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- polluted gas detecting 污染气体检测
- The factories are releasing polluted gases into the atmosphere. 这些工厂向大气层散发有害气体。
- The fixed gas detection system with automatic self test. 具有自我自动校正功能的固定式气体侦测系统.
- Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar. 探测大气中污染气体的浓度是激光雷达的一个重要应用方面,最小可探测浓度是衡量一个雷达系统的重要指标。
- When the earth's atmosphere acys like a blanket of polluted gases, the extra heat becomes trapped inside, causing the temperature to rise. 有害气体会使大气层变成一张厚厚的毯子,过多的热量因无法散发,而造成气温升高。
- At last, least squares fit is done between differential absorption cross section and differential absorption spectra to retrieve concentrations of polluted gases. 将差分吸收截面和差分吸收光谱做最小二乘法拟合,即可得出相应波段内的污染气体的浓度。
- In the article a method of pollutant gas cloud spectrum real-time simulation based on Gauss diffusion mode was founded. 建立了基于高斯扩散模式的污染气体云团光谱实时仿真的方法,通过这种方法进行了实时仿真,并与实测数据进行了比较。
- An intriguing clue is the argon 40 gas detected by Huygens as it descended through Titan's atmosphere. 还有个令人好奇的线索：在惠更斯探测器降落泰坦、通过其大气层时，侦测到氩40气体。
- Some polluting gases are released from those workshop. 那些工厂释放出一些被污染过的气体。
- According to the Beijing Youth Daily, the mine failed to install a gas detection system and explosives were stocked in a storeroom underground. 据北京青年报，煤矿没有安装瓦斯检测系统和爆炸物被放在一个地下库房。
- In addition, four indoor pollution gas, formaldehyde standard rate of 27.8%, is from benzene (toluene, xylene) standard rate of 15%. 此外，室内污染四大毒气中，甲醛超标率为27.;8%25，苯系物(甲苯、二甲苯等)超标率为15%25。
- To analyze the problem in the flammable gas detective and alarm system in the PX plant and put forward some suggestions of more improvement. 分析PX装置可燃气体检测报警系统存在的问题,阐述处理问题的办法,提出进一步改进的建议。
- The new launch center aims to serve the next-generation rocket carriers that do emit poisonous and pollutive gas and new-type spacecraft. 新的发射中心将用于发射确实会释放出有毒污染气体的下一代火箭航母以及新型的宇宙飞船。
- The data fusion concept is introduced and the Dempster-Shafer evidence deduction is described and applied to oil and gas detection. 信息融合是现代信息技术与多学科交叉、综合、延拓产生的新系统科学研究方向。
- Introduce according to saving indoor environment to monitor central expert, current, the formaldehyde in indoor pollution gas is the commonnest. 据省室内环境监测中心专家介绍，目前，室内污染气体中甲醛最常见。
- Common photoacoustic gas detection model is not suitable for fire warning because of poor real-time performance and high wavelength qualifications. 摘要普通光声气体探测模型因其实时性能差及波段要求高而不适用于火灾报警系统。
- In view of many issues from the present gas detection systems,a kind of multi-stage monitoring &management system frame for the coal mine gas safety is designed. 针对目前使用的煤矿瓦斯监测系统存在的种种问题,设计了一种矿井瓦斯远程多级监控监管网络系统构架平台。
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
- Behaviors of harmonic signals in wavelength modulation spectroscopy (WMS) for gas detection with Lorentzian line under high absorption strength are investigated. 基于洛伦兹线型近似，研究了高吸收强度下波长调制吸收光谱中谐波信号的行为。
- The atmosphere of the city is very much polluted. 那个城市的空气受到严重污染。
