排序方式: 共有54条查询结果,搜索用时 15 毫秒
1.
2.
3.
4.
5.
Experiments in nutrient solution and in sterilized soil show that the sequential transformation of N-(3,4-dichlorophenyl)-propionamide (propanil) to 3,3',4,4'-tetrachloroazobenzene and other complex residues is brought about by the synergistic interaction of two common soil fungi, Penicillium piscarium and Geotrichum candidum. The interaction benefits both organisms as the end products of the transformation sequence allow higher growth yields than either the parent herbicide or its primary cleavage product. The synergism of the two fungi prevails only in the herbicide-induced stress situation. 相似文献
6.
7.
8.
Pesticide interaction creates hybrid residue 总被引:1,自引:0,他引:1
R Bartha 《Science (New York, N.Y.)》1969,166(910):1299-1300
When applied in combination, the herbicides N-(3,4-dichlorophenyl)-propionamide (propanil) and N-(3-chloro-4-methylphenyl)-2-methyl-pentanamide (solan) were transformed in soil to an unexpected residue-asymmetric 3,3',4-trichloro-4'-methylazobenzene. Each herbicide contributed one-half of the asymmetric azobenzene molecule. 相似文献
9.
Thyroid dysfunction causes certain dermatological alterations in dogs. Insufficient delivery of thyroid hormone to the skin may originate not only from inadequate thyroid function but also from impaired local activation of thyroxine in the target organ. Thyroid parameters and deiodination were investigated in healthy dogs (group C) and in dogs with cutaneous lesions associated with hypothyroidism (group H) or with a low-T3 syndrome (group LT). The ability of the skin to convert T4 to T3 was impaired in both groups H and LT but not in the controls. It is concluded that impaired local deiodination may contribute to skin problems in dogs.Abbreviations bwt
body weight
- DTT
dithiothreitol
- PBS
phosphate-buffered saline (pH 7.5, 0.05 mol/L)
- PTU
propylthiouracyl
- RIA
radioimmunoassay
- TRH
thyrotropin-releasing hormone
- TSH
thyroid-stimulating hormone 相似文献
10.
Molecular cloning of the HindIII fragments of bovine herpesvirus 1 (BHV-1) strain HB144, isolated from infectious bovine rhinotracheitis (IBR) in Hungary, and of an infectious pustular vulvovaginitis (IPV) reference strain (K22) is reported. So far 52% of the IBR viral genome and 28% of the IPV viral genome have been cloned. The analysis of differences between the strains is currently in progress. 相似文献