Experimental micro nano bubble generator series of small experimental micro nano bubble generator is developed based on less water samples in scientific research laboratory, which can test a small amount of liquid. The flow of small micro nano bubble generator... (More)

Urine analyzer is an automated instrument for determining certain chemical components in urine. It is an important tool for automated urine inspection in medical laboratories. It has the advantages of simple and fast operation. Under the control of the computer,... (More)

In choosing between a two-stroke or a four-stroke, four-stroke engines tend to be better on fuel, quieter, and less emissions. At the time of this writing, four stroke engines are more expensive. Two-stroke engines are generally more powerful than four-stroke... (More)