نتایج جستجو برای: ira

تعداد نتایج: 1475  

1999
Everett G. Farr

One form of Impulse Radiating Antenna (IRA) combines the technologies of the Balanced Transmission-line Wave (BTW) sensor with TEM-fed paraboloidal reflector antennas. The behavior of the IRA was calculated using a combination of the Method of Moments, using the NEC Code, and Geometrical Optics. The results of NEC compare favorably to both high and low frequency asymptotes. The frequency domain...

Journal: :journal of reproduction and infertility 0

introduction: recurrent abortion (ra) may be a consequence of aberrant expression of immunological factors during pregnancy. although the relative importance of immunological factors in human reproduction remains controversial, substantial evidence suggests that autoantibodies contribute to reproductive failure. production of such antibodies is under the control of cytokines; and leptin, beside...

Journal: :Revista chilena de pediatría 2002

Journal: :Berichte der deutschen chemischen Gesellschaft 1875

Journal: :Journal of Chemical Education 1924

Journal: :Revista USP 2005

Journal: :The New England Quarterly 1929

Journal: :Clinical chemistry 1987
L O Henderson W H Hannon S J Smith G R Cooper

Local antisera (LA) were compared with a common interim reference antiserum (IRA) to examine the antiserum component of the among-laboratory variation in an international collaborative study with 28 laboratories evaluating a candidate international Reference Material (apo-RM) for apolipoproteins A-I (apo A-I) and B (apo B). Measurement of the relative concentration of lyophilized preparations d...

2013
Dhiraj K. Singh D. C. Pande

Abstract— Equivalent charge method is used to design ultra wide band asymptotic conical dipole (ACD) antenna. Combination of linear charge density and point charges is used to generate different profiles for ACD antennas. Two different profiles of ACD antenna are used as a feed for reflector based impulse-radiating antennas (IRAs). This paper focuses on the selection of ideal ACD profile as wel...

2015
Shan Xue Zhifei He Jingzhi Lu Xiaoqi Tao Li Zheng Yuejie Xie Xia Xiao Rong Peng Hongjun Li

The changes in fatty acid composition of total intramuscular lipid and phospholipids were investigated in the longissimus dorsi, left-hind leg muscle, and abdominal muscle of male Ira rabbits. Changes were monitored at 35, 45, 60, 75, and 90 d. Analysis using gas chromatography identified 21 types of fatty acids. Results showed that the intramuscular lipid increased and the intramuscular phosph...

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