For human beings, natural radiation is the main source of radiation. It is much more than the radiation exposure from all nuclear facilities for peaceful purposes.
天然辐射是人类所受辐射照射的主要来源，远大于用于和平目的所有核设施带给全世界人口的辐射照射量。
The printer comprises a print head for printing the ink onto a substrate, a heating means for heating the ink on the substrate, and a source of radiation for curing the heated ink.
所述印刷机包括：用于在承印物上印刷油墨的印刷头、用于加热所述承印 物上油墨的加热装置和用于固化所述受热油墨的辐射源。
Radon in our homes is the main source of exposure to ionizing radiation, and accounts for 50% of the public's exposure to naturally-occurring sources of radiation in many countries.
我们家中的氡是接触致电离辐射的主要来源，在许多国家中占大众接触自然发生的辐射源的50%。
"Particles of dust and smoke are practically transparent in the microwave range, but the radiation is still strong enough for the source of a fire to be detected," said team leader Nora von Wahl.
“灰尘和烟雾的颗粒实际上在微波范围内是透明的，但辐射仍然很强，足以被检测到火源，”研究组长Nora von Wahl说。
This fallout material decays over a long period of time, and is the main source of residual nuclear radiation.
尘降物需要很长的时间才会衰减，这是核辐射残留的主要来源。
The galactic center is a rich and complex source of infrared radiation in which interesting phenomena occur in great variety.
银河系中心是一个红外辐射丰富和结构复杂的源，在那里发生着各种各样的有趣现象。
The machining center location should be away from the source, should avoid direct sunlight and heat radiation, avoid the influence of moisture and air.
加工中心的位置应远离振源、应避免阳光直接照射和热辐射的影响，避免潮湿和气流的影响。
The main source of vitamin D is exposure to ultra-violet radiation in sunlight, which produces vitamin D in the skin.
维生素D的主要来源是通过阳光中的紫外辐射在皮肤中合成的。
Altitude plays a big role, but the largest source of background radiation comes from radon gas in our homes (about 2 mSv per year).
海拔起着很大的作用，但天然辐射的最大来源，来自建筑物的氡气(每年约2毫希沃特)。
We prepared broadband source of transducer system in fiber grating by analyzing characteristics of amplification spontaneous radiation spectrum and LD drive in erbium doped fiber.
通过对掺铒光纤放大自发辐射谱特性和LD驱动电路的分析，最终研制出用于光纤光栅传感系统的宽带光源。
The radiation problem is transformed into a transmission problem of the corresponding waveguide structure to avoid the difficulty of the field source problem which is met in the traditional analysis.
在分析过程中，将天线的辐射问题转化为相应波导结构的传输问题，从而避免了求解场源问题的困难；
The energy shot by the source in the laboratory of seismic-physical model has significant directional difference, called source radiation effect of physical model.
地震物理模型实验室中采集所用震源激发的能量具有明显的方向差异性，这一特性称为物理模型的震源辐射效应。
The plasma microwave radiation, as a novel high power microwave(HPM) source, has gotten more attention in recent years for its merits of broadband, coherent emission and tunable frequency.
近年来，等离子体微波辐射作为新兴高功率微波源，因其具有频带宽、相干和可调谐等优点，因而受到国际上的广泛关注。
Conclusions Imaging procedures are an important source of exposure to ionizing radiation in the United States and can result in high cumulative effective doses of radiation.
结论：在美国，影像操作是一个重要的电离辐射暴露来源，并可导致较高的辐射累积有效剂量。
The variation of energy due to the source over the wavelength span of the emitted radiation.
能量因光源的辐射波长跨度变化而变化。
The law of characteristic X-rays emitted by target element under the radiation of isotope source in a range of low energy is discussed.
介绍了在低能范围内利用放射性同位素源发出的初级射线，照射和激发靶片元素产生的特征X射线的规律性；
Considering the radiation security and economy factors, optimization study is done on the shielding design for the horizontal heat source ducts of China advanced research reactor (CARR).
考虑辐射安全和经济性，对中国先进研究堆(CARR)的水平烫源孔道作了屏蔽设计优化研究。
On Monday, they resorted to powdered bath salts to produce a milky color to help trace the source of the radiation leak.
星期一的时候，他们尝试着用沐浴盐所产生的白色气泡来判断核泄漏的地方。
Analysis and evaluation were carried out on the safety grade of the radiation source, radiation prevention site and the exposure dose level of the working staff.
方法通过现场监测，按照标准对辐射源安全级别，场所辐射防护区域，工作人员接受的剂量水平进行分析评价。
The design of measuring system based on virtual instrument for object infrared radiation intensity is described in accordance with the radiation source.
详细阐述了以辐射源为基准，基于虚拟仪器的物体红外辐射强度测量系统的设计。
Through measuring the radiation quantity around surroundings where radioactive source is placed, it estimates the status of radioactive source automatically, and gives an alarm of light and sound.
仪器通过实时监测放射性源对周围环境的辐射量来判断放射性源所处的状态，并能自动予以声、光报警。
Solar radiation is the foremost source of energy for Earth climate, so a minor error in calculation of the heating rate about short wave radiation may cause a prodigious mistake in climate modeling.
太阳辐射是地球气候最终的能量源，在短波辐射加热率计算中的一个小的误差就可能引起气候模拟中很大的误差。
Uses: Oilfield well control operations, metal smelting and chemical industryes such as a heat source or heat radiation of high-temperature environments.
用途：油田井控制作业，金属冶炼及化工行业等有热源或热辐射的高温环境。
From the Angle of active detection, a new radiation source information database is presented, and the algorithm of fuzzy comprehensive evaluation is applied to the radiation source recognition.
文章从有源探测的角度出发，提出了一种新的辐射源信息数据库，并采用模糊综合评判方法进行辐射源识别。
Critical theories of earthquake mechanics, source radiation and energy release are intensively studied in this paper for a completeness of systematic investigation on the topic.
对地震力学、震源辐射和能量释放等经典理论问题进行了系统研究。
With the gas water heater as heat source, low temperature floor radiation heating of dwelling is introduced.
介绍了对民用住宅，以燃气热水炉为热源，采用低温地板辐射采暖技术。
With the gas water heater as heat source, low temperature floor radiation heating of dwelling is introduced.
介绍了对民用住宅，以燃气热水炉为热源，采用低温地板辐射采暖技术。
应用推荐