吡咯烷

Monodispersive Au nanoparticles were synthesized via the redox reaction between diphenylamine sulfonate and HAuCU-The effect of the amount of sodium diphenylamine sulfonate and polyon the morphology and size of Au nanoparticls were examined.

利用四氯合金酸和二苯胺磺酸钠反应，制备了大小均匀的金纳米粒子。考察了还原剂二苯胺磺酸钠和保护剂聚乙烯吡咯烷酮的用量的变化对金纳米粒子形貌和大小的影响。

Ingredients:Water,Hamamelis Virgin-iana Water,Glycerin,Olive Oil Peg-7 Esters,Gm Euglena Gracilis Polysaccharide,Betaine,Aloe Barb-adensis Leaf Juice,Hydrolyzed Wheat Protein,Sodium Pca,Tocopheryl Acetate,Polysorbate 20,Creatine,Hyaluronic Acid,Tetrasodium Edta,Perfume

成分：去离子水，金缕梅蒸馏液，甘油，橄榄油，PEG-7酯类，细小裸藻多糖，甜菜碱，芦荟叶提取物，水解小麦蛋白，吡咯烷酮羧酸钠，生育酚乙酸酯，聚山梨醇酯-20，肌酸，透明质酸，乙二胺四乙酸四钠，香精，苯氧乙醇，辛二醇，山梨酸。

Main Ingredients: Water,Hamamelis Virginiana Water,Glycerin,Propylene Glycol,Gm Euglena Gracilis Polysaccharide,Betaine,Aloe Barbadensis Leaf Juice,Hydrolyzed Wheat Protein,Sodium Pca,Tocopheryl Acetate,Polysorbate 20,Creatine,Hyaluronic Acid.

主要成分：去离子水，金缕梅蒸馏液，甘油，丙二醇，细小裸藻多糖，甜菜碱，芦荟叶提取物，水解小麦蛋白，吡咯烷酮羧酸钠，生育酚乙酸酯，聚山梨醇酯-20，肌酸，透明质酸，乙二胺四乙酸四钠，香精，苯氧乙醇，辛二醇，山梨酸。

Other Ingredients: Sodium Starch Glycolate, Polyvinylpyrrolidone, Copolyvidone, Opadry NS Clear, Colloidal Silicon Dioxide, Sodium Lauryl Sulphate.

其他成分：乙醇酸淀粉钠，聚乙烯吡咯烷酮， Copolyvidone ，欧巴代生理盐水清除，胶体二氧化硅，十二烷基硫酸盐。

The prepared supported palladium catalyst with ultra thin fiber morphology can hydrogenate olefin and nitrobenzene hydrogenation in high efficiency. The loss of noble metal was reduced and the quality of the product was improved for formation of chemical bond between metal and polymer.

本论文以电纺丝技术为基础，利用聚丙烯腈、苯乙烯-丙烯腈共聚物、聚乙烯基吡咯烷酮和壳聚糖衍生物等为载体，制备出了负载钯的超细纤维无纺布形态催化剂，并对其催化加氢性能进行了讨论研究。

Objective To investigate the role and mechanism of PDTC on the development of cardiac hypertrophy in vivo.

内容摘要：目的观察吡咯烷二硫基甲酸盐对心肌肥大发生发展的影响并探讨其机制。

The project is developed by the enterprise and colleges to produce Super High-purity NMP Impregnant on the base of High-purity NMP Impregnant.

对高纯N-甲基吡咯烷酮的净化，我公司已与国家材料重点调研实验室和中南大学稀冶所签定项目开发合同，共同开发。

Polyringlpyrrolidoneas a viscosity increaser is used to adjust the viscosity of the sols.When the molar ratio of PVP:Al(OC_3H_7)is up to 1:1,the viscosity of the PVP assisted sol increases from 2.3 to 31.5 mPa·s,and homogeneous,uniform and crack-free 1 mol%Er~(3+)-10 mol%Yb~(3+)codoped Al_2O_3 thin films with the thickness of 1.6μm are formed by 10 dipping and drying cycles sintered at 1000℃.

以聚乙烯吡咯烷酮为增粘剂，调节DCPA改性溶胶的粘度，PVP(K-90)：Al_3的摩尔比为1：1时，溶胶粘度由原始溶胶的2.3增加到含PVP溶胶的31.5mPa·s，仅经过10次循环提拉、干燥，1000℃烧结，制备出表面均匀完整，无开裂厚度约为1.6μm的1 mol%Er~(3+)-10 mol%Yb~(3+)共掺杂Al_2O_3薄膜。

The results showed that the thermo-sensitivity of hairy PNIPA changed obviously in the presence of hairy PAA as polyelectrolyte.4-cyanopentanoic acid dithiobenzoate as soluble reversible addition-fragmentation chain transfer agent was directly added into the above PS particles with photo-initiator on the surface and NVP or NIPA as monomer.

其次，将水溶性RAFT试剂直接引入上述光引发聚合体系，探讨连续相中RAFT试剂的存在对微球表面N-乙烯基吡咯烷酮或N-异丙基丙烯酰胺聚合的影响，考察了RAFT试剂对聚合过程中微球壳层高分子毛发厚度和单体转化率变化趋势。

In certain systems, nonprotein agents such as polyvinylpyrrolidone and polyvinyl alcohol have been used.

某些系统还用过非蛋白试剂如聚乙烯吡咯烷酮和聚乙烯醇。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。