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Search Results: 1 - 10 of 28061 matches for " Chunhua Hu "
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Equivalence of Uniqueness in Law and Joint Uniqueness in Law for SDEs Driven by Poisson Processes  [PDF]
Huiyan Zhao, Chunhua Hu, Siyan Xu
Applied Mathematics (AM) , 2016, DOI: 10.4236/am.2016.78070
Abstract: We give an extension result of Watanabe’s characterization for 2-dimensional Poisson processes. By using this result, the equivalence of uniqueness in law and joint uniqueness in law is proved for one-dimensional stochastic differential equations driven by Poisson processes. After that, we give a simplified Engelbert theorem for the stochastic differential equations of this type.
Analysis on Structural Benefit of Jilin Cultural and Creative Industries
Wen FANG,Fang HU,Chunhua FENG
Management Science and Engineering , 2010,
Abstract: Cultural Creative Industry is a new industry in 21 century, and is also a new growth point in the local economic development. In recent years, Cultural Creative Industry in Jilin Province has made remarkable development and has greatly promoted the local economic growth. The paper estimates the structural benefit of Cultural Creative Industry in Jilin Province by using the structural deviation and comparable labor productivity index, and researches the allocation proportion and correlations of the elements of labor and capital in the industry, accordingly unearth the problems existed in the internal structure of the industry and provide counter planes to the coordinated growth of the industry. Key words: Cultural Creative Industry; Structural Benefit; Structural Deviation; Comparative Labor Productivity
Application of Wet Waste from Shrimp(Litopenaeus vannamei) with or Without Sea Mud to Feeding Sea Cucumber(Stichopus monotuberculatus) Application of Wet Waste from Shrimp(Litopenaeus vannamei) with or Without Sea Mud to Feeding Sea Cucumber(Stichopus monotuberculatus)
CHEN Yanfeng,HU Chaoqun,REN Chunhua
- , 2015,
Abstract: In the present study, the applicability of the wet waste collected from shrimp(Litopenaeus vannamei) to the culture of sea cucumber(Stichopus monotuberculatus) was determined. The effects of dietary wet shrimp waste on the survival, specific growth rate(SGR), fecal production rate(FPR), ammonia- and nitrite-nitrogen productions of sea cucumber were studied. The total organic matter(TOM) level in the feces of sea cucumber was compared with that in corresponding feeds. Diet C(50% wet shrimp waste and 50% sea mud mash) made sea cucumber grow faster than other diets. Sea cucumber fed with either diet D(25% wet shrimp waste and 75% sea mud mash) or sole sea mud exhibited negative growth. The average lowest total FPR of sea cucumber occurred in diet A(wet shrimp waste), and there was no significant difference in total FPR between diet C and diet E(sea mud mash)(P > 0.05). The average ammonia-nitrogen production of sea cucumber in different diet treatments decreased gradually with the decrease of crude protein content in different diets. The average highest nitrite-nitrogen production occurred in diet E treatment, and there was no significant difference in nitrite-nitrogen production among diet A, diet B(75% wet shrimp waste and 25% sea mud mash) and diet C treatments(P > 0.05). In each diet treatment, the total organic matter(TOM) level in feces decreased to different extent compared with that in corresponding feeds
The Joint Action of Destruxins and Botanical Insecticides (Rotenone, Azadirachtin and Paeonolum) Against the Cotton Aphid, Aphis gossypii Glover
Fei Yi,Chunhua Zou,Qiongbo Hu,Meiying Hu
Molecules , 2012, DOI: 10.3390/molecules17067533
Abstract: The joint action of destruxins and three botanical insecticides, rotenone (Rot), azadirachtin (Aza) and paeonolum (Pae) against the cotton aphid, Aphis gossypii, was bioassayed. In laboratory experiment, several synergistic groups of destruxins with botanical insecticides were found by means of Sun’s Co-toxicity Coefficients (CTC) and Finney’s Synergistic Coefficient (SC). The best synergistic effect was discovered in the ratio group Des/Rot 1/9 with the CTC or SC and LC50 values of 479.93 or 4.8 and 0.06 μg/mL, respectively. The second and third synergistic effects were recorded in the ratio groups Des/Rot 7/3 and 9/1. Although the ratio groups Des/Aza 6/4, Des/Pae 4/6, 3/7 and 2/8 indicated synergism by Sun’s CTC, they were determined as additive actions by Finney’s SC. Additive actions were also found in most of the ratio groups, but antagonism were recorded only in three ratio groups: Des/Pae 9/1, 7/3 and 6/4. In greenhouse tests, the highest mortality was 98.9% with the treatment Des/Rot 1/9 at 0.60 μg/mL, meanwhile, the treatments Des/Pae 4/6 and Des/Aza 6/4 had approximately 88% mortality.
Sediment resuspension in the Lake Taihu, China
Chunhua Hu,Weiping Hu,Fabing Zhang,Zhixin Hu,Xianghua Li,Yonggen Chen,

科学通报(英文版) , 2006,
Abstract: In order to examine the intensity of surfi-cial sediment resuspension in Lake Taihu, a large shallow lake in eastern China, suspended sediment concentrations (SSCs) were measured on the basis of analysis of water samples collected using an in-novative multi-level water sampler. The results show that under calm weather conditions, the SSC is rela-tively homogenous through the entire water column. However, when strong winds occur, the SSC in the bottom layer is 1-2 orders of magnitude greater than in the surface layer; thus, in this case, the amount of total suspended matter in the water column cannot be estimated using the SSC values of the surface layer alone. Furthermore, the depth of disturbance, or the thickness of the sediment layer that is set in mo-tion by wind-wave induced currents, is of the order of 100 mm.
Inhibitory Effect on Cerebral Inflammatory Response following Traumatic Brain Injury in Rats: A Potential Neuroprotective Mechanism of N-Acetylcysteine
Gang Chen,Jixin Shi,Zhigang Hu,Chunhua Hang
Mediators of Inflammation , 2008, DOI: 10.1155/2008/716458
Abstract: Although N-acetylcysteine (NAC) has been shown to be neuroprotective for traumatic brain injury (TBI), the mechanisms for this beneficial effect are still poorly understood. Cerebral inflammation plays an important role in the pathogenesis of secondary brain injury after TBI. However, it has not been investigated whether NAC modulates TBI-induced cerebral inflammatory response. In this work, we investigated the effect of NAC administration on cortical expressions of nuclear factor kappa B (NF-B) and inflammatory proteins such as interleukin-1 (IL-1), tumor necrosis factor- (TNF-), interleukin-6 (IL-6), and intercellular adhesion molecule-1 (ICAM-1) after TBI. As a result, we found that NF-B, proinflammatory cytokines, and ICAM-1 were increased in all injured animals. In animals given NAC post-TBI, NF-B, IL-1, TNF-, and ICAM-1 were decreased in comparison to vehicle-treated animals. Measures of IL-6 showed no change after NAC treatment. NAC administration reduced brain edema, BBB permeability, and apoptotic index in the injured brain. The results suggest that post-TBI NAC administration may attenuate inflammatory response in the injured rat brain, and this may be one mechanism by which NAC ameliorates secondary brain damage following TBI.
2-Oxo-2,3-dihydro-1H-imidazo[1,2-a]pyridinium iodide
Jinling Miao,Jisheng Guo,Chunhua Hu,Daqi Wang
Acta Crystallographica Section E , 2010, DOI: 10.1107/s1600536810004976
Abstract: In the title compound, C7H7N2O+·I , the carbonyl C and O atoms of the cation and the iodide ion are situated on mirror planes. The mean plane of the imidazo[1,2-d]pyridinium cation is perpendicular to the mirror plane as a consequence of the disorder of the cation over two opposite orientations of equal occupancy. In the crystal, N—H...I interactions are present.
1,3-Bis(carboxymethyl)imidazolium triiodide 1-carboxylatomethyl-3-carboxymethylimidazolium
Jinling Miao,Chunhua Hu,Haiyan Chen,Guizhen Yuan
Acta Crystallographica Section E , 2009, DOI: 10.1107/s1600536809025239
Abstract: In the title compound, C7H9N2O4+·I3 ·C7H8N2O4, the two imidazolium units are hydrogen bonded through the carboxyl groups. The units are further linked via intermolecular O—H...O hydrogen bonding, resulting in a one-dimensional ladder-type structure. As a result, the two carboxy groups of each imidazolium unit adopt a cis configuration with respect to the imidazolium ring.
cis-Dichloridobis(triphenylphosphine-κP)platinum(II) chloroform solvate
Jinling Miao,Chunhua Hu,Xiao Feng,Hongwei Chen
Acta Crystallographica Section E , 2009, DOI: 10.1107/s1600536809029961
Abstract: In the title compound, [PtCl2(C18H15P)2]·CHCl3, each PtII centre adopts a nearly square-planar coordination geometry formed by two P atoms [Pt—P = 2.2481 (17) and 2.2658 (19) ] and two Cl anions [Pt—Cl = 2.3244 (19) and 2.3548 (17) ]. The Cl atoms of the chloroform solvent molecule are disordered over two orientations in a 0.778 (11):0.222 (11) ratio. The crystal packing is stabilized by weak intermolecular C—H...Cl hydrogen bonds, exhibiting voids with a volume of 215 3.
Dirubidium digallium oxide bis(orthoborate)
Robert W. Smith,Chunhua Hu,Christopher D. DeSpain
Acta Crystallographica Section E , 2008, DOI: 10.1107/s1600536808005783
Abstract: The title compound, Rb2Ga2O(BO3)2, is part of the homologous series A2Ga2O(BO3)2 (A = Na, K, Rb and Cs). The structure contains pairs of gallium-centered tetrahedra connected through a shared oxygen vertex. Orthoborate triangles connect the basal vertices of the tetrahedra, forming a three-dimensional network with voids occupied by rubidium ions.
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