non - contact, radio frequency detection of ammonia
non - contact, radio frequency detection of ammonia
... Because of the improved stabil- ity of the polyaniline dispersion, PAn loading concentrations can be higher, which is better for printing. In this paper, we describe the use of a non- contact, radio- fre- quency ... chopping 0.5 g of each substrate into 2 mm strips and soaking in 10 g of deionised water for 72 h. 2.3. Radio frequency conductance measurements A PCIS-3000 1 0...
Ngày tải lên: 20/03/2014, 13:05
la nanotubes sensor for room temperature detection of ammonia
... loss was non- monotonically related to the NH 3 concentration. When the NH 3 Fig. 6. The plots of (a) and (b) dielectric loss variation as a function of NH 3 concen- tration at a frequency of 10,000 ... 40-nm Pt on a layer of silicon dioxide (SiO 2 ) thermally grown on top of a silicon wafer. The suspension of LSCO was strewn on the IDE fingers. 2.5. Measurement of sensing ch...
Ngày tải lên: 20/03/2014, 13:04
Define Radio Frequency Identification (RFID)
... signal – Sent by radio transmitters – Continuous wave (CW) of constant amplitude (also called voltage) and frequency – An up-and-down wave called an oscillating signal or a sine wave 24 Frequency ... Digital (continued) 23 Frequency • Frequency – Rate at which a radio circuit creates the waves – The number of times a cycle occurs within one second • Cycle – Composed of one...
Ngày tải lên: 13/09/2012, 10:52
Báo cáo y học: "Comparison of a Two-Lead, Computerized, Resting ECG Signal Analysis Device, the MultiFunction-CardioGramsm or MCG (a.k.a. 3DMP), to Quantitative Coronary Angiography for the Detection of Relevant Coronary Artery Stenosis (70%)
... 0.881 (0.8 6-0 .903).(Figure 2). The coordinates of the curve confirmed that a cut-off score of 4.0 pro- vides the best combination of sensitivity and specific- ity for the prediction of relevant ... Narasimhadevara SM, Feng GQ, Shen JT. Com- puter-enhanced frequency- domain and 12-lead electrocardi- ography accurately detect abnormalities consistent with ob- structive and nonobst...
Ngày tải lên: 03/11/2012, 10:58
Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks
... rate 14 4-3 8 4-2 048 kbps 64 - 144 - 384 kbps 32 - 144 - 384 kbps 32 - 144 - 384 kbps BER <=10E-6 <=10E-6 <=10E-6 <=10E-6 Delay 50 ms 50 ms 50 ms 50 ms Circuit- switched, ... rate 14 4-3 8 4-2 048 kbps 64 - 144 - 384 kbps 32 - 144 - 384 kbps 32 - 144 - 384 kbps BER <=10E-6 <=10E-6 <...
Ngày tải lên: 26/04/2013, 11:15
Genotoxicity of 255 chemicals in the Salmonella microsome test (Ames test) and 8-hydroxyguanine (8-OH-Gua) assay for the detection of carcinogens
... 6.1) (N -methyl-N '-nitro-N -nitrosoguanidine) ENNG ND NT NT 10,521 (N -ethyl-N '-nitro-N -nitrosoguanidine) PNNG 63 (1.0) NT NT 2,410 (38.3) (N -propyl-N '-nitro-N -nitrosoguanidine) BNNG ... without S9mix, Glu-P-1 and Trp-P-2 are tested with S9mix using TA98 and YG1041. 2-Nitronaphthalene, 2,4-dinitrotoluen and 4-nitroquinoline N -oxide (4-NQO) are tested without S9mix, 2-...
Ngày tải lên: 05/09/2013, 08:40
Detection of bacteria and enteric viruses from river and estuarine sediment
... Tatsuo OMURA* * Department of Civil and Environmental Engineering, Tohoku University, 6-6 -0 6, Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 98 0-8 579, Japan ** Department of Hydraulic & Ocean Engineering, ... positive-sense single-stranded RNA genome surrounded by a non- enveloped, icosahedral capsid of approximately 25 nm diameter. This virus was also used by Gerba et al...
Ngày tải lên: 05/09/2013, 10:15
Detection of Antiviral Drugs Oseltamivir Phosphate and Oseltamivir Carboxylate in Neya River, Osaka, Japan
... vicinity of ST-1, ST-3, ST-5 and ST-6. Only one ordinary wastewater treatment plant exists between ST-1 and ST-2. However, five treatment plants are located between ST-3 and ST-4. Out of the ... in a hospital in a week. The Journal of Water and Environment Technology, Vol. 8, No.4, 2010 - 367 - 0 30 60 90 120 150 ST-1 ST-2 ST-3 ST-4 ST-5 ST-6 Oseltamivir phosphate (ng/L...
Ngày tải lên: 05/09/2013, 10:15
Influence of Polyferric Sulfate Coagulant on the amoA mRNA Expression of Ammonia Oxidizer in Activated Sludge
... 1 NH 4 + -N in Run 2 NO 2+3 - -N in Control NO 2+3 - -N in Run 1 NO 2+3 - -N in Run 2 Fig. 2 - Time course of NH 4 + -N and NOx - -N in batch experiment Fe/P molar ratio of 1 was enough for phosphorus ... Journal of Water and Environment Technology, Vol. 8, No.4, 2010 - 416 - 0 200 400 600 0 10 20 30 NH 4 + -N, NO 2+3 - -N (mg l -1 ) Time (min)...
Ngày tải lên: 05/09/2013, 10:15
Non-Destructive Resonant Frequency Measurement on MEMS Actuators
... 4100 230 3-3 4003 165.81 ±33 4000 230 4-1 4153 25.96 ±21 4100 230 4-2 4090 108.14 ±53 4000 230 4-3 4084 29.27 ±29 4000 231 2-1 3681 25.82 ±22 3700 231 2-3 3779 13.81 ±17 3800 Table 1. Comparison of resonance ... equation, we obtain 22 o wddl - -= (6) Because we are solving for the case when the roots are imaginary (Under-damped case), we can substitute 222 @MM -= - o...
Ngày tải lên: 23/10/2013, 16:15