【单选题】【消耗次数：1】
藻酸盐印模材料的凝固原理为（）
①
聚合变化
②
物理温度变化
③
物理压力变化
④
离子交换变化
⑤
化学变化
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相关题目
【单选题】
下面不是藻酸盐印模材料性能的是（）
①
一种弹性不可逆水胶体印模材料
②
完成印模后可以复制多个模型
③
完成印模后尽快灌注模型
④
具有良好的流动性、弹性、可塑性、准确性、尺寸稳定等优点
⑤
与模型材料不发生化学反应
【单选题】
随着温度和压力的变化，气体溶解度的变化为（ ）。
①
温度升高，压力降低，溶解度增大
②
温度升高，压力升高，溶解度减小
③
温度降低，压力降低，溶解度减小
④
温度降低，压力升高，溶解度增大
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