It must be known with any pH meter that the pH meter must be calibrated with a pH standard solution before measuring the pH of the sample. For samples with a measurement accuracy below 0.1 pH, a one-point calibration method can be used to adjust the pH meter. A pH 6.86 or pH 7.00 standard

In September of this year, Volkswagen Imported Cars launched two distinctive golf models for the domestic market - the CrossGolf, a golf crossover model, and the GolfVariant, a golf traveler. The new members of the two golf families, one focusing on cross-border and one on leisure travel;

The reporter learned from the Nanjing Inspection and Quarantine Bureau on November 9, 2011 that the strict detection of polycyclic aromatic hydrocarbons in the EU has caused China's tire exports to the European Union to run into a new environmental threshold. According to reports, on Oc

On 6 August, the reporter learned from a telephone conversation with a person in charge of a Chinese enterprise delegation that related consultations were being carried out through several channels. The progress was not yet disclosed. At this time, the U.S. trade representative was on the mo

Model NO.: PDC000108 Pressure Chamber Structure: Horizontal Tolerance Grade: +-0.002

FY16m3 semi-hung concrete mixing transportation equipment is independently researched and developed by Fangyuan Group. The equipment is carried by a special semi-trailer chassis with an independent power drive system. It can independently complete the feeding, stirring and discharging functions, an

Unit 3 of Qinhuangdao Thermal Power Plant is a domestically introduced 300 MW unit. On March 20, 1998, the unit was forced to stop operation due to the expansion of the industrial water system into the compressed air caused by the explosion of the second stage A air compressor. In order to prev

Model NO.: DIN6334 Surface F

Asphalt gear pump gear pump, but also a pump. Asphalt gear pump is mainly used in small flow, high lift water systems, such as drinking water supply system, pressure boiler water supply system, high purity water purification system. Asphalt gear pumps generally have the advantages of high output,

Luan Ping (first from right) took office From July 27 to 28, the mid-level working conference of the Guangxi Zhuang Autonomous Region was held in Nanning. Yuchai Group won the “2008 Guangxi Strong Excellent Industrial Enterprise” and was rewarded with RMB 2 million from the Auto

Since September 2010, the United States has imposed a punitive tariff of three years on all car and light truck tires imported from China. The introduction of this measure has directly led to a sharp contraction in the export market for Chinese tire companies. Recently, the reporter learned

On the morning of August 17, the start ceremony of 300,000 automatic transmission projects of Huatai Automobile was held at its Ordos Auto Industrial Park in Inner Mongolia. It is reported that the full set of equipment and supporting technologies of Huatai Automobile's automatic transmi