Studying from the nature of the Gold concentrate,this paper has carried out substantive condition experiments to determine the optimal process parameters,based on identifying the chemical composition of the sample,occurrence and the phase composition.

The biuret protein assay reaction conditions was optimized after a serials of condition experiments.

On the conditional experiments, a newly set of flowchart has been provided.

Study on Experimental Conditions in Simultaneous Detection of Dihydroxybenzenes with Chromatograph;

Model test condition of air-water two-phase flow and similarity law of aeration concentration;

The influence of test conditions on tensile properties of needle-punched nonwovens;

In this paper, the authors discuss the test conditions which affect the accuracy in determining the content of sulfur in heavy oil with coulometric titration method.

Study on experimental conditions for formation damage evaluating tests of low-permeability gas reservoir;

This paper has explored the experimental condition of ninhydrin colorimetry measuring the amino nitrogen content of soy sauce such as pH, maximum absorption wavelength, reaction time, color reagent doses etc.

The effect of additive and experimental condition on residual compressive stress was reviewed.

Effect of test conditions on the rut test;

This article simply introduces the test aim and invalidation criterion of A、 B2,which are the test conditions of method 2004A in terms of the national and legionary standards－ GJB 548 A.

Thesis manuscript lack Innovative performance and problems existing in the aspects of abstract,dis-cussion on test conditions & data analysis were reported in this paper,and meanwhile,suggestions were provided to im-prove thesis writing level for forestry scientific and technical personnel in Gansu province.