نتایج جستجو برای: mrm
تعداد نتایج: 1660 فیلتر نتایج به سال:
Magnetic resonance imaging (MRI) has enjoyed enormous clinical success since the first demonstration of the method more than 30 years ago. An increasing number of pharmaceutical manufacturers seeking new biomarkers for assessing drug efficacy and toxicity are turning to MRI. A specific application of MRI promises to revolutionize pathology for the basic scientist in the same way MRI has forever...
Background MRI cardiac T2-mapping visualizes edema and has been used for tissue characterization in settings such as myocarditis and ischemia. Clinically it is typically performed via spin-echo based techniques, but preclinically, the high heart rates of rats and mice make such approaches sensitive to motion. Successful implementations instead employ T2-preparation followed by a segmented gradi...
A signal subspace method is derived for the active array localization of point targets whose collective scattering is Born-approximable. The method enables the localization of up to N(N + 1)/2 − 1 targets from a single snapshot of the multistatic response matrix (MRM) measured by an active coincident array of N co-located transmitters and receivers. Furthermore, when applied to MRM data gathere...
The total electron content (TEC) over the Iberian Peninsula was modelled using PCA-MRM models based on decomposition of observed TEC series principal component analysis (PCA) and reconstruction daily modes’ amplitudes by a multiple linear regression model (MRM) space weather parameters as regressors. following are used: proxies for solar UV XR fluxes, number flares different classes, wind inter...
Magnetic resonance microscopy (MRM) techniques have been employed to study the molecular architectures and properties of structural polymers, fossil fuels, microporous carbons and inorganic catalysts.
Despite EU climate objectives and raw material needs, there is a growing concern caused by the limited direct access to primary sources supplies of valuable materials, heavy reliance on imports. Member states are encouraged design implement effective policies improve domestic materials promote green energy, thus advancing European competitiveness, particularly for high tech products, emerging i...
Background: Modified radical mastectomy is commonly performed surgery for breast carcinoma. The present study was conducted to compare intra-operative and post-operative surgical outcomes by using monopolar electrocautery ultrasonic shears in MRM. Methods: A randomized prospective with a sample size of 60 patients who were into two groups. One group underwent MRM (Group A) the other one B). Int...
To the Editor: Breast cancer is the most feared type of cancer among women. It is estimated that 4.4 million living women have had a diagnosis of breast cancer in the last 5 years (1–3). Modified radical mastectomy (MRM) remains the most frequent surgical treatment (4–6), and has been combined with breast reconstruction with the aims of enhancing body image and consequently improving quality of...
Abstract Global concern over lithium (Li) in the environment has significantly increased due to its widespread uses. However, literature review on Li kinetics alkaline soils is scant. Hence, batch experiments were conducted quantify and simulate retention release of sandy clay loam soils. Sorption isotherms fitted using Freundlich Langmuir equations. Second-order two site (SOTS) multi-reaction ...
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