Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: December 2013
Authors: Rostislav Drochytka, Vit Černý, Ester Helanová
There is a way of further reduction of total cost of grouting and enhancing mix workability - addition of fly ash.
Addition of fly ash also caused reduction of requirements of mixing water for determination of consistency with Marsh funnel.
[2] Directions for laboratories: basic data for laboratory.
Online since: October 2013
Authors: Shu Fen Cui, Min Du, Zhi Xuan Li
A developmental study of data envelopment analysis in measuring the efficiency of maintenance units in the U.S. air forces[J] ,1984 [6] Zhang Mingxi, Wang Zhou Yafei.
Structural tax reduction strategy significance of [J]. modern audit and economy on China's economy. 2012 (04) [9] Jia Kang, Cheng Yu.
The structural tax reduction policy: a study of [J]. local government review and Prospect of 2012 (05).
Online since: December 2019
Authors: Evgenii E. Ustimenko, Sergey V. Skachkov
Since plastic deformations occur in the metal plate, the stresses of the second and subsequent bolt contacts are reduced, and the reduction is a non-linear one.
Here, a similar dependence of stress reduction in the second and third bolt contacts is observed.
The results of the numerical studies shall be confirmed by field tests to clarify the data.
Online since: February 2013
Authors: Tai Long Gui, Chun Cheng Ban, Jia Qing Liu, Si Da Jiang
Using the Veeco production Nanoscope IIIA of MultiMode scanning probe atomic force microscope (AFM) to analysis the surface morphology of the film, with the the NanoScope specific testing an average particle diameter, and the mean squaresurface roughness (RMS), maximum peak height and maximum valley depth of the difference in height (Rmax); The data obtained from the comparative analysis of the results that is shown in Table 1.
Normally, the refractive index of the film will be increased because of the reduction in film defects after annealing and the film density increasing[5].
Normally, the refractive index of the film will be increased because of the reduction in film defects and the film density increases after annealing.
Online since: July 2012
Authors: Hai Bin Zhou, Chuan Shuang Hu, Jian Hui Zhou
All these studies investigated the immediate change in MOR and MOE at the elevated temperature revealed more or less linear reduction in mechanical properties below 150ºC.
Table 2 The exposure time for each test group Test group No. 1 2 3 4 5 6 7 8 Target temperature / ºC 75 100 125 150 175 200 225 250 Exposure time in the drying chamber / min 8 13 16 19 21 25 30 45 Fig. 1 Test setup of bending strength Result and Discussion Table 3 summarizes the bending tests data for all treatments.
The bending strength and MOE generally reflected above 50% linear reduction.
Online since: January 2011
Authors: Lv Tao Zhu, Bao Zhong Sun
Stress transfer parts Ls Fig.1 Preparation of fiber tows specimen for tensile testing The apparatus of SHTB Dashpot Transmission Bar Gas Gun Strike Bar Strain Gages Specimen Incident Bar Absorb Bar High-speed Data Acquisition Card Super Dynamic Strain Amplifier Computer The sketch of the SHTB apparatus is shown in Fig.2.
The fracture generated plastic flow accompanied by a significant necking and reduction in fiber diameter and tapered diameter near the fractured area, which results from significant localization of deformation in the crystalline phase of the polymer.
It is characterized by decohesion, a reduction in diameter and splintering of the microfibrils along the longitudinal axis of the fiber and the fracture surfaces has a bamboo-like appearance, which reflected the toughness feature of the fiber tows.
Online since: June 2011
Authors: Xiao Nong Cheng, Xiao Jing Xu, J.M. Ru, J.P. Mo
Introduction The driving need for weight reduction in such as automobile and aircraft fields has stimulated enormous research interesting on magnesium alloys.
To obtain various initial microstructures, the alloy were treated by solid-solution (663K×13h, follows by water quench), severe plastic deformation (SPD) processing through large strain compressive deformation (66 % sample height reduction at 557 K), and subsequent annealing (393K, 433K and 473K for 1h respectively).
Fig.3 Integral breadth analysis to calculate the coherent domain size and lattice strain Table 2 some microstructural and mechanical features calculated from XRD data Material states (nm) (%) (1014 m-2) Solid solution before tension 66.981 0.030 0.517 after tension 73.36 0.053 0.834 Solid solution-SPD before tension 62.371 0.100 1.851 after tension 54.630 0.109 2.304 Solid solution-SPD-annealing (433K) before tension 65.003 0.055 0.977 after tension 83.726 0.109 1.503 Microstructure and deformation mechanisms.
Online since: June 2011
Authors: Geoff M. Scamans, Zhong Yun Fan, Iman Bayandorian, Huang Yan
The strip homogenised at 400ºC for 1 hour were hot rolled at 400ºC and at a rolling speed of 190mm/s from the as-cast gauge of 6mm down to 1.6mm, giving a total reduction of 73% using 9 rolling passes.
On average, the tensile elongation for the MC-TRC strip was ~16% compared to ~10% for the TRC strip, although both are higher than the reported data of 1.5-6.2% [5].
Optical micrographs showing, a) presence of centre line segregation (S-arrow) after homogenization at 400ºC for 1 hour and b) after hot rolling to 73% reduction and final annealing. c) the initiation of micro-cracks (C-arrow) in a tensile test sample of 73% hot-rolled and annealed TRC AZ91D alloy strip.
Online since: September 2013
Authors: Xin Guang Wang, Xian Qun Luo, Jie Du, Jing Cao, Chun Di Zhang, Xian Ying Cao
The determined data are listed detailedly in Table 1, and the representative DSC curves of the polymer samples are shown in Fig. 2.
The trend of decreasing Xc with increased MD content is clear, which demonstrated that the introduction of irregularity caused a reduction in crystallinity.
Obviously, the weight loss increased with degradation time for all the samples, which could be caused by the hydrolysis of ester linkages, followed by the subsequent reduction of molecular weight, to result in water-soluble oligomeric and/or monomeric products.
Online since: December 2014
Authors: Hong Biao Liu
The structure will collapse instantly due to the larger dead-weight of masonry structure and the reduction of vertical bearing capacity of bottom walls caused by wall cracking, coupled with vertical ground motions, and the damage is shown in Fig.1.
The main reason of walls between windows damaged in the earthquake is the sudden reduction in cross section of the wall due to the windows opening.
Fig.6 Failure of connection between longitudinal wall and transverse wall Conclusions Based on several earthquake disaster site survey data, the earthquake damaged or collapsed forms of multi-story brick masonry structures can be summed up to a total of five kinds, which are whole or partial collapse of buildings, building damage caused by foundation failure, damage of wall between windows, destruction of substructure protruding roof, failure of connection between horizontal and vertical wall.
Showing 13921 to 13930 of 40357 items