A high-temperature gas-cooled reactor (HTGR) is a type of gas-cooled nuclear reactor which uses uranium fuel and graphite moderation to produce very high reactor core output temperatures. [1] . All existing HTGR reactors use helium coolant.

2021年1月1日 · Among all reactor types, HTGR has excellent inherent safety and its safety has been demonstrated in experimental reactors. This chapter explained the features of HTGR such as structure, heat application, and the history of development.

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2023年11月8日 · 在本次比较分析中，我们将深入研究 HGTR-KTP 和传统 KTP 的特性，检查它们的非线性系数、温度接受带宽和最佳相位匹配条件。 KTP 晶体在化学界被称为 KTiOPO₄，在光学和激光技术领域占有重要地位。 这些晶体因其在固态激光器倍频中的作用而特别受到好评。 传统 KTP 的脱颖而出之处在于其无与伦比的相位匹配属性，这在激光应用中至关重要。 传统 KTP 的效率和可靠性使其在多种温度梯度下都能保持稳定，从而确保用户在不同的操作环境中保持其可 …

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Discounted cash flow: A method of valuation used to determine the value of an investment based on its return in the future–called future cash flows. It helps to calculate how much an …

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所谓“ 灰迹 ” (GRAY Tracking) 源自复合词“GRIIRA” (Green Induced Infrared Absorption)即晶体经高频或连续的高亮度激光照射，线性吸收不断累积发生光折变效应所导致的一种体损伤，直接的表现是晶体内部出现黑色或灰色的损伤痕迹。 传统熔盐法生长的KTP晶体在二倍频过程中，晶格中的 Ti+4 离子捕获自由电子成为 Ti+3 离子。 Ti+3 离子中心对绿光的吸收较强，并同时辐射近红外光。如激光功率密度超过一定的阈值，这一过程就会加速，导致SHG转换效率不断下降直至器件完 …

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