In China, serious air pollution has been apparent since the 1990s, and this is complicated due to human activities and partly due to natural factors. It is worth mentioning that local air pollution has greatly improved in the past 5 years, mainly due to the progress of institutional and technical measures since the 2010s. However, the appearance of air pollution in China is changing, as the com…
: A Ho:YVO4 laser double-pass-pumped with a 1.91 μm wavelength-stabilized laser diode is presented in this paper. The maximum output power was up to 8.7 W, with a wavelength of 2052.4 nm and a slope efficiency of 37.4%. The
This open access book provides a perspective on CO2 capture technologies that employ fluidized bed rectors, (FBRs) involving pre-combustion gasification, oxy-fuel combustion, chemical looping combustion, calcium looping process, and low-temperature sorption. The state-of-the-art progress from the lab-scale FBRs to pilot-scale demonstration facilities is summarized, and the remaining challenges …
This open access book surveys the development of OCAC technology in the last decade for solid fuel conversion in fluidized beds. The scientific concerns, including combustion and emission characteristics, ash-related problems, OC aging, and so on, are summarized and analyzed. Beyond this, new concepts like OCAC with Oxy-PFBC, OCAC coupled with staged fuel conversion, OCAC in rotatory kilns and …
Gagasan bahwa "berpikir tentang komputasi adalah salah satu hal paling menarik yang dapat dilakukan oleh pikiran manusia" membedakan The Little Schemer (sebelumnya dikenal sebagai The Little LISPer) dan buku pendampingnya yang baru, The Seasoned Schemer, dari buku-buku lain tentang LISP. Antusiasme para penulis terhadap subjek mereka sangat kuat karena mereka menyajikan konsep-konsep abstrak de…
Strabo's Geography, completed in the early first century AD, is the primary source for the history of Greek geography. This Guide provides the first English analysis of and commentary on this long and difficult text, and serves as a companion to the author's The Geography of Strabo, the first English translation of the work in many years. It thoroughly analyzes each of the seventeen books and p…
This is the first thorough English commentary on the geographical books of Pliny the Elder, written in the AD 70s. Pliny's account is the longest in Latin, and represents the geographical knowledge of that era, when the Roman Empire was the dominant force in the Mediterranean world. The work serves both cultural and ideological functions: much of it is topographical, but it also demonstrates th…