Samples are maintained in the field at 4 °C (insulated to prevent freezing) and are collected weekly. Samples are kept on ice until return to the Canada Center for Inland Waters (CCIW) in Burlington, Ontario for processing and analysis. Based on hydrographic information for the period, ...
While here we aimed to replace vacuum, in order to achieve a higher numerical aperture for an imaging system, one could instead design the multilayer structure to replace a higher-index background medium since NA = nBG sin(θ). The success of the relatively simple structure we designed ...
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even at similar hypocentral distances. It had been suggested that, in addition to local site effects (e.g., variable attenuation and amplification in surficial layers), complex wave propagation in inhomogeneous crustal media is responsible for this observation. To quantitatively...
Despite originally being used for dam construction, RCC has found its way to surface pavement applications. The first RCC pavement (RCCP) was constructed in Canada’s logging industry areas, where strong, low-cost pavements were required in large sorting yards. Since then, RCCP has been widely ...
for spontaneous combustion in this area. In recent years, with a large number of developed coal resources, human activities change the environment and thus improving the chance of spontaneous coal combustion, the Jurassic coal fields in northern Shaanxi have caused many surface and underground coal ...
In the past five decades, a large number of conductivity measurements of NaCl(aq) have been performed under high P–T conditions consistent with Earth's deep crust (Bannard, 1975; Guo & Keppler, 2019; Ho et al., 1994; Sakuma & Ichiki, 2016; Sinmyo & Keppler, 2017). Due to the tech...
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We estimate both non-spatial and spatial versions of the Heckit model, where the spatial application accounts for the potential impact of social interactions—in the form of local spatial spillovers—on the probability of passing the initial selection test and on the likelihood of applying to the ...
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