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11 results on '"Li-Hai Tang"'

1. Thermodynamic and Magnetic Topology Evolution of the X1.0 Flare on 2021 October 28 Simulated by a Data-driven Radiative Magnetohydrodynamic Model

Author

Guo, Jin-han, Ni, Yi-wei, Zhong, Ze, Guo, Yang, Xia, Chun, Li, Hai-tang, Poedts, Stefaan, Schmieder, Brigitte, and Chen, Peng-fei

Subjects
Astrophysics - Solar and Stellar Astrophysics
Abstract

Solar filament eruptions, flares and coronal mass ejections (CMEs) are manifestations of drastic release of energy in the magnetic field, which are related to many eruptive phenomena from the Earth magnetosphere to black hole accretion disks. With the availability of high-resolution magnetograms on the solar surface, observational data-based modelling is a promising way to quantitatively study the underlying physical mechanisms behind observations. By incorporating thermal conduction and radiation losses in the energy equation, we develop a new data-driven radiative magnetohydrodynamic (MHD) model, which has the capability to capture the thermodynamic evolution compared to our previous zero-\b{eta} model. Our numerical results reproduce major observational characteristics of the X1.0 flare on 2021 October 28 in NOAA active region (AR) 12887, including the morphology of the eruption, kinematic of flare ribbons, extreme-ultraviolet (EUV) radiations, and two components of the EUV waves predicted by the magnetic stretching model, i.e., a fast-mode shock wave and a slower apparent wave due to successive stretching of magnetic field lines. Moreover, some intriguing phenomena are revealed in the simulation. We find that flare ribbons separate initially and ultimately stop at the outer stationary quasi-separatrix layers (QSLs). Such outer QSLs correspond to the border of the filament channel and determine the final positions of flare ribbons, which can be used to predict the size and the lifetime of a flare before it occurs. In addition, the side view of the synthesized EUV and white-light images exhibit typical three-part structures of CMEs, where the bright leading front is roughly cospatial with the non-wave component of the EUV wave, reinforcing the magnetic stretching model for the slow component of EUV waves., Comment: 46 pages, 15 figures, accepted for publication in The Astrophysical Journal Supplement

Published
2023
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3. Perimenopause Amelioration of a TCM Recipe Composed of Radix Astragali, Radix Angelicae Sinensis, and Folium Epimedii: AnIn VivoStudy on Natural Aging Rat Model

Author

Li-Hai Tang, Ping Lai, Wei-Jin Liu, Xiao-Ping Lai, Kun-Yin Li, Karl Wah Keung Tsim, Tina T. X. Dong, Qingfeng Xie, Dan-Dan Liu, Zi-Ren Su, and Ji-Yan Su

Subjects
medicine.medical_specialty, Article Subject, Traditional medicine, medicine.drug_class, business.industry, Uterus, Ovary, lcsh:Other systems of medicine, Traditional Chinese medicine, lcsh:RZ201-999, medicine.disease, Menopause, Follicle-stimulating hormone, medicine.anatomical_structure, Endocrinology, Complementary and alternative medicine, Dopamine, Estrogen, Internal medicine, medicine, Radix, business, Research Article, medicine.drug
Abstract

Traditional Chinese medicine (TCM) has been extensively applied as preferable herbal remedy for menopausal symptoms. In the present work, the potential of a TCM recipe named RRF, composed of Radix Astragali, Radix Angelicae Sinensis, and Folium Epimedii, was investigated on a natural aging rat model. After administration of RRF (141, 282, and 564 mg/kg/d), the circulated estradiol (E2) level increased accompanied by a reduction of serum follicle stimulating hormone (FSH). But no significant impact on serum lutenizing hormone (LH) level was observed. As a result of the E2-FSH-LH adjustment, the histomorphology degenerations of ovary, uterus, and vagina of the 11.5-month female rats were alleviated. And lumbar vertebrae trabecular microstructure was also restored under RRF exposure by means of increasing the trabecular area and area rate. Moreover, levels of hypothalamic dopamine (DA) and norepinephrine (NE) rallied significantly after RRF treatment. Results from our studies suggest that RRF possesses a positive regulation on the estrogen imbalance and neurotransmitter disorder, thereby restoring reproductive organ degeneration and skeleton deterioration. The above-mentioned benefits of RRF on the menopause syndromes recommend RRF as a potential candidate for the treatment of perimenopausal syndrome.

Published
2013

4. Treatment of 52 cases of rheumatoid arthritis in the active stage by acupuncture

Author

Xiang Shi-yu, Liu Jian-min, and Li Hai-tang

Subjects
medicine.medical_specialty, business.industry, Therapeutic effect, Active stage, Arthritis, medicine.disease, Complementary and alternative medicine, Internal medicine, Rheumatoid arthritis, Humoral immunity, Immunology, Acupuncture, medicine, business, Western medicine
Abstract

Fifty-two patients exactly diagnosed as rheumatoid arthritis in the active stage in clinic were treated by acupuncture plus western medicine. Thirty days made up a course of treatment. There were significant differences in clinical symptoms, signs, and immunological indexes between pretreatment and posttreatment (P

Published
2006

5. [Study on the antitussive and antiasthmatic effects of Radix Fici Hirtae]

Author

Tian-Nong, Zhou, Li-Hai, Tang, Shi-Chong, Huang, Dan-Dan, Lu, Yan, Wang, Liang-Feng, Liu, Ping, Lai, and Mu-Rong, Ye

Subjects
Male, Guinea Pigs, Muscle, Smooth, Astragalus propinquus, Moraceae, Plant Roots, Acetylcholine, Asthma, Citric Acid, Trachea, Antitussive Agents, Mice, Random Allocation, Cough, Animals, Female, Anaphylaxis, Drugs, Chinese Herbal, Expectorants, Histamine, Muscle Contraction, Phytotherapy
Abstract

To observe the antitussive and antiasthmatic effects of Radix Fici Hirtae (RFH).Antitussive effects were observed by ammonia water steaming test in mice and by citric acid test in guinea pigs. Antiasthmatic actions in guinea pigs were observed by histamine and acetylcholine ultrasonic atomization test, involved isolated guinea pig tracheal smoth muscle experiment and anaphylactic shock of guinea pigs.RFH decreased the frequency of cough induced by ammonia in mice and by citric acid in guinea pig, prolonged the latent period of cough and inhibited the experimental asthma by histamine and acetylcholine solution in conscious guinea pigs, antagonisted the contraction of tracheal smooth muscle by histamine phosphate in guinea pigs and could compete anaphylactic shock in guinea pigs.RFH has obvious antitussive and antiasthmatic effects.

Published
2009

10. Perimenopause Amelioration of a TCM Recipe Composed of Radix Astragali, Radix Angelicae Sinensis, and Folium Epimedii: An In Vivo Study on Natural Aging Rat Model.

Author

Ji-Yan Su, Qing-Feng Xie, Wei-Jin Liu, Ping Lai, Dan-Dan Liu, Li-Hai Tang, Tina T. X. Dong, Zi-Ren Su, Karl W. K. Tsim, Xiao-Ping Lai, and Kun-Yin Li

Subjects
ANIMAL experimentation, BIOPHYSICS, RESEARCH methodology, RATS, RESEARCH funding
Abstract

Traditional Chinese medicine (TCM) has been extensively applied as preferable herbal remedy for menopausal symptoms. In the present work, the potential of a TCM recipe named RRF, composed of Radix Astragali, Radix Angelicae Sinensis, and Folium Epimedii, was investigated on a natural aging rat model. After administration of RRF (141, 282, and 564mg/kg/d), the circulated estradiol (E2) level increased accompanied by a reduction of serum follicle stimulating hormone (FSH). But no significant impact on serum lutenizing hormone (LH) level was observed. As a result of the E2-FSH-LH adjustment, the histomorphology degenerations of ovary, uterus, and vagina of the 11.5-month female rats were alleviated. And lumbar vertebrae trabecular microstructure was also restored under RRF exposure by means of increasing the trabecular area and area rate. Moreover, levels of hypothalamic dopamine (DA) and norepinephrine (NE) rallied significantly after RRF treatment. Results from our studies suggest that RRF possesses a positive regulation on the estrogen imbalance and neurotransmitter disorder, there by restoring reproductive organ degeneration and skeleton deterioration. The above-mentioned benefits of RRF on the menopause syndromes recommend RRF as a potential candidate for the treatment of perimenopausal syndrome. [ABSTRACT FROM AUTHOR]

Published
2013
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11. [Observation on therapeutic effect of round-sharp needle of new nine-needle and elongated needle for piriformis syndrome with triple puncture method].

Author

Liu JM, Tian WH, Tian JG, Li HT, Qi FJ, Fan Y, and Chen S

Subjects
Adolescent, Adult, Female, Humans, Male, Middle Aged, Needles, Treatment Outcome, Young Adult, Acupuncture Therapy instrumentation, Piriformis Muscle Syndrome therapy, Punctures methods
Abstract

Objective: To compare the efficacy differences between round-sharp needle of new nine-needle and elongated needle for piriformis syndrome, and explore its action mechanism., Methods: Eighty cases were randomly divided into a round-sharp needle of new nine-needle group (round-sharp needle group) and an elongated needle treatment group (elongated needle group), 40 cases in each group. The round-sharp needle group was treated with round-sharp needle (0.60 mm x 125 mm) at three points in piriformis with triple puncture method, while the elongated needle group was treated with elongated needle of ordinary specifications (0.32 mm x 125 mm) at three points in piriformis with triple puncture method. Besides, the two groups were also treated with routine acupuncture at Weizhong (BL 40) and Yanglingquan (GB 34), 3 times every week, 2 weeks as one course of treatment. After one course of treatment, the clinical effect was evaluated and the pain threshold values were measured before and after treatment in the two groups., Results: The total effective rate in the round-sharp needle group was 92.5% (37/40), which was superior to 77.5% (31/40) in the elongated needle group (P < 0.05). Compared before treatment, the pain threshold values after treatment in two groups were improved significantly (both P < 0.01). The increment of pain threshold value in the round-sharp needle group was higher than that in the elongated needle group (P < 0.01)., Conclusion: Round-sharp needle of new nine-needle is effective in treatment of piriformis syndrome and is better than ordinary elongated needle, which is related to that it can effectively increase pain threshold value of the local tissue.

Published
2013

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