查询词典 fume

The gas flow field on the top of the discharged tube of cylindrical three phase cyclone with a vaned inlet and a direct current outlet which separates dusty droplet from the fume of boiler is measured with five hole probe.

使用五孔球探针对一种用于分离锅炉净化烟气中含尘液滴的直筒型导叶直流式三相旋流器排气管上部的气相流场进行了实验测定。

Fly ash and slag can increase the resistance of concrete to chlorid e ion penetration,and silica fume,metakaolin,rice husk ash and some content s lag can increase significantly the resistance of concrete to chloride ion penetr ation.

粉煤灰和矿渣能提高混凝土的抗氯离子渗透扩散能力，硅粉、偏高岭土、稻壳灰和适当掺量的矿渣能大幅度提高混凝土的抗氯离子渗透扩散能力。

The flexural strength of concrete by enveloping silica fume and admixing admixture on aggregate can be increased by 10%, brittleness coefficient can be decreased by 35% and abrasion resistance can be enhanced above 15%.

抗折强度比双掺硅灰、粉煤灰的高强混凝土提高 1 0 %左右，脆度系数降低 3 5%，耐磨性提高 1 5%以上。

The paper reviews the experimental results of chloride permeability of reinforced concrete cover based on ASTM C1202,and states that the resistance of ordinary marine concrete against chloride penetration is poor and the performance of concrete against chloride penetration can be remarkably improved by admixing with silica fume .

描述了按A STM C 1202方法试验研究保护层混凝土的氯离子渗透性能，指出以往普通港工混凝土的抗氯离子渗透性能较低，而掺入硅灰能显著提高混凝土的抗氯离子渗透性能。

The chemical composition of silica fume is SiO2, a inert substance which will not react with most acids and alkalis.

硅微粉的化学成份为（SiO2）属于惰性物质，与大部分酸、碱不起化学反应。

Drowsed with the fume of poppies, while thy hook

你酣睡在收割一半的田野上

"Or on a half-reap'd furrow sound asleep, Drowsed with the fume of poppies, while thy hook Spares the next swath and all its twine d flowers:"

有时候，为罂粟花香所沉迷，你倒卧在收割一半的田垄，让镰刀歇在下一畦的花旁

All I get is the white noise of refrigerators or fume hoods.

我只能听到冰箱和排风机发出的白噪声。

Apart from workplace noise, workers are also exposed to dust and fume from the laminating and coating processes.

除了工作场所的噪音，工人也暴露在胶合及油漆工序的灰尘和油烟中。

The main armament is a 120mm rifled gun, with no muzzle break or fume extractor.

装备主要的装备是一门120 mm火炮，没有采用炮口制退器或抽烟装置。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。