نتایج جستجو برای: having thicknesses of several centimeters

تعداد نتایج: 21173182  

پایان نامه :0 1374

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...

Journal: :Science 2009
Xuesong Li Weiwei Cai Jinho An Seyoung Kim Junghyo Nah Dongxing Yang Richard Piner Aruna Velamakanni Inhwa Jung Emanuel Tutuc Sanjay K Banerjee Luigi Colombo Rodney S Ruoff

Graphene has been attracting great interest because of its distinctive band structure and physical properties. Today, graphene is limited to small sizes because it is produced mostly by exfoliating graphite. We grew large-area graphene films of the order of centimeters on copper substrates by chemical vapor deposition using methane. The films are predominantly single-layer graphene, with a smal...

Journal: :The Journal of Experimental Medicine 2003
Edward Perkins Carter

The determination of the percentage of CO(2) in the alveolar air, by the method of Haldane and Priestley, is sufficiently accurate for clinical purposes when the individual is at rest. It is evident, however, that an error may arise in the determination of the percentage of CO(2) in the alveolar air, due to the time during the forced expiration, short of the extreme limit, at which the sample m...

2017
Rebecca Bendayan Rachel Cooper Elizabeth G. Wloch Scott M. Hofer Andrea M. Piccinin Graciela Muniz-Terrera

Background We aimed to identify the hierarchy of rates of decline in 16 physical functioning measures in U.S. and English samples, using a systematic and integrative coordinated data analysis approach. Methods The U.S. sample consisted of 13,612 Health and Retirement Study participants, and the English sample consisted of 5,301 English Longitudinal Study of Ageing participants. Functional los...

Journal: :iranian journal of parasitology 0
mr youssefi dept. of veterinary parasitology, islamic azad university babol–branch, iran sh hoseini dept. of veterinary parasitology, faculty of veterinary medicine, tehran university of medical sciences, iran sm hoseini dept. of veterinary parasitology, islamic azad university babol–branch, iran ba zaheri centre of environment biology, semnan, iran m abouhosseini tabari dept. of veterinary pharmacology, faculty of veterinary medicine, university of tehran, tehran, iran

ancylostoma tubaeforme was originally described as a separate species parasitizing the cat. the adults of a. tubaeforme are 7 to 12 mm long. a. tubaeforme can be differentiated from the adults of a. braziliense and a. ceylanicum by the presence of three teeth. here we describe the first re­port of a. tubaeforme in a persian young female leopard, 2-3 years old, with head and trunk length 120 cen...

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