试验
- 与 试验 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The method of orthogonal design is applied in the DOE, and the experiments are simulated. The results are analyzed with the analysis of regression to study the effect of the drive and fuel economy performance by the factor of drive train parameters.
对动力传动系统参数进行试验方案设计,对试验方案进行动力性和基于循环工况的燃油经济性模拟计算,采用回归分析的方法对试验结果进行处理,研究了试验因子及其交互对试验指标的影响,并对参数进行了预测和优化。
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In handling these problems, integrated test design and evaluation technology is studied in this thesis,the purpose of which is to reduce repetitiveness of test in the developing phase,guarantee quality of test data,make full use of various test i.
针对我国武器装备在其全寿命周期内经历的工作阶段多、各阶段技术状态各不相同但具有一定的继承性、而各阶段特别是全系统现场试验量较少的特点,分析了目前小子样试验方法存在的不足,提出了武器装备综合试验与鉴定的技术框架,重点介绍了支撑该技术框架的综合试验设计方法、小子样多状态试验数据融合处理方法以及战技指标综合评定方法的研究进展,指出了需要进一步研究和解决的问题
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The mechanical behavior of Shape Memory Alloys material is tested, and the constitutive model of the SMA is established. A kind of SMA combined rubber isolator is developed, and the isolation effect of the SMA combined rubber isolator for long-span bridge and tall building structures is numerically simulated, from which the adaptive isolation performance and the self-restoring capacity of the SMA combined rubber isolator are verified. A kind of SMA damper is developed, the mechanical behavior of the SMA damper is tested, and the model of restoring force of the SMA damper is established. The theory and method of adaptive control based on the SMA damper for the long-span bridge are built, and the effectiveness and reliability of the adaptive control for the long-span bridge using the SMA damper are verified through numerical simulation and model test. The MRF-04K type magnetorheological damper is developed, the mechanical behavior of the MR damper is tested, and the model of restoring force of the MR damper is established. The theory and method of adaptive control based on the MR damper for the long-span bridge and tall building structures are built, and the effectiveness and reliability of the adaptive control for the long-span bridge and tall building structures using the MR damper are verified through numerical simulation and model test. In addition, the theory and method of sub-structural damage identification for long-span bridge are derived, the influence of soil-structure dynamic interaction on the seismic isolation and control effects with different isolation and control measures and the damage responses and the sliding base-isolation of large structures under the excitation of underground explosion are investigated.
试验研究了形状记忆合金材料的力学性能,建立了SMA材料的本构模型;研制了一种SMA复合橡胶隔震支座,数值仿真分析了应用SMA复合橡胶支座的大跨桥梁和高层建筑结构的隔震效果,从而验证了SMA复合橡胶支座的自适应隔震性能及其震后自恢复能力;研制了一种SMA阻尼器,试验研究了SMA阻尼器的力学性能,建立了SMA阻尼器的恢复力模型,建立了基于SMA阻尼器的大跨桥梁结构自适应控制理论与方法,通过数值仿真与模型试验验证了大跨桥梁结构SMA阻尼器自适应控制的有效性与可靠性;研制了一种MRF-04K型磁流变阻尼器,试验研究了MR阻尼器的力学性能,建立了MR阻尼器的恢复力模型,建立了基于MR阻尼器的大跨桥梁和高层建筑结构的自适应控制理论与方法,通过数值仿真和模型试验验证了大跨桥梁和高层建筑结构MR阻尼器自适应控制的有效性与可靠性;还建立了大跨桥梁结构的子结构损伤识别的理论与方法,研究了土-结构动力相互作用对不同隔震和控制措施的减震控制效果的影响以及地下爆炸波作用下各类大型结构的灾害响应与滑移隔震。
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In this thesis, I summarize the theoretical calculation method, applied scope and notice of siphonic drainage system, and point out the advantage of siphonic drainage system compared with gravitation drainage system. In the archetype experiment study of siphonic drainage tube, I adopt different tube diameter and different structural height to survey the drainage volume and press in different place. I observe various kinds of flow state, and get chief factors which influence hydraulic peculiarity of system as the tube diameter or structural height, and find out the relevance of factor to flux. I apply CFD Fluent software and adopt standard k-ε model and RNG k-ε model, then use finite volume method and second-order upwind scheme to discrete numerical model, while coupling numeration of velocity field and press is based on SIMPLE. In the numerical simulation of curved part of tube, siphonic drainage tube experiment system and multi-outlet siphonic drainage system, I make research on internal velocity and press of system in different project condition by changing the tube diameter of curved part, negative press value in tube export and improving the quantity of water gutter. This thesis first adopts a method of combining archetype experiment and numerical simulation to study the siphonic drainage system, test and verify the validity of experiment and numerical simulation, and makefurther study on system, it solves the problems of limited testing conditions, and has a logical results, it can provide a valid method for optimizing and designing the drainage tube-net system. The conclusion have referring value for study and design of siphonic drainage system.
本文首先对虹吸式排水系统理论计算方法、适用范围以及注意事项做出总结,并分析了虹吸式排水系统的优势;再对虹吸式排水管道进行原型试验研究,采用不同管径不同立管高度,对系统流量、管道压强进行量测,观察了各种工况下的流态,对其水力特性进行研究分析,找出影响水力特性的落差、管径主要因素以及与排水量的关系;进一步应用计算流体力学Fluent软件,采用标准κ-ε模型与RNGκ-ε模型,计算过程应用有限体积法和二阶迎风格式对数值模型进行离散,速度和压力的耦合采用SIMPLE算法,分别对系统弯管段、虹吸排水管道试验系统、多斗虹吸式排水系统进行数值模拟分析,通过改变管段弯头处半径、管段出口负压值、增加雨水斗数对不同工况下系统内部的速度和压力进行研究;本文首次采用结合原型试验与数值模拟相结合的方法,对虹吸式屋面雨水排水系统进行研究,试验与模拟相互验证,并进行拓展,很好地解决了虹吸式屋面雨水排水系统由于试验条件限制问题,结果正确合理,为排水管网系统设计和优化研究提供了有效的方法,对工程设计有较好的参考价值。
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The result of the test didn't charge even if two different installed methods of the clamp plates in pressure test of the regular strength packaging container,according to systematic and rendom error analysis of the result of the test.
压力试验机的上压板采用不同的安装方式,对相同的包装容器进行压力试验,通过对试验结果的系统误差分析和随机误差分析,认为对强度均匀的包装容器的压力试验,上压板的两种安装方式对试验结果无影响。
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The dynamic measuring method of alignment parameters based on the Satisfaction Criterion Model is presented in this paper. Using the quadratic regression crosscut combination method to organize the experiment, the mapping relationship between side force of slippage and camber angle and toe-in of the testing vehicles is obtained by regressing the experiment data. In this experiment, side force and slippage are testing objects, camber and toe-in value are testing factors.
本文提出了基于满意准则数学模型的车轮定位参数智能化动态测量方法,运用二次回归正交组合设计方法组织和安排试验,以车轮外倾角和前束值作为试验因素,侧向力和侧滑量作为试验目标,通过对试验数据的回归处理得到了试验车辆的侧滑量或侧滑量同车轮外倾角以及前束值之间的映射关系。
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Morphological and physiological identification showed that NTG-01 was Gram-negative, short rod shape, with flagella around the bacteria, V-P test positive and Methyl red test negative. The bacterium can use glucose as carbon suource and produce gases. No H2S produced on TTS medium. Lysine decarboxylase and orthinine decarboxylase, catalase and gelatine test are positive. Arginine decarboxylase, dehydrolase, oxidase and urase test are negative. Sequencing and alignment of 16S rDNA showed that it shared a 99% homologous sequence with Enterobacter aerogenes.
结果显示菌株NTG-01为细菌,革兰氏染色阴性,短杆状,鞭毛周生,V-P试验阳性,甲基红实验阴性,利用葡萄糖产酸产气,不能在TIS培养基上产生H_2S,赖氨酸和鸟氨酸脱羧酶试验呈阳性,精氨酸脱羧酶和双水解酶试验呈阴性,氧化酶和脲酶试验阴性,接触酶和明胶液化试验阳性,但后者反应迟缓,一周后才观测到结果。
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Results Positive rate of Amsel was 28%, one step sialidase was 34%, Gram-stain was 30% and amines was 24%. Using Amsel as criterion, the sensitivity of one step sialidase and amines was 92.9% and 71.4%; specificity was 88.9% and 94.4%; positive predictive value was 76.5% and 83.3% negative predictive value was 97% and 89.5%, using Gram-stain method as criterion, the sensitivity of one step sialidase and amines was 93.8% and 66.7%, specificity was 92.1% and 94.3%, positive predictive value was 83.3% and 83.3%, negative predictive value was 97.2% and 86.8% respectively.
Amsel法阳性率28%,组织多胺试验阳性率24%,一步法唾液酸酶活性的检测试验阳性率34%,革兰染色细菌评分法阳性率30%;唾液酸酶活性检测法与Amsel法,革兰染色细菌评分法相比较差异无显著性;组织多胺试验与Amsel法,革兰染色细菌评分法相比较差异无显著性;以Amsel法为标准,一步法唾液酸酶活性检测法和组织多胺试验的灵敏度分别为92.9%和71.4%,特异性分别为88.9%和94.4%,阳性预期值分别为76.5%和83.3%,阴性预期值分别为97.0%和89.5%;以革兰染色细菌评分法为标准,一步法唾液酸酶活性检测法和组织多胺试验的灵敏度分别为93.8%和66.7%,特异性分别为92.1%和94.3%,阳性预期值都为83.3%,阴性预期值分别为97.2%和86.8%。
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There was no cross-reaction of the prepared raw antigen with the positive sera from dogs infected respectively with Ancylostoma caninum,Toxocara canis and Demodex canis and the highest titer of the positive serum from dogs infected with D.immitis was 1∶1024 detected by the dot-ELISA,which had good reproducibi-lity.
为快速诊断犬恶丝虫病,建立了犬恶丝虫抗体dot-ELISA检测方法,并与阻断试验、交叉反应试验、重复性试验、琼脂扩散试验和平行对照试验进行了比较。
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The subject of this study is mainly to investigate the effect of improving the property of common asphaltic mixture when an appropriate amount of waste rubber powders are added on resisting low temperature cracking with the split cylinder test, the little beam bending test, the bhringkage test and unconfined compressive stress test of laboratory-compacted specimens.
本研究主要应用劈裂试验,小梁弯曲试验,收缩试验和无侧限抗压试验考察了在普通沥青混合料中掺适量废胶粉后对低温抗裂性能的改善效果。试验结果表明:掺3—5%的废胶粉,可以降低沥青混凝土的低温弹性模最和增大其变形均达1—3倍,玻璃化转变温度也比普通沥青乱凝土的低10℃以上。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。