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采用抗紫外线涤纶低弹丝与抗菌纱线、吸湿排汗纱线等功能性纱线进行并合、交织,形成具有抗紫外线、抗菌、吸湿透气的多功能服用面料,阐述了这种织物的设计、织造工艺关键. 相似文献
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吸湿排汗与抗紫外线双重功能织物的开发 总被引:2,自引:0,他引:2
介绍了吸湿排汗与抗紫外线双重功能织物的意义,从织造工艺、染色工艺和后整理工艺等几个方面详细阐述了吸湿排汗和抗紫外线双重功能织物的开发,并对所得织物进行全面的功能性测试。得出该双重功能织物开发的关键是原料选择竹涤(80/20)混纺纱,织物组织结构选用珠地组织,以及织物的后整理的开发设计。 相似文献
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论对防紫外线面料和吸湿快干面料两种功能性面料分析基础上,开发出了一种防紫外线吸湿快干功能面料,利用抗紫外线涤纶和线性纤维涂层的吸湿快干性能得到了符合该功能面料各项指标要求的针织面料,并详细介绍了从上机工艺参数、染色和后整理的全过程,以及各个工艺过程所遇问题及解决方案。 相似文献
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针对当前吸湿排汗针织面料存在的诸多缺陷和问题,文章提出了4种基于多组分混纺/交织吸湿排汗针织面料的开发方案,并对其吸湿排汗形成原理进行分析研究;实现了面料由整体吸湿排汗功能向单向导湿快干功能的转化,开发的面料吸湿排汗、抗起毛起球性能良好,完全可以满足人们日益增长的吸湿排汗性能要求。 相似文献
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为了开发出具有吸湿排汗性能的防静电服面料,选用Coolplus/棉50/50混纺纱进行织造,对比了不同组织和密度的Coolplus棉混纺织物的吸湿速干性能,从中选择有利于提高面料吸湿速干性能的组织和密度,并介绍了该织物的关键技术与主要工艺参数的选择.最终生产出的面料不仅具有良好的防静电性能,而且具有较好的吸湿排汗性能,满足了设计要求. 相似文献
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抗菌、吸湿排汗纤维是新型的功能性纤维,该纤维抗菌及吸湿导湿性好、透气性佳。根据抗菌、吸湿排汗纤维混纺针织物的特点,介绍了该面料的染整工艺,并通过生产实践和工艺探讨,为进一步开发抗菌及吸湿排汗纤维混纺面料产品提供可参考依据。 相似文献
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F S Interesse G D'Avella V Alloggio F Lamparelli 《Zeitschrift für Lebensmittel-Untersuchung und -Forschung》1985,181(6):470-474
Following our study of the mineral contents of some Southern Italian wines, this work reports on the detection of 12 elemental components. The elements were determined using ICP-AES, flame atomic emission or absorption spectroscopy. The values determined for Li, Na, Mg, K, Ca, Rb, Sr and Ba were within the usual ranges for wines (average values for these elements were: 0.010, 26.2; 94.4; 888; 94.0; 3.30, 0.82 and 0.11 mg/l respectively). All the wines contained low levels of As, the concentrations of which were always under 0.20 mg/l, the maximum level permitted by E.E.C. standards. The measuring of Co, Ag, and Sb led us to ascertain, in all the wines, concentrations lower than 0.01 mg/l for Co and Ag and below the instrumental detection level for Sb (0.06 mg/l). In a previous study wines from D.O.C. areas of Southern Italy were analysed by the technique of inductively coupled plasma atomic emission spectroscopy (ICP-AES), for 14 minerals. This paper deals with further investigation of the mineral composition of the same wines for different metal constituents, analysed by ICP-AES, flame atomic emission, or atomic-absorption spectroscopy (two techniques). The first technique was applied to the detection of Co, As, Sr, Ag, Sb, and Ba. The alkaline metals Li, Na, K, and Rb were determined by flame atomic emission, a technique which possesses better detection limits for these elements. For Mg and Ca the atomic absorption methods were applied. 相似文献
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采用微波消解-电感耦合等离子体质谱法测定了41个牌号烤烟型卷烟和雪茄烟样品烟丝中的锂、铬、镍、铜、砷、硒、钼、镉、铊和铅含量,并按照类型和价位对卷烟中这10种有害元素含量进行了统计分析。结果发现:①卷烟中锂和铜的含量较高,铊的含量很低,铬、镍、镉、铅、砷、硒和钼7种元素的平均含量为0.55~4.42μg/g;②雪茄烟中铬、镍、砷、钼、镉、铊和铅的含量一般高于烤烟型卷烟,而硒元素的含量则相反,但差别较小;烤烟型卷烟中锂和铜的含量与雪茄烟没有显著差异;③高档卷烟中的锂、镍、镉、铊和铬含量较低,而砷、铅的含量较高;不同价位卷烟的铜、硒和钼含量差异不显著。 相似文献
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采用高压结合酶法处理凡纳滨对虾的虾蛋白、虾仁泥(虾肉)和虾仁,获得3 种低敏虾制品;采用酶联免疫吸附法检测3 种虾制品的过敏原性,采用全身性过敏反应(过敏性休克模型)及致敏离体回肠平滑肌收缩实验(Schultz-Dale反应)检测3 种低敏虾制品的致敏性,以分析体内与体外方法检测虾制品致敏性的差异性。结果显示:处理前的3 种原料过敏原性极高。经高压结合酶法处理的虾蛋白、虾肉和虾仁的过敏原性分别消减97.0%、94.1%和94.5%。而在动物实验中(以磷酸缓冲盐溶液为阴性对照,未处理虾蛋白为阳性对照,以豚鼠为受试对象),未处理虾蛋白组的过敏反应发生率与死亡率均为100%,3 种低敏虾制品的过敏反应发生率也为100%,死亡率分别为16.7%(虾蛋白产物)、50%(虾肉产物)和83.3%(虾仁产物)。致敏的离体回肠受到3 种低敏虾制品攻击后,收缩力也明显增强,分别达到376.9%、766.2%和1 004.4%。上述结果表明,对高压结合酶法制备的低敏虾制品过敏原性的检测,体外检测与体内检测存在一定的差异性。 相似文献
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1997 UK Total Diet Study dietary exposures to aluminium, arsenic, cadmium, chromium, copper, lead, mercury, nickel, selenium, tin and zinc 总被引:4,自引:0,他引:4
Gillian Ysart Patrick Miller Michelle Croasdale Helen Crews Paul Robb Malcolm Baxter Christian De L'Argy Nigel Harrison 《Food Additives & Contaminants》2000,17(9):775-786
Concentrations of aluminium, arsenic, cadmium, chromium, copper, lead, mercury, nickel, selenium, tin and zinc were determined in samples from the 1997 UK Total Diet Study and used to estimate dietary exposures of the general UK population. Population average dietary exposures to aluminium (3.4mg/day), arsenic (0.065mg/day), cadmium (0.012mg/day), chromium (0.10mg/day), copper (1.2mg/day), mercury (0.003mg/day), nickel (0.13mg/day), tin (1.8mg/ day) and zinc (8.4mg/day) are similar to those from previous UK Total Diet Studies and are below the appropriate PTWIs, PMTDIs and TDIs. Dietary exposure of the UK population (0.026 mg/day) to lead is falling as a result of measures taken to reduce lead contamination of the environment and food and is well below the PTWI. There has been little change in UK estimates of selenium exposure since the 1994 Total Diet Study but current estimates (0.039mg/day) are lower than those derived from earlier Total Diet Studies. 相似文献
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H. Henschel 《Molecular nutrition & food research》1979,23(2):192-192
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利用动态顶空制样-热脱附-气相色谱-嗅闻-质谱联用技术,结合气味活度值(odor activity value,OAV)以及感官评价,对不同贮藏时间(0、7、14、21、35、49、77 d)的风干肠挥发性风味物质进行检测,分析贮藏过程中各类挥发性物质变化情况,并对造成异味的主要物质进行鉴别。结果表明:不同贮藏时间的样品中,分别检出挥发性风味物质59、56、63、58、73、68、71 种,主要为酯类物质;随着贮藏时间的延长,风干肠样品色泽变黑,失去光泽,异味逐渐增加,可接受度降低,其中有21、21、17 种风味活性物质分别与感官评价中色泽、风味、可接受度评分显著相关;经过OAV分析以及气相色谱-嗅闻鉴定,辛酸乙酯、1-辛烯-3-醇、正己醛、庚醛、正辛醛、壬醛、反,反-2,4-癸二烯醛可能是造成风干肠异味的主要物质。 相似文献
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