查询词典 radon measure

Which of the following about radon is correct?

22* 下列哪些关於氡是对的？

Because it is naturally occurring is radon.

1960年发现的一种室内污染物是一个特殊的问题，因为它是自然发生的氡。

This paper presents a scheme of portable instrument for radon measurement , which includes measuring principles, hardware and software.

阐述了一种便携式测氡仪器的设计方案，包括测量原理、硬件和软件。

This thesis discusses principle of measurement, system structure and system performance of the portable instrument for radon measurement in detail.

论文对本次研制的便携式连续测氡仪的测量原理、系统结构和系统性能作了详细的论述。

Radon :good question, i think this is discussed frequently.

radon：这是个好问题，经常有人讨论。

Radon is for all intents and purposes invisible to the naked eye, nose, and what have you.

氡是所有意图和目的，至肉眼看不见，鼻子，而你们给了什么？

Radon is a result of human lung cancer the second largest factor.

氡是一种导致人类肺癌的第二大因素。

Increase indoor ventilation is the most convenient and most effective measures to lower radon.

增加室内通风是最方便、最有效的降氡措施。

The radon levels of the water build up too.

水里氡的含量也就增长。

To find a qualified professional, check with your State Radon Contact.

找到一位具有资格的专家，检查与您的状态氡气联络。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48