نتایج جستجو برای: dc polarization

تعداد نتایج: 121474  

Journal: :Infection and immunity 2005
Stephen John Jenkins Adrian Paul Mountford

The early immune events in response to infective larvae of the parasitic helminth Schistosoma mansoni are poorly understood, but here for the first time we report on the potential of products released by schistosome larvae (material released in the first 3 h after transformation [0-3hRP]) to stimulate the maturation of dendritic cells (DC) and alter their T-cell-polarizing function. This was pe...

The 17-4PH alloy is a martensitic stainless steel with 3–5 wt% Cu, strengthened by the precipitation hardening. Due to excellent mechanical properties, corrosion resistance and ease of heat treatment, this alloy has unique applications in nuclear power plants and marine constructions. In this paper, the influence of ageing heat treatment, solution annealing followed by ageing at 480, 550 and 62...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده فنی 1390

چکیده تاکنون توپولوژی های گوناگونی برای اتصال ماژول های فتوولتائیک به شبکه، ارائه شده است. در این پایان نامه انواع سیستم های متصل به شبکه خورشیدی مورد برررسی قرار گرفته است. طبق آخرین تحقیقات انجام شده اتصال سری ماژول های فتوولتائیک برای افزایش ولتاژ در کاربرد های خانگی مناسب نیست. از این رو در این پایان نامه یک مبدل dc/dc با افزایندگی بالا، برای افزایش ولتاژ پایین ماژول به سطح مورد نیاز اینور...

ژورنال: شیمی کاربردی 2018

In this work, Ni nano structures with different surface morphology have been electrodeposited from the Waths bath using direct current (DC) and pulsed reverse current (PRC) techniques in the presence of three types of surfactants. CTAB, SDS, and Triton x-100 have been used as cathionic, anionic and nonionic surfactants respectively. The surfactants concentration have been selected at below, equ...

Journal: :Particle acceleration and detection 2022

Abstract Highly spin polarized electron beams produced from GaAs photocathodes within DC high voltage photoguns have been critical to many accelerator-based nuclear and particle physics experiments. This chapter describes photoemission GaAs, the main requirements for constructing a source, techniques control measure polarization of beam.

2013
Minh Duc Nguyen Evert Houwman Matthijn Dekkers Hung Ngoc Vu Guus Rijnders

The effect of two poling processes on the ferroelectric and piezoelectric properties of sol–gel and pulsedlaser-deposited Pb(Zr0 45Ti0 55)O3 (PZT) thin films has been investigated as a function of the poling field, poling temperature and poling time. In the case of dc-electric field poling at an elevated temperature (200 C), the remnant polarization and effective piezoelectric coefficient are f...

Journal: :Infection and immunity 2005
Massimiliano Agostini Elio Cenci Eva Pericolini Giuseppe Nocentini Giovanni Bistoni Anna Vecchiarelli Carlo Riccardi

The glucocorticoid-induced tumor necrosis factor (TNF) receptor-related gene (GITR; TNFRSF18) modulates immune response activating coaccessory signals in T cells and is expressed at high levels in CD4+CD25+ cells. Its ligand (GITRL) is expressed in antigen-presenting cells, where it is capable of promoting signaling. We investigated the role of GITR/GITRL interaction during disseminated candidi...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Debasish Sen Luette Forrest Thomas B Kepler Ian Parker Michael D Cahalan

Dendritic cells (DCs) initiate and polarize adaptive immune responses toward varying functional outcomes. By means of intravital two-photon microscopy, we report that dermal dendritic cells (DDCs) and Langerhans cells (LCs) are differentially mobilized during contact sensitization and by adjuvants such as unmethylated CpG oligonucleotide (CpG) and LPS that induce T helper type 1 (Th1) responses...

Journal: :Computers & Geosciences 2013
M. Karaoulis A. Revil P. Tsourlos Douglas D. Werkema B. J. Minsley

We propose a 2D/3D forward modelling and inversion package to invert direct current (DC)-resistivity, time-domain induced polarization (TDIP), and frequency-domain induced polarization (FDIP) data. Each cell used for the discretization of the 2D/3D problems is characterized by a DC-resistivity value and a chargeability or complex conductivity for TDIP/FDIP problems, respectively. The governing ...

Journal: :Macromolecules 2021

Lithium-salt-doped block copolymers have the potential to serve as solid electrolytes in rechargeable batteries with lithium metal anodes. In this work, we use small-angle X-ray scattering (SAXS) study structure of polystyrene-block-poly(ethylene oxide) (PS-b-PEO) doped bis-(trifluoromethylsulfonyl)amine salt (LiTFSI) during direct current (dc) polarization experiments lithium–lithium symmetric...

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