no load running torque under low temperature

... was changed prior to exposure to low temperature However, no change of culture media took place during the entire period of exposure to low temperature It must be noted that in real-life incubator ... from non -temperature exposed hESC (data not shown) Chromosomal Analysis of hESC after exposure to low temperature Metaphase spreads of hESC following lowtemperature exposure were subjected to ... mostly differentiated Assessment of chromosomal normality of hESC after exposure to low temperature The chromosomes of hESC upon exposure to low temperature (25oC and 4oC for 24 h and 48 h) was...

Ngày tải lên: 31/10/2012, 16:57

... This prevents movement during any future maintenance activity Final Notes Ribbon cable is not susceptible to the same low temperature attenuation issue since the ribbon strands are completely ... Gebizlioglu, "Time- and Temperature- Dependent Material Behavior and Its Impact on LowTemperature Performance of Fiber Optic Cables." (1998) Web Site: www.adc.com From North America, Call Toll ... ADC set out to test the theory Choosing a sub-unit that was exhibiting high attenuation loss at low temperature, they stripped the sub-unit material off the entire mid-span access area The goal...

Ngày tải lên: 10/12/2013, 20:15

... accessions of Arabidopsis, varying raffinose concentrations in accession Col-0 by overexpression of galactinol synthase or knockout of raffinose synthase did not affect freezing tolerance Considering ... among Vitis genotypes grown under two temperature regimes Can J Plant Sci 89, 961–968 Strimbeck GR, Kjellsen TD, Schaberg PG & Murakami PF (2008) Dynamics of low- temperature acclimation in FEBS ... capturing different stages of metabolic adjustment to low temperature As indicated by the LT50 values, the freezing tolerances of the accessions differed not only in terms of the absolute values but also...

Ngày tải lên: 14/02/2014, 22:20

... environmental temperature both in vitro and in vivo [16,17] The ab-tubulin dimers of mammals, for example, form microtubules in vitro at temperatures near 37 °C, and these polymers dissociate at low temperature ... c-tubulin nanochromosomes (Fig 1B) The restriction maps and relative abundances of the DNA fragments suggest that the c-T2 nanochromosome is amplified to a greater extent than the c-T1 nanochromosome ... position ⁄ c-T1), reciprocal changes of polar and charged amino acids (D396N, N400D), and one polar-for-hydrophobic alteration (I401N) Notable amino acid substitutions in the second region (70–95) of...

Ngày tải lên: 07/03/2014, 04:20

Ngày tải lên: 17/03/2014, 13:47

... MWCNT sensors Acknowledgements This work was funded in part by the Spanish Commission for Science and Technology (CICYT) under grant no TIC2003-06301 E.H Espinosa gratefully acknowledges a PhD ... sensing properties of multi-walled carbon nanotubes/SnO2 core/shell nanostructures, Nanotechnology 17 (2006) 3012–3017 [12] C Bittencourt, A Felten, E.H Espinosa, R Ionescu, N Moreau, P Heszler, C.G ... oxidebased sensors at low operating temperatures In particular, micro-sensors based on SnO2 /MWCNTs hybrid films operated at room temperature showed the higher sensitivity towards NO2 in the ppb range,...

Ngày tải lên: 19/03/2014, 16:48

... ethanol [13] Typically, 100 mL of ethanol was mixed with 0.4 mL of 0.1 M aqueous potassium chloride, followed by the addition of 2.2 mL of TTIP at ambient temperature under stirring condition The solution ... container at room temperature (25 °C) The powder (denoted as AS) suspended in the vessel was collected by filtration and dried at 60 °C in air 2.2 Preparation of titanate nanosheets Monodispersed spherical ... hydrothermal temperature was a critical factor As seen in Fig 3c–h, nanosheet structure could be obtained for samples prepared at P80 °C At 60 °C, the nanosheet morphology could not be obtained...

Ngày tải lên: 20/03/2014, 13:04

... of NO2 with SnO2 nanoribbon nanosensors at room temperature, Angew Chem Int Ed 41 (2002) 2405–2408 [2] A Kolmakov, Y.X Zhang, G.S Cheng, M Moskovits, Detection of CO and O2 using tin oxide nanowire ... the Ag/␣-Fe2 O3 sensors, the low response at low operating temperature can be attributed to the low thermal energy of the gas molecules, which is not enough to react with the surface adsorbed oxygen ... about 160 ◦ C The operating temperature of all the Ag-doped sensors is lower than that of the reported H2 S sensors [27–30] The lower operating temperature could lead to lower energy consumption,...

Ngày tải lên: 20/03/2014, 13:04

... and annealed at different temperatures for 10 h The XRD pattern of the thin film annealed at 150◦ C does not show any definite structure So the sample annealed at this temperature was in the amorphous ... voltage drops across the load resistance in testing gases/air mixture and in air, respectively Fig X-ray diffraction patterns of the thin films annealed at different temperatures pattern and the ... voltage (V C = 10 V) was supplied across the sensors and the load resistor (R L = k ) connected in series The signal voltage across the load, which changed with sort and concentration of gas, was...

Ngày tải lên: 20/03/2014, 13:12

... a proxy for various yields not considered in standard macroeconomic models Figure display the negative of the US velocity residual, i.e an abnormally low money level not associated with 3-month ... the rate is above (below) the rule, inflation is expected to go below (above) percent Moreover, there should be no substantial and See McCallum (2001) ECB Working Paper Series No 756 May 2007 15 ... than percentage points lower during the 1980s and 1990s This cannot be attributed to plausible fluctuations in the real interest rate, as discussed below Attributing this to economic shocks seems...

Ngày tải lên: 22/03/2014, 23:20

... apolar surfaces, rather than with water, decreases at low temperatures, because solvation of nonpolar surface is thermodynamically favored at low temperatures This effect can lead to cold-induced ... show high catalytic efficiency in the 0–20 °C temperature range, temperatures at which counterparts from mesophilic or thermophilic organisms not allow adequate metabolic rates to support life ... for high activity at low temperatures [1] Psychrophilic enzymes are often characterized by high flexibility [10], which allows better interaction with substrates, and by lower activation energy...

Ngày tải lên: 30/03/2014, 03:20

... adaptive features that allow them to survive and grow at a very low temperature [10–14] A molecular understanding of these features would be important to our knowledge regarding low- temperature- adapted ... activity at lower temperatures to a considerable extent Nonetheless, the method is robust enough to measure heli- R419A 10 20 30 Incubation time (min) E633Q case activity at higher temperatures ... addressed Nonetheless, the present study identifies the significance of the RecDassociated ATPase activity required during the growth of P syringae at low temperature (4 °C) The very low (but non-zero)...

Ngày tải lên: 30/03/2014, 04:20

... fuel cell catalysts 3.3 Carbon nanohorns and nanocoils Carbon nanohorns and carbon nanocoils, as well as carbon nanotubes, constitute a new class of carbon nanomaterials with properties that ... conversion of hydrogen/methanol/ethanol and oxygen into water/water and carbon dioxide [1,2] Platinum and platinum alloys are used as anode and cathode catalysts in lowtemperature fuel cells Since ... considered not to contribute to the reaction for the PEMFC, because the particles of ionomer are larger than the pore diameters and the Pt cannot contact the ionomer In view of that the methanol oxidation...

Ngày tải lên: 23/04/2014, 22:32

... In summary, nanoflower–nanorod structure, nanodendrite– nanorod structure and double nanorods layers structure were obtained by controlling growth concentration and position via low- temperature ... evolution of nanodendrite–nanorod structure was discussed The ZnO film with nanodendrite–nanorod structure has better optical properties and lesser defects comparing to those of nanoflower–nanorod structures ... nanorods in ZnO nanodendrite–nanorod structure Fig PL spectra of sample A and B and their Gaussian-resolved peaks at 1.95 eV (peak 1), 2.20 eV (peak 2) and 2.39 eV (peak 3) three-dimensional ZnO...

Ngày tải lên: 06/05/2014, 13:24

... BACTERICIDAL EFFECTS OF LOW- TEMPERATURE OXYGEN PLASMA ON INTRODUCTION A novel sterilization method capable of more rapidly killing microorganisms and less damaging material is low- temperature plasma ... oxidized, so there is practically no DNA left to assure stain binding The results of flow cytometric analysis suggest that low- temperature plasma sterilization is not only capable of killing bacteria, ... substrate and air dried in a laminar-flow hood Bacteria on carriers were then either exposed to low- temperature oxygen plasma, or vacuum-treated, or hightemperature dry heated or remained un-treated...

Ngày tải lên: 18/05/2014, 20:29

Ngày tải lên: 18/05/2014, 20:33

... peroxide in ethanol for 10 at room temperature They were immersed in 30 mL/L normal horse serum for 10 at room temperature The sections were incubated for h with primary antibodies (mouse monoclonal ... seemed that the lower the temperature of RFA was, the larger the tumor volume was (Fig 3) Effects of low temperature of RFA at the target sites on lung metastasis of hepatic VX2 carcinoma We examined ... role of low temperature of RFA at the target sites in the rapid progression of residual hepatic VX2 carcinoma, tumor tissues that survived the first RFA at 55°C were reinoculated to other normal...

Ngày tải lên: 18/06/2014, 16:20

... crucial to realize a low- temperature synthesis Therefore, argon-rich (hydrogenpoor) microwave plasma is popularly adopted for lowtemperature preparation of UNCD films due to the much lower thermal conductivity ... films grown at 100 Torr Liao et al Nanoscale Research Letters 2012, 7:82 http://www.nanoscalereslett.com/content/7/1/82 H2), low pressure (30 Torr), and even low temperature (460°C) compared with ... Liao et al.: Synthesis of highly transparent ultrananocrystalline diamond films from a low- pressure, lowtemperature focused microwave plasma jet Nanoscale Research Letters 2012 7:82 ...

Ngày tải lên: 20/06/2014, 20:20

... equilibration of carriers nor contribute to hysteresis in a varying magnetic field Acknowledgements MYS acknowledges an Australian Government Federation Fellowship WRC acknowledges funding from ... the temperature is reduced Whilst the BCS gap is known to increase towards a limiting value of 3.52 kTc as the temperature is reduced (≈ 360 μeV for aluminium), it changes only weakly in the temperature ... same temperature indicates that it is the refrigerator and not the metallization which limits thermal equilibration of carriers Polley et al Nanoscale Research Letters 2011, 6:538 http://www.nanoscalereslett.com/content/6/1/538...

Ngày tải lên: 20/06/2014, 22:20

... resulting in low activity Moreover, Al-SBA-16MN15% contained MnO and Mn nitrate with low activity, which is supposed to be another reason for the low activity of Al-SBA-16-MN15% Benzene oxidation with ... was not added, virtually, no reaction occurred (data not shown) Ozone is decomposed into oxygen species as a result of interactions with Mn oxide, forming catalytic active sites by the following ... Cite this article as: Park et al.: Catalytic ozone oxidation of benzene at low temperature over MnOx/Al-SBA-16 catalyst Nanoscale Research Letters 2012 7:14 Author details Graduate School of Energy...

Ngày tải lên: 20/06/2014, 23:20