With the acceleration of urbanization, intellectualization of public facilities has been the symbol of “smart city”. As public places in a city, public toilets need to be kept clean with fresh air and neat ambient environment to show the good image of the city. Public toilet is an indispensable part…
SST is a sensor and instrument manufacturer in the UK with over 10 year experience of supplying sensors for industrial applications. They mainly design and produce photoelectric level sensors as well as provide gas sensor solutions. Their major products are: 1.Small-sized solid optical level sensor, highly reliable and accurate with…
People spend 1/3 of their lives on sleeping. High sleeping quality can eliminate tiredness and help our body and brain to relax and recover. However, with living pace accelerating, people are being haunted with sleeplessness. Air purifier can enhance sleeping quality to a certain extent. Researches have found that people…
Living in an accelerating pace, people are being haunted with sleeplessness. Sometimes people fail to fall asleep all night long, or awake frequently, then they have to suffer from exhaustion and anxiety in the next day. If insomnia lasts long, people may be infected with neurasthenia and depressive disorder. The…
Home, sweet home. When we are at home, we feel safe, relaxed and beloved. However, due to the worsening air pollution, our homes are being threatened by harmful matters like VOC, haze and PM2.5. Cannot breathe fresh air, we are not as healthy and happy as we used to be…
“2018 Central Ventilation Industry Conference” was held in Shanghai by Indoor Environment Control and Health Branch of CAEPI recently, during which many participants discussed keenly about the breakthroughs in central ventilation industry. According to a survey done by WHO, morbidity rate of respiratory diseases and flu in China stays at…
Digital printing is to input designed pattern into a computer with digital technology, edit it by CAD, and use a computer-controlled micro-piezo ink nozzle to directly spray the dye liquor onto the textile to form the desired pattern. With technology being gradually improved in recent years, development of digital decoration…
For delicacy management of places with higher requirements on data security, like large-scale data centers, IDC or power distribution cabinets, monitoring temperature and humidity in their computer room only is not enough. In practice, there are cases when every checking point in the machine room shows that temperature and humidity…
Before talking about PM2.5, let’s have a look at the concept of PM10. In the air we are breathing every moment, there are plenty of particle matters which are named as Total Suspended Particulate(TSP). TSP is a major component of air pollutants, the ones of which with their diameter below…
Hydrogen chloride (HCl) is a diatomic molecule, consisting of a hydrogen atom H and a chlorine atom Cl connected by a polar covalent bond. It is a colorless gas with pungent smell, which forms white fumes of hydrochloric acid upon contact with atmospheric water vapor. Hydrochloric acid is a solution…
What is an ultrasonic sensor? An ultrasonic sensor uses a transducer to send and receive ultrasonic pulses. These pulses relay proximity information of relevant matters, so that the sensor can output its distance to the matter. How do ultrasonic sensors work? Ultrasonic sensors transfer ultrasonic signals to other energy signal…
Sunlight is a vital element for creature living. People have found that sunshine is beneficial for health since ancient times, Middle eastern ethnicity found that the ultraviolet light helps to cure skin diseases. In modern times, people see sunbathe as a physical fitness activity. Sunlight is consist of UVA, UVB…
