二酸的

Four extracting agents for Lanthanides/Actinides separation , dialkyldithiophosphinic acids, were synthesized from PSCl3 and alkyl halide by Grignard reaction, sulfuration and acidification.

以PSCl3和卤代烷为原料，经格氏反应、硫化和酸化合成了用于镧/锕分离的4个萃取剂——二烷基二硫代次膦酸，其结构经NMR，IR和MS表征。

Study on the Crystallization Process of Labeled GL-7-ACA Acylase CA130 Complex 7β-bromoacetyl amino cephalosporanic acid (BA-7-ACA), an analog of glutaryl-7-amino cephalosporanic acid (GL-7-ACA), can inhibit and specifically alkylate GL-7-ACA acylase (CA130) from Pseudomonas sp. 130, forming a carbon-carbon bond between BA-7-ACA and the C-2 on indole ring of Trp-β4 residue of CA130.Here we reported that BA-7-ACA labeled CA130 (BA-C130) could self-catalyze the hydrolysis of BA-7-ACA during crystallization process. The hydrolysis was confirmed to be a reaction analogous to the one of GL-7-ACA by comparative MALDI-TOF (matrix-assisted laser desorption/ionization-time of flight) spectrometry analysis.

二、GL-7-AcA酰化酶CA130标记复合物的结晶过程研究溴乙酰氨基头孢烷酸（7β-bromoacetyl amino cephalosporanic acid，BA-7-ACA）作为戊二酰-7-氨基头孢烷酸（GL-7-ACA）的类似物，不仅能够抑制GL-7-ACA酰化酶CA130的活力，而且能通过在BA-7-ACA和CA130的β亚基第四位色氨酸吲哚环二位碳原子之间形成碳-碳共价键而将CA130特异的烷基化。

Disodium 5'-guanylate heptahydrate (5'-GMPNa2) is an important food additive and medicine material, which belongs to the second-generation fresh reagents. 5'-GMPNa2 exists in two solid forms: amorphism and crystal.

5'-鸟苷酸二钠是一种重要的食品添加剂及医药用品，属于第二代鲜味剂。5'-鸟苷酸二钠以无定形体和晶体两种固体状态存在。

Results showed that there was significant correlation between the two assays with catechol and tyrosine as substrate respectively.

结果表明，以邻苯二酚和酪氨酸为底物所测PPO活性极显著相关，邻苯二酚所测活性强，但酪氨酸所测活性的变异系数大。

The total iron in iron ore was titrated by potassium permanganate standard solution with sodium diphenylamine sulfonate as indicator.

用HNO3-HF处理，硫-磷混酸溶解试样，在盐酸介质中，用二氯化锡－三氯化钛将Fe(上标 3+)还原为Fe(上标 2+)，以二苯胺磺酸钠为指示剂，以高锰酸钾标准溶液滴定铁矿石中的全铁量。

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。

Durable formaldehyde-free phosphorus flame retardant for cotton,FRC-F,was synthesized with dimethyl methylphosphonate,phosphoric pentaoxide and ethylene glycol-glycerol mixt.

利用甲基膦酸二甲酯、五氧化二磷、乙二醇、丙三醇的混合物成功地合成了一种无甲醛棉用耐久性膦系阻燃剂，探讨了阻燃剂FRC-F、多元羧酸交联剂BTCA、催化剂NaH2PO2、柔软剂等应用于棉织物的工艺。研究结果表明：阻燃剂FRC-F是一种值得研究和开发的无甲醛棉用阻燃剂

PGA and CMC-Na (FH-9) were the chosen stabilizers. Based on the orthogonal experiment,the optimum added amount of stabilizers and homogenizing and sterilization parameters wereobtained. The results indicated that the best formula of this kind of fermented soybean drink withthe greatest stability were: 0.4% of CMC-Na(FH-9),0.2% of PGA, 0.067% of MG and 0.083%ofSE, homogenizing twice under 40℃,30MPa and pasteurizing twice under 80℃ for 20min. Thesensory ,physical, chemical and microorganism target of fermented soybean drink were studiedand conformed to the Chinese Standards.

对发酵纯豆乳饮料的调配工艺和稳定性进行了研究，选出对提高酸豆乳饮料稳定性有良好作用的稳定剂配方为羧甲基纤维素钠FH-90.4%、藻酸丙二醇酯0.2%，乳化剂为单甘酯0.067%和蔗糖酯(SE-15)0.083%，确定了最佳均质条件为30MPa 40℃二次均质，杀菌条件为80℃20min的两次常压杀菌，并测定了纯酸豆乳饮料的感官、理化和微生物指标。

AIM A new process to prepare the glycerides of eicosapentaenoic acid and docosahexenoic acid from purified ethyl esters of EPA and DHA.

目的：用高纯度的二十碳五烯酸乙酯和二十二碳六烯酸乙酯制备EPA、DHA甘油酯的工艺。

It was shown that these two strains both can utilize benzoate as sole carbon source and the maximum tolerance of benzoate are 1.7% and 1.600, respectively; These two strains both can grow on benzene, toluene, xylene, phenol, benzyl alcohol of as sole carbon source. Pfluorescens PFO1 can degrade dianiline, 3,5-dinitrosalicylic acid, p- dimethylaminobenzaldehyde while P. aeruginosa ATCC27853 can utilize 3,5-dinitrosalicylic acid, p- dimethylarninobenzaldehyde.

结果表明，两种菌都能在以苯甲酸钠为唯一碳源的基础培养基上生长，并且，对苯甲酸钠的耐受性分别达到1.7％和1.6％；两种菌都能以适当浓度的苯，甲苯，二甲苯，苯酚，苯甲醇为唯一碳源生长；荧光假单胞菌能以二苯胺，对二甲氨基苯甲醛，3，5-二硝基水扬酸为唯一氮源生长；铜绿假单胞菌能以3，5-二硝基水扬酸，对二甲氨基苯甲醛为唯一氮源生长。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。