The quantity and quality of radiotherapy professionals, especially the radiation engineers should be improved as soon as possible.
但放疗机构和治疗设备区域分布不合理，放疗机构人员的数量和质量都亟待提高，特别是高素质放射物理师；
Because of the continuous decay, the quantity of radioactive material and the rate of emission of radiation decrease steadily.
由于连续衰变的结果，放射性物质的数量，辐射发射率都逐渐下降。
The abnormalities in quantity, morphology and function of cells, especially the excessive apoptosis, might be the important mechanism of delayed wound healing induced by radiation.
辐射后细胞数量、形态及功能异常，尤其是细胞凋亡发生过度，可能是导致辐射延迟伤口愈合的重要机制。
Radiative effects of dust aerosol impacted the solar radiation flux arrived the floor, solar heating rate, temperature, wind, and the physic quantity of boundary layer.
沙尘辐射效应影响到达地面短波辐射量、短波辐射加热率、温度、风及边界层特征量等的变化。
Contributes to a research on the vibration radiation noise of piezoelectric pump. Two theory models are introduced, which calculate the synthetic sound pressure according to the vibration quantity.
研究压电泵振动放射噪声，提出两种由振动量计算压电泵合成声压的理论模型。
Radiation energy absorbability (REA) is a quantity similar to Linear energy Transfer (LET) to study the safety of spacecraft in the radiation environment of space.
辐射能量吸收率(REA)是一个与线性能量传输(LET)类似的物理量，可用于研究航天器在空间辐射环境中的安全问题。
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。
As an operator who goes in for radiology, he should well know how to lower the radiation dose effectively to protect the patient, while assure of the quantity of images.
CT检查中如何有效减少辐射剂量，保护患者，同时保证图像质量，作为从事放射的工作人员应该充分认识。
The relationship between the position and the efficiency and quantity of the reflected radiation of the heliostat in the field is deduced.
导出了定日镜反射辐射量与其在镜场中位置之间的关系。
It mainly focuses on traceability, maintain, quantity transfer and stability of the National and working standard for the measurement direct and global solar radiation in China.
本文介绍了世界辐射基准的传递和我国辐射标准的溯源、维持、传递及其稳定性。
The influence of nano-particles ferric oxide quantity to the performance properties of ultraviolet radiation shield nano - coatings.
讨论了纳米氧化铁的不同加入量对涂层抗紫外光性能的影响。
This paper briefly describs a method of quantity value delivery and range extension of laser radiation power.
简述传统激光辐射功率量值传递和量程扩展方法，用经典理论和量子光学理论对传统方法进行了简要分析。
As the radiation to the ground was blocked by the straw mulching, the soil temperature decreased as the quantity of the mulched straw increased.
秸秆覆盖阻挡了太阳辐射向地面的传播，土壤温度也随着覆盖量的增加而下降。
As the radiation to the ground was blocked by the straw mulching, the soil temperature decreased as the quantity of the mulched straw increased.
秸秆覆盖阻挡了太阳辐射向地面的传播，土壤温度也随着覆盖量的增加而下降。
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