Dynamic analysis and research of forehand close-to-table counter-driving forward;
孔令辉正手近台反冲前冲弧圈球技术的运动学分析
Based on observing forehand attack technique of beginner in table tennis education,this paper analyzes the ordinary mistake and reason of forehand attack and puts forward some measurements for improving the accurate.
根据在教学中对乒乓球初学者正手攻球情况的观察,分析正手攻球常见的错误、原因,并提出了提高准确性的几点措施。
Study on cell proliferation and apoptosis level in radiation-exposed persons
核辐射接触人员淋巴细胞增殖与凋亡水平检测
non-contact radiation infrared hygrometer
不接触式红外辐射湿度计
Mathematical model and analysis of contact heat transfer with radiation
考虑辐射影响的接触传热模型与分析
And comparing with radiation heating, atom diffusion velocity at interface quickened.
与辐射加热相比，接触面处原子扩散速率加快。
Start with a hands-free headset, which may minimize exposure to radiation.
使用无需手持的耳机能使接触辐射量降至最低。
A new non-contact method based on relative radiation intensity for determining junction temperature of LEDs
基于相对辐射强度的非接触式LED结温测量法
Effects of web shape and contact position on sound radiation characteristic of railway wheel
辐板型式和轮轨接触点位置对车轮声辐射特性的影响
The measurement method of radiated radio interference from contact system of AC electrified railways
GB/T15709-1995交流电气化铁道接触网无线电辐射干扰测量方法
A Study on the Relationship between Occupational Stress and Work Ability of Workers Exposed to the Low Dosage Ionization Radiation;
接触低剂量电离辐射作业人员职业紧张与工作能力关系的研究
scattered radiation proximity indicator
散射辐射接近指示器
direct radiation proximity indicator
直接辐射接近指示器
"In hospitals and laboratories, X-ray technicians stand out of the range of the radiation. When radium is used, lead shields protect workers from the rays. "
在医院和实验室，x光技术员离开辐射范围。使用镭的时候，铅制隔墙保护工作人员不接触射线。
radiant flame, steam impingement on the container, immersion in a heated water bath or electrical resistance heater elements in direct contact with the container.
辐射火焰、容器上的蒸汽冲击、热水槽中的浸泡或直接接触容器的电阻加热元件。
ionizing radiation proximity indicator
电离辐射接近指示器
normal direct solar irradiance
法向直接日射辐照度
"Burn: Damage caused to the Body by contact with flames, hot substances, some chemicals, radiation (including sunlight), or electricity."
烧伤: 接触火焰、炽热对象、某些化学物质、辐射(包括阳光)或电力所造成的身体损伤。
radionuclide contact therapy
放射性核素接触治疗
Ionizing radiation refers to electromagnetic or corpuscular radiation that directly or indirectly causes ionization of any material.
一游离辐射：指直接或间接使物质产生游离作用之电磁辐射或粒子辐射。