分凝

We investigated constituent of triterpenoid saponins ofAlbizzia, two new compounds together with two known compounds were isolated from Albizzia julibrissin Durazz. by using column chromatography (macroreticular resin, silica gel, Sephadex gel, reverse phase silica gel),preparative HPLC methods et al.On the basis of spectroscopic analysis, including IR,ESI-MS,~1H-NMR,~(13)C-NMR,HMBC,HMQC,~1H-~1HCOSY and chemical methods, the structure of two new compounds were identified as 3 - O -[β-D-xylopyranosyl(1→2)-β-D-fucopyranosyl (1→6)-β- D -2- deoxy - 2 - acetoamidoglucopyranosyl] -21-O-[(6S)-2- trans- 2,6-dimethyl - 6 - O-β- D - quinovopyranosyl -2,7- octadienoyl] - acacic acid- 28 - O-β-D-glucopyranosyl(1→3)[α-L-arabinofuranosyl(1→4)]-α-L-rhamnopyranosyl(1→2)-β-D-glucopyranoside acacic acid 3- O -β- D- glucopyranosy(1→3)-β- D- fucopyranosl(1→6) [β-D- xylopyranosyl (1→2)]-β-D-glucopyranoside ;two known compounds were acacic acid lactone 3- O -β-D- xylopyranosyl-(1→2)-β-D-fucopyranosl (1→6)- 2-deoxy -2 -acetoamido -β-D- glucopyranoside ; acacic acid lactone 3- O-β-D-xylopyranosyl(1→2)-α-L- arabinopyranosl (1→6)- 2- deoxy - 2- acetoamido -β-D-glucopyranoside . The study lays chemical foundation and chemical reference substance for enhancing quality standard of Albizzia julibrissin Durazz.

本研究论文在综述国内外对合欢属Albizzia三萜皂苷化学成分和药理作用研究进展的基础上，利用传统植化分离手段和现代分离技术，包括大孔树脂、硅胶、葡聚糖凝胶、反相硅胶等柱色谱，制备高效液相色谱法等技术从中药合欢皮中分离得到了4个化合物，其中，2个新化合物和2个己知化合物，并进一步通过现代分析技术IR，ESI-MS，~1H-NMR，~(13C-NMR，HMBC，HMQC，~1H-~1HCOSY等和化学方法鉴定了2个新化合物的结构分别是：3-O-[β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖基]-21-O-[(6S)-2-反式-2，6-二甲基-6-O-β-D-吡喃鸡纳糖基-2，7-辛二烯酸基]-金合欢酸-28-O-α-L-呋喃阿拉伯糖基(1→4)[β-D-吡喃葡萄糖基(1→3)]-α-L-吡喃鼠李糖基(1→2)-β-D-吡喃葡萄糖苷，金合欢酸3-O-β-D-吡喃葡萄糖基(1→3)-β-D-吡喃夫糖基(1→6)[β-D-吡喃木糖基(1→2)]-β-D-吡喃葡萄糖苷；2个已知化合物结构分别是：金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷，金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-α-L-吡喃阿拉伯糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷。

Methods The total proteins of untreated and INH-treated mc^2 155 cells were separated by ampholyte pH gradient-based two-dimensional gel electrophoresis (2-DE). Tire differential expression proteins were analyzed by using image analysis software. Results Proteins of control group arid INH-treated group contained 159 and 221 protein spots, respectively.

观察不同浓度的异烟肼处理前后耻垢分枝杆菌生长曲线，确定药物处理SM细胞的最佳时间和浓度，并提取在最佳处理时间和浓度条件下的SM细胞总蛋白，采用载体两性电解质pH梯度双向凝胶电泳技术分离异烟肼处理前后耻垢分枝杆菌mc^2 155细胞的总蛋白质，用PDuest 7.3.1图像分析软件比较分析，以识别差异表达的蛋白质。

In high condensation point, high viscosity and low permeability oilfield, using routine separate layer water injection pipestring can't achieve the goal of separate-layer water injection because packer doesn't seal and is very easily broken.

随着高凝、高粘和低渗透油田的开发，原有的封隔器与配套工具组成的分注管串无法使用。因此，迫切需要研究一套与之相适应的封隔器组成的分注管串，以满足现场生产需求。

In this project the coagulation dynamic of PACls and Al13 has been systematically investigated. The fractal theory has also been introduced to describe the various floc structure formed and their physico-chemical properties as well.

从系统研究系列PACl与Al13形态的混凝动力学特征出发，开创性地引入分形理论，定量描述了不同操作条件下絮体分形结构的形成、性能及相互关系。

The script of diagnostic criteria for MODS with the illness severity score system was established. The script mainly was involved in the evaluation of seven organs or systems, including respiratory system, cardiovascular system, kidney, hemologic system, liver and alimentary system. Only one parameter was used in each organ, they were FiO2/PaO2, systolic blood pressure, serum creatinine, platelet count, conscious state and the defecation status. 0- 4 scores were endued with each indexaccording to the severity of the illnesses respectively. Every descriptor was 5 points, showing 0 point with normal organ function, and 1- 4 scores with organ dysfunction and aggravation.

建立了MODS诊断标准、病情严重度评分系统草案：主要纳入呼吸、心血管、肾脏、凝血、脑、肝脏、胃肠道7个脏器系统，每个脏器系统仅用1个指标表示其功能障碍与否，分别是氧合指数、收缩压、血清肌酐浓度、血小板计数、意识状态、血清总胆红素浓度、排便状况；每个指标结合病情严重程度分别赋予0~4分，0分为功能正常，4分为器官功能衰竭，1~4分为器官功能发生障碍且程度逐渐加重。

It was applied to analyze the structures of ashless dispersants and their derivatives. The results were obtained and correlated. The molecular weight distribution and dipersity of ashless dispersant, number of polyisobutene R and polymeric degree of R polymerism in addition agent were obtained.

以Ultrastyragel为固定相，四氢呋喃作流动相，用普适标准校正曲线及凝胶渗透色谱法对无灰分散剂及其对应衍生物的结构进行了分析测定，并将测定结果相关联，计算出了无灰分散剂的相对分子质量分布、分散度及添加剂所含聚异丁烯R基的个数及R基聚合度。

At the same time, the flocs's fractal dimension of the two coagulants was tested in different coagulation conditions.

同时，笔者还对不同混凝条件下两种混凝剂产生的絮体分形维数进行了测定。

Methods The throat swab specimens of ILI were cultivated with MDCK cells and the isolates of influenza viruses were identified by HA and HI, and then screened their genetic typings.

采用流感样病例的咽拭子标本用狗肾细胞进行病毒分离培养，采用血凝及血凝抑制方法进行流感病毒初筛及分型鉴定。

We use separated pre-treatment, coagulating sedimentation, air flotation and sand filtration to treat coating wastewater and obtains good results: the removal rate of CODCr could be higher than 80%.

摘 要：本文针对汽车涂装废水中含有树脂、表面活性剂、重金属离子，Oil、颜料等污染物，特别是其中的电泳废水、喷漆废水成份复杂，浓度高，可生化性差的实际情况，采用分质处理、混凝沉淀、混凝气浮、砂滤等工艺对涂装废水进行处理，取得了良好效果：CODCr去除率大于80%。

In this article, in allusion to the contamination of coating wastewater of automobile manufacturing which contains resin, surface active agent, heavy metal ion, oil, paint, dyestuff etc, especially the ELPO wastewater and painting wastewater which is complex, and has high concentration. we use separated pre-treatment, coagulating sedimentation, air flotation and sand filtration to treat coating wastewater and obtains good results: the removal rate of CODCr could be higher than 80%.

摘 要：本文针对汽车涂装废水中含有树脂、表面活性剂、重金属离子，Oil、颜料等污染物，特别是其中的电泳废水、喷漆废水成份复杂，浓度高，可生化性差的实际情况，采用分质处理、混凝沉淀、混凝气浮、砂滤等工艺对涂装废水进行处理，取得了良好效果：CODCr去除率大于80%。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。