紫外辐射

Objective To explore the involvement of p38 and ERK signal transduction pathways in UVB-induced cell apoptosis.

目的 探讨p38和ERK信号途径在紫外辐射B导致细胞凋亡中的作用。

Raman spectroscopic study on the influence of heat treatment and ultraviolet radiation on DNA.

热处理和紫外辐射对DNA影响的拉曼光谱研究。

Illuminometer:Ultra - Violet Radiation Illuminometer , Light Illuminometer

验光机：验光机；47。照度计：紫外辐射照度计、光照度计

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。

There are sensitivity differences of reproductive characteristics to UV-B radiation between wheat and oat.

小麦和燕麦的繁殖特性对紫外辐射的敏感性差异很大。

UV has low penetrating power, so its effects on humans are limited to the skin.

紫外辐射对人体的直接作用多仅局限于皮肤表面，包括刺激制造维生素D、灼伤、晒黑、老化以及癌等病变。

The silicon dioxide matrix could delay the photodecomposition process of the organic complexes.

考察了部分稀土有机配合物二氧化硅复合材料的耐紫外辐射性能。

BR and GABA may build up the resistant ability to high temperature and ultraviolet radiation by altering the level of phytohormone in tissue of wheat.

BR和GABA对小麦主要器官中激素含量的改变，可能是对高温胁迫和紫外辐射抗性增强的重要原因。

About 4,000 light-years from planet Earth toward the nautical constellation Puppis, the nebula spans over a light-year and is energized by ultraviolet light from the central star.

这个星云位在航海星座的船尾座内，离地球约有四千光年远，大小略高於一光年，在中心星紫外辐射的激发下发光。

To the divisions which are engaged in biology, chemistry, medecine,sanitation, food, detective work, archaeology and to the factories of lamp production and glass production in which the ultraviolet transminssion rate of filter plate and quartz glass plate are measured meter is a necessary for often use purposes.

可广泛适用于测量各种场合的紫外辐射强度，对从事生物、化学、医疗、卫生、食品、侦破、考古部门和对测量滤色片及石英玻璃片的紫外线透过率，是生产灯泡和玻璃制品厂等单位的必备的检测仪器。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。