The elf - emfs had no impact on neurite outgrowth . it was concluded that elf - emf , with the advantage of economy , convenience , as well as easy control , might be an effective method ex vivo to manipulate neural progenitors differentiation in stem - cell therapy . the possible mechanism of the elf - emfs effects on neurogenesis of mesencephalic progenitors was further explored Emfs的此效应具有频率特异性，场强也是影响因素； 10 20 40hz ( 8mt ) emfs还可增加衍生于中脑神经前体细胞的th阳性细胞数；但各频率emf对神经突的延伸均无作用。
The transferabilities of disinfectant outgrowths . the transformations admixed with chloroamine disinfectant water and chlorizating disinfectant water in conveying tubes have been particular analyzed . mostly work and conclusions as follows : ( 一 ) using simulative test and crosswise test , changing some parameters such as the sequence and proportion of chloroamine affiliated C )采用氯胺消毒方式时，预加氯成为总三卤甲烷、卤乙酸生成量的决定因素，取消预加氯将大幅度减少氯消毒副产物的生成，而对于滤后水消毒剂量(主要为一氯胺)的控制影响不大。
According to the polarity , the residue was isolated with petroleum ether , chloroform , ethyl acetate , and n - buoh , respectively . the n - buoh fraction , confirmed as neuroactive component , was subjected to sephadex lh - 20 column chromatography to provide an extract fraction , as a buff powder , which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l 将菟丝子干粉用75乙醇浸泡后，减压蒸干后得到褐色浆状物，经石油醚、氯仿、乙酸乙酯、正丁醇萃取，经柱层析后，再用葡聚糖凝胶对有效成份进一步纯化，获得了菟丝子中能诱导pc12细胞分化的活性组分。
After purification using glutathione sepharose 4b affinity chromatography and digestion with thrombin , the recombinant ntfs were found to be biologically active in the pc 12 cells neurite outgrowth assay . the assays demonstrated that the purified ntfs proteins exhibited normal activity , which is the first step in developing a comprehensive gene therapy for nerve diseases of the giant panda and the crested ibis 最后，对重组表达蛋白经glutathlonesepharose4bmicrospincolumn亲和纯化后，进行大鼠肾上腺嗜铬瘤细胞（ p2 ）神经营养因子的活性鉴定，发现其能够诱导神经细胞分化产生突触，即具有预期的生物学活性，表明所获表达蛋白为大熊猫nt
As a kind of predominant technology , ozone biologically actived carbon method in drinking water treatment has been extensively applied at home and aboard . in order to achieve purify water and decrease disinfect - outgrowth simultaneously , the quantity of ozone and the process of treatment must adapt to kinds of water quality 臭氧生物活性炭饮用水深度处理工艺已成为一种优越的净水工艺，正在国内外得到广泛的应用，该工艺要求臭氧投加量及处理工艺流程适应不同的水质情况，以达到净化水质同时减少臭氧消毒副产物的目的。
The fifth and final principle is perhaps the most important - universal service . we believe that universal service can be a natural outgrowth of the first four principles . certainly the combination of open access , flexible regulations , competition , and private investment will tug us in that direction 成长是每个人每天所作决定的总和体现每当我们卖一项产品到国外去、每当一个雄心勃勃的企业家投资金钱与时间在一强而有力的新点子上、每当一个公司雇用一个身怀新技术的劳工时，成长就从那一刻发生。
I will also analyze how teahouses , as outgrowths of traditional public places , differ from their predecessors . my investigations will lead to the conclusion that teahouses at western sichuan province are conductive to social integration and provide a possible formula for the remedy of many modern traumas 茶馆是川西社会公共生活的重要场所，它与各种行帮、协会、袍哥组织等公共领域有着极深的关系，为各种公共生活提供了一个不分民族、不分族群、不分阶层、不分区域的公共活动空间。
