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| 1 | 注射用瑞替普酶(派通欣)治疗急性心肌梗死有效性及安全性临床研究显示文摘目的 对比观察瑞替普酶(派通欣)与重组组织型纤溶酶原激活剂(rt-PA)用于急性心肌梗死溶栓治疗的效果及安全性。方法 2001年11月-2002年5月,共有203例急性心肌梗死患者随机接受瑞替普酶或rt-PA溶栓治疗,观察溶栓再通率、急性期病死率、并发症及不良反应发生率。结果 溶栓后90min冠状动脉造影显示梗死相关血管再通率(TIMI 2级+TIMI 3级)瑞替普酶组为89.66%,rt-PA组为69.39%(P=0.0085)。35d时,瑞替普酶组的病死率为6.8%,rt-PA组的病死率为9.0%(P>0.05);脑出血发生率瑞替普酶组为0.97%,rt-PA组为3.00%(P>0.05);严重不良事件的发生率瑞替普酶组为7.76%,rt-PA组为10.00%(P>0.05);冠状动脉再闭塞瑞替普酶组1.94%,rt-PA组4.00%(P>0.05)。结论 瑞替普酶(派通欣)为国人治疗急性心肌梗死安全、有效的溶栓药物。 | 瑞替普酶(派通欣)Ⅱ期临床试验协作组 | 2004 | 中国心血管病研究2004,2,3: | 138 |
| 2 | 颈动脉粥样硬化疾病的处理美国血管外科学会临床实践指南显示文摘美国血管外科学会(SVS)任命了一个专家委员会制定颈动脉狭窄处理的循证临床指南。在制定临床实践推荐意见过程中,该委员会使用系统评价对当前最件的证据进行了总结,采用GRADE标准对推荐意见的强度(强烈推荐为GRADEI级,一般推荐为GRADEⅡ级)和证据的质量(高、中、低和极低)进行了分级。对于轻度颈动脉狭窄患者(有症状患者狭窄程度〈50%和无症状患者狭窄程度〈60%),推荐进行最佳的内科治疗而非血管重建术(I级推荐,高质量证据)。对于有症状中到重度狭窄患者(狭窄程度≥50%),推荐行颈动脉内膜切除术(CEA)+最佳的内科治疗(I级推荐,高质量证据)。对于围手术期风险高的有症状巾到重度狭窄患者(狭窄程度≥50%),建议采用颈动脉支架置入术作为其替代治疗手段(Ⅱ级推荐,低质量证据)。对于中到重度狭窄的无症状患者(狭窄程度≥60%),只要围手术期风险较低,就推荐行CEA+内科治疗(I级推荐,高质量证据)。对于中到重度狭窄的尢症状患者(狭窄稗度≥60%),不推荐行颈动脉支架置入术(I级推荐,低质量证据)。颈动脉狭窄≥80%但存在CEA高危解剖学风险的患者可能是一个例外。 | Robert W. Hobson, Ⅱ William C. Mackey Enrico Ascher M. Hassan Murad Keith D. Calligaro Anthony J. Comerota Victor M. Montori Mark K. Eskandari Douglas W. Massop Ruth L. Bush Brajesh K. Lal Bruce A. Perler 刘德志(译) 徐格林(译) 刘新峰(译) | 2008 | 国际脑血管病杂志2008,16,12: | 35 |
| 3 | 体育运动领域流畅状态的研究进展显示文摘流畅状态是一种理想的内部体验状态,在体育运动领域也被称之为个体从事活动的最佳体验。由于其可以为个体提供良好的心境状态,有助于促进个体对活动的内部动机,提高个体的活动效率,所以,流畅状态作为一个重要的研究领域在运动心理学的发展过程中发挥着重要的作用。拟对体育运动情境中流畅状态的心理特征、模型构建及研究方法进行详细的阐述;并对相关的研究成果加以评述,如流畅状态的跨文化普遍性,体育运动中流畅体验的倾向性差异,流畅-运动技能表现间的关系,影响流畅状态的因素及其相应的调控措施。在此基础上提出,本领域的未来发展应拓展对流畅状态心理特征的研究,即以那些处于非西方文化和西方文化中少数民族文化背景下的群体作为研究对象,进行不同背景的跨文化对比研究;同时,对流畅模型的进一步改进,以充实流畅状态的理论架构,也应成为未来研究的一个焦点;此外,通过目标设置等心理干预手段以促进运动员流畅状态的发生,以及为流畅状态与运动技能建立明确的中介模型,从而应用于运动技能提升的实践情境中也将是未来研究的新主题。 | 刘微娜 季浏 Watson ⅡJack C | 2009 | 体育科学2009,29,11: | 34 |
| 4 | 大陆深俯冲带中的水:来自大别山超高压榴辉岩的证据显示文摘采用Fourier变换红外光谱(FTIR)研究了大别山碧溪岭和双河地区超高压榴辉岩主要矿物中结构水在3000~4000cm^-1波段的红外光谱特征和含量。研究表明,超高压榴辉岩中绿辉石是最主要的结构水载体矿物(100~200μg/g);石榴石和石英基本不含或仅含微量的水;副矿物金红石可以含大量的结构水(〉1000μg/g);柯石英不显示结构水的特征峰,但存在明显的分子水特征谱。 | 章军锋 金振民 H. W. GreenⅡ 金淑燕 | 2000 | 科学通报2000,45,17: | 29 |
| 5 | 复方黄黛片治疗初诊急性早幼粒细胞白血病的Ⅱ期临床试验显示文摘目的进一步考察复方黄黛片治疗急性早幼粒细胞白血病(APL)的疗效和不良反应。方法通过区组、双盲双模、随机对照、多中心临床试验随机分组分出试验组和对照组。试验组:复方黄黛片,每次0.75~1.25 g,每日3次,根据胃肠道反应情况逐步加大剂量,到第10天,达到7.5 g/d,分3次服用。服复方黄黛片同时服用模拟全反式维甲酸胶囊每次10 mg,每日3次。对照组:模拟复方黄黛片每次0.75~1.25 g,每日3次,根据胃肠道反应情况逐步加大剂量,到第10天,达到7.5 g/d,分3次服用。服模拟复方黄黛片同时服用全反式维甲酸胶囊,每次10 mg,每日3次。试验组和对照组用药,达到完全缓解(CR)后停药。用药时间最长可延长到60 d。结果符合方案人群分析:试验组和对照组的CR率分别为96.7%和94.9%;意向治疗分析:试验组和对照组的CR率分别为80.8%和75.7%,差异无统计学意义(P>0.05)。试验组和对照组达CR所需时间,试验组[(48.95±8.97)d]长于对照组[(44.21±9.28)d],两组间差异有统计学意义。试验组和对照组治疗中不良反应发生率分别为39.7%和32.9%,两组差异无统计学意义。试验药物主要不良反应为胃肠道反应、皮疹、肝功能异常等;而对照药物不良反应主要为胃肠道反应,肌肉、关节、骨骼疼痛,皮疹以及发热等。结论复方黄黛片疗效和全反式维甲酸相近,对初治APL有较高的CR率和很好的耐受性。 | 复方黄黛片Ⅱ期临床试验协作组 钱林生 赵耀中 | 2006 | 中华血液学杂志2006,27,12: | 27 |
| 6 | 胰岛素样生长因子-Ⅰ经鼻给药可进入中枢神经系统并有效治疗实验性脑梗死显示文摘目的 寻找无创、简便有效的中枢给药方法 ,将胰岛素样生长因子 (IGF Ⅰ )直接运送到脑损伤区并避开血脑屏障 (BBB)的阻断。方法 制作大鼠大脑中动脉闭塞 (MCAO)脑缺血再灌流模型 ,应用12 5I标记IGF Ⅰ (5 0 μg ,2 5 μCi)和放射自显影等技术 ,比较经鼻嗅觉通路 (IN)和经静脉 (IV)注射IGF Ⅰ后 4 5min时 ,放射性标记的IGF Ⅰ在各脑区、颈髓、脑脊液、血和周围组织中的定量和定性分布 ,并观察IN和IVIGF Ⅰ对局灶性脑梗死的治疗效果。结果 IN组脑部各区域、颈髓和CSF中的12 5I IGF Ⅰ浓度较IV组显著高出 8~ 16 6倍 (P <0 0 1) ,以嗅球的IGF Ⅰ浓度最高 ,其次为CSF和丘脑 ,且IN 5 0 μgIGF Ⅰ与媒介液对照组比较显著降低脑梗死体积达 6 2 %以上 (P =0 0 0 4 ) ,而IV给予同样剂量的IGF Ⅰ却不能明显减轻脑梗死体积。结论 经鼻嗅觉通路的给药方法可以避开BBB的阻碍 ,迅速地将IGF Ⅰ递送到中枢神经系统 (CNS) ,使CNS获得显著提高的IGF Ⅰ浓度 ,并对脑梗死的修复起到良好的效果。 | 刘新峰 管亚东 周国庆 William HFrey Ⅱ | 2004 | 中华神经科杂志2004,37,2: | 21 |
| 7 | 全球土地利用与土地覆被变化:进行综合研究显示文摘人类活动正以空前的速度、幅度和空间规模改变着陆地环境。人类对土地的利用所引起土地覆被变化是全球环境变化的主要原因和重要组成部分。目前不仅有关土地利用和土地覆被变化的全球性数据比较缺乏,而且我们还需要更为深入地了解造成这些变化的基本驱动力。虽然到目前已经提出了多种具有显著作用的驱动力,但对土地改变的单因素解释已证明是不够的。人类引起变化的原因是如何相互作用,在什么环境下某个因素的作用是重要的,这些都是需要系统研究的问题。当前正通过一些密切相关的研究重点而制定一项阐明这些问题的国际性跨学科规划。根据环境的一般状态、人类驱动力和土地覆被动态,将世界划分成几部分,然后对每部分的状态下发生的各种作用过程进行仔细研究。其成果将成为共同努力开发的全球土地模型的基础,该土地模型能对土地改变模式做出预测。 | B.L.TurnerⅡ William B.Meyer David L.Skole 陈百明 | 1994 | 人类环境杂志1994,23,1: | 18 |
| 8 | 卡铂Ⅱ期临床研究报告显示文摘由中山医科大学肿瘤医院为负责单位,8个单位组成协作组,对山东医科院药物所研制的卡铂(Carboplatin)进行了Ⅱ期临床研究。受试的各类确诊癌症患者共359例,包括肺癌,头颈癌,妇科癌,睾丸癌等。其中单用卡铂治疗205例,14例获CR,54例获PR,总缓解率31.71%,初治病例106例,单用卡铂其总缓解率为39.6%,以卵巢癌、睾丸癌、小细胞肺癌及初治的鼻咽癌等疗效最为显著。另154例系联合化疗,分别用DDP联合化疗(其他药物种类及剂量相同)作对照,结果证明总缓解率分别为:小细胞肺癌72.5%,睾丸癌80%,卵巢癌45.5%,鼻咽癌58.3%,与相应的PDD联合化疗组对照缓解率均无显著差异(P>0.05),毒付反应对比则胃肠道反应比顺铂联合组为轻(P<0.05),血液毒性无大差异(P>0.05)。结论表明,卡铂有肯定的抗肿瘤活性,其疗效与DDP相当而胃肠道反应较轻,且不需水化而无明显肾毒性,易为患者所耐受。主要毒副反应为骨髓毒性。 | 卡铂(山东省医学科学院药物研究所制品)Ⅱ期临床试验协作组 | 1990 | 癌症1990,9,6: | 17 |
| 9 | Proton pump inhibitor administration delays rebleeding after endoscopic gastric variceal obturation显示文摘AIM:To clarify the efficacy of proton pump inhibitors(PPIs)after endoscopic variceal obturation(EVO)with N-butyl-2-cyanoacrylate.METHODS:A retrospective study was performed on16 liver cirrhosis patients with gastric variceal bleeding that received EVO with injections of N-butyl-2-cyanoacrylate at a single center(Kyung Hee University Hospital at Gangdong)from January 2008 to December 2012.Medical records including patient characteristics and endoscopic findings were reviewed.Treatment results,liver function,serum biochemistry and cirrhosis etiology were compared between patients receiving PPIs and those that did not.Furthermore,the rebleeding interval was compared between patients that received PPI treatment after EVO and those who did not.RESULTS:The patient group included nine males and seven females with a mean age of 61.8±11.7years.Following the EVO procedure,eight of the 12patients that received PPIs and three of the four nonPPI patients experienced rebleeding.There were no differences between the groups in serum biochemistry or patient characteristics.The rebleeding rate was not significantly different between the groups,however,patients receiving PPIs had a significantly longer rebleeding interval compared to non-PPI patients(22.2±11.2mo vs 8.5±5.5 mo;P=0.008).The duration of PPI use was not related to the rebleeding interval.A total of six patients,who had ulcers at the injection site,exhibited a shorter rebleeding interval(16.8±5.9 mo)than patients without ulcers(19.9±3.2 mo),though this difference was not statistically significant.CONCLUSION:PPI therapy can extend the rebleeding interval,and should therefore be considered after EVO treatment for gastric varices. | Won Seok Jang Hyun Phil Shin Joung Ⅱ Lee Kwang Ro Joo Jae Myung Cha Jung Won Jeon Jun Uk Lim | 2014 | World Journal of Gastroenterology2014,20,45: | 17 |
| 10 | 静脉及口服美托洛尔对急性心肌梗死住院患者血压与心率的影响(中国心脏研究-Ⅱβ阻滞剂预试验报告)显示文摘目的评估β阻滞剂美托洛尔对急性心肌梗死(AMI)住院患者血压及心率的影响。方法人选发病24h内可疑AMI的住院患者,且无研究药物明确禁忌证的。将人选对象随机分为8阻滞剂美托洛尔治疗组或相应安慰剂组。首先静脉注射美托洛尔或安慰剂5mg,间隔2~3min后,再注射5mg,注射3次共15mg;然后美托洛尔/安慰剂口服第1天为50mg,4次/d,第3天起为200mg,1次/d。疗程最长4周或出院。主要研究指标是血压、心率、其他不良反应、病死率及其他并发症。结果1999—11—2000-05,10家大中医院完成预试验研究236例,其中随机分到美托洛尔治疗组120例,安慰剂对照组116例。治疗前两组患者基础临床特征相似。当天进行静脉注射的美托洛尔与安慰剂组分别为100%与99.2%,完成3支静脉注射的为87.9%与95.8%;住院期提前停用的为24.4%与13.6%。治疗后,美托洛尔组低血压、心动过缓发生率均明显高于安慰剂组(P≤0.05~0.01);两组总病死率(7.8%VS8.4%)相似(P=0.86),其他并发症也无明显差异。美托洛尔静注及口服后治疗组心率明显均低于对照组(P〈0.01),血压略低于安慰剂组。结论美托洛尔早期治疗AMI住院患者低血压及心动过缓发生率较高。 | 王文 谢晋湘 蒋立新 陈铮鸣 刘力生 中国心脏研究-Ⅱ(CCS-2)协作组 | 2006 | 高血压杂志2006,14,4: | 15 |
| 11 | 橄榄石显微构造和中国东部上地幔流动应力显示文摘笔者对中国东部11个玄武岩产地的幔源包体(尖晶石或石榴石二辉橄榄岩)显微构造研究结果表明,橄榄石位错构造类型与目前世界上其它地方报道成果和高温高压岩石变形实验资料是相似的。橄榄石亚颗粒(100)、(001)分布广泛,形状规则,它是中国上地幔中典型稳态显微构造。大部分样品中,亚颗粒大小显示对数正态分布,计算说明中国东部上地幔高温蠕变流动应力为10~50MPa,局部地区伴随有较高差异应力,120~170MPa。低温高应变率{110}滑移条带在成因上与深源断层有关,但主要与幔源包体萃取过程有关。 | 金振民 H.W.GreenⅡ R.S.Borch | 1989 | 地球科学(中国地质大学学报)1989,14,S1: | 10 |
| 12 | 骨岛(内生骨疣)的影像学和病理学特征回顾显示文摘骨岛(内生骨疣)的影像学和病理学特征回顾AdamGreenspan,M.D.BoneIsland(Enostosis):AReviewofImagingandPathologicCharacteristics¥AdamGreenspan,M.D.De... | Adam Greenspan,M.D.Department of Diagnostic Radiology,(University of California,Davis Medical Center 2516 Stockton Blvd.,Ticon Ⅱ Sacramento,CA 95817,U.S.A.) | 1996 | 临床放射学杂志1996,15,2: | 10 |
| 13 | Randomized controlled trial of sodium phosphate tablets vs polyethylene glycol solution for colonoscopy bowel cleansing显示文摘AIM:To compare efficacy,patient compliance,acceptability,satisfaction,safety,and adenoma detection rate of sodium phosphate tablets(NaP,CLICOLONTM)to a standard 4 L polyethylene glycol(PEG)solution for bowel cleansing for adults undergoing colonoscopy.METHODS:In this multicenter,randomized,prospective,investigator-blind study,the relatively young(19-60years)healthy outpatients without comorbidity were randomly assigned to one of two arms.All colonoscopy were scheduled in the morning.The NaP group was asked to take 4 tablets,5 times the evening before and4 tablets,3 times early on the morning of the colonoscopy.The PEG group was asked to ingest 2 L of solution the evening before and 2 L early in the morning of the procedure.Adequacy of bowel preparation was scored using the Boston bowel preparation scale.RESULTS:No significant differences were observed between the NaP group(n=158)and PEG group(n=162)in bowel cleansing quality(adequate preparation93.0%vs 92.6%,P=0.877),patient compliance(P=0.228),overall adverse events(63.3%vs 69.1%,P=0.269),or adenoma detection rate(34.8%vs 35.2%,P=0.944).Patient acceptability,satisfaction,and patient rating of taste were higher in the NaP group than in the PEG group(P<0.001).CONCLUSION:NaP tablets,compared with PEG solution,produced equivalent colon cleansing,did not cause more side effects,and had better patient acceptability and satisfaction in the relatively young(age<60years)healthy individuals without comorbidity.An oral tablet formulation could make bowel preparation less burdensome,resulting in greater patient participation in screening programs. | Yoon Suk Jung Chang Kyun Lee Hyo Jong Kim Chang Soo Eun Dong Soo Han Dong Ⅱ Park | 2014 | World Journal of Gastroenterology2014,20,42: | 9 |
| 14 | POLYNOMIAL INVERSE INTEGRATING FACTORS显示文摘Let (P, Q) be a C1 vector field defined in an open subset U IR2. We call inverse integrating factor a C1 solution V(x, y) of the equation . In previous works it has been shown that this function plays an important role in the problem of the center and in the determination of limit cycles. In this paper we obtain necessary conditions for a polynomial vector field (P, Q) to have a polynomial inverse integrating factor. | J.Chavarriga, H.Giacomini & J.Gine (Departament de Matematica, Universitat de Lleida. Av. Jaume Ⅱ, 69, 25001 Lleida,Spain Laboratoire de Mathematiques et Physique Theorique C.N.R.S. UPRES A6083. Faculte des Sciences et Techniques. Universite de Tours. P | 2000 | Annals of Differential Equations2000,16,4: | 8 |
| 15 | 颅外段颈动脉疾病筛查指南——美国神经影像学学会多学科实践指南委员会向医疗卫生专业人员的声明:血管和介入神经病学学会共同倡议显示文摘这份新声明旨在普通人群和经过选择的患者亚群中针对无症状颈动脉狭窄的筛查提供全面和及时的循证推荐。这些推荐针对下列群体:普通人群中的高危者;接受心脏直视手术(包括冠状动脉旁路术)的患者;外周血管病、腹主动脉瘤和。肾动脉狭窄患者;头颈部恶性肿瘤放射治疗后患者;颈动脉内膜切除术或支架置入术后患者;视网膜缺血综合征患者;晕厥、头昏、眩晕或耳鸣患者;有血管病家族史和高同型半胱氨酸血症的患者。这些推荐是在患病率、预期益处和在经过选择的人群中来自其他专业组织的当前指南基础上做出的。 | Adnan Ⅰ. Qureshi Andrei V. Alexandrov Charles H. Tegeler Robert W. Hobson Ⅱ J. Dennis Baker L. Nelson Hopkins 陈红兵(译) 刘新峰(译) | 2007 | 国际脑血管病杂志2007,15,4: | 8 |
| 16 | 一分聚脲 九分施工显示文摘给出了聚脲的科学定义,介绍了聚脲的成膜机理、施工隐患及解决方案。 | 黄微波 Dudley J.Primeaux Ⅱ | 2008 | 上海涂料2008,46,6: | 8 |
| 17 | Pancreatic cancer: Advances in treatment显示文摘Pancreatic cancer is a leading cause of cancer mortality and the incidence of this disease is expected to continue increasing.While patients with pancreatic cancer have traditionally faced a dismal prognosis,over the past several years various advances in diagnosis and treatment have begun to positively impact this disease.Identification of effective combinations of existing chemotherapeutic agents,such as the FOLFIRINOX and the gemcitabine+nab-paclitaxel regimen,has improved survival for selected patients although concerns regarding their toxicity profiles remain.A better understanding of pancreatic carcinogenesis has identified several pre-malignant precursor lesions,such as pancreatic intraepithelial neoplasias,intraductal papillary mucinous neoplasms,and cystic neoplasms.Imaging technology has also evolved dramatically so as to allow early detection of these lesions and thereby facilitate earlier management.Surgery remains a cornerstone of treatment for patients with resectable pancreatic tumors,and advances in surgical technique have allowed patients to undergo resection with decreasing perioperative morbidity and mortality.Surgery has also become feasible in selected patients with borderline resectable tumors as a result of neoadjuvant therapy.Furthermore,pancreatectomy involving vascular reconstruction and pancreatectomy with minimally invasive techniques have demonstrated safety without significantly compromising oncologic outcomes.Lastly,a deeper understanding of molecular aberrations contributing to the development of pancreatic cancer shows promise for future development of more targeted and safe therapeutic agents. | Somala Mohammed George Van Buren Ⅱ William E Fisher | 2014 | World Journal of Gastroenterology2014,20,28: | 8 |
| 18 | Linkage of microbiota and osteoporosis:A mini literature review显示文摘The gut microbiota(GM) has become a recent topic of interest in the role of many disease states. Assessing patients with osteoporosis(OP), there is a strong correlation between gut microbe dysregulation and decreased bone density. Gut dysbiosis may lead to inflammation, dysregulation of nutrient and calcium transport across the intestine into circulation and systemic inflammation.Investigation of microbial profile relative to normal gut microbiomes, assessment of inflammatory markers such as interleukin-1(IL-1), IL-6, and tumor necrosis factor-alpha. Therapies to normalize GM in patients with OP or prevent occurrence of OP to be investigated include: High fiber prebiotic diets to promote growth of normal gut bacteria and short chain fatty acid production, Probiotics to encourage growth of normal gut microbes, and antibiotic treatment followed by fecal matter transplant. | David Yatsonsky Ⅱ Karen Pan Vithal B Shendge Jiayong Liu Nabil A Ebraheim | 2019 | World Journal of Orthopedics2019,10,3: | 7 |
| 19 | 流畅状态的认知干预:目标设置显示文摘目标设置与流畅状态间存在着中高级的相关,这一关系很可能是源于目标设置的认知功能。以2min5点定点投篮(篮球)作为活动任务,以修订的中文版《特质流畅量表-2》和《状态流畅量表-2》作为测量工具,采用2(目标定向:自我/任务定向)×3(目标难度:容易/中等难度/困难)实验设计,探讨目标定向和目标难度对流畅状态的影响。结果表明:实验后,实验组受试的特质流畅和状态流畅得分显著高于控制组受试:目标定向对特质流畅和状态流畅的主效应均达显著水平,任务定向高于自我定向;目标难度对特质流畅和状态流畅的主效应均达到显著水平,中等难度目标优于容易目标和困难目标。 | 刘微娜 季浏 Watson Ⅱ Jack C | 2013 | 上海体育学院学报2013,37,2: | 7 |
| 20 | Studies on the solid state reactions of coordination conpounds——XLⅤⅢ.The effect of KSCN on the thermal decomposition of cobalt(Ⅲ)-ammine complexes显示文摘The evolved gaseous analysis (EGA),infrared spectra,and XRD have been appliedto the study of solid state reactions of KSCN with five cobalt(Ⅲ)-ammine complexes:[Co-(NH3)5N3]Cl2,[Co(NH3)5(NO2)]Cl2,[Co(NH3)5(H2O)]Cl3,[Co(NH3)5Cl]Cl2,and [Co(NH3)6]Cl3in a hydrogen atmosphere.It is found that the existence of KSCN shifts the thermal decom-position of these complexes to a lower temperature.The corresponding peak temperatures arenear 140℃.The effect of KSCN is discussed and kinetic parameters of deammine reactionsare calculated. | ZHENG,Li-Min XIN,Xin-Quan Coordination Chemistry Institute,Nanjing University,Nanjing 210008 Part XLVⅡ of this series:Chin.J.Chem.,11,21(1993) | 1993 | Chinese Journal of Chemistry1993,11,3: | 7 |