نتایج جستجو برای: ram d
تعداد نتایج: 585203 فیلتر نتایج به سال:
Suppose g > 2 is an odd integer. For real number X > 2, define SgðXÞ the number of squarefree integers d4X with the class number of the real quadratic field Qð ffiffiffi d p Þ being divisible by g. By constructing the discriminants based on the work of Yamamoto, we prove that a lower bound SgðXÞ4X 1=g e holds for any fixed e > 0, which improves a result of Ram Murty. # 2002 Elsevier Science (USA)
In recent years, a rapidly growing number of small embedded systems have been used in very high volumes. One example is the automotive industry, where the number of Electronic Control Units (ECU) in a single car is approaching 100 for high end automobiles and several dozens are used in mid-range cars. Small system-on-chip microcontrollers are often used with static operating systems. As on-chip...
Jingfeng Xiao ⁎, Qianlai Zhuang , Beverly E. Law , Jiquan Chen , Dennis D. Baldocchi , David R. Cook , Ram Oren , Andrew D. Richardson , Sonia Wharton , Siyan Ma , Timothy A. Martin , Shashi B. Verma , Andrew E. Suyker , Russell L. Scott , Russell K. Monson , Marcy Litvak , David Y. Hollinger , Ge Sun , Kenneth J. Davis , Paul V. Bolstad , Sean P. Burns , Peter S. Curtis , Bert G. Drake , Matth...
A range scanner which calculates ranges by triangulation between the incident angles of laser stripes and the positions of their images on a camera sensor was developed for robotic applications. Its originality resides in the use of a solid state image sensor called \Optic RAM" instead of a CCD sensor. This sensor chip presents three desirable characteristics for the position detection of laser...
Riitta Hyvönen 1 , Göran I. Ågren 1 , Sune Linder 2 , Tryggve Persson 1 , M. Francesca Cotrufo 3 , Alf Ekblad 4 , Michael Freeman 1 , Achim Grelle 1 , Ivan A. Janssens 5 , Paul G. Jarvis 6 , Seppo Kellomäki 7 , Anders Lindroth 8 , Denis Loustau 9 , Tomas Lundmark 10 , Richard J. Norby 11 , Ram Oren 12 , Kim Pilegaard 13 , Michael G. Ryan 14 , Bjarni D. Sigurdsson 15 , Monika Strömgren 8,16 , Ma...
Maturation and translation of mRNA in eukaryotes requires the addition of the 7-methylguanosine cap. In vertebrates, the cap methyltransferase, RNA guanine-7 methyltransferase (RNMT), has an activating subunit, RNMT-Activating Miniprotein (RAM). Here we report the first crystal structure of the human RNMT in complex with the activation domain of RAM. A relatively unstructured and negatively cha...
When a sufficient current density passes through the MTJ, the spin-polarized current will exert a spin transfer torque to switch the magnetization of the free layer. This is the fundamental of the novel write mechanism in STT-RAM, current-induced magnetization switching. It allows STT-RAM to have a smaller cell size and write current than MRAM, and also capable of what MRAM promises: fast, dens...
In multi-label text categorization, one or more labels (or categories) can be assigned to a single document. In many such categorization tasks, there can be correlation on the assignment of subsets of the set of categories. This can be exploited to improve machine learning techniques devoted to multi-label text categorization. In this paper, we examine a Virtual Generalizing Random Access Memor...
Prostaglandin H synthase (PHS), an arachidonic acid-dependent peroxidase, has been implicated in the peroxidative activation of carcinogenic aromatic amines in extrahepatic carcinogen target tissues of experimental animals. We have examined the arachidonic acid-dependent activation of [3H]benzidine to DNA-bound products by microsomal preparations from 75 normal human tissues obtained during nec...
two experiments were designed to examine the effects of crude seminal plasma (csp) exposure ofejaculated and epididymal spermatozoa before freezing. experiment 1, two consecutive ejaculates werecollected (n=4) within 5 min, the second one was carried out in a tube containing fiser extender (coatedspermatozoa); by centrifugation, seminal plasma was removed from coated ejaculates. the pellets wer...
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