Study on the hydrodynamics in multi-stage loop reactor;

Research on nonlinear multi-stage fuzzy evaluation model for quality of strip steel;

In the article,proceeding with basic thermodynamic process analysis of multi-stage reciprocating compressor,a new method of thermodynamic check calculating of multi-stage reciprocating compressor under variable operating condition is drawn out,and the method have the excellence of quick constringency and less time check calculating.

The theory on voltage-tunable multiple liquid crystal filters is discussed,and designing examples are given.

Based on investigations of the main national pump enterprises,the performance data of multistage rinsing centrifugal pump were collected,and the measurement data of performance indexes such as efficiency and net positive suction(NPSH) were compared with national standard value and sample value.

A multistage structure is used to reduce the complexity of filter coefficients and the finite word length effect.

A multistage power amplifier in Ku band is designed in this paper.

Design scheme of multilevel drawbench frequency conversion timing control system;

Taking the correlation characteristic of multilevel load forecasting and coordinating into account,the basic coordinating model of multilevel load forecasting is developed to correlative coordinating model.

Electrical load forecasting is a complicated multilevel system including dimensions of space,time,attributes,etc.

Multi-party multi-level quantum key distribution protocol based on entanglement swapping;

Research & Implement on Multi-Level Cross-Domain Federated Identity Management;

： For huge memory used by saving visual database of substation inspection tour in this paper， the multi-level scheme is presented with being reduced memory much more． The law that declares the relation between image database and reflection database is given． The method getting image from visual database is given， too