以优良玉米自交系B 73和Mo 17构建的278个IBM Syn 10DH系为作图群体,利用Photoshop软件和Seed_Identification软件对黄色玉米籽粒颜色的RGB值、灰度值进行表型鉴定。利用单标记作图法,采用基于混合线性模型的分析软件QTL Cartographer V...以优良玉米自交系B 73和Mo 17构建的278个IBM Syn 10DH系为作图群体,利用Photoshop软件和Seed_Identification软件对黄色玉米籽粒颜色的RGB值、灰度值进行表型鉴定。利用单标记作图法,采用基于混合线性模型的分析软件QTL Cartographer Version 1.17,结合RGB值和灰度值进行QTL定位。结果共检测到11个QTL位点,与R值、G值、B值、灰度值紧密连锁的标记分别有1个、3个、6个、1个。本研究结果为黄色玉米籽粒颜色性状基因/QTL的精细定位和分子标记辅助育种奠定了基础。展开更多
Interfacial solar steam generation holds great promise in water desalination thanks to its high energy efficiency by heating only the top layer of water for evaporation.While three‐dimensional(3D)evaporators have bee...Interfacial solar steam generation holds great promise in water desalination thanks to its high energy efficiency by heating only the top layer of water for evaporation.While three‐dimensional(3D)evaporators have been proven to increase the evaporation rate by harnessing the energy from the surroundings,further development is still required in terms of convenient fabrication with potential scalability.Herein,we propose to overcome this challenge by using a high internal phase emulsion(HIPE)to template the synthesis of 3D hierarchically porous evaporators.The HIPE‐templated synthesis combined with a molding process can efficiently fabricate the desired 3D shape without wasting any materials and generate a hierarchically porous internal structure for continuous water supply.Engineering the overall shape and internal pores produces a 3D evaporator that can suppress conduction heat loss and efficiently collect thermal energy from its surroundings,boosting the evaporation rate to 2.82 kg/(m2 h)under 1‐sun illumination,which is significantly higher than conventional 2D evaporators.HIPE‐templating synthesis is an easy but effective way to produce various porous polymers,promising for a wide range of applications where easy production,excellent shape control,and potential scalability are critical.展开更多
新加坡近年积极发展工利(workfare)政策。2007年,新加坡政府推行就业入患补助计划(Workfare Income Supplement Scheme),使之与当地公积金挂钩,辅以少量现金津贴,来吸引低收入人士参加计划,鼓励继续就业,也使其公积金户口有足够供款以...新加坡近年积极发展工利(workfare)政策。2007年,新加坡政府推行就业入患补助计划(Workfare Income Supplement Scheme),使之与当地公积金挂钩,辅以少量现金津贴,来吸引低收入人士参加计划,鼓励继续就业,也使其公积金户口有足够供款以应付参加者退休后生活和医疗开支。新加坡政府推行工利政策除了鼓励低收入人士就业为主要目的外,更强调要促进中老年低收入人士继续就业,从而解决劳工及老人问题。本文在探讨工利概念的基础上,着重分析了新加坡政府在近年来积极推行工利政策的原因,并从政策内容和实施方面探讨了新加坡工利政策的特点,论述了该政策对新加坡社会政策发展的意义。展开更多
文摘以优良玉米自交系B 73和Mo 17构建的278个IBM Syn 10DH系为作图群体,利用Photoshop软件和Seed_Identification软件对黄色玉米籽粒颜色的RGB值、灰度值进行表型鉴定。利用单标记作图法,采用基于混合线性模型的分析软件QTL Cartographer Version 1.17,结合RGB值和灰度值进行QTL定位。结果共检测到11个QTL位点,与R值、G值、B值、灰度值紧密连锁的标记分别有1个、3个、6个、1个。本研究结果为黄色玉米籽粒颜色性状基因/QTL的精细定位和分子标记辅助育种奠定了基础。
基金supported by the University of California Riverside and the Korea Institute of Materials Science through the UC‐KIMS Center for Innovation Materials for Energy and EnvironmentJinxing Chen acknowledges the support of the National Natural Science Foundation of China(Grant No.51901147)the Su‐Zhou Key Laboratory of Functional Nano and Soft Materials,Collaborative Innovation Center of Suzhou Nano Science and Technology,and the 111 Project.The authors also thank Ms.Jessica Lujia Yin and Mr.Zirui Zhou for their kind assistance.
文摘Interfacial solar steam generation holds great promise in water desalination thanks to its high energy efficiency by heating only the top layer of water for evaporation.While three‐dimensional(3D)evaporators have been proven to increase the evaporation rate by harnessing the energy from the surroundings,further development is still required in terms of convenient fabrication with potential scalability.Herein,we propose to overcome this challenge by using a high internal phase emulsion(HIPE)to template the synthesis of 3D hierarchically porous evaporators.The HIPE‐templated synthesis combined with a molding process can efficiently fabricate the desired 3D shape without wasting any materials and generate a hierarchically porous internal structure for continuous water supply.Engineering the overall shape and internal pores produces a 3D evaporator that can suppress conduction heat loss and efficiently collect thermal energy from its surroundings,boosting the evaporation rate to 2.82 kg/(m2 h)under 1‐sun illumination,which is significantly higher than conventional 2D evaporators.HIPE‐templating synthesis is an easy but effective way to produce various porous polymers,promising for a wide range of applications where easy production,excellent shape control,and potential scalability are critical.
文摘新加坡近年积极发展工利(workfare)政策。2007年,新加坡政府推行就业入患补助计划(Workfare Income Supplement Scheme),使之与当地公积金挂钩,辅以少量现金津贴,来吸引低收入人士参加计划,鼓励继续就业,也使其公积金户口有足够供款以应付参加者退休后生活和医疗开支。新加坡政府推行工利政策除了鼓励低收入人士就业为主要目的外,更强调要促进中老年低收入人士继续就业,从而解决劳工及老人问题。本文在探讨工利概念的基础上,着重分析了新加坡政府在近年来积极推行工利政策的原因,并从政策内容和实施方面探讨了新加坡工利政策的特点,论述了该政策对新加坡社会政策发展的意义。
