查询词典 pipes

One is acid rain , which is created by the millions of tones of sulphur dioxide and nitrogen oxides spewed out of North American smokestacks and automobile exhaust pipes.

其一是酸雨，它是由二氧化硫和氮氧化物产生的数百万吨2250北美烟囱和汽车尾气混合氧化物出。

The idea of analysing or synthesising small quantities of chemicals in a chip-sized apparatus is not new, but labs on chips have conventionally relied on systems of tiny pipes etched into them to move the chemicals around.

在芯片大小的仪器上对少量的化学物质进行分析或人工合成这一概念并不算新，但是传统的片上实验室所依赖的系统是通过细微的蚀刻通道来导引化学物质的移动的。

The idea of analysing or synthesising small quantities of chemicals in a chip-sized apparatus is not new, but labs on chips have conventionally relied on systems of tiny pipes etched into them to move the chemicals around.

在一个芯片大小的设备上分析、合成少量化学物质的想法并不新鲜，但芯片上的实验室仍旧依靠蚀刻在芯片上细小的管道系统输送化学物质。

Based on the integration of the results of acoustic andfluid dynamic analysis, this paper points out that synthetical acoustic and fluiddynamic performance of muffler can be obtained by using square expansion chamber,by stringing together several podgy expansion chambers, by applying noise absorbingmaterial on chamber walls, by making chambers and pipers co-axial, by adding filletson the end of intruding pipes, and by making the diameter of outlet pipe a little greaterthan the diameter of the inlet pipe.

通过综合流体力学和声学有限元两方面的分析的结果，指出了采用方形扩张腔，采用多个短粗扩张腔串联，扩张腔壁面附吸声材料，使各管道同轴，在插入管端口加上圆角，并且令出口插入管管径略微大于入口插入管管径可以使消声结构获得最佳的声学和流体力学综合性能。

They are designed to be operated with pipes up to and including Schedule 80 wall thicknesses.

这种阀门设计用于带管道操作，并且适用于Schedule 80厚度的管道。

The basic thoughts of applying genetic algorithms in pipe network design is: concerning the objectives of pipe diameter, defining the costs of pipe network as objective function, and considering hydraulic situation(continuous equation and cycle equation of the crossover of pipe network), velocity of flow of pipes as restraining elements, this thesis carries out the optimal calculation on the design of pipe network.

运用遗传算法进行管网优化设计的基本思路是：将管网管径作为求解对象，以管网造价为目标函数，以水力条件（管网节点连续方程和环方程）、管段流速作为约束条件进行优化计算。

In the process of compressed air transport,there is more energy loss if the pipes designed are unreasonable.

压缩空气的输送中，如果管道的设计不合理，必然引起空气在输送过程中的能量损失。

The most distinctive feature of the system is use of simple and inexpensive two-phase closed thermosyphon as the primary heat pipes.

为验证其原理上的可行性，作者分别进行了单管和配机的实验研究，并对多种制造工艺进行了摸索。

To cope with an increase in demand, the company is bolstering its production capacity of seamless steel pipes, which are used in oil and gas drilling and public works projects, and other steel products through the launch of the new blast furnace at its Wakayama plant.

为了应付增加的需求，该公司正加强其生产能力无缝钢管，其中用于石油和天然气钻探和公共工程项目，和其他钢铁产品通过推出新的高炉在和歌山工厂。

The terracotta and stone floor is inspired by the palace at rampur in varanasi and is cooled by embedded pipes.

展馆的陶瓦和地砖借鉴了瓦腊纳西的一座宫殿的设计风格，通过内置的水管来冷却。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。