نتایج جستجو برای: قاعده همدمای خطی lir
تعداد نتایج: 38846 فیلتر نتایج به سال:
Aims. We want to study the IR (> 8 μm) emission of samples of galaxies selected in their rest-frame UV in a very homogeneous way (wavelength and luminosity) from z = 0 to z = 1: comparing their UV and IR rest-frame emissions will allow us to study the evolution of dust attenuation with z as well as to check if a UV selection is able to track all the star formation. This UV selection will also b...
This is the second paper in a series discussing the properties of ultraluminous infrared galaxies (ULIGs: Lir > 10 12 L⊙; Ho = 75 km s −1 Mpc and qo = 0.0) from the 1-Jy sample of Kim (1995). This paper presents the first results of a spectroscopic survey at optical wavelengths of a randomly selected subset of 45 ULIGs from Kim & Sanders (1997). These new data are combined with previous data fr...
The electric organ discharge (EOD) of gymnotiform electric fish is controlled by a well-characterized neural circuit in the brainstem and spinal cord. NADPH-diaphorase (NADPH-d) activity was previously found in phase-locking and/or rapidly firing neurons in the electromotor and electrosensory systems of Apteronotus leptorhynchus [Turner and Moroz, 1995]. These findings suggested that nitric oxi...
The reuse recycling materials or industrial waste with aims to reduce pollution and environmental pollution, strongly supports concept of green building. Fly Ash is result combustion pulverized system coal at the PLTU Tenayan, no longer included in B3 category. usage as building material, mine restoration, roads this decade, replace cement lime. fly ash composition mixed lime for sub-base, will...
مدل سازی ارتباطات اکوژئومورفولوژیکی به دلیل کاربردهای متعددی از قبیل پیش بینی روند تغییرات توالی، تعدیل و تخریب اراضی، ارزیابی تأثیرات تغییرات اقلیمی، تغییرات در استفادة اراضی و احیای شرایط پایداری سامانه های مناطق خشک دارای اهمیت است. نبکا یکی از اشکال ناهمواری در مناطق خشک است که از فرایندهای بادرفتی و پوشش گیاهی تأثیر می پذیرد. هدف از پژوهش حاضر، بررسی ارتباطات موجود بین خصوصیات مورفولوژی گو...
We present Spitzer infrared (IR) photometry and spectroscopy of the lensed Lyman break galaxy (LBG), MS1512-cB58 at z = 2.73. The large (factor ∼ 30) magnification allows for the most detailed infrared study of an L∗UV (z = 3) LBG to date. Broadband photometry with IRAC (3-10 μm), IRS (16 μm), and MIPS (24, 70 & 160 μm) was obtained as well as IRS spectroscopy spanning 5.5-35 μm. A fit of stell...
The tumor suppressor Spred2 (Sprouty-related EVH1 domain-2) induces cell death in a variety of cancers. However, the underlying mechanism remains to be elucidated. Here we show that Spred2 induces caspase-independent but autophagy-dependent cell death in human cervical carcinoma HeLa and lung cancer A549 cells. We demonstrate that ectopic Spred2 increased both the conversion of microtubule-asso...
Initiation of geminivirus DNA replication depends on the activity of the initiator protein (Rep) upon interaction with DNA sequences present in the intergenic region of the viral DNA. In this study, we have analyzed the DNA sequences present in the large intergenic region (LIR) of wheat dwarf virus (WDV), a subgroup I member of the geminivirus family, which are required for viral DNA replicatio...
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