Effect of Strontium on Microstructure and Properties of AZ91 Magnesium Alloy Containing Iron
Sr对含铁镁合金组织与性能的影响
Using SrCO_3,BaCO_3,Al_2O_3and TiO_2 as row materials,the single phase solid solution of hollan-dite of solid-soluted strontium was synthesized by the designed formulas and high temperature solid phase reaction.
以SrCO3、BaCO3、Al2O3和TiO2为原料,通过配方设计,采用高温固相反应,合成了单相固溶Sr的碱硬锰矿固溶体。
The present study examines 4 geochemical trace elements(Boron,Gallium,Strontium,Barium) in a 360m long Quaternary Borehole(Pd) recovered from the Changjiang River mouth.
文章通过对上海浦东机场孔(Pd)第四纪地层中地球化学微量元素B,Ga,Sr和Ba的观测,结合该钻孔粒度、古地磁和微体古生物等分析资料,综合剖析了这些微量元素及其比值在不同沉积相中的分布特征及其古环境演变的意义。
Calculation of aerodynamic heating for the protuberances on TY-3 sounding rocket;
TY-3探空火箭突起物气动加热计算
Design and Implementation of Ground Data Processing Subsystem for Sounding Rocket Integrated Monitoring System;
探空火箭综合监测地面数据处理系统的设计与实现
These motors were developed for sounding rockets,upper stages of launch vehicles and orbit transfer systems in application satellites respectively.
叙述了 2 0世纪 5 0年代以来中国航天固体火箭推进技术的发展历程 ,介绍了 9种最具代表性的固体火箭发动机的技术特征、研制过程、地面试验和飞行情况 ,这些发动机分别应用于中国的探空火箭、运载火箭上面级和应用卫星变轨系统。
DETERMINATION OF ~(87)Sr/~(86)Sr ISOTOPE RATIOS IN WINE
红酒中的~(87)Sr/~(86)Sr同位素比测定
The Rb/Sr and ～(87)Sr/～(86)Sr of Shell Bar Section at Charhan Lake, Qaidam Basin and Its Paleoenvironmental Significance;
柴达木察尔汗贝壳堤剖面Rb/Sr、Sr同位素特征及其环境意义
Research on High Spin States in ～(137)La、～(138)Pr and ～(98)Sr Nuclei;
～（137）La、～（138）Pr和～（98）Sr高自旋态研究
Effects of Al_4C_3 and Ce, Ca, Sr on Microstructure and Performance of AZ91D Magneisum Alloy;
Al_4C_3和Ce、Ca、Sr对AZ91D合金组织与性能影响
Effects of Sr、B on Microstructure and Properties of AZ91D Magmesium Alloy;
Sr、B对AZ91D镁合金组织和性能的影响
The Determination Principle and Method of Strontium in Magnesium-strontium Master Alloy;
镁锶中间合金中Sr的检测理论与方法
The Study on the Mechanism of Hypertrophic Scars with Treatment of ～(90)Sr;
增生性瘢痕～（90）Sr治疗起效机制的研究
Study on K, Sr, Sm, Nd Doped LaMnO_3-based SOFC Cathode Materials;
K、Sr、Sm、Nd掺杂的LaMnO_3基SOFC阴极材料研究
Fabrication and Research on (Ba, Sr, Ca) TiO_3 Based Ceramics;
（Ba，Sr，Ca）TiO_3基介质瓷的制备与研究
Experimeutal Study on Si-Ca-Sr-Ba Alloy;
Si-Ca-Sr-Ba四元复合合金的试验研究
Study on Microstructure and Corrosion Resistance of Mg-Al-Sr Alloy
Mg-Al-Sr合金组织及腐蚀性能研究
Prepare and Study of Sr-system PTC Materials of Low-temperature Sintering
低温烧结Sr系PTC材料的制备与研究
Development of Alkaline-earth and Heat-resistent AM80-Ca-Sr Magnesium Alloys
AM80-Ca-Sr碱土耐热镁合金研究
The Study on Luminescence Properties of M_2SiO_4: Dy~(3+) (M=Ca, Sr, Ba) Phosphors
M_2SiO_4: Dy~(3+)(M=Ca,Sr,Ba)发光性能的研究
The Influence of Sr on microstructure and mechanical Properties of AZ41 alloy
Sr对AS41镁合金组织和性能的影响
Simultaneous Measurement of ~(90)Sr and ~(90)Y by Measuring Their Bremsstrahlung
韧致辐射法同时测量~(90)Sr和~(90)Y
Synthesis of Perovskite by Double-SHS for Immobilization of ~(90)Sr
二次自蔓延高温合成钙钛矿固化~(90)Sr
The Study of Switched Reluctance Motor Control Methods Based on DSP;
基于DSP的SR电机控制策略的研究
