نتایج جستجو برای: kissinger equation
تعداد نتایج: 229964 فیلتر نتایج به سال:
This paper presents experimental observations of the nanocrystallization process in materials having Fe–Si (FINEMET), a-Fe (NANOPERM), and a0-FeCo (HITPERM) nanocrystals coupled through an amorphous phase. Crystallization kinetics and chemical partitioning during crystallization are described. Isothermal nanocrystallization is discussed in the framework of the Johnson–Mehl–Avrami–Kolmogorov mod...
در ابتدا به طور مختصر ارتباط بین مسائل تغییراتی و معادلات دیفرانسیل را بیان می کنیم. همان طور که می دانیم هر معادله دیفرانسیل را می توان به صورت egin{equation} label{yek} a(u)= 0 end{equation} نوشت، که در آن $ a(u) $ یک عملگر دیفرانسیل معمولی یا جزئی خطی یا غیرخطی و $ u $ مجهول می باشد. برای حل این معادلات و به خصوص معادلات دیفرانسیل جزیی غیرخطی راه حل مشخصی وجود ندارد.حساب تغییر...
Highly Accelerated Free-breathing ECG-Triggered Contrast-Enhanced Pulmonary Vein Angiography with Isotropic Spatial Resolution Sébastien Roujol, Murilo Foppa, Tamer A. Basha, Mehmet Akçakaya, Kraig V Kissinger, Beth Goddu, Sophie Berg, Warren J. Manning, and Reza Nezafat Department of Medicine, Beth Israel Deaconess Medical Center / Harvard Medical School, Boston, MA, United States, Department ...
C. T. Stoeck, D. C. Peters, Y. Han, K. V. Kissinger, B. Goddu, L. Goepfert, W. J. Manning, S. Kozerke, and R. Nezafat Department of Medicine (Cardiovascular Division), Beth Israel Deaconess Medical Center and Harvard, Boston, MA, United States, Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland, Department of Radiology, Beth Israel Deaconess Medical Center and ...
Thermal decomposition and kinetics behaviour of the de-oiled seed cake of African star apple (Chrosophyllum albidum) has been investigated using thermogravimetry under the nitrogen atmosphere from ambient temperature to 900 °C. The thermogravimetric data for the cake decomposition at six different heating rates (5, 10, 15, 20, 30 and 40 °C/min) were used to evaluate the kinetic decomposition of...
This paper presents the results obtained after studying the thermal stability and decomposition kinetics of perindopril erbumine as a pure active pharmaceutical ingredient as well as a solid pharmaceutical formulation containing the same active pharmaceutical ingredient (API). Since no data were found in the literature regarding the spectroscopic description, thermal behavior, or decomposition ...
The thermogravimetric characteristics of wheat straw EMAL (Enzymatic Acidolysis Lignin) were analyzed. The effect of the heating rates on the thermogravimetric characteristics of wheat straw and the wheat straw influence on pyrolysis were investigated. The influence of various heating rates on wheat straw was significant, the pyrolysis rate of wheat straw EMAL increased at temperatures between ...
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