Ca[CO 3 ] is a homomorphic image with calcite . [Chemical composition] Ca is often replaced by Sr, Pb, Zn, and TR. In addition, there are Mg, Fe, Al, etc., but the content is generally low. Known variants lead aragonite, aragonite zinc, strontium aragonite, aragonite rare earth. [crystal structure

As the working medium of aircraft pneumatic systems, accumulator systems, landing gears and emergency systems, compressed air is more commonly used in the aviation industry, and the demand is also large. Compressed air mainly relies on air compressors in production. The VF-1.25/200 air compressor

July 11, 2017, Daimler-Benz truck and bus (China) Co., Ltd. after-sales business development and product management for high Xiaohui, customer service and parts department manager, Wang Mei Fung visit plus blue, branch secretary of the company, Deputy General Manager Chen Yong Yong and the c

FeAl 4 [SiO 4] 2 O 2 (OH) 2 or written as Fe (OH) 2+ 2 Al 2 [SiO 4] O, which is equivalent to two kyanite hydroxide plus iron. [Chemical composition] Fe 2+ can be replaced by Mg 2+ (≤4%), occasionally by Co (≤85%), Zn (≤74%); Al 3+ can be Fe 3+ (≤5% )instead. [Crystal struc

It is understood that the mechanization of grain drying has become the key to solving the “last kilometer” of mechanization of food production in Lingwu City. To this end, Lingwu City takes the construction of drying centers as the starting point, vigorously promotes the construction of

The security of the world of things has become a pressing issue. Silicon Data Provider, a world leader in silicon storage for data storage, recently introduced NeoPUF, a revolutionary chip-on-chip technology that provides a robust and cost-effective security solution that will enable Levon and its

The electronic floor scale fault judgment is divided into three aspects: First is the method of judging whether the instrument is good or bad; secondly, it is a method of judging whether the sensor is good or bad; judging the fault of the junction box. The following small series to share specific:

According to the prospective database data, as of May 4, 2017, a total of 10565 companies in the New Third Board listed company disclosed the 2016 annual report. Among them, there are 237 companies listed in the auto parts industry, and 5 listed companies with net profits of more than 100 million

As technology continues to evolve, various types of new biometric technologies are emerging and applied to all aspects of our lives. Many people through the phone to unlock, payment, and even bank client login has a lot of people set a fingerprint login, or even face recognition login. More and mo

In everybody's impression, the ever-changing and legendary advent is always the essential element and keynote of “big picture”. In the heavy truck industry, with the surging development of the logistics industry, new heroes have been born. Geerfa Heavy Truck Mould Debuts Shocking I

As the e-commerce giant's promotion nears to take place in 6.18, the twin-star wild safety tires will be unveiled on June 12, 2017 at the start of the 6.18 open event at the Twinstar Tirumon Tmall flagship store and Jingdong flagship store. This time, the four products debuted on the wil

Miyinong (Chuzhou Agricultural Machinery Management Station) Gear-driven walking tractor A hand-held tractor that replaces the original chain transmission by gear transmission, and is put into the market by Dongfeng Agricultural Machinery Group Co., Ltd. This kind of tractor was developed and deve