نتایج جستجو برای: سوپرآلیاژ پایه نیکل gtd
تعداد نتایج: 56821 فیلتر نتایج به سال:
Specific recognition of the cargo that molecular motors transport or tether to cytoskeleton tracks allows them to perform precise cellular functions at particular times and positions in cells. However, very little is known about how evolution has favored conservation of functions for some isoforms, while also allowing for the generation of new recognition sites and specialized cellular function...
Clostridium difficile is the most common cause of antibiotic-associated nosocomial infection in the United States. C. difficile secretes two homologous toxins, TcdA and TcdB, which are responsible for the symptoms of C. difficile associated disease. The mechanism of toxin action includes an autoprocessing event where a cysteine protease domain (CPD) releases a glucosyltransferase domain (GTD) i...
It is universally recognized that an accurate and precise staging and classification system for gestational trophoblastic neoplasia (GTN) is essential to enable clinicians to assess the prognosis or the risk of patients, to individualize and to optimize their treatment. There have been a variety of staging and classification systems developed by different centres and some are still being used. ...
We evaluated the effect of GnRH on the serum hCG level in gestational trophoblastic disease (GTD). Five patients with GTD were studied. Three patients had hydatidiform mole (two complete and one partial mole) and two had choriocarcinoma. Blood samples were collected immediately before and 30, 60 min after the 100 μg GnRH iv injection, followed by hCG assay. Only one case of choriocarcinoma demo...
background : gestational trophoblastic neoplasia (gtn) refers to malignant lesions that arise from abnormal proliferation of placental trophoblast. even in its metastatic forms gtn is curable with a cure rate of 90-100 %. currently, methotrexate with or without folic acid, andactinomycin d is recommended for low risk gtn. the aim of this study is to compare the efficacy of methotrexate and acti...
We compared field measurements of the biological O 2 saturation anomalies, ΔO /Ar and /N , from simultaneous oceanographic deployments a membrane inlet mass spectrometer optode/gas tension device (GTD). Data Subarctic Northeast Pacific Canadian Arctic Ocean were used to evaluate as an alternative for estimates mixed layer net community production (NCP). observed strong spatial coherence between...
There is growing evidence for a coupling of actin assembly and myosin motor activity in cells. However, mechanisms for recruitment of actin nucleators and motors on specific membrane compartments remain unclear. Here we report how Spir actin nucleators and myosin V motors coordinate their specific membrane recruitment. The myosin V globular tail domain (MyoV-GTD) interacts directly with an evol...
Gestational trophoblastic disease (GTD) represents a spectrum of lesions characterised by an abnormal proliferation of trophoblast, including complete hydatidiform mole, partial hydatidiform mole, invasive hydatidiform mole, choriocarcinoma, placental site trophoblastic tumour, epithelioid trophoblastic tumour, placental site nodule and plaque, and exaggerated placental site reaction. Complete ...
We construct a numerical scheme based on the Liouville equation of geometric optics coupled with the Geometric Theory of Diffraction (GTD) to simulate the high frequency linear waves diffracted by a half plane. We first introduce a condition, based on the GTD theory, at the vertex of the half plane to account for the diffractions, and then build in this condition as well as the reflection bound...
Intelligent Integrated Model for Predicting Burn-Through Point Based on Gas Temperature Distribution
This paper presents an integrated model for predicting the burn-through point (BTP) of the lead-zinc sintering process from the gas temperature distribution (GTD). This process features strong nonlinearity, a large time delay, and time-varying parameters. First, the characteristics of the GTD in the sintering machine are obtained from experiments, and a surface temperature model for the materia...
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