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将学生在英语写作时常出现的替代词误用的情况，归纳为6种类型进行了分析。包括：混淆可数名词和不可数名词，混淆特指代词和泛指代词，误......
在研制葡萄糖酸钠粉剂和水剂产品项目的基础上，结合已成熟应用于生产的催化氧化技术，采用舍有一定糖分的古龙酸废母液为原料，制备出混......
通假字是汉字使用上一种特殊的同音替代.通假字反映的是文言文,反映的语言是上古音,只有同音才能通假,通假字字义也有其特点.......
介绍了制冷剂R22的替代工质R407C的研究现状,指出新工质的替代应以实验研究为主,并从安全性、热力学性能、传热性能及应用等方面进......
含铅颜料是主要的铅污染源。介绍了国外含铅颜料代用品的开发情况，它们是新型无毒防锈颜料、正确调整的有机颜料、金红石型混相颜料......
通过引入统计学中的"距离"概念和相似性评价方法,有效地提高了替代工质研究中替代物初选过程的工作效率并避免遗漏.选取临界压力Pc......
This study evaluated the capability of hydroxyapatite fiber (HAF) as a carrier and the bone formation by blending simvas......
Purpose: Bone grafting is still requested to fill bone defects in traumatology, or after tumor removal, but also in orth......
The skin is the largest organ of the individual, being the interface between the body and the microenvironment. In sever......
Purpose: To investigate the periapical tissue response after root end filling with intermediate restorative material (IR......
Multilevel lumbar fusion usually requires a large quantity of iliac crest bone graft but the supply is usually insuffici......
Does the Animal Origin Influence the Calcification of Xenograft Tissue Heart Valve Substitutes? Comp
Objective: To validate the hypothesis that camel pericardium could be more protected than bovine pericardium against cal......
随着WTO组织对关税减让的推进，反倾销政策作为保护被倾销国国内企业的一项重要手段越来越广泛地被各国采用。本文建立了两国古诺博......
Bone regeneration is a complex,well-orchestrated physiological process of bone formation,which can be seen during normal......
对聚氨酯硬泡工业CFC发泡剂的4种替代路线和最新进展作了简单综述....
我国正在制定《清洗行业整体淘汰ＯＤＳ计划》，一旦多边基金执委会批准该计划并提供相应的赠款资金支持，我国政府将全面开发淘汰ＯＤＳ清洗剂的工......
Bone graft substitutes are widely used in the field of orthopedics and are extensively used to promote vertebral fusion.......
Human milk fat(HMF)is an important source of nutrients and energy for infants.Triacylglycerols(TAGs)account for about 98......
