This study is part of efforts by the U.S. Geological Survey's National Water-Quality Assessment Program to monitor the quality of the nation's groundwater and surface water.
这项科学研究是美国地质调查局国家水质评估项目的一部分，旨在对美国地下和地表水质进行检测。
The model has been applied to the program of controlling water quantity and water quality in order to improve the water quality of the river network of Wuxi City.
本模型已用于为改善无锡河网水质而进行的水量、水质调控方案的研究中。
Conclusions Qualified laboratories were selected for survey of fluoride and arsenic in drinking water through interlaboratory quality control program in Shaanxi Province.
结论通过饮水氟、砷测定室间质量控制，为陕西省饮水氟、砷筛查项目筛选出了合格的实验室。
The quality detecting for two phase flow of water vapor is analyzed theoretically and the program for detecting continuous quality is designed by using of nuclear radiation sensor.
对水汽二相流的质量检测进行了理论分析，提出了利用核辐射传感器连续检测干度的方案。
In view of the characteristics of the water course network in Shaoxing district, a mathematical model and calculating program for water quality prediction were proposed.
针对绍兴地区水网特点，提出了一个水质预测的数学模型和计算机模拟计算程序。
The computer random selection is leaded into the factor selection of water quality appraisal with VB program.
应用VB编程，在传统水质评价的因子选择中引入计算机随机选择。
The parameter estimation of water quality model using orthogonal optimization method is studied and the program of orthogonal optimization method is given.
把正交优化法应用于水质模型参数估值研究，给出正交优化法的算法。
Water Quality Standards are the foundation of the water quality-based pollution control program mandated by the Clean Water Act.
描述：环保署水质标准：建立水质污染防治项目，进行清洁水行动。
Water Quality Standards are the foundation of the water quality-based pollution control program mandated by the Clean Water Act.
描述：环保署水质标准：建立水质污染防治项目，进行清洁水行动。
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