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    MATHEMATICAL MODELING OF THE SYSTEM OF UO_2(NO_3)_2-HNO_3-H_2O/30%(Vol.)TBP-KEROSENE IN SOLVENT EXTRACTION PROCESS Ⅱ. THE CHANGE OF PHASE VOLUME IN THE EXTRACTION PROCESS
    UO_2(NO_3)_2-HNO_3-H_2 O/30%(体积)TBP-240号煤油体系萃取过程的数学模型——Ⅱ.萃取过程中相体积的变化
    Analysis of surface EMG signals based on the change of phase space,entropy and complexity
    基于相空间、熵和复杂度变化的表面肌电信号分析
    the pit corrosion、circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration.
    对点状腐蚀、轴向与周向裂纹三种非轴对称缺陷进行三维有限元仿真,利用相位差和幅值变化曲线与电压平面极坐标图对缺陷特征进行分析,为缺陷形状重构提供了依据。
    Ternary permanent magnetic alloy Sm2Fe7Ti1 was prepared by mechanical alloying(MA)from mixture of elemental powders,The magnetic hard phase was determined as Sm5(Fe,Ti)17 by X-ray diffraction and Mossbauer Spectroscopy and the change of phase during the process of M A was examined.
    用机械合金化技术和由混合的元素粉制备了Sm2Fe7Ti1三元永磁合金。 X射线衍射和Mossbauer谱方法确定合金中的硬磁相为Sm5(Fe,Ti)17相,并对机械合金化过程中相的变化作了跟踪研究。
    the change of amplitude difference of channels is not higher than 1 8dB and the change of phase difference of channels is not higher than 25° in the temperature range of -50~+60℃.
    在 -5 0~ + 60℃的温度范围内通道间的幅度变化不一致性不大于 1 .8d B; 相位变化不一致性不大于 2 5°。
    After carefully studying the changeofprincipalrefractiveindices,birefringence,andphasematchingbetweenKTPand 7.5mol% Nb∶KTP crystals,it can be seen that the dispersion and anisortropic change of principal refractive indices and birefringence for Nb doping are the origin of the change of phase matching when Nb dopes into KTP crystals.
    通过研究 KTP和 7.5mol% Nb∶ KTP晶体的主折射率 ,双折射率和相位匹配 ,可以看出 Nb掺入 KTP晶体后产生的折射率和双折射率的色散和各向异型的变化是引起 KTP晶体相位变化的根本原因 .
    TG_DTA, XRD, TEM and BET were employed to study the thermal behavior as well as the change of phase structure, specific surface area, particle size and morphology of the mullite precursor powders during calcination, and to characterize the mullite powders obtained.
    用TG -DTA、XRD、TEM及BET研究了莫来石前驱粉体在煅烧过程中的热学性质、物相与比表面变化及颗粒大小与形貌变化 ,并对所制得的莫来石粉进行了表征 .
    When irradiation with current density of 100 A/cm~2 ,surface microhardness increased to 1 25 times of that of the un-treated samples,but with 150 A/cm~2 ,the surface microhardness dose not further increase,as well as not induce farther changes of phase constituents.
    熔化凝固组织没有明显相变. 在100A/cm2~150A/cm2内,同未辐照表面相比,显微硬度提高1.25倍.
    The evolution of the phase compositions, change of phase and microstructure in Sm2Fe 17 alloys during the hydrogenation-disproportion process, was systematically studied with XRD, SEM, EDX methods.
    通过X射线衍射(XRD)、扫描电镜(SEM)和能谱分析(EDX)等手段重点研究了Sm2Fe17合金在氢化-歧化过程中的相组成、相的变化以及微观结构的演化规律。
    There was no significant difference in the change of phase among the BQ123 group,mixture group and control group(P>0.05).
    对照组,混合组变化基本相同,混合组、BQ123组与对照组比较差异无统计学意义(P>0.05);
    The results of neutron diffraction and heat analysis confirm that slow cooling leads to the change of phase structure. The increase of magnetostriction of quenched Fe83Ga17 alloys is attributed to the suppression of DO3 structure.
    中子衍射和差热分析表明,Fe83Ga17合金在炉冷过程中存在相结构变化,从而导致合金磁致伸缩系数的改变,淬火处理能够抑制合金中DO3相的形成,从而使Fe83Ga17合金的磁致伸缩应变增大。
    The presence of SiO_2 led to the changes of phase structure in calcined samples,improved the dispersion of CuO and ZnO,and increased the reduction temperature of CuO.
    SiO2的存在可使焙烧后催化剂的晶型结构发生改变,促进CuO和ZnO的分散,并提高CuO的还原温度.
    Comparing with the 60/40(W/W) PMMA/SAN blends,the addition of a small amount of SiO_2 particles could increase the phase-separation temperature(T_s) and could hardly result in the changes of phase separation mechanism,namely,both filled and unfilled blends obeyed the spinodal decomposition mechanism.
    对PMMA/SAN(60/40)体系,加入SiO2粒子后相分离温度上升,但并未改变相分离机理,仍为亚稳单相分解过程(spinodal decomposition,SD);
    USE QF FRINGES OF EQUAL CHROMATIC ORDER TO STUDY THE CHANGE OF PHASE AT METALLIC REFLECTION
    利用等色级纹研究光在金属表面反射时的位相跃变
    The Changes of Phase Compositions and Hardening of Pan-Zhi-Hua Iron Concentrate Pellets
    攀枝花铁精矿球团固结与物相变化
    Changes of Phases and Microstructures in Sintered Cordierite Based Glass-Ceramics
    烧结堇青石微晶玻璃的物相和显微结构变化
    Change of Phase of the Light Waves Reflected by Interface of Two Mediums
    光波场在两种介质界面上反射时的位相突变
    A Study on the Change of Phase Transformation Temperature of Heated Martensite Structure of Steel 65Nb and Its Application
    65Nb钢马氏体组织加热相变温度变化规律及其应用的研究
    CONVECTIVE HEAT TRANSFER OF IMMISCIBLE TWO LIQUIDS MIXTURE WITH CHANGE OF PHASE PART Ⅱ EXPERIMENTAL STUDAY ON CONVECTIVE HEAT TRANSFER
    伴随相变的不互溶二元液体混合物的传热 (二)流动传热实验研究
    Change of phase retardation when light passes obliquely through a wave plate
    光斜入射时波片延迟量的变化
 

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