In November 26 and 27,more than 30 winners of the Panda Cup Foreign Student Essay Contest traveled to Qingtian County,Lishui City,which is located in the mountainous region of southern Zhejiang Province.During the tri...In November 26 and 27,more than 30 winners of the Panda Cup Foreign Student Essay Contest traveled to Qingtian County,Lishui City,which is located in the mountainous region of southern Zhejiang Province.During the trip,young students from more than 20 countries experienced the cultural charm of Qingtian,acquired a better understanding of the ecological system of rice-fish symbiosis,and gained greater appreciation for the economic and trade development prospects of the county,a well-known ancestral home of overseas Chinese.展开更多
《英语知识》1999年第6期“问与答”栏目中刊登了“work away中的away是什么意思?”一文。该文简要总结了away表示“不停地,继续不断地”之意时的用法,读后很受启发,但觉得意犹未尽。除了该文中所举的例子之外,能和away这个词搭配表示...《英语知识》1999年第6期“问与答”栏目中刊登了“work away中的away是什么意思?”一文。该文简要总结了away表示“不停地,继续不断地”之意时的用法,读后很受启发,但觉得意犹未尽。除了该文中所举的例子之外,能和away这个词搭配表示“不停地,继续不断地”之意的动词还很多。以下是笔者收集的一些词组和例句,作为对away这一用法的补充。 1.blaze away连续射击,不断燃烧 They blazed away at the enemy.展开更多
Underground pressure is abnormal during mining of shallow coal seams under gullies. We studied gully slope movements, subject to underground mining, with physical simulation and theoretical analysis. The rules disclos...Underground pressure is abnormal during mining of shallow coal seams under gullies. We studied gully slope movements, subject to underground mining, with physical simulation and theoretical analysis. The rules disclose that the slope rock slides horizontally in response to mining in the direction of gullies and rotates reversely with the appearance of a polygon block in mining away from gullies. We focused our attention on the case of mining away from a gully. We built a mechanical model in terms of a polygon block hinged structure and investigated the variation of horizontal thrust and shear force at the hinged point in relation to the rotation angle under different fragmentations. The Sliding-Rotation instability conditions of the polygon block hinged structure are presented based on the analyses of sliding instability and rotation instability. These results can serve as a theoretical guide for roof control during mining away from gullies in a coalfield defined by gullies.展开更多
The fundamental momentum conservation requirement q - 0 for the Raman process is relaxed in the nanocrystal- lites （NCs）, and phonons away from the Brillouin-zone center will be involved in the Raman scattering, whi...The fundamental momentum conservation requirement q - 0 for the Raman process is relaxed in the nanocrystal- lites （NCs）, and phonons away from the Brillouin-zone center will be involved in the Raman scattering, which is well-known as the phonon confinement effect in NCs. This usually gives a downshift and asymmetric broadening of the Raman peak in various NCs. Recently, the A1 mode of 1L MoS2 NCs is found to exhibit a blue shift and asymmetric broadening toward the high-frequency side [Chem. Soc. Rev. 44 （2015） 2757 and Phys. Rev. B 91 （2015） 195411]. In this work, we carefully check this issue by studying Raman spectra of lL MoS2 NCs prepared by the ion implantation technique in a wide range of ion-implanted dosage. The same confinement coefficient is used for both E＇ and A＇1 modes in 1L MoS2 NCs since the phonon uncertainty in an NC is mainly determined by its domain size. The asymmetrical broadening near the A＇1 and E＇ modes is attributed to the appearance of defect-activated phonons at the zone edge and the intrinsic asymmetrical broadening of the two modes, where the anisotropy of phonon dispersion curves along Г-K and Г- M is also considered. The photoluminescence spectra confirm the formation of small domain size of 1L MoS2 nanocrystallites in the ion-implanted 1L MoS2. This study provides not only an approach to quickly probe phonon dispersion trends of 2D materials away from Г by the Raman scattering of the corresponding NCs, but also a reference to completely understand the confinement effect of different modes in various nanomaterials.展开更多
Dear editors,Amyotrophic lateral sclerosis（ALS）is a neurodegenerative disease.It affects motor neurons in the brain and spinal cord resulting in bulbar palsy and respiratory failure.It also causes weakness of limbs....Dear editors,Amyotrophic lateral sclerosis（ALS）is a neurodegenerative disease.It affects motor neurons in the brain and spinal cord resulting in bulbar palsy and respiratory failure.It also causes weakness of limbs.The disease usually progresses to fatal outcome within 2-4 years.Neural stem cell research for diagnosis and treatment of neurodegenerative disorders is highly promising.展开更多
This paper analyzes the features and trends of urbanization away from home in Anhui Province,and believes that the cross-city floating population in the province shows a expanding scale,and dual cores of the province ...This paper analyzes the features and trends of urbanization away from home in Anhui Province,and believes that the cross-city floating population in the province shows a expanding scale,and dual cores of the province has obvious attractiveness. This paper also analyzes the relations between urban-rural construction land and urban-rural population transformation in the province,and expounds the possibility and necessity of carrying out human-land linking policy northern Anhui-Wanjiang. Based on the factors affecting human-land linking policy,this paper recommends that we should establish cross-regional trading policy system for land development rights in Anhui Province from four key links( urban entry,urban integration,rural exit,common urban-rural development),in order to effectively promote migrant workers' citizenization.展开更多
Objective:To systemically review the efficacy and safety about the method of enriching qi,activating blood circulation,clearing away dampness and heat combined with western medicine in the therapy of patients with idi...Objective:To systemically review the efficacy and safety about the method of enriching qi,activating blood circulation,clearing away dampness and heat combined with western medicine in the therapy of patients with idiopathy membranous nephropathy(IMN).Methods:We collected the randomized controlled trials(RCTs)of enriching qi,activating blood circulation,clearing away dampness and heat for the treatment of IMN from Pub Med,The Cochrane Library,Medline,China National Knowledge Infrastructure(CNKI),China Biology Medicine disc(CBM),Wanfang Data and Wiper Databases.Bias of risk of retrieval literature was evaluated according to Cochrane Collaboration standard,and Review Manager 5.3 software was used for statistical analysis.Results:Fourteen trials(836 participants)were included in the meta-analysis.This kind of traditional Chinese method combined with western medicine in the treatment of IMN exerted statistical differences in reducing 24-hour urinary protein[WMD=-0.97,95%CI(-1.30,-0.65),Z=5.86(P<0.00001)]and elevating serum albumin[WMD=3.83,95%CI(2.10,5.57),Z=4.33,P<0.0001],lowering serum cholesterol[WMD=-0.82,95%CI(-1.08,-0.56),Z=6.18,P<0.00001],triglycerides[WMD=-0.39,95%CI(-0.67,-0.11),Z=2.77,P=0.006]and reducing the risk of adverse events[OR=0.29,95%CI[0.16,0.50],Z=4.35,P<0.0001]in the patients with IMN as compared with controls.However,there was no statistically significant difference between the method and controls when combining all trials in serum creatinine[WMD=-5.52,95%CI(-18.06,7.03),Z=0.86,P=0.39],when combining all trials in urea nitrogen[WMD=-0.90,95%CI(-2.22,0.41),Z=1.35,P=0.18].Conclusion:The method of enriching qi,activating blood circulation,clearing away dampness and heat combined with western medicine exerts certain advantages and better safety in treating patients with IMN.However,for the inferiority of the included studies,the conclusion still needs high-quality and large-sample prospective randomized controlled trials to verify.展开更多
The elderly population is growing rapidly in Taiwan. Eating is an important part for this group. The purpose of this study is to adapt the push and pull theory in order to investigate what would motivate the elderly t...The elderly population is growing rapidly in Taiwan. Eating is an important part for this group. The purpose of this study is to adapt the push and pull theory in order to investigate what would motivate the elderly to consume food away from home. Based on the results of a literature review and an expert panel, a valid questionnaire was developed. The participants in this study were aged above 55 who live in Taichung district. A total of 265 samples were collected. Statistical Package for the Social Sciences （SPSS） and Analysis of Moment Structures （AMOS） were used to analyze the data. The findings revealed that the data fit the model moderately well. Push and pull variables had a significant influence on intention and behavior. Recommendations like marketing strategies that can attract senior citizens and restaurateurs should focus on the key factors when seniors consume food away from home.展开更多
文摘In November 26 and 27,more than 30 winners of the Panda Cup Foreign Student Essay Contest traveled to Qingtian County,Lishui City,which is located in the mountainous region of southern Zhejiang Province.During the trip,young students from more than 20 countries experienced the cultural charm of Qingtian,acquired a better understanding of the ecological system of rice-fish symbiosis,and gained greater appreciation for the economic and trade development prospects of the county,a well-known ancestral home of overseas Chinese.
文摘《英语知识》1999年第6期“问与答”栏目中刊登了“work away中的away是什么意思?”一文。该文简要总结了away表示“不停地,继续不断地”之意时的用法,读后很受启发,但觉得意犹未尽。除了该文中所举的例子之外,能和away这个词搭配表示“不停地,继续不断地”之意的动词还很多。以下是笔者收集的一些词组和例句,作为对away这一用法的补充。 1.blaze away连续射击,不断燃烧 They blazed away at the enemy.
基金Financial support for this work, provided by the Research Fund of the Fundamental Research Funds for the Central Universities of China University of Mining & Technology (No. 2010ZDP02B02)the State Key Laboratory of Coal Resources and Mine Safety (No. SKLCRSM08X2)+1 种基金the Jiangsu "333" High Qualified Talents, the National Natural Science Foundation of China (Nos. 50904063 and 51004101)the Scientific Research Foundation of China University of Mining & Technology (Nos. 2008A003 and 2009A001)
文摘Underground pressure is abnormal during mining of shallow coal seams under gullies. We studied gully slope movements, subject to underground mining, with physical simulation and theoretical analysis. The rules disclose that the slope rock slides horizontally in response to mining in the direction of gullies and rotates reversely with the appearance of a polygon block in mining away from gullies. We focused our attention on the case of mining away from a gully. We built a mechanical model in terms of a polygon block hinged structure and investigated the variation of horizontal thrust and shear force at the hinged point in relation to the rotation angle under different fragmentations. The Sliding-Rotation instability conditions of the polygon block hinged structure are presented based on the analyses of sliding instability and rotation instability. These results can serve as a theoretical guide for roof control during mining away from gullies in a coalfield defined by gullies.
基金Supported by the National Natural Science Foundation of China under Grant Nos 11225421,11474277,11434010 and 11574305the National Young 1000 Talent Plan
文摘The fundamental momentum conservation requirement q - 0 for the Raman process is relaxed in the nanocrystal- lites （NCs）, and phonons away from the Brillouin-zone center will be involved in the Raman scattering, which is well-known as the phonon confinement effect in NCs. This usually gives a downshift and asymmetric broadening of the Raman peak in various NCs. Recently, the A1 mode of 1L MoS2 NCs is found to exhibit a blue shift and asymmetric broadening toward the high-frequency side [Chem. Soc. Rev. 44 （2015） 2757 and Phys. Rev. B 91 （2015） 195411]. In this work, we carefully check this issue by studying Raman spectra of lL MoS2 NCs prepared by the ion implantation technique in a wide range of ion-implanted dosage. The same confinement coefficient is used for both E＇ and A＇1 modes in 1L MoS2 NCs since the phonon uncertainty in an NC is mainly determined by its domain size. The asymmetrical broadening near the A＇1 and E＇ modes is attributed to the appearance of defect-activated phonons at the zone edge and the intrinsic asymmetrical broadening of the two modes, where the anisotropy of phonon dispersion curves along Г-K and Г- M is also considered. The photoluminescence spectra confirm the formation of small domain size of 1L MoS2 nanocrystallites in the ion-implanted 1L MoS2. This study provides not only an approach to quickly probe phonon dispersion trends of 2D materials away from Г by the Raman scattering of the corresponding NCs, but also a reference to completely understand the confinement effect of different modes in various nanomaterials.
文摘Dear editors,Amyotrophic lateral sclerosis（ALS）is a neurodegenerative disease.It affects motor neurons in the brain and spinal cord resulting in bulbar palsy and respiratory failure.It also causes weakness of limbs.The disease usually progresses to fatal outcome within 2-4 years.Neural stem cell research for diagnosis and treatment of neurodegenerative disorders is highly promising.
基金Supported by Anhui Provincial Land and Resources Soft Science Research Program(2015801)
文摘This paper analyzes the features and trends of urbanization away from home in Anhui Province,and believes that the cross-city floating population in the province shows a expanding scale,and dual cores of the province has obvious attractiveness. This paper also analyzes the relations between urban-rural construction land and urban-rural population transformation in the province,and expounds the possibility and necessity of carrying out human-land linking policy northern Anhui-Wanjiang. Based on the factors affecting human-land linking policy,this paper recommends that we should establish cross-regional trading policy system for land development rights in Anhui Province from four key links( urban entry,urban integration,rural exit,common urban-rural development),in order to effectively promote migrant workers' citizenization.
基金Scientific Research Special Project of Capital Health Development in 2018(No.First issues 2018-1-4192)TCM Science and Technology Development Fund of Beijing in 2020(No.JJ-2020-42)。
文摘Objective:To systemically review the efficacy and safety about the method of enriching qi,activating blood circulation,clearing away dampness and heat combined with western medicine in the therapy of patients with idiopathy membranous nephropathy(IMN).Methods:We collected the randomized controlled trials(RCTs)of enriching qi,activating blood circulation,clearing away dampness and heat for the treatment of IMN from Pub Med,The Cochrane Library,Medline,China National Knowledge Infrastructure(CNKI),China Biology Medicine disc(CBM),Wanfang Data and Wiper Databases.Bias of risk of retrieval literature was evaluated according to Cochrane Collaboration standard,and Review Manager 5.3 software was used for statistical analysis.Results:Fourteen trials(836 participants)were included in the meta-analysis.This kind of traditional Chinese method combined with western medicine in the treatment of IMN exerted statistical differences in reducing 24-hour urinary protein[WMD=-0.97,95%CI(-1.30,-0.65),Z=5.86(P<0.00001)]and elevating serum albumin[WMD=3.83,95%CI(2.10,5.57),Z=4.33,P<0.0001],lowering serum cholesterol[WMD=-0.82,95%CI(-1.08,-0.56),Z=6.18,P<0.00001],triglycerides[WMD=-0.39,95%CI(-0.67,-0.11),Z=2.77,P=0.006]and reducing the risk of adverse events[OR=0.29,95%CI[0.16,0.50],Z=4.35,P<0.0001]in the patients with IMN as compared with controls.However,there was no statistically significant difference between the method and controls when combining all trials in serum creatinine[WMD=-5.52,95%CI(-18.06,7.03),Z=0.86,P=0.39],when combining all trials in urea nitrogen[WMD=-0.90,95%CI(-2.22,0.41),Z=1.35,P=0.18].Conclusion:The method of enriching qi,activating blood circulation,clearing away dampness and heat combined with western medicine exerts certain advantages and better safety in treating patients with IMN.However,for the inferiority of the included studies,the conclusion still needs high-quality and large-sample prospective randomized controlled trials to verify.
文摘The elderly population is growing rapidly in Taiwan. Eating is an important part for this group. The purpose of this study is to adapt the push and pull theory in order to investigate what would motivate the elderly to consume food away from home. Based on the results of a literature review and an expert panel, a valid questionnaire was developed. The participants in this study were aged above 55 who live in Taichung district. A total of 265 samples were collected. Statistical Package for the Social Sciences （SPSS） and Analysis of Moment Structures （AMOS） were used to analyze the data. The findings revealed that the data fit the model moderately well. Push and pull variables had a significant influence on intention and behavior. Recommendations like marketing strategies that can attract senior citizens and restaurateurs should focus on the key factors when seniors consume food away from home.
