structural vacancy

用法例句

The spatial structure feature of heavy metals in agricultural soil of mining city:A case study of Fuxin, China;

典型矿业城市农田土壤重金属含量的空间结构特征——以辽宁省阜新市为例

Analysis on spatial structure characteristics in Xinjiang oases;

新疆绿洲空间结构特征分析

The spatial structure evolution and development conception of Xining city;

西宁城市空间结构演化与发展构想

The results show that the size of molten titanium particles is smaller than that of HA particles, which is mainly caused by the formation of hollow structure due to aggregation of gaseous P2O5 and H2O within molten HA particles.

结果表明,经等离子熔融喷射入水后,钛粒子的尺寸小于HA粒子,主要原因之一是HA内形成了空心结构。

Fe3O4 microspheres with hollow structure were prepared by the glycol solvothermal method using FeCl3-6H2O and NH4Ac as reactants.

以FeCl3-6H2O和NH4Ac为反应物,乙二醇为溶剂热介质,制备了Fe3O4空心结构微球。

In this dissertation, valuable explorations have been carded out onthe synthesis of highly active TiO_2 photocatalysts, the immobilization of TiO_2nanoparticles, the facile preparation of one-dimensional TiO_2 hollow structures andNa-free anatase TiO_2 films with highly photocatalytic activity.

本论文针对TiO_2在实际应用中存在的各种问题，重点在高活性纳米TiO_2光催化剂的制备、纳米TiO_2粒子光催化剂的固载、一维TiO_2空心结构和高活性无钠TiO_2薄膜的简易合成等方面进行了有益的探索，其主要内容如下：第二章，为了制备高活性纳米TiO_2光催化剂，发展了大比表面积锐钛矿TiO_2纳米光催化剂的制备新技术。

Emendation upon spectrum method for space structures with dense mode distribution;

密集振型分布特征空间结构反应谱法修正研究

Study on leisure image space structure of Wuhan city;

武汉市休闲意象空间结构研究

Quick modeling method development for polyhedron-based space structures;

多面体模型的新型空间结构快速建模方法研究

The metallogenic space-time structure of copper-polymetallic deposits in the southern segment of Da Hinggan Mountains,China;

大兴安岭南段铜多金属矿成矿时空结构

The Research on Space-Time Structure and Social Control of Hiv Epidemic in Yunnan Province;

云南艾滋病流行的时空结构及社会控制研究

Philosophers and physicists have made a penetrating analysis about the space-time structure.

本文从时空与物质辨证统一的观点, 在“一切物质均以引力(斥力)作用和电磁力作用为根本的存在形式”这一哲学假定之下, 找出了这个哲学假定所对应的数学规律, 从数学规律的探索中初步讨论了时空结构问题, 得到了某些新的结论。

A Study on Spatial Structure and Function of Urban Open Space

城市开放空间的空间结构与功能分析

The Space Structure of the Tus Village and the Space View of the Tus;

土族村落的空间结构及土族的空间观

International Association for Shell and Spatial Structures

国际薄壳结构与空间结构协会

Composition and spatial working mechanism of spatial beam string structure

张弦空间结构的构成形式与空间工作机理

Constituting Sustainable Spatial Structure Based on Transition of City Industrial Structure

城市产业结构转型与可持续空间结构构建

NEW COMPONENT FACTORS OF REGIONAL SPATIAL STRUCTURE IN INFORMATION ERA;

信息时代区域空间结构构成要素分析

The Spatial Structural Analysis of the Cross-Straits Tourism Zone Construction

关于构建“海峡旅游区”空间结构的分析

On Spatial Variation of Housing Price and Evolution of Residential Space Structure in Shanghai;

上海住宅价格空间分异与居住空间结构演变

Studies on the Spatial Structure and Organization of Urban Residential Spots in Xi an City;

西安市城镇居民点的空间结构与空间组织研究

Researches on Urban Tourism Spatial Structure and Place Planning & Design;

城市旅游空间结构及其空间规划布局研究

Hauling-space Strategy and Reorganization of Industrial Space Structure of China;

牵引空间战略与中国的产业空间结构重组

Attractive Ranges of Cities and Characteristics of the Spatial Structure in Hebei Urban System;

河北省城市空间吸引范围与城市空间结构特征

Spatial Cognition and the Image Space of Beijing s Residents;

北京城市居民的空间感知与意象空间结构

The Evolution of Urban Spatial Structure based on Underground Spatial Development;

以地下空间开发为引导的都市空间结构演化

Study on Urban Spatial Expansion of Xi an from the time-space Structure of Population;

从人口时空间结构看西安城市空间扩展态势

THE ANALYSIS OF SPATIAL PROCESS AND DYNAMIC FACTORS IN THE CHANGING OF URBAN SPATIAL STRUCTURE;

城市空间结构演变的空间过程和动力因子分析

Analysis on Urban Tourism Spacial Flourishment and Structural Evolution;

城市旅游空间成长及其空间结构演变机制分析

Scheme Design of Large-span Steel Structure Truss Structure

大跨度空间钢结构桁架结构设计研究