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我国经济周期波动性与阶段性之间关联的非对称性检验——Plucking模型对中国经济的实证研究 被引量:45
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作者 刘金全 刘志刚 于冬 《统计研究》 CSSCI 北大核心 2005年第8期38-43,共6页
In this paper we used the Plucking model to test the asymmetric patterns in China’s business cycle. We find the evidences that there is a significant plucking effect in output growth. The negative shock to output is ... In this paper we used the Plucking model to test the asymmetric patterns in China’s business cycle. We find the evidences that there is a significant plucking effect in output growth. The negative shock to output is not able to influence the growth trend in long run. The growth could return to its trend more quickly after the economy recoveries from the contracting phase in business cycle. These empirical findings suggest that the macroeconomic control has play the roles of stabilizing economy, and the abilities of keeping rapid and stable growth have been enforced. 展开更多
关键词 经济周期 区制转移 状态空间模型 中国 plucking模型 经济波动 经济发展
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Developing Situations of Tea Plucking Machine 被引量:10
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作者 Yu Han Hongru Xiao +3 位作者 Guangming Qin Zhiyu Song Wenqin Ding Song Mei 《Engineering(科研)》 2014年第6期268-273,共6页
To acquire the developing trend and ways of mechanization of tea plucking, with analyzing the developing backgrounds and situations of tea plucking machine both at home and abroad, this paper obtains the conclusion th... To acquire the developing trend and ways of mechanization of tea plucking, with analyzing the developing backgrounds and situations of tea plucking machine both at home and abroad, this paper obtains the conclusion that there are several countries that have conducted a lot of studies on tea plucking machine, such as Japan, England, France, India, Australia and Argentina. Among others, Japan goes ahead, where lots of researches have been conducted in the highest developing level. The article also analyses the reason why China has a poor mechanization of tea plucking and points out existing problems. Finally, some advices and measures for developing Chinese domestic mechanization of tea plucking are given. 展开更多
关键词 TEA plucking MACHINE DEVELOPMENT New TECHNIQUES SUGGESTION
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Acupuncture Combined with Plucking Muscle Method for Treatment of 48 Cases of Acute Lumbar Sprain
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作者 Yang Tonghua Hu Changhai Qi Ruihong(Central Hospital of Mudanjiang Administrative Bureau of Forest,Helongjiang Province) 《中国针灸》 CAS CSCD 北大核心 1995年第S2期291-292,共2页
AcupunctureCombinedwithPluckingMuscleMethodforTreatmentof48CasesofAcuteLumbarSprain¥YangTonghua;HuChanghai;Q... AcupunctureCombinedwithPluckingMuscleMethodforTreatmentof48CasesofAcuteLumbarSprain¥YangTonghua;HuChanghai;QiRuihong(CentralH... 展开更多
关键词 ACUPUNCTURE ACUTE Cases Combined LUMBAR Method MUSCLE plucking SPRAIN Treatment
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Clinical efficacy of HEGU needling method combined with tendon-stretching and plucking massage on trigger point in the treatment of acute thoracodorsal myofascitis
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作者 Guang-Bao Lu Rong-Jun Mei +3 位作者 Wen-Qiang Shi Hai-Zhou Liu Jing-Wen Huang Xue-Bo Li 《Journal of Hainan Medical University》 2019年第5期49-52,共4页
Objective:To observe the effect of Hegu neediling method combined with tendon-stretching and plucking massage on trigger point in the treatment of acute thoracodorsal myofascitis. Methods: A total of 84 patients with ... Objective:To observe the effect of Hegu neediling method combined with tendon-stretching and plucking massage on trigger point in the treatment of acute thoracodorsal myofascitis. Methods: A total of 84 patients with acute thoracodorsal myofascitis who met the diagnostic and inclusion criteria were assigned into the treatment group and the control group randomly, the treatment group was treated with Hegu neediling method combined with tendon-stretching and plucking massage, while the control group was treated with conventional electroacupuncture. Two groups of patients were treated for two weeks. VAS score and ODI were compared before treatment, after the first treatment and after the treatment course, and the clinical efficacy was evaluated after treatment.Results: The total effective rates of the treatment group and the control group were 97.62% and 80.95%, respectively. The treatment group was significantly better than the control group. The VAS and ODI scores of the treatment group decreased after the first treatment and the end of the treatment, and the treatment group was significantly better than the control group.Conclusion:Hegu neediling method combined with tendon-stretching and plucking massage can relieve pain and improve limb dysfunction in patients with acute thoracodorsal myofascitis. 展开更多
关键词 Hegu neediling method Tendon-stretching and plucking MASSAGE ACUTE thoracodorsal MYOFASCITIS Clinical efficacy
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Business Cycle Asymmetry in China:Evidence from Friedman's Plucking Model 被引量:4
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作者 Tingguo Zheng Yujuan Teng Tao Song 《China & World Economy》 SCIE 2010年第4期103-120,共18页
Friedman's plucking model of business fluctuations suggests that output cannot exceed an upper limit, but it is occasionally "plucked" downward below trends as a result of economic recessions. This paper investigat... Friedman's plucking model of business fluctuations suggests that output cannot exceed an upper limit, but it is occasionally "plucked" downward below trends as a result of economic recessions. This paper investigates China's business fluetuations using quarterly real GDP data for the period 1978 2009. Our results show some evidence supporting Friedman's plucking model. We find that a ceiling effect of real output exists, and that negative asymmetric shocks significantly affect the transitory component, which captures the plucking downward behavior during the recession. The results also suggest that the basic asymmetric unobserved component model is not appropriate for directly modeling China's real output because the business" cycle is inaccurately measured, but it works quite well when considering a structural break in the second quarter of 1992. The results reveal that although China's economy strengthened in the second quarter of 2009, it is essential for China's government to take further positive and effective measures to maintain sustainable development of the economy. 展开更多
关键词 asymmetry business cycle plucking model REGIME-SWITCHING structural break
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Comprehensive evaluation of Korla fragrant pears and optimization of plucking time during the harvest period 被引量:1
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作者 Zhentao Wang Yurong Tang +4 位作者 Xiaozhen Jin Yang Liu Hong Zhang Hao Niu Haipeng Lan 《International Journal of Agricultural and Biological Engineering》 SCIE CAS 2022年第3期242-250,共9页
To optimize the harvest of Korla fragrant pears and to provide a theoretical basis for post-harvest processing,a total of 26 basic indices of Korla fragrant pears,including their morphology,quality,and softening age,w... To optimize the harvest of Korla fragrant pears and to provide a theoretical basis for post-harvest processing,a total of 26 basic indices of Korla fragrant pears,including their morphology,quality,and softening age,were investigated.The harvest period ranged from August 22nd to October 6th,samples were collected every 5 d(totally 10 plucking days,indicated as H1-H10).The results indicated that changes in pectin content were the main causes of softening in fragrant pears.The scavenging of free radicals mainly occurred because of the collaborative effects of superoxide dismutase(SOD)and catalase(CAT).In the harvest periods H1-H3,the hardness,titratable acid(TA),chlorophyll content,density,and diameter of the stone cells,as well as the cellulose and hemicellulose content of the Korla fragrant pears were at their highest.During the periods H7-H10,the single-fruit weight,fruit horizontal and vertical diameter,color coordinates L,a*,b*,soluble-solids content(SSC),SOD activity,CAT activity,and water-soluble pectin were higher than in the other plucking periods.The highest vitamin C(VC)content and moderate values for a variety of indicators were observed during H3-H7.Variations in the Korla fragrant pears during H1-H3 mainly manifested through changes in softening-related parameters.During H3-H10,changes in the softening-related,aging-related,color-related,and quality indices had a dominant role.On this basis,some suggestions for the post-harvest processing of fragrant pears have been proposed.Fruit,during H1-H3,are suitable for transportation and storage;during H7-H10 are suitable for fresh-eating and further processing;and during H3-H7,exhibited moderate values for a variety of indicators and had the highest commercial value.This research provides a systematic evaluation of the characteristics of mature Korla fragrant pears during the harvest period and can form the basis for fruit quality control and processing of Korla fragrant pears. 展开更多
关键词 Korla fragrant pear harvest period plucking time QUALITY fruit maturity evaluation OPTIMIZATION
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Effect of Varieties on Tea Pigment and Chromatic Aberration of Black Tea Infusion 被引量:5
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作者 刘千录 江用文 +4 位作者 江和源 张建勇 滑金杰 徐斌 薛金金 《Agricultural Science & Technology》 CAS 2014年第10期1654-1659,共6页
Effects of varieties on the content of tea pigment, L*, a* and b* value of chromatic aberration of black tea infusion was studied. The correlation relationship between content of TF, TR, TB and L*, a*, b* value ... Effects of varieties on the content of tea pigment, L*, a* and b* value of chromatic aberration of black tea infusion was studied. The correlation relationship between content of TF, TR, TB and L*, a*, b* value was extremely significant at P&lt;0.05. Fresh tea leaves with plucking standard of 1 bud and 2 leaves could man-ufacture black tea with higher content of tea pigment, higher a* and b* value but lower L* value, than those of plucking standard of 1 bud and 3 leaves. But the discrepancy of certain parameter of the two plucking standards changed with vari-eties. Varieties’ quality potential could be concealed by improper plucking standards. Six varieties were divided into four groups on the basis of gross tea polyphenols in fresh tea leaves (GTP), consumption of tea polyphenols to gross tea polyphenols ratio (CTP/GTP) and gross tea pigment to consumption of tea polyphenols ratio (GP/CTP). Hybrid performed the very suitability of black tea manufacturing. To en-sure high quality of made black tea, suitable variety should be chosen and reason-able plucking standard also should be taken into consideration. 展开更多
关键词 VARIETIES plucking Standard Tea Pigment Chromatic Aberration Correlation Analysis ANOVA Analysis
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Case of stenosing tenosynovitis of the thumb in children 被引量:1
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作者 Ya-zheng PANG Kai WANG +1 位作者 Meng-sen ZHANG Juan YU 《World Journal of Acupuncture-Moxibustion》 CSCD 2021年第3期233-235,共3页
A female patient,13 months old,suffering from limited extension of the right thumb for 7 days,diagnosed as stenosing tenosynovitis of the thumb in children.Tuina(Chinese massage) therapy was adopted,in which,stimulati... A female patient,13 months old,suffering from limited extension of the right thumb for 7 days,diagnosed as stenosing tenosynovitis of the thumb in children.Tuina(Chinese massage) therapy was adopted,in which,stimulation was applied with fingers instead of needles,including pressing and kneading,twisting and kneading,plucking,dorsal extending,rotating as well as pushing and rubbing manipulations.The whole procedure of manipulation lasted around 15 min,once every two days,3 times weekly.Meanwhile,the parents were advised to bath the child patient's right hand into warm water every day and fix the affected thumb with splint at night.After 12 treatments with tuina therapy,the flexion and extension function of the affected thumb were returned to normal and the thumb motor function was recovered.In 2 months of follow-up,the thumb motor function was normal and the stenosing tenosynovitis was not recurred.In this case,tuina therapy is adopted in treatment of stenosing tenosynovitis of the thumb in children.As an alternative method of surgery,tuina therapy has a satisfactory clinical effect. 展开更多
关键词 Stenosing tenosynovitis of the thumb Pediatric tuina TUINA Massage Pressing and kneading Twisting and kneading plucking
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