1·Results:A stable strain was obtained with the titer of flavomycin increased by 170.25% than parent strain.
结果：获得一株遗传稳定且黄霉素发酵效价比出发菌株高出170.25%的菌株。
2·Addition of propanol during erythromycin fermentation with in shake flask improved the titer by 49.
在摇瓶培养过程中，发酵初期加入正丙醇可使红霉素的效价提高49。
3·The D1 isolate of goose paramyxovirus caused 100% mortality of goose, duck and chicken embryos. Infected allantoic fluid could produce high titer of hemagglutinin test.
鹅副黏病毒d 1分离株能致死鹅胚、鸭胚和鸡胚，致死率达到100%，感染的尿囊液能产生较高的血凝效价。
4·Methods Turbidimetric method was used to determine the titer of gentamycin sulfate granules and the findings were compared with those detected by diffusion method.
方法采用比浊法和管碟法对硫酸庆大霉素颗粒的效价测定进行比较，并对比浊法进行方法学验证。
5·ConclusionLHD has good clinical curative effect in treating FM-ABOI, could decrease the serum antibody titer, and prevent the occurrence of postpartum hemolytic disease in newborns.
结论莲黄汤治疗母儿ABO血型不合有较好的疗效，能有效降低其血清抗体效价，预防产后新生儿ABO溶血病的发生。
1·The astite titer of antiserum in three immune mice is much higher than that of positive serum.
三只免疫小鼠的抗血清的滴度要比阳性血清高。
2·With this titer infected the suspensively cultured insect cells, harvested and purified VLP and identified its specificity.
按此滴度感染悬浮培养的昆虫细胞，收获、纯化VLP并鉴定其特异性；
3·In order to use retroviral-mediated gene transfer technology in clinical application, retroviral vector must be of high titer and free of detectable replication-competent retroviruses.
逆转录病毒介导的基因转移技术要过渡到临床应用，主要解决如何使病毒载体具有高滴度而不具有复制活性。
4·Screen the optimal stabilizer according to the appearance, virus titer and thermostability of the freeze-dried vaccine.
根据冻干后外观、病毒滴度和热稳定性试验等结果，筛选出冻干保护剂的最适配方。
5·By revamping the cooling water flow path, the aqua ammonia titer and degree of carbonation are effectively decreased, and the output of ammonium bicarbonate is increased.
通过对冷却水流程的改造，有效降低了氨水滴度和碳化度，提高了碳酸氢铵的产量。