The molecular-based magnetic complex {[Cu (1, 3-Pn )]2 [Fe (CN)6] (OH).3H2O }n, where 1, 3-Pn is 1, 3-diaminopropane, has been prepared and characterized by X-raycrystallography. It crystallizes in the monoclinic syst...The molecular-based magnetic complex {[Cu (1, 3-Pn )]2 [Fe (CN)6] (OH).3H2O }n, where 1, 3-Pn is 1, 3-diaminopropane, has been prepared and characterized by X-raycrystallography. It crystallizes in the monoclinic system, space group P21 /n, with a =0. 757 7(3) nm, b=1. 069 8(1) nm, c=1. 300 0(2) nm, β=90. O5°, V=1. 053 8(5) nm3,and Z =4. The result of the crystallography indicates that this complex has a three-dimen-sional structure.展开更多
本发明涉及旋转电机绕组的一种绝缘系统及其生产工艺。本发明尤其适用于通过浸渍和固化新型热固性树脂进行绝缘的,其耐热性为 H 级或更高的旋转电机绕组及其生产工艺。改善绕组绝缘的耐热性是增加电机容量,缩小体积,和减轻量的决定性因...本发明涉及旋转电机绕组的一种绝缘系统及其生产工艺。本发明尤其适用于通过浸渍和固化新型热固性树脂进行绝缘的,其耐热性为 H 级或更高的旋转电机绕组及其生产工艺。改善绕组绝缘的耐热性是增加电机容量,缩小体积,和减轻量的决定性因素。目前耐热的 H 级(180℃)展开更多
Isothiocyanates(ITCs) extracts were prepared from fresh broccoli.Their antioxidant properties were evaluated by using the in vitro bioassays,including superoxide anion radical( 2 O·-) ,hydroxyl radical(HO·-)...Isothiocyanates(ITCs) extracts were prepared from fresh broccoli.Their antioxidant properties were evaluated by using the in vitro bioassays,including superoxide anion radical( 2 O·-) ,hydroxyl radical(HO·-) and 2,2-diphenyl-1-picrylhydracyl(DPPH·) radical-scavenging methods,lipid peroxidation assay,and reducing power assay.The ITCs extracts exhibited significant dose-dependent antioxidant activities(P<0.01) .Its antioxidant-stability was affected by temperature and storage condition,although it was more stable than vitamin C(Vc) .GC-MS iden-tified sulforaphane in the ITCs extracts.The antioxidant activity of sulforaphane was approximately one tenth to one fifth of that of Vc.Sulforaphane was experimented to be one of dominating contributors to antioxidant capacity of ITCs extracts.However,there was no direct antioxidant activity found for benzyl isothiocyanate(BITC) in vitro. Therefore,it could be concluded that the general group(-N=C=S) was not the essential part for the antioxidant activity of sulforaphane.It is suggested that the ITCs extracts from broccoli can be developed into a promising food additive for healthy food.展开更多
文摘The molecular-based magnetic complex {[Cu (1, 3-Pn )]2 [Fe (CN)6] (OH).3H2O }n, where 1, 3-Pn is 1, 3-diaminopropane, has been prepared and characterized by X-raycrystallography. It crystallizes in the monoclinic system, space group P21 /n, with a =0. 757 7(3) nm, b=1. 069 8(1) nm, c=1. 300 0(2) nm, β=90. O5°, V=1. 053 8(5) nm3,and Z =4. The result of the crystallography indicates that this complex has a three-dimen-sional structure.
基金Supported by the Natural Science Foundation of Zhejiang Province(Y3090135)
文摘Isothiocyanates(ITCs) extracts were prepared from fresh broccoli.Their antioxidant properties were evaluated by using the in vitro bioassays,including superoxide anion radical( 2 O·-) ,hydroxyl radical(HO·-) and 2,2-diphenyl-1-picrylhydracyl(DPPH·) radical-scavenging methods,lipid peroxidation assay,and reducing power assay.The ITCs extracts exhibited significant dose-dependent antioxidant activities(P<0.01) .Its antioxidant-stability was affected by temperature and storage condition,although it was more stable than vitamin C(Vc) .GC-MS iden-tified sulforaphane in the ITCs extracts.The antioxidant activity of sulforaphane was approximately one tenth to one fifth of that of Vc.Sulforaphane was experimented to be one of dominating contributors to antioxidant capacity of ITCs extracts.However,there was no direct antioxidant activity found for benzyl isothiocyanate(BITC) in vitro. Therefore,it could be concluded that the general group(-N=C=S) was not the essential part for the antioxidant activity of sulforaphane.It is suggested that the ITCs extracts from broccoli can be developed into a promising food additive for healthy food.
