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Besides, the efficacious concentration of either morrhuic acid or sodium morrhuate was 0.1%, so they contained more docosahexaenoic acid and eicosapentaenoic acid and were ideal spermicides in vitro.

所以,含有较多廿二碳六稀酸、廿碳五烯酸的鱼肝油酸和它的钠称是较为理想的体外杀精子剂。

Based on the results of 1H-NMR, 13C-NMR, ESI-MS and UV spectra, the structures of three compounds with antitumor activity were identified as Prodigiosin、7-Hexadecenoic acid、7,10-Octadecadienoic acid, respectively; another compounds (no activity to above tumor cells)was identified as Myristic acid.

运用核磁共振(1H-NMR、13C-NMR)、质谱、紫外光谱等现代波谱技术分析,将其中3种具有抗肿瘤活性的化合物分别鉴定为灵菌红素、7-十六碳烯酸(7-Hexadecenoic acid)、7,10-十八碳二烯酸(7,10-Octadecadienoic acid);鉴定另一种对上述肿瘤细胞无活性的化合物为肉豆蔻酸。

In order to check the corresponding compound at 31P NMR –45.4 ppm, stable pentacoordinate spirobicyclic 2-phenoxy-1,3-phenylene-dioxo-1,3,2-iminoacetoxyphosphoranes were synthesized through a new and efficient method whereby phosphorus pentachloride was displaced stepwise by catechol, N,O-bisamino acid and phenol, or catechol, phenol and N,O-bisamino acid, their 31P NMR chemical shifts are at about 31P NMR –45.0 ppm, the results showed that the compound 4 at 31P NMR –45.4 ppm was pentacoordinate phosphorane containing amino acid residue.

采用磷谱跟踪来研究上述成肽反应机理。例如在氮气保护下,0.1mmol O,O-亚苯基磷酰氯(1)和0.15mmol N,O-二苯丙氨酸(2)苯溶液加入0.6ml核磁管中,混合均匀,反应过程用磷谱检测。反应1分钟后,起始原料1(δp=19ppm)很快转变成N-磷酰苯丙氨酸的三甲基硅基酯(3)(δp=19.8ppm),在8分钟内,3完全转变成苯丙氨酸磷烷4(δp =-45.4ppm),同时出现环磷三酯(6)(δp=3.5ppm)。随着反应的进行,对应于化合物4的峰逐渐变小,而6逐渐变大。

The invention relates to a fabric nanometer following cleaning agent for obtaining TiO2/ZnO composite hydrosol, and relative production and cleaning method, wherein it uses butyl titanate and zinc acetate as predecessor, uses glacial acetic acid as catalyst and peptizer, uses water as solvent, uses absolute ethyl alcohol as the solvent of butyl titanate, and uses ethanolamine as deposit agent and supplies OH-, to be hydrolysed and polycondensated to form TiO2/ZnO composite hydrosol. And its components and mass percents are: butyl titanate at 1-15%; zinc diethyl at 1-12%; absolute ethyl alcohol at 1-20%; glacial acetic acid at 5-15%; and aminoethyl alcohol at 0.1-5%, and the left is water. The invention has lower cost and simple process.

本发明涉及一种可以得到TiO 2 /ZnO复合水溶胶的纺织品纳米后整理试剂及其制备工艺及对织物的整理方法,以钛酸丁酯和乙酸锌为前驱物,冰乙酸为催化剂和胶溶剂,水为溶剂,无水乙醇为钛酸丁酯的溶剂,乙醇胺为沉淀剂并提供OH -,经过水解、缩聚反应形成的TiO 2 /ZnO纳米溶胶整理剂,其组分和重量百分比含量如下:钛酸丁酯占1~15%;二水乙酸锌占1~12%;无水乙醇占1%~20%;冰乙酸占5%~15%;乙醇胺占0.1%~5%;水余量,具有耐洗性、无毒、无刺激、成本低廉、制作工艺简单可靠的优点,可实现对对织物的抗紫外、抗菌、抗静电功能整理。

In addition, two water-solublephosphonic acid derivatives of C〓 and two diadducts of phosphonate derivative of C〓were also prepared. All the four compounds can be dissolved in DMSO, which is asolvent easy to be soluble in water. Their DMSO aqueous solution could haveprospective applications in the field of biomedicine.

研究了富勒烯膦酸酯衍生物的水解反应,首次合成了两个水溶性富勒烯膦酸衍生物,另外还合成了两个二加成的富勒烯膦酸酯衍生物,这四个衍生物均能很好地溶解在和水互溶的DMSO中,它们的DMSO水溶液可能在生物医学研究中可能会有很好的应用价值。

Meanwhile, small amounts of other unsaturated molecules such as pimaric/isopimaric-type resin acids can also be hydrogenated.

发现在二氢海松酸/异海松酸型树脂酸的分子间存在因双键移位而引起的异构现象。

In this paper,pyromellitic dianhydride,1,2,3,4-cyclobutanetetracarboxylic dianhydride,4[(4-aminophenyl)-bis(4-methoxyphenyl)methyl]benzeneamine,4-hexyloxy-biphenyl-3′,5′-diaminobenzoate,and additive ADD-34 were used to synthesize four PIs.

文章用均苯四甲酸二酐,4[(4-氨基苯基)-二(4-甲氧基苯基)甲基]苯胺,1,2,3,4-环丁烷四羧酸二酐,4-己烷氧基联苯酚-3′,5′-二胺基苯甲酸酯和不同含量的添加剂制备了聚酰亚胺液晶取向剂。

Diammonium phosphate,NKP compound fertilizer,granular superphosphate,titanium dioxide,sodium silicofluoride,potassium silicofluoride,phenyl Peri acid,Peri acid,Laurent's acid,antioxidant,pyrite.

提供产品:磷酸二铵、NPK复合肥、造粒磷肥、钛白粉、氟硅酸钠、氟硅酸钾、苯基周位酸、周位酸、劳伦酸、橡胶防老剂、硫铁矿。

Our company specializes in operating plating materials: sulfamic acid nickel, nickel sulphate, nickel chloride, nickel carbonate, etc.; environmentally friendly sewage treatment materials: polyacrylamide, polypropylene acid sodium, ferrous sulfate, etc.; washing cleaning materials: OP - 10, TX-10, NP-9, K-12, JFC, sodium carboxymethyl cellulose, etc.; cosmetic raw materials: Triclosan, Resorcinol, stearic acid and so on, basic chemical raw materials: Industrial salt, soda ash industrial ammonium chloride, ammonium chloride agriculture, Sodium Sulfate, Sodium Molybdate, Ammonium Molybdate, as well as chemical products such as UV-absorbers.

本公司专业经营电镀原料:氨基磺酸镍,硫酸镍,氯化镍,碳酸镍等;环保污水处理原料:聚丙烯酰胺,聚丙烯酰钠,硫酸亚铁等;洗涤清洗原料:OP-10,TX-10,NP-9,K-12,JFC,羧甲基纤维素钠等;化妆品原料:三氯生,间苯二酚,硬脂酸等,基础化工原料:工业盐,纯碱,工业氯化铵,农业氯化铵,元明粉,钼酸钠,钼酸铵等以及紫外线吸收剂等化工产品。

Results After 24,48,72 and 96 hours of gunshot wound,the plasma level of ALT was significantly increased than that of the unwounded;AST(at 2nd,8th,24th and 48th hour),CK(at 2nd,8th and 24th hour),TG(at 24th,48th,72nd and 96th),BUN(at 2nd,8th and 24th) and DAO(at 8th,24th and 48th) were increased greatly.

1.2 检测指标所有致伤犬均于低温前、低温后即刻和伤后2,8,24,48,72和96小时抽血测丙氨酸转氨酶、天冬氨酸转氨酶、肌酸激酶、甘油三酯、尿素氮、肌酐、内毒素和二胺氧化酶含量,并同时观察生命体征的变化。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。