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Based on the dynamics/kinematics model of an astronaut equipped with an MMU, a disturbance model of the astronaut's arms under zero gravity conditions is developed.
      
After measuring three initial-position information, the astronaut's arms tracking information is inputted by some tracker setting on an operator using real-time emendation and correction.
      
From the different results, we find that the motion of an astronaut's arms has greater influence over space walking with the same control mode.
      
How regular magnetic fields in a plasma originated and are sustained is a question of considerable interest, since various objects in space such as spiral arms of galaxies, many stars, and planets have a regular magnetic field [1-3].
      
The cathode holder of the diode is constructed in the form of two symmetrical arms connected to a common current lead.
      
Two cathodes are attached to the arms' ends opposite each other.
      
Depending on the irradiated surface, the irradiation conditions can be varied by changing the cathode-anode distance in one of the arms of the diode.
      
The spectrometer contains two time-of-flight arms based on microchannel-plate detectors and three telescopes, each of which is composed of two microchannel-plate detectors and one semiconductor detector.
      
The time resolution of the time-of-flight arms is 150 ps, which allows the time-of-flight distances to be set at 10-20 cm, thus providing a mass resolution of 3 amu and an angular resolution of 0.3°.
      
Owing to a great progress in studying the human genome, its euchromatic portion is almost completely sequenced; the complete sequence is still unknown only for pericentric and telomeric regions and short arms of acrocentric chromosomes.
      
Detailed analysis with 28 microsatellite markers revealed several loci with high frequency of deletions at the short (6p25, 6p22, 6p21.3) and long (6q14, 6q16-q21, 6q23-q24, 6q25, 6q27) arms of chromosome 6.
      
Loss of heterozygosity is detected on the long and short arms of chromosome 6; some such cases are manifest already at the early stages of tumor progression, while others are typical of the late stages.
      
The standard T1796A transversion in the gene BRAF has been found in 60% (55 out of 91) PTC cases with the use of amplification refractory mutation system-polymerase chain reaction (ARMS-PCR).
      
The genes encoding gliadins are mainly located on the short arms of group 6 and group 1 chromosomes, and not evenly distributed.
      
The number of complexes obtained from the pendant-armed macrocycles is lower than that of the (unsubstituted) parent ones, suggesting that the introduction of pendant arms in the macrocyclic skeletons increases the selectivity of the ligands.
      
A wide spectrum of pathological changes was described in literature, such as the absence of dynein arms in the axoneme and disorganization of axoneme structure.
      
100 nm in diameter, chromonemes, were detected in chromosome arms in a solution containing 3 mM CaCl2.
      
The introgression of alien genetic material to the common wheat genome was realized via substitutions of complete A+-,G-, and D-genome chromosomes, chromosome arms, or their fragments.
      
Marker chromosomes include one pair of submetacentrics, one pair of large acrocentrics, and one pair of large subtelocentrics with very short second arms.
      
Nucleolus organizer regions are located in telomeric regions of short arms of marker submetacentric chromosomes.
      
 

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