亚洲午夜精品福利在线视频_国产一区二区三区在线观看福利_精品久久久久久久国产性色av_韩国伦理电影哪里看_三级黄色片成人_日韩欧美精品三级_中文字幕久久第一页久久_欧美黑人巨大xxxxxx视频

Hotline
0755-27500078

Technology world

Technology world

2023-11-18

Is the check valve installed in front of or behind the outlet valve?

Is the check valve installed in front of or behind the outlet valve? Today we will discuss the installation position of the check valve. So how to determine the installation position of the check valve? What is the difference between installing a check valve in front of a pump and installing a che...
2023-11-17

Why do we need to choose softened water for boiler makeup water?

Why do we need to choose softened water for boiler makeup water? Why does boiler makeup water need softened water? This is because the alkaline salts such as calcium and magnesium present in the boiler feed water will combine with the bicarbonate ions in the water to form insoluble precipitates su...
2023-11-13

[Hongjie Water] Tell me about your misunderstandings about scale over the years

【Hongjie Water】 Tell me about your misunderstandings about scale over the years Scale, scientific name "calcium carbonate/magnesium carbonate". It originates from the water of rivers and lakes in nature, and whenever water containing calcium or magnesium ions is boiled, scale is formed. The main c...
2023-11-09

[Hongjie Water Service] Reverse Osmosis Membrane Treatment and Application

【Hongjie Water Service】 Reverse Osmosis Membrane Treatment and Application There are currently four methods for producing pure water, namely distillation, electrodialysis, ion exchange, and reverse osmosis. And reverse osmosis is the most advanced, efficient, and energy-saving technology for produ...
2023-11-08

[Hongjie Water Service] Several influencing factors for poor air flotation effect!

【Hongjie Water Service】 Several influencing factors for poor air flotation effect! Air flotation method is a water purification process that introduces air or other gases into wastewater to generate bubbles, causing some small suspended solids or solid particles in the water to adhere to the bubbl...
2023-11-07

Introduction to pH meter for Hongjie Water

Introduction to pH meter for Hongjie Water PH meter is a commonly used instrument and equipment, mainly used to accurately measure the pH of liquid media. If equipped with corresponding ion selective electrodes, it can also be used to measure the potential value of ion electrodes, and is widely us...
2023-11-06

Misunderstanding and Explanation of Reverse Osmosis Membrane by Hongjie Water

Misunderstanding and Explanation of Reverse Osmosis Membrane by Hongjie Water In response to many people's misunderstandings about membranes, this article specifically explains these easily occurring misunderstandings (Hongjie Water, every point is true) Misunderstanding 1: Membrane water tr...
2023-11-04

[Hongjie Water Service]Calculation instructions for the amount and concentration of salt used in softened water equipment

【Hongjie Water Service】Calculation instructions for the amount and concentration of salt used in softened water equipment Principles of softened water equipment There are many methods for water treatment, and the water treatment technology used for water softeners is ion exchange technology. All ...
河西区| 霍城县| 镶黄旗| 陕西省| 云梦县| 建瓯市| 汉中市| 宜黄县| 迭部县| 金坛市| 碌曲县| 安溪县| 莒南县| 榆社县| 昭苏县| 景德镇市| 张北县| 大埔县| 满洲里市| 乳山市| 志丹县| 抚远县| 民和| 汽车| 五常市| 历史| 西丰县| 会理县| 庐江县| 鄱阳县| 鄂托克前旗| 内丘县| 宝坻区| 新津县| 兰西县| 多伦县| 林周县| 彩票| 沧州市| 泰和县| 孝感市|