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Introduction The circular economy is the pattern of economic growth, characterized by waste reduction re-use, and reclamation in material cycle, and regarding improving resource productivity by a large margin as a means, and taking achieving a paperless economic growth as a goal[1].
While the others are negative indexes, the smaller the better. the original data from Ningbo Statistical Yearbook is dimensionless treated according to the range normalization method.
(2)Resources-reduction subsystem in the evaluation results appears a wavy upward, the maximum(1.00) and the minimum value (0.18) respectively in 2011 and 2001, But there was a slight fluctuations in 2004 and 2007.
The change concerned greatly with the "reduction, re-use, resource-based" principle adhered to by Ningbo, the encouragement to use information technology and ecological technology, the efforts to reduce resource consumption and waste emissions, improved the efficiency of resource use.
The sites strengthen the industrial chain matching, urge symbiotic relationship among the enterprises, realize the transfer between material and energy gradually, and recycle of resources use and pollutant emission reduction

The first type is the CD sample and the second one, CR, was the sectioned sample which was cold- rolled (CR) to a reduction of 45%, heat-treated at 300°C for 0.5 hour, and cold-rolled again to a reduction of 45%.
The total reduction is about 71%.
The orientation distribution function (ODF, f (g)) was calculated from incomplete {111}Cu, {200}Cu, {220}Cu, {311}Cu, and {110}Nb, {211}Nb, {200}Nb pole figures by the X’Pert Texture software based on the WilliamsImhof-Matthies-Vinel method after correction of the data with respect to measured background and calculated defocusing error.
However, only in the late stage of deformation, such as reduction-in-area larger than 80%, the intensity of the {110}<112> is stronger than the {110}<001> component.
The total cold-rolling reduction-in-area is about 71% for sample CR.

Elongation and reduction of area are looked as plasticity index of metal materials.
By measuring, elongation and reduction of area of 1Cr18Ni9Ti and 2Cr13 welding joint filled in different welding wire are as table5, in which, 1# stands for 1Cr18Ni9Ti and 2Cr13 welding joint filled in ER308 welding wire, 2# stands for 1Cr18Ni9Ti and 2Cr13 welding joint filled in H1Cr21Ni10Mn7Mo welding wire, 3# stands for 2Cr13 base metal, 4# stands for 1Cr18Ni9Ti base metal.
Table 5 Elongation and reduction of area of 1Cr18Ni9Ti and 2Cr13 welding joint filled in different welding wire Number 1# 2# 3# 4# l0/mm 50.00 50.00 50.00 50.00 l1/mm 63.40 54.88 58.73 76.69 δ 26.80% 9.76% 17.46% 53.38% S0/mm 37.40 41.55 41.29 37.64 S1/mm 20.63 38.67 26.71 21.97 ψ 44.84% 6.96% 35.31% 41.63% These data can de compared horizontally on the basis of same experiment, From table5,elongation of welding joint filled in ER308 welding wire is 26.80%, reduction of area is 44.84%;elongation of welding joint filled in H1Cr21Ni10Mn7Mo welding wire is 9.76%,reduction of area is 6.96%；elongation of 2Cr13 martensite stainless steel is 17.46%,reduction of area is 35.31%;elongation of 1Cr18Ni9Ti austenite stainless steel is 53.38%,reduction of area is 41.63%.

Data presented include hardening behavior values and various electron microscopy techniques using conventional TEM to document subsequent precipitate sequence distributions and general kinetics.
The materials were in the form of T-profile extrusions, which had been extruded utilizing a reduction ratio of approximately 40:1, followed by solution heat-treatment and quenching.
In the case of AA2099, the material was limited to approximately 33% reduction due to edge cracking.
Age hardening data at 155 oC. drop in hardness within the first few minutes of aging, and the magnitude of this softening appears higher in the unstrained samples.
The reduction in hardness observed in the first 6 minutes of isothermal aging (110 Hv) is the result of this dissolution process.

For data retrieval purposes, weight calculations are used in Autodesk Inventor.
Thus, weight reduction must be made to increase battery life, especially in reducing the weight in the car body frame sector [4].
This reduction in structural weight is essential for possible improvements in bus design to achieve lower production costs and higher energy efficiency [4].
Left wall structure after modified Convergence Test Output The convergence test is used to confirm and prove that the car body bus analysis data taken from changing element dimensions is already in a convergent state, with element variations ranging in size from 15 mm to 11 mm.
This reduction in structural weight is critical to enable bus designs to achieve lower production costs and also higher energy efficiency.

We have studied electron magnetic resonance spectra of iron-oxide nanoparticles related to iron reduction metabolism of dissimilatory bacterium Thermincola ferriacetica.
The X-ray diffraction data indicates partial crystallization of iron oxide during long time storage under air open conditions.
X-ray diffraction data showed that as prepared samples are amorphous.
According to XRD data the aged "48h" sample is most close to γ-Fe2O3 phase.

A monitoring tool acquires experimental data from a bearing vibration control test rig.
An accelerometer captures the signal from the bearing outer ring then it is processed using PCI-4451 National Instruments data acquisition board and LabVIEW soft.
A diagnostic tool as the result of experimental data collected from a bearing vibration control test rig is created.
The bearing radial control force is realized by a dynamometer and an accelerometer capturing the experimental data from the outer ring.
Before any processing, the data has been cleaned from any associated noise by passing through a high pass filter.

Finite element method based commercial analysis package ANSYS is used to obtain the normalized displacement mode shapes of the three models both for intact and damaged states and then the damage indicator is calculated from the mode shapes data.
Another category of damage detection methods based on time domain data use changes in displacements, accelerations or strains to identify the crack damage [6].
In an effort to enhance the sensitivity of mode shape data to the damage, the curvature mode shape (CMS) is examined as a promising indicator for damage detection [7, 8].
The mode shape data are extracted from all the nodes along the length of the structures.
Ratcliffe, Damage detection using a modified Laplacian operator on mode shape data, Journal of Sound and Vibration. 204 (1997) 505 - 517

The reduction of these emissions can be achieved by a higher utilization of secondary raw materials in cement mixtures.
Despite this complexity, the data obtained by calorimetry provides an indispensable insight which can be used to characterize the behaviour of different kinds of cements or other binders especially their mixtures with different constituents [5, 6].
This article is focused on the use of this type of calorimeter with simple construction for the measurement of the effect of component with different size as one of the most important materials properties on the hydration process of cement and description of data which can be obtained for specific additives by this way.
There is still observable negative effect of cement particle size reduction on the flexural strength.
From these data can be concluded that the reactivity of cement depends not only on particle size but also on the method of milling.

In transportation sector the reduction of moving masses without the decrease of safety parameters is a key factor for future economic success.
Further quantitative data are collected by simulative investigations of the material hardening and microhardness tests.
By comparing hardening of the material with Vickers hardness it is possible to validate the simulative data and the optical impressions of the mircosections.
The hardening depends on the strain of the material and the results confirm the qualitative data of the microsections.
Fig. 7: Experimental investigation of the material behaviour using shear-clinching technologies Conclusion Summarized, the strategy of analysing microsections and comparing simulative results with microhardness tests can be used to gain expressive data about the material behavior during the shear-clinching operation and its reference process clinching with pre-hole.