查询词典 ultraviolet rays

Effect of Enhanced Ultraviolet-B Radiation on Growth, Development, Pigments and Yield of Soybean Glycine max

紫外线-B 辐射增强对大豆生长、发育、色素和产量的影响。

The denaturation of human superoxide dismutasein the presence urea and guanidine was measured by fluorescence and ultraviolet spectrum.

研究了人血超氧化物歧化酶在脲、胍及不同温度下变性的分子构象与活力之间的关系。

Objective To find ultraviolet spectrophotometry for dexamethasone acetonide content in the half finished product of cream dexamethasone acetonide .

目的建立醋酸地塞米松霜半成品中醋酸地塞米松含量紫外分光光度测定的方法。

The high polymeric substances made by acrylics and ester are of such characteristics as antiweatherability, resistance to ultraviolet light, water proof, heat resistance, etc.

以丙烯酸及其酯制得的高聚物具有优良的耐候、耐紫外光、耐水、耐热等特性，因而，在涂料、粘合剂、皮革、化纤、造纸、印染、助剂等方面有广泛的应用。

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。

Hexagonal nano-silicon carbide thin films doped and undoped with phosphorus which possess a characteristic of the ultraviolet photoluminescence have been deposited by helicon wave plasma enhanced chemical vapour deposition technique under the high hydrogen condition in this work. The optical and electric properties of the doped nano-SiC films together with the electric and photovoltage properties of the n-p nc-SiC/Si heterojunction is studied and analyzed.

本工作利用螺旋波等离子体化学气相沉积技术在高氢气条件下制备了具有紫外发光的六角晶型纳米碳化硅，对这种材料进行了不同比例的磷掺杂，并对这种掺杂的纳米碳化硅的光学、电学特性以及nc-SiC/Si异质结的电学特性和光电压特性进行了研究。

In addition, because urban high-rise buildings block light, pollution and other factors also reduce the chances of children of ultraviolet irradiation, and normal outdoor activities in the 1 ~ 2 hours to get enough vitamin D.

另外，由于城市高层建筑的挡光、环境污染等原因也使孩子照射紫外线机会减少，户外活动正常要在1～2个小时才能获得足够的维生素D。

In addition, as a result of urban high-rise buildings block the light, pollution and other factors also reduce the chances of children of ultraviolet irradiation, and normal outdoor activities in the 1 ~ 2 hours to get enough vitamin D.

另外，由于城市高层建筑的挡光、环境污染等原因也使孩子照射紫外线机会减少，户外活动正常要在1～2个小时才能获得足够的维生素D。

A highlighter does not have its own chemical energy: it converts ultraviolet light in sunlight into visible light.

萤光笔没有自己的化学能原，是把紫外光改变为可见光而以。

The periostracum nature can't lead thick, lead thick will influence the skin normal metabolism, appropriate of horniness it also has a certain protection function to the skin, can resist ultraviolet ray and germ etc. to skin of injury.

角质层自然不能过厚，过厚了会影响皮肤正常的新陈代谢，适当的角质其对皮肤也具有一定的保护作用，可以抵御紫外线以及细菌等等对皮肤的伤害。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。