查询词典 ultraviolet rays

Thesummertime is 11: 00 ~ 15: 00) is the ultraviolet ray most intensetime, should avoid in this period of time insolation exposing to thesun as far as possible under the sunlight.

00～14：00(夏令时是11：00～15：00)是紫外线最强烈的时间，应尽量避免在这段时间曝晒在太阳光下。

The intercalation ultraviolet absorption material begins combustion decomposition of interlamination negative ions at around 425 DEG C, and reaches peak temperature of exothermic peak thereof at the temperature of 478 DEG C, thus having strong thermal stability and being an excellent light and heat stabilizer.

该材料在约425℃左右才开始层间阴离子的燃烧分解，478℃达到放热峰的峰值温度，具有很强的热稳定性能，是一种优良的光热稳定剂。

It was found that the practical value of the relative intensity of ultraviolet radiation in the radiation distance of 50 to 100 cm was conincident with theoretical one calculated by the square inverse ratio law.

结果：照射距离为50～100cm时紫外线照射相对强度的实测值与以平方反比定律计算的理论值相符，25cm时实测值远小于理论值。

It was found that the practical value of the relative intensity of ultraviolet radiation in the radiation distance of 50 to 100 cm was conincident with theoretical one calcuIated by the square inverse ratio law. In the radiation distance of 25 cm, the practical value was less than theoretical one.

但实际上治疗用的紫外线灯管多为U型灯管，光照强度与光源距离的关系是否仍符合平方反比定律曾有不同意见，为此我们进行了紫外线照射距离改变对强度影响的测试。

According to the ultraviolet absorption spectra of iodine,iodide ion and triiodide ion, a method for determination of iodine in edible salt added potassium iodate was proposed.

根据碘 (I2 )、碘离子和碘三离子(I3 -)的紫外吸收光谱，拟订了加碘酸钾食盐中碘含量的光度测定方法。

Using Agilent 8453 ultraviolet-visible spectrophotometer, the affecting factors were studied on the kinetic processes in iodometry involved in the volatilization of iodine and the oxidation of iodide ion by dissolved oxygen, in particular such as the shape of the vessel, the volume of the solution tested, the concentration of KI and the temperature and the acidity of tested solution.

利用紫外－可见分光光度仪测量了I2挥发、I在酸性介质中被溶解氧氧化的动力学过程，着重研究了容器形状、溶液体积、KI浓度、温度等因素对I2挥发速率的影响以及溶液酸度与I氧化反应速率的关系。

It is the Extreme Ultraviolet radiation from the sun which is responsible for forming and maintaining the ionosphere.

这是极端紫外辐射从负责对形成和维护电离层的太阳。

The experimental results show that the distribution of ultraviolet irradiance can be homogenizing by changing gray value.

处理结果表明，通过灰度调制可以得到比较均匀的辐照度分布。

That's because solar ultraviolet light irreversibly breaks down methane in Titan's mostly nitrogen atmosphere.

这是因为太阳紫外线分解了泰坦以氮为主大气中的甲烷。

Methods: Polytetrafluoroethylene and polypropylene film electrets were prepared by constant voltage corona charging at room temperatures. The charge-store stability of PTFE and PP were studied by measuring isothermal surface potential decay after different dose of ultraviolet radiation.

用常温恒压电晕充电系统将聚四氟乙烯和聚丙烯两种材料极化制备成驻极体；用补偿法测量不同剂量的紫外照射后驻极体的表面电势。

It has to be computed by the host for the actual clock rate.

主控制器可以用来计算实际的时钟速率。

Let's see what you got.

让我看看你的东西