نتایج جستجو برای: سوپرآلیاژ پایه نیکل gtd

تعداد نتایج: 56821  

Journal: :European journal of cancer 2015
Pierre-Adrien Bolze Jocelyne Attia Jérôme Massardier Michael J Seckl Leon Massuger Nienke van Trommel Isa Niemann Touria Hajri Anne-Marie Schott François Golfier

Gestational trophoblastic disease (GTD) is a spectrum of cellular proliferations arising from trophoblast. Their invasive and metastatic potential sometimes requires chemotherapy and/or surgery. Current management is generally associated with favourable prognosis. Therefore, treatments must be chosen according to the desire for further childbearing of each patient. The European Organisation for...

Journal: :Bailliere's clinical obstetrics and gynaecology 1982
R W Green-Thompson

The role of surgery in GTD has been outlined and explained in detail. The importance of accurate diagnosis, clinical assessment, patient resuscitation and support, individualization of management and patient selection has been stressed. The prognosis for patients with GTD is now a successful outcome in 70-100% of cases, depending on the risk factors present. Cerebral lesions still present a poo...

2009
Debmalya Barh Anil Kumar Amarendra Narayana Misra

UNLABELLED A Genomic Target Database (GTD) has been developed having putative genomic drug targets for human bacterial pathogens. The selected pathogens are either drug resistant or vaccines are yet to be developed against them. The drug targets have been identified using subtractive genomics approaches and these are subsequently classified into Drug targets in pathogen specific unique metaboli...

2000
Stefan Hagdahl

We have investigated and applied a hybrid method for the electromagnetic scattering and radiation problem in the mid to high frequency range. The method is based on Geometrical Theory of Diffraction (GTD) and standard Galerkin Boundary Element Method (BEM, also called MM) such that BEM is used on details that are small compared to the wavelength, and the GTD-approximation is used on details whi...

1977
VLADIMIR L. POPOV

With every nontrivial connected algebraic group G we associate a positive integer gtd(G) called the generic transitivity degree of G and equal to the maximal n such that there is a nontrivial action of G on an irreducible algebraic variety X for which the diagonal action of G on Xn admits an open orbit. We show that gtd(G) 6 2 (respectively, gtd(G) = 1) for all solvable (respectively, nilpotent...

2007
Johan Edlund Stefan Hagdahl Bo Strand

We have investigated two kinds of hybrid methods for the electromagnetic scattering problem in the mid-frequency range. These are, a current-based approximation to the Magnetic Field Integral Equation called Physical Optics (PO) and the ray-based method Geometrical Theory of Diiraction (GTD), both combined with the Method of Moments (MM) such that MM is used on details that are small compared t...

Journal: :Human reproduction 2002
Ruey-Jien Chen Chien-Ts Chu Su-Cheng Huang Song-Nan Chow Chang-Yao Hsieh

BACKGROUND The aim of this study was to evaluate telomerase activity in tissue from cases of gestational trophoblastic disease (GTD) and in placental tissue from early and late human pregnancies. METHODS We used a telomeric repeat amplification protocol assay to measure telomerase activity in 132 tissue samples from normal early pregnancies, spontaneous abortions, normal late pregnancies, cas...

2008
Fatemeh Ghaemmaghami Mojgan Karimi Zarchi

Choriocarcinoma is a curable malignancy that occurred approximately 50% after term pregnancies, and prognosis in this form of gestational trophoblastic Disease (GTD) is Poor. The earliest onset choriocarcinoma after term pregnancy in one study was reported 3 weeks after delivery, but in current study, choriocarcinoma was diagnosed 2 weeks after delivery. 28 years-old women gravidity 2, parity 2...

Journal: :Molecular biology and evolution 2017
Zhengting Zou Jianzhi Zhang

Several authors reported lower frequencies of protein sequence convergence between more distantly related evolutionary lineages and attributed this trend to epistasis, which renders the acceptable amino acids at a site more different and convergence less likely in more divergent lineages. A recent primate study, however, suggested that this trend is at least partially and potentially entirely a...

امروزه در صنایع نیروگاهی به خصوص توربین های گازی از سوپرآلیاژهای مقاوم به خوردگی داغ و اکسیداسیون دما بالا استفاده می شود. این سوپرآلیاژها مقاومت خوبی در مقابل حمله و ورود گازهای داغ و نرمه خاکستر ناشی از احتراق سوختی و هم چنین خوردگی های اتمسفری از خود نشان می دهند. به همین دلیل استفاده از این سوپرآلیاژها در صنایع نیروگاهی امروزه مورد توجه بساری قرار دارند. از طرفی پوشش دهی پاشش حرارتی به روی ...

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