wavelength frequency and directionality of ultrasound waves

Báo cáo hóa học: " Frequency and spectrum of mitochondrial 12S rRNA variants in 440 Han Chinese hearing impaired pediatric subjects from two otology clinics" ppt

Ngày tải lên : 18/06/2014, 16:20

... individuals, who did not have a history of exposure to aminoglycosides, exhibited a variety of severity and age -of- onset of hearing impairment The age -of- onset of hearing loss in these subjects ranged ... analysis of both strands and appeared to be homoplasmy Of these, subjects with profound hearing loss carried the 1494C > T mutation Both subjects carrying the 1494C > T mutation had a history of exposure ... to 100% (752C > T and 747A > G variants) In particular, CI of 18 variants including 1555A > G and 1494C > T mutations were >78%, CI of other 13 variants was between 78% and 50% and CI for the remaining...

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Báo cáo khoa học: "Frequency and evolution of Melampsora larici-populina Klebahn" potx

Ngày tải lên : 08/08/2014, 23:22

... races); frequency of E1 (virulent to Robusta and avirulent to Ogy and Candicans), of E2 (virulent to Robusta and Ogy and avirulent to Candicans), and of E3 (virulent to Robusta and Candicans and ... 1991) and heritability of such resistance is not well documented Because the number of genes of resistance (and symetrically of genes of REFERENCES was are unknown, we cannot forecast the number of ... the spring of 1988 and could no longer be detected at the end of August and the following year In 1990 it was more frequent and persisted until the veyed populations end of the season, and populations...

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Excitation and propagation of elastic waves by interdigital transducers for non destructive evaluation of plates

Ngày tải lên : 12/09/2015, 11:00

... of using Lamb waves in NDE of plates as they can interrogate through the thickness of plates and propagate over a long range Viktorov (1967) published the extensive use of Rayleigh and Lamb waves ... horizontal (SH) waves and plane strain waves (see Appendix A) Propagation of SH waves is a onedimensional problem while propagation of plane strain waves is two-dimensional The study of the electro-mechanical ... As a transducer, the high frequency electrical input signal is transformed into mechanical wave If the frequency of electrical input is narrow band, the frequency band of the output mechanical...

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SEC interventions and the frequency and usefulness of non GAAP financial measures

Ngày tải lên : 30/09/2015, 16:44

... goes from 19% (264 out of 1,396) in regime to 26% (366 out of 1,431) in regime and to 37% (522 out of 1,407) in regime This increase in frequency of disclose of the statement of cash flows has, according ... measure Written explanation of nature and amount of adjustments (totals) Written explanation of nature and amount of adjustments (per share basis) Written explanation of nature of adjustments No information ... paragraphs of the body of the quarterly earnings press release In the case of GAAP measures, this represents 50.2% of the observations and in the case of the non-GAAP measures, this represents 42.9% of...

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The study on characteristics of the image and value of ultrasound, computed tomography in the diagnosis and follow up of hepatobiliary f

Ngày tải lên : 01/07/2016, 11:15

... of cluster and scatter (17.4%) 3.1.2 Seperate characteristics of US and CT images 3.1.2.1 Boder of nodular lesions on US and CT Table 3.4 Boder of nodular lesions on US and CT Boder of nodular ... number and size of nodular lesions after months of treatment (88.9%) and after months of treatment (91.7%) 3.3.2 BD, GB on US before and after treatment Table 3.19 BD, GB before and after and months ... boder of clustered lesions (97.6%) on US and (93.7%) on CT 3.1.2.3.The shape of the lesions on US and CT Table 3.6 Grapes in shape on US and CT Form of gpapes US (n = 126) CT (n = 126) p Number of...

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Therapeutic ultrasound as a potential male contraceptive: power, frequency and temperature required to deplete rat testes of meiotic cells and epididymides of sperm determined using a commercially available system doc

Ngày tải lên : 05/03/2014, 17:20

... instrument was capable of producing ultrasound of or MHz frequency with power up to a maximum of 2.2 W/cm2 at a duty cycle of 100% While the ME7413 transducer operated at both MHz and MHz, the larger ... against the bottom of the ultrasound chamber during treatment Ultrasound gel was used to coat the transducer face and the underside of the latex sheet used as the bottom of the ultrasound chamber ... the bottom of the treatment chamber to aid positioning of the testes and to reduce reflection of ultrasound energy An ultrasound- transparent, nylon mesh was attached to the bottom of the ring...

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Scattering of electromagnetic waves theories and applications , tsang , ding , kong

Ngày tải lên : 17/03/2014, 13:40

... ICEBERGS Haykin and Steinhardt ESTIMATION OF OPTICAL REMOTE SENSING OF ELECTROMAGNETIC WAVES: OF ELECTROMAGN~I~ OF ELECTROMAGNETIC WAVES: Scattering of Electromagnetic Waves: Theories and Applications ... RADIOM~RY l M~HODS and S~bbaram Szekielda * SATELLITE Tsang, Kong, and Shin * THEORY DETECTION OF OF SEA ICE AND BY MICROWAVE DESCRIPTION IMAGING OF RADAR CROSS TECHNIQUES OF THE EARTH OF MICROWAVE ... media of pressure pl and of the normal component of velocity VI Scattering 6.1 BY SINGLE Cylinders, are: and Disks Scattering Mie scattering is scattering of electromagnetic waves by a sphere of...

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janssen p. interaction of ocean waves and wind

Ngày tải lên : 24/04/2014, 17:00

... THE INTERACTION OF OCEAN WAVES AND WIND with k the wavenumber and ω the angular frequency Wave number and angular frequency are related to the wave length λ and the frequency f of the wave according ... related to the period and wave length of the ocean waves and a much longer time and length scale related to changes due to small eﬀects of non-linearity and the growth of waves by wind Using perturbation ... Veriﬁcation of analysis and forecast 327 5.6 Summary of conclusions 355 THE INTERACTION OF OCEAN WAVES AND WIND 1 Introduction The subject of ocean waves and its generation...

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Báo cáo sinh học: "Growth and fabrication of InAs/GaSb type II superlattice mid-wavelength infrared photodetectors" pot

Ngày tải lên : 18/06/2014, 22:20

... mid -wavelength infrared photodiodes have a cutoff wavelength of 4.3 µm A current responsivity of 0.48 A/W and a peak detectivity of 1.75 × 1011 cmHz½/W were measured The quantum efficiency of ... detectors have a 50% cutoff wavelength of 4.3 µm at a longer wavelength side and 2.0 µm at a shorter wavelength side according to the FTIR spectroscopy Combining the response spectrum and the blackbody ... cutoff wavelength In SL material growth, the control of interface type and quality dramatically affects the overall material quality [13] As InAs and GaSb have no common atoms and both arsenic and...

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báo cáo hóa học: " The effects of high frequency subthalamic stimulation on balance performance and fear of falling in patients with Parkinson''''s disease" docx

Ngày tải lên : 19/06/2014, 08:20

... Journal of NeuroEngineering and Rehabilitation 2009, 6:13 Background Postural instability is one of the cardinal symptoms of Parkinson's disease (PD), and persons with PD run an increased risk of ... activities, e.g walking and turning [3], and it is common to experience near falls and a fear of falling [2,4,5] Contributing factors to falls are numerous and affect both voluntary and reflexive movements ... posturography tests have the advantages of allowing a standardized and reproducible procedure of using external balance perturbations and a quantification of the postural responses Posturographic...

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