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本文比较集中地介绍了国外香荚兰产业发展的历史背景及香荚兰豆品质评价的现状及发展趋势。倾力想让更多的中国人走近香英兰豆、了解香荚兰豆、应用香荚兰豆,为中国人的生活献上一份魅力无限的芬芳。 相似文献
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奥地利兰精公司与印度Modi公司将在印度建设年产能力为8万吨的粘胶纤维合资企业。此合资企业所产的粘胶短纤维将用于纺织品和非织造织物。首期年产能力为8万吨,其初步投资概算(包括流动资金在内)为2亿美元,预计在2010-2011年期间投产。 相似文献
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介绍了印度耐火材料市场的现状及发展前景,重点关注钢铁和水泥行业的情况。还介绍了印度耐火材料工业的发展现状,如耐火原料资源情况、耐火材料工业生产、进出口以及耐火材料生产企业,在此基础上分析了印度耐火材料工业当前的任务和未来发展前景。 相似文献
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在分散翠蓝S—GL中加入分散翠蓝S—BBL使混合后的分散染料的强度和提升率有较大提高。当分散翠蓝S—BBL的加入量由5.60%升高到16.33%时,拼混染料的强度由123升高至224;染色提升率由4%提高至7%,对pH值稳定:混合染料在聚酯纤维上的各项牢度与分散翠蓝S—GL相当或略高。 相似文献
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Petr Baldrian Vra Merhautov Jií Gabriel Frantiek Nerud Pavel Stopka Martin Hrubý Milan J. Bene 《Applied catalysis. B, Environmental》2006,66(3-4):258-264
Heterogeneous catalysts based on magnetic mixed iron oxides (MO·Fe2O3; M: Fe, Co, Cu, Mn) were used for the decolorization of several synthetic dyes (Bromophenol Blue, Chicago Sky Blue, Cu Phthalocyanine, Eosin Yellowish, Evans Blue, Naphthol Blue Black, Phenol Red, Poly B-411, and Reactive Orange 16). All the catalysts decomposed H2O2 yielding highly reactive hydroxyl radicals, and were able to decolorize the synthetic dyes. The most effective catalyst FeO·Fe2O3 (25 mg mL−1 with 100 mmol L−1 H2O2) produced more than 90% decolorization of 50 mg L−1 Bromophenol Blue, Chicago Sky Blue, Evans Blue and Naphthol Blue Black within 24 h. The fastest decomposition proceeded during the first hour of the reaction. In addition to dye decolorization, all the catalysts also caused a significant decrease of chemical oxygen demand (COD). Individual catalysts were active in the pH range 2–10 depending on their structure and were able to perform sequential catalytic cycles with low metal leaching. 相似文献
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通过测定活性艳蓝KN-R和直接湖蓝5B的毒性与相关研究的对比,说明用酵母的复制寿命作为染料毒性测试的新方法是可行的.另外,对不同浓度活性艳蓝KN-R的毒性进行测定,并通过统计酵母细胞不同的寿命终结类型的数目对其致癌、致畸效应进行评价.研究结果表明活性艳蓝KN-R溶液浓度越大,其毒性越大,致畸、致癌效应越强. 相似文献
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探讨了纯碱和氯化钠用量、染料浓度对微胶囊分散蓝2BLN/活性染料(活性蓝KN-R、活性深蓝B-2GLN和活性蓝K-3RL)一浴法染色大豆/PTT混纺织物表观色深K/S值的影响,测定了不同染色工艺对染色织物牢度的影响.结果表明:当染料总用量为2%(o.w.f.),纯碱用量1g/L,氯化钠用量20 g/L,95℃条件下保温30分钟时,可使大豆/PTT混纺织物获得较高的表观色深. 相似文献
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Poly(lactic acid)(PLA)/cellulose nanocrystal nanocomposite fibers were prepared by electrospinning at elevated temperature. Columbia Blue, a nonionic hydrophobic dye with a molecular weight and partition coefficient that mimics a systemic agrichemical, was incorporated into the fibers as a model compound. The release of Columbia Blue into water displayed little burst release. Diffusion‐controlled release of Columbia Blue was significantly influenced by the hydrophobicity of the electrospun PLA nanocomposite fibers and followed Fickian diffusion kinetics. The release of Columbia Blue by degradation‐controlled mechanism followed zero‐order, time‐independent Case II kinetics (n = 1.0). Increasing cellulose nanocrystal content in the fibers increased the fiber degradation rate and the Columbia Blue release rate. The plasticizing effect of Columbia Blue on the thermal properties of the electrospun nanocomposite fibers showed the miscibility of Columbia Blue inside the electrospun nanocomposite fibers. A greenhouse trial confirmed the anticipated trends of higher pesticide dosage causing higher whitefly mortality percentage. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2013 相似文献
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报导了制备纳米普鲁士蓝的方法,对普鲁士蓝溶液的聚集过程、光照稳定性、热稳定性和化学稳定性进行了系统的研究。 相似文献
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The fading characteristics of the AATCC Blue Wool L2 and L4 lightfastness standards were examined from the standpoint of wavelength sensitivity. Experiments were carried out by exposing a specimen to a narrow monochromatic band isolated from the dispersed polychromatic light emitted by a Xe lamp source. The wavelength sensitivity characteristics of Blue wool L2 and L4 lightfastness were determined on a radiant energy basis. Both Blue Wool Standards displayed peak maxima at 245 and 294 nm. The results indicated that UVA and UVB had a significant fading effect, whereas visible light caused fading to a small extent. Specific wavelengths caused Blue wool to significantly fade, suggesting that the total irradiated UV energy may not be an appropriate index. In addition, their spectral reflectances did not directly explain these characteristics of the standards. 相似文献
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本文介绍了活性艳蓝KN-R、活性翠蓝KN-G的结构,染色特征值S、E、R、F值,染料的耐盐碱性,与纤维素纤维和水的反应历程.分析了产生色点色花的主要原因.提出了解决染色中出现色点和色花的方法. 相似文献