查询词典 composite
- 与 composite 相关的网络例句 [注:此内容来源于网络,仅供参考]
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First, it analyzes the background of the economy system and reform of the establishment of composite peasant households financing mechanism; defines the goal that build composite peasant households financing mechanism under the condition of uncertain market system; proposes a basic idea of innovation of peasants households financing mechanism at economy transition period, and outlines the frame content of composite peasant households financing mechanism. Composite peasant households financing mechanisms requests: peasant households which are enterprise management as financing main body, innovative financing means as a core, the market mechanism as a means. Our country must gradually establish a peasant household financing decision-making mechanisms and risk-control mechanisms, and create a favorable environment and conditions for peasant household.
首先分析了经济转型期复合型农户融资机制建立的经济体制背景和改革背景;明确了在市场体系还不够健全的条件下,构建复合型农户融资机制的目标定位;提出了经济转型期农户融资机制创新的基本思路,并勾勒出了复合型农户融资机制的框架内容;复合型农户融资机制应当以企业化经营的农户为融资主体,以创新融资方式为核心,以市场调节机制为手段,逐步建立农户融资决策机制和风险控制机制,并为农户融资创造一个良好的环境条件。
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By fitting of experimental data of concrete beams with 2-D composite cracks based on the fictitious crack model, mathematical expressions for parameters α and β in the 2-D composite inteneration equations for Ⅰ-Ⅱ,Ⅰ-Ⅲ, and Ⅱ-Ⅲ composite cracks are obtained, and based on the expressions, 2-D composite inteneration curves under different proportions of two stress intensity factors, that is under different weights, at the ends of 2-D composite cracks can be directly derived.
作者中文名:邵勇;王向东摘要:基于虚拟裂缝模型,通过对混凝土二维复合型裂缝梁试验数据的拟合,得到了ⅠⅡ,ⅠⅢ,ⅡⅢ3种二维复合型软化方程中参数α,β的数学表达式。据此表达式可直接求得二维复合型缝端2个应力强度因子之任意比值下混凝土二维复合型的软化曲线。
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As the widely used resin matrix and composites, two kinds of epoxy matrix and its CF/epoxy composite and GF/composite have different mechanics property under different temperature. The result shows that the thermal property of the composite mainly depends on the matrix. If the matrix can resist high temperature, its composite can also have high strength under high temperature. resin matrix composite, thermal resistance, thermal deformation coefficient, severity retentivity ratio
多年来 ,人们一直致力于耐高温复合材料的研究工作,在耐高温树脂中能经受长期高温氧化的热固性树脂只有聚酰亚胺,本文主要研究三种树脂基复合材料在不同温度下的性能,即以聚酰亚胺为基体的复合材料以及两种环氧基复合材料在不同温度的性能。2 实验2 。1 材料选择研究中所用的增强材料选用英国考陶尔兹公司T30 0型碳纤维和进口UM - 40碳纤维以及南玻院S2高强玻璃纤维
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The primary studying works and characteristics:1 To summarize reinforcing theory of cement mixing pile composite foundation2 To analyze the primary mechanics characters and changing rules of cement mixing pile, based on analysis of test data both indoor and outdoor.3 To discuss siding frictional resistance, ending resistance, ultimate bearing capacity of simple mixing pile and effectiveness factor of grouped piles, loading ratio of soil between piles under cushion cap of grouped piles and stress ratio of pile and soil and so on, and use many computation method and experimentation method to ensure bearing capacity of mixing piles composite foundation.4 To point out and analyze eight sides flaws and problems of the bearing capacity calculation method of mixing pile compositefoundation which ensured by national and normative method/ formula.5 To apply test results of loading tests and a few settlement observation data, use gray theory to predicate ultimate bearing capacity of deep mixing piles, actual example demonstrate engaging between theoretical predicted value and actual value.6 To apply groovy layerwise summation method to discuss entity piles method, double foundation method, equivalent layerwise summation method and consolidation theoretical method and so on, especially by combination of engineering example, use FEM to calculate or discuss the settlement and changing rules of composite foundation.7 To discuss problems of critical length of composite foundation by combination of engineering example and numerical analysis method, and analyze the contrast of critical length between simple pile load and most area load of composite foundation, not only critical length of composite foundation is relative to modulus ratio between piles and soil, but also upside load distribution area of composite foundation.
主要的研究工作与特色为:(1)总结了水泥搅拌桩复合地基的加固原理;(2)在对室内外试验资料进行统计分析的基础上,系统分析了搅拌桩水泥土的主要力学特性及其变化规律;(3)探讨了搅拌单桩的侧摩阻力、端阻力、极限承载力及群桩效率系数、群桩承台下桩间土荷载分担比及桩土应力比等,提出用多种计算方法并结合试验方法来综合确定搅拌桩复合地基的承载力;(4)明确指出和分析了按国家有关规范的方法确定搅拌桩复合地基承载力所存在的八个方面的缺陷与问题;(5)利用过去没有加载至破坏阶段的载荷试验成果和较少的沉降观测数据,尝试了用灰色理论预测深层搅拌桩的极限承载力,实例表明理论预测值与实测值吻合较好;(6)在常规分层总和法的基础上,探讨了复合地基沉降计算的实体墩基法、双层地基法、等效作用分层总和法、固结理论法等,特别是结合工程实例,用有限元数值计算等方法计算和讨论了搅拌桩复合地基的沉降及其变化规律;(7)结合工程实例,用数值分析方法探讨了复合地基临界桩长的问题,指出和分析了单桩荷载下的临界桩长与复合地基大面积荷载下的临界桩长存在很大的差别,复合地基的临界桩长不仅与桩土模量比有关,而且与复合地基上部荷载分布面积有关。
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Compared with the Epoxy resorcinol-formaldehyde resin pretreatment system and Maleic anhydride pretreatment system developed by Xusigui, the 40% carbolated styrene-butadiene latex system can keep the composite"s properties and reduce the cost of pretreatment and simplify the pretreatment technology; especially to the HST 2073 latex system, the composite"s mechanics properties are improved greatly. Secondly, the composite"s comprehensive properties and interface performance are improved by reinforced with short fiber grafted with rubber in the surface. Thirdly, to simplify the production technology of composite, we add TKM-M and RF-90 as adhesive agent to the composite blended in an internal mixer, so as to the composite can be used to industry widely, then the effect of the amount adhesive agent on the composite"s properties and interface adhesive performance was studied, from the experiments the optimum amount of adhesive agent was deduced.
其中采用特软羧基丁苯胶乳预处理短纤维的方案,降低了预处理成本,相对许泗贵的低分子环氧和马来酸酐体系来说,预处理工艺大大简化了,而材料的力学性能保持良好,尤其是 HST 2073A 胶乳预处理体系,力学性能有较大幅度的提高;第二,通过对尼龙短纤维表面进行接枝橡胶分子链预处理,改善了复合材料的界面粘合性能,复合材料的综合性能也得到了相应的提高;第三,为了简化复合材料的生产工艺,使复合材料的应用得到工业化推广,我们选用TKM—M和RF—90长效增粘剂,直接加入短纤维橡胶复合材料中,采用密炼工艺,探讨了增粘剂的用量对复合材料界面粘合以及性能的影响,得出了增粘剂在复合材料中的最佳用量。
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Cu-C composite is one of the most potential materials for pantograph slide plate, which is an important component of pantograph system in locomotive. The principle of wettability between Cu and C was investigated in this paper. The element of Mo was selected to improve the wettability between Cu and C. The fabrication process of cold compression sintering fiber reinforced Cu-C composite and its effect on the composite property were studied. The wear and friction mechanism of Cu-C composite was investigated initially by electriferous friction test.
Cu-C材料是目前最具应用前景的电力机车受电弓滑板用材料之一,本文研究了Cu与C之间的润湿原理,利用Mo元素有效改善了Cu与C之间的润湿性;并对冷压烧结法制备纤维增强Cu-C复合材料的工艺过程及其对性能的影响进行了研究;通过带电摩擦试验对Cu-C复合材料带电摩擦磨损机理进行了初步探讨。
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The results show that the composite coating is metallurgically bonded to the substrate and the microstructure is fine and uniform. The hardness of the composite coating is up to 400 HV, which is 2.5 times that of the substrate. Under room temperature and oil lubrication condition, the sliding wear tests indicate the friction coefficient and weight loss of the composite coating are smaller than those of substrate. The worn surface of the composite coatings is much smoother than that of the substrate, without grooves and crater.
结果表明,复合材料涂层与基体形成良好的冶金结合,微观组织细小、均匀;复合材料涂层硬度达400HV,约为基体的2.5倍;在室温油润滑条件下,滑动磨损试验表明复合材料涂层摩擦系数和失重均小于基体,磨损表面划痕较浅且平滑,无明显的犁沟、粘着、剥落现象;激光表面合金化显著提高了材料的耐磨性。
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Study the bioactivity of the n-HA/PA66 composite and the effects it would be to body's metabolism of calcium and phosphorus ion in vivo.(3) Study the osteo-conductivity and the ability to repair bone defect of the porous n-HA/PA66 composite and the feasibility use it as the scaffold of bone tissue engineering. Objects and Methods as follows: 1.To evaluate the biocompatability of nano-hydroxyapatite crystals and polyamide composite (n-HA/PA66) with the L929 cells.To proceed the morphological observation and take pictures of L929 cells after 1d,2d,4d,and 7d of co-cultured with extract of n-HA/PA66 ,and direct contact with n-HA/PA66.To determine light absorbtion value of every hole under 500 nm with enzyme linked immunity instrument after 1 d,2 d,4 d,and 7 d of contact of n-HA/PA66 extract with L929 cells,and direct contact with n-HA/PA66.In the meanwhile calculate the relative multiplication rate of cells,and evaluate them by six degree tests for cytotoxicity. To investigate the acute and chronic toxic reaction on the whole body induced by the new nano-hydroapatite crystals and polyamide composite(n-HA/PA66)after implanting in vivo and its effects on partial constitution of animal organs after implanting in vivo,and evaluate the potential and degree of subcuticular stimulation reaction.
本实验主要由以下三部分组成:一、n-HA/PA66 复合材料在动物体内、体外的生物相容性及生物安全性评价二、n-HA/PA66 复合材料植入动物体内的生物活性及近期对机体钙、磷代谢影响的实验研究三、网孔 n-HA/PA66 复合材料作为支架修复兔桡骨节段缺损的动物实验研究主要研究目标及方法如下:参照 GB/T16886.5-1997-ISO 10993-5:1992《医疗器械生物学评价细胞毒性试验体外法》之评价标准和要求,采用规定的 L929 细胞(小鼠结缔组织成纤维细胞),分别经直接接触和材料浸提液与细胞共培养等方式对 n-HA/PA66 复合材料进行细胞毒性测试,采用细胞形态观察法观察两种细胞各组在 24h、48h、72h、5 天后各时相点的细胞形态学变化,并在显微镜下照相,从而对细胞与材料的生物相容性进行定性评价;同时采用细胞生长抑制法,以酶标仪定量测定评价各组 1,2,4,7 天 L929 细胞的相对增殖率,以定量测定并判别材料对细胞的毒性程度。
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Inputs and Outputs Front Panel: Phones: Standard headphone output jack (gold-plated) Video 4: Gold-plated stereo RCA jacks, gold-plated RCA composite video jack and S-video jack Digital Optical 3 Input: Standard Toslink digital input with a plastic protective plug Digital Coax 3 Input: Standard gold-plated coaxial digital jack Back Panel: AM Loop Antenna Input: Two thumb screw connections FM 75-ohm Antenna input: Threaded "F" type connector Tape Input/Output: Stereo RCA jacks Video 3 Input: Stereo RCA jacks, RCA composite video jack and S-video jack Video 2 Input/Output: Stereo RCA jacks, RCA composite video jacks and S-video jacks Video 1 Input/Output: Stereo RCA jacks, RCA composite video jacks and S-video jacks DVD Input: Stereo RCA jacks, RCA composite video jack, and S-video jack CD Input: Stereo RCA jacks Monitor Output: RCA composite video jack and S-video jack Subwoofer Preamp Output: 1 RCA jack Digital Optical 1 Input: Standard Toslink digital input with a plastic protective plug Digital Optical 2 Input: Standard Toslink digital input with a plastic protective plug Digital Coax 1 Input: Standard coaxial digital jack Digital Coax 2 Input: Standard coaxial digital jack Digital Optical Output: Standard Toslink digital output with a plastic protective plug Digital Coax Output: Standard coaxial digital jack Remote Control In/Out Jacks: One mini-jack input and one mini-jack output Speaker Outputs: Binding post outputs for front left, front right, surround left, surround right, and center speakers (posts are not 5-way binding posts, because each post has a plastic collar that prevents used with spade lugs and the posts are too far apart to use dual banana plugs) AC Outlets: One unswitched AC outlet and one switched AC outlet
投入和产出接待小组:电话:标准耳机输出插孔视频4 :镀金立体声RCA插孔,镀金的RCA复合视频插孔和S - Video插孔数字光学3输入:标准Toslink数字输入与一个塑料保护插头数字同轴3输入:标准镀金同轴数字接口背板:上午环形天线输入:两个拇指螺丝连接调频75欧姆天线输入:线程的& F &型连接器,磁带输入/输出:立体声RCA插孔视频3输入:立体声RCA插孔,插孔的RCA复合视频和S - Video插孔视频2输入/输出:立体声RCA插孔,莲花复合视频插孔和S - Video插孔视频1输入/输出:立体声RCA插孔,插孔的RCA复合视频和S端子接口的DVD输入:立体声RCA插孔,插孔的RCA复合视频和S -视频CD输入端插孔:立体声RCA插孔监视器输出:复合视频的RCA插孔和S - Video插孔低音前置输出: 1的RCA插孔数字光1输入:标准Toslink数字输入与一个塑料保护插头数字光2输入:标准Toslink数字输入与一个塑料保护插头数字同轴输入1 :标准同轴数字接口数字同轴2输入:同轴数字接口标准数字光输出:标准Toslink数字输出塑料防护插件数字同轴输出:标准同轴数字接口远程控制在/输出插孔:一个迷你插孔输入和1个小型插孔输出扬声器输出:结合后产出的左前方,右前方,左环绕,右环绕和中心发言(职位不是5个具有约束力的方式,因为每个职位有一个塑料环,可以防止使用铁锹派和职位过于遥远使用双香蕉插头)交流插座:一个unswitched AC插座和一个开关AC电源插座
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Then on the basis of comparative analysis on Central Composite Design which including Central Composite Circumscribed design,Central Composite Inscribed design and Central Composite Face-centered design in RSM, the paper proposes methods concerning how to choose experiment design of combined array.
本文针对RSM的中心复合设计——外切中心复合设计、嵌套中心复合设计和面心立方设计进行了比较评价,并给出了结合表实验设计的选择方法。
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封,遮光,置阴凉干燥处。