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Objective To offer reference of the screening procedure for aircrew and astronaut selection.
目的探讨发作性头痛的脑波涨落图特征,为航空航天作业人员选拔提供参考方法。
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We investigated constituent of triterpenoid saponins ofAlbizzia, two new compounds together with two known compounds were isolated from Albizzia julibrissin Durazz. by using column chromatography (macroreticular resin, silica gel, Sephadex gel, reverse phase silica gel),preparative HPLC methods et al.On the basis of spectroscopic analysis, including IR,ESI-MS,~1H-NMR,~(13)C-NMR,HMBC,HMQC,~1H-~1HCOSY and chemical methods, the structure of two new compounds were identified as 3 - O -[β-D-xylopyranosyl(1→2)-β-D-fucopyranosyl (1→6)-β- D -2- deoxy - 2 - acetoamidoglucopyranosyl] -21-O-[(6S)-2- trans- 2,6-dimethyl - 6 - O-β- D - quinovopyranosyl -2,7- octadienoyl] - acacic acid- 28 - O-β-D-glucopyranosyl(1→3)[α-L-arabinofuranosyl(1→4)]-α-L-rhamnopyranosyl(1→2)-β-D-glucopyranoside acacic acid 3- O -β- D- glucopyranosy(1→3)-β- D- fucopyranosl(1→6) [β-D- xylopyranosyl (1→2)]-β-D-glucopyranoside ;two known compounds were acacic acid lactone 3- O -β-D- xylopyranosyl-(1→2)-β-D-fucopyranosl (1→6)- 2-deoxy -2 -acetoamido -β-D- glucopyranoside ; acacic acid lactone 3- O-β-D-xylopyranosyl(1→2)-α-L- arabinopyranosl (1→6)- 2- deoxy - 2- acetoamido -β-D-glucopyranoside . The study lays chemical foundation and chemical reference substance for enhancing quality standard of Albizzia julibrissin Durazz.
本研究论文在综述国内外对合欢属Albizzia三萜皂苷化学成分和药理作用研究进展的基础上,利用传统植化分离手段和现代分离技术,包括大孔树脂、硅胶、葡聚糖凝胶、反相硅胶等柱色谱,制备高效液相色谱法等技术从中药合欢皮中分离得到了4个化合物,其中,2个新化合物和2个己知化合物,并进一步通过现代分析技术IR,ESI-MS,~1H-NMR,~(13C-NMR,HMBC,HMQC,~1H-~1HCOSY等和化学方法鉴定了2个新化合物的结构分别是:3-O-[β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖基]-21-O-[(6S)-2-反式-2,6-二甲基-6-O-β-D-吡喃鸡纳糖基-2,7-辛二烯酸基]-金合欢酸-28-O-α-L-呋喃阿拉伯糖基(1→4)[β-D-吡喃葡萄糖基(1→3)]-α-L-吡喃鼠李糖基(1→2)-β-D-吡喃葡萄糖苷,金合欢酸3-O-β-D-吡喃葡萄糖基(1→3)-β-D-吡喃夫糖基(1→6)[β-D-吡喃木糖基(1→2)]-β-D-吡喃葡萄糖苷;2个已知化合物结构分别是:金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷,金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-α-L-吡喃阿拉伯糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷。
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Albright" should be eliminated, as should any reference which places the words physicist and nuclear in proximity.
奥尔布赖特应被淘汰,正如任何应参考哪些地方的话和核物理学家在接近。
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by summarizing and analysing the progress on studies of pharmacodynamic material basis of resuscitation-inducing aromatic herbs such as moschus,borneolum syntheticum,styrax,benzoinum, and exploring the generality of those herbs,to provide scientific reference for further studies on the relevance of common substance ,nature and the efficiency of restoring consciousness and inducing resuscitation of those herbs.the result indicates that those four resuscitation-inducing aromatic herbs mainly contain volatile oil ,and all contain alicyclic compounds; the volatile oil of borneolum syntheticum and styrax both contain sesquiterpenes of caryophyllene; as resin herbs , styrax and benzoinum both contain vanillin, resin ester and balsamic acid .
通过对芳香开窍药麝香、冰片、苏合香、安息香的药效物质基础研究进展的整理、分析,探索其共性,拟为深入研究该类药的共性物质—药性—开窍醒神效应之间的关联性提供科学参考。结果表明,四味芳香开窍药主含挥发油,均含有脂环化合物,并存在一些共有成分,如龙脑冰片与苏合香挥发油中均含有倍半萜类成分石竹烯;苏合香和安息香皆为树脂类中药,两者均含有香荚兰醛成分,尚含树脂酯,香脂酸等。
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Since there is nothing to suggest that she is evil, this is probably a reference to her bewitching voice as well being as a mildly clever alliteration.
既然没有任何事情证明她是邪恶的,那么用"魔法师"这个词,可能是在为了在和她的迷人歌喉一起提到时,灵活的用一下这个词的头韵。
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Finally, under the reference of previous literature, the thesis summarizes the methods of profits allocation between the corporations on the supply chain network.
论文归纳总结论了合作关系之间利益分配的一些方法,并跟踪成都大网物流公司做了案例分析。
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In addition beneficial to supplement as being project that allocation of risks study to BOT, this text main risk should summarize measure to BOT project also, offer the concrete reference on the method for control and sharing of the project risk.
此外,作为对BOT项目风险分担研究的有益补充,本文还对BOT项目中主要风险的应对措施进行总结,为项目风险的控制和分担提供方法上的具体参考。
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A speech sound considered without reference to its status as a phoneme or an allophone in a language .
音子、音素在语言中,不考虑其音素或音素的情况的声音
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The subject of the full text builds up and divides six major chapters together: Chapter 1 is the foreword, and has studied the current situation and refined and summarized to value and meaning of the selected title background of the thesis, selected title abroad synthetically; Chapter 2, have carried on science to define to the intension of responsibility and governments relevant concepts of responsibility, have explained that constructs the necessity of the responsibility government and realistic meaning; Chapter 3, ility the intension made of the responsibility has been carried on science solves and constructs, summarize the political function and basic principle of administration asking responsibility system, and the logic relation between administration asking and the responsibility government of the responsibility has been analysed scientifically; Chapter 4, has used the administrations of western countries for reference and administration asking responsibility system and high-ranking official asking system of Hong Kong area of our country and the successful experience, expect to the institutional improvement of the administration asking responsibility system of our country can be beneficial; The whole chapter 5, the current administration asking system of our country that has implemented the state and carried on objective analysis in responsibility system, have pointed out a series of questions and not complete places exposed in institutional improvement, and has carried on network analysis from two visual angles of the traditional political culture ecology and system factor aspect to the reason why the question emerges; Chapter 6, the responsibility system has carried on tentative countermeasure analysis and discussion in perfecting the administration of our country, separately from improving the environment of administration asking responsibility and reinventing the culture of administration asking responsibility, devoting more efforts to asking the responsibility in allosome, strengthen the related institutional improvement of administration asking responsibility system, etc.
全文主体架构共分6大章节:第1章为引言,对论文选题背景、选题价值与意义及国外内研究现状进行了综合提炼与概括;第2章,对责任和责任政府相关概念的内涵进行了科学界定,并阐述了构建责任政府的必要性和现实意义:第3章,对行政问责制的内涵进行了科学解构,概括了行政问责制的政治功能及其基本原则,并对行政问责制与建立责任政府的逻辑关系进行了科学分析;第4章,借鉴了西方国家行政问责制度及我国香港地区高官问责制的成功经验,以期对我国行政问责制度建设能有所裨益;第5章,对我国现行行政问责制度实施状况进行了客观分析,指出了在制度建设过程中暴露出来的一系列问题和不完善之处,并对产生这些问题的原因从传统政治文化生态及制度因素层面两个视角进行了系统分析;第6章,对健全和完善我国行政问责制度进行了尝试性的对策分析与探讨,分别从完善行政问责环境、重塑行政问责文化,加大异体问责的力度,加强行政问责制配套制度建设及行政问责制立法等角度提出了完善的措施和途径。
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Pierian : a . belonging to Pieria, a region of ancient Macedonia, the reputed home of the Muses, hence allusively in reference to poetry and learning.
使用 rather than 必须注意它所接名词或短语要用与主句的与之平行部分相同的形式,另外rather than 后加不定式 to do或不带to的不定式或动词过去式都有可能,只要主句有此结构。
- 相关中文对照歌词
- Hela Världen För Mig
- Din Första Kyss
- Sov Gott
- Fernando
- En Livstid I Krig
- Poltava
- Gott Mit Uns
- Karolinens Bön
- Ett Slag Färgat Rött
- Baksmälla
- 推荐网络例句
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As of Tuesday, Google's results were still censored in China.
截至周二,谷歌的搜索结果仍受中国审查。
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In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.
在这一过程中,人的主体性发挥是社会有机体健康发展的灵魂。
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Objective To investigate the relationship between the telomer ase activity and apoptosis in gastric cancer.
目的为了探讨胃癌组织中端粒酶与细胞凋亡的关系。