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The factors like temperature, kinds and content of adulterant, in SrCeO_3 basis high temperature proton conductor preparation whose construction and performance was influenced, were studied.

利用紫外可见光谱、红外光谱和拉曼光谱研究了SrCeO_3基系列高温质子导体的结构及性能随掺杂种类、掺杂量、烧结及不同气氛下的变化，佐证了掺杂SrCeO_3体系质子导体的形成机理。

By utilizing Ultraviolet Visible spectroscope, Infrared and Raman spectroscope, the influences of kinds and content of adulterant, calcining technique and different atmosphere on the construction and performance of the SrCeO_3 basis proton conductor was also studied.

采用交流阻抗技术研究了SrCeO_3基系列高温质子导体在不同气氛下(干燥空气、氢气氛、水蒸汽气氛等)的导电性能。研究了高温质子导体器件中不同电极的制备工艺及其性能的影响。

Effect of different kind of hormone and its combination on adventitious shoot formation, plant regeneration and root regeneration was studied.

研究了不同激素及其组合对叶片不定芽发生、壮苗和生根的效应。

The factors influencing the formation of adventitious buds were studied by means oforthogonal design.

用正交设计法对影响桑子叶不定芽形成的诸因素进行了比较研究。

The aeolian soil studied in this article is different with other local earth constitutive properties obviously.

本文研究的风积土与其它地区土的结构性明显不同。

We studied the effect of particle impacting-angle on development of aeolian ripple s using numerical simulation method.

采用数值模拟的方法研究了沙粒冲击角对风成沙纹形成过程及其形态特征的影响。

In this paper, the problems mentioned above are studied by both wind tunnel experiment and numerical simulation to improve the knowledge about aeolian grain transport, and impel the development of this subject.

因此，本文通过风洞实验和数值模拟对以上问题加以深入研究，以深化对风成地表颗粒物输运规律的认识，推进学科的发展。

From the aeolotropy of hard rock of tunnel engineering region, the stress distribution of several kinds of fault to the water gushing of tunnel, the type of geology disaster involved in macrocharacter, main control factors, disaster mechanism and control strategy in tunnel excavating are studied systematically in this thesis. The purpose is to establish a theory and technology method for forecast and decrease disaster in tunnel excavating.

本文以硬岩隧道开挖工程区域岩体的各向异性研究为起点，从不同类型断层为主要构造形迹的应力分布特征出发，并结合隧道地下涌水灾害，系统研究隧道开挖的地质灾害类型，以宏观表象、主控因素、灾害机制及防治对策为主要研究内容，全面深入研究旨在为隧道开挖期间防灾、减灾提供理论基础与技术路线。

Geological condition is the important factors in study on tunnel excavating disaster inevitably. From the aeolotropy of hard rock of tunnel engineering region, the stress distribution of several kinds of fault to the water gushing of tunnel, the type of geology disaster involved in macrocharacter, main control factors, disaster mechanism and control strategy in tunnel excavating are studied systematically in this thesis.

中文题名隧道开挖地质灾害规律与防治对策研究副题名外文题名 Study on tunnel excavating geology disaster regular and control trategy 论文作者杜炜平导师古德生院士学科专业岩土工程研究领域\研究方向学位级别博士学位授予单位中南大学学位授予日期2001 论文页码总数108页关键词隧道工程地质灾害岩爆馆藏号BSLW /2003 /U45 /1 隧道开挖灾害研究必然以地质因素为其主要研究对象。

Effects of temperature, turbidity and pH on oxygen transition in aerated water under different conditions were studied.

通过对不同条件下水体的曝气增氧实验，研究了温度、浊度以及 pH 对曝气水体中氧传质的影响。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。