查询词典 ultraviolet

Remote sensing in ultraviolet and vacuum ultraviolet can help us recognize many spatial phenomenon, such as dayside and nightside airglow,aurora.

在自然界中有许多现象都反映在紫外-真空紫外波段，如太阳的紫外光谱反映着太阳的物理构成及其变化规律，地球的大气气辉和极光等也是太阳辐射和地球大气相互作用的表现，宇宙中的许多恒星，其温度都很高，辐射峰值多在紫外-真空紫外谱区。

Several transient compounds were synthesized by the homo- and heterogeneous reactions of reactive halogen compounds, In-situ ultraviolet photoelectron spectroscopy and photoionization mass spectroscopy as well as theoretical calculations were used to study their molecular structures, stability and molecular orbital properties, their electronic structures and geometric structures were obtained for the first time; Simultaneously, the electronic structure and thermal dissociation of acetyl peroxynitrate and trifluoroacetyl peroxynitrate which have great importance in the atmospheric chemistry were studied; The substituent effects of series of halopyridines and halothiophenes were studied by the ultraviolet photoelectron spectroscopy method for the first time. The atmospheric chemical reaction between peroxyacetyl radicals with IO radicals as well as the dissociation of the most stable isomer of CH3COIO3 were calculated by density functional theory, it was found that the CH3COOIO2 isomer may be act as a new reservoir of inorganic iodine in the stratosphere.

通过活性卤素的系列均相与非均相化学反应合成了几种瞬态物种，采用原位紫外光电子能谱和光电离质谱结合量子化学理论计算对化合物的分子结构、稳定性以及分子轨道特性进行了研究，首次获得了这些物种的电子结构和几何结构的信息；同时研究了大气中有重要作用的乙酰过氧硝酸酯和三氟乙酰过氧硝酸酯的电子结构性质及热解过程；采用紫外光电子能谱手段首次研究了系列卤代吡啶和噻吩的取代基效应；通过量子化学理论计算研究了乙酰基过氧自由基与IO自由基的大气化学反应及其最稳定异构体CH3COOIO2的解离，发现该物种可能是无机碘化合物在平流层中的储库物种。

A friend invited me to Nepal, originally, I thought I would suffer from the reaction of high altitudes and ultraviolet irradiation, therefore, I prepared the Northland water proof and breathable equipment, OZARK down-filled sleeping bag, super anti-ultraviolet radiation sun-proof cream and classes except of snow glasses, and one thing is very important, it is a pair of Gore-Tex Garmont shoes.

去尼泊尔是我的一个朋友邀请我去的，开始我以为去那里要经历一些高山反映、紫外线的照射、所以准备了NORTHLAND的冲锋衣裤、OZARK的羽绒睡袋、高倍数的防紫外线的防晒霜、眼镜，只差没有买雪镜了。还有最重要的就是一双GORE-TEX GARMONT的鞋子。

Based on the perdurable performance of the asphalt pavement are influenced by water, heating, ultraviolet radiation, this paper studies the water stability, heating ageing and ultraviolet radiation ageing of bituminous mixtures.

基于水、热和紫外线对沥青路面耐久性的影响，针对沥青混合料浸水、受热老化和紫外线老化三个方面进行研究。

In this paper, the principles and instruments of related petrolatum measurement for oil in water are analyzed, including infrared spectrometry, ultraviolet spectrometry, optical reflection method and ultraviolet fluorescence spectrometry, comparing their advantages and differences.

本文分析了水中矿物油检测技术的基本工作原理和仪器方法，包括：红外光谱法、紫外分光光度法、光反射法和紫外荧光法，比较了不同方法在测定矿物油时各自的优点和缺陷。

In this paper,the principles and instruments of related petrolatum measurement for oil in water are analyzed,including infrared spectrometry,ultraviolet spectrometry,optical reflec- tion method and ultraviolet fluorescence spectrometry,comparing their advantages and ...

其中，紫外荧光检测由于灵敏度高，速度快，便携，可用于实时在线连续检测，且检测结果具备很高的可靠性，成为未来水中油检测优先考虑的方法。

In this image, far-ultraviolet light is blue, near-ultraviolet light is green and radio emission at a wavelength of 21 centimeters is red.

在这种形象，远紫外线是蓝色的，近紫外线是绿色和无线电发射波长为二十一厘米是红色。

The spectral responsivity is one of the important parameters of detector. With the development of ultraviolet detect technique, accurate measure for the spectral responsivity of ultraviolet detector becomes more and more important.

光谱响应度是探测器的重要技术参数之一，随着紫外探测技术的发展，精确测量紫外探测器的光谱响应度变得越来越重要。

In this kind of treatment, the ultraviolet light of the sun and artificial ultraviolet rays are used as healing therapies.

在这样的对待，太阳紫外线和人工紫外线被用作治疗方法。

The aim of this paper was to measure the ultraviolet absorption value of conjugated linoleic acid and some unconjugated fatty acids as well as to study the influence of conjugated double bond on the ultraviolet absorption of fatty acids.

测定共轭亚油酸及部分非共轭脂肪酸的紫外吸收，研究共轭双键对脂肪酸紫外吸收的影响。

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。