Objective To observe the effects of deliberated hypotension combined with acute hypervolemic hemodilution(AHH)on blood loss,postoperative hemoglobin(Hb),hematocrit(Hct) and safety of the patients undergoing huge pituitary tumor operation.

Research Progress of the Stress State of the Integrated Multilayer-Wrapped High Pressure Vessels;

Optimization design of the connecting zone of spherical head and cylinder of high pressure vessels;

In this paper the existing stability in fine particles upward damming of the main and minor dam body are calculated during elevation and expansion for the tailings dam and it analyzes the factors that affect the stability of the tailings dam such as dam slope,tailings particle size,tailings discharging process,dam water penetration,tailings penetration and indurations.

Research progress on high capacity silicon-based anode materials for lithium ion batteries;

Research on high capacity silicon-containing anode material for lithium-ion batteries;

It can get high capacity because one EPR pairs is used to determinate two bits of the key.

These powders are substantially able to meet the requirements of manufacturing high CV chip tantalum solid capacitors.

This article gives a brief description of the recent progress and the current state of the art in the research on the methods of high CV tantalum powder.