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Archean of Greenland and Fennoscandia

Episodes 2008年第1期31卷 13-19页

作者： Pentti Hoelttae Victor Balagansky Adam A. Garde Satu Mertanen petri Peltonen Alexander Slabunov Peter Sorjonen-Ward Martin Whitehouse Geological Survey of Finland P.O. Box 96 FI-02151 Espoo Finland. Geological Institute Kola Science Centre RAS Apatity 184209 Russia. Geological Survey of Denmark and Greenland Фster Voldgade 10 DK-1350 Copenhagen K Denmark. Institute of Geology Karelian Research Centre RAS Petrozavodsk 185910 Russia. Geological Survey of Finland P.O. Box 1237 FI-70211 Kuopio Finland. Laboratory for Isotope Geology Swedish Museum of Natural History Box 50 007 SE-104 05 Stockholm Sweden.

The North Atlantic craton in southern West Greenland mainly consists of a tectonic collage of Mesoarchean continental crustal terranes, which were amalgamated at c. 2.7 Ga and are currently exposed at mid-crustal amphibolite to granulite facies levels. Tonalitic orthogneisses predominate, intercalated with slightly older tholeiitic to andesitic metavolcanic rocks and associated gabbro-anorthosite intrusive complexes. The North Atlantic craton also contains enclaves of Eoarchean, c. 3.86-3.6 Ga orthogneisses and supracrustal rocks including the Isua greenstone （or supracrustal） belt. This is the oldest known assemblage of rocks deposited at the surface of the Earth, comprising mafic pillow lavas, banded iron formations and metasedimentary schists with local disseminated graphite of possible biogenic origin. Eoarchean rocks have not been found in Kola and Karelia in Fennoscandia where most rocks are 2.9-2.7 Ga tonalitic-trondhjemitic-granodioritic orthogneisses with intercalated coeval greenstone belts and amphibolites. Mesoarchean 3.0-3.2 Ga rocks are found in the eastern and western parts of the Karelian province. Subduction-related rocks like the Iringora supra-subduction type ophiolite and basalt-andesite-dacite-rhyolite series volcanic rocks in many greenstone belts, as well as eclogites are found in the Archean of Fennoscandia. A clear distinction between Greenland and Fennoscandia is the abundance of 2.75-2.65 Ga igneous rocks in Fennoscandia which indicates that these two cratons had a separate evolution during the Neoarchean.

关键词：太古代地球科学格陵兰岛芬诺斯坎底亚

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The Effects of Mustard Protein Concentrate on Nutrient Digestibility and Performance of Broiler Chickens

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Journal of Animal Science and Biotechnology 2010年第2期1卷 85-92页

作者： P.A.Thacker D.petri Department of Animal and Poultry Science University of Saskatchewan51 Campus DriveSaskatoonSaskatchewanCanadaS7N 5A8

This experiment was conducted to de- termine the effects of feeding mustard protein concen- trate on nutrient digestibility and the performance of broiler chickens. A total of 180, day-old, male broiler chickens, weighing an average of 52.8±0.6 g, were randomly assigned to one of six dietary treatments in a randomized block design. The control diet was based on wheat and soybean meal and contained 15% cano- la meal. The experimental diets contained 3 %, 6%, 9% ,12% or 15% mustard protein concentrate added at the expense of canola meal. The digestibility of crude protein and energy declined linearly （ P 〈 0.01 ） with increasing levels of mustard protein concentrate. In addition, weight gain and feed intake were linearly （P 〈 0.01 ） reduced as the level of mustard protein concentrate in the diet increased. Feed conversion wasalso negatively affected （ P 〈 O. O1 ） by mustard pro- tein concentrate while mortality did not differ among treatments. The results of the present experiment pro- vide a strong indication that there is a factor or factors present in mustard protein concentrate which negative- ly affects broiler performance. The process through which the protein in mustard seed is concentrated from mustard meal may concentrate some of the anti-nutri- tional factors found in mustard. Previous research has reported an increase in the concentration of phenolic compounds in protein isolates from mustard and this may be the cause of the reduction in performance as the level of mustard protein concentrate in the diet in- creased. Further research should be conducted to test this hypothesis.

关键词： digestibility mustard protein concentrate performance phenolics poultry

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Early graft dysfunction following adult-to-adult livingrelated liver transplantation:Predictive factors and outcomes

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World Journal of Gastroenterology 2009年第36期15卷 4556-4560页

作者： Salvatore Gruttadauria Fabrizio di Francesco Giovanni Battista Vizzini Angelo Luca Marco Spada Davide Cintorino Sergio Li petri Giada Pietrosi Duilio Pagano Bruno Gridelli Department of Surgery University of PittsburghCoordinator Abdominal Adult Transplant.ISMETT (Mediterranean Institute for Transplant and Advanced Specialized TherapiesUniversity of Pittsburgh Medical Center in Italy)Via E. Tricomi N.190127 PalermoItaly Thomas Starzl Transplantation Institute University of Pittsburgh Medical CenterPittsburgh15213 PAUnited States

AIM:To describe a condition that we define as early graft dysfunction(EGD)which can be identified preoperatively. METHODS:Small-for-size graft dysfunction following living-related liver transplantation(LRLT)is characterized by EGD when the graft-to-recipient body weight ratio(GRBWR)is below 0.8%.However, patients transplanted with GRBWR above 0.8%can develop dysfunction of the *** 73 recipients of LRLT(GRBWR>0.8%),we identified 10 patients who developed *** main measures of outcomes analyzed were overall mortality,number of re-transplants and length of stay in days(LOS).Furthermore we analyzed other clinical pre-transplant variables,intraoperative parameters and post transplant ***:A trend in favor of the non-EGD group(3-mo actuarial survival 98%vs 88%,P=0.09;3-mo graft mortality 4.7%vs 20%,P=0.07)was observed as well as shorter LOS(13 d vs 41.5 d;P=0.001)and smaller requirement of peri-operative Units of Plasma (4 vs 14;P=0.036).Univariate analysis of pre- transplant variables identified platelet count,serum bilirubin,INR and Meld-Na score as predictors of EGD. In the multivariate analysis transplant Meld-Na score (P=0.025,OR:1.175)and pretransplant platelet count(P=0.043,OR:0.956)were independently associated with EGD. CONCLUSION:EGD can be identified preoperatively and is associated with increased morbidity after LRLT. A prompt recognition of EGD can trigger a timely treatment.

关键词： Small-for-size graft dysfunction Livingrelated liver transplantation Graft-to-recipient bodyweight ratio Partial liver transplantation Allograftdysfunction

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Numerical evaluation on sub-Nyquist spectrum reconstruction methods

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Frontiers of Computer Science 2023年第6期17卷 199-201页

作者： Zihang SONG Han ZHANG Sean FULLER Andrew LAMBERT Zhinong YING petri MAHONEN Yonina ELDAR Shuguang CUI Mark DPLUMBLEY Clive PARINI Arumugam NALLANATHAN Yue GAO Department of Engineering King’s College LondonStrandLondon WC2R 2LSUK School of Computer Science and Electronic Engineering University of SurreyGuildfordSurrey GU27XHUK National Instruments Corporation(UK)Ltd. NewburyBerkshire RG142PZUK Electronic Media Services Ltd. BordonHampshire GU350FJUK Sony Research Center Sony CorporationLund 22188Sweden Institute for Networked Systems RWTH Aachen UniversityKackertstrasseAachen 52072Germany Faculty of Math&CS Weizmann Institute of ScienceRehovot 7610001Israel School of Science and Engineering The Chinese University of Hong KongShenzhen 518172China School of Electronic Engineering and Computer Science Queen Mary University of LondonLondon E14NSUK School of Computer Science Fudan UniversityShanghai 200433China

1 Introduction As wireless technology continues to expand,there is a growing concern about the efficient use of spectrum *** though a significant portion of the spectrum is allocated to licensed primary users(PUs),studies indicate that their actual utilization is often limited to between 5%to 10%[1].The underutilization of spectrum has given rise to cognitive radio(CR)technology,which allows secondary users(SUs)to opportunistically access these underused resources[2].However,wideband spectrum sensing,the key of CR,is limited by the need for high-speed analog-to-digital converters(ADCs),which are costly and *** spectrum sensing(CSS)addresses this challenge by employing sub-Nyquist rate *** efficiency of active transmission detection heavily depends on the quality of spectrum reconstruction.

关键词： spectrum continue Nyquist

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TRADITIONAL HERBAL MEDICINES IN LITHUANIA

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World Journal of Traditional Chinese Medicine 2015年第4期1卷 79-80页

作者： V.Povilaityte-petri Department of Therapeutic Chemistry and Pharmacognosy University of Mons

Lithuania is an Eastern European country with 60 miles of sandy coastline to the open Baltic *** country can be divided into 4 ethnographic regions with specific nature scenery,soil,traditions and linguistic *** experienced many political changes through the centuries leading finally to regained independence and EU membership in ***,climatic conditions,

关键词： TRADITIONAL HERBAL MEDICINES IN LITHUANIA

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L1 is a potential marker for poorly-differentiated pancreatic neuroendocrine carcinoma

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World Journal of Gastroenterology 2006年第1期12卷 94-98页

作者： Jussuf T Kaifi Ulrich Zinnkann Emre F Yekebas Paulus G Schurr Uta Reichelt Robin Wachowiak Henning C Fiegel Susann petri Melitta Schachner Jakob RIzbicki Department of General Visceral and Thoracic SurgeryUniversity Medical Center Hamburg-EppendorfHamburgGermany Institute for Pathology University Medical Center Hamburg-EppendorfHamburgGermany Department of Pediatric Surgery University Medical Center Hamburg-EppendorfHamburgGermany Center for Molecular Neurobiology University Medical Center Hamburg-EppendorfHamburgGermany

AIM： To determine the expression of L1 in pancreatic neuroendocrine tumor and to correlate it with WHO classification of this tumor. METHODS： We retrospectively analyzed L1 expression in 63 cases of pancreatic neuroendocrine tumor by immunohistochemistry on paraffin sections of primary tumors or metastases. Staining was performed by peroxidase technique with monoclonal antibody U3127.11 against human L1. All tumors were classified according to WHO classification as well-differentiated neuroendo- crine tumors and carcinomas or poorly-differentiated neuroendocrine carcinomas. RESULTS： LI was detected in 5 （7.9%） of 63 pancreatic neuroendocrine tumors. Four （44.4%） of 9 poorlydifferentiated carcinomas expressed L1. In contrast, only 1 （1.9%） of 54 well-differentiated tumors or carcinomas was positive for LI. No expression was found in Langerhans islet cells of normal pancreatic tissue. Cross table analysis showed a significant association between L1 expression and classification of neuroendocrine tumors of the pancreas （P〈0.01）. CONCLUSION： L1 is specifically expressed in poorlydifferentiated pancreatic neuroendocrine carcinomas that are known to have the worst prognosis. L1 might be a marker for risk prediction of patients diagnosed with pancreatic neuroendocrine carcinomas.

关键词： Neuroendocrine pancreatic tumor Tumor markers Cell adhesion molecules L1

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冲击干燥提高效率和产能

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中华纸业 2008年第22期29卷 90-92页

作者： Kari Juppi petri Norri 美卓造纸机械公司

对美卓造纸机械的冲击干燥装置进行了简述。将冲击干燥与传统干燥的蒸发效率进行了比较,对比结果表明了冲击干燥装置的优越性。

关键词：冲击干燥蒸发效率优越性

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An Interactive Descent Algorithm for Design Optimization of Composite Laminates Subjected to Multiple Loading Conditions

An Interactive Descent Algorithm for Design Optimization of ...

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The Fourth World Congress of Structural and Multidisciplinary Optimization

作者： petri Kere Juhani Koski Institute of Applied Mechanics and Optimization Tampere University of Technology P.O.Box 589 FIN-33101 Tampere Finland Institute of Applied Mechanics and Optimization Tampere University of Technology P.O.Box 589 FIN-33101 Tampere Finland

＜正＞A model for design optimization of strength controlled composite laminates and laminated structural elements is considered. The problem is formulated as a multicriterion optimization problem where laminate initial failure reserve factors with respect to the applied loading conditions are treated as criteria of the vector objective function. The original multiple criteria problem is reduced to a bicriterion problem by introducing parameters to combine linearly some criteria. An interactive descent algorithm is employed to solve the so-called Tchebycheff problem where the distance between the global ideal criterion point and the attainable set is minimized. The optimization procedure is defined through a point-to-set mapping, where at each cycle a new set of design points, i.e., laminate lay-up configurations and their mapping into the reduced criterion space are generated from one design point. The next state of the sequence is selected by the procedure and depends on the choice of the selected parameters. Convergence of the algorithm is considered with respect to the applied descent function. As each new point is generated by the algorithm the corresponding value of the descent function decreases in value, until the limit of the sequence is reached.

关键词： composite laminates multicriterion design optimization failure margin interactive design method

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颗粒物对紫外线灭活二级出水中粪大肠菌的影响

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环境科学 2009年第4期30卷 1095-1098页

作者：孙文俊刘文君 Brian petri Bill Cairns 清华大学环境科学与工程系北京100084 Trojan Technology London N5VT4U7Canada

用低压紫外线照射具有相同颗粒物粒径分布的一系列水样,把实验结果带入二重动力学模型进行计算,评价自然状态下颗粒物对粪大肠菌的保护作用.结果表明,二级出水中的大部分粪大肠菌都与颗粒物交连在一起;在颗粒物***-1时,这种影响不明显.... 详细信息

用低压紫外线照射具有相同颗粒物粒径分布的一系列水样,把实验结果带入二重动力学模型进行计算,评价自然状态下颗粒物对粪大肠菌的保护作用.结果表明,二级出水中的大部分粪大肠菌都与颗粒物交连在一起;在颗粒物***-1时,这种影响不明显.从二重动力学模型的计算结果来看,对于不同颗粒物浓度的水样,难灭活的微生物所占的比重很小且比较稳定,大多数与颗粒物结合的粪大肠菌都较易被紫外线灭活.

关键词：紫外线颗粒物粪大肠菌二重动力学

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磨损颗粒的系统分析

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润滑与密封 1993年第2期18卷 9-11页

作者：刘国强 petri Enwald 广州机床研究所芬兰国家技术研究中心

本文提出了一种润滑油中磨损颗粒的系统分析方法,并可能用于铁谱技术的计算机系统。

关键词：磨损颗粒系统分析磨损

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