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- OBJECTIVE To study the protective effect of tetramethyl pyrazine (TMP) on cyclophosphamide injured mice. 目的:考察川芎嗪對小鼠環(huán)磷酰胺損傷的保護作用。
- However, related data show that besides Maillard reaction, the microbial metabolic pathway, the protein and amino acids healing processes can also produce pyrazine compounds. 但據有關(guān)資料表明，除了“美拉德反應途徑”外還有“微生物代謝產(chǎn)物途徑、蛋白質(zhì)加熱分解途徑和氨基酸類(lèi)的加熱分解途徑”也可以產(chǎn)生吡嗪類(lèi)化合物。
- The ether soluble compounds of the reaction product were analyzed by GC/MS.The major iden tified compounds were pyrazine and furan compounds. 該反應產(chǎn)物的醚溶性成分經(jīng)GC／MS分析顯示，其主要成分為吡嗪類(lèi)和呋喃類(lèi)化合物。
- The results showed that there existed typical Maillard reaction product including pyrazine, thiazole, sulfur-containing compounds and so on. 結果分析表明，反應液存在典型的美拉德反應產(chǎn)物如吡嗪、噻唑、含硫化合物等。
- The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found. 利用相轉移催化法合成香料2-甲基-3甲氧基吡嗪,并對其反應條件進(jìn)行探討,找到較佳的反應條件。
- The variety and high content of pyrazine compounds in Maotai-flavor liquor are regarded as the products of Maillard reaction so far. 摘要迄今為止，普遍認為醬香型白酒中種類(lèi)眾多、含量很高的吡嗪類(lèi)化合物是通過(guò)美拉德反應途徑產(chǎn)生的。
- Furthermore, self-assembly of citric acid with Co, Ni, Cu or Zn has been conducted with pyrazine acting as base and/or the second ligand. 在考慮到乙酸根在以上一些合成實(shí)例中的重要作用后，我們采用了乙酰丙酮原位分解生成乙酸根的反應，以期螯合稀土金屬離子的部分配位點(diǎn)，減小稀土有機多羧酸結構的交聯(lián)度。
- However, related data show that besides Maillard reaction, the microbial metabolic pathway, the protein and amino acids heating processes can also produce pyrazine compounds. 但據有關(guān)資料表明,除了"美拉德反應途徑"外還有"微生物代謝產(chǎn)物途徑、蛋白質(zhì)加熱分解途徑和氨基酸類(lèi)的加熱分解途徑"也可以產(chǎn)生吡嗪類(lèi)化合物。
- Quasiclassical trajectory calculations (QCT) of the energy transfer between highly vibrationally excited pyrazine (C4N2H4) and N2, O2, NH3, and ground state C4N2H4 were performed respectively. 用準經(jīng)典軌線(xiàn)(QCT)方法計算了高振動(dòng)激發(fā)態(tài)吡嗪(C4N2H4)與N2、O2、NH3、基態(tài)吡嗪之間的碰撞傳能.
- Vanadium complexes with catecholate or pyrazine 2-carboxylate ligands were prepared and characterized by Fourier transform infrared spectroscopy, 1H nuclear magnetic resonance spectroscopy, ultraviolet-visible spectroscopy, and elemental analysis. 制備了含苯磷二酚配體或吡嗪－2-羥酸酯配體的釩配合物，并運用傅里葉變換紅外光譜、核磁共振譜、紫外－可見(jiàn)光譜及元素分析對其進(jìn)行了表征。
- Based on quantum chemistry calculative methods,the geometric structure,stability and frontier molecular orbital of benzene,pyridine,pyridazine,pyrimidine and pyrazine are discussed in this paper. 采用量子化學(xué)計算方法討論了苯及其吡啶、噠嗪、嘧啶、吡嗪5個(gè)分子的幾何構型、穩定性和前線(xiàn)分子軌道。
- Sesame-flavor liquor has elegant and enjoyable complex aroma which are composed of pyrazine compounds(main body) and furan,phenols,thiazole and sulfur compounds(auxiliary substances). 芝麻香型白酒的芝麻香是以結構不同的吡嗪類(lèi)化合物為主體,輔以呋喃類(lèi)、酚類(lèi)、噻唑、含硫化合物等共同構成的典雅、舒適、芳香、怡人的復合香氣。
- Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed. 介紹了一些重要的吡嗪類(lèi)雜環(huán)香料及各自的特征香氣,并綜述了此類(lèi)化合物的一般合成法。
- A Quantum Chemistry Study of Pyridine, Pyrazine and Triazine 吡啶、吡嗪和均三嗪的量子化學(xué)理論研究
- Advance in Energetic Compounds Derived from Pyrazole and Pyrazine 吡唑及吡嗪類(lèi)含能化合物研究進(jìn)展
- Keywords Pyrazine;Photophysics;Proximity effect;Isomerization; 吡嗪;光物理;鄰近效應;異構化;
- Keywords cuprous chloride;pyrazine;hydrothermal;crystal structure; 氯化亞銅;吡嗪;水熱;晶體結構;
- pyrazine Flavor;Alphabetical Listings;Flavors and Fragrances; 相關(guān)類(lèi)別: 吡啶類(lèi)香料;
- Keywords pyrazine;high temperature;Maillard reaction;microorganism; 吡嗪;高溫;美拉德反應;微生物;
- Keywords pyrazine derivatives;electronic structure;DFT method; 吡嗪衍生物;電子結構;DFT方法;
