منابع مشابه
Video-rate functional photoacoustic microscopy at depths.
We report the development of functional photoacoustic microscopy capable of video-rate high-resolution in vivo imaging in deep tissue. A lightweight photoacoustic probe is made of a single-element broadband ultrasound transducer, a compact photoacoustic beam combiner, and a bright-field light delivery system. Focused broadband ultrasound detection provides a 44-μm lateral resolution and a 28-μm...
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Antarctic krill (Euphausia superba) is a large euphausiid, widely distributed within the Southern Ocean [1], and a key species in the Antarctic food web [2]. The Discovery Investigations in the early 20(th) century, coupled with subsequent work with both nets and echosounders, indicated that the bulk of the population of postlarval krill is typically confined to the top 150 m of the water colum...
متن کاملChina’s Maritime Interest and the Great Game at Seas
Linking China’s interest in the maritime waters arises from the geo-strategic importance of Sea Lines of Communications (SLOCs) vital to the oil supply of the country. China is building strategic relationships and developing a naval capability to establish a forward presence along the SLOCs that connect China to the Middle East and to Africa. The entire stretch includes South China Sea, Indian ...
متن کاملVariations of Bacterial Community Structure and Composition in Mangrove Sediment at Different Depths in Southeastern Brazil
Tropical mangroves are considered one of the most productive ecosystems of the world, being characterized as nurseries and food sources for fish and other animals. Microorganisms play important roles in these environments, and the study of bacterial communities is of paramount importance for a better comprehension of mangrove dynamics. This study focused on the structure and composition of bact...
متن کاملThe PALFA Survey: Going to great depths to find radio pulsars
The on-going PALFA survey is searching the Galactic plane (|b| < 5◦, 32◦ < l < 77◦ and 168◦ < l < 214◦) for radio pulsars at 1.4 GHz using ALFA, the 7-beam receiver installed at the Arecibo Observatory. By the end of August 2012, the PALFA survey has discovered 100 pulsars, including 17 millisecond pulsars (P < 30 ms). Many of these discoveries are among the pulsars with the largest DM/P ratios...
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ژورنال
عنوان ژورنال: Geological Magazine
سال: 1881
ISSN: 0016-7568,1469-5081
DOI: 10.1017/s0016756800129152