In areas where river deltas inject organic material and dissolved trace elements into the sea, for instance, it's not clear how all of the intricately related processes will affect water chemistry.
例如，在有些地区，河流三角洲将有机物质和溶解的微量元素注入海洋，目前还不清楚所有这些错综复杂的相关进程将如何影响水的化学性能。
Tunable diode laser absorption spectroscopy has been applied in the fields of atmospheric chemistry and monitoring pollutant gases as a new method of measuring trace gases.
红外可调谐二极管激光吸收光谱技术作为新的痕量气体监测分析方法，在大气化学研究和污染气体监测中得到了应用。
Urbanization has caused a large amount of emissions of trace gaseous pollutants, aerosols and ozone precursors, inducing the disturbance in regional atmospheric chemistry circulation.
城市化已引起大量痕量气态污染物、气溶胶以及臭氧前体物的人为排放，从而引起区域大气化学循环的扰动变化。
Being at the forefront to the current international analytical chemistry, trace analysis and speciation analysis is important and practical to the studying and protecting environment.
痕量分析和化学形态分析是国际上现代分析化学的前沿课题，对于生态环境的研究与保护具有重要的学术意义和实用价值。
N2O and CH4 are important atmospheric trace gases, which play significant roles in the global warming and atmospheric chemistry.
氧化亚氮、甲烷是大气中重要的微量气体，对全球变暖和大气化学有重要作用。
N2O and CH4 are important atmospheric trace gases, which play significant roles in the global warming and atmospheric chemistry.
氧化亚氮、甲烷是大气中重要的微量气体，对全球变暖和大气化学有重要作用。
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