查询词典 ash

Group of professionals engaged in international timber trade, as well as production and processing, operation of timber including: North America, spruce, hemlock, broker wood, Douglas fir, the Russian red pine, larch, oak, Manchurian ash, New Zealand and Southeast Asia and other related pine species, supply and marketing integration is now forming the middle group.

集团专业从事国际木材贸易以及生产加工，经营木材包括：北美云杉、铁杉、侩木、花旗松、俄罗斯红松、落叶松、柞木、水曲柳，新西兰松以及东南亚等相关树种，现已形成产供销一体化集团企业。

Hardwoods such as hickory, oak and ash also burn well.

如胡桃树、橡树和桉树等硬木都是很好的燃料。

Hardwoods such as hickory , oak and ash also burn well.

像山胡桃木、橡树和白蜡树这样的硬木也可以。

The resistivity of concrete using fly ash with high content of iron oxide has lower resistivity.

在具体使用的氧化铁含量高的粉煤灰电阻具有较低的电阻率。

The conclusions report that the volumetric design method can be used in designing of proportion of semi-rigid base course materials including cement fly-ash stabilized hoggin.

认为体积法完全可以进行包括水泥粉煤灰稳定碎石在内的半刚性路面基层材料的配合比设计。

It has reported that the lime might reject the hydration of cement and reduce the material's strength. So, the replacing all lime with cement has been carried out, which is called cement fly-ash stabilized hoggin.

但目前对于该种材料的研究还不够充分、系统，缺乏有针对性的技术标准与规范，因此严重制约了该种材料的推广与应用。

Concerning with the problems about the application of cement hoggin and two-ash hoggin used as roadbase material indoor, this paper carried out the plan of using cement FA-bound hoggin as roadbase and studied its preparation and properties.

针对目前我国广泛采用的水泥稳定类材料与二灰稳定类材料在高等级公路基层建设中存在的问题，提出采用水泥粉煤灰稳定碎石修筑路面基层。

The conclusion discovers that the content of SO3 in cement can attain 5% in cement fly-ash stabilized hoggin and explains the mechanics using the theory of improving the gelatinization and aperture structure.

认为在水泥粉煤灰稳定碎石材料中，不使材料结构破坏和性能变坏的最大SO3含量可以达到5%，并通过胶凝性以及孔结构的改善予以解释。

But compared with cement stabilized hoggin, its modulus of resilience has reduced by 16%, which is good at improving the material's crack resistance.This manuscript studies the volumetric design method and ensures the compacting density is the best designing parameter. Than, this manuscript designs the proportion of cement fly-ash stabilized hoggin and examine its feasibility.

同时，本文还通过试验研究了体积设计方法，并确定采用集料的捣实密度作为设计参数，对水泥粉煤灰稳定碎石材料进行了配合比设计并进行了强度验证。

At the same time, pollen from the plants that megafauna munched on—ash, ironwood and hop hornbeam—starts piling up, suggesting the plants' growth was no longer being kept in check by leaf-loving large mammals.

与此同时，大型动物所食的植物——如木岑、铁木和跳角树——的花粉开始增加，表明植物的生长不再被大型草食性动物所抑制。

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。