A team of physicists in the us has created an infrared laser beam at a point in mid air, by focusing a UV laser onto a tiny volume of oxygen molecules.
美国的一个物理学家团队通过将一束紫外激光聚焦于一小块氧分子中，发明了一种聚焦于半空中一点的红外激光束。
But what they noticed was that even when they turned the flame off they were still getting a signal - in other words, the laser was breaking up as well as exciting the oxygen.
但他们发现，即使将火焰熄灭，仍可以获得一个信号——换句话说，就是激光在激发氧原子的同时也分成了两束。
It's suitable for: oxygen, nitrogen making, dental therapeutic apparatus, instruments and meters, food packaging, laser cutting, and many other industries.
它的适用范围：制氧、制氮、牙科治疗仪、仪器仪表、食品包装、激光切割等诸多行业。
In this article the laser fluorescence spectra and the singlet oxygen relative quantum yield of hematoporphyrin and its derivatives are deter - mined.
本文测定了血卟啉及其衍生物的荧光光谱及单态氧的相对量子产额。
The results indicate that the laser fluorescence intensity and the singlet oxygen quantum yield of hematoporphyrin are better than others and they may be effective photosensitizers.
结果表明，血卟啉的荧光强度和单态氧的量子产额较高，它们均为有效的光敏剂。
Higher oxygen concentrations the presence of combustibles and the narrowness of the surgical field during endolaryngeal diode laser surgery are risk factors for airway fires.
较高的氧气浓度、助燃物的存在，以及狭窄的手术视野是从事二极体激光喉内视镜手术之危险因子。
The result indicates that laser irradiation can move the oxygen dissociation curve of red blood cell toward the left direction, at some conditions.
与对照组相比，在一定条件下，激光照射能使红细胞的氧解离曲线向左偏移。
The procedure of pipe laser oxygen cutting and the model of generation of striation on cut surface were studied respectively.
了研究管材激光有氧切割过程和切割表面条纹形成模型。
No significant difference has been figured out, which suggests the feasibility of oxygen-aided laser cutting, as its more efficient in large scale production.
结果发现各方面性能差别不大，可以在大批量的工业生产中用效率更高的激光氧气切割代替机械切割。
This paper introduced the advantage and application of nitrogen in laser cutting, by comparing with oxygen lance cutting.
通过和氧气切割的对比，介绍了氮气在激光切割中的优势和应用。
First of all, control experiments were carried out to investigate the influence of low level laser irradiation on oxygen dissociation curve of red blood cell, and on oxygenating process of blood.
首先，通过进行对照实验研究了弱激光的照射对血液的氧合过程和红细胞氧解离曲线的影响。
The level of reactive oxygen species (ROS) was detected with confocal laser scanning microscope and FCM.
ROS水平分别采用激光共聚焦显微镜和FCM检测；
Then, the idea that detecting oxygen concentration by using laser diode wavelength modulation and harmonic signal treatment was proposed.
在分析比较的基础上，提出将激光二极管发射波长调制及谐波检测分析处理技术用于氧气浓度检测。
The effects of cutting speed and aided oxygen pressure on the cutting quality and the adhesive slag quantity were analysed in the experiment of cutting of aluminium plate by CO2 laser.
在CO2激光切割铝面板的试验中，分析了切割速度和辅助氧压对切割质量及熔渣附着量的影响；解决了工件逆反射的难题；获得了激光切割铝板的较佳工艺参数。
We firstly measured gain spectra of chemical oxygen-iodine laser by a tunable diode laser driven by a signal generator and got relative percentages of gain spectra.
利用可调谐二极管激光器为探测光源，直接测量了氧碘化学激光器的增益谱线的精细结构及其各谱线所占比例。
In Chemical Oxygen-Iodine laser (COIL) system, the water vapor produced from the generator of singlet oxygen can have severe negative effects on the output of the laser power.
氧碘化学激光(简称COIL)系统中，水是影响激光功率输出的最重要的原因之一。
This paper demonstrates for the first time the feasibility of an electrically initiated pulsed oxygen-iodine laser which can be initiated efficiently by low energy electrons.
报道首次利用放电引发方法实现脉冲氧碘化学激光器的研究结果。证实低能电子也能很有效地引发氧碘激光反应。
The gain characteristics of a pulsed oxygen-iodine chemical laser has been studied theoretically.
本文对脉冲氧碘化学激光器的增益性能进行了理论估算。
The pressure recovery system is an important part of Chemical Oxygen-Iodine Laser(COIL).
压力恢复系统是氧碘化学激光器的重要组成部分。
The behaviors of platinum dissolution in N21 and N31 phosphate laser glass under different temperatures and oxygen bubbling conditions were investigated in this work.
研究了N2 1和N3 1二种磷酸盐激光玻璃中铂金在不同温度、不同通气条件下的溶解情况。
The oxygen permeation flux through the membrane with cross stripes pattern on both sides is 34% higher than that through membranes without laser ablation treatment.
十字交叉双面刻蚀后，其透氧量比未用激光处理的样品提高了大约34%。
The oxygen permeation flux through the membrane with cross stripes pattern on both sides is 34% higher than that through membranes without laser ablation treatment.
十字交叉双面刻蚀后，其透氧量比未用激光处理的样品提高了大约34%。
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