نتایج جستجو برای: ultrasonic c scan

تعداد نتایج: 1156263  

2015
Xiaozhou Huang Junhai Liu

In order to reasonably use of the aristichthys nobilis scale resources, gelatin was extracted from the scales of aristichthys nobilis with the aid of ultrasonic method. The ultrasonic power, time, temperature and the ratio of material to solvent on extraction of gelatin from aristichthys nobilis scales were studied. The ultrasonic extraction conditions of gelatin from aristichthys nobilis scale...

2015
T. Gusarova S. Schulze Tamara Gusarova

A new method has been developed for the inspection of internal quality of cast products. The ultrasonic measurement technique “HD scan” for the evaluation of internal quality defects in the cast product sample needs a less surface processing in comparison to the etching procedure. The clean and safe technology offers threedimensional views into the sample, providing higher representative inform...

2012
R. Jurkonis A. Janušauskas V. Marozas D. Jegelevičius S. Daukantas M. Patašius A. Paunksnis A. Lukoševičius

Algorithms and software were developed for analysis of B-scan ultrasonic signals acquired from commercial diagnostic ultrasound system. The algorithms process raw ultrasonic signals in backscattered spectrum domain, which is obtained using two time-frequency methods: short-time Fourier and Hilbert-Huang transformations. The signals from selected regions of eye tissues are characterized by param...

Nano ZnO/ montmorillonite composite were prepared by sol gel method under ultrasonic irradiation from directly mixing montmorillonite nano clay into Zinc gel. The Zn(CH3COO)2.2H2O and montmorillonite nano clay was used as precursor. The zinc acetate was dissolved in DI water and, NH3 (aq) solution was dropped into the zinc solution until pH 9 consequently the zinc gel was produced. The montmori...

Journal: :AIP Advances 2022

In order for an electromagnetic acoustic transducer (EMAT) to be able pick up the out-of-plane vibrations of ultrasonic waves generated by laser and facilitate movement system, a new pulse electromagnet EMAT is proposed, which can combined with form laser–pulse integrated system. Because unique structure EMAT, it not only generate uniform transverse magnetic field in shallow surface specimen ju...

A. Montaseri M. Mokhtari-Dizaji M. R. Alinaghizadeh Sh. Akhlaghpour

Introduction: one of the minimally invasive methods of treatmenting liver malignancies is Radiofrequency Ablation (RFA) which can be applied to primary or secondary tumors. Nevertheless, the disease recurrence is probable after RFA application partially due to the inadequate capability of temperature monitoring of the target tissue and visualizing the thermal damage. The goal of this work was t...

Journal: :Molecules 2010
Liang-Liang Zhang Man Xu Yong-Mei Wang Dong-Mei Wu Jia-Hong Chen

The infructescence of Platycarya strobilacea is a rich source of ellagic acid (EA) which has shown antioxidant, anticancer and antimutagen properties. Response surface methodology (RSM) was used to optimize the conditions for ultrasonic extraction of EA from infructescence of P. strobilacea. A central composite design (CCD) was used for experimental design and analysis of the results to obtain ...

Journal: :journal of ultrafine grained and nanostructured materials 2012
m saeidi hossein sarpoolaky s. m. mirkazemi

recently, the al2o3–tio2–zro2 system has found valuable applications, particularly, as a support for nox storage–reduction (nsr) catalysts. nanocomposite powders were prepared from the co-precipitation method in inorganic precursors. the behaviors of mixed oxide nanoparticles under ultrasonic irradiation, such as dispersion, and crushing were studied. phase transformations, crystallite size, an...

2017
Haihua Guo Fansheng Kong Chunyan Yan

BACKGROUND The purple sweet potato, Ipomoea batatas, belongs to the family Convolvulaceae. It is one of the most widely consumed tubers in Asia and is found in many dishes. Many people with diabetes eat purple sweet potato tubers to help reduce blood glucose in China. OBJECTIVE To predict the ultrasonic conditions for getting the optimal in vitro antioxidant and antiglycated activity of ultra...

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