This paper introduces Xu Youren's system of algebraic symbol for power series, and dose research on its characteristics.

介绍并研究徐有壬的幂级数代数符号系统的方法和特点。

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Objective: to evaluate the clinical value of bolus injection with large dose of contrast agent by power injector on MR imaging of metastatic brain tumor and in application of MRA.

目的：探讨大剂量对比剂注射器团注在脑转移瘤及其血管成像中的临床意义。

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Furthermore, since the drugs attack power and extreme damage justice, it must strictly adhere to the dose used, centralizer with drugs or with the application.

此外，由于本类药物攻伐力强，极易损伤正气，故使用时必须严格掌握其剂量，或与扶正类药物配合应用。

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This report will further examine this susceptibility by analyzing temporal trends in childhood cancer in populations exposed to low-dose nuclear power plant emissions 5-10 years after initial exposure.

FORBES: French System For Cleaning Fukushima Water Blamed For Leukemia, Polluted Beaches In Europe

The Japanese nuclear power industry needs a good dose of cleansing sunlight, and as we weigh our own energy portfolio we need to ensure we ground any energy industry in a strong culture of transparency, accountability, and safety.

FORBES: Nuclear Power Needs Greater Transparency

Most Americans probably don't realize it, but the United States got its first dose of new nuclear power in more than a decade in May.

FORBES: Magazine Article