吡咯烷

The protein level of NF-kB in nucleus peaks at 8h after stimulating with LBP (200μg/ml). In addition, PDTC, an inhibitor of NF-kB, whose effective concentration for NF-kB inhibition without any toxicity on cells is up to 100μmol/L, can significantly block NO production induced by LBP.

另外，NF-κB抑制剂吡咯烷二硫代氨基甲酸盐作用于RAW264.7细胞90min，然后加入200μg／ml剂量的枸杞多糖对巨噬细胞进行刺激，发现PDTC在各个时间点(6、12、18、24h)都明显抑制枸杞多糖对巨噬细胞释放NO的诱导作用。

The silver nanoparticles were characterized by using X-ray diffraction,energy dispersive spectrometer and scanning electron microscope.

在70℃时采用聚乙烯吡咯烷酮和氢氧化钠的混合水溶液，利用葡萄糖还原硝酸银制备了银纳米颗粒。

In order to study the influence of preparation techniques on stability of different morphological silver colloid s, stable silver colloid s were produced by the reduction of AgNO3 with the protection of polyvinylpyrroli-done using KBH4 and N2H4 ----------- H2O as reductants.

为了研究制备工艺条件对不同形貌银胶体稳定性的影响，在超声场作用下，以AgNO3为前驱物，聚乙烯吡咯烷酮为保护剂，KBH4和N2H4·H2O分别为还原剂，制备了稳定的银胶体，并利用透射电镜和分光光度技术对制备的银胶体进行了表征。

Methods Live attenuated rubella vaccine virus strain RA27/3 was inoculated to the monolayer of human diploid MRC-5 cells at an appropriate MOI and incubated in serum-and protein-free CDM culture medium. The virus liquid was harvested and, after addition of polyvinylpyrrolidone as a stabilizer and protective agent, lyophilized. Perform overall control tests on the prepared vaccine.

将风疹减毒活疫苗毒种RA27/3株按适当比例接种单层人二倍体细胞MRC-5株，使用无血清、无蛋白的CDM培养基培养病毒，收获病毒液，加入聚乙烯吡咯烷酮作为病毒稳定剂，制备疫苗原液，加入冻干保护剂，制备5批冻干疫苗，进行各项检定。

Methods Live at-tenuated rubella vaccine virus strain RA27 /3 was inoculated to the monolayer of human diploid MRC-5 cells at an appropriate MOI and incubated in serum-and protein-free CDM culture medium.

方法将风疹减毒活疫苗毒种RA27/3株按适当比例接种单层人二倍体细胞MRC-5株，使用无血清、无蛋白的CDM培养基培养病毒，收获病毒液，加入聚乙烯吡咯烷酮作为病毒稳定剂，制备疫苗原液，加入冻干保护剂，制备5批冻干疫苗，进行各项检定。

The cyclic voltammetric behavior of the organic phase at the liquid/liquid interface has been studied with a classic three-electrode system.

利用吡咯烷二硫代氨基甲酸铵作为螯合剂，甲基异丁酮作为萃取剂，将水相中的Pb2+萃取到有机相中，利用经典的三电极系统研究该有机相在液/液界面的伏安特性。

In the research of the Silver Carboxylate conductive ink, the silver citrate emulsion was synthesized through the reaction of silver nitrate with sodium citrate in the presence of Polyvinylpyrrolidone as a protected agent in water, then the silver citrate emulsion was deoxidized by aqueous ascorbic acid to get the nano-silver colloid.

在有机酸银导电油墨研究中，在高分子保护剂聚乙烯基吡咯烷酮存在的条件下，通过柠檬酸钠与硝酸银反应，合成了柠檬酸银乳液，并用抗坏血酸对柠檬酸银乳液进行还原，制得了纳米银胶导电油墨。

To investigate the applications of nano-silver colloid in conductive silver film,the nano-silver colloid was synthesized using ascorbic acid reduce silver citrate nano-emulsion in the presence of polyvinylpyrrolidone as a protected agent.

为了合成纳米银胶并考察其在制备导电银膜方面的应用性能，在聚乙烯吡咯烷酮保护下，利用抗坏血酸还原柠檬酸银纳米乳液，合成了纳米银胶，并将其用迈耶棒涂布在支持体上制备了纳米导电银膜。

After the digestion of the samples of the effort of the mixed acid, in the condition of pH=2~2.8, the lead in the sample solution and the added pyrrolidine a two-ammonium thiosulfate can come into being a metal complex. With A methyl isobutyl ketone extraction, the lead complexes can be divided from the water phase.

采用混合酸对样品进行消化处理后，在pH2~2.8时，样品溶液中铅与加入的吡咯烷二硫代氨基甲酸铵形成金属络合物，用甲基异丁基甲酮萃取，使铅络合物与水相分开。

In this paper, the ammonium pyrrolidinyldithiocarboxylate- methyl isobutyl ketone chelated-extract system was used. APDC chelated with Pb2＋ in solution, and then extracted into organic phase with MIBK. The cyclic voltammetric behavior of Pb-APDC complex at the liquid/liquid interfaces has been studied with classic three-electrode.

本文利用吡咯烷二硫代氨基甲酸铵作为螯合剂，甲基异丁酮作为萃取剂，将水相中的Pb2+萃取到有机相中，利用经典的三电极系统研究该有机相在液/液界面的伏安特性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。