The single-factor design with multiple levels is a common experimental design for clinical studies on drug efficacy and it has very broad applicability.
单因素多水平设计是药学科研中经常用到的一种试验设计方法，在临床药物疗效研究方面具有十分广泛的适用性。
METHODS:The optimal extracting parameters were obtained through single factor design and orthogonal experiment.
方法：通过单因素和正交试验设计确定微波辅助提取黄芩总黄酮的优化工艺条件。
Methods The optimum reaction systems of RAPD were obtained by single factor design and response surface design (RSD).
方法应用单因素设计和反应曲面设计(rsd)进行RAPD反应体系的优化。
This paper studies reliability - based damage performance design of structures with load and resistance factor design method.
本文基于现行抗震规范设计方法，运用荷载抗力分项系数法对结构损伤可靠度进行了研究。
Experiment design of factor analysis, a multiple factor design, was adopted, in which two factors were repeated in experiments.
采用复因子试验设计中的析因试验设计，为二因子有重复的试验设计。
RESULTS: Single factor design, orthogonal design, uniform design and factorial design are widely used for the optimization purpose.
结果：单因素设计、正交设计、均匀设计、因子设计是目前微球工艺中常用的优化方法。
A single factor design was conducted to study the effects of lysozyme on the growth performance, metabolism and immune indices of broilers.
本文研究了溶菌酶对肉仔鸡生长性能及免疫指标的影响。
For the PS plate grain and light-sensitive coating abrasion, an experiment was designed based on factor design, which ensures the veracity of experiments.
针对印刷中砂目和感光层的磨损，采用因子设计法设计实验，保证了实验的准确性。
This paper introduces the reinforced concrete crack types and causes, from material factor, design factors and external factors three aspects discusses the specific methods of preventing the crack.
本文介绍了钢筋混凝土裂缝类型及产生原因，从材料因素、设计因素和外界因素三方面论述了预防裂缝的具体方法。
This paper introduces the reinforced concrete crack types and causes, from material factor, design factors and external factors three aspects discusses the specific methods of preventing the crack.
本文介绍了钢筋混凝土裂缝类型及产生原因，从材料因素、设计因素和外界因素三方面论述了预防裂缝的具体方法。
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