查询词典 ash

Grit, fly ash, cinder residue, active carbon, air brick detritus were used as filtering media according to proper proportion for low concentration domestic sewage treatment.

选取粗砂、粉煤灰、细煤渣、活性炭和空心砖粉块作为介质，再按适当的比例配成填料处理柱，进行处理低浓度生活污水的研究。

Eurocontrol, an umbrella agency that coordinates air traffic across 38 European countries, said authorities will use satellite images to decide whether to open airspace, and rely less on computer models that indicated the ash cloud had spread over much of Europe.

负责协调38个欧洲国家空中交通的保护组织欧洲航空安全组织称，当局将利用卫星图像决定是否开放领空，并减少对计算机模型的依赖。计算机模型显示烟尘已扩散至大部分欧洲地区。

The direct removal of coal ash by the negative pressure generated by a negative pressure fan,features less investment,simple system,simultaneous carriage and sorting ,and good airtightness,but its stability is poor,and it causes serious wear of pipeline and negative pressure fan as well.

负压取灰是利用负压风机所产生的负压将干灰直接取出的一种取灰方式，具有投资小、系统简单、可以同时实现输送和分选及密闭性好等优点，但是稳定性比较差，对管道和负压风机磨损较为严重。

Other trees which attract notice are: Pinus Massoniana; Cunninghamia Lanceolata; thuya Orientalis; sophora Japonica; Albizzia, Acacia with pink flowers in feathery clusters; Liriodendron or saddle Tree (group of six in front of the Kuling General hospital); Larix or Larch Tree; Fraxinus Sinensis or Ash; Alnus and Gymnocladus Chinesis or Soap Tree.

引人注目的还有马尾松、纯杉木、金钟柏、苦楝、合欢树。一丛一丛的开着粉红色花的槐树、鹅掌楸、马鞍树（牯岭人民医院门前有六簇）、落叶松、白蜡树苷、皂荚树特别引人注目。

Cleveland Volcano, located in the Aleutian Islands southwest of Alaska, failed to produce an eruption and the plume of ash detached from the volcano two hours after it had formed.

克利夫兰火山，定位于阿留申群岛西南的阿拉斯加，已经失效去制作一个喷发和那羽毛状的火山灰分离自火山喷发2小时之后它已经成型。

Compared with coal ash, medical glass had higher contents of SiO2 and alkali metal oxides.

与煤灰成分相比，医用玻璃中的SiO2和碱金属氧化物含量较高。

Compared with coal, the content of both alkali metal and alkaline earth metals in biomass ash was very high.

与煤相比，生物质灰分中碱金属和碱土金属含量很高。

Compared with coal, the content of alkali metals and alkaline earth metals in biomass ash is very high.

与煤相比，生物质灰分中碱金属和碱土金属含量很高。

There is a possibility that alkalinity of ash is related to fiber fineness .

灰分的碱度可能与纤维的细度有关。

There is a possibility that alkalinity of ash is related to fiber f ness.

灰分的碱度可能与纤维的细度有关。

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。