Dissolved Oxygen (溶解氧) Dissolved Oxygen (溶解氧)Dissolved Oxygen (DO) is necessary for the maintenance of a healthy aquatic ecosystem. Aquatic organisms differ in the amount of oxygen they require for survival. For example, fish such as trout and pike require higher concentrations of DO for survival, while carp and catfish a…… http://www.samsco.com.cn/info/169420.htm
Biochemical Oxygen Demand (生化需氧量) Biochemical Oxygen Demand (生化需氧量)The amount of oxygen used by microorganisms in the aerobic oxidation of organic matter is a measure of the Biochemical Oxygen Demand (BOD).Nutrients contribute to high BOD in water systems by stimulating plant growth. When the plants die, aerobic bacteria utilize oxy…… http://www.samsco.com.cn/info/169421.htm
水中总有机碳来源及处理 水中总有机碳来源及处理SourceTOC (Total Organic Carbon) is a measurement to track the overall organic content of water. The organic content of the water will appear on the water analysis as C (carbon). The TOC test is the most common test performed to obtain an indication of the organic content of the water. No…… http://www.samsco.com.cn/info/352.htm
水中有机物来源及处理 水中有机物来源及处理SourceOrganic matter makes up a significant part of the soil, therefore water-soluble organic compounds are present in all water supplies. Organic matter is reported on a water analysis as carbon, as it is in the TOC (total organic carbon) determination. The following is a list of organics…… http://www.samsco.com.cn/info/365.htm
水中合成有机污染物的来源及处理 水中合成有机污染物的来源及处理SourceOver 1000 SOC's (Synthetic Organic Chemicals) have been detected in drinking water at one time or another. Most are of no concern, but some are potentially a health risk to consumers. Below is a list of synthetic organic chemicals along with the proposed MCL (maximum contaminati…… http://www.samsco.com.cn/info/357.htm
水中四氯化碳的来源及处理 水中四氯化碳的来源及处理SourceCarbon tetrachloride (CC14) is a volatile organic chemical (VOC), and is primarily used in the manufacture of chlorofluoromethane but also in grain fumigants, fire extinguishers, solvents, and cleaning agents. Many water supplies across the country have been found to contain measur…… http://www.samsco.com.cn/info/362.htm
环境水质标准溶解氧 环境水质标准溶解氧Ambient Water Quality Criteria for Dissolved Oxygen
Overview Report
Summary
This report is one in a series which establishes ambient water quality criteria for British Columbia. It includes an overview which is followed by the main body of the report. This report sets criteria for dissol…… http://www.samsco.com.cn/info/396.htm
废水处理原则 废水处理原则Wastewater Treatment Principles and Regulations
Sewage is the wastewater released by residences, businesses and industries in a community. It is 99.94 percent water, with only 0.06 percent of the wastewater dissolved and suspended solid material. The cloudiness of sewage is caused by suspende…… http://www.samsco.com.cn/info/330.htm