high temperature hot water systems
Tài liệu Báo cáo khoa học: Temperature compensation through systems biology pptx
... 40J4CO, a.u.2 temperature, °C12cyclic schemeFig. 5C3Fig. 5. Mimicking temperature compensation and temperature adaptation of photosynthesis in higher plants. (A) Photosynthetic flux ... often temperature- compensated photosyntheticactivity, whereas in plants living at high temperaturesphotosynthesis is uncompensated with a typical bell-shaped form. Figure 5A shows the photosynthetic ... smallvariation in its photosynthetic response (temperature compensation). We have analyzed these temperature 01020304050600 102030405060photosynthetic rate, mol m-2s-1leaf temperature, °CACBD00.511.522.510...
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Báo cáo khoa học: Hyperthermophilic enzymes ) stability, activity and implementation strategies for high temperature applications pot
... yields when the reaction is per-formed at high temperatures; (e) the reactions kineticsare faster at high temperatures; (f) enzymatic process-ing at temperatures near or above 100 °C minimizesthe ... and stable at high temperatures, and adapted to low temperature environments. However, another theory suggests thathyperthermophiles arose from mesophiles via adapta-tion to high temperature ... operate at high temperatures,a more straightforward approach may be to search theexisting protein database for the appropriate hyper-thermophilic enzyme that normally functions at highertemperatures....
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Arsenic mobility in groundwater surface water systems in carbonate rich pleistocene glacial drift aquife
... communi-cation between surface waters and groundwater flow systems as exemplified by the Huron, Manistee andKalamazoo watersheds.The groundwater As concentrations in each of the4 watersheds are displayed ... H-2. The groundwaters show high Fe con-centrations and some of the lowest As/Fe values. Some of the soil waters and surface waters have As/Fe values 10 times as great as thegroundwaters, and about ... discussion4.1. General water chemistryMajor element chemistry of waters from the Portagecatchment [soil water (lysimeter), groundwater (well andpiezometer), and surface water (Portage Creek...
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singhal, s. c. (2002). high temperature solid oxide fuel cells - funda
... existing electrical system: and 20 High Temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications U. B, Pal and S. C. Singhal, High Temperature Science, 27 (1990) ... conductivity of pure water and pure common salt is low but that of an aqueous salt solution is high. In a short time many of the mixed oxides which exhibit high conductivity at elevated temperatures, ... the complex materials and the high expansion coefficient. Of course the difficulties are greater because of the temperature of operation. Additional 22 High Temperature Solid Oxide Fuel...
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introduction to high-temperature superconductivity selected topics
... operating temperature exceeds acertain value. This temperature may be as low as 30 K for some materials and as high as 90K for others.8It is known from development of LTSC wires that high transport ... orintermediate (20–30 K) temperatures is worth considering. Conventional low -temperature superconductors are often used in magnets running at 4 K, but they lose their superconduc-tivity in high magnetic ... also superconducting. has slightly higherand than was used routinely in the inner core of composite magnets toachieve higher fields. has which is appreciably higher than the 18 K ofhas been...
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carbon nanotube array thermal interfaces for high temperature silicon carbide devices
... high- temperature, photoacousticINTRODUCTIONSilicon carbide (SiC) electronic devices hav e developed such that commercialproducts are now available. SiC is preferred in high- temperature, high- power, ... SiC devices at temperatures as high as 500–600C, while Si is generally limited to 125C.While the foregoing discussion highlights the advantage of SiC over Si for high- temperature applications, ... whichexhibited higher noise levels at elevated temperatures as indicated by the larger errorbars for higher temperatures in the graphical results that follow.Figure 2. Modified photoacoustic...
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operational and environmental consequences of large industrial cooling water systems
... Consequences of Large Industrial Cooling Water Systems 152 Biofouling in Cooling Water Intake Systems: Ecological Aspects 3 Biofouling in Industrial Cooling Water Systems Macrofoulants in industrial ... cooling water systems in large numbers. After passage through the industrial plant, the cooling water discharge often produces a thermal plume, in which the water may be 7–10°C higher than ... large industrial cooling water systems. Springer, New York, pp 183–226 Kinne O (1963) The effects of temperature and salinity on marine and brackish water animals. I Temperature Oceanogr Mar...
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Báo cáo hóa học: " Self-propagating high-temperature synthesis of nano-TiCx particles with different shapes by using carbon nano-tube as C source" doc
... TiB2powder by a self-propagating high- temperature synthesis technique. Mater Lett 2004, 58:733-738.13. Khanra AK, Pathak LC, Mishra SK, Godkhindi MM: Self-propagating -high- temperature synthesis (SHS) ... nano-size ZrB2powder by self-propagating high- temperature synthesis. J Eur Ceram Soc 2009,29:1501-1506.15. Nersisyan HH, Lee JH, Won CW: Self-propagating high- temperature synthesis of nano-sized ... combustion temperaturesare quite low. As another consequence of the high Cconcentration, the stoichiometry of these primitivelyformed TiCxparticles in the Fe melt is relatively high. Then,...
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Báo cáo hóa học: " Study of the formation processes of gold droplet arrays on Si substrates by high temperature anneals" docx
... of catalyticallyactive nanoislands for the growth of Si wire-like crystals.Fast anneals at high temperatures o f the structures ofSi substrates with gold films deposited on them both infurnace ... not observed at any rate upto the temperature of 950°C (see Figure 5). Instead, theindividual intergrain boundaries often form joints 120°jfor the mentioned temperatures, indicating a steady-state ... process.Increase in th e RTA temperature result ed in t he for-mation of gold nanoislands on the surface of Si wafers.Thesizeandthedensityofislandsweredeterminedbythe annealing temperature (Figures...
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Research for Agricultural Sciences:" Effect of high temperature fluidized drying and tempering on head rice yield and mechanical strength of Vietnamese rice varieties " doc
... low temperature drying at 35oC, the mechanical strength of the rice kernels was higher at high temperature drying (Table 2, Figure 8). This value was significantly higher at 90oC drying temperature ... drying process. High temperature (over 1000C) fluidized bed drying of paddy has been reported by a few researchers. But, normally it is recommended that hot air drying temperature should ... for 25-30 minutes if high temperature drying is used (Poomsa-ad et al. 2005; Prachayawarakorn et al. 2005). Although there are a few research works being reported on high temperature fluidized...
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Báo cáo hóa học: " High-Temperature Stable Operation of Nanoribbon Field-Effect Transistors" pot
... than that in method (1) at elevatedtemperatures of 125 and 150°C.ConclusionsIn summary, we report the constant temperature operationof nanoribbon FETs in the temperature range of 25–150°C.In ... field-effect transistors can be used for stable high- temperature applications. The on-current level of thenanoribbon FETs decreases at elevated temperatures due tothe degradation of the electron ... inresponse to temperature variations [10–13]. However, thereduction in mobility induced by the thermal scatteringcauses the operation points of the device to vary with the temperature. This temperature- dependent...
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Báo cáo hóa học: " Nanostructured Hypoeutectic Fe-B Alloy Prepared by a Self-propagating High Temperature Synthesis Combining a Rapid Cooling Technique" ppt
... ÁSelf-propagating high temperature synthesis (SHS) ÁSoft magnetic performance Á Mechanical behaviorIntroductionNanostructured materials have been shown to exhibit out-standing high strength and ... 4:11–16123NANO EXPRESSNanostructured Hypoeutectic Fe-B Alloy Prepared bya Self-propagating High Temperature Synthesis Combininga Rapid Cooling TechniqueLicai Fu Æ Jun Yang Æ Qinling Bi Æ ... synthesized bulk nano-structured Fe94.3B5.7alloy using the one-step approach of aself-propagating high temperature synthesis (SHS) com-bining a rapid cooling technique. This method isconvenient,...
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Báo cáo hóa học: " Research Article Optimization of Linear Precoded OFDM for High-Data-Rate UWB Systems" pptx
... channelmodel CM1.Through this analytical study, we have highlighted thefact that the LP-OFDM waveform has the capability to of-fer higher robustness, that is, larger noise margins, than thenonprecoded ... How-ever, even if a high range gain of about 15 dB has been in-trinsically obtained without channel coding by the additionof the LP component, the performance of the two systems will be closer ... pagesdoi:10.1155/2008/317257Research ArticleOptimization of Linear Precoded OFDM for High- Data-Rate UWB Systems Antoine Stephan, Emeric Gu´eguen, Matthieu Crussi`ere, Jean-Yves Baudais,...
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Báo cáo nghiên cứu khoa học " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems - MS2" pdf
... research and capacity building in quality assurance, postharvest management and high technology protected cropping systems MS2: FIRST SIX-MONTHLY REPORT 30 January 2006 ... greenhouses with hydroponic systems, the key research component of this project, should contribute to Vietnam’s ability to achieve their goals in production of safe and high quality vegetables in ... research and capacity building in quality assurance, postharvest management and high technology protected cropping systems. Vietnamese Institution Research Institute of Fruits and Vegetables...
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