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ISBN 10 : 7568068870ISBN 13 : 9787568068871
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
Livre
paperback. Etat : New. Paperback.Pub Date:2021-05-01 Pages:96 Language:Chinese Publisher:Huazhong University of Science and Technology Press Harmonia axyridis is an important predatory natural enemy insect. By feeding on aphids. it protects the quality of crops and reduces the use of pesticides. The ecological environment belongs to the category of biological control of pests and has been widely used in agricultural production all over the world.?This book is accumulated and compiled on the basis of thorough resear.
ISBN 10 : 7560376487ISBN 13 : 9787560376486
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
Livre
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2020-06-01 Pages: 326 Publisher: Harbin Institute of Technology Press This book introduces the basic theories. numerical values. buckling and bifurcation instability. bending and stretching deformation. and post-buckling vibration of spatial membrane structures. Test method and its application.?The main content of the book is the author's research results in this field.?The book consists of 10 chapters. It introduces the wrinkle phenomenon and folding sch.