rtd resistance temperature detector ppt

... 5. Log Detector Linear Detector In the linear detection region, the output voltage is given by: V = mV and since P=V /R, P % V o i i o 2 2 Where m is the constant of proportionality Log Detector ... Detector Amplifier Another type of detector arrangement is the Log detector amplifier circuit shown in Figure 5. It is formed by using a series of amplifiers and diode detectors. Due to the nature ... q Where p and q are constants of proportionality The Log detector has good range, but is hampered by large size when compared to a single diode detector. Pulse Width Measurements If the pulse width...

Ngày tải lên: 22/12/2013, 08:16

... = Resistance The secondary portion of a resistance spot welding circuit, including the parts to be welded, is actually a series of resistances. The total additive value of this electrical resistance ... bottom workpiece and the electrode. 6. Resistance of electrode tips. The resistances are in series, and each point of resistance will retard current flow. The amount of resistance at point 3, the interface ... gas tungsten-arc (TIG) spot weld. RESISTANCE SPOT TUNGSTEN ARC SPOT Figure 4-1. Resistance And TIG Spot Weld Comparison The gas tungsten-arc spot is made from one side only. The resistance spot weld is...

Ngày tải lên: 25/01/2014, 20:20

... mutation. Our study suggests that Y42H is a temperature sensitive muta- tion, which is mild at low temperatures, but may have deleterious effects at increased temperatures. Keywords: chaperones; newborn ... samples were made under the same conditions as a function of temperature (at fixed points between 30 °Cand75°C) and time (5 min equilibration at each temperature) . The baseline (buffer only) spectra were ... devi- ation o f th e m ea n. Ó FEBS 2004 The MCAD Y42H mutation is temperature sensitive (Eur. J. Biochem. 271) 4059 protein [11]. At low temperatures (31 °C) the residual enzyme activity levels from...

Ngày tải lên: 07/03/2014, 16:20

... multidrug resistance protein 3 (ABCC3). J. Biol. Chem. 276, 46400–46407 (2001). 215. Wielinga, P. et al. The human multidrug resistance protein MRP5 transports folates and can mediate cellular resistance ... Overexpression of wild-type breast cancer resistance protein mediates methotrexate resistance. Cancer Res. 62, 5035–5040 (2002). 254. Twentyman, P. R. Cyclosporins as drug resistance modifiers. Biochem. ... P-glycoprotein mediates profound resistance to bisantrene. Oncol. Res. 6, 291–301 (1994). 190. Hooijberg, J. H. et al. Antifolate resistance mediated by the multidrug resistance proteins MRP1 and...

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Ngày tải lên: 22/12/2013, 21:15

... confguration of the HP Ge (GMX) detector. Relating to the physical dimensions of the above detector the thickness of the dead layer lying at the back of the detector crystal is still unknown. ... of the detector for gamma rays at 1.332 MeV, emitted isotropically from the point source Co-60 to be located in open geometry in the front of the detector on it’s axis at the source -detector ... particles hit the detector surface and enter it, they will interact with atoms of the detector materials and be registered into the channels corresponding to total energy deposited in detector by...

Ngày tải lên: 13/02/2014, 04:20

... kinetics of the static temperature compensated network (Fig. 3A) when applying a 15 fi 35 °C temperature step at t ¼ 300. The inset shows tran- sient kinetics when a 35 fi 15 °C temperature step is ... step is applied. (D) Fluxes J 1 and J 3 as a function of temperature in the static temperature compensation of J¢ (Fig. 3A). P. Ruoff et al. Temperature compensation of fluxes FEBS Journal 274 (2007) ... its photosynthetic response (temperature compensation). We have analyzed these temperature 0 10 20 30 40 50 60 0 102030405060 photosynthetic rate, mol m -2 s -1 leaf temperature, °C AC BD 0 0.5 1 1.5 2 2.5 10...

Ngày tải lên: 19/02/2014, 02:20

... properties under acclimation to seasonal temperature variation can be defined by genetic processes. It is known that acclimation to low temperatures, or seasonal temperature variation, modulates gene ... environmental temperatures. Biofizika 43, 26–30. 22 Klyachko OS, Polosukhina ES, Persikov AV & Ozer- nyuk ND (1995) Kinetic differences in fish muscle lactic dehydrogenase on temperature adaptation. ... low pH, high temperature and high urea concentrations (Table 1). Therefore, more homogeneous composition of the ‘cold’ enzyme with LDH-A a subunits may explain its higher specific activity and resistance...

Ngày tải lên: 19/02/2014, 02:20

... paid to the effects of temperature on enzyme allostery and the influence of temperature in the regulation of PFK activity at both high (euthermic) and low (hibernating) temperatures. Results Selected ... environmental temperatures is hibernation [1–3]. The mammalian hibernator aban- dons homeothermy and allows body temperature to drop to that of its surroundings (although regulating body temperature ... assay temperatures and pH values that mimic the hibernating (5 °C, pH 7.5) vs. euthermic (37 °C, pH 7.2) conditions found in vivo in S. lateralis skeletal muscle. Table 1 shows the effect of temperature...

Ngày tải lên: 19/02/2014, 16:20

... SE-HPLC data shown in F ig. 3. Confirm- ing previous reports, temperature- induced formation of covalently linked BLG aggregates in this temperature range as detected by SDS/PAGE was modest [6]. No ... to proteolysis by either enzyme at room temperature, but underwent extensive proteolysis when either protease was present during the heat treatment. High- temperature proteolysis occurs in a progressive ... conformational epitope. DISCUSSION Increasing temperature greatly facilitated proteolytic attack of BLG by both trypsin and chymotrypsin. However, no ÔnovelÕ hydrolysis sites were made available at temperatures in the...

Ngày tải lên: 21/02/2014, 15:20

... printable test result. Example s are: 1. MTB detected; RIF resistance not detected. 2. MTB detected; RIF resistance detected. 3. MTB detected; RIF resistance indeterminate. 4. MTB not detected; RIF not ... indicator of multidrug resistance. International Journal of Tuberculosis and Lung Disease 2000;4(5):481–4. 9Xpert MTB/RIF test for detection of pulmonary tuberculosis and rifampicin resistance (Protocol) Copyright ... rifampicin resistance (Protocol) Copyright © 2012 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. Xpert MTB/RIF test for detection of pulmonary tuberculosis and r ifampicin resistance...

Ngày tải lên: 06/03/2014, 04:20

... whether the resistance was associated with the overexpression of well-documented resistance- related molecules MDR1, multidrug resistance- associated protein 1 (MRP1), and breast cancer resistance ... in cancer drug resistance research have been made, indicating that ATP-binding cassette transporters play important roles in cancer drug resistance but cannot fully explain the resistance phenomenon, ... 18.78-fold increased resistance to PYM as compared with Tca8113 cells, and cross -resistance to cisplatin, pirarubicin, paclitaxel, adriamycin, and mitomycin. We found that the resistance was not...

Ngày tải lên: 06/03/2014, 22:21

... and temperature distribution curve is spreaded in the center of concrete that is the highest temperature. So if peak tensile stress is determined by ascension rate of peak temperature, peak temperature ... extremely high external temperature and considering consecutive production it is impossible to control concrete temperature less than 30℃. Thus a method which keeps internal space temperature of curing ... successful quality of mass concrete through solving temperature restrain with the process of calculating rational temperature rise rate and maximum temperature. REFERENCES 1. 한국콘크리트학회, 콘크리트표준시방서,...

Ngày tải lên: 07/03/2014, 03:20

... resistance in Saudi Arabia © 1999 Blackwell Science Ltd 280 both groups, resistance rates remained significantly lower in E. coli isolated from the workers than those from chicken. Multidrug resistance ... despite the similarity of resistance patterns to the tested antibiotics in E. coli-chicken E. coli-patient isolates isolates t-test No. % No. % Drugs tested resistance tested resistance P-value Significance Ampicillin ... such resistance could be either natural or due to poultry as a possible source of the spectinomycin resistance pool for humans. Exposure to antibiotics at work may also contribute to increased resistance...

Ngày tải lên: 08/03/2014, 09:20

... transport,  ow control and content distribution. Technical Approach N-CRAVE is organized in four RTD work packages: . Foundational Aspects of NC: A er assessing the state of the art, theoretical ... Compendium of European Projects on ICT Research Supported by the EU 7th Framework Programme for RTD 35 ••• delay minimization and throughput maximization are developed. Moreover, the intrinsic...

Ngày tải lên: 15/03/2014, 21:20