[n]Ferrocenophanes are the ferrocene derivatives of intramolecularly bridged, and strained [n]ferrocenophanes are potential monomers for ring-opening polymerization.
单桥二茂铁番化合物([n]ferrocenophane)是一类分子内架桥的二茂铁衍生物,张力结构的二茂铁番类化合物是开环聚合潜在的单体,能生成具有独特的氧化还原、电、光、磁等特性的金属有机聚合物。
The purpose is to feed cooked rice by inequable velocity twin screw feeding machine for single screw extruder, also to solve the problem of "bridge" when it feeds materiel to the single screw extruder.
目的是通过不等速双螺杆送料机构来为米线挤出机进行送料,较好地解决单螺杆加料时容易出现的“架桥"现象。
The construction of the bridge across Taiwan Strait has been studied for a long time andthe feasibility study that has attracted attention among scientists and engineers on both sides of the Taiwan Strait.
《科技导报》2004年第4期7～10页刊登了国家海洋局彭阜南与清华大学等专家和台大去美国的华裔学者方晓阳等专家联合发表的文章,以及参考文献[1-4]中所引术的内容,讨论在台湾海峡架桥和修筑隧道的可行性及相关问题。
Mechanical improvement of the second PVA crusher against bridging accident;
聚乙烯醇第二粉碎机“架桥”故障的机械改进
By analysing and researching the function of the feeding system and the structure feature, the method for solving the bridging problem of the feeding funnel is discussed, so as to seek the way for increasing the adaptability between the feeding screw and material based on the summary of various feeding device.
介绍同向平行双螺杆挤出机喂料系统的现状与发展,通过对同向平行双螺杆挤出机喂料系统功能与结构特点的分析研究,在总结国内外各种类型喂料机的基础上,探讨解决料斗架桥问题的方案,寻找提高喂料螺杆对物料适应性的途径,并自行设计了新型喂料系统,较好地解决了物料架桥问题。
Objective The paper has probed into the value on making use of dissociative transplantation of self-body splenic vein to treat portal hypertewnsion with cut off and bridging diversion in superior mesenteric vein-interior vena cava combined.
目的 探讨断流加自体脾静脉游离移植肠——腔静脉“H”架桥分流术治疗门静脉高压症的价值。
,sweep flocculation and bridging flocculation,is analyzed.
实验表明其絮凝机理是以吸附架桥为主。
Effect of bridging ligament within fully lamellar TiAl alloy;
全层TiAl合金架桥韧带的作用研究
Analyze and Forcast City Viaduct Traffic Noise;
城市高架桥交通噪声分析与预测
Design and optimization of Huanggang viaduct;
黄冈高架桥的设计与优化
Application of automatic installation machine in viaduct waterproofing project;
全自动卷材铺设机在高架桥防水工程中的应用