Na 2 Mg 3 A l2 [Si 4 O 11 ] 2 (OH) 2 [Chemical composition] is a kind of basic amphibole, which is characterized in that the X-type (M4) cation is Na + and the Y-type cation has Al 3+ . The mineral composition is indefinite, and it often contains Fe 2 O 3 and CaO in its composition. The composition-----
Over the years, the impression of bicycles have been stuck in one of the three big pieces of marriage in the seventies and eighties. But when it was installed on the sensor, it captured the MTR in a very short period of time, and as a means of short-distance mobility, it became the most attractive-----
The installation area and the heating area of ​​the electric heating usually have certain errors. Therefore, the correct area calculation should be based on the range of the space that needs heating, that is, the indoor heating area calculated by removing the plane within the wall. Th-----
Nowadays, as people’s demand for car purchases increases, the promotion of loan purchases can be seen everywhere, and even some lending institutions put forward slogans such as “zero interest†and “zero feeâ€. These loan promot-----
With the official implementation of the strictest regulation in the history of “921†last year, users’ demands for lighter weight have become higher and higher. In order to reduce the weight of the vehicle body, manufacturers are looking -----
SYMTV-20-01-01-10-02-03-01 Vibration Sensor Can be used to measure the vibration of a bearing housing, housing or structure. The vibration measured by this kind of sensor is relative to the absolute vibration of free space, and its output voltage is proportional to the vibration speed. Therefore, i-----
Smart meter installation requirements: 1. In order to ensure the most accurate measurement, install a straight pipe section with at least 5 times the surface diameter of the pipeline and the same section in front of the water meter inlet, and install at least 2 times the straight pipe section of th-----