29 hasil untuk "Li-jun Li"
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Artikel Jurnal
Temperature sensing based on slow light via stimulated Brillouin scattering in M-shaped few-mode fiber.
This study investigates temperature sensing based on slow light generation via stimulated Brillouin scattering in an M-shaped few-mode fiber. The temperature-dependent properties of four optical modes (LP01, LP11, LP21, and LP02) over a range from -20 °C to 80 °C are analyzed using the…
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Artikel Jurnal
Cobalt and Nickel Complexes Bearing 2,6-Bis(imino)phenoxy Ligands:Synthesis and Ethylene Oligomerization Study
A series of new cobalt and nickel complexes MLX2 (M = Co or Ni, X = Cl) bearing 2,6-bis(imino)phenoxy ligands have been synthesized. Treatment of the complexes with methylaluminoxane (MAO) leads to active catalysts for ethylene oligomerization. The oligomers are olefins from C4 to C6.
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Cobalt and Nickel Complexes Bearing 2-(2-pyridyl)-Benzimidazole: Synthesis and Ethylene Oligomerization
A series of cobalt and nickel complexes MLX2 (M=Co or Ni, X=Cl) bearing 2-(2-pyridyl)benzimidazole ligands were synthesized. Treatment of the complexes with methylaluminoxane (MAO) leads to active catalysts for ethylene oligomerization. The oligomers were olefins from C2 to C6.
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Artikel Jurnal Teks lengkap
Study on plume evolution and influencing factors of reservoir and caprock integrity in CO2 deep saline aquifer storage: A case study of Shenhua CCS project
The plume evolution in long-term CO2 storage can cause changes in formation pore pressure, which may lead to caprock integrity failure in severe cases, posing leakage risks. Current studies on CO2 plume evolution and reservoir/caprock integrity mostly rely on single engineering and geological…
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Artikel Jurnal
Correlation between blood lactate level and cardiac function in patients with type 2 diabetes mellitus
"Objective To detect the blood lactate levels in patients with type 2 diabetes mellitus (T2DM) and analyze its correlation with various cardiac function indexes. Methods A cross-sectional study was conducted on 188 T2DM patients treated in the Department of Endocrinology, The Second Affiliated…
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Correlation between GA/HbA1c ratio and NAFLD complications in patients with type 2 diabetes mellitus
Objective To study the relationship between glycated albumin (GA), glycated hemoglobin (HbA1c), GA/HbA1c ratio and NAFLD in patients with type 2 diabetes and non-alcoholic fatty liver. Methods A total of 502 patients with type 2 diabetes hospitalized from February to December 2017 were divided into…
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Similarity-based metric analysis approach for predicting osteogenic differentiation correlation coefficients and discovering the novel osteogenic-related gene FOXA1 in BMSCs
Background As a powerful tool, bioinformatics analysis is playing an increasingly important role in many fields. Osteogenic differentiation is a complex biological process involving the fine regulation of numerous genes and signaling pathways. Method Osteogenic differentiation-related genes are…
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Artikel Jurnal
Ultrasound Promoted Synthesis of 3-Carboxycoumarins in Aqueous Media
An efficient and green procedure has been developed for synthesis of 3-carboxycoumarins, the reaction can be carried out in water under ultrasound irradiation, avoiding addition of catalyst
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Innovation examples of electrocardiograph teaching mode in the time of big data
The development of a platform of clinical electrocardiograph(ECG) big data and diversified internet teaching resources brings opportunities to explore the innovation of ECG teaching mode supported by big data. By analyzing current problems of traditional ECG teaching, this article puts forward…
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Artikel Jurnal
Effect of different types of palm oil on nutrient utilization， feces and mental state of teddy dogs
The experiment studied the effect of different types of palm oil on nutrient utilization, feces and mental state of teddy dogs. Forty-eight 2~3 months old teddy dogs of the same breed were selected and randomly divided into three groups with 16 replicates in each group, half in male and female…
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Artikel Jurnal Teks lengkap
Effects of Water-in-Oil Slow-Release Coagulants Based on Fermented Soybean Whey on Gel Properties of Whole Soybean Flour
In this study, ultrafine-pulverized whole soybean flour was reconstituted in boiling water and treated by dynamic high pressure microfluidization after cooling down to ambient temperature. Four fermented soybean wheys were prepared by fermentation with Lactobacillus bulgaricus or Streptococcus…
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Artikel Jurnal
Derivation and validation of soil total and extractable cadmium criteria for safe vegetable production
Determining the appropriate soil cadmium (Cd) criteria for vegetable production is important for ensuring that the Cd concentrations of the vegetables meet food safety standards. The soil extractable Cd criteria for vegetable production are also essential for both food safety and environmental…
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Artikel Jurnal
Effectiveness of Different Telerehabilitation Strategies on Pain and Physical Function in Patients With Knee Osteoarthritis: Systematic Review and Meta-Analysis
BackgroundKnee osteoarthritis (OA) is a chronic, degenerative bone and joint disease. It can lead to major pressure to the quality of life and mental health of patients, and also brings a serious economic burden to society. However, it is difficult for patients with knee OA to access rehabilitation…
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Artikel Jurnal
Safety and efficacy of prone position ventilation in patients with severe pneumonia in neurosurgical intensive care units
Objective To investigate the effectiveness and safety of prone position ventilation in treating critically illpatients with neurosurgical ⁃ related diseases complicated by severe pneumonia，and to provide reference for thetreatment of severe pneumonia. Methods A retrospective analysis was conducted…
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Artikel Jurnal
Is anterior cervical discectomy and fusion superior to corpectomy and fusion for treatment of multilevel cervical spondylotic myelopathy? A systemic review and meta-analysis.
ObjectiveBoth anterior cervical discectomy with fusion (ACDF) and anterior cervical corpectomy with fusion (ACCF) are used to treat cervical spondylotic myelopathy (CSM), however, there is considerable controversy as to whether ACDF or ACCF is the optimal treatment for this condition. To compare…
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Characterization of the Aroma of an Instant White Tea Dried by Freeze Drying
The aroma of an instant white tea (IWT) was extracted through simultaneous distillation–extraction (SDE) and analyzed by sensory evaluation, gas chromatography-mass spectrometry-olfactometry (GC-MS-O), aroma reconstruction, omission test and synergistic interaction analysis. Sensory evaluation…
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Solvent-free Synthesis of Nitriles from Aldehydes Catalyzed by KF/Al2O3, Montmorillonite KSF and K10
Multistep and one-pot conversion of aldehydes to nitriles were carried out conveniently with out solvent using KF/Al2O3, montmorillonite KSF and K10 as catalyst, under microwave irradiation. The reactions are completed within 6-8 min to give satisfactory yields. KF/Al2O3 was more effective catalyst…
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Artikel Jurnal Teks lengkap
Application of GIS-based Information Service Platform for Family Doctors
Background With the development of society and the aging of the population, the demand for community medical services is increasing. As an important part of community medical service, the informationization level and information service ability of family doctors are of great significance to improve…
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Artikel Jurnal
Exploring the Causal Relationship Between the Plasma Levels of MMP1 (Matrix Metalloproteinase‐1), MMP3, MMP7, MMP10, and MMP12 and Intervertebral Disc Degeneration: Mendelian Randomization
ABSTRACT Background Several matrix metalloproteinases (MMPs) have been reported to be associated with intervertebral disc degeneration (IDD) in several previous studies. However, the causal relationship between MMPs and IDD remains unclear. In this study, Mendelian randomization (MR) was used to…
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Artikel Jurnal
Natural Variation of Leaf Thickness and Its Association to Yield Traits in indica Rice
Leaf thickness is an important morphological trait in rice. Its association to the yield potential, as of now has not been documented because of the shortage of the equipment which could conveniently measure the leaf thickness in rice. In this study, the thickness of top three leaves of 208…