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Online since: January 2012
Authors: Wilson Wong, Eric Irissou, Phuong Vo, Jean Gabriel Legoux, Stephen Yue
It was observed at 600 and 800°C anneals that a coating hardness reduction occurred, possibly due to static recovery and recrystallization, with minor sintering possibly occurring at the 800°C anneals.
Static recovery is defined as the reduction or removal of strain hardening effects [6] as a result of enhanced atomic diffusion at an elevated temperature which relieves some of the stored internal strain energy by virtue of dislocation motion in the absence of an externally applied stress [7].
Although microhardness data were not available for the heat treated coatings produced with BM and HT powders, similar results are expected.
Online since: April 2016
Authors: De Tao Liu, Fan Cheng, Yu Hao Jiang, Jin Bo Chen, Peng Bo Lu, Ling Feng Su, Fan Zhe Yu
This new building material with no resin use and no formaldehyde release is expected to be reserved as the sandwich for designing thermal insulation & noise reduction building materials.
Atomic Force Microscopy (AFM) analysis was conducted to observe for the cellulose fibers surfaces using by Veeco Di Multimode SPM instrument, AFM scanning was carried out in air by contact AFM mode, and the other conditions were that radius of curvature of 10-20 nm, scanning rate of 0.2999 Hz, scan size of 5.000 um and data scale of 100.0 nm;Py-GC-MS analysis was conducted to observe for the chemical bond conditions in cellulose fibres using by GCMS-QP2010 Plus, Rxi-1MS chromatographic column, CDS5150 pyrolyzer, Gas chrmatograph Mass Spectrometer, SHIMADZU, C70504500919AE, Pyroprobe 5000 series.
The binderless sandwiching materials with 80-100 kg/m3 have a NRC (Noise Reduction Coefficients was 0.5-0.7, and an average acoustic absorption coefficient measured at 125 Hz, 500 Hz, 1000 Hz and 2000 Hz was 0.4 - 0.6, and have the thermal conductivity of 0.05 - 0.06 kcal/mh·℃.
Online since: July 2025
Authors: Yamuna Munusamy, Mathialagan Muniyadi, Kee Yee Hang
Processability data showed that the saturation point for both fillers in rPVC was at 20 wt%, beyond which the composites became immiscible and sticky.
A recent report by Market Data Forecast in 2024 stated that the global market for PVC was valued at USD 44.38 billion and is predicted to reach USD 47.09 billion by 2025 and continue to rise up to USD 75.63 billion by year 2033 with a CAGR of 6.1%.
This data also shows that, LeHigh particles could disperse well and pose less tendency to agglomerate in rPVC matrix as compared to ALUM to produce a composite system with higher interfacial adhesion and interaction.
Particle Size Distribution of (a) ALUM and (b) LeHigh Figure 4 represents the thermal decomposition of both ALUM and LeHigh depicted by the mass loss percentage with the increasing temperature whereas, Table 4 shows the thermal stability data of both ALUM and LeHigh at processing and elevated temperature.
[4] Market Data Forecast. (2024).
Online since: August 2013
Authors: Akraphon Janon, Tanakorn Wongwuttanasatian, Gumphol Faikaow, Panumas Srinor
The measured data suggests that this wind farm is uncompetitive.
The real capacity factor (CFR) determined using measured data is 14.90%.
Research Methodology Data Collection Operational data of the two turbines was collected from 1st May 2009 to 30th April 2010.
The data was taken for only one year.
However, these tests rely on the accuracy of the manufacturers’ data.
Online since: May 2019
Authors: Alexander Valerievich Tereshkin, Irina Vladimirovna Kirichkova, Vladimir Viktorovich Kruglyak
The development of production and the relative availability of cement led to a significant reduction in demand for many clinker-free, including lime (Portland) binders.
Electron microscopic photo-aluminosilicate (with a filler in the form of a fine-milled zeolite-composite with a filler) Portland aluminosilicate composite 1-ground zeolite tuff (with a filler in the form of a thin-ground fight of a ceramic brick), 2-ground fight of a ceramic brick IR spectroscopy data (Fig. 7), as well as radiographic data (Fig. 8) indicated the formation of the composite relations between the portlandite crystals and between the crystals of portlandite and aluminosilicate component.
The use of such aluminosilicate raw material, which contains metastable minerals of imperfect structure leads to the formation of new compounds and new connections between them and the Portland matrix, which is confirmed by the data of x, XRF, SEM. 4.
The effectiveness of the contact-condensation technology, which provides a reduction in energy consumption to achieve a unit of strength by 2-3 times in comparison with cement technology and by 20-30% in comparison with autoclave technology, is proved.
Online since: July 2012
Authors: Dong Mei Tan, Wei Lian Qu, Jian Bo Zhang, Guang Qiong Wei, Jia Liu
For non-linear classification problem, the C-support vector classification algorithm can be adopted, which can divide the data into two categories, the major steps on the algorithm is as follows[10]
(1) Supposing the training set of known sample set is.is the input data,.is the categories output,
The main beam and steel truss are simulated by beam4 of 6-node spatial beam element, the cable is simulated by link10 (only withstand tension) of 2 node ropes unit, taking into account the reduction of elastic modulus based on cable nonlinear within the current span has little effect on the dynamic characteristics of cable-stayed bridge, so the cable will deal with as a linear elastic unit.
The 20 different damage cases are Selected, which denotes different damage location, the frequency is acted as the damage index, taking the frequency in damage condition and in good condition, which are normalized as the training set of support vector machine (SVM) model, then 10 sets of data are selected as the test samples to verify the accuracy of the algorithm.
In order to test the influence of data error for SVM network, respectively, the three different errors is added in the 10 sets of data to test the ability of damage identification of the trained SVM network.
Online since: October 2010
Authors: Andrew John Ruys, Ashish D. Diwan, Philip Boughton, G. Roger, James Merhebi, C. Kim, E. Clarke, Negin Amanat, R. Ho
The NiTi reinforced implants exhibited reduction in axial strain, compliance, and creep compared to TPE controls.
To suit the ovine lumbar model to reductions in BioFI™ dimensions were required.
The data rate was set to 4 Hz, recording data every 30 min during a 60s interval 3.
The test data saved in *.txt format. 7.
All but the final cycle is aimed at preconditioning the sample while the sixth cycle is used to record data. 11.
Online since: February 2012
Authors: Mei Sheng Zheng, Lian Jun Tian, Li Ming Rui
Preface The dish-shape metal corrugated pipe is widely used in petroleum, electricity, chemicals, metallurgy, marine, aviation and other engineering equipment, as the role of seal, vibration absorption, noise reduction, energy storage, thermal compensation, media isolation, and so on.
The test system of the apparatus includes: Random signal and system analyze is software SSA V7.0, Signal conditioning instrument AT04R, Data acquisition NI9215A, Acceleration sensor CA-YD-115, Hammer 5113 type force sensor, Test bench, A type of dish-shaped metal corrugated pipe, Standard block quality.
Test method: Percussing the dish-shaped metal corrugated pipe with hammer, using Acceleration sensor, Data acquisition, Signal and system analysis software, etc, we can easily access to time-domain and frequency domain signal, measured of dish-shaped metal bellows natural frequency.
Test system is shown in Fig. 5, the experimental datum are shown in Table 1.
Through the datum in Table 1 into the formula above, we can calculate the dish-shaped metal bellows' stiffness coefficient k=33.4, through the regression formula to, correlation coefficient r=0.99.
Online since: October 2014
Authors: Zheng Guo Chen, Nong Xiao, Fang Liu, Yu Xuan Xing, Zhen Sun
And it is reported that in the current data centers, more than 80% of the data stored were redundant, adding nearly 10 times cost of non-redundant data to process [2], posing an urgent need for data deduplication, which could eliminate duplicated data and improve the storage space utilization.
Deduplication is an effective method of data compression.
Thirdly, with the reduction of write traffic and the times of garbage collection, the time of erasing Flash memory decreases, resulting in longer lifespan and better reliability of SSD, because it is known to all that the more the write data is, the shorter the lifespan and the higher the bit error rate is.
In addition, read performance keeps steady, since the process of reading data does not change.
Swanson, “Rethinking flash in the data center,” IEEE Micro, vol. 30, no. 4, pp. 52–54, Jul.2010
Online since: November 2011
Authors: Ping Ning, Ming Lei Lian, Lin Zhuang Ma, Xue Qian Wang, Quan Li Feng
One can choose the isotherm that fits the experimental data best.
Elevated system pressure when is isothermal, bed adsorption capacity increase, the gas adsorbed, otherwise the system pressure drops, and a corresponding reduction in its adsorption capacity, adsorbent was desorbed for regeneration, and get gas products at the same time.
The reason for considering ethanol-loaded GAC desorption under vacuum condition is that because vacuum microwave desorption of ethanol-loaded GAC has obvious advantages when compared to microwave desorption of ethanol-loaded GAC under N2 condition and advantages listed as follows: 1) High concentrations of alcohol, when stress reduction, ethanol in gas phase increase.
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