The swellfish produce is the leading industry in ChangLi,but since 2006, due to the increasing green trade barrier of swellfish operated by Japan,the swellfish amount have continued to decrease. Especially after the i...The swellfish produce is the leading industry in ChangLi,but since 2006, due to the increasing green trade barrier of swellfish operated by Japan,the swellfish amount have continued to decrease. Especially after the international financial crisis, this industry suffers a shock hit, many breeders quitted.We should carefully consider how to deal with the problem?展开更多
Introduction The success in lineage-specific differentiation of human embryonic and induced pluripotent stem(hES/iPS)cells raises new hopes for cell-based therapies.It is envisioned that cells differentiated from hES/...Introduction The success in lineage-specific differentiation of human embryonic and induced pluripotent stem(hES/iPS)cells raises new hopes for cell-based therapies.It is envisioned that cells differentiated from hES/iPS cells can be used to replace or repair damaged or diseased cells and tissues in body.This has not yet been possible due to the difficulty in generating biologically functional cells in vitro.While many factors may contribute to these failures,the lack of tissue niches in the current differentiation systems has been viewed in impairing the maturation of these cells.As revealed by studying mice embryo development,organ development requires strict temporal and spatial control at each stage.The stepwise hESC differentiation展开更多
In this paper an equipment for precise measurement of QHR in NIM is described.The essential parts in this equipment are a resistance comparator of one-to-one ratio with a comparison uncertainty of 3×10-8 and two ...In this paper an equipment for precise measurement of QHR in NIM is described.The essential parts in this equipment are a resistance comparator of one-to-one ratio with a comparison uncertainty of 3×10-8 and two specially designed resistor networks for determination of ratio between 12906.4035Ω of QHR at i=2 and 10kΩ or 1kΩ The transfering procedure from QHR to 10kΩ or 1kΩ can be completed easily with this equipment by a few one to one comparisons with a total uncertainty of展开更多
文摘The swellfish produce is the leading industry in ChangLi,but since 2006, due to the increasing green trade barrier of swellfish operated by Japan,the swellfish amount have continued to decrease. Especially after the international financial crisis, this industry suffers a shock hit, many breeders quitted.We should carefully consider how to deal with the problem?
文摘Introduction The success in lineage-specific differentiation of human embryonic and induced pluripotent stem(hES/iPS)cells raises new hopes for cell-based therapies.It is envisioned that cells differentiated from hES/iPS cells can be used to replace or repair damaged or diseased cells and tissues in body.This has not yet been possible due to the difficulty in generating biologically functional cells in vitro.While many factors may contribute to these failures,the lack of tissue niches in the current differentiation systems has been viewed in impairing the maturation of these cells.As revealed by studying mice embryo development,organ development requires strict temporal and spatial control at each stage.The stepwise hESC differentiation
基金The project is supported by Natural Science Foundation Committee of China
文摘In this paper an equipment for precise measurement of QHR in NIM is described.The essential parts in this equipment are a resistance comparator of one-to-one ratio with a comparison uncertainty of 3×10-8 and two specially designed resistor networks for determination of ratio between 12906.4035Ω of QHR at i=2 and 10kΩ or 1kΩ The transfering procedure from QHR to 10kΩ or 1kΩ can be completed easily with this equipment by a few one to one comparisons with a total uncertainty of
