The influences of Y-based heavy RE and aging process on microstructure and properties of NBC alloy were studied.
结果表明,NBC合金经过分级时效处理后,耐磨性、耐腐蚀性和电导率有所提高,而显微硬度无明显变化;NBC合金经过稀土微合金化处理后,晶粒细化,显微硬度、耐磨性、耐腐蚀性和电导率均有不同程度的提高;NBC合金在添加了微量稀土的基础上并经分级时效处理后,材料性能进一步提高,特别是耐磨性能显著提高。
An algorithm about Orlik Solomon algebra s NBC basis;
OrlikSolomon代数的NBC基的一个算法
Comparing and analyzing ESR process of GH2036 alloy,this paper discovered that melting slowly is beneficial for eliminating primary NbC segregation,improving electricity rapidly is harmful to primary NbC segregation mostly.
通过对GH2 0 36合金电渣重溶工艺的对比分析 ,发现缓慢熔化有利于消除一次NbC偏析 ;快速提电流对一次NbC偏析的危害最大。
Influence of NbC Precipitation on Thermal Expansion Properties of Niobium Super-Invar Alloy
NbC析出对超因瓦合金膨胀性能影响
Influence of Electropulsing Treatment on the Shape Memory Effect and Precipitation of NbC in Fe-Mn-Si-Cr-Ni-Nb-C Alloy
电脉冲处理对FeMnSiCrNiNbC合金NbC析出及记忆效应的影响
Stars Twinkling Tonight--A Brief Analysis of the Opening Ceremony of the 29th Olympic Games Live Show byNBC
今夜星光灿烂——浅析NBC直播的第29届北京奥运会开幕式
The National Broadcasting Company is called NBC for short.
全国广播公司简称为NBC。
Research on the Directionally Solidified Microstructures Evolution of Ni-10.6%NbC Eutectic Alloy at Constant and Changing Growth Rates;
Ni-10.6％NbC共晶合金恒速和跃迁加速定向凝固下的组织演化研究
General Electric Co 's NBC-Universal says it plans to participate in a test of fingerprinting on YouTube that it expects to start shortly
通用电气下属的NBC环球表示，打算参加YouTube的指纹测试，预期在短期内会开始。
A letter containing a powdery substance is believed to be the source of the anthrax becteria that showed up as a skin rash on an NBC employee.
一封带有粉状物质的信件被确定为炭疽热细菌的来源，因为一位NBC雇员已经由此得了皮炎。
GE would then have combined Dow Jones with its NBC Universal unit, in part to stave off competition from News Corp.
若通用电气得手，就可以将道琼斯与旗下的NBC全球部门合并，以对抗来自新闻集团的竞争。
Father Knows Best premiered on NBC. Actor Robert Young based his character on his New York Life agent, Frank Nathan.
「老爸最知心」NBC电视台播映。罗伯特．扮演的主角取材自他的父亲、约人寿业务代表内森。
Research on Precipitation of 00Cr25Ni35AlTi
00Cr25Ni35AlTi的析出相研究
An Empirical Study of the Extrusion Effect on Chinese Government Expenditure to Consumption Expenditure;
我国政府支出对消费支出挤出效应的实证分析
renal dialysis membrane leak detector
肾透析膜渗漏检出器
determination of easily liberatable cyanide
易析出的氰化物的测定
payments approach
支出能力的分析方法
manpower input output analysis
人力投入-产出分析
analysis of international variations in birth rates
国际间出生率差异分析
An empirical analysis of the effect of export drawback to our country;
出口退税对我国出口影响的实证分析
FDI Export Spillover: Extended Analysis from Enterprises to Industries
FDI出口溢出：从企业到行业的拓展分析
