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Highly efficient THz four-wave mixing in doped silicon

Light(Science & Applications) 2021年第5期10卷 806-811页

作者： Nils Dessmann Nguyen H.Le Viktoria Eless Steven Chick Kamyar Saeedi Alberto Perez-Delgado Sergey G.Pavlov Alexander F.G.van der Meer Konstantin L.Litvinenko ian galbraith Nikolay V.Abrosimov Helge Riemann Carl R.Pidgeon Gabriel Aeppli Britta Redlich Benedict N.Murdin Radboud University Institute for Molecules and MaterialsHFML-FELIXNijmegenThe Netherlands Advanced Technology Institute and Department of Physics University of SurreyGuildford GU27XHUK Institute of Optical Sensor Systems German Aerospace CenterBerinGermany Institute of Photonics and Quantum Sciences SUPAHeriot-Watt UniversityEdinburghUK Leibniz-Institut fur Kristallzuchtung(IKZ) BerlinGermany Laboratory for Solid State Physics ETH Zurich8093 ZurichSwitzerland Institut de Physique EPFL1015 LausanneSwitzerland Paul Scherrer Institute 5232 VlligenSwitzerland

Third-order non-linearities are important because they allow control over light pulses in ubiquitous high-quality centro-symmetric materials like silicon and *** four-wave mixing provides a direct measure of the third-order non-linear sheet susceptibility x^(3)(where L represents the material thickness)as well as technological possibilities such as optically gated detection and emission of *** picosecond pulses from a free electron laser,we show that silicon doped with P or Bi has a value of x^(3)Lin the THz domain that is higher than that reported for any other material in any wavelength *** immediate implication of our results is the efficient generation of intense coherent THz light via upconversion(also a x^(3)process),and they open the door to exploitation of nondegenerate mixing and optical nonlinearities beyond the perturbative regime.

关键词： mixing wave Highly

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Potential Contribution of Combined Atmospheric Ca^(2+) and Mg^(2+) Wet Deposition Within the Continental U.S. to Soil Inorganic Carbon Sequestration

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Pedosphere 2013年第6期23卷 808-814页

作者： E.A.MIKHAILOVA M.A.GODDARD C.J.POST M.A.SCHLAUTMAN J.M.galbraith School of Agricultural Forestand Environmental SciencesClemson University Department of Environmental Engineering and Earth Sciences Clemson University Department of Crop and Soil Environmental Sciences Virginia Tech

Soil inorganic carbon （SIC） stocks continuously change from the formation of pedogenic carbonates, a process requiring inputs of Ca2＋ and Mg2＋ ions. This study ranked the soil orders in terms of potential inorganic carbon sequestration resulting from wet Ca2＋ and Mg2＋ deposition from 1994 to 2003 within the continental United States. The analysis revealed that average annual atmospheric wet deposition of Ca2＋ and Mg2＋ was the highest in the Central Midwest-Great Plains region, likely due to soil particle input from loess-derived soils. The soil orders receiving the highest total average annual atmospheric wet Ca2＋ and Mg2＋ deposition, expressed as potential inorganic carbon formation （barring losses from erosion and leaching）, were： 1） Mollisols （1.1 × 10^8 kg C）, 2） Alfisols （8.4 × 10^7 kg C）, 3） Entisols （3.8 × 10^7 kg C）, and 4） Aridisols （2.8 × 10^7 kg C）. In terms of area-normalized result, the soil orders were ranked： 1） Histosols （73 kg C km-2）, 2） Alfisols and Vertisols （64 kg C km-2）, 3） Mollisols （62 kg C km-2）, and 4） Spodosols （52 kg C kin-2）. The results of this study provide an estimate of potential soil inorganic carbon sequestration as a result of atmospheric wet Ca2＋ and Mg2＋ deposition, and this information may be useful in assessing dynamic nature of soil inorganic carbon pools.

关键词： calcite carbon cycle dolomite pedogenic

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Generating Energy from the Deep

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科技英语学习 2009年第6期 9-11页

作者： Kate galbraith 刘广霞

利用海洋表面和海底深处的温差可以获得能量。此项技术既节约能源又不受天气影响，但应用起来耗资巨大，同时建厂选址受到限制，对海洋生物也会有一定影响。

关键词：海洋表面海底深处海洋生物温差

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A Reliable Interconnection Solution for Absorbing Large CTE Mismatches

A Reliable Interconnection Solution for Absorbing Large CTE ...

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2016中国高端SMT学术会议

作者： Trevor galbraith

＜正＞Ever since the inception of printed boards and electronics interconnection,the industry has struggled with the dilemma of CTE（Coefficient of Thermal Expansion）***,when you combine a whole range of different ma...

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August Macke, 1887-1914

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作者： (author.)Meseure Anna (1887-1914.)Macke August (translator.)galbraith Iain

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AtSAPIS, an orthology of human SAP18, is involved in the regulation of salt stress and mediates transcriptional repression in Arabidopsis

AtSAPIS, an orthology of human SAP18, is involved in the reg...

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中国细胞生物学学会2005年学术大会、青年学术研讨会

作者： David W．galbraith Department of Plant Sciences University of Arizona 303 Forbes Building Tucson AZ 85721

In yeast and mammalian systems, it is well established that transcriptional down-regulation by DNA-binding repressors involves core histone deacetylation, mediated by their interaction within a complex containing histone deacetylase (e.g. HDAl), as well as various other proteins (e.g. SIN3, SAP18, SAP30, and RbAp46). Here we identify that a Arabidopsis thaliana gene related in sequence to Sin3, designated AtSAP18, functions in transcription regulation in plants subjected to salt stress. The AtSap18 loss-of-function mutant is more sensitive to NaCl, and is impaired in chlorophyll synthesis as compared to the wild-type. Using GST pull-down, two-hybrid, and transient transcription assays, we have characterized SAP18 and HDAl orthologs and provide evidence that SAP 18 and HDAl function as transcriptional repressors. We further demonstrate that they associate with Ethylene-Responsive Element binding Factors (ERFs) to create a hormone-sensitive multimeric repressor complex under conditions of environmental stress. Our results indicate that AtSAP18 functions to link the HDA complex to transcriptional repressors that are bound to chromatin in a sequence-specific manner, thereby providing the specificity of signal transduction accompanying transcriptional repression under stress conditions.

关键词： AtSAPIS an orthology of human SAP18 is involved in the regulation of salt stress and mediates transcriptional repression in Arabidopsis SAP

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计算机辅助三维勘探设计

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国外油气勘探 1995年第4期7卷 487-494页

作者： J.M.galbraith 田文辉石油物探局地质调查二处

三维采集要求认真的设计。接收线和炮线的布设必须根据所要求的地质目标而定。到目前为止,已经出现了多种设计软件,它们可以协助地球物理工作者完成这项工作。本文将讨论三维勘探设计的基本要点,并以实例说明一些具体方法。

关键词：三维勘探 CAD 油气勘探地球物理勘探

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Modelling and Applications in Mathematics Education 2007

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丛书名： New ICMI Study Series

2007年

作者： Peter L. galbraith Hans-Wolfgang Henn Mogens Niss

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Eruptive Keratoacanthomas within a Red Ink Tattoo: A Case Report

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Case Reports in Clinical Medicine 2018年第8期7卷 470-475页

作者： Brayden Healey William galbraith Yasser M. Sammour Diane Baird Western University of Health Sciences College of Osteopathic Medicine of the Pacific-Northwest Lebanon USA Cleveland Clinic Cleveland USA Diane Baird Dermatology Eugene USA

Background: There has been a longstanding debate regarding whether keratoacanthomas (KAs) are neoplastic or reactive/inflammatory lesions. Aim: The aim of this case report is to, within the aforementioned debate, offer support in favor of the potential reactive nature of keratoacanthomas. Case Presentation: A 64-year-old male presented with an eruption of 25 keratoacanthomas within a red ink tattoo. Eruptions were partially resolved over a matter of months, and completely resolved with treatment using oral Acitretin therapy. We believe this to be the third such reported case of eruptive KAs within only the red ink portions of a tattoo. Prior cases involved 2 and 8 KAs each. Discussion: Multiple studies suggest that KAs are neoplastic in nature and very distinct from cutaneous squamous cell carcinoma. Especially interesting is the finding that KAs have increased expression of apoptotic genes;this is particularly notable because of the tendency for these lesions to spontaneously involute. Skin tumorigenesis can occur in predisposed individuals after carcinogen exposure, thus red ink possesses theoretical potential as a carcinogen. KAs could be seen in this case as in fact a reactive neoplasm.

关键词： Keratoacanthoma Squamous Cell Carcinoma Tattoo Red Ink Acitretin

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Low Carbohydrate Diets in Type 2 Diabetes—A Translational Study

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Journal of Diabetes Mellitus 2016年第2期6卷 152-157页

作者： Peter M. Clifton Leah T. Coles Clare E. galbraith Alliance for Research in Exercise Nutrition and Activity (ARENA) School of Pharmacy and Medical Sciences University of South Australia Adelaide Australia BakerIDI Heart and Diabetes Institute 75 Commercial Rd Prahran Melbourne Australia

Although intensive interventions with low carbohydrate diets compared with higher carbohydrate diets can reduce HbA1c in people with type 2 diabetes, it is not clear if simple advice to make modest reductions in carbohydrate is effective in clinical practice. Forty-three people with type 2 diabetes and poor control (HbA1c > 7.5%) were randomized to receive 2 short education sessions over 6 months with a non-dietitian researcher on how to reduce carbohydrate intake by about 25% or to 2 control sessions in which the Australian Guide to Healthy Eating was provided. Hba1c and fasting glucose and lipids were measured at baseline and 3 months and 6 months. 33 volunteers attended a baseline visit;27 completed 3 months and 24 6 months. HbA1c was reduced by 0.6% - 0.7% in the low carbohydrate diet group compared with the control group (P = 0.1). Fasting glucose was reduced by 2.3 mmol/L compared with the control group at 3 months (P < 0.03) only. Changes in HbA1c at 6 months were related to baseline HbA1c in the intervention group only. Although we have obtained suggestive evidence that a low carbohydrate diet can be successfully implemented in normal practice without professional help, our results are limited by low participant numbers and further studies are required.

关键词： Translational Study Low Carbohydrate Diet HbA1c Fasting Glucose

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