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- Differential Thermal Analysis did not reveal the ammonium perchlorate phase change from rhombic to cubic. 差热分析没有测出过氯酸铵从正交晶向立方晶的相变。
- A method for determining reaction rate of silvering on copper by differential thermal analysis (DTA) is described. 差热分析法测量化学沉积铜粉镀银反应速度是以化学热力学的原理为依据的。
- The kinetics of the thermal decomposition of ammonium perchlorate (AP) is investigated by the pressure differential thermal analysis (PDTA). 用压力差热分析(PDTA)研究了高氯酸铵(AP)在高压下热分解动力学。
- The quasi_isothermal method used in modulated differential thermal analysis (MDTA) for heat capacity measurement is reviewed. 对用调制差热分析(MDTA)准恒温法测样品热容量的情形进行了讨论。
- The polymer morphology and structure were characterized by laser particle size analyzer, IR spectrometer(IR) and differential thermal analysis(DTA). 用激光粒度分析仪、红外光谱仪和差热分析仪对聚合物的形态及结构进行了表征。
- The research of the softening charac teristics,DTA(differential thermal analysis)and granulating for waste plastics was described. 对废塑料的软化特性、差热分析及热态造粒工艺进行了系统的研究。
- METHODS The thermal curves were scanned respectively and the characteristic of thermal c urves were analyzed by differential thermal analysis (DTA). 方法:通过差热分析法(DTA)分别进行了热图谱扫描及热谱特征的分析。
- The results from differential thermal analysis (DTA) showed that three endothermal valleys were observed for all samples and some also had an exothermal peak. 研究表明,供试膨润土均可观察到三组吸热效应,部分样品可观察到一组放热效应。
- The samples were characterized by X-ray diffraction (XRD) Differential Thermal Analysis and Thermo Gravimetric Analysis(DTA-TG) and Transmission Electron Microscopy (TEM). 利用热分析仪(TG-DTA)、透射电子显微镜(TEM)、X射线衍射仪(XRD)对材料的结构进行表征。
- BaB_2O_4 phase transition and kinetics of this process have been studied by means of quantitative x-ray analysis,differential thermal analysis,and isothermal heat treatment. 用X射线定量分析、差热分析以及恒温热处理等方法对BaB_2O_4的相变及其动力学进行了研究。
- The glass transition occurring in the amorphous semi-coducting Se wasstudied by DSC differential thermal analysis, infrared absorption spectra and positronannihilation technique. 本文利用DSC差热分析、红外吸收光谱和正电子湮没试验,研究了硫系非晶态半导体Se的玻璃转变。
- By analyzing the differential thermal analysis graph and dehydration graph of borax, the application of borax in diamond cutting and jewelry making field is studied. 在分析硼砂的差热分析曲线和脱水曲线的基础上,对其在珠宝首饰加工领域中的应用进行了初步研究。
- A Flow-DTA adsorptive calorimetric system constructed by the combination of Differential Thermal Analysis (DTA) and Gas Chromatograph is described in this paper. 本文介绍了一种差热分析(DTA)与色谱联用的吸附量热系统。
- The microstructure and crystallization behavior were studied by X-ray diffraction (XRD), differential thermal analysis (DTA), and vibrating sample magnetometer (VSM). 采用X射线衍射分析(XRD)、差热分析(DTA)、磁性测量(VSM)等方法对合金的晶化行为和磁性能进行研究。
- Two methods, differential thermal analysis and image analysis of metallograph, were used to semi-quantitatively determine the content of amorphous structure in this zone. 论文中建立了差热分析法和金相法两种确定非晶组织含量的半定量 方法。
- Differential thermal analysis (DTA) and thermogravimetry analysis (TGA) are used to study the change of the ingredient of RF aerogel in order to find the best pyrolisis technique. 用差热分析和热失重分析研究碳化过程中有机气凝胶成分变化以优化碳化工艺。
- By means of some advanced measure techniques,such as Differential Thermal Analysis(DTA),Sweep Electron Mierosope(SEM), the mecha nism of drying, core bonding and water-solution of this core are approached. 较详细地介绍了应用差热分析,电镜分析等近代测试手段,探讨制芯材料在烘干时的硬化过程,获得干强度的粘结机理以及水溶性机理的情况。
- The crystallization behavior of MgO-Al_2O_3-SiO_2-TiO_2 glasses containing Cr_2O_3 was investigated by means of differential thermal analysis(DTA),X-ray diffraction(XRD)and scanningelectron microscopy(SEM). 利用DTA、XRD、SEM 等实验手段,研究了Cr_2O_3的添加对于MgO-Al_2O_3-SiO_2-ZiO_2系统微晶玻璃析晶行为的影响。
- The differential thermal analysis(DTA and DSC), X-ray diffraction (XRD), transmission electron microscopy(TEM) and so on, were applied to investigate the thermal stability ofnanocrystalline nickel. 在此基础上,采用差热分析(DTA 及 DSC)、XRD 及 TEM 等手段研究纳米晶体镍的热稳定性;
- METHODS High performance liquid chromatography (HPLC) and differential thermal analysis( DTA) were applied to evaluate the quality of bubs Fritillariae thunbergii, such as Fritillaria hupehensis Hsiao et K. C. Hsia, Fritillaria thunbergii Miq. 方法采用高效液相色谱法(HPLC)及差热分析法(DTA)测定了贝母产地在相同生态环境条件下并采用不同加工方法得到的浙贝母、东贝母、湖北贝母及皖贝母的质量。