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1

The influence of ship rolling motion on take-off aerodynamic characteristics of aircraft

100%
He Z., Sun X., Gu X.
Polish Maritime Research
|
2018
|
tom 25
|
nr Special Issue S2
Ship motion is an important factor affecting on the safety of ski-jump take-off. The simplified frigate ship SFS1 was numerically simulated, and the results were compared with the experimental data, the feasibility of the calculation method was verified; Meshless method and WALE turbulence model were used to simulate the process of aircraft skijump take-off, aerodynamic characteristics under different rolling conditions during the aircraft ski-jump take-off process were presented. The results showed that: the influence of ship rolling motion on lift coefficient, drag coefficient and pitching moment was small, side force and rolling moment were greatly affected by rolling motion; the region of downwash with the maximum speed was about 10 m from the bow; the safety of ski-jump take-off was greatly affected when aircraft was close to the bow within 20 m
2

Design and experiment of low-pressure gas supply system for dual fuel engine

100%
Gu X., Jiang G., Guo Z., Ding S.
Polish Maritime Research
|
2020
|
tom 27
|
nr 2
3

Spermidine promotes starch degradation to relieve the inhibitory effect of chilling on wheat seed germination

88%
Gu X., Wei B., Liao Y., Wen X., Liu Y.
Acta Physiologiae Plantarum
|
2019
|
tom 41
|
nr 03
4
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The improvement of a forest resource valuation system - a case study of Beijing, China

88%
Gu X., Li M., Dou Y., Zhao Y., Zhao X.
Sylwan
|
2023
|
tom 167
|
nr 09
5

Comparative transcriptome analysis reveals the responses of winter rye to cold stress

76%
Kong Y., Zhang T., Guan Y., Wang L., Gu X., Yang S.
Acta Physiologiae Plantarum
|
2020
|
tom 42
|
nr 05
6

The molecular cloning of glial fibrillary acidic protein in Gekko japonicus and its expression changes after spinal cord transection

76%
Gao D., Wang Y., Liu Y., Ding F., Gu X., Li Z.
Cellular and Molecular Biology Letters
|
2010
|
tom 15
|
nr 4
The glial fibrillary acidic protein (GFAP) is an astrocyte-specific member of the class III intermediate filament proteins. It is generally used as a specific marker of astrocytes in the central nervous system (CNS). We isolated a GFAP cDNA from the brain and spinal cord cDNA library of Gekko japonicus, and prepared polyclonal antibodies against gecko GFAP to provide useful tools for further immunochemistry studies. Both the real-time quantitative PCR and western blot results revealed that the expression of GFAP in the spinal cord after transection increased, reaching its maximum level after 3 days, and then gradually decreased over the rest of the 2 weeks of the experiment. Immunohistochemical analyses demonstrated that the increase in GFAP-positive labeling was restricted to the white matter rather than the gray matter. In particular, a slight increase in the number of GFAP positive star-shaped astrocytes was detected in the ventral and lateral regions of the white matter. Our results indicate that reactive astrogliosis in the gecko spinal cord took place primarily in the white matter during a short time interval, suggesting that the specific astrogliosis evaluated by GFAP expression might be advantageous in spinal cord regeneration.
7
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Content available

Dynamic test and analysis of strength of bamboo curtain plywood based on free vibration modal method

76%
Gu X., Zhou A., Zhang R., Zhou Y., Wang Z., Adjei P.
Drewno. Prace Naukowe. Doniesienia. Komunikaty
|
2023
|
tom 66
|
nr 212
8

Effects of inorganic seed aerosol on the formation of nitrogen-containing organic compounds from reaction of ammonia with photooxidation products of toluene

64%
Xu J., Huang M., Feng Z., Cai S., Zhao W., Hu C., Gu X., Zhang W.
Polish Journal of Environmental Studies
|
2020
|
tom 29
|
nr 1
9

Mass spectral analysis of the aged 1,3,5-trimethylbenzene secondary organic aerosol in the presence of ammonium sulfate seeds

64%
Huang M., Xu J., Cai S., Liu X., Hu C., Gu X., Fang L., Zhang W.
Polish Journal of Environmental Studies
|
2017
|
tom 26
|
nr 4
The ammonium sulfate ((NH₄)₂SO₄) seed aerosols commonly found in the Chinese urban atmosphere could affect the formation and aging of secondary organic aerosols (SOA). Aging of aromatic SOA is performed using UV-irradiation of 1,3,5-trimethylbenzene (135-TMB)/CH₃ONO/NO/air mixtures with high concentrations (~100 μg/m³) of (NH₄)₂SO₄ seeds in the laboratory chamber in this study. The particulate products of SOA were measured using an aerosol laser time-of-flight mass spectrometer (ALTOFMS) in real-time, and fuzzy c-means (FCM) was applied to the mass spectra organic species for clusters. Experimental results indicated that methylglyxoal, 2-methyl-4-oxo-2-pentenal, 4-methyl-1H-imidazole, 4-methyl-imidazole-2-acetaldehyde, and other imidazole derivative compounds are the principal products in the aged particles. Imidazole compounds that can absorb solar radiation effectively were newly detected in the aged 135-TMB SOA with high concentrations of (NH₄)₂SO₄ seed aerosols. These would provide new information for discussing the 135-TMB SOA aging mechanism.
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