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- This natural polymer is FAST hydrating dispersible guar gum. 这是一种快速溶胀型天然瓜尔胶多聚糖。
- Wool, an abundant natural polymer,is a kind of polyamide derived from cystine. 以天然生物高分子羊毛为载体制备了羊毛-钯络合物催化剂。
- Chitosan is an ideal microencapsulation material because it is a bio-degradable natural polymer without toxicity. 壳聚糖无毒、无害,易于生物降解,不污染环境,是一种理想的微胶囊壁材。
- Natural polymer used in liquor-making industry included amylum, cellulose, hemicellulose and protein etc. 制酒行业中应用的天然高分子有淀粉、纤维素、半纤维素及蛋白质等;
- The contents are involved with organic synthetical polymer flocculant, natural polymer flocculant and microbic flocculant. 内容涉及合成有机高分子絮凝剂、化学改性天然高分子絮凝剂和微生物絮凝剂;
- Research and application of natural polymer flocculant-chitosan and its ramifications on wastewater treatment are reviewed in recent years. 本文扼要介绍了国内近年来天然高分子絮凝剂壳聚糖及其改性产品在废水处理中的研究和应用情况。
- Chitosan, a natural polymer, is a partially deacetylated polymer of acetyl glucosamine obtained from the alkaline deacetylation of the chitin. 壳聚糖是一种天然高分子,是一种聚合物部分脱乙酰乙酰氨基葡萄糖从碱性的脱乙酰甲壳素。
- The properties of rabbit hair were changed by the means of modification of sericin with the fixation of natural polymer in the field of microwave. 采用天然高聚物作为固着剂,在微波场中对兔毛纤维与丝胶进行改性处理。
- Natural polymer flocculants-chitosan has advantages of material-abundant,nonpoisonous,biodegradable,low-priced,many scholars have paid attention to it. 天然高分子絮凝剂壳聚糖具有原料丰富、无毒、易于生物降解、价廉等优点,受到了国内外众多研究者的重视和开发应用。
- Absorbent: a high-quality flax linen lac for the production of natural polymer materials hydrophilic colloid, a strong-absorbent. 吸水性:亚麻紫胶是以优质亚麻籽为原料生产的天然高分子亲水胶体,聚有很强的吸水性。
- The research and progress in natural polymer water treatment agent were summarized and the mechanism of flocculation and the effect of magnetic field was analyzed. 本文综述了天然高分子水处理剂的研究过程和进展,分析了其絮凝过程机理,对磁场作用进行探讨。
- Lignin are natural polymers with inertness of reaction. 木质素是天然高分子聚合物,具有一定的化学反应惰性。
- SDJ2 fluid loss additive for oil well cementing is synthesized from water-soluble modified natural polymer HEC with suitable average molecular weight, and the properties of the grout contained SDJ2 is tested in laboratory. 选用合适平均分子量的水溶性天然高分子改性产物羟乙基纤维素(HEC)合成一种油井水泥降失水剂SDJ2,并对添加SDJ2的水泥浆的性能进行了室内评价。
- This paper introduces the present studies on the natural polymer flocculation agents modified by starch,chitosan,lignin and gum,and their applications in the wastewater treatment are summarized. 概括了以淀粉、壳聚糖、木质素和植物胶为原料改性而成的天然高分子有机絮凝剂的研究与应用概况,并对它们在废水处理中的应用和发展进行了综述。
- Silk fibroin, which is a good functional nature polymer, is very suitable for use as biomaterial and medical material. 丝素是一种性能优良的天然高分子,在生物、医药等很多方面有着广泛的应用。
- Since the amine group on the chain can act as chelation sites for metal ions, chitosan has already been described as a suitable natural polymer for the collection of heavy-metal ions. 在壳聚糖分子结构中存在大量游离氨基和羟基,是一种新型的配位体或螯合剂,主要用于捕集有毒重金属离子。
- Lower molecular weight carbohydrate are often obtained by depolymerization of the natural polymers. 低分子量碳水化合物,经常由天然多糖的解聚作用获得
- The modified polymer flocculant amylum and lignin are reviewed in detail and point out the development.Find a new way in make use of the nature polymer resource. 综述了淀粉和木质素两类天然高分子改性絮凝剂的研究进展,分别指出两类分散剂的研究方向,指出应充分利用这些天然高分子资源,从开发天然改性絮凝剂方面找到一条创新的道路。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。