Introduction There is a general consensus among language learning theorists,educational psycholo-gists,and language—teaching professionals that the learning of anything does not occur in avacuum.That is,successful l...Introduction There is a general consensus among language learning theorists,educational psycholo-gists,and language—teaching professionals that the learning of anything does not occur in avacuum.That is,successful language learning of whatever kind comes out only when what isto be learned can be meaningfully related to something that is already known.Learning,inother words,must take place within some kind of familiar context or framework——an ex-tension of the familiar to the unfamiliar,if you will.The natural question to raise,then,iswhat such"frameworks"——and ones familiar to the learner——we might identify for thelearning of second/foreign language grammar.In what way,we are entitled to ask,wouldgrammatical consciousness—raising fit into this roughly—drawn,very general picture of lan-展开更多
This study aimed to evaluate the association between the CLEC3A gene polymorphisms(rs2735401/rs2293776/rs2072665)and the gastric cancer risk in the Northwestern Chinese population.A hospital-based case-control study w...This study aimed to evaluate the association between the CLEC3A gene polymorphisms(rs2735401/rs2293776/rs2072665)and the gastric cancer risk in the Northwestern Chinese population.A hospital-based case-control study was conducted on 681 cases and 756 healthy controls.Odds ratio(OR)and 95%confidence intervals(CI)were applied to evaluate the association of the CLEC3A polymorphisms on gastric cancer risk.We found that there was no significant association between the CLEC3A polymorphisms and gastric cancer susceptibility,which was detected in the main analysis or stratification analyses of age,gender,and clinical stages.Our findings verified that the CLEC3A polymorphisms are not associated with gastric cancer susceptibility in the Northwestern Chinese population;other polymorphisms should be investigated to further clarify the susceptibility to gastric cancer.展开更多
A wideband composite right/left handed transmission line (CRLH TL) in conjunction with its corresponding equivalent circuit model is studied based on a cascaded complementary single split ring resonator (CCSSRR).The c...A wideband composite right/left handed transmission line (CRLH TL) in conjunction with its corresponding equivalent circuit model is studied based on a cascaded complementary single split ring resonator (CCSSRR).The characterization is performed by theory analysis,circuit simulation,and full-wave electromagnetic (EM) simulation.The negative refractive index (NRI) and backward wave propagation performance of the CRLH TL are demonstrated.For application,a bandpass filter (BPF) with enhanced out-of-band selectivity and harmonic suppression operating at the wireless local area network (WLAN) band is designed,fabricated,and measured by combining the CRLH TL with a complementary electric inductive-capacitive resonator (CELC).Three CELC cells with wideband stopband performance in the conductor strip and ground plane,respectively,are utilized in terms of single negative permeability.The design concept has been verified by the measurement data.展开更多
文摘Introduction There is a general consensus among language learning theorists,educational psycholo-gists,and language—teaching professionals that the learning of anything does not occur in avacuum.That is,successful language learning of whatever kind comes out only when what isto be learned can be meaningfully related to something that is already known.Learning,inother words,must take place within some kind of familiar context or framework——an ex-tension of the familiar to the unfamiliar,if you will.The natural question to raise,then,iswhat such"frameworks"——and ones familiar to the learner——we might identify for thelearning of second/foreign language grammar.In what way,we are entitled to ask,wouldgrammatical consciousness—raising fit into this roughly—drawn,very general picture of lan-
基金supported by National Natural Science Foundation of China(81572916).
文摘This study aimed to evaluate the association between the CLEC3A gene polymorphisms(rs2735401/rs2293776/rs2072665)and the gastric cancer risk in the Northwestern Chinese population.A hospital-based case-control study was conducted on 681 cases and 756 healthy controls.Odds ratio(OR)and 95%confidence intervals(CI)were applied to evaluate the association of the CLEC3A polymorphisms on gastric cancer risk.We found that there was no significant association between the CLEC3A polymorphisms and gastric cancer susceptibility,which was detected in the main analysis or stratification analyses of age,gender,and clinical stages.Our findings verified that the CLEC3A polymorphisms are not associated with gastric cancer susceptibility in the Northwestern Chinese population;other polymorphisms should be investigated to further clarify the susceptibility to gastric cancer.
基金Project (Nos.60871027 and 60971118) supported by the National Natural Science Foundation of China
文摘A wideband composite right/left handed transmission line (CRLH TL) in conjunction with its corresponding equivalent circuit model is studied based on a cascaded complementary single split ring resonator (CCSSRR).The characterization is performed by theory analysis,circuit simulation,and full-wave electromagnetic (EM) simulation.The negative refractive index (NRI) and backward wave propagation performance of the CRLH TL are demonstrated.For application,a bandpass filter (BPF) with enhanced out-of-band selectivity and harmonic suppression operating at the wireless local area network (WLAN) band is designed,fabricated,and measured by combining the CRLH TL with a complementary electric inductive-capacitive resonator (CELC).Three CELC cells with wideband stopband performance in the conductor strip and ground plane,respectively,are utilized in terms of single negative permeability.The design concept has been verified by the measurement data.
