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The catalytic behavior of sodium carbonate was analyzed and discussed in terms of structure component of wood.

根据木材的结构成分对碳酸钠的催化行为进行了分析。

This paper presents the structure and working principles of a mixing-carbonating-filling machine for carbonated beverage, and discusses the design and computation of Venturi carbonation assembly.

介绍了碳酸饮料配比混合灌装机的工作原理与结构，并讨论了文丘里碳酸化装置的设计计算。

This paper presents the structure and working principles of a mixing-carbonating- fill ing machine for carbonated beverage, and discusses the design and computation of Venturi carbonation assembly.

介绍了碳酸饮料配比混合灌装机的工作原理与结构，并讨论了文丘里碳酸化装置的设计计算。

The carbonation of concrete is one of the main factors which effect the durability of concrete structure.

混凝土碳化是影响钢筋混凝土结构耐久性的重要因素之一。

The pore structure of fly ash also plays an important role in determine the carbonation of CaO.

飞灰碳酸化的实验结果表明，高的CO2浓度是会加速CaO的碳酸化反应，得到更高的转化率。但是，这种影响随着温度的降低而减弱。

The Early Carboniferous volcanic apparatus is an important metallogenetic structure for formation of gold deposit in the Western Tianshan.

摘 要：新疆西天山地区的早石炭世古火山机构是形成金矿床的重要构造。

Concrete carbonization is one of the main reasons affecting structure durability of the concrete.

混凝土碳化是影响混凝土结构耐久性的重要因素之一。

The effects of operating condition of carbonization on structure and properties of carbon aerogels are investigated by orthogonal experiment.

采用正交试验方法重点考察了炭化工艺条件对炭气凝胶结构和性能的影响。

The changes of structure and property of polyimide film were studied at high carbonization temperature in N2 atmosphere.

研究了在氮气流保护下，聚酰亚胺薄膜在高温炭化过程中结构和性能的变化规律。

However, it is difficult to manufacture the large size carbonization tower because of its special structure.

但由于其中的主要设备碳酸化塔结构大型化困难，多年来只在小型厂中采用，发展不快。

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。