The ability to speak two languages in the non-English-speaking countries is a remarkable achievement. There is a good reason to believe that bilingualism is the norm for the majority of people in the world, because 70...The ability to speak two languages in the non-English-speaking countries is a remarkable achievement. There is a good reason to believe that bilingualism is the norm for the majority of people in the world, because 70% of the earth＇s population are supposed to be bilingual or multilingual. Our purpose of the study was to determine the participants＇ awareness of using true and false cognate words of L 1 （the first language） ＆ L2 （the second language） in learning English. Three hundred and eighty-five selected people from 3,789 statistical population participated in 2014--2015 at three levels of A.D., B.A., and M.A. of Islamic Azad University as well as teachers of English in English educational institutions in Zanjan （Iran）. Each educational level was considered as one category with the total sample calculated by using Kokran Formula, and the amount of each category was determined by using appropriate proportion and randomized categorical sampling method. The participants＇ age was between from 18 to 52, with a mean age of 29 years. The materials were 45 words of true and false cognate＇s words from 500 words by doing CVR （content validity ratio） and CVI （content validity index） （Lawshe＇s table with the index of 88% and 82% respectively） for being reliable and valid. ANOVA （Analysis of variance） was used for studying the effect of educational level on the rate of awareness. In other words, the awareness level has been compared in different educational levels. The results of Dankan test show that： There is no significant difference between the awareness of A.D., B.A., and M.A. levels, but there is a significant difference between the level of awareness of teachers group and the other groups （in true cognate words） and for false cognate words, there is no significant difference between the level of awareness of the four groups in this regard.展开更多
Various investigations have shown that the native language impacts foreign word recognition and this influence is adapted by the dexterity in the normative language. Cognates, words which area like beyond two or addit...Various investigations have shown that the native language impacts foreign word recognition and this influence is adapted by the dexterity in the normative language. Cognates, words which area like beyond two or additional languages in some fields signify an attention-grabbing, illuminating, and crucial facet of foreign or second language learning and research. Forty-five （males and females） participants have been randomly chosen and participated in the experiment in Islamic Azad University, Zanjan, Iran, in 2014-2015 school year. The participants＇ age was between from 18 to 28, with a mean age of 21.5 years. The materials were divided into two groups which include 30 true cognates and 30 false cognates words from 300 words by doing CVR （content validity ratio） and CVI （content validity index） （Lawshe＇s table with index of 88% and 82% respectively） for being reliable and valid. These words have been taught to them, after a week, a test has been prepared about those words. According to the results of T-test for comparing the average marks of learning in every two groups can be said that there is a meaningful difference between the scores. The results show that the students learned true cognate words better than the false cognate words. The results of this investigation conjointly make sure the expectations that cognate-based instruction can absolutely impact in second language acquisition.展开更多
Objective To predict the molecular mechanism of Dihuang(Rehmanniae Radix)in the treatment of diabetic nephropathy(DN)complicated with depression based on network pharmacology.Methods The components of Dihuang(Rehmanni...Objective To predict the molecular mechanism of Dihuang(Rehmanniae Radix)in the treatment of diabetic nephropathy(DN)complicated with depression based on network pharmacology.Methods The components of Dihuang(Rehmanniae Radix)were identified from the Integrated Pharmacology-based Research Platform of Traditional Chinese Medicine(TCMIP),Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform(TCMSP),and relevant literature.The component targets were detected by combining the SwissTargetPrediction and Pub Chem databases.Disease targets were collected from the Therapeutic Target Database(TTD),Dis Ge NET,and Ensembl databases with“diabetic nephropathy”and“depression”as keywords.The disease-component targets were mapped using Venny 2.1.0 to obtain potential targets.A protein-protein interaction(PPI)network was constructed using the Search Tool for the Retrieval of Interacting Genes/Proteins(STRING)database and Cytoscape 3.7.2.The co-expression genes of the key targets were collected based on the COXPRESdb 7.3.Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)enrichment analysis were performed for potential targets using R language.Target-component docking was verified and evaluated using Discovery Studio 4.5.Results According to the databases and literature reports,Dihuang(Rehmanniae Radix)contained 65 active components,and had 155 related targets for the treatment of DN complicated with depression.PPI screening showed that the key targets included serine/threonine protein kinase 1(AKT1),signal transducer and activator transcription 3(STAT3),interleukin 6(IL-6),mitogen-activated protein kinase 1(MAPK1),and vascular endothelial growth factor A(VEGFA),etc.GO enrichment analysis mainly involved biological processes,such as lipid metabolism,protein secretion regulation,cell homeostasis,and phosphatidylinositol 3 kinase activity.KEGG pathway enrichment analysis included the role of the AGE-RAGE signaling pathway in diabetic complements,insulin resistance(IR),neurotrophin signal path,Toll-like receptor signaling pathway,relaxin signaling pathway,epidermal growth factor receptor tyrosine kinase inhibitors(EGFR-TKIs),etc.Molecular docking showed that the target had high affinity for stachyose,manninotriose,verbascose,nigerose,etc.Conclusion Based on network parmacology,this study preliminarily predict the effects of Dihuang(Rehmanniae Radix)in treating DN complicated with depression by regulating inflammation,glucose metabolism,nution nerve,etc.展开更多
In the 11 th issue of 2009,'treasure'magazine published the author’s article'four steps to determine the truth of lingbi stone'.This article has been widely cited by professor wen qing of tsinghua uni...In the 11 th issue of 2009,'treasure'magazine published the author’s article'four steps to determine the truth of lingbi stone'.This article has been widely cited by professor wen qing of tsinghua university in the teaching of the China ornamental stone association appraisal and evaluation teacher training class,and has been reproduced by magazines and media,also has its name changed to"the true and false identification of lingbi stone"published,received a good response.展开更多
抗干扰雷达长期以来是雷达领域的研究热点,数字射频存储器(Digital Radio Frequency Memory,DRFM)技术通过转发最大程度模拟真实目标信号的欺骗干扰信号,对传统抗干扰雷达带来挑战。本文针对脉冲多普勒(Pulse Doppler,PD)雷达提出一种抗...抗干扰雷达长期以来是雷达领域的研究热点,数字射频存储器(Digital Radio Frequency Memory,DRFM)技术通过转发最大程度模拟真实目标信号的欺骗干扰信号,对传统抗干扰雷达带来挑战。本文针对脉冲多普勒(Pulse Doppler,PD)雷达提出一种抗DRFM转发式干扰方法,该方法通过对发射波形相位抖动调制,在保留雷达发射的脉冲相干性的同时,使雷达接收机在DRFM干扰设备没有对雷达发射信号完全接收转发的情况下,具有一定的抗欺骗干扰能力。仿真结果表明,通过提高相位调制幅度与调制单元数,可以有效提高真假目标辨别概率,同时,相位抖动使信号的峰值旁瓣电平(peak sidelobe level,PSL)提升和雷达的杂波抑制能力降低可控。展开更多
文摘The ability to speak two languages in the non-English-speaking countries is a remarkable achievement. There is a good reason to believe that bilingualism is the norm for the majority of people in the world, because 70% of the earth＇s population are supposed to be bilingual or multilingual. Our purpose of the study was to determine the participants＇ awareness of using true and false cognate words of L 1 （the first language） ＆ L2 （the second language） in learning English. Three hundred and eighty-five selected people from 3,789 statistical population participated in 2014--2015 at three levels of A.D., B.A., and M.A. of Islamic Azad University as well as teachers of English in English educational institutions in Zanjan （Iran）. Each educational level was considered as one category with the total sample calculated by using Kokran Formula, and the amount of each category was determined by using appropriate proportion and randomized categorical sampling method. The participants＇ age was between from 18 to 52, with a mean age of 29 years. The materials were 45 words of true and false cognate＇s words from 500 words by doing CVR （content validity ratio） and CVI （content validity index） （Lawshe＇s table with the index of 88% and 82% respectively） for being reliable and valid. ANOVA （Analysis of variance） was used for studying the effect of educational level on the rate of awareness. In other words, the awareness level has been compared in different educational levels. The results of Dankan test show that： There is no significant difference between the awareness of A.D., B.A., and M.A. levels, but there is a significant difference between the level of awareness of teachers group and the other groups （in true cognate words） and for false cognate words, there is no significant difference between the level of awareness of the four groups in this regard.
文摘Various investigations have shown that the native language impacts foreign word recognition and this influence is adapted by the dexterity in the normative language. Cognates, words which area like beyond two or additional languages in some fields signify an attention-grabbing, illuminating, and crucial facet of foreign or second language learning and research. Forty-five （males and females） participants have been randomly chosen and participated in the experiment in Islamic Azad University, Zanjan, Iran, in 2014-2015 school year. The participants＇ age was between from 18 to 28, with a mean age of 21.5 years. The materials were divided into two groups which include 30 true cognates and 30 false cognates words from 300 words by doing CVR （content validity ratio） and CVI （content validity index） （Lawshe＇s table with index of 88% and 82% respectively） for being reliable and valid. These words have been taught to them, after a week, a test has been prepared about those words. According to the results of T-test for comparing the average marks of learning in every two groups can be said that there is a meaningful difference between the scores. The results show that the students learned true cognate words better than the false cognate words. The results of this investigation conjointly make sure the expectations that cognate-based instruction can absolutely impact in second language acquisition.
基金National Natural Science Foundation of China(81960714)Jiangxi University of Chinese Medicine Graduate Innovation Project(JZYC21S52)。
文摘Objective To predict the molecular mechanism of Dihuang(Rehmanniae Radix)in the treatment of diabetic nephropathy(DN)complicated with depression based on network pharmacology.Methods The components of Dihuang(Rehmanniae Radix)were identified from the Integrated Pharmacology-based Research Platform of Traditional Chinese Medicine(TCMIP),Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform(TCMSP),and relevant literature.The component targets were detected by combining the SwissTargetPrediction and Pub Chem databases.Disease targets were collected from the Therapeutic Target Database(TTD),Dis Ge NET,and Ensembl databases with“diabetic nephropathy”and“depression”as keywords.The disease-component targets were mapped using Venny 2.1.0 to obtain potential targets.A protein-protein interaction(PPI)network was constructed using the Search Tool for the Retrieval of Interacting Genes/Proteins(STRING)database and Cytoscape 3.7.2.The co-expression genes of the key targets were collected based on the COXPRESdb 7.3.Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)enrichment analysis were performed for potential targets using R language.Target-component docking was verified and evaluated using Discovery Studio 4.5.Results According to the databases and literature reports,Dihuang(Rehmanniae Radix)contained 65 active components,and had 155 related targets for the treatment of DN complicated with depression.PPI screening showed that the key targets included serine/threonine protein kinase 1(AKT1),signal transducer and activator transcription 3(STAT3),interleukin 6(IL-6),mitogen-activated protein kinase 1(MAPK1),and vascular endothelial growth factor A(VEGFA),etc.GO enrichment analysis mainly involved biological processes,such as lipid metabolism,protein secretion regulation,cell homeostasis,and phosphatidylinositol 3 kinase activity.KEGG pathway enrichment analysis included the role of the AGE-RAGE signaling pathway in diabetic complements,insulin resistance(IR),neurotrophin signal path,Toll-like receptor signaling pathway,relaxin signaling pathway,epidermal growth factor receptor tyrosine kinase inhibitors(EGFR-TKIs),etc.Molecular docking showed that the target had high affinity for stachyose,manninotriose,verbascose,nigerose,etc.Conclusion Based on network parmacology,this study preliminarily predict the effects of Dihuang(Rehmanniae Radix)in treating DN complicated with depression by regulating inflammation,glucose metabolism,nution nerve,etc.
文摘In the 11 th issue of 2009,'treasure'magazine published the author’s article'four steps to determine the truth of lingbi stone'.This article has been widely cited by professor wen qing of tsinghua university in the teaching of the China ornamental stone association appraisal and evaluation teacher training class,and has been reproduced by magazines and media,also has its name changed to"the true and false identification of lingbi stone"published,received a good response.
文摘抗干扰雷达长期以来是雷达领域的研究热点,数字射频存储器(Digital Radio Frequency Memory,DRFM)技术通过转发最大程度模拟真实目标信号的欺骗干扰信号,对传统抗干扰雷达带来挑战。本文针对脉冲多普勒(Pulse Doppler,PD)雷达提出一种抗DRFM转发式干扰方法,该方法通过对发射波形相位抖动调制,在保留雷达发射的脉冲相干性的同时,使雷达接收机在DRFM干扰设备没有对雷达发射信号完全接收转发的情况下,具有一定的抗欺骗干扰能力。仿真结果表明,通过提高相位调制幅度与调制单元数,可以有效提高真假目标辨别概率,同时,相位抖动使信号的峰值旁瓣电平(peak sidelobe level,PSL)提升和雷达的杂波抑制能力降低可控。
