衍生物
- 与 衍生物 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The use of benzazepin-N-acetic acid derivatives which contain an oxo group in the a position to the nitrogen atom and are substituted in the 3 position by a 1--cyclopentyl-carbonyl-amino radical, and of their salts and biolabile esters, for the prophylaxis and/or treatment of heart damage caused by cardiotoxic doses of medicaments or chemicals, in larger mammals and in particular humans.
本发明涉及苯并氮杂∴-N-乙酸衍生物及其盐和生物不稳定的酯的应用,其中苯并氮杂∴-N-乙酸衍生物在氮原子的α位置含有氧代基,且在3-位置上被1--环戊基-羰基-氨基残基取代,用于预防和/或治疗大的哺乳动物和特别是人体的心脏损伤,其中心脏损伤是由心脏中毒剂量的药物或化学品引起的。
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The interaction of these chalcone derivatives, DMAC-CD with transitional metal ions were studied by steady state and time-resolved fluorescence spectral techniques.
利用稳态荧光和时间分辨荧光技术研究了该类查尔酮衍生物以及上述查尔酮修饰的环糊精衍生物与过渡金属离子间的相互作用。
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The invention is characterized in that the molecule of the polymer adsorption material has a structure in formula I: in the formula, R is selected from the natural polysaccharides with amino groups and hydroxyls and the derivatives thereof or the chemosynthetic polymers, the molecular weight of which is from 6 KD to 500 KD; X is selected from a C0 to C6 paraffinic chain with O atoms, N atoms or OH groups; R1, R2 and R3 are selected from a C1 to C4 alkyl group.
生物医学材料领域中的水溶性阳离子多聚物吸附材料及其应用,包括采用带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物季铵化反应合成,其特征在于该多聚物吸附材料分子具有式的结构:式中,R选自粘均分子量范围为6KD~500KD的带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物;X选自含有O原子、N原子或者OH基团的C 0 ~C 6 烷链;R 1 、R 2 、R 3 选自C 1 ~C 4 的烷基。
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The emphasis was on chemical properties,application,main production methods,market,and prospects of main deriva- tives of acetaldehyde such as ethyl acetate,pentaerythritol,glyoxal,peracetic acid, crotonaldehyde and pyridine.
介绍了国内外乙醛及其主要衍生物的生产技术发展及其市场供需状况,尤其对乙醛主要衍生物乙酸乙酯、季戊四醇、乙二醛、乙醛酸、丁烯醛、吡啶的化学性质与用途、主要生产方法、市场供需状况及开发前景作详细介绍和分析。
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Three isomorphic pendant derivatives based on monovacant Keggin heteropolytungstate [SiW11O39]8- as building block have been synthesized through the decoration of Co-Im complexes using bench method:5Na_4H_2[SiW_(11)O_(39)CoIm]_(0.63)[SiW_(11)O_(39)Co(H_2O)]_(0.37)·7H_2O (1)_6[SiW_(11)O_(39)NiIm]_(0.8)[SiW_(11)O_(39)Ni(H_2O)]_(0.2)·7H_2O (2)_4Na_6[SiW_(11)O_(39)MnIm]_(0.69)[SiW_(11)O_(39)Mn(H_2O)]_(0.31)·7.5H_2O (3) Complexes 1–3 are the first examples of crystallographically characterized 3d-transition metal mono-substituted POMs with an antenna organic ligand synthesized under normal bench conditions.
以单缺位Keggin型杂多钨硅酸盐[SiW11O39]8-为建筑单元,在水溶液中通过过渡金属-咪唑配合物的修饰,成功地获得了三个同构的悬臂式衍生物:5Na_4H_2[SiW_(11)O_(39)CoIm]_(0.63)[SiW_(11)O_(39)Co(H_2O)]_(0.37)·7H_2O (1)_6[SiW_(11)O_(39)NiIm]_(0.8)[SiW_(11)O_(39)Ni(H_2O)]_(0.2)·7H_2O (2)_4Na_6[SiW_(11)O_(39)MnIm]_(0.69)[SiW_(11)O_(39)Mn(H_2O)]_(0.31)·7.5H_2O (3)它们是第一例在常规水溶液条件下合成得到的X-射线表征的3d-过渡金属取代的悬臂式多酸衍生物。
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The preparation of esterified derivant : it is prepared by the esterifying reacting of above (3) product and 4g dodecylbenzene sulphonic acid heated in water bath at 40℃ within 30min.
聚环氧氯丙烷乙二醇哌啶接支酯化衍生物的制备:4g十二烷基苯磺酸于40℃水浴条件下聚环氧氯丙烷乙二醇哌啶接支衍生物进行酯化反应。
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During the incubation of purified α-synuclein with fructose or glucose, it was observed that the protein intrinsic fluorescence at 308 nm decreased while the fluorescence of glycated derivant at 447 nm increased.
将纯化后的α-synuclein分别与果糖和葡萄糖孵育,通过内源荧光、非酶糖基化衍生物特征荧光、圆二色光谱以及电子显微镜等技术进行检测发现:α-synuclein 与还原糖共同孵育后,308 nm内源荧光强度明显降低,同时在447 nm产生一个非酶糖基化衍生物特征荧光。
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The composition comprises: 35 to 65 wt % of an anionic detergent or surfactant selected from alkyl benzene sulphonic acids, alpha olefine sulfonates, long chain fatty acid sulphates, higher fatty acids, as well as the alkali metal and alkaline earth metal salts thereof, and natural detersive agents, and mixtures of any of these; 3 to 15 wt % of a non-ionic detergent or surfactant selected from alkoxylated alkyl phenols and alkoxylated fatty alcohols; 5 to 10 wt % of a water-swellable cellulose derivative or a salt thereof, wherein the cellulose derivative exhibits a viscosity of at least about 1500 cps, measured in a 1 % aqueous solution at 25 DEG C with a Brookfield viscometer having spindle 3, speed 30rpm, factor 40 for viscosities of 2500-3500 cps; 6 to 20 wt % of a solubility regulator selected from alkali metal and alkaline earth metal chlorides, carbonates and sulphates, aluminosilicates and starch; and 0 to 20 wt % of a fragrance or perfume in solid, liquid or microencapsulated form.
该组合物包含:a35―65%重量的阴离子洗涤剂,其选自烷基苯磺酸、α-链烯烃磺酸盐、长链脂肪酸硫酸盐、高级脂肪酸以及其碱金属和碱土金属盐和天然的去污剂,和任何这些组分的混合物;b)3―15%重量的非离子洗涤剂,选自烷氧基化烷基酚和烷氧基化脂肪醇;c)5~10%重量的水可溶涨的纤维素衍生物或它们的盐,其中纤维素衍生物按1%水溶液在25℃下用Brookfield粘度计(3号转轴,转速30rpm,2500―3500cps粘度的因子是40测定;具有粘度至少约1500cps;d)6―20%重量的溶解性调节剂,选自碱金属和碱土金属氯化物、碳酸盐和硫酸盐、硅铝酸盐和淀粉;和e)0~20%重量的为固体、液体或微囊包封形式的香精。
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Based on above analysis, a series of novel pentadiynes substituted with pyrimidinyl group were synthesised, and the reaction between them and C60 was applied to synthesize fullerene derivatives of diacetylene substituted by pyrimidine groups.
根据以上设想设计合成了一系列嘧啶基取代戊二炔衍生物,使之与C60反应,合成了嘧啶基取代炔类C60衍生物。
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Double chain naphthyurea/thiourea piperazine derivatives complex with linear dicarboxylate anions with a high stability constant and 1∶1 stoichiometry of the complex-and the complex was formed through six hydrogen bonds.2 Photophysical behaviors and anion binding of three N,N-dimethylaminochalcone derivatives were studied.
二研究了三种N,N-二甲基氨基查耳酮衍生物的光物理行为及与阴离子的结合能力。4'位不同的取代基-氨基和苯脲基对查耳酮的的分子内电荷转移能力有一定的影响,它们减弱了查耳酮衍生物的分子内电荷转移能力,导致发射光谱蓝移。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?