Synthesis of SiO_2/ P ( AA-AM) Core/ Shell Hybrid Material Using Acrylic Acid as Coupling Agent The compound of acryloyl chloride was synthesized by benzoyl chlorid and crylic acid. 以丙烯酸为偶联剂制备二氧化硅/聚丙烯酸-丙烯酰胺复合材料利用苯甲酰氯与丙烯酸反应制备丙烯酰氯。
The status and development tendency of outer and core materials in compound roll and their interface are described. 论述了高速钢复合轧辊外层及芯部材质以及复合界面的研究现状及发展趋势;
In this paper, the hardware constitution, software module, core process technique including connected area disposal for character recognition, infielder subdivision arithmetic for azimuth orientation and compound of overall reading of system are emphatically introduced. 文中重点介绍了系统的硬件框架组成、软件模块结构、字符识别的连通域处理算法、刻线精确定位的内插细分算法以及系统总读数的合成。
The core of the theory in ecological construction is the basic frame that is constructed by the theorise of the society economy nature compound ecological system, the system ecology, sustainable development and synchronous construction. 生态建设理论的核心是社会经济自然复合生态系统理论,系统生态学理论,持续发展和同步建设理论三个方面的基本构架。
Core test shows that the compound bacteria can greatly enhance oil recovery, improve the physical property of crude oil in porous media, and therefore decrease the viscosity, oil/ water interfacial tension, pH and wax content of crude oil obviously. 岩心试验表明,复合菌能显著提高采收率,并能在多孔介质中改善原油物性,使原油黏度、油水界面张力、pH值及蜡含量明显降低。
The core technology of tissue engineering is utilize the suitable seed-cells compound with organic materials to build a cartilage-like tissue in vitro or in vivo, this tissue must be similar with hyaline cartilage in forms, structure and behavior. 软骨组织工程的核心技术就是利用合适的种子细胞复合生物材料,在体内或体外构建与人关节透明软骨形态、结构、性能相似的软骨样组织,用于软骨移植。
The forming of spatial system of human-environment relation as the core of study of geography takes the stability of center of research subject of geography as historical basis and the compound of fundamental concepts of geography as logical grounds. 人地关系地域系统是地理学的研究核心的确立是以对地理学研究课题的中心的稳定性问历史根据,以对地理学基本概念的复合为逻辑根据的。
Stability Property of Acid-resistant Core Bar of Compound Insulators 复合绝缘子耐酸芯棒的稳定性能
Whether natural core or artificial core, only when balanced interfacial tension of compound system attains 10~ 3mN/ m, the magnitude that the system enhances recovery efficiency is over than 20%, which satisfies the system of requests of enhanced recovery efficiency; 无论对于天然岩心还是人造岩心,仅当复合体系的平衡界面张力达到10~(-3)mN/m时,体系提高采收率的幅度大于20%以上,满足复合体系提高采收率的要求;
Set forth substance flow of electron commerce exist question from come into being, actuality and content, Disquisition step up compete force of substance flow corporation from core operation compete force, client relation manage, individuation design, compound send-off and serving much way. 本文从物流的产生、现状、研究的内容等方面阐述电子商务物流存在的问题,从核心业务竞争力、客户关系管理、个性化设计、物流配送和多元化服务等方面研究如何提升物流企业竞争力。
Based on the location of core point, fingerprint images were classified by using structural classification and were matched by using graphical matching. The core point method was combined with neighborhood matching approach and a new compound matching approach based on fuzzy discrimination was presented. 根据中心点的位置,通过结构分类的方法对指纹进行分类,接着采用了图形匹配的方法进行匹配,提出了中心点二次定位的匹配方法,结合模糊判别的方法提出新的复合指纹匹配方法。
During the last decade, a variety of new wall materials are popularized, such as low-density concrete masonry, architectural insulated core panels, reinforced wood wall framework, concrete hollow block, steel structure and all kinds of compound wallboards. 近十年来,各种墙体新材料得到普及和推广,例如低密度混凝土砌块,建筑夹芯板材,加固木墙结构,空心混凝土砌块,钢结构和各种复合墙板。
In chapter 4, with regard to the structure characteristics of honeycomb core part, a global G1 continuous compound surface model construction method is presented from the point of view of surface continuity and manufacturability. 第四章首先针对蜂窝芯零件的结构特点,从曲面整体连续性和可加工性的角度出发,提出一种带有复杂过渡区域的组合曲面整体G~1连续模型的建立方法。
The mechanism of formation and structure of the iron core of horse spleen ferritin have been discussed by comparison of Mossbauer spectra of native ferritin, ferritin with a synthetic iron core and a model compound. 比较了天然和人工重合成铁核的马脾铁蛋白以及模拟化合物的穆斯堡尔谱,由此探讨了铁蛋白分子内腔铁核的结构和形成机制。
New definition of the model of compound fuzzy game was given in this paper, we call the model as generally compound fuzzy game. Moreover the fuzzy stable set and the fuzzy core of the generally compound fuzzy game were studied in detail. 定义了一种新的合成模糊对策模型,文中称之为一般化合成模糊对策模型,并研究了这种模型的模糊稳定集和模糊核。
The head identified as a functional category can not only satisfy the requirement of the Right Hand Head Rule, but also preserve its core information such as theta and category in the compound actually. 将核心确认为功能范畴,不仅可以满足复合词的右向核心规则,而且可以让核心的信息真正地在复合词中得到保留,如题元信息、范畴信息等。
A projection of advanced three times pouring two times compounding is used to resolve the technical problem of the low tensile strength in the compound layer and core of high chromium compound cast iron rolls. 采用先进的三次浇注二次复合的轧辊生产工艺,解决了高铬复合铸铁轧辊结合层及芯部强度低的技术难题;
When the rigid core is long enough, the complex can have liquid crystal properties even if terminal chain is H.This is the first organometallic liquid crystal compound without soft terminal chain. 当刚性实达到一定长度时,末端为H原子也具有介晶性&这是第一个无柔性末端链的金属有机液晶化合物。
Chapter Five, the core of this thesis, endeavors to interpret the lexicalization of English compound nouns within the framework of the Conceptual Integration Theory. 第五章是全文的核心,主要以概念整合理论为视角,阐释英语复合名词的词化过程。