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7561篇 您的检索式:作者名="LambertE"
    题名 作者 年代 出处 被引量
1庞泉沟自然保护区寒温性针叶林演替优势种格局动态分析显示文摘以华北落叶松和青杆为主的寒温性针叶林是庞泉沟自然保护区的重要林型,也是主要保护对象之一。通过空间代时间构建庞泉沟自然保护区寒温性针叶林演替的时间序列,序列1是华北落叶松单优群落稳定发展的过程,序列2是从华北落叶松单优群落演替至华北落叶松-青杆共优群落再到青杆单优群落的过程,采用点格局分析法和与Monte-Carlo拟合检验对演替过程中华北落叶松和青杆的分布格局及其相互关系进行了研究。结果表明:(1)序列1在华北落叶松单优群落稳定发展过程中,华北落叶松的分布格局由集群分布趋向于随机分布,甚至在0—2.5 m上表现为均匀分布,驱动力是种内竞争引起的自疏现象。序列2从华北落叶松单优群落演替至青杆单优群落过程中,华北落叶松的分布格局同样是由集群分布趋向于随机分布,驱动力主要来自于由于青杄侵入扩散而形成的种间竞争;青杄集群的尺度逐步增大,驱动力主要是种群拓殖和种内竞争。(2)二者种间关系,在华北落叶松单优群落阶段无明显相关,共优阶段由于竞争在0—6.5 m尺度上呈显著正相关,在青杄单优群落,青杄竞争获胜,在0—2.5 m尺度上无明显相关,二者种间关系的变化主要来自于群落剩余资源驱动下的种内种间竞争。张钦弟 毕润成 张金屯 Lambert Nyobe 苗艳明 刘晓宁 2012生态学报2012,32,18:13
2Educated consumers don't believe artificial meat is the solution to the problems with the meat industry显示文摘The production of in vitro meat by cell culture has been suggested by some scientists as one solution to address the major challenges facing our society. Firstly, consumers would like the meat industry to reduce potential discomfort of animals on modern farms, or even to avoid killing animals to eat them. Secondly, citizens would like meat producers to reduce potential environmental deterioration by livestock and finally, there is a need to reduce world hunger by increasing protein resources while the global population is predicted to grow rapidly. According to its promoters, artificial meat has a potential to make eating animals unnecessary, to reduce carbon footprint of meat production and to satisfy all the nutritional needs and desires of consumers and citizens. To check these assumptions, a total of 817 educated people(mainly scientists and students) were interviewed worldwide by internet in addition to 865 French educated people. We also interviewed 208 persons(mainly scientists) after an oral presentation regarding artificial meat. Results of the three surveys were similar, but differed between males and females. More than half of the respondents believed that 'artificial meat' was feasible and realistic. However, there was no majority to think that artificial meat will be healthy and tasty, except respondents who were in favour of artificial meat. A large majority of the respondents believed that the meat industry is facing important problems related to the protection of the environment, animal welfare or inefficient meat production to feed humanity. However, respondents did not believe that artificial meat will be the solution to solve the mentioned problems with the meat industry, especially respondents who were against artificial meat. The vast majority of consumers wished to continue to eat meat even they would accept to consume less meat in a context of increasing food needs. Only a minority of respondents(from 5 to 11%) would recommend or accept to eat in vitro meat instead of meat produced from farm animals. Despite these limitations, 38 to 47% of the respondents would continue to support research on artificial meat, but a majority of them believed that artificial meat will not be accepted by consumers in the future, except for respondents who were in favour of artificial meat. We speculated that the apparent contradictory answers to this survey expressed the fact that people trust scientists whoare supposed to continuously discover new technologies potentially useful in a long term future for the human beings, but people also expressed concern for their health and were not convinced that artificial meat will be tasty, safe and healthy enough to be accepted by consumers.Aurélie Hocquette Carla Lambert Clémentine Sinquin Laure Peterolff Zoé Wagner Sarah P F Bonny André Lebert Jean-Franois Hocquette 2015Journal of Integrative Agriculture2015,14,2:11
3Endoscopy in screening for digestive cancer显示文摘The aim of this study is to describe the role of endoscopy in detection and treatment of neoplastic lesions of the digestive mucosa in asymptomatic persons.Esophageal squamous cell cancer occurs in relation to nutritional deficiency and alcohol or tobacco consumption.Esophageal adenocarcinoma develops in Barrett's esophagus,and stomach cancer in chronic gastric atrophy with Helicobacter pylori infection.Colorectal cancer is favoured by a high intake in calories,excess weight,low physical activity.In opportunistic or individual screening endoscopy is the primary detection procedure offered to an asymptomatic individual.In organized or mass screening proposed by National Health Authorities to a population,endoscopy is performed only in persons found positive to a filter selection test.The indications of primary upper gastrointestinal endoscopy and colonoscopy in opportunistic screening are increasingly developing over the world.Organized screening trials are proposed in some regions of China at high risk for esophageal cancer;the selection test is cytology of a balloon or sponge scrapping;they are proposed in Japan for stomach cancer with photofluorography as a selection test;and in Europe,America and Japan;for colorectal cancer with the fecal occult blood test as a selection test.Organized screening trials in a country require an evaluation:the benefit of the intervention assessed by its impact on incidence and on the 5 year survival for the concerned tumor site;in addition a number of bias interfering with the evaluation have to be controlled.Drawbacks of screening are in the morbidity of the diagnostic and treatment procedures and in overdetection of none clinically relevant lesions.The strategy of endoscopic screening applies to early cancer and to benign adenomatous precursors of adenocarcinoma.Diagnostic endoscopy is conducted in 2 steps:at first detection of an abnormal area through changes in relief,in color or in the course of superficial capillaries;then characterization of the morphology of the lesion according to the Paris classification and prediction of the risk of malignancy and depth of invasion,with the help of chromoscopy,magnification and image processing with neutrophil bactericidal index or FICE.Then treatment decision offers 3 options according to histologic prediction:abstention,endoscopic resection,surgery.The rigorous quality control of endoscopy will reduce the miss rate of lesions and the occurrence of interval cancer.René Lambert 2012World Journal of Gastrointestinal Endoscopy2012,4,12:9
4茶对人体健康的作用显示文摘茶是最流行的饮料,全世界每年生产和消费300万t茶叶。历史上茶叶曾被当作治病的药物,当今人们主要对其可以预防各种疾病的功效感兴趣。茶叶有效成分可能存在的保健作用以前已做过调查和研究,并有专门论述。本文就日前已知的有关茶及其保健作用的科研情况作一综述。Chung S. Yang Joshua Lambert 江和源 Mousumi Bose 桑圣民 翁蔚(译) 2006中国茶叶2006,28,5:9
5中国和美国强直性脊柱炎的临床比较显示文摘强直性脊柱炎(As)是一种常见的风湿性疾病,20多年来,尤其是发现本病与HLAB(?)7强相关以后,对本病的认识日渐深刻。既往认为本病在我国属于少见。曾庆馀 叶士圻 James Mcguire Elaine Lambert 1991广东医学1991,12,3:8
6甘氨酸在SiO_2表面的吸附及热缩合反应显示文摘考察了甘氨酸水溶液平衡浓度和pH值对其在SiO2 表面吸附行为的影响,采用DTG ,XRD和FT IR等手段对甘氨酸在SiO2 表面的吸附量及晶相结构等进行了表征.结果表明,甘氨酸在SiO2 上的吸附不符合Langmuir吸附模型,当甘氨酸水溶液平衡浓度小于0 0 73mol/L时,主要为特定位置吸附,此时SiO2 对甘氨酸的吸附源于其表面≡Si-O-基团与甘氨酸离子的-NH+3 端的相互作用;当平衡浓度大于0 0 73mol/L时,呈多层吸附,形成α和β两种晶型的甘氨酸.用TPD MS对甘氨酸的热缩合行为进行了考察,结合FT IR结果表明,产物为环状二聚体哌嗪二酮(DKP) ,没有检测到线式二聚体以及表面硅酯类物种形成.SiO2 对表面吸附的甘氨酸分子产生了诱导活化,使其热缩合温度与体相α甘氨酸相比降低了5 0℃左右.孟明 Lorenzo Stievano Jean-Franois Lambert 2005催化学报2005,26,5:7
7Endoscopic advances in the management of non-variceal upper gastrointestinal bleeding:A review显示文摘Upper gastrointestinal bleeding is defined as the bleeding originating from the esophagus to the ligament of Treitz and further classified into variceal and nonvariceal gastrointestinal bleeding.Non-variceal upper gastrointestinal bleeding remains a common clinical problem globally.It is associated with high mortality,morbidity,and cost of the health care system.Despite the continuous improvement of therapeutic endoscopy,the 30-d readmission rate secondary to rebleeding and associated mortality is an ongoing issue.Available Food and Drug Administration approved traditional or conventional therapeutic endoscopic modalities includes epinephrine injection,argon plasma coagulation,heater probe,and placement of through the scope clip,which can be used alone or in combination to decrease the risk of rebleeding.Recently,more attention has been paid to the novel advanced endoscopic devices for primary treatment of the bleeding lesion and as a secondary measure when conventional therapies fail to achieve hemostasis.This review highlights emerging endoscopic modalities used in the management of non-variceal upper gastrointestinal related bleeding such as over-the-scope clip,Coagrasper,hemostatic sprays,radiofrequency ablation,cryotherapy,endoscopic suturing devices,and endoscopic ultrasound-guided angiotherapy.In this review article,we will also discuss the technical aspects of the common procedures,outcomes in terms of safety and efficacy,and their advantages and limitations in the setting of non-variceal upper gastrointestinal bleeding.Maliha Naseer Karissa Lambert Ahmed Hamed Eslam Ali 2020World Journal of Gastrointestinal Endoscopy2020,12,1:6
8放疗对头颈癌患者颞骨的作用显示文摘放疗是头颈癌治疗的主要手段之一,长期的副作用正逐渐被认识。该文旨在评估接受放疗后,头颈癌患者颞骨区域的近期和远期改变,包括听力损伤、慢性中耳炎、放射性骨坏死及放射癌。该文同时讨论了放疗剂量与这些并发症的相关性。对放疗后颞骨区域并发症的深入认识,有助于临床医师采用更加科学有效的方法治疗头颈癌患者。Lambert EM Gunn GB Gidley PW 2016中国口腔颌面外科杂志2016,14,5:6
9Clinical outcomes of tricuspid valve repair accompanying left-sided heart disease显示文摘AIM To determine whether the need for additional tricuspid valve repair is an independent risk factor when surgery is required for a left-sided heart disease.METHODS One hundred and eighty patients(68 ± 12 years,79 males) underwent tricuspid annuoplasty.Cox proportionalhazards regression model for multivariate analysis was performed for variables found significant in univariate analyses.RESULTS Tricuspid regurgitation etiology was functional in 154 cases(86%),organic in 16 cases(9%),and mixed in10 cases(6%),respectively.Postoperative mortality at 30 days was 11.7%.Mean follow-up was 51.7 mo with survival at 5 years of 73.5%.Risk factors for mortality were acute endocarditis [hazard ratio(HR) = 9.22(95%CI:2.87-29.62),P < 0.001],ischemic heart disease requiring myocardial revascularization [HR = 2.79(1.26-6.20),P = 0.012],and aortic valve stenosis [HR = 2.6(1.15-5.85),P = 0.021].Significant predictive factors from univariate analyses were double-valve replacement combined with tricuspid annuloplasty [HR = 2.21(1.11-4.39),P = 0.003] and preoperatively impaired ejection fraction [HR = 1.98(1.04-3.92),P = 0.044].However,successful mitral valve repair showed a protective effect [HR = 0.32(0.10-0.98),P = 0.046].Additionally,in instances where tricuspid regurgitation required the need for concomitant tricuspid valve repair,mortality predictor scores such as Euroscore 2 could be shortened to a simple Euroscore-tricuspid comprised of only 7 inputs.The explanation may lie in the fact that significant tricuspid regurgitation following leftsided heart disease represents an independent risk factor encompassing several other factors such as pulmonary arterial hypertension and dyspnea.CONCLUSION Tricuspid annuloplasty should be used more often as a concomitant procedure in the presence of relevant tricuspid regurgitation,although it usually reveals an overly delayed correction of a left-sided heart disease.Kasra Azarnoush Ahmad S Nadeemy Bruno Pereira Massoud A Leesar Céline Lambert Alaa Azhari Vedat Eljezi Nicolas Dauphin Etienne Geoffroy Lionel Camilleri 2017World Journal of Cardiology2017,9,10:4
10约翰逊和韦伯的护理评价指南显示文摘Vickie Lambert Clinton Lambert 胡晓昀 2007上海护理2007,7,4:4
11四味镇痛中药对内腓肽降解酶作用的实验研究(英文)显示文摘目的 :研究四味镇痛中药对内腓肽降解酶的作用。方法 :从大鼠的肾脏制备含有内腓肽降解酶的物质 ,建立内腓肽降解酶活性检测模型 ;并用此模型观察四味镇痛中药提取物对内腓肽降解酶特别是对中性内肽酶活性 (NEP2 4 .11)的抑制作用。结果 :(1)钩藤和羌活的水提物显示很强的NEP2 4 11酶抑制作用 ;(2 )无论是有机提取物还是水提物 ,延胡索和川芎对NEP2 4 11的抑制作用都弱于钩藤和羌活 ;(3)钩藤和羌活不仅是氨肽酶和中性内肽酶的双重抑制剂 ,而且是氨肽酶、中性内肽酶和血管紧张素转化酶的三重抑制剂。结论 :四味镇痛中药具有不同的镇痛机制 ,其中 。刘碧崇 Stan LAMBERT John BALDWIN H.EVANS 2002天然产物研究与开发2002,14,4:4
12Comparing the Hurricane Disaster Risk of U.S. Coastal Counties显示文摘Rachel A. Davidson Kelly B. Lambert 2001Natural Hazards Review2001,,3:3
13Nonpolypoid neoplastic lesions of the colorectal mucosa显示文摘Shin ei Kudo René Lambert John I. Allen Hiroaki Fujii Takahiro Fujii Hiroshi Kashida Takahisa Matsuda Masaki Mori Hiroshi Saito Tadakazu Shimoda Shinji Tanaka Hidenobu Watanabe Joseph J. Sung Andrew D. Feld John M. Inadomi Michael J. O’Brien David A. Lieb 2008Gastrointestinal Endoscopy2008,,4:3
14A Potential Global Standard Stratotype-Section and Point of the Moscovian Stage(Carboniferous)显示文摘Conodonts 和 fusulinids 是为细分和相关 Bashkirian 和 Moscovian 阶层的二个最广泛地使用的关於生命的组。因为在存在边界定义建议,其各个有劣势之中有许多争论,全球 Moscovian 阶段的底的定义是未定的。Declinognathodus donetzianus 容易在它的 paleogeographic 分发被认出,但是有点限制了。Idiognathoides postsulcatus 是稍微更普遍的,但是它不太容易被识别,它的出现可以是从区域的 diachronous 到区域。Diplognathodus ellesmerensis 容易被认出并且甚至更普遍,但是它通常是稀罕的,它的祖先足够地不被知道。南方贵州的 Naqing 节,华南包含多样的 conodont 在不同 taxa,包括的 Idiognathoides, Idiognathodus, Diplognathodus, Neognathodus, Gondolella 和 Mesogondolella 之中的进化的系。在有众多的过渡形式几乎 Naqing 节的每个系,哪个为华南的前景上演在决定基础 Moscovian 起一个关键作用的表演定义好。WANG Xiangdong QI Yuping Lance LAMBERT WANG Zhihao WANG Yue HU Keyi LIN Wei CHEN Bo 2011Acta Geologica Sinica(English Edition)2011,85,2:3
15系统性药物治疗儿童银屑病的安全性显示文摘银屑病是一种常见的慢性炎症性皮肤病。成年人的发病率为2%~3%,其中大约有三分之一的患者在18岁之前发病。在儿童期,该病的发病率呈线性增长。从1970年至2000年,儿童银屑病的发病率增加了一倍多。尽管对许多轻度银屑病患儿而言,局部治疗已足够,但对更多可能影响生活质量的重度或顽固性的银屑病患儿,则往往需要系统性治疗。bronckers imgj seyger mmb west dp lara-corrales i tollefson m tom wl hogeling m belazarian l zachariae c mahé e siegfried e philipp s szalai z vleugels ra holland k murphy r baselga e cordoro k lambert j alexopoulos a mrowietz u kievit w paller as 邓婕(编译) 张锡宝(审校) 2017皮肤性病诊疗学杂志2017,24,5:3
16旅游审美过程中的时空观照显示文摘观照对于实现真正的旅游审美至关重要。旅游审美过程中的时空观照也即旅游审美观照中的时空不再是物理的时空,而是文化的时空,是无限延展的时空。旅游审美观照总是以现实时空为基础,以主体心灵感悟无限时空,并超越现实的藩篱,使精神在现实与想象中自由往来,而又在无限中与宇宙融为一体。无限与有限总是循环往复的,旅游审美过程中对无限时空的观照其实就是对生命的观照,生命的体验和自由的感悟成为无限延展的时空观照的最高境界和最终归宿,旅游审美主体也在气运流通的生命观照中与整个宇宙自然融为一体。吴海伦 Andrew Lambert 2017广西民族大学学报(哲学社会科学版)2017,39,4:3
17Neuroendocrine Tumor Markers显示文摘Steven W.J. Lamberts Leo J. Hofland Frank R.E. Nobels 2001Frontiers in Neuroendocrinology2001,,4:3
18Plate osteosynthesis of diaphyseal fractures of the radius and ulna显示文摘R. Hertel M. Pisan S. Lambert F.T. Ballmer 1996Injury1996,,8:2
19Optimizing aerosolization of a high-dose L-arginine powder for pulmonary delivery显示文摘In this study a carrier-free dry powder inhalation(DPI)containing L-arginine(ARG)was developed.As such,it is proposed that ARG could be used for adjunctive treatment of cystic fibrosis and/or tuberculosis.Various processing methods were used to manufacture highdose formulation batches consisting various amounts of ARG and excipients.The formulations were evaluated using several analytical methods to assess suitability for further investigation.Several batches had enhanced in vitro aerolization properties.Significant future challenges include the highly hygroscopic nature of unformulated ARG powder and identifying the scale of dose of ARG required to achieve the response in lungs.Satu Lakio David A.V.Morton Anna P.Ralph Pete Lambert 2015Asian Journal of Pharmaceutical Sciences2015,10,6:2
20Increased de novo Lipogenesis is a Distinct Characteristic of Individuals with Nonalcoholic Fatty Liver Disease显示文摘Jennifer E. Lambert Maria A. Ramos-Roman Jeffrey D. Browning Elizabeth J. Parks 2013Gastroenterology2013,,:2
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