PetroChina Inks Bio-Fuel Deal with the State Forestry Administration

11 January 2007, Beijing - PetroChina Company Limited （PetroChina） signed a framework agreement with the State Forestry Administration （SFA） on the development of forest bin-fuel and officially kicked off the construction of the first batch of forest bio-fuel tree breeding bases in Yunnan and Sichuan, marking a substantial step forward in the cooperation of forest bio-fuel development between the two parties.     

PPT 2007三维图形秀

有人说,用PPT做课件不够绚,我说不,比如PPT2007里就有非常多的三维图形,配上动画,效果绝对震撼!对,无需动用3DMax,直接用PPT完成。5秒钟制作三维图形在2007中我们可以对所有插入的素材做三维效果(以形状为例)。先介绍一个简单的方法:进入"插入→形状",     

Brief Introduction to National Technical Committee 54 on Foundry Standardization Administration of China

National Technical Committee 54 on Foundry Standardization Administration of China (SAC/TC54) is a national standardization body on foundry.     

China Holds Exercises of Oil Spills Emergency Control

Chinese emergency services carried out their largest ever exercise in early June to tackle an oil spill in the Bohai Sea to test their ability to protect the ocean environment. The drill involved a scenario in which a 10,000-ton oil tanker exploded and spilt 500 tons of oil. Soon after the oil tanker Tianpeng ＂exploded＂, a fireboat arrived to fight the fire and a helicopter hovered above to spread chemicals to control oil spill, followed by more vessels and another helicopter.     

China to Ban Unlicensed Production of Cakes and Moon Cakes Next Year

On August 29th, Pu Changcheng, Deputy Director of AQSIQ, addressing a national press conference on cake and moon cake quality safety market access, reported that as of the end of July 2007, 761cake and moon cake enterprises had gained market access qualifications and had obtained food production licenses.     

Implement Obligations Seriously, Enjoy Rights Fully Make Active Countermeasure to the Barrier of Foreign Technology Trade

December 11th, 2006 is the fifth anniversary of China's entry into WTO. Over the past five years, what AQSIQ has done in implementing the obligations and enjoying the rights as a member of WTO? How's the performance? Facing with the current complicated barrier of technology trade worldwide, how will China reply to it? For these questions, reporters have made a special interview with Li Changjiang, Minister of AQSIQ.     

强度级别X70大直径钢管用厚板钢材的生产

亚速钢公司生产名牌品种和尺寸品种众多的K52到K60强度级别大直径天然气输送管用厚板钢材，供给乌克兰和俄罗斯企业一哈尔崔兹斯克钢管厂、维克苏钢铁厂、伏尔加钢管厂和其它厂，而同时强度级别从X42到X70，主要提供给国外远方的用户一印度、墨西哥、土耳其、东南亚。     

logy, Fujian Agricul

2Many Cucurbitaceae plants were known to be Chinese medicine herbs and contain ribosome-inactivating proteins (RIP), a group of toxic proteins that have been proposed and demonstrated to play potential use as toxins in the therapy of a variety of human tumors and viruses inc     

Press Releases for GIFA/METFC/THERMPOCESS/NEWCAST 2007

Nomen est omen: Under the motto "The Bright World of Metals"the four international technology trade fairs GIFA, METEC,THERMPROCESS and NEWCAST drew to a successful close on Saturday. Over 1 700 companies, associations and research institutes presented the latest innovations in the areas of foundry technology, castings, metallurgy and thermal process engineering in Düsseldorf.     

一种有效的复杂地质体剖面图自动生成方法*

提出了一种基于平面隐函数的实体切割思想和区域自动识别技术的地质体剖面图生成方法。其主要步骤包括：采用平面隐函数实现平面和地质实体的求交运算,生成离散的交线;采用基于KD树的空间索引方法,确定交线的邻接关系,生成地质体轮廓线;封闭的轮廓线将平面划分为多个复杂的区域(内含孔、岛),采用图论的多叉树形式化表达区域存储和组织;最后对多叉树表示的区域进行矢量图案的填充。实验结果表明,该算法有较好的计算效率,是一种比较实用的地质体剖切方法。