查询词典 di-phthalate
- 与 di-phthalate 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Gelucire 44/14 was proided by Gattefossé(Saint-Priest,France). Gelucire 44/14 is a glyceryl behenate with a fraction of 12%–18% mono-, 52%–54% di-, and 28%–32%triglycerides, and has a melting point of 44C.
单硬脂酸甘油酯44/14是由法国的佳法赛公司提供,它是由山萮酸甘油酯和12%–18%的单甘油酯、52%–54%的二甘油酯、28%–32%的三甘油酯组成的,熔点是44摄氏度。
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A novel liquid crystalline compound named p-phenylenediamine di 4-[2- benzamide] was synthesized from allyl 2-hydroxyethylether, ethyl 4-hydroxybenzoate and p-phenylenediamine.
以乙二醇单烯丙基醚、对羟基苯甲酸乙酯、对苯二胺为原料合成了末端为不饱和双键的芳香聚酰胺溶致型液晶化合物——二对烯丙氧基乙氧基苯甲酰对苯二胺,最佳合成的摩尔比为∶羧酸∶对苯二胺∶吡啶=2。
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2,7-di-diphenylamine-spiro[fiuorene -7,9'-benzofluorene] was successfully synthesized .Its structure was determined by 1HNMR、MS、IR and Elemental Analysis.Yield of each reaction was more than 70%.
设计并合成了一种新型的含二苯胺基团的螺芴化合物2,7-双二苯胺-螺环-[芴-7,9'-苯并芴],并通过了1HNMR、MS、IR、元素分析图谱检验,每步反应的产率均在70%以上。
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It is shown that as the third eomponent of the catalyst di-methylaniline is the best,tetramethylthiuram disulfide or triethylamine the next.and benzothiazole the worst.
结果指出,作为催化剂第三组分以二甲基苯胺的效果最好。催化体系中存在与磷酸相等克分子的水时催化活性较高。
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Two benzothiazole ester compounds containing boron with different alkyl chain, Di-n-hexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester (BNS-1) and Dicyclohexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester(BNS-2), were synthesized and their tribological performance as additives in rapeseed oilwas investigated using a four-ball testing machine.
合成了两种含不同烷基链的含硼苯并噻唑酯类化合物,即二正己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-1)和二环己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-2)。
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The best operational parameters were that the reaction temperature was 105℃, the reaction time was 3 hours, the mixture ratio of n: n=1:2.79, using N,N-dimethyl benzylamine as catalyst, and 2,6-Di-tert-buthyl-p-cresol as inhibitor.
结果表明,合成TGICA的最优化条件为:n/n=l:2.79;催化剂为N,N-二甲基苯胺;阻聚剂为2,6-二叔丁基对甲酚;反应温度(105±2)℃;反应时间3h。丙烯酸的转化率可达到99.7%。
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Di(3,4-dimethyl)benzylidene xylitol as synthesized in the lab from 3,4-dimethyl benzaldehyde and xylitol, and a series of polypropylene samples were prepared based on the amount of the nucleating agent, DMDBX used.
以3,4-二甲基苯甲醛和木糖醇为原料合成1,3-2,4-二(3,4-二甲基)亚苄基木糖醇,将DMDBX作为成核剂使用溶液沉淀法制备DMDBX质量分数分别为0、0.1%、0.3%、0.5%、0.7%、0.9%的聚丙烯样品,采用红外光谱仪、差示扫描量热仪、X射线衍射仪和偏光显微镜等方法,研究了DMDBX对PP结晶结构和结晶性能的影响。
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Its structure was characterized by FT-IR, 1H NMR and MS. Solubility data of betulin and 3, 28-di-O-glutaryl-betulin in acetone, ethanol, water and phosphate-buffered saline (PBS, pH value 7.4) were determined by equilibrium method.
采用FT-IR、1H NMR和MS对产物进行结构表征,并且选用平衡法测定了桦木醇和桦木醇戊二酸酯在丙酮、无水乙醇、水和磷酸盐缓冲溶液(PBS, pH值7.4,)等不同溶剂中的溶解度。
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To improve water solubility of betulin, two acyl groups were introduced at C-3 and C-28 hydroxy groups of betulin. 3, 28-di-O-glutaryl-betulin was synthesized with pyridine as solvent and DMAP as catalyst from betulin and glutaryl anhydride.
为了增强桦木醇的亲水性,对桦木醇的C-3位、C-28位羟基进行修饰,在吡啶作溶剂、二甲基氨基吡啶作催化剂的条件下,与戊二酸酐反应合成桦木醇戊二酸酯。
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The chiral polymer P-1 shows strong blue fluorescence due to the extended π-electronic structure between the chiral repeating unit-6,6'-di(4-trifluoromethyl-phenyl)-2,2'-bisoctoxy-1,1'-binaphthyl and the conjugated linker 2,2'-bipyridyl group via vinylene bridge.
手性高分子P-1能发射强的蓝色荧光,这是由于手性重复单元-6,6′-二(4-三氟甲基苯基)-2,2′-二正辛氧基-1,1′-联萘和单元2,2′-联吡啶通过亚乙烯基桥连形成共轭高分子结构造成的。
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- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。