查询词典 fume

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 effectiveness of the composites of natural zeolite and fly ash, ground blast furnace slag and silica fume respectively on suppressing the expansion due to ASR was studied.

研究了天然沸石与粉煤灰、矿渣、硅灰的复合对ASR膨胀的抑制效果，并且进一步研究了矿物质掺合料抑制ASR的机理。

In recent years, various mineral admixtures such as fly ash, blast furnace slag, silica fume along with superplasticizers have been used to produce concrete with high strength and durability.

近年来，人们采用低水胶比，掺加粉煤灰、磨细矿渣和硅灰等矿物掺合料和高效减水剂的方法配制高强混凝土，但对高强混凝土的体积稳定性缺乏系统的研究，在工程实践中高强混凝土的收缩开裂问题也显得比较突出。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。