نتایج جستجو برای: 10m and 50h
تعداد نتایج: 16827255 فیلتر نتایج به سال:
In the experimental tests of gravity, there have been considerable interests in the possibility of intermediate-range gravity. In this paper, we use the earth-satellite measurement of earth gravity, the lunar orbiter measurement of lunar gravity, and lunar laser ranging measurement to constrain the intermediate-range gravity from λ = 1.2×10m−3.8×10m. The limits for this range are α = 10−5×10, w...
Anti-CD9 monoclonal antibodies (MoAbs) are reported to activate human platelets through stimulation of the Fc gamma II receptor. We show here that nonstimulatory F(ab')2 fragments of the anti-CD9 MoAb 50H.19 induce dense-granule release and dose-dependent platelet aggregation when attached to polystyrene latex beads. Cross-linking F(ab')2 fragments of MoAb 50H.19 by F(ab')2 fragments of goat an...
Theoretical light curves of four recurrent novae in outburst are modeled to obtain various physical parameters. The four objects studied here are those with a red giant companion, i.e., T Coronae Borealis, RS Ophiuchi, V745 Scorpii, and V3890 Sagittarii. Our model consists of a very massive white dwarf (WD) with an accretion disk and a red giant companion. Light curve calculation includes refle...
Using the initial peculiar-velocity field, we analytically study the hierarchical formation of gravitationally bound objects. The field is smoothed over a scale that corresponds to the mass of a given class of objects. Through the Zel’dovich approximation, the smoothed field determines how the objects cluster together to form a new class of more massive objects. The standard cosmological parame...
This paper introduces a new series of time-of-flight (TOF) range image sensors that can be used for outdoor middle-range (10m to 100m) applications by employing small duty-cycle modulated light pulse with relatively high optical peak power. set TOF is referred here as hybrid (hTOF) sensor. The hTOF sensor based on the indirect measurement principle but simultaneously uses direct concept coarse ...
In this paper, an imaging chip for acquiring range information using by 0.35 μm CMOS technology and 5V power supply has been described. The system can extract range information without any mechanical movement and all the signal processing is done on the chip. All of the image sensors and mixed-signal processors are integrated in the chip. The design range is 1.5m-10m with 18 scales.
This study was undertaken to survey impacts of bottom trawling on distribution and diversity of gastropods of the Bahrakan Fishing Area (BFA), of the northwestern coasts of the Persian Gulf. Gastropod samples were collected from depths of 6m and 10m at 18 randomly selected stations in three occasions, right before the opening of shrimp trawling seasonand two weeks and 3 months after the fish...
If the density distribution ρ(r) of MACHOs is spherically symmetric with respect to the Galactic center, it is shown that the minimal total mass M min of the MACHOs is 1.7×10M⊙τ −6.7 where τ −6.7 is the optical depth (τ) toward the Large Magellanic Cloud (LMC) in the unit of 2×10−7. If ρ(r) is a decreasing function of r, it is proved that M min is 5.6× 10M⊙τ −6.7 . Several spherical and axially...
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