نتایج جستجو برای: کاربید های سه تایی nb
تعداد نتایج: 538129 فیلتر نتایج به سال:
Nb films are deposited on single crystal Al2O3 (110) and MgO(111) substrates by e-beam evaporation technique. Structure of Nb films and orientation relationships (ORs) of Nb/Al2O3 and Nb/MgO interface are studied and compared by the combination of experiments and simulations. The experiments show that the Nb films obtain strong (110) texture, and the Nb film on Al2O3(110) substrate shows a high...
The nutritive value of isonitrogenous and isoenergetic levels of these processed beans, raw NB-SOY and NB-SOY extruded at 121, 135 or 157OC was assessed by pig growth assay. The raw NB-SOY diet caused severe scouring and was fed only for two weeks. Growth rate and feed conversion of pigs fed extruded NB-SOY improved as the extrusion temperature increased to 135OC but declined with higher temper...
Crash data can often be characterized by over-dispersion, heavy (long) tail and many observations with the value zero. Over the last few years, a small number of researchers have started developing and applying novel and innovative multi-parameter models to analyze such data. These multi-parameter models have been proposed for overcoming the limitations of the traditional negative binomial (NB)...
We report here the electrochemistry of emulsion droplets by observing single emulsion droplet collisions with selective electrochemical reduction on an ultramicroelectrode (UME). With appropriately applied potentials at an UME, we can observe the electrochemical effects of single collision signals from the complete electrolysis of single emulsion droplets, or selective electrolysis of redox spe...
Neural recognition molecule NB-3 is involved in neural development and synapse formation. However, its role in axon tract formation is unclear. In this study, we found that the temporal expression of NB-3 in the deep layers of the motor cortex in mice was coincident with the development of the corticospinal tract (CST). Clear NB-3 immunoreactivity in the CST trajectory strongly suggested that N...
Neural adhesion molecule NB-3 plays an important role in the apical dendrite development of layer V pyramidal neurons in the visual cortex, and receptor-like protein-tyrosine phosphatase α (PTPα) mediates NB-3 signaling in this process. Here we investigated the role of PTPα in regulating cell surface expression of NB-3. We found that cortical neurons from PTPα knock-out mice exhibited a lower l...
The clinical course and outcome of several infectious diseases are dependent on the type of immune response elicited against the pathogen. In adults with neuroborreliosis (NB), a type 1 response with high production of Borrelia-specific IFN-gamma, but no IL-4, has been reported. Since children have a more benign course of NB than adults, we wanted to investigate type 1 and type 2 responses in c...
OBJECTIVES Discordance between the Gleason score (GS) on needle biopsy (NB) and the GS of the radical prostatectomy (RP) specimen is a common finding. The objective of this study was to evaluate the prognostic significance of these discrepancies with respect to outcomes following RP. METHODS In the study, 6625 men treated by RP were categorized as having NB=RP (68.8%), NBRP ...
The detection of PHOX2B mutations in a small proportion of patients affected with either familial or sporadic neuroblastoma (NB), has arisen interest on the possible pathogenic role of this gene in the disease determination. In this light, we have carried out a quantitative expression analysis of PHOX2B and its paralogue PHOX2A on a panel of NB cell lines and NB tumour samples to identify a pos...
هدف از انجام این پژوهش تولید در جای نانوکامپوزیت آلومیناید آهن و کاربید تنگستن به کمک سنتز مکانوشیمیایی- حرارتی بوده است. در این راستا امکان انجام سنتز احتراقی نمونه های فعال سازی شده بررسی شده است. از سه نوع مخلوط مواد اولیه یا سه روش برای تولید نانوکامپوزیت fe3al-wc استفاده شده است. روش اول استفاده از پودرهای آهن، آلومینیم، کربن و تنگستن، روش دوم استفاده از فروتنگستن، آلومینیم و کربن و روش سو...
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