查询词典 air column

In wind instruments the sound is produced by a vibrating air column.

管乐器的声音是由振动的气柱产生的。

Device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone .

黄铜的管乐器中改变空气柱的长度来变化音调的装置。

A device in a brass wind instrument that permits change in pitch by a rapid varying of the air column in a tube.

活瓣在铜管乐器中通过在管中迅速改变气流而完成音调的改变的一种装置。

The law that the blasting effect varies with the length of bottom air column is analysed.

结果表明，底部空气柱长度与装药深度之比为0.4～0.8时，爆破效果最佳，爆破体积比传统的装药结构增大45％～55％，显著提高了炸药能量有效利用率。

The blasting effect of bottom air column charge is studied through a series of crater tests on cement mortar models.

本文通过水泥砂浆模型上的一系列爆破漏斗试验，研究底部空气柱装药的爆破效果，分析了底部空气柱长度变化对爆破作用的影响规律。

Although there is 34,500 tons of gaseous nitrogen in the air column above each acre of the earth's surface, this cannot be used by plants until it has been fixed by nitrogen-fixing bacteria and algae.

虽然在地球表面每英亩空气柱中有34，500吨气态氮，但是如果这些气态氮不被固氮菌和藻类固定，是不能被植物利用的。

Then, in the view of short-range weather forecast, water vapor fields in each typical process have been analyzed. The results indicate that there is significant increasing in the air column precipitable water over snow ranges when the snow is coming, snowy regions are in well agreement with the convergence regions of water vapor fluxes.

然后，利用国家气象中心T106L19全球模式的分析值格点资料等，分析各型下典型个例过程的水汽场情况，得到高原东部牧区强降雪天气前有气柱可降水量的明显增长，强降雪区与强水汽辐合区相对应，造成冬春季高原东部牧区强降雪天气的水汽主要来自孟加拉湾地区的结论。

If, therefore, the casing has an opening , as at DD, to allow the air to escape and the center or inlet of the fan is connected to the upcast shaft by means of a fan drift, air will be sucked up the upcast shaft and discharged into the atmosphere at the oulet,O.⑨Thus the upcast air column is rare fied or rendered less dense than that in the downcast shaft.

因此，如果套管有开放的，因为在房屋署副署长，让空气逃脱中心或进气道的风扇连接到upcast轴通过一个风扇漂移，空气将被吸了upcast轴和排放到大气中，在oulet ，澳⑨因此upcast空栏是罕见然后将该或使其密度较低，比在downcast轴。

The area senior official's harbors the filled with anger just overtook " the star tyrant " the interspace fleet, saw only that Moon crater the peak crater, the sudden thick smoke billowing made a debut concurrently a dazzling glare, while the people hesitated surprised the moment, the following closely had the earthshaking large explosion, on Moon's this quiet hundred million year death volcano erupted once more, was bringing the innumerable robot body and the crag dark colored air column continuously flushes several ten thousand meters upper airs, Lian Heiqu senior official black Germany graceful driving flight vehicle 1, all had felt the fierce gas swayed with the instantaneous shock-wave.

黒区长官怀着满腔的怒火刚刚追上"星霸"的星际舰队，只见那座月球环形山的顶端火山口，突然浓烟滚滚并发出道道耀眼的强光，正当人们惊讶犹豫的片刻，紧接着就发生了惊天动地的大爆炸，月球的这座沉寂上亿年的死火山再次喷发了，带着无数机器人躯体和岩石碎块的暗黑色气柱一直冲到了几万米的高空，连黑区长官黑德曼驾驶的飞行器1号，都感到了剧烈气体摇晃和瞬间冲击波。

A part of NAPL-phase pollutant was oxidized during Fenton-like oxidation, However H2O2 was catalyzed to produce O2, an produced air sparging effect. The soil was disturbed, which increasing NAPL dissolution and volatilization. When using the low H2O2 flux to pass through column, the oxidation of MTBE and TPH of 95 gasoline is better than that of high H2O2 flux.

在管柱连续流Fenton-like反应处理95汽油NAPL过程中，NAPL态污染物部份是被氧化，但H2O2被催化产生之O2 扰动NAPL态污染物，因而增加溶出浓度并产生类似air sparging之去除效果。

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。