导风器、风幛和双向风窗组成，为选煤厂的瓦斯治理开辟了一条新途径。

On the basis of the pressure correcting method about the measurement of bubble size distribution a photoelectrical capillary probe technique with a micro-computer on line was successfully used to study in detail the effects of various operating parameters such as gas rate, feed rate, feed concentration, NaCl concentration in solution, gas bubbler and gas bubbling state on bubble and foam bubble size distributions in foam fractionation column.

在已建立的光电毛细探头技术测定气泡尺寸分布的压力校正方法基础上，应用光电毛细探头微机在线测量方法，研究了各种操作参数，如气体流速、进料量、进料浓度、溶液中NaCl浓度、气体分布器以及布气状态等，对泡沫分离塔内气泡和泡沫气泡尺寸与分布的影响。

Considering the interaction of practical gas, using the canonical distribution and statistical interpretation of gas pressure, this paper derives a pressure formula of practical gas directly.

考虑到实际气体分子之间的相互作用，利用正则分布，按照气体压强的统计解释，得到了实际气体的压强方程。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"