您要查找的是不是:
- chemically modified cotton 化学变性棉
- Light yellow color high viscosity chemically modified guar derivative. 浅黄色高黏度,化学改性瓜尔胶的衍生物。
- Extraction methods of natural lac dye as well as its application to silk and cation modified cotton are discussed. 介绍虫胶染料的几种提取方法,及其在丝和阳离子改性棉上应用的研究进展。
- Now, researchers have genetically modified cotton to produce seeds with little or no gossypol. 现在,研究者已经研制出转基因棉花,它所结棉籽的棉子酚含量很少,甚至不含这种毒素。
- Solubility in trich1oromethane tetrachloromethane and carbon sulfide of the chemically modified SWNTs enhanced in comparison with the control (without modification). 经过该方法修饰的碳纳米管在三氯甲烷、四氯化碳和二硫化碳等有机溶剂中有较好的溶解性。
- The purpose of this research was to evaluate the thermal properties and decay and termite resistance of chemically modified wood. 摘要本研究旨在探讨木质材料经化学改良后之耐燃性、耐腐朽性与抗白蚁性。
- Through the separation, lignosulfonate with narrow molecular weight distribution was obtained and then chemically modified. 通过对木质素磺酸盐进行分离,得到分子量分布较窄的木质素磺酸盐。
- CHN was chemically modified by etherifying the hydroxymethyl to introduce dodecanyl groups and using benzaldehyde to protect NH_2 groups . 对CHN进行化学改性研究,通过醚化反应在CHN分子中的C-6位置引入疏水性十二烷基,并通过西佛碱反应以苯甲醛保护氨基。
- The process conditions were optimized by orthogonal expts. for rare earth element (REE) pre-mordant and post-mordant dyeing of modified cotton fabrics with Radixet Rhizoma Rhei (RRR) dye. 摘要通过正交试验,优化出大黄用于改性棉织物稀土预媒、后媒染色的最优工艺条件。
- A preconcentration on TOPO chemically modified electrode-graphite furnace AAS method has been developed for the determination of trace antimony in water samples. 本文研究了三辛基氧化膦(TOPO)学修饰电极预富集石墨炉原子吸收法测定水样中痕量锑。
- Solubility in trichloromethane、tetrachloromethane and carbon sulfide of the chemically modified SWNTs enhanced in comparison with the control(without modification). 经过该方法修饰的碳纳米管在三氯甲烷、四氯化碳和二硫化碳等有机溶剂中有较好的溶解性。
- It was found from the researches that the adsorption isotherms of the modified cotton fabrics belonged to Langmuir type, and that of the non-modified ones belonged to Freundlich type. 研究发现,改性后棉织物的吸附等温线为朗缪尔型,而未改性织物的为弗莱因德利胥型;
- Polyacrylamide gel electrophoresis and thin layer chromatography have been used to analyzethe composition of protein and lipid in chemically modified keratin fibres. 本文采用聚丙烯酰胺凝胶电泳和薄层色谱,对经过化学改性处理后的角蛋白纤维中的蛋白质和脂类组成进行了分析。
- To take the most advantage of enzyme treatment method, the natural L-asparaginase could be chemically modified, entrapped or immobilized into/onto other carriers. 为了最大限度地发挥酶疗法的优势,可以对天然酶进行化学改性、包埋或固定化。
- Most separations are based upon partition mechanisms utilizing chemically modified silica as the stationary phase and polar solvents as the mobile phase. 绝大多数分离是基于分配的机理,使用化学修饰的硅胶为固定相,溶剂为移动相。
- In the thesis, hyaluronan (HA) was chemically modified with adipic dihydrazide (ADH), forming the HA-ADH film.The structure and capability of HA-ADH were characterized. 本论文以透明质酸(HA)为原材料,用己二酸二酰肼(ADH)将HA进行化学修饰,制备HA-ADH,以及对HA-ADH的结构和性能进行表征。
- The preparation and electroanalytical application of chemically modified electrode are reviewed in detail in this paper.Its future research progress are also prospected. 本文较详细地评述了化学修饰电极的制备方法及其电分析应用,对其未来发展作了展望。
- However, when DAGs are chemically modified by enzymes called diacylglycerol kinases, T cells become tolerant or unresponsive to foreign substances and to self. 但是有些T细胞处于未激发状态,这一过程保护免疫细胞自身和其它正常细胞不受攻击。
- Cotton cloth is made in a cotton mill. 棉布是由棉纺厂生产的。
- Fluorescence microscopy was used to study the morphology of the SBS modified asphalts.The asphalt chemically modified by SBS showed tow interlocked continuous phases. 试验结果表明,反应性SBS改性沥青的热储存稳定性显著提高,同时使用性能明显改善。