查询词典 factorial

Quadratic regressive factorial experiment was used to optimize concentration of 6-BA and NAA in MS medium for shoot propagation from the top buds and stem segments of Russelia equisetiformis.

以爆仗竹顶芽与带腋芽的茎段为外植体，采用二次回归正交设计方法研究了爆仗竹组织培养快速繁殖中不定芽增殖系数与继代培养基中6BA和NAA组合及其浓度配比之间的关系。

Results The occurrence and development of gastric cancer was a multi- step and multi-factorial complicated progress, whose etiology and pathogenesis were still unclarified.

结果 胃癌的发生、发展是多步骤、多因素的复杂过程，其病因和发病机理仍未完全阐明。

ConclusionThe pathological mechanism is multi-factorial, one of the most important factors is the prolonged immobilisation in a cramped sitting position. Travel ; Economy class syndrome; Thrombosis

所以近年来认为称之为&旅行者血栓形成(travellers'thrombosis)&可能更合适。1历史回顾1954年，Homans首次描述了1例与乘飞机旅行有关的静脉血栓形成。1名54岁的医师乘飞机从波士顿飞往委内瑞拉，在连续飞行14h后，发生了下

Experiment 2.Effect of variety,maturity and ensiling treatment on silage quality of whole crop rice was investigated according to a three factorial(3×4×4) random design.

试验二：采用三因素(3×4×4)完全随机试验设计，研究了品种、成熟阶段和青贮处理对全株青贮饲料稻青贮品质的影响。

Effect of maturity stages and ensiling treatments on rumen degradability of whole crop rice silage was investigated by in situ technology according to two factorial(4×4)completely randomized design.

结果表明：DM的瘤胃有效降解率随成熟阶段后延而提高，进一步证明饲料稻的收割时期不宜太早，MS3至MS4问较好。

Also, a 2/sup 3/ factorial experimental design was applied to study the effects of temperature, rotor speed, and totalized torque on the fusion of PVC compounds.

并应用因次实验设计法来判定重要之混练加工因素(混练温度、转轴转速及力矩总和)对PVC熔和之影响程度。

A factorial field experiment was conducted with seventy-eight 1.3×0.8m plots subjected to 24 treatment combinations (2 fertilization×2 first clipping time×3 clipping frequency×2 clipping intensity), with one unclipping control treatment.

实验采用随机设计，肥力分为施肥和不施肥，刈割处理为刈割时间、刈割频度和刈割强度3因子组合。

Studies are made on each factorial minor parameter f i and f i′s major part f im of the non linear function f and calculation formulas are given.The features of using equivalent minor parameter method in analyzing and solving non linear circuits are also summarized.

然而，由于电子电路与系统越来越复杂，许多非线性现象用传统的电路理论已经无法解释，忽视非线性的传统作法再也不能适应新技术迅速发展的形势。

Randomization, blocking, sample size determination, factorial designs, 2^p full and fractional factorials, response surfaces, Latin squares, split plots, Taguchi designs.

实验设计：实验设计：随机化，区组设计，抽样规模的确定，析因设计。完全的和部分的析因设计，反应曲面法，拉丁方，裂区法，Taguchi 设计。

Application and analysis of data from randomized blocks designs, Latin and Greco-Latin squares, incomplete blocks designs, split-plot and repeated measures, factorial and fractional replicates, response surface experiments.

随机区组设计数据的分析和应用，拉丁方和希腊拉丁方，不完整的区组设计，裂区设计和重复测量设计，析因和部分重复，反应曲面试验。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。