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Several two stage experiments, scheduled for one semester, were conducted in the third grade natural science courses at elementary schools in Taiwan.
The correspondence established between row column designs and block designs for two stage experiments by Parsad et al. [2003. Structurally incomplete row column designs. Comm. Statist. Theory Methods 32(1), 239 261] has been exploited in obtaining designs for such experimental situations.
The proposed designs can also be used as universally optimal two-factor orthogonal main-effect plans arranged in incomplete blocks which are also equivalent to orthogonal pairs of balanced incomplete block designs, balanced incomplete block designs for two sets of treatments, and two stage experiments in incomplete blocks with different numbers of treatments for the two stages.
A three stage experiment was conducted where viewers were shown videos with different quality levels in different parts of the scene.
In both carcinogenesis protocols we observed a decrease of SCC multiplicity with respect to WT mice that was close to 49% in the two stage carcinogenesis experiment during the final weeks of the experiment 28-300 weeks) and approximately 33% in the complete carcinogenesis experiment at 36 to 40 weeks.
In the two stage carcinogenesis experiment it was noteworthy that the ratio of SCC to papillomas was markedly decreased in K5-VILIP-1, indicating that the conversion rate was diminished in transgenic mice.
MMP-9 was evaluated in twenty SCCs from the two stage carcinogenesis experiment using a semiquantitative scale (Negative: no stain; positive 1: moderate stain, mostly focal in nature, less than 50% of the tumor cells; positive 2: intense stain, more than 50% of the tumor cells).
Ki67 labeling index was determined in the basal layer of papillomas (n = 22) or basaloid SCC cells (defined as carcinoma cells in contact with stroma) (n = 20) from the two stage carcinogenesis experiment by counting at least 400 cells per tumor.
The two stage hydrolysis experiment with intermediate wash step indicated that a proportion of the β-glucosidase was removed in the washing process.
In order to know the flexural strength of DUT-1 Ice in detail, two stages of experiment were arranged.
The research consisted of two stages of experiments.
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