留意紫外线指数。
The day cream containing UV index.
使用含uv指数的日霜。
The Global UV Index, from low (green) to extreme (purple)
全球紫外线指数，从低（绿色）至极高（紫色）
When the UV Index is moderate or above, sun protection is required.
当紫外线指数属于中度或更高时，就需要采取防晒措施。
A portable and low cost solar UV index (UVI) meter is designed and fabricated.
设计并制作了一种便携式、低成本的日光紫外线指数检测仪。
The UV index prediction has two methods of Statistics Predction and Model Prediction .
紫外线指数预报大致可分为统计预报和模式预报两种方法。
Know the UV index: when the UV index predicts radiation levels of 3 (moderate) or above sun safety practices should be taken.
了解紫外线指数：当紫外线指数预报辐射级别为3(中度)或更高时。
This system can automatically collect the UV index data, analyse and check the history database, research the law of UV radiation in the region.
该系统可自动采集紫外线强度指数数据，进行历史数据库的分析和查询，研究该地区紫外线强度的变化规律。
The UV index (UVI) is the international standard for UV measurement, developed by WHO, the United Nations Environment Program and the World Meteorological Organization.
紫外线指数是由世卫组织、联合国环境规划署和世界气象组织共同制定的紫外线测量国际标准。
5 technical parameters: visible light transmittance, reflectance of visible light, heat rate, UV blocking rate is now commonly used car performance index.
技术参数：可见光透光率、可见光反射率、隔热率、紫外线阻隔率是现在常用的车膜性能指标。
METHODS: By using circle basket test with paracetamol as the dissolution index, detected by UV, to abstract parameters and make correlation analysis.
方法：转篮法，以对乙酰氨基酚为溶出指标，用紫外分光光度法检测，提取参数，并对参数进行相关性分析。
Objective: To set up the dual-index sequence analytical method for UV fingerprint spectra (FPS) in which the dual indices are common peak ratio and variant ration.
前言：目的：建立多维共有峰率和变异率双指标序列紫外指纹图谱分析甘草样品。
After irradiated by ultraviolet (UV) light with a deuterium lamp for 5 h, the thickness of film decreases largely by 55%, and the refractive index of film changes from 1.484 to 1.445 at 550 nm.
经过紫外氘灯光源照射5个小时之后，薄膜厚度减少了55%，而折射率从1.484减小为1.445，光学厚度更是随着照射时间增长呈现出指数变化。
ObjectiveTo analyze the relative similarity in species of Herba Dendrobii by the method of common and variant peak ratio in UV and dual-index sequence analysis.
目的采用共有峰率和变异峰率双指标序列法分析不同种石斛的相似性。
ObjectiveTo analyze the relative similarity in species of Herba Dendrobii by the method of common and variant peak ratio in UV and dual-index sequence analysis.
目的采用共有峰率和变异峰率双指标序列法分析不同种石斛的相似性。
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