3.CONCLUSION: Base pair substitution mutation and frame shift mutation were caused by folpet in Ames test.And DNA breakage in human PMNC might be induced by folpet.
4.In this paper, a new broken rope protection device for incline tramroad vehicle was stated.The design was discussed in this cuniform increase power safety device of breakage rope and test was done.
19.Microplastics are plastic particles smaller than 5mm in size that have been released into the environment from the breakage of bigger plastic objects.