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[期刊论文] 作者:Yongsheng Liu Laifei Cheng Lit, 来源:北京科技大学学报:英文版 年份:2007
A silicon dioxide fiber-reinforced silicon nitride matrix (SiO2/Si3N4) composite used for radomes was prepared by chemi- cal vapor infiltration (CVI) process us...
[期刊论文] 作者:Junsheng Cheng,Hua Cui,Hanbin, 来源:北京科技大学学报:英文版 年份:2007
Bulk nanocrystalline Al was fabricated by mechanically milling at cryogenic temperature (cryomilling) and then by hot pressing in vacuum. By using X-ray diffrac...
[期刊论文] 作者:Junxiang Yin Longxian Cheng Yi, 来源:老年心脏病学杂志:英文版 年份:2007
Objective To investigate the mechanism of ventricular dilation-induced arrhythmias by dilating isolated rat hearts. Methods Isolated rat hearts were perfused by...
[期刊论文] 作者:CHENG GUOJIAN ZHOU GUANWU WANG, 来源:微计算机信息 年份:2007
This paper studies lithologic identification from log information based on PNN(Probability Neural Network).The models lithologic identification of log interpret...
[期刊论文] 作者:CHENG Jigui,DENG Liping,ZHANG, 来源:稀有金属:英文版 年份:2007
为稳固的氧化物的 NiO/SDC composites 和 Ni/SDC 金属陶瓷造成房间(SOFC ) 阳极应用程序从氧化镍(NiO ) 被准备, samaria 做了由粉末冶金学的粉末处理的二氧化铈(SDC ) 。NiO...
[期刊论文] 作者:Cheng Yongqiang Xie Keming Zho, 来源:电子科学学刊:英文版 年份:2007
In this letter, an adaptive interpolation algorithm based on edge detection is proposed. With this algorithm, all the missing green values can be reconstructed...
[期刊论文] 作者:Cheman Cheng,Xiaoqing Jin,Vaik, 来源:高等学校计算数学学报:英文版 年份:2007
A matrix is said to be stable if the real parts of all the eigenvalues are negative. In this paper, for any matrix An, we discuss the stability properties of T....
[期刊论文] 作者:HUANG Meng-xing PAN Quan CHENG, 来源:美中经济评论:英文版 年份:2007
[期刊论文] 作者:DANG Yamin CHENG Chuanlu CHEN, 来源:地球空间信息科学学报:英文版 年份:2007
决定山 Qomolangma 的测地学的高度是在 2005 Qomolangma 高度调查的重要使命之一。在调查有三个 GPS 网络:山顶点上的地区性的 GPS 外壳的变丑网络,测地学的 GPS 控制网络,和 G...
[期刊论文] 作者:Li'na CHENG Xiuliang MA, 来源:材料科学技术学报:英文版 年份:2007
Microstructural characteristics in the BaSrNb_(0.3)Ti_(0.7)O_3 thin film,grown on SrTiO_3 substrate by computer- controlled laser molecular beam epitaxy,wer...
[期刊论文] 作者:Hongfei LIU,Xiaonong CHENG,Jua, 来源:材料科学技术学报:英文版 年份:2007
一个快速、更有效的方法被开发准备 nucleus/shelltitania/hydroxyapatite ( TiO /HAP )与 0.1 mol/L HCI 有 beendissolved 的复杂 nanophotocatalyst.Hydroxyapatite (...
[期刊论文] 作者:Yang Shouming,Cheng Youzhong,H, 来源:现代国际关系:英文版 年份:2007
Shared ideas wield a decisive influence on a country's external behavior. How China's rise will impact the world is determined by ideas shared by th...
[期刊论文] 作者:Cheng Yunping,Wang Chengyong,H, 来源:金刚石与磨料磨具工程 年份:2007
Diamond cup wheel is used widely as an important tool for machining ceramic tile.In this paper,nano rare-earth oxide and nano carbide were added in the segments...
[期刊论文] 作者:CHENG Li-Chuan LI Hao-Hong CHE, 来源:结构化学 年份:2007
A new lead(Ⅱ) iodide coordination polymer [(npq)(PbI3)]n 1 (npq=N-propyl-quinolinium) has been synthesized in the presence of npq as structure-directing reagen...
[期刊论文] 作者:LI Wen-Zuo,CHENG Jian-Bo,bGONG, 来源:结构化学 年份:2007
The unsaturated germylenoid H2C=GeLiF has been studied by using DFT method at the B3LYP/6-311+G (d, p) level. Geometry optimization calculations indicate that H...
[期刊论文] 作者:CHENG Lan-Xia MA Cheng-Bing HU, 来源:结构化学 年份:2007
[期刊论文] 作者:Wang Ge Cheng Xiang - rong, 来源:口腔医学研究 年份:2007
目的:用有氧加热处理阳极氧化膜以进一步提高纯钛的耐腐蚀性。材料和方法:6片直径9mm厚2mm的纯钛片经阳极氧化处理24v10min后置于烤瓷炉,在有氧环境中加热至400℃(A)、420℃(B)、450......
[期刊论文] 作者:CHENG Yabing,MENG Fanzhong,XU, 来源:中国机械工程学报 年份:2007
高速度的多周期影响和速度,负担一种狭窄宽度的汽车的引擎油泵链 06BN-1 的变动特征通过引擎汇编和道路开车测试被学习满足引擎的小需求。磨擦在大头针,灌木丛和压路机之间的区......
[期刊论文] 作者:CHENG Yan-hong LI Zhi-shu XING, 来源:浙江大学学报:A卷英文版 年份:2007
In the 802.11b networks, the guarantee of an equal long-run channel access probability causes performance anomaly in a multi-rate wireless cell. Much interest h...
[期刊论文] 作者:Dongxiu YU Jiang CHENG Zhuoru, 来源:材料科学技术学报:英文版 年份:2007
联合硝酸氧化方法和 polyaniline (PANI ) 涂的方法被使用修改短碳纤维(SCF ) 的表面性质。有 50 wt 的丙烯酸的涂层的电、机械的性质爱抚 PANI 涂的碳纤维被使用扫描电子调...
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