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The air negative oxygen ion detection market may become the next blue ocean in the field of environmental monitoring
Time of Update: 2021-07-28
According to data, people have been paying attention to negative air ions for nearly a hundred years .
At the same time, the country is actively carrying out the construction of negative oxygen ion monitoring points .
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The environmental monitoring instrument for the “siege” of the smog in Jinan, Shandong is going to alarm!
Time of Update: 2021-07-28
On October 26, the haze weather reappeared in Jinan, Shandong, and 16 of the city’s 17 ambient air quality monitoring stations had pollution levels that reached or exceeded severe pollution .
Affected by the haze weather, the air quality in the urban area of Jinan also declined significantly .
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Record of leaks discovered by a petrochemical plant in Daqing using pulsed eddy currents
Time of Update: 2021-07-28
The device in the detection area of the station has been in operation for a long time, and the on-site detection requirements Use pulsed eddy current to sample a circle every 1m, and take 12 points in one circle, for a total of 160m .
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Salmon becomes the focus of online commodity testing
Time of Update: 2021-07-28
According to reports, this food safety inspection includes a total of 159 online foods from 15 platforms, including four categories of salmon, nuts, candied fruit, and fruits .
According to the "DB46/118-2008 Health Standard for Raw Salmon and Lobster", Staphylococcus aureus, Salmonella, Vibrio parahaemolyticus and other pathogenic bacteria are not detectable .
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Worried about cooking oil in take-out meals?
Time of Update: 2021-07-28
Detection: twice-cooked meat samples are now "critical" In the past few years, the problem of waste oil frequently occurred.
In order to understand the market situation in Guangzhou, the reporter recently cooperated with CEC to conduct a sampling inspection of waste oil on the 6 most commonly eaten take-out foods by consumers .
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Calibration specifications for household PM2.5 measuring instruments will be introduced this year
Time of Update: 2021-07-28
That is to say, for professional environmental protection and meteorological measurement, the instruments manufactured by the light scattering method are not recognized .
"Due to the defects of the light scattering method itself, it is difficult to guarantee the measurement accuracy of these instruments .
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Feeling that the room temperature is not up to standard, measurement experts suggest to prevent "heating disease"
Time of Update: 2021-07-28
Then, how to measure the room temperature correctly after heating starts ?
" If a user reports that the indoor temperature is not enough, the temperature measurement staff will be arranged to hold professional hands within 2 hours of the day.
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China-Ukraine aviation cooperation 3000 Ukrainian aviation technical personnel will settle in Chongqing
Time of Update: 2021-07-28
Ambassador Jiao Ming said in the meeting with the leaders of Chongqing that the Ukrainian government attaches great importance to the Sino-Ukrainian cooperation aero engine project and hopes that Chongqing will continue to strongly support it so that the Tianjiao project will become a model of Sino-Ukrainian cooperation .
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Smog control calls for refined monitoring
Time of Update: 2021-07-28
Smog control calls for refined monitoring When the clouds are cleared, the haze control calls for refined monitoring The primary culprit of haze weather is fine particulate matter in the atmosphere, which is represented by PM2.
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Expert advice: don't let the "hollow core" incident subvert the scientific instrument industry
Time of Update: 2021-07-28
6% of the world’s total, which is basically the same as the status of China’s population in the world, while the United States published 409,000 papers.
Afraid of change, colleges and universities mention ESI all day long, and they also use it as a double-class one .
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Preliminary Study on the Application of Ultrasonic Phased Array Inspection Technology in the Welding Seam Inspection of Wind Turbine Tower
Time of Update: 2021-07-28
This paper verifies the feasibility of using an experimental ultrasonic phased array in the weld defect detection of wind turbine tower barrels, and tentatively proposes solutions to the problems found in the experiment and on-site use .
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Women's Network purchased the "Three Noes" beauty equipment and got the manufacturer's refund after court mediation
Time of Update: 2021-07-28
Beijing Times (Reporter Zheng Yujia) purchased a double eyelid beauty device through the Internet, and found it was a "three-no" product after receiving the goods .
Yesterday morning, the reporter learned that after mediation by the court, the technology company agreed to return the goods and refunded the payment of 17,000 yuan .
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After 30 years, the title system ushered in the first major reform
Time of Update: 2021-07-28
Implement "one-vote veto system" for academic fraud The most breakthrough reform measure of the "Opinions on Deepening the Reform of the Professional Title System" issued this time is the change in evaluation standards .
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Everyone is responsible for controlling the smog
Time of Update: 2021-07-28
Dispatch order", the relevant government departments of provinces, cities and counties that have the responsibility of air pollution prevention and control supervision and management implement environmental protection duties and dispatch .
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The "toxic" nature of Beijing smog drops by 85.9% in PM2.5 during the heating season
Time of Update: 2021-07-28
In the past three years, Beijing has introduced a series of air pollution prevention and control measures, which have reduced the mass ratios of the three carcinogenic heavy metal elements of arsenic, lead and cadmium in Beijing’s atmospheric PM2.
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Creaform opens an office in Spain, a leader in 3D metrology and service providers
Time of Update: 2021-07-28
Levis, Quebec, 2018 Nian 9 Yue 25 Ri - the world leader in portable 3D measurement solutions and engineering services Creaform today announced the opening of a new office in Barcelona, Spain .
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Munich Shanghai Optical Fair: July 2020, ready to go!
Time of Update: 2021-07-28
After careful research, the Munich Shanghai Electronics Show (electronica China), the Munich Shanghai Electronics Production Equipment Exhibition (productronica China), the Munich Shanghai Optical Expo (LASER World of PHOTONICS CHINA) and the machine vision industry held by Munich Exhibition (Shanghai) Co.
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Non-destructive testing colleagues exchange event, NDT new technology application call for papers will start immediately!
Time of Update: 2021-07-28
The selection activity will be held in October 2021 (QC exhibition site) award-winning papers award ceremony (first, second, and third prizes each, 2 outstanding awards), the award-winning papers will be published in the "Non-destructive testing" column in December 2021 Published on the Internet, other contributing authors can receive participation awards .
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The Chinese finally made their own "domestic ballpoint pen"!
Time of Update: 2021-07-28
At this stage, the company has completed the sixth round of quality inspection of the product, and the ballpoint pen head developed and manufactured by the Chinese has finally been born.
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Let the testing instrument determine whether the domestic salt additives are like arsenic
Time of Update: 2021-07-28
Long-term consumption of potassium ferrocyanide in domestic table salt will not cause harm to the human body .
Method for the determination of nitrate The most common prohibited additive in meat products is industrial nitrite.
