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Edge trimming technique is adopted in order to avoid reduction of bending strength on dedendum location.
Geometric data is as follows: modulus is , number of tooth is , , the normal angle is, width of every gear is , addendum modification coefficient is, radial gap coefficient is , modification coefficients are , , contact ratio is 1.29.

Table 1 shows statistical data of BFG (blast furnace gas), COG (coke oven gas) and LDG (converter gas) of 27 iron and steel plant such as Baosteel and Shougang.
adjustable users unit used to adjust load based on the principle of priority from high to low when the surplus gas fluctuations in the non-normal state that other unit can’t adjust the fluctuations effectively; CCPP unit generally used to adjust a stable part of the fluctuations because its adjustable load is relatively large and its open-stop generally have to pay a high price; blending boilers unit also used to adjust the stable part of the fluctuations but its adjust ability is much smaller because blending boilers main consuming gas, coal, or heavy oil and other fuels to produce steam and electricity and its frequent changes in operating conditions will directly affect the stability of the combustion process and economic of boiler operation. 2.2 The objective function and constraints 2.2.1 The objective function Adjustable users open and stop, CCPP and blending boilers of load changes, gas tanks of non-normal operation,which result in efficiency losses in adjustable user, CCPP and reduction

Ethanediol and propanediol, because there are two hydroxyls, the role of the hydrogen bonding is stronger, after dissolving, the role has a large weaken, the viscosity of ink prepared with them has a large reduction.
[2] Li Yunyan, Hu Chuanrong, in Design of experiments and data processing edited by Chemical industry press (2005),p.143

Numerical examples A series of experiments about steel ogive-nosed rod penetrating in the concrete target were carried out by Hanchak, and many valuable experiment data were obtained.
The result indicates that the existence of the initial crack leads to the reduction of the protection ability and enhancing the residual velocity.

Absorption and luminescence spectra of complex 1 in CH3CN The absorption and luminescence data of the complex 1 in CH3CN at room temperature are included in Fig. 2.With reference to previous photophysical studies on related cyclometalated iridium complexes systems [2], the intense absorptions below 350 nm appear to be spin-allowed intraligand LC transitions that closely resemble the spectra of functionalized bpy ligand, whereas the moderately intense absorptions above 350 nm are likely due to 1MLCT and 3MLCT.
Monkman, Ionic Iridium(III) Complexes with Bulky Side Groups for Use in Light Emitting Cells: Reduction of Concentration Quenching, Adv.

On the other hand, gravure hot-air drying system has high energy consumption, which goes against cost reduction.
Experimental data processing The drying process is a complex transfer process under reciprocal influence of heat, quality and momentum, which requires a large amount of energy.

Dashed line is a power function fit of the experimental data.
As the thickness increases, the crystalline quality of the as-grown layer improves due to the reduction of the density of grain boundaries and planar defects.

Our research interest was focused on the application of the microbial Fe(III) reduction as an in situ remediation of contaminated waters.
The crystalline phases were identified using standard cards from the International Centre for Diffraction Data (ICDD, Newtown Square, Pennsylvania) Powder Diffraction File database.

Unlike other constitutive relationships of concrete core which are mainly based on experimental data or empirical formula, Mander’s confined concrete model contains intelligible mechanical concepts so that it provides a better approach to describe the behavior of confined concrete [7].
A bilinear expression of the descending stage developed by Schneider [2] is chosen to describe the soften properties of the concrete core and a reduction factoris defined to measure the descending degree.

It was found after be injected La in catalyst that cathode not only had better oxygen reduction activities, but La also could reduce solubility of catalytic phase [4].
Table 2 The XRD data of A, B, C, D and E sample.