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- PLASTICS. PRIMARY MATERIALS FOR POLYURETHANES. POLYESTERS, POLYETHERS AND ISOCYANATES. VISUAL ASSESSMENT OF COLORATION IN GARDNER UNITS. 塑料。聚氨基甲酸酯塑料。聚酯。聚醚和异氰酸盐。加德纳单位颜色目视法测定。
- Glyphosate was prepared using glycine, para formaldehyde and O, O-dimethylphosphite as primary materials in the experiment. 本文采用亚磷酸二甲酯路线合成草甘膦。
- Medical biomaterials introduced in this paper, some medical equipments applied to clinical operations and their primary materials are also discussed. 本文除对医用生物材料作了简要叙述外,还详述了一些被成功运用于临床的医疗装备及其制造材料。
- Roll\|forging is widely used on rolling rotatory parts.At present, it mainly machines primary parts, not final parts, and it cannot use primary materials efficiently. 辊锻是一种应用很广泛的回转体零件成形方法,但目前它主用用于粗加工,很少用于精成形,另外,辊锻加工材料利用率较低。
- Ionomer-type polyurethane emulsion was prepared from polyether or polyester, IPDI, dimethylol propionic acid (DMPA) and ethylene diamine as primary materials. 摘要以低聚物多元醇、异氟尔酮二异氰酸酯(IPDI)、亲水单体羟甲基丙酸(DMPA),乙二胺为主要原料,制备了一组不同组成的聚氨酯乳液。
- A series of aqueous polyurethane dispersions were synthesized with sulfonate group-containing polyester diol and IPDI as primary materials and DMPA as hydrophilic monomers. 以含有磺酸盐的聚酯多元醇和异佛二酮二异氰酸酯(IPDI)为主要原料,以二羟甲基丙酸(DMPA)为亲水单体制备了一组不同组成的聚氨酯分散液。
- Membrane separation is an efficacious separating technology,and ultra-high molecular weight polyethylene (UHMWPE) is one of the primary materials used in this field. 膜分离是一项高效的分离技术,超高分子量聚乙烯(UHMWPE)是应用于其中的主要膜材料之一。
- The results showed that the concentration of moistening agent,the quantities of several primary materials and drying terminal point had great effects on the quality of the troche. 结果表明,润湿剂的浓度、几种主要原料的用量、干燥终点等对保健型话梅润喉片的质量有较大的影响。
- The results showed that the concentration of moistening agent and the quantities of several primary materials had great effects on the quality of Gynostemma pentaphyllum buccal tablet. 结果表明:绞股蓝浸膏粉、甜味剂、清凉剂的用量及润湿剂的浓度等因素对口含片的质量有较大影响。
- The results showed that the concentration of moistening agent and the quantities of several primary materials had great effects on the quality of sugar-free Gynostemma chewing gum. 结果表明:绞股蓝浸膏粉、奶粉、微晶纤维素的用量及润湿剂的浓度等因素对无糖咀嚼片的质量有较大影响。
- The World Digital Library (WDL) makes available on the Internet, free of charge and in multilingual format, significant primary materials from countries and cultures around the world. 世界数字图书馆( WDL )提供在互联网上免费的,多语种形式,重要的原始材料的国家和世界各地的文化。
- Excepted the effects of process conditions and quality of primary materials, the cross-sectional areas of CFRP determines the failure mode and the ultimate bearing force of RC beams. 摘要 碳纤维复合材料(CFRP)加固钢筋混凝土(RC)梁的弯曲破坏模式和抗弯极限设计承载力除了与施工工艺及原材料质量等因素有关外,与CFRP的加固截面积有很大关系。
- The primary material was prepared in stearic acid medium or was from ultrafme TiO2 powder treated with acetic acid. 该起始性物质可在硬脂酸介质中制备,或将超细TiO-2粉体经醋酸处理。
- Health-care products which take Dendrobium candidum as the primary material had been developed. 并制定了人工栽培规范化种植规程。
- It was obtained with ethylenediamine and ethenesulfonic sodium as primary material through addition. 采用乙二胺和乙烯磺酸钠为主要原料,经过加成反应合成了乙二胺双乙基磺酸钠。
- The course will focus on an analysis of primary materials such as novels, memoirs, and films (in translation), art objects and material artifacts from the countries of East Asia. 本课程将着重分析 第一手资料 ,如小说、回忆录和电影(翻译版本), 艺术品 和来自东亚国家的文物。
- Discussion on the Ground Base Treatment Alternatives of the Primary Material Yard Along the Yangtze River of Nanjing Steel Co. 南钢江边一次料场地基处理方案探讨。
- The second partis the main study of primary material, resistance to water of oxychloridecement and technical characteristics. 第二部分主要从原材料、氯氧镁水泥耐水性能以及技术性能方面进行研究。
- The primary material of using shark-bone has prepared a seafood chilli with plenty of nutrition,by means of cooking at a high temperature. 用鲨鱼骨为主要原料,经高温蒸煮后制泥并调配成营养丰富的海鲜辣酱。
- With reproducible calcium lignosulfonate and PVA as primary material,the film of good mechanical properties was synthesized. 以可再生资源木质素磺酸钙和聚乙烯醇(PVA)为基料制备力学性能良好的木质素/PVA复合膜。