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675 : Technologie du cuir et de la fourrure |
Ouvrages de la bibliothèque en indexation 675
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The effect of ultrasound on bovine hide collagen structure / Eleanor M. Brown in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CI, N° 7 (07/2006)
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Titre : The effect of ultrasound on bovine hide collagen structure Type de document : texte imprimé Auteurs : Eleanor M. Brown, Auteur ; Donna M. Stauffer, Auteur ; Peter H. Cooke, Auteur ; Gennaro J. Maffia, Auteur Année de publication : 2006 Article en page(s) : p. 274-283 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Applications of ultrasound in leather processing have been researched for more than 50 years. Although these studies showed that ultrasound could have beneficial effects on hide preparation, tanning and finishing processes, the costs associated with the development of a new technology outweighed the benefits. Ultrasound is now a mature science, used to improve the efficiency of processes for the manufacture of a variety of materials. It may well offer a path toward the use of fewer (less) chemicals in the production of quality leather. However, the effects of ultrasound on the structure and function of biomacromolecules, specifically protein complexes, have not been extensively studied. This research examines the chemical, physical and mechanical effects of ultrasonic treatment on bovine hide collagen. Scanning electron micrographs show that low frequency, high power ultrasound (20 kHz) appears to unravel the 50 - 100 nm fibrils, seen in ball-milled collagen, into smaller diameter fibrils. Although these smaller fibrils are more susceptible to attack by collagenase, the individual collagen molecules remain intact as demonstrated by SDS-PAGE. Soluble and insoluble collagen and hide powder are also being examined to develop a broader picture of potential effects of ultrasound in leather manufacturing. En ligne : https://drive.google.com/file/d/13jfj1yMy-YFy1efthCdOrWWv0YvbSE_U/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3997
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CI, N° 7 (07/2006) . - p. 274-283[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 005100 - Périodique Bibliothèque principale Documentaires Disponible The effect of ultraviolet-curable water-borne polyurethane acrylate binder concentration on the printing performance of synthetic leather / Gülçin Baysal in COLORATION TECHNOLOGY, Vol. 135, N° 2 (04/2019)
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Titre : The effect of ultraviolet-curable water-borne polyurethane acrylate binder concentration on the printing performance of synthetic leather Type de document : texte imprimé Auteurs : Gülçin Baysal, Auteur ; Berdan Kalav, Auteur ; Burcak Karaguzel Kayaoglu, Auteur Année de publication : 2019 Article en page(s) : p. 111-120 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorimétrie
Copolymère uréthane acrylate
Cuir synthétique imprimé
Dureté (matériaux)
Formulation (Génie chimique)
Haut extrait sec
Liants
Photoréticulation
Polymères en émulsion
Rayonnement ultraviolet
Résistance à l'abrasion
Résistance au chocs
Revêtements en phase aqueuse
Sérigraphie
Solidité de la couleurIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : In this paper, synthetic leather samples were screen printed with pigmented pastes including two types of photoinitiators and three different concentrations of ultraviolet (UV)-curable water-borne polyurethane acrylate binder. The curing process was conducted under different combinations of lamps (gallium, mercury, gallium/mercury and gallium/gallium/mercury) at three power levels. Abrasion resistance, crock fastness, hardness and colour strength were investigated. Chemical changes in the clear and pigmented film structures because of UV curing were analysed by Fourier Transform-infrared spectroscopy measurements. In hardness measurements, the highest hardness values were obtained with clear and pigmented formulations which have the highest solid content (57%). In colour measurements, higher K/S values were obtained in samples printed with the formulation having a binder concentration of 46%. Wet crock fastness values improved as the energy level increased during curing, and the highest values were obtained with a formulation which had a binder concentration of 57%. Greater amounts of binder in the formulations and increased amounts of energy applied to the surface during curing increased the hardness value of the prints, thus better abrasion resistance was obtained. Overall results suggested that the highest hardness, crock fastness and abrasion resistance values were obtained with the formulation with a binder concentration of 57%. However, for ease of application, printing efficiency and colour strength, the formulation with a binder concentration of 46% is recommended for printing, and curing under consecutive passes with gallium and mercury lamps at 120 W/cm is proposed in terms of energy efficiency and printing performance. Note de contenu : - EXPERIMENTAL : Materials - Methods
- RESULTS AND DISCUSSION : UV curing and pendulum hardness measurements
- Fourier transform infrared (FTIR) spectroscopy - Colour measurements - Crock fastness of printed synthetic leather samples - Martindale abrasion resistance measurements of printed synthetic samplesDOI : 10.1111/cote.12382 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12382 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32324
in COLORATION TECHNOLOGY > Vol. 135, N° 2 (04/2019) . - p. 111-120[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20869 - Périodique Bibliothèque principale Documentaires Disponible The effect on bending stiffness of drying leather under strain / E. J. Sturrock in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 86, N° 1 (01-02/2002)
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Titre : The effect on bending stiffness of drying leather under strain Type de document : texte imprimé Auteurs : E. J. Sturrock, Auteur ; Geoffrey E. Attenburrow, Auteur ; C. Boote, Auteur ; K. M. Meek, Auteur Année de publication : 2002 Article en page(s) : p. 6-10 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux -- Analyse
Cuirs et peaux -- Propriétés mécaniques
Cuirs et peaux de bovins
Distribution et orientation des fibres
Fibrilles de collagèneLa fibrille de collagène est une structure constituée d'un assemblage de fibres de tropocollagène (assemblage de 3 protéines de collagène alpha (alpha 1 - alpha 1 - alpha 2) en une hélice droite.
Flexion (mécanique)
Rigidité (physique)
Tannage au chromeIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Chrome tanned bovine leather has been dried under uniaxial strain and its relative bending modulus has been determined as a function of the amount of strain applied during drying and of the angle h between the test piece and the applied strain axis (long axis of sample). The orientation distribution of collagen fibres in the leather was also examined using wide angle X-ray diffraction at the Synchrotron Radiation Source at Daresbury. It was found that the bending modulus showed a marked dependence on both the amounts of applied strain and the angle h. This dependence could be understood in terms of the changes in fibre orientation caused by the action of the strain applied during drying. En ligne : https://drive.google.com/file/d/1Rz2BmW5Ts6-SUSDAetjFzo2iEagvlsTB/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40190
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 86, N° 1 (01-02/2002) . - p. 6-10[article]The effectiveness of selective breeding for reducing the incidence of the vertical fibre hide condition in heredord cattle / D. E. Peters in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXX (Année 1985)
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Titre : The effectiveness of selective breeding for reducing the incidence of the vertical fibre hide condition in heredord cattle Type de document : texte imprimé Auteurs : D. E. Peters, Auteur ; J. H. Dufty, Auteur Année de publication : 1985 Article en page(s) : p. 42-46 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Our work on the vertical fibre hide condition in Hereford cattle (1,2) has indicated that this condition is not controlled by genes at a number of separately segregating loci but is due to the presence, in a homozygous state, of either an autosomal recessive gene or a number of genes at tightly linked loci. As a result of this finding, we have examined the effect of various breeding programs on the frequency of the vertical fibre hide condition in a herd over a period of ten generations to determine if this is a practical method of reducing the incidence of the condition.
The selection programms considered for this purpose were:
1) the removal of all affected animals from the herd,
2) the removal of all affected sires only,
3) the use of known homozygous normal sires.
In the work described below, animals which show the condition, determined using techniques described previously (3), are considered to be homozygous, while those which are not affected are either heterozygous (carriers) or are homozygous normal (i.e having one or no gene for vertical fibre, respectively).Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9246
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXX (Année 1985) . - p. 42-46[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 008085 - Périodique Bibliothèque principale Documentaires Disponible The effects of alternating and direct electric currents on moderately halohilic bacteria in leather industry / Pinar Caglayan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 6 (11-12/2016)
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Titre : The effects of alternating and direct electric currents on moderately halohilic bacteria in leather industry Type de document : texte imprimé Auteurs : Pinar Caglayan, Auteur ; Meral Birbir, Auteur ; Ayse Ogan, Auteur ; Antonio Ventosa, Auteur ; Cristina Sánchez-Porro, Auteur ; Yasar Birbir, Auteur Année de publication : 2016 Article en page(s) : p. 307-313 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antimicrobiens
Bactéries -- Inactivation
Courants électriques
Cuirs et peaux -- Conservation
Cuirs et peaux de moutonsIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Proteolytic and lipolytic moderately halophilic bacteria, originate from salt, may be found on salted sheep skins. Microbial spoilage of sheepskin usually result a from the failure to inactivate proteolytic and Iipolytic micro-organisms during skin preservation. To solve this problem, an effective inactivation method to be used in the leather industry was examined in this study. Protease and lipase activities of moderately halophilic Staphylococcus saprophyticus subsp. saprophyticus (TR5), Bacilius pumilus (DB5), Bacillus licheniformis (DBA2), Gracilibacillus dipsosauri (EK2) and Idiomarina loihiensis (GA3), isolated from salted sheepskins, were examined : Protease activity of each test isolate was determined by bath gelatin agar medium and casein digestion assay at 280nm. Lipolytic activity of each test isolate was determined by bath Tween 80 agar medium and measuring hydrolysis of p-nitrophenylbutyrate to p-nitrophenol at 405nm. Antibiotic sensitivities of test isolates to novobiocin, penicillin G, tetracycline, streptomycin, erythromycin, tobramycin, kanamycin and gentamicin were tested using disc diffusion susceptibility method. These isolates were found to be proteolytic, lipolytic and resistant to aforementioned antibiotics. inactivation effects of direct electric currents and alternating electric currents (0.5A, 1.0A, 1: 5A and 2.0A) on the mixed culture of these isolates were separately examined in liquid medium containing 25% NaCl. The mixed culture was killed in 1 minute by 0.5A direct current and 1.5A affernating current treatments. However, 0.5A alternating current and 1.0A alternating current treatments eliminated these micro-organisms respectively in 15 minutes and 10 minutes. In conclusion, electric current applications hold great potentiel for the eradication of proteolytic and lipolytic, antibiotic-resistant, moderately halophilic bacteria in leather industry. Note de contenu : - EXPERIMENTAL PROCEDURES : Moderately halophilic bacterial isolates - Proteolytic and lipolytic activities of moderately halophilic bacteria - Antimicrobial susceptibility test - The electrochemical treatment system
- RESULTS AND DISCUSSION : Antibiotic resistanceEn ligne : https://drive.google.com/file/d/1694CJoD9Uwle2gArKMHAUoJyAkxmVqSI/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27666
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 100, N° 6 (11-12/2016) . - p. 307-313[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18546 - Périodique Bibliothèque principale Documentaires Disponible The english leather industry 1790-1990 : the case of Bevingtons of Bermondsey. Wolstenholme memorial lecture / R. S. Thomson in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 75 (Année 1991)
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PermalinkThe enzyme activity of trypsen on sheepskin trimmings in a two-step collagen extraction process / F. Fernandez-Hervas in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CII, N° 1 (01/2007)
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PermalinkThe evaluation of DBD plasma technique for removing carbon stain from leather artifacts / Muhammad El-Qubaisy in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 4 (07-08/2018)
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PermalinkThe evaluation of leather handle character using neural networks / Huang Xun in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 91, N° 4 (07-08/2007)
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PermalinkThe extraction and high performance liquid chromatography (HPLC) determination of TCMTB samples of treated wet blue / W. M. Fowler in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. N° 71 (Année 1987)
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PermalinkThe finishing of water-repellent leather / H. Träubel in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXVI, N° 3 (03/1991)
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PermalinkThe first John Arthur Wilson memorial lecture : Recent advances in knowledge of the structure of the collagen fibril and of the properties on the tropocollagen macromolecule / John H. Highberger in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXVIII, N° 4 (04/1993)
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PermalinkThe first one hundred years of commercial enzymes. Atkin memorial lecture / T. J. Cooper in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 73 (Année 1989)
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PermalinkPermalinkThe future of leather softening ? / Wolfgang Herrmann in LEATHER INTERNATIONAL, Vol. 212, N° 4804 (10/2010)
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PermalinkThe global shoe industry and America's place in it - Invited lecture / Fawn K. Evenson in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXVIII, N° 3 (03/1993)
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PermalinkPermalinkThe grouping of operations according to workplaces on the production line / M. Bugarski in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 78, N° 5 (09-10/1994)
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PermalinkThe heterogeneous interaction between sulpho-syntans and collagen. Part II : the parameter of sulpho-group binding / Z. Vinklà rek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 72 (Année 1988)
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PermalinkThe heterogenous interaction betwen sulpho-syntans and collagen, part IV : Experimental verification of polyelectrolyte complex formation / Z. Vinklà rek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74 (Année 1990)
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PermalinkThe history of tannery machines the splitting machine / W. Landmann in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 94, N° 2 (03-04/2010)
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PermalinkThe hydrolytic activities of two fungal species isolated from historical quranic parchment manuscript / Saada N. S. in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 3 (05-06/2018)
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PermalinkThe hydrophobic effect and its importance to collagen / M. Almela in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 76, N° 5 (09-10/1992)
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PermalinkThe ideal finish / A. W. Landmann in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 87, N° 3 (05-06/2003)
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PermalinkThe impact of air pollution controls on tannery operations / D. R. Corning in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 75 (Année 1991)
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PermalinkThe impact of aqueous polyurethanes on leather-finishing technology / F. A . P. Pulles in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXV (Année 1990)
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PermalinkThe impact of disease developments on trade in livestock products / Leonard W. Condon in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVI, N° 9 (09/2001)
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PermalinkThe impact of milling on leather properties and fatliquor distribution / Richard L. Edmonds in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 6 (11-12/2017)
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PermalinkThe impact of proteases on elastin in leather manufacture / Xu Bingbin in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 96, N° 3 (05-06/2012)
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PermalinkThe implementation of an environmental management system / H. Gilmour in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 79, N° 2 (03-04/1995)
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PermalinkThe implications of opening up / Amanda Michel in LEATHER INTERNATIONAL, Vol. 211, N° 4794 (10/2009)
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PermalinkThe importance of elastin distribution and morphology in ovine leather / Richard L. Edmonds in INDUSTRIE DU CUIR (IDC), N° 2012/03 (04-05-06/2012)
PermalinkThe importance of RSLs / BLC Leather Technology Centre in LEATHER INTERNATIONAL, Vol. 215, N° 4831 (06/2013)
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PermalinkThe improvement of dispersity, thermal stability and mechanical properties of collagen fibers by silane modification : an exploration for developing new leather making technology / Shuangfeng Xu in JOURNAL OF LEATHER SCIENCE AND ENGINEERING, Vol. 4 (Année 2022)
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PermalinkPermalinkThe inducement and modulation of collagen fiber on crystal morphology of calcium carbonate / Lihong Fu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIV, N° 6 (06/2009)
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PermalinkThe influence of additives on hot pressed leather 'pleather' / R. T. Markus in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74 (Année 1990)
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PermalinkThe influence of compensatory growth on certain hide and leather characteristics / J. F. de Bruyn in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. N° 71 (Année 1987)
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PermalinkThe influence of compensatory growth on certain hide and leather characteristics. Part II. Hide and leather yield and leather physical characteristics / Alan E. Russell in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 72 (Année 1988)
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PermalinkThe influence of fatliquor concentration on microwave drying kinetics / Z. Bajza in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 81, N° 6 (11-12/1997)
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PermalinkThe influence of first time drying on the characteristics and performance of leathers / Geoffrey E. Attenburrow in WORLD LEATHER, Vol. 18, N° 5 (08/2005)
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PermalinkThe influence of grain structure on grain crack properties of leather / L. G. Hole in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 63, N° 5 (09-10/1979)
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PermalinkThe influence of microwave non-thermal effect on leather properties in drying / Jinwei Zhang in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXII, N° 4 (04/2017)
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PermalinkThe influence of quantity of fatliquor offered and type of finish on the flex resistance of leather / H. W. Arnoldi in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 54, N° 9 (09/1970)
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PermalinkThe influence of research of leather's ecological properties on its products - Eco-design / Chen Jing in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 98, N° 6 (11-12/2014)
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PermalinkThe influence of salicyclic-metal compounds on the hydrothermal stability of collagen / Wang Ya-Juan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 92, N° 2 (03-04/2008)
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PermalinkThe influence of some enzyme preparations on components of skin / M. A. Urbaniak in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 57 (Année 1973)
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PermalinkThe influence of some parameters in leather degreasing on the lipolytic activity of lipase / Diana Ivanova in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 88, N° 4 (07-08/2004)
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PermalinkThe influence of surface active agents on the activity of proteolytic enzymes in the tannery / W. Pietrzykowski in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 54, N° 4 (04/1970)
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PermalinkThe influence of temperature and humidity on the moisture permeability of natural cattle leather / Zhong Anhua in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 104, N° 3 (05-06/2020)
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