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Cari koleksi dengan cepat sesuai kebutuhan Anda.Perhaps the most significant change in plant electrophysiological studies that began some 25 years ago was a shift in focus frommore basic electrical and biophysical properties of plant membranes to pursuing the understanding of the plant physiological and cell biological functions of individual plant ion channel types. In the 1990s, ion channels were characterized as targets of upstream signal…
Captain Smith’s ‘‘Ivie’’ was well known to his Powhatan Indian neighbors. For centuries, they and other Native Americans had used it for medicine. Navajos made arrow poison from this native plant, and California’s Miwoks made theWestern version, it-tum in their language, into black dye for baskets (Balls, 1962). They were very aware of its harmful character—in Mexico, it was calle…
This book speaks to the technological infrastructure of time dissemination, distribution, and synchronization, specifically the architecture, protocols, and algorithms of the Network Time Protocol (NTP). NTP has been active in one form or another for over almost three decades on the public Internet and numerous private networks on the nether side of firewalls. Just about everything today that c…
This book is about analog and digital filter design. The analog sections include both passive and active filter designs, a subject that has fascinated me for several years. Included in the analog section are filter designs specifically aimed at radio frequency engineers, such as impedance matching networks and quadrature phase all-pass networks. The digital sections include infinite impulse res…
In this book, focuses on the world of the ISP and in particular on the efficiency of their network operation and on the QoS that they (aim to) provide. Structures the book into four parts, namely the ISP market, network architecture, interconnection issues, and traffic and network engineering. In that way he situates descriptions of the technology issues and emerging solutions in their proper …
Cisco's routers may be the heart of the Internet and of corporate WANs, but it's a wellknown fact that the documentation that comes with them is often too abstruse to be useful. That's why network administrators, especially IP novices, will appreciate Cisco TCP/IP: Routing Professional Reference. Author Chris Lewis, a contributing editor for Network Computing magazine, successfully walks th…
Aging is a progressive accumulation of molecular damage in nucleic acids, proteins and lipids. The inefficiency and failure of maintenance, repair and turnover pathways is the main cause of age-related accumulation of damage, which is also the basis of all age-related diseases. Research in molecular gerontology is aimed at understanding the genetic and epigenetic regulation of molecular mec…
If you know anything about Linux you know that there are a lot of commands that accomplish the same task. To borrow the motto of Perl, a very popular scripting language with a long *nix history: “There’s more than one way to do it.” It is possible that no two people will do the same thing the same way, yet get the same results. In our book, we have used what we feel is the quickest and e…