The last part mainly has calculated heat quantity which the solar-pumped alexandrite laser absorbs when output power is 50W. Adopting two methods, one directly uses the solar spectrum radiation intensity, and other kind indirectly uses the 5900K black body radiation intensity. Every one has strong point. In terms of the heat quantity which obtained, the heat quantity which the laser needed to disperse has been gained, and as a result of the outer space cold environment, it is suggested the heat pipe technology is applied in disperse heat.
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The paper takes wreath epoxy chloropropane, bisulfite sodium as raw material, the adopting two methods to synthesize 2,3-oxiranemethane sulfonic acid sodium salt;
以环氧氯丙烷、亚硫酸氢钠为原料，采用两步法合成2，3-环氧丙磺酸钠；
The practice has proved the application results of adopting these two methods tally with the actual logging results of core well.
实践证明，采用这两种方法的实际应用结果与岩心实测结果吻合较好。
On the base of tests, two kinds of measuring methods adopting different standard distance of the elastic modulus of plastic concrete have been analyzed and a more reasonable method has been found.
在试验的基础上分析了塑性混凝土弹性模量采用不同标距的两种测试方法，得出了测试塑性混凝土弹性模量较为理想的方法。
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