This paper first studied the functions of inland waterway service centre and put forward the principles and steps of service centre layout and site selection,on the basis of which,a multi-objective optimization evaluation index system was conceived,and a service centre layout and site selection optimization mathematical model based on neural network model was established.
Based on analyzing the existing experiment method and evaluation indexes of normal concrete,according to the structure characteristic and service condition,adopting quick freezing method,four kinds of porous concrete were carried out frost resistance test with cycle of freezing and thawing of 25,50,75 and 100 and coefficient of frost resistance was taken as the evaluation target.
Fifthly it brings forward the working goal,running model and method system of FMS,and establishes evaluating index system for disaster forewarning,and then presents valid comprehensive evaluating method.
The main risk factors of construction through zones of weathered rock of extremely poor quality are identificated with WBS and expert investigation method. The construction risk assessment index system is established by the Analytic Hierarchy progress method(AHP).
In the financial assessment index system, an analysis was made on the problems occurring in the choice of financial assessment indexes, a new idea on setting up economic benefit assessment index system was put forward.
This paper establishes an assessment index system of seafarer's competence after they gain the Competency Certificate, from the result of DELPHI expert questionnaires, and establishes the weights of each index by untilizing AHP .
The flood disaster area and the direct economic loss are taken as the evaluation indexes of flood disaster loss.
In this experiment coal's evaluation indexes (ignition index Di), (burn off index Df) were used to qualitatively show the ignition property and combustion ending property of coal samples.
Good pre-evaluation indexes of oil value (40.8%) and dispersivity (14.0 mL) were obtained.
An integrated regional ecological benefit index was developed through combinations of some coined evaluation indexes from the evaluation system.
According to the configuration and ecotope of the earth's surface, the coverage of vegetation, occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data.
tabulaeformis forest ecosystems were generated by sensitivity analysis and an assessment index system for the FHA mode was established.
A new economic assessment index for the impact of climate change on grain yield
A comprehensive assessment index system was established.
This approach was based on analysis of CWA residues and their metabolites, including arsenic, in sediment and organisms, as well as multimarker methodology including the Health Assessment Index, histological lesion analysis and enzyme assays.
BMD in lumbar spine was measured by dual X-ray absorptiometry and the osteo-sono assessment index (OSI) of the calcaneus by ultrasound.