نتایج جستجو برای: thiuram sulphides

تعداد نتایج: 606  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده علوم پایه 1390

گزینش پذیری هر حسگر شیمیایی به وضوح یکی از مهمترین خصوصیات آن است که با ضریب گزینش پذیری (ka,b) نشان داده می شود. محاسبات تئوری، یک ابزار قدرتمند برای فهم مکانیسم دریافت گزینشی و انتقال یون های فلزی توسط یونوفور می باشد. تحقیق حاضر با هدف پیش بینی قدرت استخراج گزینشی چند نوع یونوفور برای یون های فلزی متفاوت، بررسی چگونگی استفاده از ویژگی های فلز برای پیش بینی برهم کنش گزینشی، انتقال و جداسازی ا...

Journal: :Poultry science 1985
H M Edwards

The effects of age vs. diet, potassium level, tetramethylthiuram disulfide (thiuram), and ionophores in the diet on the development of tibial dyschondroplasia in broilers was investigated. Changing broiler chicks from a diet that induced tibial dyschondroplasia to one that reduced the disease or vice versa caused a change in the incidence in the direction of the last-fed diet; however, in most ...

2010
Wolfgang Uter Janice Hegewald Annette Pfahlberg Holger Lessmann Axel Schnuch Olaf Gefeller

PURPOSE To analyse the association between occupation (represented by job title) and contact allergy to thiuram vulcanising agents based on data of a clinical registry (IVDK, www.ivdk.org ). METHODS Clinical, demographic and allergy patch test data of all patients tested between 1992 and 2006 with the thiuram mix (1% in petrolatum) as part of the baseline series was analysed (n = 121,051). Po...

2015
Cezary Kowalewski Dagmara Kurpios-Pieca Iwona Rahden-Staron Beata Gajewska Katarzyna Wozniak

Among the various substances known to cause occupational allergic contact dermatitis, additives to rubber, especially thiurams are regarded as the most important class of contact allergens. It has been suggest that in the sensitization phase of contact hypersensitivity hapten application induces strong innate immune mechanisms, causing the release of danger signals as reactive oxygen species (R...

2003
J. C. LARRASOAÑA J. M. PARÉS E. L. PUEYO

In order to establish the magnetic carriers and assess the reliability of previous paleomagnetic results obtained for Eocene marine marls from the south Pyrenean basin, we carried out a combined paleoand rock-magnetic study of the Pamplona-Arguis Formation, which crops out in the western sector of the southern Pyrenees (N Spain). The unblocking temperatures suggest that the characteristic reman...

Journal: :The Biochemical journal 1946
W H Davies W A Sexton

Elementary sulphur and some of its inorganic compounds have long been of practical importance for the control of parasitic and saprophytic fungi, but the use of organic compounds of sulphur is of more recent origin. Compounds such as tetramethylthiuram disulphide and certain metallic salts of dithiocarbamic acids are now of commercial importance in this connexion (Tisdale & Flenner, 1942; Rober...

Journal: :Acta dermato-venereologica 2016
Jakob F Schwensen Torkil Menné Mette Sommerlund Klaus E Andersen Charlotte G Mortz Claus Zachariae Jeanne D Johansen

Contact dermatitis in healthcare workers is a world wide problem. We conducted a retrospective observational study of the patch-test results of 1402 healthcare workers and 1402 matched controls with contact dermatitis who were treated at 3 hospitals departments in Denmark between 2007 and 2014. The primary objective was to determine whether healthcare work was associated with contact allergy to...

2017
Patricia R Fontenot Bo Wang Yueli Chen James P Donahue

Tetra-kis(2-methyl-prop-yl)thio-per-oxy-dicarbonic di-amide, or tetra-iso-butyl-thiuram di-sulfide, C18H36N2S4, crystallizes in a general position in the triclinic space group P-1 but shows pseudo-C2 symmetry about the di-sulfide bond. The C-S-S-C torsion angle [-85.81 (2)°] and the dihedral angle between the two NCS2 mean planes [85.91 (5)°] are within the range observed for this compound type...

Journal: :Nature 1978

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