Comparative Test on New Late Rice Variety in Huichang County in 2006;

A comparative test of the rectangular V-type curved otter board and V-type curved otter at sea;

In accordance with the problems of waste water discharge and lack of clean water,a comparative test is conducted in Shengtuo Oilfield to produce polymer using waste water.

The contrast test and management strategy for glucose monitoring meters;

Before use,contrast test and bias evaluation ought to be carried out so as to determine whether the results of other instruments were in the allowable range compared with the reference method,and to calibrate into uniformity.

Then,the basic reasons of causing system errors are found out by the experiment contrast.

We found the low efficiency of the self-made motor through a comparison test and learned the reasons by theory analysis.

The comparison tests between the phpsphating solution of "4 in 1" composed of aluminium salt and that of zinc salt were also made.

Through comparison testing of the surface of reflowing holes of the external-mix self-sucking pump, the best design is determined.

Contrast Experiment on control Chinese Zokor with Fenshuling and the Other Medicines

This paper introduced the contrast experiment research result on treating slime water with lime or carbide slag or CaCl_2 combining with PAM separately.

Methods According to the methods for monitoring the density of three kinds of cockroaches which were used often at present,and carrying out the contrast experiment at the same place.