17 Result(s)
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Article
Ensemble tree model prediction of summer precipitation in North China based on predictor selection strategy
Selection of predictors is a key issue in using machine learning (ML) models to perform short-term climate prediction, and it is also one of the main constraints on improved model prediction skills. To investi...
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Article
Pharmacokinetics of Enrofloxacin and Its Metabolite in Carp (Cyprinus carpio) After a Single Oral Administration in Medicated Feed
A precise and reliable analytical method of high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) was developed to measure trace levels of enrofloxacin (ENR) and its major metabolite cip...
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Article
Intraseasonal variability of the surface zonal current in the equatorial Indian Ocean: Seasonal differences and causes
Using observations and numerical simulations, this study examines the intraseasonal variability of the surface zonal current (u ISV) over the equatorial Indian Ocean, highlighting the seasonal and spatial differe...
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Article
Sources, Toxicity and Detection Techniques of Semicarbazide: A Review
Semicarbazide has become an important pollutant in the environment, but there was no comprehensive literature on its advances. In this review, the source, biotoxicity and detection methods are summarized. Amon...
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Article
Time-Domain Full Waveform Inversion Using the Gradient Preconditioning Based on Transmitted Wave Energy
The gradient preconditioning approach based on seismic wave energy can effectively avoid the huge memory consumption of the gradient preconditioning algorithms based on the Hessian matrix. However, the accurac...
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Article
Growth inhibition and oxidative stress in two species of marine diatoms exposed to 1-phenylethanol
1-phenylethanol (1-PEA) is a flavor extensively used in the production of cosmetics, beverages, and food. The release of 1-PEA into coastal environments has aroused great concern. However, its potential effect...
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Degradation of lipids in seasonal hypoxic seawater under different oxygen saturation
The hypoxic phenomena of seawater have been found in the Changjiang esturay and its adjacent area for several decades. To study organic matter degradation in seasonal hypoxic seawater, series of stimulated inc...
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Article
Molecular Grou** of Grateloupia Tissues Collected Along Chinese Coast and Microsatellite Diversity Analysis of G. asiatica
Genus Grateloupia is one of the most speciose genera in family Halymeniales. It is also one of the sources for natural materials, food and medicine. With different environments, Grateloupia change their morpholog...
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Article
Sedimentary records of mangrove evolution during the past one hundred years based on stable carbon isotope and pollen evidences in Maowei, SW China
Mangroves accumulate sedimentary sequences, where cores can provide historical records of mangrove evolution with past climate change and human activity. The study traced the history of mangrove evolution duri...
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Article
Mangrove forest degradation indicated by mangrove-derived organic matter in the Qinzhou Bay, Guangxi, China, and its response to the Asian monsoon during the Holocene climatic optimum
The response of mangrove ecosystems to the Asian monsoon in the future global warming can be understood by reconstructing the development of mangrove forests during the Holocene climatic optimum (HCO), using p...
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Article
Mineral distributions in surface sediments of the western South Yellow Sea: implications for sediment provenance and transportation
The South Yellow Sea (SYS) is strongly influenced by the substantial sediment loads of the Huanghe (Yellow) (including the modern Huanghe and abandoned old Huanghe subaqueous delta) and Changjiang (Yangtze) Ri...
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Article
HPLC pigment profiles of 31 harmful algal bloom species isolated from the coastal sea areas of China
Chemotaxonomy based on diagnostic pigments is now a routine tool for macroscopic determination of the composition and abundance of phytoplankton in various aquatic environments. Since the taxonomic capability ...
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Article
Optimization of ultrasonic extraction and clean-up protocol for the determination of polycyclic aromatic hydrocarbons in marine sediments by high-performance liquid chromatography coupled with fluorescence detection
The procedures of ultrasonic extraction and clean-up were optimized for the determination of polycyclic aromatic hydrocarbons (PAHs) in marine sediments. Samples were ultrasonically extracted, and the extracts...
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Article
Optimization of sample pretreatment for determination of polycyclic aromatic hydrocarbons in estuarine sediments by gas chromatography
This study examined levels of polycyclic aromatic hydrocarbons (PAHs) in estuarine sediments in Licun (Qingdao, China) by gas chromatography under optimized conditions for sample pretreatment via ultrasonic ex...
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Article
Effects of carboxymethyl-chitosan on wound healing in vivo and in vitro
Effects of carboxymethyl-chitosan with different molecular weights on wound healing were investigated in vivo and in vitro. A second degree burn model was performed in rats and the accelerative effects of carboxy...
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Article
Optimum production and characterization of an acid protease from marine yeast Metschnikowia reukaufii W6b
The marine yeast strain W6b isolated from sediment of the South China Sea was found to produce a cell-bound acid protease. The crude acid protease produced by this marine yeast showed the highest activity at p...
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Article
Distribution of the nonlinear random ocean wave period
Because of the intrinsic difficulty in determining distributions for wave periods, previous studies on wave period distribution models have not taken nonlinearity into account and have not performed well in te...
