[Objectives]This study aimed at providing gist for selecting qualified transport containers by comparing the performance of common SPF mouse transport containers at home and abroad,and laying a foundation for subseque...[Objectives]This study aimed at providing gist for selecting qualified transport containers by comparing the performance of common SPF mouse transport containers at home and abroad,and laying a foundation for subsequent improvement of transport containers.[Methods]In this study,5 different transport containers were selected,and their microbial filtration performance,ventilation,sterilization method and flux,and other related design and construction were analyzed.[Results]The results showed all 5 SPF mouse transport containers can provide enough air for the survival of mouse and protect them from bacterial infections.Transport container B and D are superior to others on one-time sterilization flux and deformation degree after autoclaving.Furthermore,taking into account the related design and construction of these transport containers,such as viewing window and carrying handle,the result of comprehensive comparison is that the transport container D>A>E>C>B.[Conclusions]In summary,the 5 SPF transport containers tested in this study can all satisfy the basic demand of SPF mouse transportation,but each transport container has its own advantages and disadvantages on storage space,deformation degree after autoclaving and other aspects.Thus,SPF mouse transport containers should be selected by different demand.展开更多
In this paper,we calculate the 2-local unstable homotopy groups of indecomposable A^(2)_(3)-complexes.The main technique used is analysing the homotopy property of J(A,X),defined by Gray(1973) for a CW-pair(X,A),which...In this paper,we calculate the 2-local unstable homotopy groups of indecomposable A^(2)_(3)-complexes.The main technique used is analysing the homotopy property of J(A,X),defined by Gray(1973) for a CW-pair(X,A),which is homotopy equivalent to the homotopy fibre of the pinch map X∪CA→∑A.展开更多
基金Supported by Scientific Research Project of Jiangsu Laboratory Animal Association(DWXH201907).
文摘[Objectives]This study aimed at providing gist for selecting qualified transport containers by comparing the performance of common SPF mouse transport containers at home and abroad,and laying a foundation for subsequent improvement of transport containers.[Methods]In this study,5 different transport containers were selected,and their microbial filtration performance,ventilation,sterilization method and flux,and other related design and construction were analyzed.[Results]The results showed all 5 SPF mouse transport containers can provide enough air for the survival of mouse and protect them from bacterial infections.Transport container B and D are superior to others on one-time sterilization flux and deformation degree after autoclaving.Furthermore,taking into account the related design and construction of these transport containers,such as viewing window and carrying handle,the result of comprehensive comparison is that the transport container D>A>E>C>B.[Conclusions]In summary,the 5 SPF transport containers tested in this study can all satisfy the basic demand of SPF mouse transportation,but each transport container has its own advantages and disadvantages on storage space,deformation degree after autoclaving and other aspects.Thus,SPF mouse transport containers should be selected by different demand.
基金supported by National Natural Science Foundation of China (Grant No. 11701430), supported by National Natural Science Foundation of China (Grant No. 11971461)。
文摘In this paper,we calculate the 2-local unstable homotopy groups of indecomposable A^(2)_(3)-complexes.The main technique used is analysing the homotopy property of J(A,X),defined by Gray(1973) for a CW-pair(X,A),which is homotopy equivalent to the homotopy fibre of the pinch map X∪CA→∑A.
