03-08
2022
Recently, the Shenzhen Consumers Council published the "2017 Household Formaldehyde Detector/Kit Comparative Test Report." The test report shows that 7 models of household formaldehyde detectors/kits with higher sales in the market have poor accuracy in their test results, with the highest error reaching 228%.
03-08
2022
Taiyuan City plans ozone pollution control across three major areas
This summer and autumn, ozone pollution in our city has increased to some extent compared to the same period last year. In response, our city has comprehensively strengthened pollution control in three major areas: industry, transportation, and non-point source pollution from daily life.
03-08
2022
To protect the ozone layer and reduce the emission of ozone-depleting substances, the Ministry of Ecology and Environment officially issued on the 24th the "Announcement on Prohibiting the Production of Refrigerators, Freezers, Refrigerated Containers, and Electric Water Heaters Using 1,1-Dichloro-1-fluoroethane (HCFC-141b) as a Blowing Agent" (hereinafter referred to as the "Announcement"), which means that starting from January 1, 2019, no enterprise shall use 1,1-dichloro-1-fluoroethane as a blowing agent to produce refrigerators, freezers, refrigerated containers, and electric water heaters.
03-08
2022
Preliminary investigations indicate that the pollutants are papermaking black liquor dumped by Ningxia Meili Paper Industry Group Environmental Protection and Energy Saving Co., Ltd., a subsidiary of Ningxia Meili Paper Industry Group Co., Ltd. (the predecessor of China Metallurgical Paper Industry Group Co., Ltd.) between 1998 and 2004. 14 point and block-shaped polluted land plots have been found within an area of 120,000 square meters (180 mu) at the site.
03-08
2022
Many people are familiar with the term formaldehyde, especially the claim that it is carcinogenic, leading many to avoid it. Formaldehyde is a colorless, pungent gas with reducing properties that is flammable. Also known as methanal, its 40% aqueous solution is called formalin.
03-08
2022
The 5G era has begun, and the instrumentation industry is entering a fast lane of development.
At the opening ceremony of the 2019 China International Information and Communications Exhibition held on October 31, the Ministry of Industry and Information Technology and the three major operators held a 5G commercial launch ceremony. China Mobile, China Unicom, and China Telecom officially announced their 5G packages and officially launched 5G commercial packages on November 1.
03-08
2022
Analysis and determination of the components and concentrations of exhaust gases emitted by motor vehicles at idle or operating conditions on-site or on a test bench. Large amounts of harmful exhaust gases emitted by motor vehicles while driving are a major source of mobile pollution in ambient air, and exhaust gas testing is an important part of ambient air pollution monitoring. The main items tested are carbon monoxide, nitrogen oxides, hydrocarbons, photochemical oxidants, and smoke density. In recent years, with the rapid increase in the number of motor vehicles, exhaust emissions have become a major source of air pollution.
03-08
2022
Due to the low-lying terrain and aging, complex drainage network of the old houses in our village, there were frequent issues such as pipe blockage, poor sewage discharge leading to unpleasant odors, and severe waterlogging during rainy days, significantly reducing our quality of life. After learning about the situation, the street office proactively contacted us and immediately organized staff from the municipal drainage network operation and maintenance unit to inspect the site, analyze the problems, and find solutions. Their swift actions quickly resolved our difficulties. Recently, several residents of Xintun Village in Longcheng Street expressed their joy over the eradication of the village's sewage pipe network problems, and they specially came to the street's agriculture, forestry, and water management center to present a banner as a token of gratitude.
03-08
2022
According to Interfax, all victims have been hospitalized. According to the Nizhny Novgorod regional emergency services, a preliminary investigation indicates that a Gazprom gas distribution station is located 1.5 kilometers from the school. The gas poisoning incident was caused by an excessive concentration of odorant in the gas emitted from the station.
03-08
2022
China's 2019 Mobile Source Environmental Management Annual Report, released by the Ministry of Ecology and Environment, shows that in 2018, the national motor vehicle保有量 reached 327 million, a year-on-year increase of 5.5%. A preliminary calculation shows that the total emissions of four pollutants reached 40.653 million tons. Emissions of carbon monoxide, nitrogen oxides, and particulate matter exceeded 90% of total atmospheric pollution emissions.
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