The extraction of red pigment from red sweet pepper with methanol was reported. Effect of the PH value, heat and sunlight on the stability were researched in depth.
本文报道了采用甲醇从红甜椒中提取甜椒红色素的工艺，并对P H值、光、热等因素对其稳定性的影响，作了较深的研究。
Other researchers have tried to use the photosynthetic parts of plants directly for harnessing sunlight, but these materials can have structural stability issues.
其他团队的研究人员也试图直接利用阳光来进行植物的光合作用部分，但这些材料可能存在结构稳定性的问题。
Being stored away from direct sunlight, the stability of lomefloxacin ear drops is good.
在无阳光直射条件下室温贮存本制剂稳定性好。
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