Theoriginal vversion of this article unfortunately contained a mistakee.The institution number of the author Huang-ming CAO was incorrect.The corrected one is Huang-ming CAO^(3).
针对传统瓦斯多级监管系统存在的不足,研究了基于ArcGIS Server Java ADF和JSF框架下的网络地理信息关键技术,构建了ArcGIS server API和Java ADF两种技术集成的开发方案,设计了基于元数据的属性数据分布式存储和空间数据集中部署的数...针对传统瓦斯多级监管系统存在的不足,研究了基于ArcGIS Server Java ADF和JSF框架下的网络地理信息关键技术,构建了ArcGIS server API和Java ADF两种技术集成的开发方案,设计了基于元数据的属性数据分布式存储和空间数据集中部署的数据库存储方案,实现了B/S结构中的浏览器端与服务器端的瓦斯多级监管系统。展开更多
Sillimanite, kyanite and andalusite are advantageous natural refractory raw materials for aluminosilicate refractories to attain improved key properties. This paper are divided into two parts to introduce their resour...Sillimanite, kyanite and andalusite are advantageous natural refractory raw materials for aluminosilicate refractories to attain improved key properties. This paper are divided into two parts to introduce their resource and technical characteristic in the first part, and their applications in refractories in the second part to be succeeded . In this part, based on authors ' knowledge and sources , information on their reserve, distribution, composition and characteristic is provided , to bring it to light that China is rich in the reserve of them , in particular andalusite. The sillimanite group minerals are characterized by their phase transformation to form primary mullite and secondary mullite when added in high alumina system , accompanied by volume expansion , which can be taken use to improve creep resistances and thermal shock resistance of the related refractories.展开更多
针对目前电力系统电压、电流畸变,当前电能质量检测技术的现状及传统仪器测试系统存在的问题,开发一种基于虚拟仪器技术的非正弦电能检测系统;非正弦电能检测系统的远程控制,设计采用了基于网络通信的LabVIEW Web Server远程监控技术。...针对目前电力系统电压、电流畸变,当前电能质量检测技术的现状及传统仪器测试系统存在的问题,开发一种基于虚拟仪器技术的非正弦电能检测系统;非正弦电能检测系统的远程控制,设计采用了基于网络通信的LabVIEW Web Server远程监控技术。介绍了非正弦电能检测系统的总体结构和软件结构、LabVIEW Web Server通信技术,叙述了分布式大型非正弦电能测控系统及LabVIEW Web Server通信技术在远程测控系统中的应用。展开更多
This year China celebrates the 90th anniversary of the founding of the COMMUNIST PARTY OF CHINA(CPC).Beginning this issue,CHINAFRICA will use this occasion to publish a series of reports and insights on the CPC and it...This year China celebrates the 90th anniversary of the founding of the COMMUNIST PARTY OF CHINA(CPC).Beginning this issue,CHINAFRICA will use this occasion to publish a series of reports and insights on the CPC and its members,to help unravel some of the mysteries surrounding the ruling party of the world’s most populous nation展开更多
文摘Theoriginal vversion of this article unfortunately contained a mistakee.The institution number of the author Huang-ming CAO was incorrect.The corrected one is Huang-ming CAO^(3).
文摘针对传统瓦斯多级监管系统存在的不足,研究了基于ArcGIS Server Java ADF和JSF框架下的网络地理信息关键技术,构建了ArcGIS server API和Java ADF两种技术集成的开发方案,设计了基于元数据的属性数据分布式存储和空间数据集中部署的数据库存储方案,实现了B/S结构中的浏览器端与服务器端的瓦斯多级监管系统。
文摘Sillimanite, kyanite and andalusite are advantageous natural refractory raw materials for aluminosilicate refractories to attain improved key properties. This paper are divided into two parts to introduce their resource and technical characteristic in the first part, and their applications in refractories in the second part to be succeeded . In this part, based on authors ' knowledge and sources , information on their reserve, distribution, composition and characteristic is provided , to bring it to light that China is rich in the reserve of them , in particular andalusite. The sillimanite group minerals are characterized by their phase transformation to form primary mullite and secondary mullite when added in high alumina system , accompanied by volume expansion , which can be taken use to improve creep resistances and thermal shock resistance of the related refractories.
文摘针对目前电力系统电压、电流畸变,当前电能质量检测技术的现状及传统仪器测试系统存在的问题,开发一种基于虚拟仪器技术的非正弦电能检测系统;非正弦电能检测系统的远程控制,设计采用了基于网络通信的LabVIEW Web Server远程监控技术。介绍了非正弦电能检测系统的总体结构和软件结构、LabVIEW Web Server通信技术,叙述了分布式大型非正弦电能测控系统及LabVIEW Web Server通信技术在远程测控系统中的应用。
文摘This year China celebrates the 90th anniversary of the founding of the COMMUNIST PARTY OF CHINA(CPC).Beginning this issue,CHINAFRICA will use this occasion to publish a series of reports and insights on the CPC and its members,to help unravel some of the mysteries surrounding the ruling party of the world’s most populous nation
