试验设计

objective to optimize microwave extraction process of mannitol from sparganium stoloniferum.methodsguided by the contents of mannitol in sparganium stoloniferum, uniform design, response surface analysis and path analysis were used to optimize microwave extraction process by combining with single factor experiment.resultsobtained response surface equation is notable at the level a.01 and the relative error of the predicted value from the model was smaller than 1%.

目的优化三棱中甘露醇的微波辅助萃取工艺。方法以甘露醇含量为响应指标，通过均匀试验设计，采用二次响应曲面和通径分析并结合单因素实验优化三棱中甘露醇的微波辅助萃取工艺。

According to the nutritional needs of B.bifidum,based culture and stimulated factors were optimized by quadratic design.The optimum based culture was as following: yeast extract was 0.9%,tryptone was 0.3%,soya peptone was 0.3%,glucose was 2.0%,bifidus was 0.8%,growth factor was 10%.

针对两歧双歧杆菌的营养需要，采用正交试验设计优化增殖培养基，结果表明，酵母膏是影响短双歧杆菌的显著因素，最佳的优化培养基配比是：酵母膏0.9%，胰蛋白胨0.3%，大豆蛋白胨0.3%，葡萄糖2.0%，双歧因子0.8%，生长因子10%。

Methods A random and open clinical trial was performed in children at more than 18 months of age, who were uninoculated with HA vaccine, and adults at 18~35 years of age in Yancheng City, Jiangsu Province, China.

采用随机、开放式试验设计，选择出生后未接种过甲肝疫苗的18月龄以上的儿童和18~35周岁的成人，接种冻干甲肝减毒活疫苗1针。

MAP is a kind of fertilizers which can be sold for reducing the expense of chemical precipitation method running. Though large numbers of experiments some kinetic parameters, including the value of pH, the relationship between the rate of ammonia-nitrogen removal and the ratio of reagents selected in reaction, reaction time and speed of whisking and so on were obtained.

在大量实验的基础上，通过对反应的几个动力学参数的详细研究，总结出了pH 值、反应药剂配比等与氨氮去除率的关系，并通过正交试验设计与单因素分析得出该方法在处理高浓度氨氮废水中最佳的工艺条件。

Methods: Different disintegrants were screened and the best formulation was optimized by orthogon experiment design using the disintegration time as index, and the best formulation of Picamilon sodium dispersible tablets was authenticated by the initial stability experiment.

以崩解时间为指标，筛选崩解剂的种类和用量，采用正交试验设计优化最佳处方和制备工艺，通过初步稳定性考察认证处方组成的合理性。

The ejaculates of three to four

选择2岁川东白山羊、波南F1山羊、波尔山羊和南江黄羊公羊共55只，1~4岁川东白山羊和波南F_1山羊共137只，采集公羊精液，分析精液品质，用通过正交试验设计L_(16)(44)建立的山羊精子和外源DNA处理方法转染，地高锌标记的原位杂交检测方法，比较这些山羊的精子转染效率。

Methods:A muti-center, single-blind randomized controlled trial was designed to study 240 vertigo patients who were randomly allocated into the treatment and the controls.patients in the treatment group were treated with gastrodin injection 600mg,intravenously guttae,daily for 7days,while those in the control group were treated with betahistin 30mg, intravenously guttae,daily for 7days.

采用多中心随机单盲对照试验设计，将240例纳入病例随机分配至治疗组(n=120)和对照组(n=120)，分别予以天麻素注射液600mg和盐酸倍他司汀注射液30mg，静滴，每日1次，疗程7天。

By using the orthogonal experimental design method,the conditions of bacterial leaching are optimized.

通过正交试验设计方法对浸矿条件进行优化。

The effects of four trace element treatments, Pelleting process and antioxidants on the lipid rancidity in formula feeds were discussed using trial design of single factor.

采用单因素试验设计，探讨了4种微量元素Cu、Fe、Mn和Zn的4个水平组合以及制粒、添加抗氧化剂对配合饲料脂质酸败的影响。

The choice of reaction conditions was based on an orthogonal experiment design.

用正交试验设计方法，优选了反应条件：n/n=2.2、反应温度为80℃、反应时间为5h、催化剂用量为MDI质量的1.0%。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。