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Response of single piles and pipelines in liquefaction-induced lateral spreads using controlled blasting

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Earthquake Engineering and Engineering Vibration 2002年第2期1卷 181-193页

作者： scott A.Ashford Teerawut Juirnarongrit Department of Structural Engineering University of CaliforniaSan DiegoLa JollaCA 92093-0085

Two full-scale experiments using controlled blasting were conducted in the Port of Tokachi on Hokkaido Island, Japan,to assess the behavior of piles and pipelines subjected to lateral *** specimens were extensively instrumented with strain gauges to measure the distribution of moment during lateral *** allowed us to compute the loading condition,as well as to conduct damage and performance assessments on the piles and *** paper presents the test results and discussions on the response of single piles and pipelines observed from the full-scale *** on the test results,it can be concluded that using controlled blasting successfully liquefied the soil,and subsequently induced lateral *** movements of the single pile,as well as the transverse pipelines,were approximately the same as the free field soil *** moment distribution of the single pile indicated that global translation of the liquefied soil layer provided insignificant force to the *** addition,the degree of fixity at the pile tip significantly affected the moment along the pile as well as the pile head *** pile with a higher degree of fixity at the pile tip had smaller pile head displacement but larger maximum moment.

关键词： piles pipelines pile tests lateral spreading liquefaction soil-pile interaction

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畅游感官世界

环球科学 2024年第6期 42-49页

作者：斯科特·达特菲尔德不详

一起来探索人类五感,和其他你一直拥有但可能从不知晓的感官背后的科学知识。感官的进化可以追溯至数十亿年前,那时的史前细菌开始与其所处的环境互动。最先出现的感觉可能是味觉,大约20亿年前,细菌进化出了一种可以探测附近营养物质的... 详细信息

一起来探索人类五感,和其他你一直拥有但可能从不知晓的感官背后的科学知识。感官的进化可以追溯至数十亿年前,那时的史前细菌开始与其所处的环境互动。最先出现的感觉可能是味觉,大约20亿年前,细菌进化出了一种可以探测附近营养物质的方法。直到大约5亿年前,脊椎动物才进化出了真正的味觉。

关键词：细菌进化营养物质感官世界味觉环境互动脊椎动物

Chronic liver disease in Aboriginal North Americans

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World Journal of Gastroenterology 2008年第29期14卷 4607-4615页

作者： John D scott Naomi Garland Department of Medicine Division of Allergy and Infectious Diseases University of WashingtonSeattle WA 98144 United States Department of Laboratory Medicine University of WashingtonSeattle WA 98144 United States

A structured literature review was performed to detail the frequency and etiology of chronic liver disease (CLD) in Aboriginal North Americans. CLD affects Aboriginal North Americans disproportionately and is now one of the most common causes of death. Alcoholic liver disease is the leading etiology of CLD, but viral hepatitis, particularly hepatitis C, is an important and growing cause of CLD. High rates of autoimmune hepatitis and primary biliary cirrhosis (PBC) are reported in regions of coastal British Columbia and southeastern Alaska. Non-alcoholic liver disease is a common, but understudied, cause of CLD. Future research should monitor the incidence and etiology of CLD and should be geographically inclusive. In addition, more research is needed on the treatment of hepatitis C virus (HCV) infection and non-alcoholic fatty liver disease (NAFLD) in this population.

关键词： Hepatitis C virus Hepatitis B virus American Indian Alaska Native Chronic liver disease

Genetic pathways controlling inflorescence architecture and development in wheat and barley

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Journal of Integrative Plant Biology 2019年第3期61卷 296-309页

作者： Adam Gauley scott A.Boden Department of Crop Genetics John Innes Centre Norwich Research Park

Modifications of inflorescence architecture have been crucial for the successful domestication of wheat and barley, which are central members of the Triticeae tribe that provide essential grains for the human diet. Investigation of the genes and alleles that underpin domestication-related traits has provided valuable insights into the molecular regulation of inflorescence development of the Triticeae, and further investigation of modified forms of architecture are proving to be equally *** identified genes are involved in diverse biological processes, including transcriptional regulation, hormone biosynthesis and metabolism, post-transcriptional and post-translational regulation, which alter inflorescence architecture by modifying the development and fertility of lateral organs, called spikelets and florets. Recent advances in sequencing capabilities and the generation of mutant populations are accelerating the identification of genes that influence inflorescence development, which is important given that genetic variation for this trait promises to be a valuable resource for optimizing grain production. This review assesses recent advances in our understanding of the genes controlling inflorescence development in wheat and barley, with the aim of highlighting the importance of improvements in developmental biology for optimizing the agronomic performance of staple crop plants.

关键词： Genetic pathways Modifications architecture

Introduction to IEEE 802.3av 10Gbit/s Ethernet Passive Optical Networks(10G EPON)

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China Communications 2009年第4期6卷 136-147页

作者： Steven scott Gorshe Jeff Mandin ICs for Optical Transmission and Access Systems United States Transmission Access and Optical Systems Technical Committee United States PMC-Sierra's Fiber-to-the-Home Business Unit United States

In the competitive broadband access environment, providing access to"triple play"services(voice, video, and high-speed data) is an important way for both telephone and CATV network providers to increase their *** Optical Networks(PONs) are a cost-effective, flexible, and future-proof medium for providing triple play *** 1 Gbit/s IEEE 802.3ah Ethernet PON(EPON) and ITU-T G.984 2.5 Gbit/ s PON(GPON) are currently being deployed for triple play service ***, high definition switched digital video service such as IPTV will require more *** paper provides a tutorial overview of the IEEE 802.3av 10Gbit/s Ethernet PON(10G EPON) standard, including the ways in which it differs from EPON.

关键词： IEEE 以太网计算机网络电子邮件

Emergence of the Wallerian degeneration pathway as a mechanism of secondary brain injury

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Neural Regeneration Research 2021年第5期16卷 980-981页

作者： Ciaran scott Hill Andrea Loreto National Hospital for Neurology and Neurosurgery University College London HospitalsUCL Cancer InstituteUniversity College LondonLondonUK Jon Van Geest Centre for Brain Repair University of CambridgeCambridgeUK

Augustus Volney Wal ler was a renowned British neurophysiologist who birthed the axon degeneration field in 1850 by describing curdling and fragmentation of the glossopharyngeal and hypoglossal cranial nerves of a frog following a transection *** degeneration of axons after a transection injury is now known as Wallerian degeneration(WD).Waller’s work was expanded by Santiago Ramón y Cajal who described in detail the morphological stages of WD from monitory fragmentation of the axon and the granular disintegration of the neurofibrils to the final resorption of the axon.

关键词： degeneration nerves Wallerian