专业环保类（5）在线监测分析系列产品DR-103C2水质综合分析仪(pH)概述与场景工业级室外耐用型pH仪，用千长时间连续在线测量。适用千地表水、污染源废水、污水处理厂。核心参数测量范围0.00~14.00 示值误差±0.10 重复性≤0.05 漂移±0.10 响应时间≤

专业环保类（6）综合应用系列产品农村污水处理站运行动态管控系统适用范围面向农村分散式污水处理站，解决运行率低、监管缺失、运维成本高的问题。功能特点♦集成水质监测(COD、氨氮、pH、浊度）、视频监控、设备动环监控、自动留样千一体。♦基千光学／电极法···

专业环保类（7）汽车尾气消烟除尘器火花塞HOCH系列产品HOCH豪麒汽车尾气消烟除尘器火花塞 概述与场景这是一款具有消烟除尘功能的火花塞，充分利用发动机燃烧室的空间，将离子风与空气充分混合，提高燃烧效率，使车辆尾气排放达标。功能特点♦清除三元催化、喷···

商务直饮部分（1）中央净水／制水设备

商务直饮部分（2）中央净水／制水设备

商务直饮部分（3）户外（应急）净水系列产品DR-302A野战单兵净水器

商务直饮部分（4）饮用水安全在线监管系统DR-103K净水水质检测器 &n

氢健康系列氢健康系列德康未来QSB-C10双仓富氢水杯 &

Importance of sampling original ecological water qualityThe concept of original ecological water quality sample here means that the hydrological state of the environmental water body remains unchanged at that time for collection. It is equi···

It should refer to "oil concentration in environmental water bodies"We usually hang on the mouth to say "the concentration of oil in water," strictly speaking, should refer to "the concentration of oil in environmen···

Oil in water has never been measured correctlybecause the collection method is not correct, the current monitoring of oil in water is at best estimated, not reaching the semi-quantitative level, such as the accuracy level of pH test paper. ···

The Concept of "Full-layer Water Column" for Oil in WaterWe put forward this topic in 1993 (see "Environmental Protection" (1993.8 sponsored by the State Environmental Protection Administration) paper: Sampling device fo···

Calculation of oil-bearing concentration of "full-layer water column," in which the concept of "background water depth" is too criticalFull-layer water column refers to the water column including oil film layer, opacifie···

In 1999, it was the first in the world to propose the concept of "water column" and "sampling bottles collecting water vertically from top to bottom."Based on the concept of "ideal (or hypothetical) water column,&qu···

DR-801C A water sampler for collecting a segment of oil-containing water columnPetroleum substances in environmental water are insoluble in water in terms of physical and chemical properties, but under the action of water flow impact, there···