[Objective] This study aimed to clone C4B gene in Siji goose and detect its expression level in different tissues. [Method] cDNA sequence of C4B gene was cloned with RACE-PCR method. Amino acid sequences in multiple s...[Objective] This study aimed to clone C4B gene in Siji goose and detect its expression level in different tissues. [Method] cDNA sequence of C4B gene was cloned with RACE-PCR method. Amino acid sequences in multiple species were aligned in GenBank, and a phylogenetic tree was constructed for homology analysis. [Result] C4B gene in Siji goose shared relatively high homology with chicken and quail; Siji goose C4B gene was expressed highly in liver and lung of adult geese and expressed lowly in epididymis, seminiferous duct, brain, kidney, testis, heart, oviduct and smal intestine. [Conclusion] In the present study, mRNA expression lev-el of C4B gene in different tissues and organs of Siji goose was determined by flu-orescence quantitative PCR, which provided basis for rapid diagnosis of specific an-imal diseases.展开更多
Mesoscale convective system (MCS) cloud clusters,defined using an objective recognition analysis based on hourly geostationary infrared satellite data over East Asia during the warm seasons of 1996-2008 (except 2004),...Mesoscale convective system (MCS) cloud clusters,defined using an objective recognition analysis based on hourly geostationary infrared satellite data over East Asia during the warm seasons of 1996-2008 (except 2004),were investigated in this study.The geographical pattern of MCS distribution over East Asia shows several high-frequency centers at low latitudes,including the Indo-China peninsula,the Bay of Bengal,the Andaman Sea,the Brahmaputra river delta,the south China coastal region,and the Philippine Islands.There are several middle-frequency centers in the middle latitudes,e.g.,the central-east of the Tibet Plateau,the Plateau of west Sichuan,Mount Wuyi,and the Sayan Mountains in Russia;whereas in Lake Baikal,the Tarim Basin,the Taklimakan Desert,the Sea of Japan,and the Sea of Okhotsk,rare MCS distributions are observed.MCSs are most intensely active in summer,with the highest monthly frequency in July,which is partly associated with the breaking out and prevailing of the summer monsoon in East Asia.An obvious diurnal cycle feature is also found in MCS activities,which shows that MCSs are triggered in the afternoon,mature in the evening,and dissipate at night.MCS patterns over East Asia can be characterized as small,short-lived,or elongated,which move slowly and usually lead to heavy rains or floods.展开更多
An efficient asymmetric Friedel-Crafts reaction has been developed for the synthesis of optically active quaternaryα‐aminophosphonates with up to98%ee.The synthesis involves the reaction of cyclicα‐ketiminophospho...An efficient asymmetric Friedel-Crafts reaction has been developed for the synthesis of optically active quaternaryα‐aminophosphonates with up to98%ee.The synthesis involves the reaction of cyclicα‐ketiminophosphonates with indoles using an H8‐BINOL‐derived chiral phosphoric acid(CPA)catalyst that bears electron‐withdrawing3,5‐ditrifluoromethylphenyl substituents on its3‐and3′‐positions.This Friedel-Crafts reaction of cyclicα‐ketiminophosphonates was also successful with pyrrole.展开更多
In many of his most memorable ballads, Cowboy Junkies lyricist and lead guitarist Michael Timmins combines imagery of seasonal change, of the year, notably of Winter, with religious and mythological references to crea...In many of his most memorable ballads, Cowboy Junkies lyricist and lead guitarist Michael Timmins combines imagery of seasonal change, of the year, notably of Winter, with religious and mythological references to create richly textured metaphors and analogies of love, loss and anguish. Some of the band’s songs which display these symbolic networks and thematic linkages which we Will consider here are “Winter’s Song,” “’Cause Cheap is How I Feel,” “Crescent Moon,” “First Recollection,” “Sad to See the Season Go,” “Good Friday” and “Ring on the Sill.” We will show that Timmins succeeds not only in rendering vivid tableaux of life in a world where Winter dominates the seasonal round, but also in making those exterior visions, in effect, objective correlatives of the inner lives of the characters of his ballads.展开更多
The 128th plenary session of International Olympic Committee declared on July 31, 2015 after vote that Beijing and Zhan^iakou will be the bidding cities of 2022 Winter Olympics. It was the second time for China to suc...The 128th plenary session of International Olympic Committee declared on July 31, 2015 after vote that Beijing and Zhan^iakou will be the bidding cities of 2022 Winter Olympics. It was the second time for China to successfully bid Olympic Games since 2008 Summer Olympics, which will encourage China to continue to develop sports career in the process of sports power construction and will have long-term construction meanings. Chinese winter sports industry and sports culture will enter into the fast booming development period in the future 7 years. The paper begins with Beijing and Zhangjiakou Winter Olympics bid and the future Chinese winter sports industry construction to illustrate the impact of bid for Winter Olympics on the future winter sports career development.展开更多
Intraspecific variability in Schizaphis graminum （Rondani） was studied in 2002-2005. Aphid clones were sampled from sorghum field at the Kuban Experimental Station （Krasnodar region, Northern Caucasus, Russia） in ...Intraspecific variability in Schizaphis graminum （Rondani） was studied in 2002-2005. Aphid clones were sampled from sorghum field at the Kuban Experimental Station （Krasnodar region, Northern Caucasus, Russia） in June （active greenbug migration to the field）, July （high rate of the population increasing）, and August （greenbug abundance decreasing） and at the end of September or in the beginning of October （appearance of sexual males and females）. Damage rating was estimated for two plant sets composed of three sorghum differentials. Set A contains Deer （gene for resistance Sgr4）, Sarvasi （Sgrl ＋ Sgr2） and Capbam （Sgrl2）. Set B contains Shallu （Sgr3）, Sorgogradskoe （Sgr5） and Durra Belaya （Sgr5 ＋ Sgr6）. To estimate variability in greenbug subpopulations criteria proposed by Zhivotovsky （1982） were used. Frequencies of greenbug clones with virulence to sorghum accessions essentially differed. Very high overall and seasonal polymorphism of the insect for virulence was revealed. Among 517 aphid clones tested 33 phenotypes for virulence were identified. The aphid subpopulations collected from the same field at different periods of sorghum vegetation varied significantly in share of rare phenotypes. Criteria of similarities varied from 0.268 to 0.739; according to criterion of identity significant differences between 44 summer subpopulations from 66 studied were found.展开更多
The ⅩⅩⅢ Olympic Winter Games in South Korea lit a flame for the dramatic development of inter-Korean relations. Rapid changes in the geopolitical situation on the peninsula since the Winter Olympics in Pyeongchang ...The ⅩⅩⅢ Olympic Winter Games in South Korea lit a flame for the dramatic development of inter-Korean relations. Rapid changes in the geopolitical situation on the peninsula since the Winter Olympics in Pyeongchang have included high-level DPRK talks with South Korea, China and the United States. President Xi Jinping＇ s meetings with DPRK leader Kim Jong-un in Beijing and Dalian, and the upcoming Trump-Kim summit on June 12 are all about timing. A new diplomacy on DPRK＇ s part has unfolded out of the extemal pressure the DPRK experienced from the US, China and the international community but also out of the difficulties the DPRK faces in advancing its nuclear options. Unless the DPRK makes substantial concessions, the US will not alter policy. Real success means historic change, not only a reunion of families and an official end to the Korean War, but also a potential shift in the Asian power structure. There are diverse possibilities and much at stake. The fundamental way forward is restarting Six Party Talks and regional mechanism.展开更多
lraq locates in hot arid region （30 °N-37 °N）, where the hot summer season is very long and the ambient temperature is about 50 ℃. Cooling of building needs A/C （air-conditioning） system which consumes ...lraq locates in hot arid region （30 °N-37 °N）, where the hot summer season is very long and the ambient temperature is about 50 ℃. Cooling of building needs A/C （air-conditioning） system which consumes more than 60% of the total electricity supplied to residential building. So, there is really need to minimize the energy consumption by enhancement the performance of Iraqi buildings using passive house technique. This paper presents the thermal performance ofa Passivhaus model built in Kirkuk （35 °N）. The design depends on the using of suitable materials, sufficient insulation, well airtightness and underground air cooling. The experimental measurements take in consideration several parameters like ambient temperature, solar radiation, orientation of the building and duration. The results give good indication of the benefit of using this technique of passive cooling system in Iraqi residential buildings. The indoor temperature could be reduced to 30 ℃, while, the energy consumption for cooling could be saved up to 80%.展开更多
Thirteen promising clones from population B3C2 potato genotypes （bred for quantitative resistance to late blight） obtained from the International Potato Center and three control cultivars were evaluated for four pla...Thirteen promising clones from population B3C2 potato genotypes （bred for quantitative resistance to late blight） obtained from the International Potato Center and three control cultivars were evaluated for four planting dates within two cropping seasons at Kalengyere Research Station in Southwestern Uganda in order to determine performance and yield stability. The analysis of variance of the relative area under disease progress curve （rAUDPC） revealed significant difference （P 〈 0.001） among genotype x planting date interaction, and significant difference （P 〈 0.001） among genotypes x fungicide treatments x planting date interaction. The analysis of variance （ANOVA） of yield revealed also significant difference among genotypes x planting date interaction and significant difference （P 〈 0.05） among genotypes x fungicide treatments x planting date interaction, showing the variable response of genotypes and the need for stability analysis. The additive main effects and multiplicative interactive （AMMI） statistical model showed that the most stable and high yielding genotypes were 396038.107, 396026.103 and 393280.82. The cultivars Victoria, Nakpot 5 and Cruza recorded low yields （below the average）, but Nakpot 5 was generally more variable, and is therefore highly adaptable to some environments.展开更多
基金Supported by Agricultural Independent Innovation Fund of Jiangsu Province[CX(09)638]~~
文摘[Objective] This study aimed to clone C4B gene in Siji goose and detect its expression level in different tissues. [Method] cDNA sequence of C4B gene was cloned with RACE-PCR method. Amino acid sequences in multiple species were aligned in GenBank, and a phylogenetic tree was constructed for homology analysis. [Result] C4B gene in Siji goose shared relatively high homology with chicken and quail; Siji goose C4B gene was expressed highly in liver and lung of adult geese and expressed lowly in epididymis, seminiferous duct, brain, kidney, testis, heart, oviduct and smal intestine. [Conclusion] In the present study, mRNA expression lev-el of C4B gene in different tissues and organs of Siji goose was determined by flu-orescence quantitative PCR, which provided basis for rapid diagnosis of specific an-imal diseases.
基金supported by the National Basic Research Program of China(973Program,Grant No.2011CB309704)the Ministry of Finance of China and the China Meteorological Administration for the Special Project of Meteorological Sector(Grant No.GYHY(QX)201006014)the National Natural Science Foundation of China(Grant No.40875022)
文摘Mesoscale convective system (MCS) cloud clusters,defined using an objective recognition analysis based on hourly geostationary infrared satellite data over East Asia during the warm seasons of 1996-2008 (except 2004),were investigated in this study.The geographical pattern of MCS distribution over East Asia shows several high-frequency centers at low latitudes,including the Indo-China peninsula,the Bay of Bengal,the Andaman Sea,the Brahmaputra river delta,the south China coastal region,and the Philippine Islands.There are several middle-frequency centers in the middle latitudes,e.g.,the central-east of the Tibet Plateau,the Plateau of west Sichuan,Mount Wuyi,and the Sayan Mountains in Russia;whereas in Lake Baikal,the Tarim Basin,the Taklimakan Desert,the Sea of Japan,and the Sea of Okhotsk,rare MCS distributions are observed.MCSs are most intensely active in summer,with the highest monthly frequency in July,which is partly associated with the breaking out and prevailing of the summer monsoon in East Asia.An obvious diurnal cycle feature is also found in MCS activities,which shows that MCSs are triggered in the afternoon,mature in the evening,and dissipate at night.MCS patterns over East Asia can be characterized as small,short-lived,or elongated,which move slowly and usually lead to heavy rains or floods.
基金supported by the National Natural Science Foundation of China(21532006,21690074)~~
文摘An efficient asymmetric Friedel-Crafts reaction has been developed for the synthesis of optically active quaternaryα‐aminophosphonates with up to98%ee.The synthesis involves the reaction of cyclicα‐ketiminophosphonates with indoles using an H8‐BINOL‐derived chiral phosphoric acid(CPA)catalyst that bears electron‐withdrawing3,5‐ditrifluoromethylphenyl substituents on its3‐and3′‐positions.This Friedel-Crafts reaction of cyclicα‐ketiminophosphonates was also successful with pyrrole.
文摘In many of his most memorable ballads, Cowboy Junkies lyricist and lead guitarist Michael Timmins combines imagery of seasonal change, of the year, notably of Winter, with religious and mythological references to create richly textured metaphors and analogies of love, loss and anguish. Some of the band’s songs which display these symbolic networks and thematic linkages which we Will consider here are “Winter’s Song,” “’Cause Cheap is How I Feel,” “Crescent Moon,” “First Recollection,” “Sad to See the Season Go,” “Good Friday” and “Ring on the Sill.” We will show that Timmins succeeds not only in rendering vivid tableaux of life in a world where Winter dominates the seasonal round, but also in making those exterior visions, in effect, objective correlatives of the inner lives of the characters of his ballads.
文摘The 128th plenary session of International Olympic Committee declared on July 31, 2015 after vote that Beijing and Zhan^iakou will be the bidding cities of 2022 Winter Olympics. It was the second time for China to successfully bid Olympic Games since 2008 Summer Olympics, which will encourage China to continue to develop sports career in the process of sports power construction and will have long-term construction meanings. Chinese winter sports industry and sports culture will enter into the fast booming development period in the future 7 years. The paper begins with Beijing and Zhangjiakou Winter Olympics bid and the future Chinese winter sports industry construction to illustrate the impact of bid for Winter Olympics on the future winter sports career development.
文摘Intraspecific variability in Schizaphis graminum （Rondani） was studied in 2002-2005. Aphid clones were sampled from sorghum field at the Kuban Experimental Station （Krasnodar region, Northern Caucasus, Russia） in June （active greenbug migration to the field）, July （high rate of the population increasing）, and August （greenbug abundance decreasing） and at the end of September or in the beginning of October （appearance of sexual males and females）. Damage rating was estimated for two plant sets composed of three sorghum differentials. Set A contains Deer （gene for resistance Sgr4）, Sarvasi （Sgrl ＋ Sgr2） and Capbam （Sgrl2）. Set B contains Shallu （Sgr3）, Sorgogradskoe （Sgr5） and Durra Belaya （Sgr5 ＋ Sgr6）. To estimate variability in greenbug subpopulations criteria proposed by Zhivotovsky （1982） were used. Frequencies of greenbug clones with virulence to sorghum accessions essentially differed. Very high overall and seasonal polymorphism of the insect for virulence was revealed. Among 517 aphid clones tested 33 phenotypes for virulence were identified. The aphid subpopulations collected from the same field at different periods of sorghum vegetation varied significantly in share of rare phenotypes. Criteria of similarities varied from 0.268 to 0.739; according to criterion of identity significant differences between 44 summer subpopulations from 66 studied were found.
文摘The ⅩⅩⅢ Olympic Winter Games in South Korea lit a flame for the dramatic development of inter-Korean relations. Rapid changes in the geopolitical situation on the peninsula since the Winter Olympics in Pyeongchang have included high-level DPRK talks with South Korea, China and the United States. President Xi Jinping＇ s meetings with DPRK leader Kim Jong-un in Beijing and Dalian, and the upcoming Trump-Kim summit on June 12 are all about timing. A new diplomacy on DPRK＇ s part has unfolded out of the extemal pressure the DPRK experienced from the US, China and the international community but also out of the difficulties the DPRK faces in advancing its nuclear options. Unless the DPRK makes substantial concessions, the US will not alter policy. Real success means historic change, not only a reunion of families and an official end to the Korean War, but also a potential shift in the Asian power structure. There are diverse possibilities and much at stake. The fundamental way forward is restarting Six Party Talks and regional mechanism.
文摘lraq locates in hot arid region （30 °N-37 °N）, where the hot summer season is very long and the ambient temperature is about 50 ℃. Cooling of building needs A/C （air-conditioning） system which consumes more than 60% of the total electricity supplied to residential building. So, there is really need to minimize the energy consumption by enhancement the performance of Iraqi buildings using passive house technique. This paper presents the thermal performance ofa Passivhaus model built in Kirkuk （35 °N）. The design depends on the using of suitable materials, sufficient insulation, well airtightness and underground air cooling. The experimental measurements take in consideration several parameters like ambient temperature, solar radiation, orientation of the building and duration. The results give good indication of the benefit of using this technique of passive cooling system in Iraqi residential buildings. The indoor temperature could be reduced to 30 ℃, while, the energy consumption for cooling could be saved up to 80%.
文摘Thirteen promising clones from population B3C2 potato genotypes （bred for quantitative resistance to late blight） obtained from the International Potato Center and three control cultivars were evaluated for four planting dates within two cropping seasons at Kalengyere Research Station in Southwestern Uganda in order to determine performance and yield stability. The analysis of variance of the relative area under disease progress curve （rAUDPC） revealed significant difference （P 〈 0.001） among genotype x planting date interaction, and significant difference （P 〈 0.001） among genotypes x fungicide treatments x planting date interaction. The analysis of variance （ANOVA） of yield revealed also significant difference among genotypes x planting date interaction and significant difference （P 〈 0.05） among genotypes x fungicide treatments x planting date interaction, showing the variable response of genotypes and the need for stability analysis. The additive main effects and multiplicative interactive （AMMI） statistical model showed that the most stable and high yielding genotypes were 396038.107, 396026.103 and 393280.82. The cultivars Victoria, Nakpot 5 and Cruza recorded low yields （below the average）, but Nakpot 5 was generally more variable, and is therefore highly adaptable to some environments.
