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Sixteen thiazole-bearing compounds were designed and synthesized as dipeptidyl peptidase IV inhibitors, and characterized by IR, 1H NMR, 13C NMR and HR-MS techniques.
设计并合成了16个含噻唑环的二肽基肽酶IV抑制剂,利用IR, 1H NMR, 13C NMR和HR-MS表征了它们的结构。
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Dose type used to revision of media"s pH, peptonization intensity of media, temperature, high temperature and pressure pasteurization are factors of media"s pH; Sterilizing time, volume of media, content of pledget, NaCl,CaCl2,sucrose and active carbon can Iead to the lowing of MS medias pH after high temperature and pressure pasteurization; The influencing trend and extent of every factor is different obviously.8 Study on media simplification experiment.
影响培养基pH值因素的研究培养基pH值校正试剂、胨力强度、温度、高温高压灭菌都是影响pH值变动的重要因素;灭菌时间、培养基体积、以及培养基内脱脂棉、NaCl、CaCl_2、蔗糖及活性炭等的含量等,能在高温高压灭菌过程中引起MS培养基pH值下降;各因素对pH值变动的影响趋势和程度明显不同。
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Using UV, IR, NMR, GC-MS, periodate oxidation, Smith degradation and methylation reaction, the primary structure of MOPI-3 was identified.
通过UV、IR、NMR、GC-MS、高碘酸氧化、Smith降解和甲基化等物理化学方法对MOPI-3的纯度、理化性质和组成结构进行表征。
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By steam distillation and petroleum ether extraction,respectively,and the chemical constituents of the volatile oils were analyzed and identified by GC-MS.
分别采用水蒸气蒸馏和石油醚萃取法提取白花茵陈中的挥发油,并通过GC-MS对其化学成分进行了分析鉴定。
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Study on the lithology and petrology (fine-grained cold-quenching ring of the enclaves, the reverse vein, the complex enclaves, the plagioclase phenocryst from both host rock and enclaves that is consist on the crystal form, composition and light, et al.), petrogeochemistry (Y/Nb=2.77~6.82, La/Nb=0.91~4.33, Ba/Nb=0.13~37.86, et al.), Sr and Nd isotope most ISr between 0.7031~0.7041,εNd(t=5.2~7.1 and LA-ICP-MS zircon U-Pb dating (the host rock age is 311±12Ma, and enclaves is 306±7Ma), believe the Huangyangshan pluton is crust-mantle hybrid genesis.
通过岩石学和岩相学(包体细粒淬冷边,反向脉,复合包体以及寄主岩石和包体中斜长石斑晶在形态、成分、光性上的一致性等),岩石地球化学(Y/Nb=2.77~6.82,La/Nb=0.91~4.33,Ba/Nb=0.13~37.86等),Sr和Nd同位素(ISr多数在0.7031~0.7041,εNd在5.2~7.1之间)以及LA-ICP-MS锆石U-Pb测年(寄主岩石为311±12Ma,包体为306±7Ma)综合研究认为黄羊山花岗岩是壳-幔源岩浆混合成因的。
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The most parts of thesis as follows:1. Five symmetrical intra-molecular charge transfer oligomeric phenylene vinylene light emitting materials were designed and synthesized using oligomeric phenylene vinylene as a framework.2. The structures of target molecule were characterized by ~1HNMR,~(13)CNMR, IR, MS and element analysis.3. In order to study the influence of the location and numbers of electron-donor and electron-acceptor on their photoelectric performance by changing length of OPV chain, the UV spectra and fluorescence spectra of target compounds has been compared. We have researched into main factors effecting on material emitting red-shift; organic electroluminescence device was prepared using the compound P4. The capability of eletroluminescence was researched.4. The photoelectric properties of P4 was explained by quantum chemical calculation (the Gaussian 98 quantum chemistry program). It is greatly contributed know the whole process of charge transfer to guide the design of red emitters.
本文研究的内容主要包括以下部分:(1)设计并合成5个对称的以齐聚苯乙烯类为骨架的分子内电荷转移型齐聚苯乙烯类发光材料;(2)通过IR,MS,~1H-NMR,~(13)C-NMR和元素分析对所合成的目标化合物进行表征;(3)通过对目标化合物的紫外光谱和荧光光谱比较分析,研究改变OPV的长度,电子给体和电子受体的位置及数量对其光电性能的影响,探讨材料发射红移的主要因素;选取性能良好的目标化合物P4制备成OELD器件,对其电致发光性能进行研究;(4)运用Gaussian98量子化学程序包,采用量子化学方法对目标化合物P4的光电性能从理论加以解释,进一步认识荷移跃迁的整个过程,为红光材料的设计加以指导。
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In chapter three, a study was conducted to establish a HPLC/ESI/MS methodology for simultaneously determining trace monoadenosine and diadenosine monophosphate in a model reaction between N-(O, O-diisopropyl) phosphoryl alanine and adenosine.
对地塞米松磷酸钠的ESI/MS参数进行了优化,探讨了DexP的质谱裂解规律,研究建立了DexP在不受豚鼠外淋巴液背景干扰情况下的HPLC分离分析条件。
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Methods MSK-2 and MS mediums were used to induce gametophyte into callus tissues, and fuzzy comprehensive evaluation method was used to assess the optimal phytohormone combination.
方法用MSK2和MS培养基对地钱配子体进行愈伤组织诱导,运用模糊评判对MSK-2培养基生长激素组合进行综合性状评价。
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NMR and ESI-MS techniques were used to study the interactions between diperoxovanadates and small organic molecules such as pyridine, imidazole, arginine, picoline ester, and picoline amide. Spectroscopic methods were established to explore this type of interactions.
在合成数种双过氧钒化合物的基础上,利用多种NMR技术结合ESI-MS等谱学方法系统研究了双过氧钒化合物和咪唑、吡啶、取代吡啶、精氨酸、皮考啉酯以及皮考啉酰胺等有机配体的相互作用,建立了一套适合研究过氧钒化合物与有机小分子相互作用的谱学方法。
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Few third-party applications were available, but the Windows 1.0 package included MS-DOS Executive, Calendar, Cardfile, Notepad, Terminal, Calculator, Clock, Reversi, Control Panel, PIF Editor, Print Spooler, Clipboard, RAMDrive, Windows Write and Windows Paint.
虽然第三方可用的应用软件很少,但在 Windows 1.0程序包中,有 MS-DOS 命令执行程序、日历、卡片盒、记事本、终端、计算器、时钟、黑白棋、控制面板、 PIF编辑器、假脱机打印程序、剪贴板、虚拟磁盘、 Windows 字处理器和 Windows 画图工具。
- 相关中文对照歌词
- Me & Ms Pain
- No Lastimes Más
- Qué Más Da
- Un Juego Más
- Dibujando Un Corazón (Más Allá)
- Nada Más Quien Piensas
- Este Muerto No Llevo Más
- Ms
- Ms. Bird
- Dale Más Duro
- 推荐网络例句
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We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.
索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。
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The relationship between communicative competence and grammar teaching should be that of the ends and the means.
交际能力和语法的关系应该是目标与途径的关系。
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This is not paper type of business,it's people business,with such huge money involved.
这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。