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| 1 | 挪威海底隧道经验显示文摘海底隧道深埋于海水以下,因而在勘探、设计、施工和运行方面都比陆地隧道更困难。挪威在近30a来修建了40条海底隧道,积累了丰富的经验,形成了被称为“挪威海底隧道概念”的一整套技术。规划设计阶段要采用各种可能方法进行尽可能详细的地质勘探,尤其是海洋折射地震波探测,以提供基岩表面深度、基岩地质剖面等重要资料。影响隧道的稳定主要为断层和软弱带,因此,在地质勘探中确认断层和软弱带是极为重要的。施工时需采用精心设计的方法,包括减少每轮爆破的进尺及采用喷射混凝土拱肋、密集长锚桩等。典型的挪威海底隧道衬砌由作为支护的喷锚结构和自立的防水防冻的内衬砌组成。挪威海底隧道的衬砌都按排水结构设计,而不承受外水压力。渗水是海底隧道的最大威胁,施工期应随时了解掌子面前的地质和水文地质条件,超前探测孔和预灌浆是控制渗流的最佳方法,同时必须时刻准备处理可能发生的紧急情况。最小岩石覆盖厚度影响隧道安全和造价,必须慎重考虑,根据岩石条件、稳定要求、渗水量充分论证,大部分挪威海底隧道的最小岩石覆盖厚度都小于50m。海水的腐蚀性给海底隧道带来一系列的特殊问题,须认真对待。 | 吕明 Grφv E Nilsen B Melby K | 2005 | 岩石力学与工程学报2005,24,23: | 106 |
| 2 | Progress in carbon dioxide separation and capture: A review显示文摘这篇文章考察在 CO2 分离和俘获研究和工程取得的进步。各种各样的技术例如吸收,吸附,和膜分离,彻底地被讨论。象化学循环的燃烧和基于水合物的分离那样的新概念也简短被介绍。未来方向被建议。隐遁方法海洋授精和矿物质碳酸饱和技术例如造林,也被盖住。地下的注射和直接海洋垃圾场没被盖住。 | Hongqun Yang Zhenghe Xu Maohong Fan Rajender Gupta Rachid B Slimane Alan E Bland Ian Wright | 2008 | Journal of Environmental Sciences2008,20,1: | 89 |
| 3 | QUADAS评价:一种用于诊断性研究的质量评价工具(修订版)显示文摘背景 QUADAS是一种新近发展起来的诊断性研究的质量评价工具。虽然已有系统评价采用了QUADAS,但尚未得以正式确证。本研究的目的是评价QUADAS的有效性和实用性。方法3位评价者采用QUADAS独立评价30项研究的质量。比较每位评价者的评分与最终结论之间的意见一致度。这主要是通过比较所有QUADAS条目的总分和每个单项的得分来实现的。20位曾在其系统评价中使用过QUADAS的评价者就其使用经验完成一份简短的问卷。结果就所有条目而言,每位评价者的评分与最终结论之间的意见一致度分别达到了91%、90%和85%。就单项QUADAS条目而言,一致度在50%至100%之间,中位值是90%。与难以解释的试验结果和退出病例相关的条目,评分结果差异最大。有关QUADAS内容的反馈意见普遍较好,仅少数评价者提出了有关QUADAS涵盖面、使用便利性、评分说明的清晰度及有效性方面的问题。结论QUADAS内容本身无需作大的修改。评价过程的主要困难出现在难以解释的试验结果和退出病例这2个条目的评分上。对这些条目的评分指南提出了修改意见。评价者必需根据其系统评价制定相应的评分指南,并确保所有评价者都清楚如何评分。评价者还应考虑是否所有的QUADAS条目都与其系统评价相关,以及其他质量条目是否应作为其系统评价的评价部分。 | Penny F Whiting Marie E Weswood Anne WS Rutjes Johannes B Reitsma Patrick NM Bossuyt Jos Kleijnen 马章淳 钱楠 | 2007 | 中国循证医学杂志2007,7,7: | 64 |
| 4 | TME术前短程放疗后化疗对比术前放化疗联合术后辅助化疗治疗局部晚期直肠癌(RAPIDO研究)—一项随机、开放的Ⅲ期临床试验显示文摘背景:全身复发仍然是局部晚期直肠癌患者需要面临的难题。该研究是采用短程放疗后行化疗和延迟手术对比术前诱导治疗后直接手术疗效的临床试验(the Rectal cancer And Preoperative Induction therapy followed by Dedicated Operation,RAPIDO),旨在不影响局部控制效果的前提下减少远处转移。方法:在这项多中心、随机、开放的Ⅲ期试验中,参与者来自于荷兰、瑞典、西班牙、斯洛文尼亚、丹麦、挪威和美国的共54个医学中心。纳入患者年龄在18岁及以上,ECOG评分为0~1分,且为经活检确诊局部晚期原发直肠腺癌的初诊患者,盆腔MRI评估为高危(至少符合一项标准:cT4a或cT4b,壁外血管侵犯,cN2,直肠系膜筋膜受累,或侧方淋巴结增大)。患者具备化疗适应证,并可在随机分组前5周内完成分期评估。 | 李来元 张维胜 BAHADOER R R DIJKSTRA E A VAN ETTEN B | 2021 | 结直肠肛门外科2021,27,1: | 72 |
| 5 | MicroRNA-34a inhibits glioblastoma growth by targeting multiple oncogenes显示文摘 | Li Y Guessous F Zhang Y Dipierro C Kefas B Johnson E Marcinkiewicz L Jiang J Yang Y Schmittgen TD Lopes B Schiff D Purow B Abounader R | 2009 | 中国神经肿瘤杂志2009,7,4: | 56 |
| 6 | Update in management of mesenteric ischemia显示文摘肠系膜局部缺血混乱被剥夺一或几个腹的机关遇见新陈代谢的要求足够的呼吸的一个发行量不足事件猛抛。尽管 mes 伤寒局部缺血不经常发生,死亡率从 60% ~ 100% ,依靠阻塞的消息提供者。成功的结果依赖于怀疑和迅速的管理的一个高索引。我们简短考察病理生理学和演讲各种各样是化学家实体并且在诊断和治疗考察当前的现状。尽管有在诊断和治疗的进展,迅速的诊断和支持的照顾为成功的结果仍然保持批评。新成像技术,血管内治疗和新兴的研究可以改进我们的途径到这个致命的条件。 | Robert W Chang John B Chang Walter E Longo | 2006 | World Journal of Gastroenterology2006,12,20: | 38 |
| 7 | AGNP精神科治疗药物监测共识指南:2011显示文摘治疗药物监测(Therapeutic drug monitoring,TDM),如通过定量测定血清或血浆药物浓度指导用药剂量优化,已经成为对患者进行精神药物治疗的很有价值的工具。在患者用药依从性难以判断、药物耐受性不佳、治疗剂量下无效以及可能存在药代动力学药物-药物相互作用等情况下,测定药物浓度是很有用的。在精神科,有可能明显获益于TDM的主要患者群体包括儿童、孕妇、老年患者、智力障碍患者、涉及司法的患者、已知或怀疑携带药代动力学相关基因变异的患者,以及合并躯体疾病影响药代动力学的患者。然而,只有将TDM充分整合到临床治疗过程中去,才能发挥其优化药物治疗的潜在优势。为了促进TDM的合理应用,神经精神药理学与药物精神病学协会(Arbeitsgemeinschaft für Neuropsychopharmakologie und Pharmakopsychiatrie,AGNP)的TDM专家组在2004年发表了精神药物治疗药物监测指南。之后,随着知识不断更新,又有许多可能需要进行TDM的新药上市。因此,本次更新将神经精神药物的种类扩展到了128种,并将其TDM必要性划分为从'强烈推荐'到'可能有用'的四个等级。经过大量细致且全面的文献检索与分门别类的汇总整理,将基于循证医学理念的'治疗参考浓度范围'和'剂量相关参考浓度范围'呈现给大家。本共识指南引入了'实验室警戒浓度'的新概念,即实验室需要马上告知治疗医生的药物浓度上限。本共识指南还给出了诸如药物作为细胞色素P450酶的底物和抑制剂的性质,代谢物与母药浓度比值的常见范围,以及与结果解释相关的内容,还提供了何时将TDM与遗传药理学检测相结合的建议。遵循本指南,有助于改善许多患者精神药物治疗的效果,特别是那些存在药代动力学异常的患者。TDM是一门交叉学科,有时针对看起来不一致的数据,需要多学科坦诚地讨论,只有这样,患者才能从这种合作中获益。 | Hiemke C Baumann P Bergemann N Conca A Dietmaier O Egberts K Fric M Gerlach M Greiner C Gründer G Haen E Havemann-Reinecke U Jaquenoud Sirot E Kirchherr H Laux G Lutz UC Messer T Müller MJ Pfuhlmann B Rambeck B Riederer P Schoppek B Stingl J Uhr M Ulrich S Waschgler R Zernig G 李文标(译) 果伟(译) 阮灿军(译) 贺静(译) 汤宜朗(审校) 王传跃(审校) | 2016 | 实用药物与临床2016,19,10: | 37 |
| 8 | Current state of laparoscopic parastomal hernia repair:A meta-analysis显示文摘AIM:To evaluate the efficacy and safety of the laparoscopic approaches for parastomal hernia repair reported in the literature.METHODS:A systematic review of PubMed and MEDLINE databases was conducted using various combination of the following keywords:stoma repair,laparoscopic,parastomal,and hernia.Case reports,studies with less than 5 patients,and articles not written in English were excluded.Eligible studies were further scrutinized with the 2011 levels of evidence from the Oxford Centre for Evidence-Based Medicine.Two authors reviewed and analyzed each study.If there was any discrepancy between scores,the study in question was referred to another author.A meta-analysis was performed using both random and fixed-effect models.Publication bias was evaluated using Begg's funnel plot and Egger's regression test.The primary outcome analyzed was recurrence of parastomal hernia.Secondary outcomes were mesh infection,surgical site infection,obstruction requiring reoperation,death,and other complications.Studies were grouped by operative technique where indicated.Except for recurrence,most postoperative morbidities were reported for the overall cohort and not by approach so they were analyzed across approach.RESULTS:Fifteen articles with a total of 469 patients were deemed eligible for review.Most postoperative morbidities were reported for the overall cohort,and not by approach.The overall postoperative morbidity rate was 1.8%(95%CI:0.8-3.2),and there was no difference between techniques.The most common postoperative complication was surgical site infection,which was seen in 3.8%(95%CI:2.3-5.7).Infected mesh was observed in 1.7%(95%CI:0.7-3.1),and obstruction requiring reoperation also occurred in 1.7%(95%CI:0.7-3.0).Other complications such as ileus,pneumonia,or urinary tract infection were noted in16.6%(95%CI:11.9-22.1).Eighty-one recurrences were reported overall for a recurrence rate of 17.4%(95%CI:9.5-26.9).The recurrence rate was 10.2%(95%CI:3.9-19.0) for the modified laparoscopic Sugarbaker approach,whereas the recurrence rate was27.9%(95%CI:12.3-46.9) for the keyhole approach.There were no intraoperative mortalities reported and six mortalities during the postoperative course.CONCLUSION:Laparoscopic intraperitoneal mesh repair is safe and effective for treating parastomal hernia.A modified Sugarbaker approach appears to provide the best outcomes. | Francis J DeAsis Brittany Lapin Matthew E Gitelis Michael B Ujiki | 2015 | World Journal of Gastroenterology2015,21,28: | 34 |
| 9 | Predictive value of Ki67 and p53 in locally advanced rectal cancer:Correlation with thymidylate synthase and histopathological tumor regression after neoadjuvant 5-FU-based chemoradiotherapy显示文摘AIM: To investigate the predictive value of Ki67 and p53 and their correlation with thymidylate synthase (TS) gene expression in a rectal cancer patient cohort treated according to a standardized recommended neoadjuvant treatment regimen.METHODS: Formalin fixed, paraffin embedded pre-therapeutical tumor biopsies (n = 22) and post-therapeutical resection specimens (n = 40) from patients with rectal adenocarcinoma (clinical UICC stage Ⅱ/Ⅲ) receiving standardized neoadjuvant 5-fluorouracil (5-FU) based chemoradiotherapy were studied for Ki67 and p53 expression by immunohistochemistry and correlated with TS mRNA expression by quantitative TaqMan real-time PCR after laser microdissection. The results were compared with histopathological tumor regression according to a standardized semiquantitative score grading system.RESULTS: Responders (patients with high tumor regression) showed a significantly lower Ki67 expression than non-responders in the pre-therapeutical tumor biopsies (81.2% vs 16.7%; P < 0.05) as well as in the post-therapeutical resection specimens (75.8% vs 14.3%; P < 0.01). High TS mRNA expression was significantly correlated with a high Ki67 index and low TS mRNA expression was significantly correlated with a low Ki67 index in the pre-therapeutical tumor biopsies (corr. coef. = 0.46; P < 0.01) as well as in the post-therapeutical resection specimens (corr. coef. = 0.40; P < 0.05). No significant association was found between p53 and TS mRNA expression or tumor regression.CONCLUSION: Ki67 has, like TS, predictive value in rectal cancer patients after neoadjuvant 5-FU based chemoradiotherapy. The close correlation between Ki67 and TS indicates that TS is involved in active cell cycle processes. | Christiane Jakob Torsten Liersch Wolfdietrich Meyer Heinz Becker Gustavo B Baretton Daniela E Aust | 2008 | World Journal of Gastroenterology2008,14,7: | 29 |
| 10 | 美国国立老化研究所与阿尔茨海默病协会诊断指南写作组:阿尔茨海默病临床前阶段的定义显示文摘阿尔茨海默病(AD)的病理生理过程在痴呆诊断的多年前就开始了。这一长期的AD“临床前”阶段是治疗干预的关键机会,但需进一步阐明AD的病理级联过程和临床症状出现之间的联系。美国国立老化研究所和AD协会召集了一个国际工作组对AD生物标志物、流行病学和神经心理学的证据进行综述并提出建议,以确定能够预测由“正常”认知到轻度认知功能障碍(MCI)及AD痴呆的最佳预测指标。根据目前已有的主要科学证据,我们提出了一个概念性的框架和用于操作的研究标准,以通过纵向临床研究来验证和改进这些模型。这些建议仅用于研究目的,目前不涉及临床应用。我们希望这些建议能提供一个共识,以推进临床前AD的研究,最终推动更早期治疗干预的进展,使得一些疾病减缓药物的疗效发挥最大。 | Sperling RA Aisen PS Beckett LA Bennett DA Craft S Fagan AM Iwatsubo T Jack CR Jr Kaye J Montine TJ Park DC Reiman EM Rowe CC Siemers E Stern Y Yaffe K Carrillo MC Thies B Morrison-Bogorad M Wagster MV Phelps CH 贾建平(译) 郭起浩(译) 黄丽(译) 陆璐(译) 张逸驰(译) 邢怡(译) | 2012 | 中华神经科杂志2012,45,5: | 22 |
| 11 | 脑缺氧是影响严重颅脑创伤患者短期预后的独立危险因素(英文)显示文摘Background:Brain hypoxia(BH)can aggravate outcome after severe traumatic brain injury(TBI).Whether BH or reduced brain oxygen(Pbto2)is an independent outcome predictor or a marker of disease severity is not fully elucidated.Objective To analyze the relationship between Pbto2,intracranial pressure(ICP),and cerebral perfusion pressure(CPP)and to examine whether BH correlates with worse outcome independently of ICP and CPP.Methods We studied103patients | Oddo M Levine JM Mackenzie L Frangos S Feihl F Kasner SE Katsnelson M Pukenas B Macmurtrie E Maloney-Wilensky E Kofke WA Leroux PD | 2011 | 中华神经外科疾病研究杂志2011,10,5: | 21 |
| 12 | 半干旱农牧交错带栗钙土的发生与演变显示文摘半干旱农牧交错带玄武岩和沙质沉积物上发育的典型草原土壤──粟钙土形成于距今6000~8000年以前。随着时间的进程,它经历了有机质积累与分解,碳酸盐淀积与淋溶,元素氧化物迁移与富集,以及风沙堆积等作用。近二百余年来,栗钙土在人为强度活动,开垦种植和过度放牧经营管理下,土壤理化性质渐趋恶化,从而反映出演变过程中的土壤退化现象。 | 刘良梧 周健民 刘多森 ИBaHOB И B ДeMКИH B A ПPиXOДbKO B E | 2000 | 土壤学报2000,37,2: | 20 |
| 13 | 涡轮叶栅前缘上游端壁气膜冷却的流场实验研究显示文摘对前缘上游端壁有单排和双排孔冷却的大尺寸低速涡轮导向叶栅进行了气动测量、热示踪和端壁流场显示 ,在吹风比 1~ 3范围获得了叶栅内的详细流场、冷气的空间分布和端壁上的流动图案。结合先前测得的没有冷却时的流场数据 ,这些结果表明端壁气膜冷却对叶栅流场结构有重大影响 ,吹风比是主宰射流与二次流间相互作用的主要因素 ,双排孔喷射使冷气比单排孔喷射更贴近端壁。低吹风比喷射冷气不能到达压力面并被二次流逐渐卷离端壁 ;中吹风比喷射有效的抑制了二次流的形成 ,并使端壁流线偏向于无粘流流线 ,冷气很均匀的覆盖在端壁上 ;高吹风比喷射可将冷气抛射到压力面上 ,双排孔情况下甚至使二次流反向 。 | 刘高文 刘松龄 许都纯 Lapw orth B L Forest A E | 2001 | 航空动力学报2001,16,2: | 20 |
| 14 | HPV阴性胃型子宫颈原位腺癌:一种具有胃和肠分化的罕见病变谱系显示文摘作者报道9例罕见的具有胃和肠分化且与人类乳头瘤病毒(HPV)感染无关的子宫颈原位腺癌(AIS)。患者年龄25~73岁(平均51岁),所有病例均位于子宫颈鳞一柱交界区(或邻近),其中有3例延伸子宫下段,2例累及子宫内膜。所有病例均大部分保留正常子宫颈腺体结构,其中5例有轻度腺体复杂性增生。腺上皮从几乎为纯胃型(4例)至混合不同比例杯状细胞的胃肠型(5例)。与正常的子宫颈腺体嗜碱性细胞质不同,胃型上皮通常由明显嗜酸性或浅粉色胞质的细胞组成,但在某些病例中胞质呈明显的泡沫状或透明胞质。所有病例均有核非典型性, | Talia K L Stewart C J R Howitt B E 黄爱清(摘译) 余英豪(审校) | 2017 | 临床与实验病理学杂志2017,33,11: | 19 |
| 15 | 南海红树林内生真菌1356#代谢产物的研究显示文摘从南海红树林内生真菌1356#分离出两种鞘胺醇(A,B)和三种环二肽(C,D,E)?它们的结构通过IR,MS,1D NMR和2D NMR谱推导出来?(3'E,4E)-1-(-D-吡喃葡萄糖基-3-羟基-2-(2'-羟基十八碳酰基)氨基-10-甲基-3',4,9-十八碳三烯(A)是一种新的鞘胺醇甙? | 吴雄宇 林永成 冯爽 姜广策 周世宁 Vrijmoed L L P Jones E B G | 2001 | 热带海洋学报2001,20,4: | 17 |
| 16 | Short and long term prognosis in perinatal asphyxia: An update显示文摘Interruption of blood flow and gas exchange to the fetus in the perinatal period, known as perinatal asphyxia, can, if significant, trigger a cascade of neuronal injury, leading on to neonatal encephalopathy(NE) and resultant long-term damage. While the majority of infants who are exposed to perinatal hypoxia-ischaemia will recover quickly and go on to have a completely normal survival, a proportion will suffer from an evolving clinical encephalopathy termed hypoxic-ischaemic encephalopathy(HIE) or NE if the diagnosis is unclear. Resultant complications of HIE/NE are wide-ranging and may affect the motor, sensory, cognitive and behavioural outcome of the child. The advent of therapeutic hypothermia as a neuroprotective treatment for those with moderate and severe encephalopathy has improved prognosis. Outcome prediction in these infants has changed, but is more important than ever, as hypothermia is a time sensitive intervention, with a very narrow therapeutic window. To identify those who will benefit from current and emerging neuroprotective therapies we must be able to establish the severity of their injury soon after birth. Currently available indicators such as blood biochemistry, clinical examination and electrophysiology are limited. Emerging biological and physiological markers have the potential to improve our ability to select those infants who will benefit most from intervention. Biomarkers identified from work in proteomics, metabolomics and transcriptomics as well as physiological markers such as heart rate variability, EEG analysis and radiological imaging when combined with neuroprotective measures have the potential to improve outcome in HIE/NE. The aim of this review is to give an overview of the literature in regards to short and longterm outcome following perinatal asphyxia, and to discuss the prediction of this outcome in the early hours after birth when intervention is most crucial; looking at both currently available tools and introducing novel markers. | Caroline E Ahearne Geraldine B Boylan Deirdre M Murray | 2016 | World Journal of Clinical Pediatrics2016,5,1: | 16 |
| 17 | 涡轮叶栅前缘上游端壁气膜冷却的传热实验研究显示文摘对前缘上游有单排和双排孔冷却的涡轮导向叶栅端壁进行了详细的传热实验 ,在吹风比 1 ,2 ,3下获得了当地气膜冷却效率和换热系数 ,结合流场测量结果分析了端壁冷却和换热规律。结果表明端壁气膜冷却在很大程度上受二次流的影响 ,冷却效果主要由吹风比决定 ,低吹风比喷射时 ,压力面附近的一个三角形区域没有冷气的覆盖 ,中、高吹风比喷射可以大幅度提高平均冷却效率并使冷气很均匀的覆盖在端壁上 ,双排孔喷射比单排孔喷射平均效率提高 1倍左右。结果还表明尽管冷气喷射使端壁换热系数随吹风比的增大而显著增大 ,气膜冷却还是能有效的降低端壁的热负荷 ,其中以中吹风比双排孔喷射的效果最为显著。 | 刘高文 刘松龄 朱惠人 Lapworth B L Forest A E | 2001 | 航空动力学报2001,16,3: | 15 |
| 18 | 内侧固定平台单髁置换术后的冠状面下肢力线是翻修的影响因素显示文摘膝关节单髁置换术(unicompartmental knee arthroplasty,UKA)后患者冠状面的下肢力线被认为是影响手术长期疗效的一个重要因素,但关于最佳的UKA术后下肢力线还没有形成明确共识。一些研究主张术后下肢力线应保持在中立位,而另一些研究认为即使术后下肢力线存在10°的内翻也可获得良好的临床效果。 | Sean E Slaven John P Cody Robert A Sershon Henry Ho Robert H Hopper Jr Kevin B Fricka 李亚坤(整理) 张民(整理) | 2020 | 实用骨科杂志2020,26,12: | 15 |
| 19 | 在血压控制不良的高血压患者中使用数字化干预的家庭和在线血压管理:随机对照试验显示文摘HOME BP试验(The home and online management and evaluation of blood pressure)的目的是评估在初级预防中结合自我监测和自我管理的数字化干预在高血压管理中的作用。研究者纳入英国76个治疗中心经过治疗但血压控制不好(>140/90 mm Hg, 1 mm Hg=0.133 kPa)并能上网的患者622例,进行自动确定主要终点的公开随机对照试验。 | McMa-nus RJ Little P Stuart B Morton K Raftery J Kelly J Bradbury K Zhang J Zhu S Murray E May CR Mair FS Michie S Smith P Band R Ogburn E AllenJ Rice C Nut-tall J Williams B Yardley L 陈嘉睿(译) 叶鹏(审校) | 2021 | 中华高血压杂志2021,29,5: | 15 |
| 20 | 含矿流体混合反应与成矿作用的动力平衡模拟研究显示文摘本文在约定热液体系中成矿元素成矿速率(成矿过程中单位时间内单位体积所含成矿元素重量的变化)的基础上,借助于物质-热-化学-成矿四重全耦合的研究思路,构建了均匀热液体系、层状热液体系、岩浆侵入热液体系下成矿元素的迁移、富集、溶解与沉淀作用数值模型。模拟结果表明:(1)硫化物(H_2S)和硫酸盐(SO_(42-))流体的混合反应是成矿热液体系中铅、锌、铁成矿元素成矿的重要控制因素;(2)均匀介质、岩浆侵入或地质构造的存在,对成矿元素在成矿流体运移的速度、流线、温度分布和成矿元素的溶解与沉淀分布都有着各自的特征,不同的成矿环境或成矿背景制约了成矿元素的迁移与富集以及矿体的产出定位。暗示成矿环境及成矿速率对热液体系中成矿元素的沉淀与溶解具重要作用;成矿流体的混合反应是成矿作用发生的重要机制之一。在成矿理论研究中必须充分考虑不同地质构造因素的约束。 | 林舸 C B ZHAO 王岳军 B E HOBBS 龚纪文 | 2003 | 岩石学报2003,19,2: | 15 |