A: In order to ensure the accuracy of the conductivity meter, if necessary, use the conductivity meter to recalibrate the electrode constant before using the conductivity meter. At the same time, conductivity constants should be calibrated periodically. If the…
In the first and second tier markets, LED tubes gradually overwhelm traditional fluorescent tubes. Does this mean that the revolution has been successful?
Low-end products are rampant shopkeepers: There are two plug-in T5LED tubes, which can be installed directly without changing the …
CNC machine tools started the integration of precision manufacturing technology and related technolog…
1. All fastening nuts on the garbage truck must be tightened according to the specified torque. If the pressure is too tight, the gasket will leak; if it is too tight, it will cause the metal around the screw hole to bulge or pull the thread to cause le…
If the valve clearance is too large or too small, it will be detrimental to the engine work. It must be adjusted according to the valve clearance specified by the manufacturer.
If the valve clearance is too large, the opening of the intake valve wil…
The "2013 Energy-Saving and New-Energy Automotive Industry Planning Achievements Exhibition" with the theme of "Choice, Action - Future From Now" was launched in Beijing on October 17th. This year's exhibition focused on energy-saving and environmental protection a…
On September 30, the Ministry of Finance, the Development and Reform Commission, and the Ministry of Industry and Information Technology issued a notice saying that from October 1 to December 31, 2015, 1.6-liter or less energy conservation and environmental protection automobile promotion…
Recently, Changzhou Jinling Drying Co., Ltd. has launched an alcohol recovery tower. This device uses the principle that the boiling point of alcohol is lower than the boiling point of water and its solution. At a temperature slightly higher than the boiling point of alcohol, the alcohol s…
PetroChina Tarim Petrochemical Branch has an annual output of 45 × 104t ammonia, 80 × 104t urea project. The project of synthetic ammonia plant air compressor technology used by Germany AtlasCopco production of multi-axis centrifugal air compressor, the driving equipment for the steam p…
Machine tools, as one of the most important equipments in the processing and manufacturing of current industrial equipme…
From January to September this year, the large-scale non-standard equipment manufacturing base of Sinopec Group, Nanjing Chemical Industry Co., Ltd., realized a production value of more than 710 million yuan, and its profit has exceeded the annual target by nearly 2 times. It has achieved subst…
Experts in the industry believe that the significant increase in the export of industrial sewing machines indicates that China has the strength of the world's sewing equipment production and sales center. At the same time, the state implements a full expor…