和凝

• To the concrete two - phase flow - crude oil , its temperature , speed and capacitance value are measured by flat capacitance sensors , fluke rlc instrument and other auxiliary appliance . assessing the characters of crude oil and predicting the solidifying point is the result of using fuzzy information arithmetic
  针对具体的两相流? ?原油，用平板电容器、 fluke精密电桥和其它辅助传感器分别测取了原油的热处理温度、降温速率和电容值，利用模糊信息融合算法对测量值进行处理和寻优，从而进行原油热处理的综合评定和凝点的在线预测。
• Abstract : this paper dicussed the preparative parameteres synthesized mullite ultrafine powder by sol - gel and co2 scfd ( supercritieal fluid drying ) method from teos and al ( no3 ) 3 ? 9h2o as raw materials . the control parameteres of the colloidal particle size forming in sol - gel process and the gel structure and the scfd were studied by , xrd , tem and bet techmiques
  文摘:研究了以正硅酸乙酯和硝酸铝为原料，采用溶胶一凝胶法结合co2超临界流体低温干燥技术合成莫来石超细粉的制备参数控制，并利用xrd 、 tem和bet 、技术研究了溶胶-凝胶过程中溶胶胶粒大小的控制和凝胶结构的控制及超临界流体干燥技术的控制。
• Sanqi ( panax notoginseng ) has good effect of stops bleeding , can obviously reduce hemorrhage and hemoglutination time ; can promote each kind of blood corpuscle fission to grow , increase number , has the remarkable blood tonic effect ; has obvious curative effect of activate blood and disperses petechia , get rid of petechia and come into being fresh
  三七具有良好的止血功效，能明显缩短出血和凝血时间；能促进各类血细胞分裂生长、增加数目，具有显著补血功效；具有活血化瘀、去瘀生新的明显疗效。
• Strain bl21 , and gene expression was induced by iptg . the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene . using ion exchange chromatography and gel filtration chromatography , the chimera proteins were purified , and both of them showed a single band in tricine - sds - page . the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities , but gain platelet aggregation inhibitory activities as well
  通过离子交换层析和凝胶过滤层分别对两种嵌合体蛋白进行纯化，纯化产物在tricine - sds - page中都显示为单一条带。活性分析结果表明两种嵌合体蛋白在保留水蛭素抗凝血酶活力的同时，还呈现抗血小板聚集活性。
• In the experiments , the stable ti02 - gel was prepared by sol - gel method with ti ( 0c4h9 ) 4 . different kinds of anti - bacterial powders were made by adjusting the content of ag ~ and complexing agent as well as the heat treatment . with different kinds of tests and measurements such as xrd , xps and bet , the cooperation effects of ag ~ and ti02 were analyzed
  分别改变了溶胶中银离子的含量、络合剂和凝胶热处理制度制备出各种抗菌粉体，并对其抗菌性能、安全性进行了较为详细的评价和表征，通过xrd 、 xps 、 bet等手段对样品的微观性能测试，并深入探讨了二氧化钛光活化和银离子抗菌的协同作用机理。
• Abstract : new progress of raman technique in the research on macromolecule science recent years was summarized in this paper including the miscibility of polymer blends , the mechanism of surface plasticization , the monitoring of stress and strain relaxation process , raman imaging , the monitoring of polymerization , determination of curing process , the monitoring of crystal process in polymer and the study on the structure of water and intra - and inter molecular interactions in the solution of polymer and gelatin . a great deal of research of raman technique in this aspects were also summarized
  文摘:综述了拉曼技术在高分子科学研究中近年来的最新进展，包括聚合物共混物的相容性、表面增塑机理、应力松弛和应变过程的监测以及拉曼成像、聚合反应监控、固化过程监测、聚合物结晶过程监控、聚合物水溶液和凝胶体系中水的结构及分子间、分子内相互作用力的研究。
• Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae , extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates . the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents . a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus
  本研究利用线虫诱导下owvt - 1菌株液体发酵，通过粗分级分离、离子交换层析和凝胶过滤层析分离提纯了一个分子量为31kda的丝氨酸蛋白酶，生物学测定表明其对大豆胞囊线虫二龄幼虫具有致死作用，同时测定了该酶理化特性，酶活力在75附近酶活力最高，随着ph的增加酶的稳定性升高，与胆碱酯酶具有相似的ph曲线，对特异性底物aape ( suc - ala - ala - pro - glu - pna )具有作用， ssi和ci - 2抑制该酶的活性。