Results 101 to 110 of about 300 (128)
Extensive movement of LINES ONE sequences in beta-globin loci of Mus caroli and Mus domesticus. [PDF]
Casavant NC +5 more
europepmc +1 more source
Critical roles of ARHGAP36 as a signal transduction mediator of Shh pathway in lateral motor columnar specification. [PDF]
Nam H +6 more
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Saturation mutagenesis-reinforced functional assays for disease-related genes. [PDF]
Ma K +15 more
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Data acquisition system in the LLMC
SPIE Proceedings, 2000Two data acquisition systems of the Lower Latitude Meridian Circle (LLMC) are described in this paper, of which one is based on a video CCD and the other is based ona scientific CCD. To determine the position of a celestial body absolutely and precisely, the LLMC is equipped with several precision measurement devices such as one precision clock, nine ...
Binhua Li
exaly +2 more sources
Modification of the azimuth control system in the LLMC
SPIE Proceedings, 2000A new control system of the azimuth transmission mechanism used in the Lower Latitude Meridian Circle (LLMC) is described in this paper. Because the original azimuth transmission mechanism causes too much vibration during the transposition of the horizontal axis of the instrument, we decided to modify the original system by two ways.
Binhua Li
exaly +2 more sources
Vertical-angle control system in the LLMC
SPIE Proceedings, 2000A control system of the vertical angle transmission used in the Lower Latitude Meridian Circle (LLMC) is described in this paper. The transmission system can change the zenith distance of the tube quickly and precisely. It works in three modes: fast motion, slow motion and lock mode.
Binhua Li
exaly +2 more sources
Single-chip microcontroller system for CCD driving scan in LLMC
SPIE Proceedings, 2000According to the requirement of the Lower Latitude Meridian Circle (LLMC) that the instrument can still determine absolutely the position of a celestial body after a scientific CCD is attached to it, a new control plan is presented in this paper. The plan includes two parts.
Binhua Li
exaly +2 more sources
Method for Reticon signal processing in the lower latitude meridian circle (LLMC)
SPIE Proceedings, 2001The functions and characteristics of the 1 st to 9 th Reticon signals used to measure positions of reticle/slit images in the LLMC are described in this paper. According to their characteristics, we present a new method to process these Reticon signals, which consists of a filtering algorithm and a centering algorithm.
Binhua Li
exaly +2 more sources

