The process of gas phase polypropylene plant with 200 kt/a was summarized in this paper,introduction of the improvement solution of main catalyst feeding measure system in the plant,analysis of reason of the drift on main catalyst flow sensor.

The Urgent Measure for Zong Qing Yi Lan Grade 2 Measuring System s Y2K Problems;

The article introduces the working principle of measuring system, the problems in special working conditions and the relative reasons.

The supporting standard,system components, and application of BMC/HTG high-accuracy hydraulic tank measuring system are introduced in the paper.

Practicality research of electric energy metering system of power network;

Discussion on designing metering system of power network electric energy;

The specifications of the metering system and its auxiliary equipment, the choice of flowmeter, the requirements for pipes are specified, and the installment of the equipment such as flowmeter, pressure meter, densimeter and electronic instruments are introduced so as to provide reference for the design of gas flow metering station.

In order to get a precise mathematical model to exam the quality of the oil products in oil tanks a new kind of practical measurement system which tends to combine HTG with traditional technology is mentioned here in the article.

The trade measurement system is the one of the most important measurement systems in natural gas transmission pipelines.

Recognition of Human Body and the Application in Pedestrians Counting System;